ref: d513d743fb5d9802e2d39d74a13f5628c1553059
parent: 6c98e344f395b3d1a285885a8be88c0685a346b2
author: Koen Vos <koen.vos@skype.net>
date: Wed Nov 10 08:36:21 EST 2010
SILK update
--- a/Makefile.am
+++ b/Makefile.am
@@ -29,7 +29,7 @@
src_common/SKP_Silk_decode_parameters.c \
src_common/SKP_Silk_decode_pulses.c \
src_common/SKP_Silk_decoder_set_fs.c \
-src_common/SKP_Silk_dec_SDK_API.c \
+src_common/SKP_Silk_dec_API.c \
src_common/SKP_Silk_detect_SWB_input.c \
src_common/SKP_Silk_enc_API.c \
src_common/SKP_Silk_encode_parameters.c \
@@ -58,6 +58,7 @@
src_common/SKP_Silk_tables_sign.c \
src_common/SKP_Silk_tables_type_offset.c \
src_common/SKP_Silk_VAD.c \
+src_common/SKP_Silk_control_audio_bandwidth.c \
src_FLP/SKP_Silk_apply_sine_window_FLP.c \
src_FLP/SKP_Silk_control_codec_FLP.c \
src_FLP/SKP_Silk_corrMatrix_FLP.c \
--- a/interface/SKP_Silk_SDK_API.h
+++ b/interface/SKP_Silk_SDK_API.h
@@ -83,11 +83,11 @@
/**************************/
SKP_int SKP_Silk_SDK_Encode( /* O: Returns error code */
void *encState, /* I/O: State */
- const SKP_SILK_SDK_EncControlStruct *encControl, /* I: Control status */
+ SKP_SILK_SDK_EncControlStruct *encControl, /* I: Control status */
const SKP_int16 *samplesIn, /* I: Speech sample input vector */
SKP_int nSamplesIn, /* I: Number of samples in input vector */
ec_enc *psRangeEnc, /* I/O Compressor data structure */
- SKP_int16 *nBytesOut /* I/O: Number of bytes in payload (input: Max bytes) */
+ SKP_int32 *nBytesOut /* I/O: Number of bytes in payload (input: Max bytes) */
);
/****************************************/
@@ -118,7 +118,7 @@
ec_dec *psRangeDec, /* I/O Compressor data structure */
const SKP_int nBytesIn, /* I: Number of input bytes */
SKP_int16 *samplesOut, /* O: Decoded output speech vector */
- SKP_int16 *nSamplesOut /* I/O: Number of samples (vector/decoded) */
+ SKP_int32 *nSamplesOut /* I/O: Number of samples (vector/decoded) */
);
/***************************************************************/
@@ -129,7 +129,7 @@
const SKP_int16 nBytesIn, /* I: Number of input bytes */
SKP_int lost_offset, /* I: Offset from lost packet */
SKP_uint8 *LBRRData, /* O: LBRR payload */
- SKP_int16 *nLBRRBytes /* O: Number of LBRR Bytes */
+ SKP_int32 *nLBRRBytes /* O: Number of LBRR Bytes */
);
/**************************************/
--- a/interface/SKP_Silk_control.h
+++ b/interface/SKP_Silk_control.h
@@ -39,15 +39,18 @@
/* Structure for controlling encoder operation */
/***********************************************/
typedef struct {
- /* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000 */
+ /* I: Input signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
SKP_int32 API_sampleRate;
/* I: Maximum internal sampling rate in Hertz; 8000/12000/16000/24000 */
SKP_int32 maxInternalSampleRate;
- /* I: Number of samples per packet; must be equivalent of 20, 40, 60, 80 or 100 ms */
- SKP_int packetSize;
+ /* I: Minimum internal sampling rate in Hertz; 8000/12000/16000/24000 */
+ SKP_int32 minInternalSampleRate;
+ /* I: Number of samples per packet in milliseconds; 10/20/40/60 */
+ SKP_int payloadSize_ms;
+
/* I: Bitrate during active speech in bits/second; internally limited */
SKP_int32 bitRate;
@@ -62,6 +65,12 @@
/* I: Flag to enable discontinuous transmission (DTX); 0/1 */
SKP_int useDTX;
+
+ /* I: Flag to use constant bitrate */
+ SKP_int useCBR;
+
+ /* O: Internal sampling rate used, in Hertz; 8000/12000/16000/24000 */
+ SKP_int32 internalSampleRate;
} SKP_SILK_SDK_EncControlStruct;
/**************************************************************************/
@@ -68,14 +77,20 @@
/* Structure for controlling decoder operation and reading decoder status */
/**************************************************************************/
typedef struct {
- /* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000 */
+ /* I: Output signal sampling rate in Hertz; 8000/12000/16000/24000/32000/44100/48000 */
SKP_int32 API_sampleRate;
+ /* I: Number of samples per packet in milliseconds; 10/20/40/60 */
+ SKP_int payloadSize_ms;
+
+ /* I: Internal sampling rate used, in Hertz; 8000/12000/16000/24000 */
+ SKP_int32 internalSampleRate;
+
/* O: Number of samples per frame */
SKP_int frameSize;
- /* O: Frames per packet 1, 2, 3, 4, 5 */
- SKP_int framesPerPacket;
+ /* O: Frames per payload 1, 2, 3 */
+ SKP_int framesPerPayload;
/* O: Flag to indicate that the decoder has remaining payloads internally */
SKP_int moreInternalDecoderFrames;
--- a/interface/SKP_Silk_errors.h
+++ b/interface/SKP_Silk_errors.h
@@ -43,31 +43,34 @@
/**************************/
/* Input length is not a multiplum of 10 ms, or length is longer than the packet length */
-#define SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES -1
+#define SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES -101
/* Sampling frequency not 8000, 12000, 16000 or 24000 Hertz */
-#define SKP_SILK_ENC_FS_NOT_SUPPORTED -2
+#define SKP_SILK_ENC_FS_NOT_SUPPORTED -102
/* Packet size not 20, 40, 60, 80 or 100 ms */
-#define SKP_SILK_ENC_PACKET_SIZE_NOT_SUPPORTED -3
+#define SKP_SILK_ENC_PACKET_SIZE_NOT_SUPPORTED -103
/* Allocated payload buffer too short */
-#define SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT -4
+#define SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT -104
/* Loss rate not between 0 and 100 percent */
-#define SKP_SILK_ENC_INVALID_LOSS_RATE -5
+#define SKP_SILK_ENC_INVALID_LOSS_RATE -105
/* Complexity setting not valid, use 0, 1 or 2 */
-#define SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING -6
+#define SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING -106
/* Inband FEC setting not valid, use 0 or 1 */
-#define SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING -7
+#define SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING -107
/* DTX setting not valid, use 0 or 1 */
-#define SKP_SILK_ENC_INVALID_DTX_SETTING -8
+#define SKP_SILK_ENC_INVALID_DTX_SETTING -108
+/* CBR setting not valid, use 0 or 1 */
+#define SKP_SILK_ENC_INVALID_CBR_SETTING -109
+
/* Internal encoder error */
-#define SKP_SILK_ENC_INTERNAL_ERROR -9
+#define SKP_SILK_ENC_INTERNAL_ERROR -110
/**************************/
/* Decoder error messages */
@@ -74,13 +77,16 @@
/**************************/
/* Output sampling frequency lower than internal decoded sampling frequency */
-#define SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY -10
+#define SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY -200
/* Payload size exceeded the maximum allowed 1024 bytes */
-#define SKP_SILK_DEC_PAYLOAD_TOO_LARGE -11
+#define SKP_SILK_DEC_PAYLOAD_TOO_LARGE -201
/* Payload has bit errors */
-#define SKP_SILK_DEC_PAYLOAD_ERROR -12
+#define SKP_SILK_DEC_PAYLOAD_ERROR -202
+
+/* Payload has bit errors */
+#define SKP_SILK_DEC_INVALID_FRAME_SIZE -203
#ifdef __cplusplus
}
--- a/src_FIX/SKP_Silk_HP_variable_cutoff_FIX.c
+++ b/src_FIX/SKP_Silk_HP_variable_cutoff_FIX.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
#if HIGH_PASS_INPUT
@@ -57,7 +58,7 @@
quality_Q15 = psEncCtrl->input_quality_bands_Q15[ 0 ];
pitch_freq_log_Q7 = SKP_SUB32( pitch_freq_log_Q7, SKP_SMULWB( SKP_SMULWB( SKP_LSHIFT( quality_Q15, 2 ), quality_Q15 ),
pitch_freq_log_Q7 - SKP_LOG2_VARIABLE_HP_MIN_FREQ_Q7 ) );
- pitch_freq_log_Q7 = SKP_ADD32( pitch_freq_log_Q7, SKP_RSHIFT( 19661 - quality_Q15, 9 ) ); // 19661_Q15 = 0.6_Q0
+ pitch_freq_log_Q7 = SKP_ADD32( pitch_freq_log_Q7, SKP_RSHIFT( SKP_FIX_CONST( 0.6, 15 ) - quality_Q15, 9 ) );
//delta_freq = pitch_freq_log - psEnc->variable_HP_smth1;
delta_freq_Q7 = pitch_freq_log_Q7 - SKP_RSHIFT( psEnc->variable_HP_smth1_Q15, 8 );
@@ -67,21 +68,22 @@
}
/* limit delta, to reduce impact of outliers */
- delta_freq_Q7 = SKP_LIMIT_32( delta_freq_Q7, -VARIABLE_HP_MAX_DELTA_FREQ_Q7, VARIABLE_HP_MAX_DELTA_FREQ_Q7 );
+ delta_freq_Q7 = SKP_LIMIT_32( delta_freq_Q7, -SKP_FIX_CONST( VARIABLE_HP_MAX_DELTA_FREQ, 7 ), SKP_FIX_CONST( VARIABLE_HP_MAX_DELTA_FREQ, 7 ) );
/* update smoother */
psEnc->variable_HP_smth1_Q15 = SKP_SMLAWB( psEnc->variable_HP_smth1_Q15,
- SKP_MUL( SKP_LSHIFT( psEnc->speech_activity_Q8, 1 ), delta_freq_Q7 ), VARIABLE_HP_SMTH_COEF1_Q16 );
+ SKP_MUL( SKP_LSHIFT( psEnc->speech_activity_Q8, 1 ), delta_freq_Q7 ), SKP_FIX_CONST( VARIABLE_HP_SMTH_COEF1, 16 ) );
}
/* second smoother */
psEnc->variable_HP_smth2_Q15 = SKP_SMLAWB( psEnc->variable_HP_smth2_Q15,
- psEnc->variable_HP_smth1_Q15 - psEnc->variable_HP_smth2_Q15, VARIABLE_HP_SMTH_COEF2_Q16 );
+ psEnc->variable_HP_smth1_Q15 - psEnc->variable_HP_smth2_Q15, SKP_FIX_CONST( VARIABLE_HP_SMTH_COEF2, 16 ) );
/* convert from log scale to Hertz */
- psEncCtrl->pitch_freq_low_Hz = SKP_Silk_log2lin( SKP_RSHIFT( psEnc->variable_HP_smth2_Q15, 8 ) ); //pow( 2.0, psEnc->variable_HP_smth2 );
+ psEncCtrl->pitch_freq_low_Hz = SKP_Silk_log2lin( SKP_RSHIFT( psEnc->variable_HP_smth2_Q15, 8 ) );
/* limit frequency range */
- psEncCtrl->pitch_freq_low_Hz = SKP_LIMIT_32( psEncCtrl->pitch_freq_low_Hz, VARIABLE_HP_MIN_FREQ_Q0, VARIABLE_HP_MAX_FREQ_Q0 );
+ psEncCtrl->pitch_freq_low_Hz = SKP_LIMIT_32( psEncCtrl->pitch_freq_low_Hz,
+ SKP_FIX_CONST( VARIABLE_HP_MIN_FREQ, 0 ), SKP_FIX_CONST( VARIABLE_HP_MAX_FREQ, 0 ) );
/********************************/
/* Compute Filter Coefficients */
@@ -94,7 +96,7 @@
SKP_assert( Fc_Q19 >= 3704 );
SKP_assert( Fc_Q19 <= 27787 );
- r_Q28 = ( 1 << 28 ) - SKP_MUL( 471, Fc_Q19 ); // 471_Q9 = 0.92_Q0, range: 255347779 to 266690872, 27-28 bits
+ r_Q28 = SKP_FIX_CONST( 1.0, 28 ) - SKP_MUL( SKP_FIX_CONST( 0.92, 9 ), Fc_Q19 );
SKP_assert( r_Q28 >= 255347779 );
SKP_assert( r_Q28 <= 266690872 );
@@ -106,7 +108,7 @@
// -r * ( 2 - Fc * Fc );
r_Q22 = SKP_RSHIFT( r_Q28, 6 );
- A_Q28[ 0 ] = SKP_SMULWW( r_Q22, SKP_SMULWW( Fc_Q19, Fc_Q19 ) - ( 2 << 22 ) );
+ A_Q28[ 0 ] = SKP_SMULWW( r_Q22, SKP_SMULWW( Fc_Q19, Fc_Q19 ) - SKP_FIX_CONST( 2.0, 22 ) );
A_Q28[ 1 ] = SKP_SMULWW( r_Q22, r_Q22 );
/********************************/
--- a/src_FIX/SKP_Silk_LTP_scale_ctrl_FIX.c
+++ b/src_FIX/SKP_Silk_LTP_scale_ctrl_FIX.c
@@ -52,7 +52,7 @@
/* combine input and filtered input */
g_out_Q5 = SKP_RSHIFT_ROUND( SKP_RSHIFT( psEncCtrl->LTPredCodGain_Q7, 1 ) + SKP_RSHIFT( psEnc->HPLTPredCodGain_Q7, 1 ), 3 );
- g_limit_Q15 = SKP_Silk_sigm_Q15( g_out_Q5 - ( 3 << 5 ) ); /* mulitplid with 0.5 */
+ g_limit_Q15 = SKP_Silk_sigm_Q15( g_out_Q5 - ( 3 << 5 ) );
/* Default is minimum scaling */
psEncCtrl->sCmn.LTP_scaleIndex = 0;
--- a/src_FIX/SKP_Silk_NLSF_MSVQ_encode_FIX.c
+++ b/src_FIX/SKP_Silk_NLSF_MSVQ_encode_FIX.c
@@ -43,9 +43,8 @@
const SKP_int deactivate_fluc_red /* I Deactivate fluctuation reduction */
)
{
- SKP_int i, s, k, cur_survivors = 0, prev_survivors, input_index, cb_index, bestIndex;
+ SKP_int i, s, k, cur_survivors = 0, prev_survivors, min_survivors, input_index, cb_index, bestIndex;
SKP_int32 rateDistThreshold_Q18;
- SKP_int pNLSF_in_Q15[ MAX_LPC_ORDER ];
#if( NLSF_MSVQ_FLUCTUATION_REDUCTION == 1 )
SKP_int32 se_Q15, wsse_Q20, bestRateDist_Q20;
#endif
@@ -72,7 +71,7 @@
const SKP_int *pConstInt;
SKP_int *pInt;
- const SKP_int16 *pCB_element;
+ const SKP_int8 *pCB_element;
const SKP_Silk_NLSF_CBS *pCurrentCBStage;
SKP_assert( NLSF_MSVQ_Survivors <= MAX_NLSF_MSVQ_SURVIVORS );
@@ -85,10 +84,6 @@
DEBUG_STORE_DATA( NLSF_mu.dat, &NLSF_mu_Q15, sizeof( SKP_int32 ) );
#endif
-
- /* Copy the input vector */
- SKP_memcpy( pNLSF_in_Q15, pNLSF_Q15, LPC_order * sizeof( SKP_int ) );
-
/****************************************************/
/* Tree search for the multi-stage vector quantizer */
/****************************************************/
@@ -95,15 +90,18 @@
/* Clear accumulated rates */
SKP_memset( pRate_Q5, 0, NLSF_MSVQ_Survivors * sizeof( SKP_int32 ) );
-
- /* Copy NLSFs into residual signal vector */
+
+ /* Subtract 1/2 from NLSF input vector to create initial residual */
for( i = 0; i < LPC_order; i++ ) {
- pRes_Q15[ i ] = pNLSF_Q15[ i ];
+ pRes_Q15[ i ] = pNLSF_Q15[ i ] - SKP_FIX_CONST( 0.5f, 15 );
}
/* Set first stage values */
prev_survivors = 1;
+ /* Minimum number of survivors */
+ min_survivors = NLSF_MSVQ_Survivors / 2;
+
/* Loop over all stages */
for( s = 0; s < psNLSF_CB->nStages; s++ ) {
@@ -130,9 +128,10 @@
prev_survivors * pCurrentCBStage->nVectors, cur_survivors );
/* Discard survivors with rate-distortion values too far above the best one */
- if( pRateDist_Q18[ 0 ] < SKP_int32_MAX / NLSF_MSVQ_SURV_MAX_REL_RD ) {
- rateDistThreshold_Q18 = SKP_MUL( NLSF_MSVQ_SURV_MAX_REL_RD, pRateDist_Q18[ 0 ] );
- while( pRateDist_Q18[ cur_survivors - 1 ] > rateDistThreshold_Q18 && cur_survivors > 1 ) {
+ if( pRateDist_Q18[ 0 ] < SKP_int32_MAX / MAX_NLSF_MSVQ_SURVIVORS ) {
+ rateDistThreshold_Q18 = SKP_SMLAWB( pRateDist_Q18[ 0 ],
+ SKP_MUL( NLSF_MSVQ_Survivors, pRateDist_Q18[ 0 ] ), SKP_FIX_CONST( NLSF_MSVQ_SURV_MAX_REL_RD, 16 ) );
+ while( pRateDist_Q18[ cur_survivors - 1 ] > rateDistThreshold_Q18 && cur_survivors > min_survivors ) {
cur_survivors--;
}
}
@@ -155,14 +154,14 @@
/* Subtract new contribution from the previous residual vector for each of 'cur_survivors' */
pConstInt = &pRes_Q15[ SKP_SMULBB( input_index, LPC_order ) ];
- pCB_element = &pCurrentCBStage->CB_NLSF_Q15[ SKP_SMULBB( cb_index, LPC_order ) ];
+ pCB_element = &pCurrentCBStage->CB_NLSF_Q8[ SKP_SMULBB( cb_index, LPC_order ) ];
pInt = &pRes_new_Q15[ SKP_SMULBB( k, LPC_order ) ];
for( i = 0; i < LPC_order; i++ ) {
- pInt[ i ] = pConstInt[ i ] - ( SKP_int )pCB_element[ i ];
+ pInt[ i ] = pConstInt[ i ] - SKP_LSHIFT16( ( SKP_int )pCB_element[ i ], 7 );
}
/* Update accumulated rate for stage 1 to the current */
- pRate_new_Q5[ k ] = pRate_Q5[ input_index ] + pCurrentCBStage->Rates_Q5[ cb_index ];
+ pRate_new_Q5[ k ] = pRate_Q5[ input_index ] + SKP_LSHIFT32( ( SKP_int32 )pCurrentCBStage->Rates_Q4[ cb_index ], 1 );
/* Copy paths from previous matrix, starting with the best path */
pConstInt = &pPath[ SKP_SMULBB( input_index, psNLSF_CB->nStages ) ];
--- a/src_FIX/SKP_Silk_NLSF_VQ_rate_distortion_FIX.c
+++ b/src_FIX/SKP_Silk_NLSF_VQ_rate_distortion_FIX.c
@@ -43,7 +43,7 @@
SKP_int32 *pRD_vec_Q20;
/* Compute weighted quantization errors for all input vectors over one codebook stage */
- SKP_Silk_NLSF_VQ_sum_error_FIX( pRD_Q20, in_Q15, w_Q6, psNLSF_CBS->CB_NLSF_Q15,
+ SKP_Silk_NLSF_VQ_sum_error_FIX( pRD_Q20, in_Q15, w_Q6, psNLSF_CBS->CB_NLSF_Q8,
N, psNLSF_CBS->nVectors, LPC_order );
/* Loop over input vectors */
@@ -51,9 +51,9 @@
for( n = 0; n < N; n++ ) {
/* Add rate cost to error for each codebook vector */
for( i = 0; i < psNLSF_CBS->nVectors; i++ ) {
- SKP_assert( rate_acc_Q5[ n ] + psNLSF_CBS->Rates_Q5[ i ] >= 0 );
- SKP_assert( rate_acc_Q5[ n ] + psNLSF_CBS->Rates_Q5[ i ] <= SKP_int16_MAX );
- pRD_vec_Q20[ i ] = SKP_SMLABB( pRD_vec_Q20[ i ], rate_acc_Q5[ n ] + psNLSF_CBS->Rates_Q5[ i ], mu_Q15 );
+ SKP_assert( rate_acc_Q5[ n ] + SKP_LSHIFT32( ( SKP_int32 )psNLSF_CBS->Rates_Q4[ i ], 1 ) >= 0 );
+ SKP_assert( rate_acc_Q5[ n ] + SKP_LSHIFT32( ( SKP_int32 )psNLSF_CBS->Rates_Q4[ i ], 1 ) <= SKP_int16_MAX );
+ pRD_vec_Q20[ i ] = SKP_SMLABB( pRD_vec_Q20[ i ], rate_acc_Q5[ n ] + SKP_LSHIFT32( ( SKP_int32 )psNLSF_CBS->Rates_Q4[ i ], 1 ), mu_Q15 );
SKP_assert( pRD_vec_Q20[ i ] >= 0 );
}
pRD_vec_Q20 += psNLSF_CBS->nVectors;
--- a/src_FIX/SKP_Silk_NLSF_VQ_sum_error_FIX.c
+++ b/src_FIX/SKP_Silk_NLSF_VQ_sum_error_FIX.c
@@ -32,16 +32,16 @@
SKP_int32 *err_Q20, /* O Weighted quantization errors [N*K] */
const SKP_int *in_Q15, /* I Input vectors to be quantized [N*LPC_order] */
const SKP_int *w_Q6, /* I Weighting vectors [N*LPC_order] */
- const SKP_int16 *pCB_Q15, /* I Codebook vectors [K*LPC_order] */
+ const SKP_int8 *pCB_Q8, /* I Codebook vectors [K*LPC_order] */
const SKP_int N, /* I Number of input vectors */
const SKP_int K, /* I Number of codebook vectors */
const SKP_int LPC_order /* I Number of LPCs */
)
{
- SKP_int i, n, m;
- SKP_int32 diff_Q15, sum_error, Wtmp_Q6;
- SKP_int32 Wcpy_Q6[ MAX_LPC_ORDER / 2 ];
- const SKP_int16 *cb_vec_Q15;
+ SKP_int i, n, m;
+ SKP_int32 diff_Q15, sum_error, Wtmp_Q6;
+ SKP_int32 Wcpy_Q6[ MAX_LPC_ORDER / 2 ];
+ const SKP_int8 *cb_vec_Q8;
SKP_assert( LPC_order <= 16 );
SKP_assert( ( LPC_order & 1 ) == 0 );
@@ -54,7 +54,7 @@
/* Loop over input vectors */
for( n = 0; n < N; n++ ) {
/* Loop over codebook */
- cb_vec_Q15 = pCB_Q15;
+ cb_vec_Q8 = pCB_Q8;
for( i = 0; i < K; i++ ) {
sum_error = 0;
for( m = 0; m < LPC_order; m += 2 ) {
@@ -62,11 +62,11 @@
Wtmp_Q6 = Wcpy_Q6[ SKP_RSHIFT( m, 1 ) ];
/* Compute weighted squared quantization error for index m */
- diff_Q15 = in_Q15[ m ] - *cb_vec_Q15++; // range: [ -32767 : 32767 ]
+ diff_Q15 = in_Q15[ m ] - SKP_LSHIFT16( ( SKP_int )( *cb_vec_Q8++ ), 7 ); // range: [ -32767 : 32767 ]
sum_error = SKP_SMLAWB( sum_error, SKP_SMULBB( diff_Q15, diff_Q15 ), Wtmp_Q6 );
/* Compute weighted squared quantization error for index m + 1 */
- diff_Q15 = in_Q15[m + 1] - *cb_vec_Q15++; // range: [ -32767 : 32767 ]
+ diff_Q15 = in_Q15[m + 1] - SKP_LSHIFT16( ( SKP_int )( *cb_vec_Q8++ ), 7 ); // range: [ -32767 : 32767 ]
sum_error = SKP_SMLAWT( sum_error, SKP_SMULBB( diff_Q15, diff_Q15 ), Wtmp_Q6 );
}
SKP_assert( sum_error >= 0 );
--- a/src_FIX/SKP_Silk_control_codec_FIX.c
+++ b/src_FIX/SKP_Silk_control_codec_FIX.c
@@ -26,30 +26,25 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_setup_complexity.h"
/* ToDo: Move the functions belowto common to be able to use them in FLP control codec also */
SKP_INLINE SKP_int SKP_Silk_setup_resamplers(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int API_fs_Hz, /* I */
SKP_int fs_kHz /* I */
);
SKP_INLINE SKP_int SKP_Silk_setup_packetsize(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int PacketSize_ms, /* I */
- SKP_int fs_kHz /* I */
+ SKP_int PacketSize_ms /* I */
);
SKP_INLINE SKP_int SKP_Silk_setup_fs(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int fs_kHz /* I */
+ SKP_int fs_kHz, /* I */
+ SKP_int PacketSize_ms /* I */
);
-SKP_INLINE SKP_int SKP_Silk_setup_complexity(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int Complexity /* I */
-);
-
SKP_INLINE SKP_int SKP_Silk_setup_rate(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
SKP_int TargetRate_bps /* I */
@@ -56,142 +51,49 @@
);
SKP_INLINE SKP_int SKP_Silk_setup_LBRR(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int INBandFEC_enabled /* I */
+ SKP_Silk_encoder_state_FIX *psEnc /* I/O */
);
/* Control encoder SNR */
SKP_int SKP_Silk_control_encoder_FIX(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk encoder state */
- const SKP_int32 API_fs_Hz, /* I External (API) sampling rate (Hz) */
- const SKP_int max_internal_fs_kHz,/* I Maximum internal sampling rate (kHz) */
- const SKP_int PacketSize_ms, /* I Packet length (ms) */
- SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) (used if SNR_dB == 0) */
- const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
- const SKP_int INBandFEC_enabled, /* I Enable (1) / disable (0) inband FEC */
- const SKP_int DTX_enabled, /* I Enable / disable DTX */
- const SKP_int InputFramesize_ms, /* I Inputframe in ms */
- const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
+ SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk encoder state */
+ const SKP_int PacketSize_ms, /* I Packet length (ms) */
+ const SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) */
+ const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
+ const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
)
{
SKP_int fs_kHz, ret = 0;
- /* State machine for the SWB/WB switching */
- fs_kHz = psEnc->sCmn.fs_kHz;
-
- /* Only switch during low speech activity, when no frames are sitting in the payload buffer */
- if( API_fs_Hz == 8000 || fs_kHz == 0 || API_fs_Hz < SKP_SMULBB( fs_kHz, 1000 ) || fs_kHz > max_internal_fs_kHz ) {
- /* Switching is not possible, encoder just initialized, internal mode higher than external, */
- /* or internal mode higher than maximum allowed internal mode */
- fs_kHz = SKP_min( SKP_DIV32_16( API_fs_Hz, 1000 ), max_internal_fs_kHz );
- } else {
- /* Accumulate the difference between the target rate and limit for switching down */
- psEnc->sCmn.bitrateDiff += SKP_MUL( InputFramesize_ms, TargetRate_bps - psEnc->sCmn.bitrate_threshold_down );
- psEnc->sCmn.bitrateDiff = SKP_min( psEnc->sCmn.bitrateDiff, 0 );
-
- if( psEnc->speech_activity_Q8 < 128 && psEnc->sCmn.nFramesInPayloadBuf == 0 ) { /* Low speech activity and payload buffer empty */
- /* Check if we should switch down */
-#if SWITCH_TRANSITION_FILTERING
- if( ( psEnc->sCmn.sLP.transition_frame_no == 0 ) && /* Transition phase not active */
- ( psEnc->sCmn.bitrateDiff <= -ACCUM_BITS_DIFF_THRESHOLD || /* Bitrate threshold is met */
- ( psEnc->sCmn.sSWBdetect.WB_detected * psEnc->sCmn.fs_kHz == 24 ) ) ) { /* Forced down-switching due to WB input */
- psEnc->sCmn.sLP.transition_frame_no = 1; /* Begin transition phase */
- psEnc->sCmn.sLP.mode = 0; /* Switch down */
- } else if(
- ( psEnc->sCmn.sLP.transition_frame_no >= TRANSITION_FRAMES_DOWN ) && /* Transition phase complete */
- ( psEnc->sCmn.sLP.mode == 0 ) ) { /* Ready to switch down */
- psEnc->sCmn.sLP.transition_frame_no = 0; /* Ready for new transition phase */
-#else
- if( psEnc->sCmn.bitrateDiff <= -ACCUM_BITS_DIFF_THRESHOLD ) { /* Bitrate threshold is met */
-#endif
- psEnc->sCmn.bitrateDiff = 0;
-
- /* Switch to a lower sample frequency */
- if( psEnc->sCmn.fs_kHz == 24 ) {
- fs_kHz = 16;
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- fs_kHz = 12;
- } else {
- SKP_assert( psEnc->sCmn.fs_kHz == 12 );
- fs_kHz = 8;
- }
- }
-
- /* Check if we should switch up */
- if( ( ( SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 ) < API_fs_Hz ) &&
- ( TargetRate_bps >= psEnc->sCmn.bitrate_threshold_up ) &&
- ( psEnc->sCmn.sSWBdetect.WB_detected * psEnc->sCmn.fs_kHz != 16 ) ) &&
- ( ( psEnc->sCmn.fs_kHz == 16 ) && ( max_internal_fs_kHz >= 24 ) ||
- ( psEnc->sCmn.fs_kHz == 12 ) && ( max_internal_fs_kHz >= 16 ) ||
- ( psEnc->sCmn.fs_kHz == 8 ) && ( max_internal_fs_kHz >= 12 ) )
-#if SWITCH_TRANSITION_FILTERING
- && ( psEnc->sCmn.sLP.transition_frame_no == 0 ) ) { /* No transition phase running, ready to switch */
- psEnc->sCmn.sLP.mode = 1; /* Switch up */
-#else
- ) {
-#endif
- psEnc->sCmn.bitrateDiff = 0;
-
- /* Switch to a higher sample frequency */
- if( psEnc->sCmn.fs_kHz == 8 ) {
- fs_kHz = 12;
- } else if( psEnc->sCmn.fs_kHz == 12 ) {
- fs_kHz = 16;
- } else {
- SKP_assert( psEnc->sCmn.fs_kHz == 16 );
- fs_kHz = 24;
- }
- }
+ if( psEnc->sCmn.controlled_since_last_payload != 0 ) {
+ if( psEnc->sCmn.API_fs_Hz != psEnc->sCmn.prev_API_fs_Hz && psEnc->sCmn.fs_kHz > 0 ) {
+ /* Change in API sampling rate in the middle of encoding a packet */
+ ret += SKP_Silk_setup_resamplers( psEnc, psEnc->sCmn.fs_kHz );
}
- }
-
-#if SWITCH_TRANSITION_FILTERING
- /* After switching up, stop transition filter during speech inactivity */
- if( ( psEnc->sCmn.sLP.mode == 1 ) &&
- ( psEnc->sCmn.sLP.transition_frame_no >= TRANSITION_FRAMES_UP ) &&
- ( psEnc->speech_activity_Q8 < 128 ) &&
- ( psEnc->sCmn.nFramesInPayloadBuf == 0 ) ) {
-
- psEnc->sCmn.sLP.transition_frame_no = 0;
-
- /* Reset transition filter state */
- SKP_memset( psEnc->sCmn.sLP.In_LP_State, 0, 2 * sizeof( SKP_int32 ) );
+ return ret;
}
-#endif
-#ifdef FORCE_FS_KHZ
- SKP_assert( FORCE_FS_KHZ == 8 || FORCE_FS_KHZ == 12 || FORCE_FS_KHZ == 16 || FORCE_FS_KHZ == 24 );
- if( psEnc->sCmn.fs_kHz != 0 ) {
- /* Force except during init */
- fs_kHz = FORCE_FS_KHZ;
- }
-#endif
+ /* Beyond this point we know that there are no previously coded frames in the payload buffer */
-#ifdef SAVE_ALL_INTERNAL_DATA
- DEBUG_STORE_DATA( bitrate.dat, &TargetRate_bps, 1 * sizeof( SKP_int32 ) );
- DEBUG_STORE_DATA( fs.dat, &fs_kHz, 1 * sizeof( SKP_int32 ) );
- DEBUG_STORE_DATA( diff.dat, &psEnc->sCmn.bitrateDiff, 1 * sizeof( SKP_int32 ) );
- DEBUG_STORE_DATA( lashape.dat, &psEnc->sCmn.la_shape, 1 * sizeof( SKP_int32 ) );
-#endif
/********************************************/
- /* Prepare resampler and buffered data */
+ /* Determine internal sampling rate */
/********************************************/
- SKP_Silk_setup_resamplers( psEnc, API_fs_Hz, fs_kHz );
+ fs_kHz = SKP_Silk_control_audio_bandwidth( &psEnc->sCmn, TargetRate_bps );
/********************************************/
- /* Set packet size */
+ /* Prepare resampler and buffered data */
/********************************************/
- ret += SKP_Silk_setup_packetsize( psEnc, PacketSize_ms, fs_kHz );
+ ret += SKP_Silk_setup_resamplers( psEnc, fs_kHz );
/********************************************/
/* Set internal sampling frequency */
/********************************************/
- ret += SKP_Silk_setup_fs( psEnc, fs_kHz );
+ ret += SKP_Silk_setup_fs( psEnc, fs_kHz, PacketSize_ms );
/********************************************/
/* Set encoding complexity */
/********************************************/
- ret += SKP_Silk_setup_complexity( psEnc, Complexity );
+ ret += SKP_Silk_setup_complexity( &psEnc->sCmn, Complexity );
/********************************************/
/* Set bitrate/coding quality */
@@ -209,15 +111,9 @@
/********************************************/
/* Set LBRR usage */
/********************************************/
- ret += SKP_Silk_setup_LBRR( psEnc, INBandFEC_enabled );
+ ret += SKP_Silk_setup_LBRR( psEnc );
- /********************************************/
- /* Set DTX mode */
- /********************************************/
- if( DTX_enabled < 0 || DTX_enabled > 1 ) {
- ret = SKP_SILK_ENC_INVALID_DTX_SETTING;
- }
- psEnc->sCmn.useDTX = DTX_enabled;
+ psEnc->sCmn.controlled_since_last_payload = 1;
return ret;
}
@@ -225,7 +121,7 @@
/* Control low bitrate redundancy usage */
void SKP_Silk_LBRR_ctrl_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O encoder state */
- SKP_Silk_encoder_control_FIX *psEncCtrl /* I/O encoder control */
+ SKP_Silk_encoder_control *psEncCtrlC /* I/O encoder control */
)
{
SKP_int LBRR_usage;
@@ -236,19 +132,18 @@
/* Usage Control based on sensitivity and packet loss caracteristics */
/* For now only enable adding to next for active frames. Make more complex later */
LBRR_usage = SKP_SILK_NO_LBRR;
- if( psEnc->speech_activity_Q8 > LBRR_SPEECH_ACTIVITY_THRES_Q8 && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) { // nb! maybe multiply loss prob and speech activity
- LBRR_usage = SKP_SILK_ADD_LBRR_TO_PLUS1;
+ if( psEnc->speech_activity_Q8 > SKP_FIX_CONST( LBRR_SPEECH_ACTIVITY_THRES, 8 ) && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) {
+ LBRR_usage = SKP_SILK_LBRR;
}
- psEncCtrl->sCmn.LBRR_usage = LBRR_usage;
+ psEncCtrlC->LBRR_usage = LBRR_usage;
} else {
- psEncCtrl->sCmn.LBRR_usage = SKP_SILK_NO_LBRR;
+ psEncCtrlC->LBRR_usage = SKP_SILK_NO_LBRR;
}
}
SKP_INLINE SKP_int SKP_Silk_setup_packetsize(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int PacketSize_ms, /* I */
- SKP_int fs_kHz /* I */
+ SKP_int PacketSize_ms /* I */
)
{
SKP_int ret = SKP_SILK_NO_ERROR;
@@ -255,89 +150,92 @@
if( ( PacketSize_ms != 10 ) &&
( PacketSize_ms != 20 ) &&
( PacketSize_ms != 40 ) &&
- ( PacketSize_ms != 60 ) &&
- ( PacketSize_ms != 80 ) &&
- ( PacketSize_ms != 100 ) ) {
+ ( PacketSize_ms != 60 ) ) {
ret = SKP_SILK_ENC_PACKET_SIZE_NOT_SUPPORTED;
} else {
if( PacketSize_ms != psEnc->sCmn.PacketSize_ms ) {
if( PacketSize_ms == 10 ) {
- if( psEnc->sCmn.nFramesInPayloadBuf == 0 ) {
- /* Only allowed when the payload buffer is empty */
- psEnc->sCmn.nb_subfr = MAX_NB_SUBFR >> 1;
- psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
- psEnc->sCmn.PacketSize_ms = PacketSize_ms;
- psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, fs_kHz );
- /* Packet length changes. Reset LBRR buffer */
- SKP_Silk_LBRR_reset( &psEnc->sCmn );
- }
+ /* Only allowed when the payload buffer is empty */
+ psEnc->sCmn.nb_subfr = MAX_NB_SUBFR >> 1;
+ psEnc->sCmn.PacketSize_ms = PacketSize_ms;
+ psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, psEnc->sCmn.fs_kHz );
+ /* Packet length changes. Reset LBRR buffer */
+ SKP_Silk_LBRR_reset( &psEnc->sCmn );
} else{
- psEnc->sCmn.nb_subfr = MAX_NB_SUBFR;
- psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
+ psEnc->sCmn.nb_subfr = MAX_NB_SUBFR;
psEnc->sCmn.PacketSize_ms = PacketSize_ms;
- psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS, fs_kHz );
+ psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS, psEnc->sCmn.fs_kHz );
/* Packet length changes. Reset LBRR buffer */
SKP_Silk_LBRR_reset( &psEnc->sCmn );
}
}
+ psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
}
+
return(ret);
}
SKP_INLINE SKP_int SKP_Silk_setup_resamplers(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int API_fs_Hz, /* I */
SKP_int fs_kHz /* I */
)
{
SKP_int ret = SKP_SILK_NO_ERROR;
- if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != API_fs_Hz ) {
+ if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != psEnc->sCmn.API_fs_Hz ) {
- /* Allocate space for worst case temporary upsampling, 8 to 48 kHz, so a factor 6 */
- SKP_int16 x_buf_API_fs_Hz[ ( MAX_API_FS_KHZ / 8 ) * ( 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ) ];
+ if( psEnc->sCmn.fs_kHz == 0 ) {
+ /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */
+ ret += SKP_Silk_resampler_init( &psEnc->sCmn.resampler_state, psEnc->sCmn.API_fs_Hz, fs_kHz * 1000 );
+ } else {
+ /* Allocate space for worst case temporary upsampling, 8 to 48 kHz, so a factor 6 */
+ SKP_int16 x_buf_API_fs_Hz[ ( 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ) * ( MAX_API_FS_KHZ / 8 ) ];
- SKP_int32 nSamples_temp = SKP_LSHIFT( psEnc->sCmn.frame_length, 1 ) + psEnc->sCmn.la_shape;
+ SKP_int32 nSamples_temp = SKP_LSHIFT( psEnc->sCmn.frame_length, 1 ) + LA_SHAPE_MS * psEnc->sCmn.fs_kHz;
- if( SKP_SMULBB( fs_kHz, 1000 ) < API_fs_Hz && psEnc->sCmn.fs_kHz != 0 ) {
- /* Resample buffered data in x_buf to API_fs_Hz */
+ if( SKP_SMULBB( fs_kHz, 1000 ) < psEnc->sCmn.API_fs_Hz && psEnc->sCmn.fs_kHz != 0 ) {
+ /* Resample buffered data in x_buf to API_fs_Hz */
- SKP_Silk_resampler_state_struct temp_resampler_state;
+ SKP_Silk_resampler_state_struct temp_resampler_state;
- /* Initialize resampler for temporary resampling of x_buf data to API_fs_Hz */
- ret += SKP_Silk_resampler_init( &temp_resampler_state, SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 ), API_fs_Hz );
+ /* Initialize resampler for temporary resampling of x_buf data to API_fs_Hz */
+ ret += SKP_Silk_resampler_init( &temp_resampler_state, SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 ), psEnc->sCmn.API_fs_Hz );
- /* Temporary resampling of x_buf data to API_fs_Hz */
- ret += SKP_Silk_resampler( &temp_resampler_state, x_buf_API_fs_Hz, psEnc->x_buf, nSamples_temp );
+ /* Temporary resampling of x_buf data to API_fs_Hz */
+ ret += SKP_Silk_resampler( &temp_resampler_state, x_buf_API_fs_Hz, psEnc->x_buf, nSamples_temp );
- /* Calculate number of samples that has been temporarily upsampled */
- nSamples_temp = SKP_DIV32_16( nSamples_temp * API_fs_Hz, SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 ) );
+ /* Calculate number of samples that has been temporarily upsampled */
+ nSamples_temp = SKP_DIV32_16( nSamples_temp * psEnc->sCmn.API_fs_Hz, SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 ) );
- /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */
- ret += SKP_Silk_resampler_init( &psEnc->sCmn.resampler_state, API_fs_Hz, SKP_SMULBB( fs_kHz, 1000 ) );
+ /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */
+ ret += SKP_Silk_resampler_init( &psEnc->sCmn.resampler_state, psEnc->sCmn.API_fs_Hz, SKP_SMULBB( fs_kHz, 1000 ) );
- } else {
- /* Copy data */
- SKP_memcpy( x_buf_API_fs_Hz, psEnc->x_buf, nSamples_temp * sizeof( SKP_int16 ) );
- }
+ } else {
+ /* Copy data */
+ SKP_memcpy( x_buf_API_fs_Hz, psEnc->x_buf, nSamples_temp * sizeof( SKP_int16 ) );
+ }
- if( 1000 * fs_kHz != API_fs_Hz ) {
- /* Correct resampler state (unless resampling by a factor 1) by resampling buffered data from API_fs_Hz to fs_kHz */
- ret += SKP_Silk_resampler( &psEnc->sCmn.resampler_state, psEnc->x_buf, x_buf_API_fs_Hz, nSamples_temp );
+ if( 1000 * fs_kHz != psEnc->sCmn.API_fs_Hz ) {
+ /* Correct resampler state (unless resampling by a factor 1) by resampling buffered data from API_fs_Hz to fs_kHz */
+ ret += SKP_Silk_resampler( &psEnc->sCmn.resampler_state, psEnc->x_buf, x_buf_API_fs_Hz, nSamples_temp );
+ }
}
}
- psEnc->sCmn.prev_API_fs_Hz = API_fs_Hz;
-
+
+ psEnc->sCmn.prev_API_fs_Hz = psEnc->sCmn.API_fs_Hz;
+
return(ret);
}
SKP_INLINE SKP_int SKP_Silk_setup_fs(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int fs_kHz /* I */
+ SKP_int fs_kHz, /* I */
+ SKP_int PacketSize_ms /* I */
)
{
- SKP_int ret = 0;
+ SKP_int ret = SKP_SILK_NO_ERROR;
+ /* Set internal sampling frequency */
if( psEnc->sCmn.fs_kHz != fs_kHz ) {
/* reset part of the state */
SKP_memset( &psEnc->sShape, 0, sizeof( SKP_Silk_shape_state_FIX ) );
@@ -374,6 +272,7 @@
psEnc->sNSQ.lagPrev = 100;
psEnc->sNSQ.prev_inv_gain_Q16 = 65536;
psEnc->sNSQ_LBRR.prev_inv_gain_Q16 = 65536;
+
psEnc->sCmn.fs_kHz = fs_kHz;
if( psEnc->sCmn.fs_kHz == 8 ) {
psEnc->sCmn.predictLPCOrder = MIN_LPC_ORDER;
@@ -385,10 +284,8 @@
psEnc->sCmn.psNLSF_CB[ 1 ] = &SKP_Silk_NLSF_CB1_16;
}
psEnc->sCmn.subfr_length = SKP_SMULBB( SUB_FRAME_LENGTH_MS, fs_kHz );
- psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
psEnc->sCmn.ltp_mem_length = SKP_SMULBB( LTP_MEM_LENGTH_MS, fs_kHz );
psEnc->sCmn.la_pitch = SKP_SMULBB( LA_PITCH_MS, fs_kHz );
- psEnc->sCmn.la_shape = SKP_SMULBB( LA_SHAPE_MS, fs_kHz );
psEnc->sPred.min_pitch_lag = SKP_SMULBB( 3, fs_kHz );
psEnc->sPred.max_pitch_lag = SKP_SMULBB( 18, fs_kHz );
if( psEnc->sCmn.nb_subfr == MAX_NB_SUBFR ){
@@ -397,87 +294,33 @@
psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, fs_kHz );
}
if( psEnc->sCmn.fs_kHz == 24 ) {
- psEnc->mu_LTP_Q8 = MU_LTP_QUANT_SWB_Q8;
+ psEnc->mu_LTP_Q8 = SKP_FIX_CONST( MU_LTP_QUANT_SWB, 8 );
psEnc->sCmn.bitrate_threshold_up = SKP_int32_MAX;
psEnc->sCmn.bitrate_threshold_down = SWB2WB_BITRATE_BPS;
} else if( psEnc->sCmn.fs_kHz == 16 ) {
- psEnc->mu_LTP_Q8 = MU_LTP_QUANT_WB_Q8;
+ psEnc->mu_LTP_Q8 = SKP_FIX_CONST( MU_LTP_QUANT_WB, 8 );
psEnc->sCmn.bitrate_threshold_up = WB2SWB_BITRATE_BPS;
psEnc->sCmn.bitrate_threshold_down = WB2MB_BITRATE_BPS;
} else if( psEnc->sCmn.fs_kHz == 12 ) {
- psEnc->mu_LTP_Q8 = MU_LTP_QUANT_MB_Q8;
+ psEnc->mu_LTP_Q8 = SKP_FIX_CONST( MU_LTP_QUANT_MB, 8 );
psEnc->sCmn.bitrate_threshold_up = MB2WB_BITRATE_BPS;
psEnc->sCmn.bitrate_threshold_down = MB2NB_BITRATE_BPS;
} else {
- psEnc->mu_LTP_Q8 = MU_LTP_QUANT_NB_Q8;
+ psEnc->mu_LTP_Q8 = SKP_FIX_CONST( MU_LTP_QUANT_NB, 8 );
psEnc->sCmn.bitrate_threshold_up = NB2MB_BITRATE_BPS;
psEnc->sCmn.bitrate_threshold_down = 0;
}
psEnc->sCmn.fs_kHz_changed = 1;
-
- /* Check that settings are valid */
- SKP_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->sCmn.frame_length );
}
- return( ret );
-}
-SKP_INLINE SKP_int SKP_Silk_setup_complexity(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int Complexity /* I */
-)
-{
- SKP_int ret = 0;
+ /********************************************/
+ /* Set packet size */
+ /********************************************/
+ ret += SKP_Silk_setup_packetsize( psEnc, PacketSize_ms );
/* Check that settings are valid */
- if( LOW_COMPLEXITY_ONLY && Complexity != 0 ) {
- ret = SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING;
- }
-
- /* Set encoding complexity */
- if( Complexity == 0 || LOW_COMPLEXITY_ONLY ) {
- /* Low complexity */
- psEnc->sCmn.Complexity = 0;
- psEnc->sCmn.pitchEstimationComplexity = PITCH_EST_COMPLEXITY_LC_MODE;
- psEnc->pitchEstimationThreshold_Q16 = FIND_PITCH_CORRELATION_THRESHOLD_Q16_LC_MODE;
- psEnc->sCmn.pitchEstimationLPCOrder = 8;
- psEnc->sCmn.shapingLPCOrder = 8;
- psEnc->sCmn.nStatesDelayedDecision = 1;
- psEnc->sCmn.useInterpolatedNLSFs = 0;
- psEnc->sCmn.LTPQuantLowComplexity = 1;
- psEnc->sCmn.NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS_LC_MODE;
- } else if( Complexity == 1 ) {
- /* Medium complexity */
- psEnc->sCmn.Complexity = 1;
- psEnc->sCmn.pitchEstimationComplexity = PITCH_EST_COMPLEXITY_MC_MODE;
- psEnc->pitchEstimationThreshold_Q16 = FIND_PITCH_CORRELATION_THRESHOLD_Q16_MC_MODE;
- psEnc->sCmn.pitchEstimationLPCOrder = 12;
- psEnc->sCmn.shapingLPCOrder = 12;
- psEnc->sCmn.nStatesDelayedDecision = 2;
- psEnc->sCmn.useInterpolatedNLSFs = 0;
- psEnc->sCmn.LTPQuantLowComplexity = 0;
- psEnc->sCmn.NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS_MC_MODE;
- } else if( Complexity == 2 ) {
- /* High complexity */
- psEnc->sCmn.Complexity = 2;
- psEnc->sCmn.pitchEstimationComplexity = PITCH_EST_COMPLEXITY_HC_MODE;
- psEnc->pitchEstimationThreshold_Q16 = FIND_PITCH_CORRELATION_THRESHOLD_Q16_HC_MODE;
- psEnc->sCmn.pitchEstimationLPCOrder = 16;
- psEnc->sCmn.shapingLPCOrder = 16;
- psEnc->sCmn.nStatesDelayedDecision = 4;
- psEnc->sCmn.useInterpolatedNLSFs = 1;
- psEnc->sCmn.LTPQuantLowComplexity = 0;
- psEnc->sCmn.NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS;
- } else {
- ret = SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING;
- }
-
- /* Do not allow higher pitch estimation LPC order than predict LPC order */
- psEnc->sCmn.pitchEstimationLPCOrder = SKP_min_int( psEnc->sCmn.pitchEstimationLPCOrder, psEnc->sCmn.predictLPCOrder );
-
- SKP_assert( psEnc->sCmn.pitchEstimationLPCOrder <= MAX_FIND_PITCH_LPC_ORDER );
- SKP_assert( psEnc->sCmn.shapingLPCOrder <= MAX_SHAPE_LPC_ORDER );
- SKP_assert( psEnc->sCmn.nStatesDelayedDecision <= MAX_DEL_DEC_STATES );
-
+ SKP_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->sCmn.frame_length );
+
return( ret );
}
@@ -490,16 +333,7 @@
SKP_int32 frac_Q6;
const SKP_int32 *rateTable;
- TargetRate_bps = SKP_min( TargetRate_bps, 100000 );
- if( psEnc->sCmn.fs_kHz == 8 ) {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_NB_BPS );
- } else if( psEnc->sCmn.fs_kHz == 12 ) {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_MB_BPS );
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_WB_BPS );
- } else {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_SWB_BPS );
- }
+ /* Set bitrate/coding quality */
if( TargetRate_bps != psEnc->sCmn.TargetRate_bps ) {
psEnc->sCmn.TargetRate_bps = TargetRate_bps;
@@ -527,57 +361,53 @@
}
SKP_INLINE SKP_int SKP_Silk_setup_LBRR(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O */
- SKP_int INBandFEC_enabled /* I */
+ SKP_Silk_encoder_state_FIX *psEnc /* I/O */
)
{
- SKP_int ret = 0;
- SKP_int32 LBRRRate_thres_bps;
+ SKP_int ret = SKP_SILK_NO_ERROR;
#if USE_LBRR
- if( INBandFEC_enabled < 0 || INBandFEC_enabled > 1 ) {
+ SKP_int32 LBRRRate_thres_bps;
+
+ if( psEnc->sCmn.useInBandFEC < 0 || psEnc->sCmn.useInBandFEC > 1 ) {
ret = SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING;
}
- /* Only change settings if first frame in packet */
- if( psEnc->sCmn.nFramesInPayloadBuf == 0 ) {
-
- psEnc->sCmn.LBRR_enabled = INBandFEC_enabled;
- if( psEnc->sCmn.fs_kHz == 8 ) {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 9000;
- } else if( psEnc->sCmn.fs_kHz == 12 ) {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 6000;;
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 3000;
- } else {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS;
- }
+ psEnc->sCmn.LBRR_enabled = psEnc->sCmn.useInBandFEC;
+ if( psEnc->sCmn.fs_kHz == 8 ) {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 9000;
+ } else if( psEnc->sCmn.fs_kHz == 12 ) {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 6000;;
+ } else if( psEnc->sCmn.fs_kHz == 16 ) {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 3000;
+ } else {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS;
+ }
- if( psEnc->sCmn.TargetRate_bps >= LBRRRate_thres_bps ) {
- /* Set gain increase / rate reduction for LBRR usage */
- /* Coarsely tuned with PESQ for now. */
- /* Linear regression coefs G = 8 - 0.5 * loss */
- /* Meaning that at 16% loss main rate and redundant rate is the same, -> G = 0 */
- psEnc->sCmn.LBRR_GainIncreases = SKP_max_int( 8 - SKP_RSHIFT( psEnc->sCmn.PacketLoss_perc, 1 ), 0 );
+ if( psEnc->sCmn.TargetRate_bps >= LBRRRate_thres_bps ) {
+ /* Set gain increase / rate reduction for LBRR usage */
+ /* Coarsely tuned with PESQ for now. */
+ /* Linear regression coefs G = 8 - 0.5 * loss */
+ /* Meaning that at 16% loss main rate and redundant rate is the same, -> G = 0 */
+ psEnc->sCmn.LBRR_GainIncreases = SKP_max_int( 8 - SKP_RSHIFT( psEnc->sCmn.PacketLoss_perc, 1 ), 0 );
- /* Set main stream rate compensation */
- if( psEnc->sCmn.LBRR_enabled && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) {
- /* Tuned to give aprox same mean / weighted bitrate as no inband FEC */
- psEnc->inBandFEC_SNR_comp_Q8 = ( 6 << 8 ) - SKP_LSHIFT( psEnc->sCmn.LBRR_GainIncreases, 7 );
- } else {
- psEnc->inBandFEC_SNR_comp_Q8 = 0;
- psEnc->sCmn.LBRR_enabled = 0;
- }
+ /* Set main stream rate compensation */
+ if( psEnc->sCmn.LBRR_enabled && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) {
+ /* Tuned to give approx same mean / weighted bitrate as no inband FEC */
+ psEnc->inBandFEC_SNR_comp_Q8 = SKP_FIX_CONST( 6.0f, 8 ) - SKP_LSHIFT( psEnc->sCmn.LBRR_GainIncreases, 7 );
} else {
- psEnc->inBandFEC_SNR_comp_Q8 = 0;
- psEnc->sCmn.LBRR_enabled = 0;
+ psEnc->inBandFEC_SNR_comp_Q8 = 0;
+ psEnc->sCmn.LBRR_enabled = 0;
}
+ } else {
+ psEnc->inBandFEC_SNR_comp_Q8 = 0;
+ psEnc->sCmn.LBRR_enabled = 0;
}
#else
- if( INBandFEC_enabled != 0 ) {
+ if( psEnc->sCmn.LBRR_enabled != 0 ) {
ret = SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING;
+ psEnc->sCmn.LBRR_enabled = 0;
}
- psEnc->sCmn.LBRR_enabled = 0;
#endif
- return( ret );
-}
\ No newline at end of file
+ return ret;
+}
--- a/src_FIX/SKP_Silk_corrMatrix_FIX.c
+++ b/src_FIX/SKP_Silk_corrMatrix_FIX.c
@@ -72,6 +72,7 @@
const SKP_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */
const SKP_int L, /* I Length of vectors */
const SKP_int order, /* I Max lag for correlation */
+ const SKP_int head_room, /* I Desired headroom */
SKP_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ]*/
SKP_int *rshifts /* I/O Right shifts of correlations */
)
@@ -82,9 +83,8 @@
/* Calculate energy to find shift used to fit in 32 bits */
SKP_Silk_sum_sqr_shift( &energy, &rshifts_local, x, L + order - 1 );
- /* Add shifts to get the wanted head room */
-
- head_room_rshifts = SKP_max( LTP_CORRS_HEAD_ROOM - SKP_Silk_CLZ32( energy ), 0 );
+ /* Add shifts to get the desired head room */
+ head_room_rshifts = SKP_max( head_room - SKP_Silk_CLZ32( energy ), 0 );
energy = SKP_RSHIFT32( energy, head_room_rshifts );
rshifts_local += head_room_rshifts;
--- a/src_FIX/SKP_Silk_encode_frame_FIX.c
+++ b/src_FIX/SKP_Silk_encode_frame_FIX.c
@@ -26,16 +26,17 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
/****************/
/* Encode frame */
/****************/
SKP_int SKP_Silk_encode_frame_FIX(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */
- SKP_uint8 *pCode, /* O Pointer to payload */
- SKP_int16 *pnBytesOut, /* I/O Pointer to number of payload bytes */
- /* input: max length; output: used */
- const SKP_int16 *pIn /* I Pointer to input speech frame */
+ SKP_Silk_encoder_state_FIX *psEnc, /* I/O Encoder state FIX */
+ SKP_int32 *pnBytesOut, /* I/O Number of payload bytes */
+ /* input: max length; output: used */
+ ec_enc *psRangeEnc, /* I/O compressor data structure */
+ const SKP_int16 *pIn /* I Input speech frame */
)
{
SKP_Silk_encoder_control_FIX sEncCtrl;
@@ -44,29 +45,28 @@
SKP_int16 xfw[ MAX_FRAME_LENGTH ];
SKP_int16 pIn_HP[ MAX_FRAME_LENGTH ];
SKP_int16 res_pitch[ 2 * MAX_FRAME_LENGTH + LA_PITCH_MAX ];
- SKP_int LBRR_idx, frame_terminator;
+ SKP_int LBRR_idx, frame_terminator, SNR_dB_Q7;
const SKP_uint16 *FrameTermination_CDF;
/* Low bitrate redundancy parameters */
SKP_uint8 LBRRpayload[ MAX_ARITHM_BYTES ];
- SKP_int16 nBytesLBRR;
- ec_byte_buffer range_enc_celt_buf;
+ SKP_int32 nBytesLBRR;
- sEncCtrl.sCmn.Seed = psEnc->sCmn.frameCounter++ & 3;
-
TIC(ENCODE_FRAME)
+ sEncCtrl.sCmn.Seed = psEnc->sCmn.frameCounter++ & 3;
/**************************************************************/
/* Setup Input Pointers, and insert frame in input buffer */
/*************************************************************/
- x_frame = psEnc->x_buf + psEnc->sCmn.ltp_mem_length; /* start of frame to encode */
- res_pitch_frame = res_pitch + psEnc->sCmn.ltp_mem_length; /* start of pitch LPC residual frame */
+ /* pointers aligned with start of frame to encode */
+ x_frame = psEnc->x_buf + psEnc->sCmn.ltp_mem_length; /* start of frame to encode */
+ res_pitch_frame = res_pitch + psEnc->sCmn.ltp_mem_length; /* start of pitch LPC residual frame */
/****************************/
/* Voice Activity Detection */
/****************************/
TIC(VAD)
- ret = SKP_Silk_VAD_GetSA_Q8( &psEnc->sCmn.sVAD, &psEnc->speech_activity_Q8,
+ ret = SKP_Silk_VAD_GetSA_Q8( &psEnc->sCmn.sVAD, &psEnc->speech_activity_Q8, &SNR_dB_Q7,
sEncCtrl.input_quality_bands_Q15, &sEncCtrl.input_tilt_Q15,
pIn, psEnc->sCmn.frame_length, psEnc->sCmn.fs_kHz );
TOC(VAD)
@@ -79,15 +79,15 @@
/* Variable high-pass filter */
SKP_Silk_HP_variable_cutoff_FIX( psEnc, &sEncCtrl, pIn_HP, pIn );
#else
- SKP_memcpy( pIn_HP, pIn,psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
+ SKP_memcpy( pIn_HP, pIn, psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
#endif
TOC(HP_IN)
#if SWITCH_TRANSITION_FILTERING
/* Ensure smooth bandwidth transitions */
- SKP_Silk_LP_variable_cutoff( &psEnc->sCmn.sLP, x_frame + psEnc->sCmn.la_shape, pIn_HP, psEnc->sCmn.frame_length );
+ SKP_Silk_LP_variable_cutoff( &psEnc->sCmn.sLP, x_frame + LA_SHAPE_MS * psEnc->sCmn.fs_kHz, pIn_HP, psEnc->sCmn.frame_length );
#else
- SKP_memcpy( x_frame + psEnc->sCmn.la_shape, pIn_HP,psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
+ SKP_memcpy( x_frame + LA_SHAPE_MS * psEnc->sCmn.fs_kHz, pIn_HP,psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
#endif
/*****************************************/
@@ -124,7 +124,7 @@
TIC(PROCESS_GAINS)
SKP_Silk_process_gains_FIX( psEnc, &sEncCtrl );
TOC(PROCESS_GAINS)
-
+
psEnc->sCmn.sigtype[ psEnc->sCmn.nFramesInPayloadBuf ] = sEncCtrl.sCmn.sigtype;
psEnc->sCmn.QuantOffsetType[ psEnc->sCmn.nFramesInPayloadBuf ] = sEncCtrl.sCmn.QuantOffsetType;
@@ -140,17 +140,17 @@
/* Noise shaping quantization */
/*****************************************/
TIC(NSQ)
- if( psEnc->sCmn.nStatesDelayedDecision > 1 ) {
+ if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) {
SKP_Silk_NSQ_del_dec( &psEnc->sCmn, &sEncCtrl.sCmn, &psEnc->sNSQ, xfw,
- &psEnc->sCmn.q[ psEnc->sCmn.nFramesInPayloadBuf *psEnc->sCmn.frame_length ], sEncCtrl.sCmn.NLSFInterpCoef_Q2,
+ psEnc->sCmn.q, sEncCtrl.sCmn.NLSFInterpCoef_Q2,
sEncCtrl.PredCoef_Q12[ 0 ], sEncCtrl.LTPCoef_Q14, sEncCtrl.AR2_Q13, sEncCtrl.HarmShapeGain_Q14,
sEncCtrl.Tilt_Q14, sEncCtrl.LF_shp_Q14, sEncCtrl.Gains_Q16, sEncCtrl.Lambda_Q10,
sEncCtrl.LTP_scale_Q14 );
} else {
SKP_Silk_NSQ( &psEnc->sCmn, &sEncCtrl.sCmn, &psEnc->sNSQ, xfw,
- &psEnc->sCmn.q[ psEnc->sCmn.nFramesInPayloadBuf *psEnc->sCmn.frame_length ], sEncCtrl.sCmn.NLSFInterpCoef_Q2,
- sEncCtrl.PredCoef_Q12[ 0 ], sEncCtrl.LTPCoef_Q14, sEncCtrl.AR2_Q13, sEncCtrl.HarmShapeGain_Q14,
- sEncCtrl.Tilt_Q14, sEncCtrl.LF_shp_Q14, sEncCtrl.Gains_Q16, sEncCtrl.Lambda_Q10,
+ psEnc->sCmn.q, sEncCtrl.sCmn.NLSFInterpCoef_Q2,
+ sEncCtrl.PredCoef_Q12[ 0 ], sEncCtrl.LTPCoef_Q14, sEncCtrl.AR2_Q13, sEncCtrl.HarmShapeGain_Q14,
+ sEncCtrl.Tilt_Q14, sEncCtrl.LF_shp_Q14, sEncCtrl.Gains_Q16, sEncCtrl.Lambda_Q10,
sEncCtrl.LTP_scale_Q14 );
}
TOC(NSQ)
@@ -158,7 +158,7 @@
/**************************************************/
/* Convert speech activity into VAD and DTX flags */
/**************************************************/
- if( psEnc->speech_activity_Q8 < SPEECH_ACTIVITY_DTX_THRES_Q8 ) {
+ if( psEnc->speech_activity_Q8 < SKP_FIX_CONST( SPEECH_ACTIVITY_DTX_THRES, 8 ) ) {
psEnc->sCmn.vadFlag = NO_VOICE_ACTIVITY;
psEnc->sCmn.noSpeechCounter++;
if( psEnc->sCmn.noSpeechCounter > NO_SPEECH_FRAMES_BEFORE_DTX ) {
@@ -175,13 +175,9 @@
}
/****************************************/
- /* Initialize arithmetic coder */
+ /* Initialize range coder */
/****************************************/
if( psEnc->sCmn.nFramesInPayloadBuf == 0 ) {
- ec_byte_writeinit_buffer( &range_enc_celt_buf, psEnc->sCmn.sRC.buffer, MAX_ARITHM_BYTES );
- ec_enc_init( &psEnc->sCmn.sRC.range_enc_celt_state, &range_enc_celt_buf );
-
- SKP_Silk_range_enc_init( &psEnc->sCmn.sRC );
psEnc->sCmn.nBytesInPayloadBuf = 0;
}
@@ -189,23 +185,24 @@
/* Encode Parameters */
/****************************************/
TIC(ENCODE_PARAMS)
- SKP_Silk_encode_parameters_v4( &psEnc->sCmn, &sEncCtrl.sCmn, &psEnc->sCmn.sRC );
- FrameTermination_CDF = SKP_Silk_FrameTermination_v4_CDF;
+ SKP_Silk_encode_parameters( &psEnc->sCmn, &sEncCtrl.sCmn, psRangeEnc );
+ FrameTermination_CDF = SKP_Silk_FrameTermination_CDF;
TOC(ENCODE_PARAMS)
/****************************************/
/* Update Buffers and State */
/****************************************/
- /* Update Input buffer */
- SKP_memmove( psEnc->x_buf, &psEnc->x_buf[ psEnc->sCmn.frame_length ], ( psEnc->sCmn.ltp_mem_length + psEnc->sCmn.la_shape ) * sizeof( SKP_int16 ) );
+ /* Update input buffer */
+ SKP_memmove( psEnc->x_buf, &psEnc->x_buf[ psEnc->sCmn.frame_length ],
+ ( psEnc->sCmn.ltp_mem_length + LA_SHAPE_MS * psEnc->sCmn.fs_kHz ) * sizeof( SKP_int16 ) );
- /* parameters needed for next frame */
+ /* Parameters needed for next frame */
psEnc->sCmn.prev_sigtype = sEncCtrl.sCmn.sigtype;
- psEnc->sCmn.prevLag = sEncCtrl.sCmn.pitchL[ psEnc->sCmn.nb_subfr - 1 ];
+ psEnc->sCmn.prevLag = sEncCtrl.sCmn.pitchL[ psEnc->sCmn.nb_subfr - 1 ];
psEnc->sCmn.first_frame_after_reset = 0;
- if( psEnc->sCmn.sRC.error ) {
- /* encoder returned error: clear payload buffer */
+ if( 0 ) { //psEnc->sCmn.sRC.error ) {
+ /* Encoder returned error: clear payload buffer */
psEnc->sCmn.nFramesInPayloadBuf = 0;
} else {
psEnc->sCmn.nFramesInPayloadBuf++;
@@ -212,7 +209,7 @@
}
/****************************************/
- /* finalize payload and copy to output */
+ /* Finalize payload and copy to output */
/****************************************/
if( psEnc->sCmn.nFramesInPayloadBuf * SUB_FRAME_LENGTH_MS * psEnc->sCmn.nb_subfr >= psEnc->sCmn.PacketSize_ms ) {
@@ -219,32 +216,29 @@
LBRR_idx = ( psEnc->sCmn.oldest_LBRR_idx + 1 ) & LBRR_IDX_MASK;
/* Check if FEC information should be added */
- frame_terminator = SKP_SILK_LAST_FRAME;
- if( psEnc->sCmn.LBRR_buffer[ LBRR_idx ].usage == SKP_SILK_ADD_LBRR_TO_PLUS1 ) {
- frame_terminator = SKP_SILK_LBRR_VER1;
- }
- if( psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].usage == SKP_SILK_ADD_LBRR_TO_PLUS2 ) {
- frame_terminator = SKP_SILK_LBRR_VER2;
- LBRR_idx = psEnc->sCmn.oldest_LBRR_idx;
- }
+ //frame_terminator = psEnc->sCmn.LBRR_buffer[ LBRR_idx ].usage;
+ frame_terminator = SKP_SILK_NO_LBRR;
/* Add the frame termination info to stream */
- SKP_Silk_range_encoder( &psEnc->sCmn.sRC, frame_terminator, FrameTermination_CDF );
+ ec_encode_bin( psRangeEnc, FrameTermination_CDF[ frame_terminator ],
+ FrameTermination_CDF[ frame_terminator + 1 ], 16 );
/* Code excitation signal */
- for( i = 0; i <psEnc->sCmn.nFramesInPayloadBuf; i++ ) {
- SKP_Silk_encode_pulses( &psEnc->sCmn.sRC, psEnc->sCmn.sigtype[ i ],psEnc->sCmn.QuantOffsetType[ i ],
- &psEnc->sCmn.q[ i * psEnc->sCmn.frame_length],psEnc->sCmn.frame_length );
+ for( i = 0; i < psEnc->sCmn.nFramesInPayloadBuf; i++ ) {
+ SKP_Silk_encode_pulses( psRangeEnc, psEnc->sCmn.sigtype[ i ], psEnc->sCmn.QuantOffsetType[ i ],
+ &psEnc->sCmn.q[ i * psEnc->sCmn.frame_length ], psEnc->sCmn.frame_length );
}
- /* payload length so far */
- SKP_Silk_range_encoder_get_length( &psEnc->sCmn.sRC, &nBytes );
- /* check that there is enough space in external output buffer, and move data */
+ /* Payload length so far */
+ nBytes = SKP_RSHIFT( ec_enc_tell( psRangeEnc, 0 ) + 7, 3 );
+
+ /* Check that there is enough space in external output buffer, and move data */
if( *pnBytesOut >= nBytes ) {
- SKP_int bits_in_stream, mask;
- bits_in_stream = ec_enc_tell( &psEnc->sCmn.sRC.range_enc_celt_state, 0 );
- ec_enc_done( &psEnc->sCmn.sRC.range_enc_celt_state );
+ //SKP_int bits_in_stream, mask;
+ //bits_in_stream = ec_enc_tell( psRangeEnc, 0 );
+ //ec_enc_done( psRangeEnc );
+#if 0
/* Fill up any remaining bits in the last byte with 1s */
if( bits_in_stream & 7 ) {
mask = SKP_RSHIFT( 0xFF, bits_in_stream & 7 );
@@ -253,7 +247,9 @@
}
}
SKP_memcpy( pCode, psEnc->sCmn.sRC.range_enc_celt_state.buf->buf, nBytes * sizeof( SKP_uint8 ) );
+#endif
+#if 0
if( frame_terminator > SKP_SILK_MORE_FRAMES &&
*pnBytesOut >= nBytes + psEnc->sCmn.LBRR_buffer[ LBRR_idx ].nBytes ) {
/* Get old packet and add to payload. */
@@ -262,57 +258,53 @@
psEnc->sCmn.LBRR_buffer[ LBRR_idx ].nBytes * sizeof( SKP_uint8 ) );
nBytes += psEnc->sCmn.LBRR_buffer[ LBRR_idx ].nBytes;
}
-
+#endif
*pnBytesOut = nBytes;
-
+
/* Update FEC buffer */
SKP_memcpy( psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].payload, LBRRpayload,
nBytesLBRR * sizeof( SKP_uint8 ) );
psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].nBytes = nBytesLBRR;
- /* This line tells describes how FEC should be used */
+ /* The line below describes how FEC should be used */
psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].usage = sEncCtrl.sCmn.LBRR_usage;
psEnc->sCmn.oldest_LBRR_idx = ( psEnc->sCmn.oldest_LBRR_idx + 1 ) & LBRR_IDX_MASK;
- /* Reset number of frames in payload buffer */
- psEnc->sCmn.nFramesInPayloadBuf = 0;
} else {
/* Not enough space: Payload will be discarded */
*pnBytesOut = 0;
nBytes = 0;
- psEnc->sCmn.nFramesInPayloadBuf = 0;
ret = SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT;
}
+
+ /* Reset the number of frames in payload buffer */
+ psEnc->sCmn.nFramesInPayloadBuf = 0;
} else {
- /* no payload for you this time */
+ /* No payload this time */
*pnBytesOut = 0;
- /* Encode that more frames follows */
- frame_terminator = SKP_SILK_MORE_FRAMES;
- SKP_Silk_range_encoder( &psEnc->sCmn.sRC, frame_terminator, FrameTermination_CDF );
+ /* Payload length so far */
+ nBytes = SKP_RSHIFT( ec_enc_tell( psRangeEnc, 0 ) + 7, 3 );
- /* payload length so far */
- SKP_Silk_range_encoder_get_length( &psEnc->sCmn.sRC, &nBytes );
-
- /* Take into account the q signal that isnt in the bitstream yet */
- nBytes += SKP_Silk_pulses_to_bytes( &psEnc->sCmn,
- &psEnc->sCmn.q[ (psEnc->sCmn.nFramesInPayloadBuf - 1) * psEnc->sCmn.frame_length ] );
+ /* Take into account the q signal that isn't in the bitstream yet */
+ nBytes += SKP_Silk_pulses_to_bytes( &psEnc->sCmn,
+ &psEnc->sCmn.q[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ] );
}
/* Check for arithmetic coder errors */
- if( psEnc->sCmn.sRC.error ) {
+ if( 0 ) { //psEnc->sCmn.sRC.error ) {
ret = SKP_SILK_ENC_INTERNAL_ERROR;
}
- /* simulate number of ms buffered in channel because of exceeding TargetRate */
+ /* Simulate number of ms buffered in channel because of exceeding TargetRate */
SKP_assert( ( 8 * 1000 * ( (SKP_int64)nBytes - (SKP_int64)psEnc->sCmn.nBytesInPayloadBuf ) ) ==
SKP_SAT32( 8 * 1000 * ( (SKP_int64)nBytes - (SKP_int64)psEnc->sCmn.nBytesInPayloadBuf ) ) );
SKP_assert( psEnc->sCmn.TargetRate_bps > 0 );
- psEnc->BufferedInChannel_ms += SKP_DIV32( 8 * 1000 * ( nBytes -psEnc->sCmn.nBytesInPayloadBuf ),psEnc->sCmn.TargetRate_bps );
+ psEnc->BufferedInChannel_ms += SKP_DIV32( 8 * 1000 * ( nBytes - psEnc->sCmn.nBytesInPayloadBuf ), psEnc->sCmn.TargetRate_bps );
psEnc->BufferedInChannel_ms -= SKP_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr );
psEnc->BufferedInChannel_ms = SKP_LIMIT_int( psEnc->BufferedInChannel_ms, 0, 100 );
psEnc->sCmn.nBytesInPayloadBuf = nBytes;
- if( psEnc->speech_activity_Q8 > WB_DETECT_ACTIVE_SPEECH_LEVEL_THRES_Q8 ) {
+ if( psEnc->speech_activity_Q8 > SKP_FIX_CONST( WB_DETECT_ACTIVE_SPEECH_LEVEL_THRES, 8 ) ) {
psEnc->sCmn.sSWBdetect.ActiveSpeech_ms = SKP_ADD_POS_SAT32( psEnc->sCmn.sSWBdetect.ActiveSpeech_ms, SKP_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr ) );
}
@@ -322,7 +314,7 @@
{
SKP_float tmp[ MAX_NB_SUBFR * LTP_ORDER ];
int i;
- DEBUG_STORE_DATA( xf.dat, x_frame +psEnc->sCmn.la_shape, psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
+ DEBUG_STORE_DATA( xf.dat, x_frame + LA_SHAPE_MS * psEnc->sCmn.fs_kHz, psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
DEBUG_STORE_DATA( xfw.dat, xfw, psEnc->sCmn.frame_length * sizeof( SKP_int16 ) );
// DEBUG_STORE_DATA( q.dat, &psEnc->sCmn.q[ ( psEnc->sCmn.nFramesInPayloadBuf - 1)*psEnc->sCmn.frame_length ], psEnc->sCmn.frame_length * sizeof( SKP_int8 ) );
DEBUG_STORE_DATA( pitchL.dat, sEncCtrl.sCmn.pitchL, psEnc->sCmn.nb_subfr * sizeof( SKP_int ) );
@@ -368,6 +360,7 @@
return( ret );
}
+#if 0 //tmp
/* Low BitRate Redundancy encoding functionality. Reuse all parameters but encode residual with lower bitrate */
void SKP_Silk_LBRR_encode_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk encoder state */
@@ -386,10 +379,10 @@
/*******************************************/
/* Control use of inband LBRR */
/*******************************************/
- SKP_Silk_LBRR_ctrl_FIX( psEnc, psEncCtrl );
+ SKP_Silk_LBRR_ctrl_FIX( psEnc, &psEncCtrl->sCmn );
if( psEnc->sCmn.LBRR_enabled ) {
- /* Save original Gains */
+ /* Save original gains */
SKP_memcpy( TempGainsIndices, psEncCtrl->sCmn.GainsIndices, MAX_NB_SUBFR * sizeof( SKP_int ) );
SKP_memcpy( TempGains_Q16, psEncCtrl->Gains_Q16, MAX_NB_SUBFR * sizeof( SKP_int32 ) );
@@ -411,37 +404,35 @@
if( psEnc->sCmn.Complexity > 0 && psEnc->sCmn.TargetRate_bps > Rate_only_parameters ) {
if( psEnc->sCmn.nFramesInPayloadBuf == 0 ) {
- /* First frame in packet copy Everything */
+ /* First frame in packet; copy everything */
SKP_memcpy( &psEnc->sNSQ_LBRR, &psEnc->sNSQ, sizeof( SKP_Silk_nsq_state ) );
-
+
psEnc->sCmn.LBRRprevLastGainIndex = psEnc->sShape.LastGainIndex;
/* Increase Gains to get target LBRR rate */
psEncCtrl->sCmn.GainsIndices[ 0 ] = psEncCtrl->sCmn.GainsIndices[ 0 ] + psEnc->sCmn.LBRR_GainIncreases;
psEncCtrl->sCmn.GainsIndices[ 0 ] = SKP_LIMIT_int( psEncCtrl->sCmn.GainsIndices[ 0 ], 0, N_LEVELS_QGAIN - 1 );
}
- /* Decode to get Gains in sync with decoder */
+ /* Decode to get gains in sync with decoder */
/* Overwrite unquantized gains with quantized gains */
SKP_Silk_gains_dequant( psEncCtrl->Gains_Q16, psEncCtrl->sCmn.GainsIndices,
&psEnc->sCmn.LBRRprevLastGainIndex, psEnc->sCmn.nFramesInPayloadBuf, psEnc->sCmn.nb_subfr );
+
/*****************************************/
/* Noise shaping quantization */
/*****************************************/
- if( psEnc->sCmn.nStatesDelayedDecision > 1 ) {
- SKP_Silk_NSQ_del_dec( &psEnc->sCmn, &psEncCtrl->sCmn,
- &psEnc->sNSQ_LBRR, xfw, &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ],
+ if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) {
+ SKP_Silk_NSQ_del_dec( &psEnc->sCmn, &psEncCtrl->sCmn, &psEnc->sNSQ_LBRR, xfw, psEnc->sCmn.q_LBRR,
psEncCtrl->sCmn.NLSFInterpCoef_Q2, psEncCtrl->PredCoef_Q12[ 0 ], psEncCtrl->LTPCoef_Q14,
psEncCtrl->AR2_Q13, psEncCtrl->HarmShapeGain_Q14, psEncCtrl->Tilt_Q14, psEncCtrl->LF_shp_Q14,
psEncCtrl->Gains_Q16, psEncCtrl->Lambda_Q10, psEncCtrl->LTP_scale_Q14 );
} else {
- SKP_Silk_NSQ( &psEnc->sCmn, &psEncCtrl->sCmn,
- &psEnc->sNSQ_LBRR, xfw, &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ],
+ SKP_Silk_NSQ( &psEnc->sCmn, &psEncCtrl->sCmn, &psEnc->sNSQ_LBRR, xfw, psEnc->sCmn.q_LBRR,
psEncCtrl->sCmn.NLSFInterpCoef_Q2, psEncCtrl->PredCoef_Q12[ 0 ], psEncCtrl->LTPCoef_Q14,
psEncCtrl->AR2_Q13, psEncCtrl->HarmShapeGain_Q14, psEncCtrl->Tilt_Q14, psEncCtrl->LF_shp_Q14,
psEncCtrl->Gains_Q16, psEncCtrl->Lambda_Q10, psEncCtrl->LTP_scale_Q14 );
}
} else {
- SKP_memset( &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf *psEnc->sCmn.frame_length ], 0,
- psEnc->sCmn.frame_length * sizeof( SKP_int ) );
+ SKP_memset( psEnc->sCmn.q_LBRR, 0, psEnc->sCmn.frame_length * sizeof( SKP_int8 ) );
psEncCtrl->sCmn.LTP_scaleIndex = 0;
}
/****************************************/
@@ -458,10 +449,14 @@
/****************************************/
/* Encode Parameters */
/****************************************/
- SKP_Silk_encode_parameters_v4( &psEnc->sCmn, &psEncCtrl->sCmn, &psEnc->sCmn.sRC_LBRR );
+ SKP_Silk_encode_parameters( &psEnc->sCmn, &psEncCtrl->sCmn,
+ &psEnc->sCmn.sRC_LBRR );
+ /****************************************/
+ /* Encode Parameters */
+ /****************************************/
if( psEnc->sCmn.sRC_LBRR.error ) {
- /* encoder returned error: clear payload buffer */
+ /* Encoder returned error: clear payload buffer */
nFramesInPayloadBuf = 0;
} else {
nFramesInPayloadBuf = psEnc->sCmn.nFramesInPayloadBuf + 1;
@@ -468,7 +463,7 @@
}
/****************************************/
- /* finalize payload and copy to output */
+ /* Finalize payload and copy to output */
/****************************************/
if( SKP_SMULBB( nFramesInPayloadBuf, SKP_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr ) ) >= psEnc->sCmn.PacketSize_ms ) {
@@ -476,8 +471,9 @@
frame_terminator = SKP_SILK_LAST_FRAME;
/* Add the frame termination info to stream */
- SKP_Silk_range_encoder( &psEnc->sCmn.sRC_LBRR, frame_terminator, SKP_Silk_FrameTermination_v4_CDF );
-
+ ec_encode_bin( psRangeEnc_LBRR, FrameTermination_CDF[ frame_terminator ],
+ FrameTermination_CDF[ frame_terminator + 1 ], 16 );
+
/*********************************************/
/* Encode quantization indices of excitation */
/*********************************************/
@@ -485,10 +481,11 @@
SKP_Silk_encode_pulses( &psEnc->sCmn.sRC_LBRR, psEnc->sCmn.sigtype[ i ], psEnc->sCmn.QuantOffsetType[ i ],
&psEnc->sCmn.q_LBRR[ i * psEnc->sCmn.frame_length ], psEnc->sCmn.frame_length );
}
- /* payload length so far */
- SKP_Silk_range_encoder_get_length( &psEnc->sCmn.sRC_LBRR, &nBytes );
- /* check that there is enough space in external output buffer, and move data */
+ /* Payload length so far */
+ nBytes = SKP_RSHIFT( ec_enc_tell( psRangeEnc_LBRR, 0 ) + 7, 3 );
+
+ /* Check that there is enough space in external output buffer and move data */
if( *pnBytesOut >= nBytes ) {
SKP_int bits_in_stream, mask;
bits_in_stream = ec_enc_tell( &psEnc->sCmn.sRC_LBRR.range_enc_celt_state, 0 );
@@ -502,28 +499,30 @@
}
}
SKP_memcpy( pCode, psEnc->sCmn.sRC_LBRR.range_enc_celt_state.buf->buf, nBytes * sizeof( SKP_uint8 ) );
-//#endif
+
*pnBytesOut = nBytes;
} else {
- /* not enough space: payload will be discarded */
+ /* Not enough space: payload will be discarded */
*pnBytesOut = 0;
SKP_assert( 0 );
}
} else {
- /* no payload for you this time */
+ /* No payload this time */
*pnBytesOut = 0;
/* Encode that more frames follows */
frame_terminator = SKP_SILK_MORE_FRAMES;
- SKP_Silk_range_encoder( &psEnc->sCmn.sRC_LBRR, frame_terminator, SKP_Silk_FrameTermination_v4_CDF );
+ ec_encode_bin( psRangeEnc_LBRR, FrameTermination_CDF[ frame_terminator ],
+ FrameTermination_CDF[ frame_terminator + 1 ], 16 );
}
/* Restore original Gains */
- SKP_memcpy( psEncCtrl->sCmn.GainsIndices, TempGainsIndices, MAX_NB_SUBFR * sizeof( SKP_int ) );
- SKP_memcpy( psEncCtrl->Gains_Q16, TempGains_Q16, MAX_NB_SUBFR * sizeof( SKP_int32 ) );
+ SKP_memcpy( psEncCtrl->sCmn.GainsIndices, TempGainsIndices, psEnc->sCmn.nb_subfr * sizeof( SKP_int ) );
+ SKP_memcpy( psEncCtrl->Gains_Q16, TempGains_Q16, psEnc->sCmn.nb_subfr * sizeof( SKP_int32 ) );
/* Restore LTP scale index and typeoffset */
psEncCtrl->sCmn.LTP_scaleIndex = LTP_scaleIndex;
- psEnc->sCmn.typeOffsetPrev = typeOffset;
+ psEnc->sCmn.typeOffsetPrev = typeOffset;
}
}
+#endif
--- a/src_FIX/SKP_Silk_find_LPC_FIX.c
+++ b/src_FIX/SKP_Silk_find_LPC_FIX.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
/* Finds LPC vector from correlations, and converts to NLSF */
void SKP_Silk_find_LPC_FIX(
@@ -41,7 +42,6 @@
{
SKP_int k;
SKP_int32 a_Q16[ MAX_LPC_ORDER ];
-
SKP_int isInterpLower, shift;
SKP_int16 S[ MAX_LPC_ORDER ];
SKP_int32 res_nrg0, res_nrg1;
@@ -58,13 +58,17 @@
*interpIndex = 4;
/* Burg AR analysis for the full frame */
- SKP_Silk_burg_modified( &res_nrg, &res_nrg_Q, a_Q16, x, subfr_length, nb_subfr, FIND_LPC_COND_FAC_Q32, LPC_order );
+ SKP_Silk_burg_modified( &res_nrg, &res_nrg_Q, a_Q16, x, subfr_length, nb_subfr, SKP_FIX_CONST( FIND_LPC_COND_FAC, 32 ), LPC_order );
+ SKP_Silk_bwexpander_32( a_Q16, LPC_order, SKP_FIX_CONST( FIND_LPC_CHIRP, 16 ) );
+
if( useInterpolatedNLSFs == 1 && nb_subfr == MAX_NB_SUBFR ) {
/* Optimal solution for last 10 ms */
SKP_Silk_burg_modified( &res_tmp_nrg, &res_tmp_nrg_Q, a_tmp_Q16, x + ( MAX_NB_SUBFR >> 1 ) * subfr_length,
- subfr_length, ( MAX_NB_SUBFR >> 1 ), FIND_LPC_COND_FAC_Q32, LPC_order );
+ subfr_length, ( MAX_NB_SUBFR >> 1 ), SKP_FIX_CONST( FIND_LPC_COND_FAC, 32 ), LPC_order );
+
+ SKP_Silk_bwexpander_32( a_tmp_Q16, LPC_order, SKP_FIX_CONST( FIND_LPC_CHIRP, 16 ) );
/* subtract residual energy here, as that's easier than adding it to the */
/* residual energy of the first 10 ms in each iteration of the search below */
--- a/src_FIX/SKP_Silk_find_LTP_FIX.c
+++ b/src_FIX/SKP_Silk_find_LTP_FIX.c
@@ -26,7 +26,11 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
+/* Head room for correlations */
+#define LTP_CORRS_HEAD_ROOM 2
+
void SKP_Silk_fit_LTP(
SKP_int32 LTP_coefs_Q16[ LTP_ORDER ],
SKP_int16 LTP_coefs_Q14[ LTP_ORDER ]
@@ -68,22 +72,24 @@
lag_ptr = r_ptr - ( lag[ k ] + LTP_ORDER / 2 );
SKP_Silk_sum_sqr_shift( &rr[ k ], &rr_shifts, r_ptr, subfr_length ); /* rr[ k ] in Q( -rr_shifts ) */
+
/* Assure headroom */
LZs = SKP_Silk_CLZ32( rr[k] );
if( LZs < LTP_CORRS_HEAD_ROOM ) {
rr[ k ] = SKP_RSHIFT_ROUND( rr[ k ], LTP_CORRS_HEAD_ROOM - LZs );
- rr_shifts += (LTP_CORRS_HEAD_ROOM - LZs);
+ rr_shifts += ( LTP_CORRS_HEAD_ROOM - LZs );
}
corr_rshifts[ k ] = rr_shifts;
- SKP_Silk_corrMatrix_FIX( lag_ptr, subfr_length, LTP_ORDER, WLTP_ptr, &corr_rshifts[ k ] ); /* WLTP_fix_ptr in Q( -corr_rshifts[ k ] ) */
- /* The correlation vector always have lower max abs value than rr and/or RR so head room is assured */
- SKP_Silk_corrVector_FIX( lag_ptr, r_ptr, subfr_length, LTP_ORDER, Rr, corr_rshifts[ k ] ); /* Rr_fix_ptr in Q( -corr_rshifts[ k ] ) */
+ SKP_Silk_corrMatrix_FIX( lag_ptr, subfr_length, LTP_ORDER, LTP_CORRS_HEAD_ROOM, WLTP_ptr, &corr_rshifts[ k ] ); /* WLTP_fix_ptr in Q( -corr_rshifts[ k ] ) */
+
+ /* The correlation vector always has lower max abs value than rr and/or RR so head room is assured */
+ SKP_Silk_corrVector_FIX( lag_ptr, r_ptr, subfr_length, LTP_ORDER, Rr, corr_rshifts[ k ] ); /* Rr_fix_ptr in Q( -corr_rshifts[ k ] ) */
if( corr_rshifts[ k ] > rr_shifts ) {
rr[ k ] = SKP_RSHIFT( rr[ k ], corr_rshifts[ k ] - rr_shifts ); /* rr[ k ] in Q( -corr_rshifts[ k ] ) */
}
SKP_assert( rr[ k ] >= 0 );
- regu = SKP_SMULWB( rr[ k ] + 1, LTP_DAMPING_Q16 );
+ regu = SKP_SMULWB( rr[ k ] + 1, SKP_FIX_CONST( LTP_DAMPING, 16 ) );
SKP_Silk_regularize_correlations_FIX( WLTP_ptr, &rr[k], regu, LTP_ORDER );
SKP_Silk_solve_LDL_FIX( WLTP_ptr, LTP_ORDER, Rr, b_Q16 ); /* WLTP_fix_ptr and Rr_fix_ptr both in Q(-corr_rshifts[k]) */
@@ -96,12 +102,12 @@
/* temp = Wght[ k ] / ( nrg[ k ] * Wght[ k ] + 0.01f * subfr_length ); */
extra_shifts = SKP_min_int( corr_rshifts[ k ], LTP_CORRS_HEAD_ROOM );
- denom32 = SKP_LSHIFT_SAT32( SKP_SMULWB( nrg[ k ], Wght_Q15[ k ] ), 1 + extra_shifts ) + /* Q( -corr_rshifts[ k ] + extra_shifts ) */
- SKP_RSHIFT( SKP_SMULWB( subfr_length, 655 ), corr_rshifts[ k ] - extra_shifts ); /* Q( -corr_rshifts[ k ] + extra_shifts ) */
+ denom32 = SKP_LSHIFT_SAT32( SKP_SMULWB( nrg[ k ], Wght_Q15[ k ] ), 1 + extra_shifts ) + /* Q( -corr_rshifts[ k ] + extra_shifts ) */
+ SKP_RSHIFT( SKP_SMULWB( subfr_length, 655 ), corr_rshifts[ k ] - extra_shifts ); /* Q( -corr_rshifts[ k ] + extra_shifts ) */
denom32 = SKP_max( denom32, 1 );
- SKP_assert( ((SKP_int64)Wght_Q15[ k ] << 16 ) < SKP_int32_MAX ); /* Wght always < 0.5 in Q0 */
- temp32 = SKP_DIV32( SKP_LSHIFT( ( SKP_int32 )Wght_Q15[ k ], 16 ), denom32 ); /* Q( 15 + 16 + corr_rshifts[k] - extra_shifts ) */
- temp32 = SKP_RSHIFT( temp32, 31 + corr_rshifts[ k ] - extra_shifts - 26 ); /* Q26 */
+ SKP_assert( ((SKP_int64)Wght_Q15[ k ] << 16 ) < SKP_int32_MAX ); /* Wght always < 0.5 in Q0 */
+ temp32 = SKP_DIV32( SKP_LSHIFT( ( SKP_int32 )Wght_Q15[ k ], 16 ), denom32 ); /* Q( 15 + 16 + corr_rshifts[k] - extra_shifts ) */
+ temp32 = SKP_RSHIFT( temp32, 31 + corr_rshifts[ k ] - extra_shifts - 26 ); /* Q26 */
/* Limit temp such that the below scaling never wraps around */
WLTP_max = 0;
@@ -129,7 +135,7 @@
maxRshifts = SKP_max_int( corr_rshifts[ k ], maxRshifts );
}
- /* compute LTP coding gain */
+ /* Compute LTP coding gain */
if( LTPredCodGain_Q7 != NULL ) {
LPC_LTP_res_nrg = 0;
LPC_res_nrg = 0;
@@ -201,8 +207,8 @@
g_Q26 = SKP_MUL(
SKP_DIV32(
- LTP_SMOOTHING_Q26,
- SKP_RSHIFT( LTP_SMOOTHING_Q26, 10 ) + temp32 ), /* Q10 */
+ SKP_FIX_CONST( LTP_SMOOTHING, 26 ),
+ SKP_RSHIFT( SKP_FIX_CONST( LTP_SMOOTHING, 26 ), 10 ) + temp32 ), /* Q10 */
SKP_LSHIFT_SAT32( SKP_SUB_SAT32( ( SKP_int32 )m_Q12, SKP_RSHIFT( d_Q14[ k ], 2 ) ), 4 ) ); /* Q16 */
temp32 = 0;
--- a/src_FIX/SKP_Silk_find_pitch_lags_FIX.c
+++ b/src_FIX/SKP_Silk_find_pitch_lags_FIX.c
@@ -26,7 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
-#include "SKP_Silk_common_pitch_est_defines.h"
+#include "SKP_Silk_tuning_parameters.h"
/* Find pitch lags */
void SKP_Silk_find_pitch_lags_FIX(
@@ -38,7 +38,7 @@
{
SKP_Silk_predict_state_FIX *psPredSt = &psEnc->sPred;
SKP_int buf_len, i, scale;
- SKP_int32 thrhld_Q15;
+ SKP_int32 thrhld_Q15, res_nrg;
const SKP_int16 *x_buf, *x_buf_ptr;
SKP_int16 Wsig[ FIND_PITCH_LPC_WIN_MAX ], *Wsig_ptr;
SKP_int32 auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ];
@@ -81,13 +81,16 @@
/* Calculate autocorrelation sequence */
SKP_Silk_autocorr( auto_corr, &scale, Wsig, psPredSt->pitch_LPC_win_length, psEnc->sCmn.pitchEstimationLPCOrder + 1 );
- /* add white noise, as fraction of energy */
- auto_corr[ 0 ] = SKP_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], FIND_PITCH_WHITE_NOISE_FRACTION_Q16 );
+ /* Add white noise, as fraction of energy */
+ auto_corr[ 0 ] = SKP_SMLAWB( auto_corr[ 0 ], auto_corr[ 0 ], SKP_FIX_CONST( FIND_PITCH_WHITE_NOISE_FRACTION, 16 ) );
- /* calculate the reflection coefficients using schur */
- SKP_Silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
+ /* Calculate the reflection coefficients using schur */
+ res_nrg = SKP_Silk_schur( rc_Q15, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
- /* convert reflection coefficients to prediction coefficients */
+ /* Prediction gain */
+ psEncCtrl->predGain_Q16 = SKP_DIV32_varQ( auto_corr[ 0 ], SKP_max_int( res_nrg, 1 ), 16 );
+
+ /* Convert reflection coefficients to prediction coefficients */
SKP_Silk_k2a( A_Q24, rc_Q15, psEnc->sCmn.pitchEstimationLPCOrder );
/* Convert From 32 bit Q24 to 16 bit Q12 coefs */
@@ -96,7 +99,7 @@
}
/* Do BWE */
- SKP_Silk_bwexpander( A_Q12, psEnc->sCmn.pitchEstimationLPCOrder, FIND_PITCH_BANDWITH_EXPANSION_Q16 );
+ SKP_Silk_bwexpander( A_Q12, psEnc->sCmn.pitchEstimationLPCOrder, SKP_FIX_CONST( FIND_PITCH_BANDWITH_EXPANSION, 16 ) );
/*****************************************/
/* LPC analysis filtering */
@@ -106,11 +109,11 @@
SKP_memset( res, 0, psEnc->sCmn.pitchEstimationLPCOrder * sizeof( SKP_int16 ) );
/* Threshold for pitch estimator */
- thrhld_Q15 = ( 1 << 14 ); // 0.5f in Q15
- thrhld_Q15 = SKP_SMLABB( thrhld_Q15, -131, psEnc->sCmn.pitchEstimationLPCOrder );
- thrhld_Q15 = SKP_SMLABB( thrhld_Q15, -13, ( SKP_int16 )SKP_Silk_SQRT_APPROX( SKP_LSHIFT( ( SKP_int32 )psEnc->speech_activity_Q8, 8 ) ) );
- thrhld_Q15 = SKP_SMLABB( thrhld_Q15, 4587, psEnc->sCmn.prev_sigtype );
- thrhld_Q15 = SKP_MLA( thrhld_Q15, -31, SKP_RSHIFT( psEncCtrl->input_tilt_Q15, 8 ) );
+ thrhld_Q15 = SKP_FIX_CONST( 0.45, 15 );
+ thrhld_Q15 = SKP_SMLABB( thrhld_Q15, SKP_FIX_CONST( -0.004, 15 ), psEnc->sCmn.pitchEstimationLPCOrder );
+ thrhld_Q15 = SKP_SMLABB( thrhld_Q15, SKP_FIX_CONST( -0.1, 7 ), psEnc->speech_activity_Q8 );
+ thrhld_Q15 = SKP_SMLABB( thrhld_Q15, SKP_FIX_CONST( 0.15, 15 ), psEnc->sCmn.prev_sigtype );
+ thrhld_Q15 = SKP_SMLAWB( thrhld_Q15, SKP_FIX_CONST( -0.1, 16 ), psEncCtrl->input_tilt_Q15 );
thrhld_Q15 = SKP_SAT16( thrhld_Q15 );
/*****************************************/
@@ -118,7 +121,7 @@
/*****************************************/
TIC(pitch_analysis_core_FIX)
psEncCtrl->sCmn.sigtype = SKP_Silk_pitch_analysis_core( res, psEncCtrl->sCmn.pitchL, &psEncCtrl->sCmn.lagIndex,
- &psEncCtrl->sCmn.contourIndex, &psEnc->LTPCorr_Q15, psEnc->sCmn.prevLag, psEnc->pitchEstimationThreshold_Q16,
+ &psEncCtrl->sCmn.contourIndex, &psEnc->LTPCorr_Q15, psEnc->sCmn.prevLag, psEnc->sCmn.pitchEstimationThreshold_Q16,
( SKP_int16 )thrhld_Q15, psEnc->sCmn.fs_kHz, psEnc->sCmn.pitchEstimationComplexity, psEnc->sCmn.nb_subfr );
TOC(pitch_analysis_core_FIX)
}
--- a/src_FIX/SKP_Silk_find_pred_coefs_FIX.c
+++ b/src_FIX/SKP_Silk_find_pred_coefs_FIX.c
@@ -228,8 +228,8 @@
/* Weighted input energy */
in_ptr = &x_flp[ psEnc->sCmn.ltp_mem_length ];
- DEBUG_STORE_DATA( x_flp.dat, x_flp, psEnc->sCmn.frame_length * sizeof(SKP_float));
- DEBUG_STORE_DATA( in_ptr.dat, in_ptr, psEnc->sCmn.frame_length * sizeof(SKP_float));
+ DEBUG_STORE_DATA( x_flp.dat, x_flp, psEnc->sCmn.frame_length * sizeof( SKP_float ) );
+ DEBUG_STORE_DATA( in_ptr.dat, in_ptr, psEnc->sCmn.frame_length * sizeof( SKP_float ) );
in_nrg = 0.0f;
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
in_nrg += (SKP_float)SKP_Silk_energy_FLP( in_ptr, psEnc->sCmn.subfr_length ) * Wght[ k ];
@@ -241,15 +241,15 @@
}
DEBUG_STORE_DATA( uq_PredCoef.dat, uq_PredCoef[0], psEnc->sCmn.predictLPCOrder * sizeof( SKP_float ) );
- DEBUG_STORE_DATA( PredCoef.dat, PredCoef[0], psEnc->sCmn.predictLPCOrder * sizeof( SKP_float ) );
+ DEBUG_STORE_DATA( PredCoef.dat, PredCoef[0], psEnc->sCmn.predictLPCOrder * sizeof( SKP_float ) );
LPC_res_nrg = 0.0f;
LTP_res_nrg = 0.0f;
qLPC_res_nrg = 0.0f;
qLTP_res_nrg = 0.0f;
- for( j = 0; j < psEnc->sCmn.nb_subfr; j+=2 ) {
+ for( j = 0; j < psEnc->sCmn.nb_subfr; j += 2 ) {
/* Calculate LPC residual with unquantized LPC */
- SKP_Silk_LPC_analysis_filter_FLP( LPC_res, uq_PredCoef[ j >> 1 ], &x_flp[ j * psEnc->sCmn.subfr_length ],
+ SKP_Silk_LPC_analysis_filter_FLP( LPC_res, uq_PredCoef[ j >> 1 ], x_flp + j * psEnc->sCmn.subfr_length,
( psEnc->sCmn.ltp_mem_length + ( psEnc->sCmn.subfr_length << 1 ) ), psEnc->sCmn.predictLPCOrder );
/* Weighted energy */
@@ -273,7 +273,7 @@
}
/* Calculate LPC residual with quantized LPC */
- SKP_Silk_LPC_analysis_filter_FLP( LPC_res, PredCoef[ j >> 1 ], &x_flp[ j * psEnc->sCmn.subfr_length ],
+ SKP_Silk_LPC_analysis_filter_FLP( LPC_res, PredCoef[ j >> 1 ], x_flp + j * psEnc->sCmn.subfr_length,
( psEnc->sCmn.ltp_mem_length + ( psEnc->sCmn.subfr_length << 1 ) ), psEnc->sCmn.predictLPCOrder );
/* Weighted energy */
@@ -300,8 +300,8 @@
SKP_memcpy( LTP_res, &LPC_res[ psEnc->sCmn.ltp_mem_length ], ( psEnc->sCmn.subfr_length << 1 ) * sizeof( SKP_float ) );
}
/* Save residual */
- DEBUG_STORE_DATA( LPC_res.dat, &LPC_res[ psEnc->sCmn.ltp_mem_length ], (psEnc->sCmn.subfr_length << 1) * sizeof( SKP_float ) );
- DEBUG_STORE_DATA( res.dat, LTP_res, ( psEnc->sCmn.subfr_length << 1 ) * sizeof( SKP_float ) );
+ DEBUG_STORE_DATA( LPC_res.dat, &LPC_res[ psEnc->sCmn.ltp_mem_length ], ( psEnc->sCmn.subfr_length << 1 ) * sizeof( SKP_float ) );
+ DEBUG_STORE_DATA( res.dat, LTP_res, ( psEnc->sCmn.subfr_length << 1 ) * sizeof( SKP_float ) );
}
if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
LPC_predCodGain = 3.0f * SKP_Silk_log2( in_nrg / LPC_res_nrg );
@@ -321,7 +321,7 @@
DEBUG_STORE_DATA( LPC_predCodGain.dat, &LPC_predCodGain, sizeof( SKP_float ) );
DEBUG_STORE_DATA( QLPC_predCodGain.dat, &QLPC_predCodGain, sizeof( SKP_float ) );
DEBUG_STORE_DATA( predCodGain.dat, &predCodGain, sizeof( SKP_float ) );
- DEBUG_STORE_DATA( ResNrg.dat, SF_resNrg, psEnc->sCmn.nb_subfr * sizeof( SKP_float ) );
+ DEBUG_STORE_DATA( ResNrg.dat, SF_resNrg, psEnc->sCmn.nb_subfr * sizeof( SKP_float ) );
}
#endif
}
@@ -425,18 +425,4 @@
SKP_assert( result >= 0.0 );
return result;
}
-
-/* integer to floating-point conversion */
-SKP_INLINE void SKP_short2float_array(
- SKP_float *out,
- const SKP_int16 *in,
- SKP_int32 length
-)
-{
- SKP_int32 k;
- for (k = length-1; k >= 0; k--) {
- out[k] = (SKP_float)in[k];
- }
-}
-
#endif
--- a/src_FIX/SKP_Silk_init_encoder_FIX.c
+++ b/src_FIX/SKP_Silk_init_encoder_FIX.c
@@ -37,9 +37,6 @@
/* Clear the entire encoder state */
SKP_memset( psEnc, 0, sizeof( SKP_Silk_encoder_state_FIX ) );
- /* Initialize to 24 kHz API sampling, 24 kHz max internal sampling, 20 ms packets, 25 kbps, 0% packet loss, and init non-zero values */
- ret = SKP_Silk_control_encoder_FIX( psEnc, 24000, 24, 20, 25, 0, 0, 0, 10, 0 );
-
#if HIGH_PASS_INPUT
psEnc->variable_HP_smth1_Q15 = 200844; /* = SKP_Silk_log2(70)_Q0; */
psEnc->variable_HP_smth2_Q15 = 200844; /* = SKP_Silk_log2(70)_Q0; */
@@ -47,8 +44,6 @@
/* Used to deactivate e.g. LSF interpolation and fluctuation reduction */
psEnc->sCmn.first_frame_after_reset = 1;
- psEnc->sCmn.fs_kHz_changed = 0;
- psEnc->sCmn.LBRR_enabled = 0;
/* Initialize Silk VAD */
ret += SKP_Silk_VAD_Init( &psEnc->sCmn.sVAD );
--- a/src_FIX/SKP_Silk_main_FIX.h
+++ b/src_FIX/SKP_Silk_main_FIX.h
@@ -28,11 +28,9 @@
#ifndef SKP_SILK_MAIN_FIX_H
#define SKP_SILK_MAIN_FIX_H
-#include <stdlib.h>
#include "SKP_Silk_SigProc_FIX.h"
#include "SKP_Silk_structs_FIX.h"
#include "SKP_Silk_main.h"
-#include "SKP_Silk_define_FIX.h"
#include "SKP_Silk_PLC.h"
#include "SKP_debug.h"
#include "entenc.h"
@@ -48,51 +46,46 @@
/* Encoder Functions */
/*********************/
-/* Initializes the Silk encoder state */
-SKP_int SKP_Silk_init_encoder_FIX(
- SKP_Silk_encoder_state_FIX *psEnc /* I/O Pointer to Silk FIX encoder state */
+/* High-pass filter with cutoff frequency adaptation based on pitch lag statistics */
+void SKP_Silk_HP_variable_cutoff_FIX(
+ SKP_Silk_encoder_state_FIX *psEnc, /* I/O Encoder state */
+ SKP_Silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control */
+ SKP_int16 *out, /* O high-pass filtered output signal */
+ const SKP_int16 *in /* I input signal */
);
-/* Control the Silk encoder */
-SKP_int SKP_Silk_control_encoder_FIX(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk encoder state */
- const SKP_int32 API_fs_Hz, /* I External (API) sampling rate (Hz) */
- const SKP_int max_internal_fs_kHz,/* I Maximum internal sampling rate (kHz) */
- const SKP_int PacketSize_ms, /* I Packet length (ms) */
- SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) (used if SNR_dB == 0) */
- const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
- const SKP_int INBandFEC_enabled, /* I Enable (1) / disable (0) inband FEC */
- const SKP_int DTX_enabled, /* I Enable / disable DTX */
- const SKP_int InputFramesize_ms, /* I Inputframe in ms */
- const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
-);
-
/* Encoder main function */
SKP_int SKP_Silk_encode_frame_FIX(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */
- SKP_uint8 *pCode, /* O Pointer to payload */
- SKP_int16 *pnBytesOut, /* I/O Pointer to number of payload bytes; */
- /* input: max length; output: used */
- const SKP_int16 *pIn /* I Pointer to input speech frame */
+ SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */
+ SKP_int32 *pnBytesOut, /* I/O Pointer to number of payload bytes; */
+ /* input: max length; output: used */
+ ec_enc *psRangeEnc, /* I/O compressor data structure */
+ const SKP_int16 *pIn /* I Pointer to input speech frame */
);
-/* Low BitRate Redundancy encoding functionality. Reuse all parameters but encode with lower bitrate */
+/* Low Bitrate Redundancy (LBRR) encoding. Reuse all parameters but encode with lower bitrate */
void SKP_Silk_LBRR_encode_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk FIX encoder state */
SKP_Silk_encoder_control_FIX *psEncCtrl, /* I/O Pointer to Silk FIX encoder control struct */
SKP_uint8 *pCode, /* O Pointer to payload */
- SKP_int16 *pnBytesOut, /* I/O Pointer to number of payload bytes */
+ SKP_int32 *pnBytesOut, /* I/O Pointer to number of payload bytes */
SKP_int16 xfw[] /* I Input signal */
);
-/* High-pass filter with cutoff frequency adaptation based on pitch lag statistics */
-void SKP_Silk_HP_variable_cutoff_FIX(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O Encoder state */
- SKP_Silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control */
- SKP_int16 *out, /* O high-pass filtered output signal */
- const SKP_int16 *in /* I input signal */
+/* Initializes the Silk encoder state */
+SKP_int SKP_Silk_init_encoder_FIX(
+ SKP_Silk_encoder_state_FIX *psEnc /* I/O Pointer to Silk FIX encoder state */
);
+/* Control the Silk encoder */
+SKP_int SKP_Silk_control_encoder_FIX(
+ SKP_Silk_encoder_state_FIX *psEnc, /* I/O Pointer to Silk encoder state */
+ const SKP_int PacketSize_ms, /* I Packet length (ms) */
+ const SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) */
+ const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
+ const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
+);
+
/****************/
/* Prefiltering */
/****************/
@@ -103,9 +96,10 @@
const SKP_int16 x[] /* I Speech signal */
);
-/**************************************************************/
+/**************************/
+/* Noise shaping analysis */
+/**************************/
/* Compute noise shaping coefficients and initial gain values */
-/**************************************************************/
void SKP_Silk_noise_shape_analysis_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O Encoder state FIX */
SKP_Silk_encoder_control_FIX *psEncCtrl, /* I/O Encoder control FIX */
@@ -118,21 +112,15 @@
SKP_int32 *corr, /* O Result [order + 1] */
SKP_int *scale, /* O Scaling of the correlation vector */
const SKP_int16 *input, /* I Input data to correlate */
- const SKP_int16 warping_Q16, /* I Warping coefficient */
+ const SKP_int warping_Q16, /* I Warping coefficient */
const SKP_int length, /* I Length of input */
const SKP_int order /* I Correlation order (even) */
);
-/* Processing of gains */
-void SKP_Silk_process_gains_FIX(
- SKP_Silk_encoder_state_FIX *psEnc, /* I/O Encoder state */
- SKP_Silk_encoder_control_FIX *psEncCtrl /* I/O Encoder control */
-);
-
/* Control low bitrate redundancy usage */
void SKP_Silk_LBRR_ctrl_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O encoder state */
- SKP_Silk_encoder_control_FIX *psEncCtrl /* I/O encoder control */
+ SKP_Silk_encoder_control *psEncCtrlC /* I/O encoder control */
);
/* Calculation of LTP state scaling */
@@ -144,7 +132,6 @@
/**********************************************/
/* Prediction Analysis */
/**********************************************/
-
/* Find pitch lags */
void SKP_Silk_find_pitch_lags_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O encoder state */
@@ -153,6 +140,7 @@
const SKP_int16 x[] /* I Speech signal */
);
+/* Find LPC and LTP coefficients */
void SKP_Silk_find_pred_coefs_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O encoder state */
SKP_Silk_encoder_control_FIX *psEncCtrl, /* I/O encoder control */
@@ -159,6 +147,7 @@
const SKP_int16 res_pitch[] /* I Residual from pitch analysis */
);
+/* LPC analysis */
void SKP_Silk_find_LPC_FIX(
SKP_int NLSF_Q15[], /* O NLSFs */
SKP_int *interpIndex, /* O NLSF interpolation index, only used for NLSF interpolation */
@@ -170,18 +159,7 @@
const SKP_int nb_subfr /* I: Number of subframes */
);
-void SKP_Silk_LTP_analysis_filter_FIX(
- SKP_int16 *LTP_res, /* O: LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */
- const SKP_int16 *x, /* I: Pointer to input signal with at least max( pitchL ) preceeding samples */
- const SKP_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I: LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */
- const SKP_int pitchL[ MAX_NB_SUBFR ], /* I: Pitch lag, one for each subframe */
- const SKP_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I: Inverse quantization gains, one for each subframe */
- const SKP_int subfr_length, /* I: Length of each subframe */
- const SKP_int nb_subfr, /* I: Number of subframes */
- const SKP_int pre_length /* I: Length of the preceeding samples starting at &x[0] for each subframe */
-);
-
-/* Finds LTP vector from correlations */
+/* LTP analysis */
void SKP_Silk_find_LTP_FIX(
SKP_int16 b_Q14[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */
SKP_int32 WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */
@@ -195,6 +173,30 @@
SKP_int corr_rshifts[ MAX_NB_SUBFR ] /* O right shifts applied to correlations */
);
+void SKP_Silk_LTP_analysis_filter_FIX(
+ SKP_int16 *LTP_res, /* O: LTP residual signal of length MAX_NB_SUBFR * ( pre_length + subfr_length ) */
+ const SKP_int16 *x, /* I: Pointer to input signal with at least max( pitchL ) preceeding samples */
+ const SKP_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ],/* I: LTP_ORDER LTP coefficients for each MAX_NB_SUBFR subframe */
+ const SKP_int pitchL[ MAX_NB_SUBFR ], /* I: Pitch lag, one for each subframe */
+ const SKP_int32 invGains_Q16[ MAX_NB_SUBFR ], /* I: Inverse quantization gains, one for each subframe */
+ const SKP_int subfr_length, /* I: Length of each subframe */
+ const SKP_int nb_subfr, /* I: Number of subframes */
+ const SKP_int pre_length /* I: Length of the preceeding samples starting at &x[0] for each subframe */
+);
+
+/* Calculates residual energies of input subframes where all subframes have LPC_order */
+/* of preceeding samples */
+void SKP_Silk_residual_energy_FIX(
+ SKP_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
+ SKP_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */
+ const SKP_int16 x[], /* I Input signal */
+ const SKP_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */
+ const SKP_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */
+ const SKP_int subfr_length, /* I Subframe length */
+ const SKP_int nb_subfr, /* I Number of subframes */
+ const SKP_int LPC_order /* I LPC order */
+);
+
/* LTP tap quantizer */
void SKP_Silk_quant_LTP_gains_FIX(
SKP_int16 B_Q14[], /* I/O (un)quantized LTP gains */
@@ -209,7 +211,6 @@
/******************/
/* NLSF Quantizer */
/******************/
-
/* Limit, stabilize, convert and quantize NLSFs. */
void SKP_Silk_process_NLSFs_FIX(
SKP_Silk_encoder_state_FIX *psEnc, /* I/O encoder state */
@@ -217,7 +218,7 @@
SKP_int *pNLSF_Q15 /* I/O Normalized LSFs (quant out) (0 - (2^15-1)) */
);
-/* LSF vector encoder */
+/* NLSF vector encoder */
void SKP_Silk_NLSF_MSVQ_encode_FIX(
SKP_int *NLSFIndices, /* O Codebook path vector [ CB_STAGES ] */
SKP_int *pNLSF_Q15, /* I/O Quantized NLSF vector [ LPC_ORDER ] */
@@ -248,12 +249,22 @@
SKP_int32 *err_Q20, /* O Weighted quantization errors [N*K] */
const SKP_int *in_Q15, /* I Input vectors to be quantized [N*LPC_order] */
const SKP_int *w_Q6, /* I Weighting vectors [N*LPC_order] */
- const SKP_int16 *pCB_Q15, /* I Codebook vectors [K*LPC_order] */
+ const SKP_int8 *pCB_Q9, /* I Codebook vectors [K*LPC_order] */
const SKP_int N, /* I Number of input vectors */
const SKP_int K, /* I Number of codebook vectors */
const SKP_int LPC_order /* I Number of LPCs */
);
+/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
+SKP_int32 SKP_Silk_residual_energy16_covar_FIX(
+ const SKP_int16 *c, /* I Prediction vector */
+ const SKP_int32 *wXX, /* I Correlation matrix */
+ const SKP_int32 *wXx, /* I Correlation vector */
+ SKP_int32 wxx, /* I Signal energy */
+ SKP_int D, /* I Dimension */
+ SKP_int cQ /* I Q value for c vector 0 - 15 */
+);
+
/* Entropy constrained MATRIX-weighted VQ, for a single input data vector */
void SKP_Silk_VQ_WMat_EC_FIX(
SKP_int *ind, /* O index of best codebook vector */
@@ -266,15 +277,21 @@
SKP_int L /* I number of vectors in codebook */
);
+/* Processing of gains */
+void SKP_Silk_process_gains_FIX(
+ SKP_Silk_encoder_state_FIX *psEnc, /* I/O Encoder state */
+ SKP_Silk_encoder_control_FIX *psEncCtrl /* I/O Encoder control */
+);
+
/******************/
/* Linear Algebra */
/******************/
-
/* Calculates correlation matrix X'*X */
void SKP_Silk_corrMatrix_FIX(
const SKP_int16 *x, /* I x vector [L + order - 1] used to form data matrix X */
const SKP_int L, /* I Length of vectors */
const SKP_int order, /* I Max lag for correlation */
+ const SKP_int head_room, /* I Desired headroom */
SKP_int32 *XX, /* O Pointer to X'*X correlation matrix [ order x order ]*/
SKP_int *rshifts /* I/O Right shifts of correlations */
);
@@ -303,29 +320,6 @@
SKP_int M, /* I Size of matrix */
const SKP_int32 *b, /* I Pointer to b vector */
SKP_int32 *x_Q16 /* O Pointer to x solution vector */
-);
-
-/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
-SKP_int32 SKP_Silk_residual_energy16_covar_FIX(
- const SKP_int16 *c, /* I Prediction vector */
- const SKP_int32 *wXX, /* I Correlation matrix */
- const SKP_int32 *wXx, /* I Correlation vector */
- SKP_int32 wxx, /* I Signal energy */
- SKP_int D, /* I Dimension */
- SKP_int cQ /* I Q value for c vector 0 - 15 */
-);
-
-/* Calculates residual energies of input subframes where all subframes have LPC_order */
-/* of preceeding samples */
-void SKP_Silk_residual_energy_FIX(
- SKP_int32 nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
- SKP_int nrgsQ[ MAX_NB_SUBFR ], /* O Q value per subframe */
- const SKP_int16 x[], /* I Input signal */
- const SKP_int16 a_Q12[ 2 ][ MAX_LPC_ORDER ], /* I AR coefs for each frame half */
- const SKP_int32 gains[ MAX_NB_SUBFR ], /* I Quantization gains */
- const SKP_int subfr_length, /* I Subframe length */
- const SKP_int nb_subfr, /* I Number of subframes */
- const SKP_int LPC_order /* I LPC order */
);
#ifndef FORCE_CPP_BUILD
--- a/src_FIX/SKP_Silk_noise_shape_analysis_FIX.c
+++ b/src_FIX/SKP_Silk_noise_shape_analysis_FIX.c
@@ -26,7 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
-#include "SKP_Silk_perceptual_parameters_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
/* Compute gain to make warped filter coefficients have a zero mean log frequency response on a */
/* non-warped frequency scale. (So that it can be implemented with a minimum-phase monic filter.) */
@@ -43,48 +43,45 @@
for( i = order - 2; i >= 0; i-- ) {
gain_Q24 = SKP_SMLAWB( coefs_Q24[ i ], gain_Q24, lambda_Q16 );
}
- gain_Q24 = SKP_SMLAWB( 1 << 24, gain_Q24, -lambda_Q16 );
+ gain_Q24 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 24 ), gain_Q24, -lambda_Q16 );
return SKP_INVERSE32_varQ( gain_Q24, 40 );
}
-/* Convert warped filter coefficients to monic pseudo-warped coefficients */
-SKP_INLINE void warped_true2monic_coefs(
- SKP_int32 *coefs_Q24,
+/* Convert warped filter coefficients to monic pseudo-warped coefficients and limit maximum */
+/* amplitude of monic warped coefficients by using bandwidth expansion on the true coefficients */
+SKP_INLINE void limit_warped_coefs(
+ SKP_int32 *coefs_syn_Q24,
+ SKP_int32 *coefs_ana_Q24,
SKP_int lambda_Q16,
- SKP_int order
+ SKP_int32 limit_Q24,
+ SKP_int order
) {
- SKP_int i;
- SKP_int32 gain_Q16, nom_Q16, den_Q24;
+ SKP_int i, iter, ind = 0;
+ SKP_int32 tmp, maxabs_Q24, chirp_Q16, gain_syn_Q16, gain_ana_Q16;
+ SKP_int32 nom_Q16, den_Q24;
+ /* Convert to monic coefficients */
lambda_Q16 = -lambda_Q16;
for( i = order - 1; i > 0; i-- ) {
- coefs_Q24[ i - 1 ] = SKP_SMLAWB( coefs_Q24[ i - 1 ], coefs_Q24[ i ], lambda_Q16 );
+ coefs_syn_Q24[ i - 1 ] = SKP_SMLAWB( coefs_syn_Q24[ i - 1 ], coefs_syn_Q24[ i ], lambda_Q16 );
+ coefs_ana_Q24[ i - 1 ] = SKP_SMLAWB( coefs_ana_Q24[ i - 1 ], coefs_ana_Q24[ i ], lambda_Q16 );
}
- nom_Q16 = SKP_SMLAWB( 1 << 16, lambda_Q16, -lambda_Q16 );
- den_Q24 = SKP_SMLAWB( 1 << 24, coefs_Q24[ 0 ], -lambda_Q16 );
- gain_Q16 = SKP_DIV32_varQ( nom_Q16, den_Q24, 24 );
+ lambda_Q16 = -lambda_Q16;
+ nom_Q16 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 16 ), -lambda_Q16, lambda_Q16 );
+ den_Q24 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 24 ), coefs_syn_Q24[ 0 ], lambda_Q16 );
+ gain_syn_Q16 = SKP_DIV32_varQ( nom_Q16, den_Q24, 24 );
+ den_Q24 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 24 ), coefs_ana_Q24[ 0 ], lambda_Q16 );
+ gain_ana_Q16 = SKP_DIV32_varQ( nom_Q16, den_Q24, 24 );
for( i = 0; i < order; i++ ) {
- coefs_Q24[ i ] = SKP_SMULWW( gain_Q16, coefs_Q24[ i ] );
+ coefs_syn_Q24[ i ] = SKP_SMULWW( gain_syn_Q16, coefs_syn_Q24[ i ] );
+ coefs_ana_Q24[ i ] = SKP_SMULWW( gain_ana_Q16, coefs_ana_Q24[ i ] );
}
-}
-/* Limit max amplitude of monic warped coefficients by using bandwidth expansion on the true coefficients */
-SKP_INLINE void limit_warped_coefs(
- SKP_int32 *coefs_syn_Q24,
- SKP_int32 *coefs_ana_Q24,
- SKP_int lambda_Q16,
- SKP_int32 limit_Q24,
- SKP_int order
-) {
- SKP_int i, iter, ind;
- SKP_int32 tmp, maxabs_Q24, chirp_Q16;
-
for( iter = 0; iter < 10; iter++ ) {
/* Find maximum absolute value */
- ind = 1;
- maxabs_Q24 = SKP_abs( coefs_syn_Q24[ ind ] );
- for( i = 2; i < order - 1; i++ ) {
- tmp = SKP_abs( coefs_syn_Q24[ i ] );
+ maxabs_Q24 = -1;
+ for( i = 0; i < order; i++ ) {
+ tmp = SKP_max( SKP_abs_int32( coefs_syn_Q24[ i ] ), SKP_abs_int32( coefs_ana_Q24[ i ] ) );
if( tmp > maxabs_Q24 ) {
maxabs_Q24 = tmp;
ind = i;
@@ -91,14 +88,21 @@
}
}
if( maxabs_Q24 <= limit_Q24 ) {
+ /* Coefficients are within range - done */
return;
}
- /* Convert to true warped coefficients */
+ /* Convert back to true warped coefficients */
for( i = 1; i < order; i++ ) {
coefs_syn_Q24[ i - 1 ] = SKP_SMLAWB( coefs_syn_Q24[ i - 1 ], coefs_syn_Q24[ i ], lambda_Q16 );
coefs_ana_Q24[ i - 1 ] = SKP_SMLAWB( coefs_ana_Q24[ i - 1 ], coefs_ana_Q24[ i ], lambda_Q16 );
}
+ gain_syn_Q16 = SKP_INVERSE32_varQ( gain_syn_Q16, 32 );
+ gain_ana_Q16 = SKP_INVERSE32_varQ( gain_ana_Q16, 32 );
+ for( i = 0; i < order; i++ ) {
+ coefs_syn_Q24[ i ] = SKP_SMULWW( gain_syn_Q16, coefs_syn_Q24[ i ] );
+ coefs_ana_Q24[ i ] = SKP_SMULWW( gain_ana_Q16, coefs_ana_Q24[ i ] );
+ }
/* Apply bandwidth expansion */
chirp_Q16 = SKP_FIX_CONST( 0.99, 16 ) - SKP_DIV32_varQ(
@@ -107,7 +111,7 @@
SKP_Silk_bwexpander_32( coefs_syn_Q24, order, chirp_Q16 );
SKP_Silk_bwexpander_32( coefs_ana_Q24, order, chirp_Q16 );
- /* Convert back to monic warped coefficients */
+ /* Convert to monic warped coefficients */
lambda_Q16 = -lambda_Q16;
for( i = order - 1; i > 0; i-- ) {
coefs_syn_Q24[ i - 1 ] = SKP_SMLAWB( coefs_syn_Q24[ i - 1 ], coefs_syn_Q24[ i ], lambda_Q16 );
@@ -114,7 +118,17 @@
coefs_ana_Q24[ i - 1 ] = SKP_SMLAWB( coefs_ana_Q24[ i - 1 ], coefs_ana_Q24[ i ], lambda_Q16 );
}
lambda_Q16 = -lambda_Q16;
+ nom_Q16 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 16 ), -lambda_Q16, lambda_Q16 );
+ den_Q24 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 24 ), coefs_syn_Q24[ 0 ], lambda_Q16 );
+ gain_syn_Q16 = SKP_DIV32_varQ( nom_Q16, den_Q24, 24 );
+ den_Q24 = SKP_SMLAWB( SKP_FIX_CONST( 1.0, 24 ), coefs_ana_Q24[ 0 ], lambda_Q16 );
+ gain_ana_Q16 = SKP_DIV32_varQ( nom_Q16, den_Q24, 24 );
+ for( i = 0; i < order; i++ ) {
+ coefs_syn_Q24[ i ] = SKP_SMULWW( gain_syn_Q16, coefs_syn_Q24[ i ] );
+ coefs_ana_Q24[ i ] = SKP_SMULWW( gain_ana_Q16, coefs_ana_Q24[ i ] );
+ }
}
+ SKP_assert( 0 );
}
/**************************************************************/
@@ -128,7 +142,7 @@
)
{
SKP_Silk_shape_state_FIX *psShapeSt = &psEnc->sShape;
- SKP_int k, i, nSamples, Qnrg, b_Q14, scale = 0, sz;
+ SKP_int k, i, nSamples, Qnrg, b_Q14, warping_Q16, scale = 0;
SKP_int32 SNR_adj_dB_Q7, HarmBoost_Q16, HarmShapeGain_Q16, Tilt_Q16, tmp32;
SKP_int32 nrg, pre_nrg_Q30, log_energy_Q7, log_energy_prev_Q7, energy_variation_Q7;
SKP_int32 delta_Q16, BWExp1_Q16, BWExp2_Q16, gain_mult_Q16, gain_add_Q16, strength_Q16, b_Q8;
@@ -142,7 +156,7 @@
SKP_int32 sqrt_nrg[ MAX_NB_SUBFR ], Qnrg_vec[ MAX_NB_SUBFR ];
/* Point to start of first LPC analysis block */
- x_ptr = x + psEnc->sCmn.la_shape - SKP_SMULBB( SHAPE_LPC_WIN_MS, psEnc->sCmn.fs_kHz ) + psEnc->sCmn.subfr_length;
+ x_ptr = x - psEnc->sCmn.la_shape;
/****************/
/* CONTROL SNR */
@@ -151,11 +165,12 @@
psEncCtrl->current_SNR_dB_Q7 = psEnc->SNR_dB_Q7;
#else
/* Reduce SNR_dB values if recent bitstream has exceeded TargetRate */
- psEncCtrl->current_SNR_dB_Q7 = psEnc->SNR_dB_Q7 - SKP_SMULWB( SKP_LSHIFT( ( SKP_int32 )psEnc->BufferedInChannel_ms, 7 ), 3277 );
+ psEncCtrl->current_SNR_dB_Q7 = psEnc->SNR_dB_Q7 - SKP_SMULWB( SKP_LSHIFT( ( SKP_int32 )psEnc->BufferedInChannel_ms, 7 ),
+ SKP_FIX_CONST( 0.05, 16 ) );
#endif
/* Reduce SNR_dB if inband FEC used */
- if( psEnc->speech_activity_Q8 > LBRR_SPEECH_ACTIVITY_THRES_Q8 ) {
+ if( psEnc->speech_activity_Q8 > SKP_FIX_CONST( LBRR_SPEECH_ACTIVITY_THRES, 8 ) ) {
psEncCtrl->current_SNR_dB_Q7 -= SKP_RSHIFT( psEnc->inBandFEC_SNR_comp_Q8, 1 );
}
@@ -167,23 +182,24 @@
+ psEncCtrl->input_quality_bands_Q15[ 1 ], 2 );
/* Coding quality level, between 0.0_Q0 and 1.0_Q0, but in Q14 */
- psEncCtrl->coding_quality_Q14 = SKP_RSHIFT( SKP_Silk_sigm_Q15( SKP_RSHIFT_ROUND( psEncCtrl->current_SNR_dB_Q7 - ( 17 << 7 ), 4 ) ), 1 );
+ psEncCtrl->coding_quality_Q14 = SKP_RSHIFT( SKP_Silk_sigm_Q15( SKP_RSHIFT_ROUND( psEncCtrl->current_SNR_dB_Q7 -
+ SKP_FIX_CONST( 18.0, 7 ), 4 ) ), 1 );
/* Reduce coding SNR during low speech activity */
- b_Q8 = ( 1 << 8 ) - psEnc->speech_activity_Q8;
+ b_Q8 = SKP_FIX_CONST( 1.0, 8 ) - psEnc->speech_activity_Q8;
b_Q8 = SKP_SMULWB( SKP_LSHIFT( b_Q8, 8 ), b_Q8 );
SNR_adj_dB_Q7 = SKP_SMLAWB( psEncCtrl->current_SNR_dB_Q7,
- SKP_SMULBB( -BG_SNR_DECR_dB_Q7 >> ( 4 + 1 ), b_Q8 ), // Q11
- SKP_SMULWB( ( 1 << 14 ) + psEncCtrl->input_quality_Q14, psEncCtrl->coding_quality_Q14 ) ); // Q12
+ SKP_SMULBB( SKP_FIX_CONST( -BG_SNR_DECR_dB, 7 ) >> ( 4 + 1 ), b_Q8 ), // Q11
+ SKP_SMULWB( SKP_FIX_CONST( 1.0, 14 ) + psEncCtrl->input_quality_Q14, psEncCtrl->coding_quality_Q14 ) ); // Q12
if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
/* Reduce gains for periodic signals */
- SNR_adj_dB_Q7 = SKP_SMLAWB( SNR_adj_dB_Q7, HARM_SNR_INCR_dB_Q7 << 1, psEnc->LTPCorr_Q15 );
+ SNR_adj_dB_Q7 = SKP_SMLAWB( SNR_adj_dB_Q7, SKP_FIX_CONST( HARM_SNR_INCR_dB, 8 ), psEnc->LTPCorr_Q15 );
} else {
/* For unvoiced signals and low-quality input, adjust the quality slower than SNR_dB setting */
SNR_adj_dB_Q7 = SKP_SMLAWB( SNR_adj_dB_Q7,
- SKP_SMLAWB( 6 << ( 7 + 2 ), -104856, psEncCtrl->current_SNR_dB_Q7 ), //-104856_Q18 = -0.4_Q0, Q9
- ( 1 << 14 ) - psEncCtrl->input_quality_Q14 ); // Q14
+ SKP_SMLAWB( SKP_FIX_CONST( 6.0, 9 ), -SKP_FIX_CONST( 0.4, 18 ), psEncCtrl->current_SNR_dB_Q7 ),
+ SKP_FIX_CONST( 1.0, 14 ) - psEncCtrl->input_quality_Q14 );
}
/*************************/
@@ -212,10 +228,11 @@
pitch_res_ptr += nSamples;
}
- psEncCtrl->sparseness_Q8 = SKP_RSHIFT( SKP_Silk_sigm_Q15( SKP_SMULWB( energy_variation_Q7 - ( 5 << 7 ), 6554 ) ), 7 ); // 6554_Q16 = 0.1_Q0
+ psEncCtrl->sparseness_Q8 = SKP_RSHIFT( SKP_Silk_sigm_Q15( SKP_SMULWB( energy_variation_Q7 -
+ SKP_FIX_CONST( 5.0, 7 ), SKP_FIX_CONST( 0.1, 16 ) ) ), 7 );
/* Set quantization offset depending on sparseness measure */
- if( psEncCtrl->sparseness_Q8 > SPARSENESS_THRESHOLD_QNT_OFFSET_Q8 ) {
+ if( psEncCtrl->sparseness_Q8 > SKP_FIX_CONST( SPARSENESS_THRESHOLD_QNT_OFFSET, 8 ) ) {
psEncCtrl->sCmn.QuantOffsetType = 0;
} else {
psEncCtrl->sCmn.QuantOffsetType = 1;
@@ -222,43 +239,59 @@
}
/* Increase coding SNR for sparse signals */
- SNR_adj_dB_Q7 = SKP_SMLAWB( SNR_adj_dB_Q7, SPARSE_SNR_INCR_dB_Q7 << 8, psEncCtrl->sparseness_Q8 - ( 1 << 7 ) );
+ SNR_adj_dB_Q7 = SKP_SMLAWB( SNR_adj_dB_Q7, SKP_FIX_CONST( SPARSE_SNR_INCR_dB, 15 ), psEncCtrl->sparseness_Q8 - SKP_FIX_CONST( 0.5, 8 ) );
}
/*******************************/
/* Control bandwidth expansion */
/*******************************/
- delta_Q16 = SKP_SMULWB( ( 1 << 16 ) - SKP_SMULBB( 3, psEncCtrl->coding_quality_Q14 ), LOW_RATE_BANDWIDTH_EXPANSION_DELTA_Q16 );
- BWExp1_Q16 = BANDWIDTH_EXPANSION_Q16 - delta_Q16;
- BWExp2_Q16 = BANDWIDTH_EXPANSION_Q16 + delta_Q16;
- if( psEnc->sCmn.fs_kHz == 24 ) {
- /* Less bandwidth expansion for super wideband */
- BWExp1_Q16 = ( 1 << 16 ) - SKP_SMULWB( SWB_BANDWIDTH_EXPANSION_REDUCTION_Q16, ( 1 << 16 ) - BWExp1_Q16 );
- BWExp2_Q16 = ( 1 << 16 ) - SKP_SMULWB( SWB_BANDWIDTH_EXPANSION_REDUCTION_Q16, ( 1 << 16 ) - BWExp2_Q16 );
- }
+ /* More BWE for signals with high prediction gain */
+ strength_Q16 = SKP_SMULWB( psEncCtrl->predGain_Q16, SKP_FIX_CONST( FIND_PITCH_WHITE_NOISE_FRACTION, 16 ) );
+ BWExp1_Q16 = BWExp2_Q16 = SKP_DIV32_varQ( SKP_FIX_CONST( BANDWIDTH_EXPANSION, 16 ),
+ SKP_SMLAWW( SKP_FIX_CONST( 1.0, 16 ), strength_Q16, strength_Q16 ), 16 );
+ delta_Q16 = SKP_SMULWB( SKP_FIX_CONST( 1.0, 16 ) - SKP_SMULBB( 3, psEncCtrl->coding_quality_Q14 ),
+ SKP_FIX_CONST( LOW_RATE_BANDWIDTH_EXPANSION_DELTA, 16 ) );
+ BWExp1_Q16 = SKP_SUB32( BWExp1_Q16, delta_Q16 );
+ BWExp2_Q16 = SKP_ADD32( BWExp2_Q16, delta_Q16 );
/* BWExp1 will be applied after BWExp2, so make it relative */
BWExp1_Q16 = SKP_DIV32_16( SKP_LSHIFT( BWExp1_Q16, 14 ), SKP_RSHIFT( BWExp2_Q16, 2 ) );
- /* Warping coefficient */
- psEncCtrl->sCmn.warping_Q16 = psEnc->sCmn.fs_kHz * WARPING_MULTIPLIER_Q16;
- psEncCtrl->sCmn.warping_Q16 = SKP_min( psEncCtrl->sCmn.warping_Q16, 32767 );
+ if( psEnc->sCmn.warping_Q16 > 0 ) {
+ /* Slightly more warping in analysis will move quantization noise up in frequency, where it's better masked */
+ warping_Q16 = SKP_SMLAWB( psEnc->sCmn.warping_Q16, psEncCtrl->coding_quality_Q14, SKP_FIX_CONST( 0.01, 18 ) );
+ } else {
+ warping_Q16 = 0;
+ }
/********************************************/
/* Compute noise shaping AR coefs and gains */
/********************************************/
- sz = ( SKP_int )SKP_SMULBB( SHAPE_LPC_WIN_MS, psEnc->sCmn.fs_kHz );
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
- /* Apply window */
- SKP_Silk_apply_sine_window( x_windowed, x_ptr, 0, SHAPE_LPC_WIN_MS * psEnc->sCmn.fs_kHz );
+ /* Apply window: sine slope followed by flat part followed by cosine slope */
+ SKP_int shift, slope_part, flat_part;
+ flat_part = psEnc->sCmn.fs_kHz * 3;
+ slope_part = SKP_RSHIFT( psEnc->sCmn.shapeWinLength - flat_part, 1 );
+ SKP_Silk_apply_sine_window( x_windowed, x_ptr, 1, slope_part );
+ shift = slope_part;
+ SKP_memcpy( x_windowed + shift, x_ptr + shift, flat_part * sizeof(SKP_int16) );
+ shift += flat_part;
+ SKP_Silk_apply_sine_window( x_windowed + shift, x_ptr + shift, 2, slope_part );
+
/* Update pointer: next LPC analysis block */
x_ptr += psEnc->sCmn.subfr_length;
- /* Calculate warped auto correlation */
- SKP_Silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, psEncCtrl->sCmn.warping_Q16, sz, psEnc->sCmn.shapingLPCOrder );
+ if( psEnc->sCmn.warping_Q16 > 0 ) {
+ /* Calculate warped auto correlation */
+ SKP_Silk_warped_autocorrelation_FIX( auto_corr, &scale, x_windowed, warping_Q16, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder );
+ } else {
+ /* Calculate regular auto correlation */
+ SKP_Silk_autocorr( auto_corr, &scale, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1 );
+ }
/* Add white noise, as a fraction of energy */
- auto_corr[0] = SKP_ADD32( auto_corr[0], SKP_max_32( SKP_SMULWB( SKP_RSHIFT( auto_corr[ 0 ], 4 ), SHAPE_WHITE_NOISE_FRACTION_Q20 ), 1 ) );
+ auto_corr[0] = SKP_ADD32( auto_corr[0], SKP_max_32( SKP_SMULWB( SKP_RSHIFT( auto_corr[ 0 ], 4 ),
+ SKP_FIX_CONST( SHAPE_WHITE_NOISE_FRACTION, 20 ) ), 1 ) );
/* Calculate the reflection coefficients using schur */
nrg = SKP_Silk_schur64( refl_coef_Q16, auto_corr, psEnc->sCmn.shapingLPCOrder );
@@ -267,26 +300,6 @@
/* Convert reflection coefficients to prediction coefficients */
SKP_Silk_k2a_Q16( AR2_Q24, refl_coef_Q16, psEnc->sCmn.shapingLPCOrder );
- /* Convert residual energy to non-warped scale */
- gain_mult_Q16 = warped_gain( AR2_Q24, psEncCtrl->sCmn.warping_Q16, psEnc->sCmn.shapingLPCOrder );
- gain_mult_Q16 = SKP_SMULWW( gain_mult_Q16, gain_mult_Q16 );
- SKP_assert( gain_mult_Q16 >= 0 ); // If breaking, add dynamic scaling
- nrg = SKP_SMULWW( nrg, gain_mult_Q16 );
- SKP_assert( nrg >= 0 ); // If breaking, add dynamic scaling
-
- /* Bandwidth expansion for synthesis filter shaping */
- SKP_Silk_bwexpander_32( AR2_Q24, psEnc->sCmn.shapingLPCOrder, BWExp2_Q16 );
-
- /* Compute noise shaping filter coefficients */
- SKP_memcpy( AR1_Q24, AR2_Q24, psEnc->sCmn.shapingLPCOrder * sizeof( SKP_int32 ) );
-
- /* Bandwidth expansion for analysis filter shaping */
- SKP_assert( BWExp1_Q16 <= ( 1 << 16 ) ); // If ever breaking, use LPC_stabilize() in these cases to stay within range
- SKP_Silk_bwexpander_32( AR1_Q24, psEnc->sCmn.shapingLPCOrder, BWExp1_Q16 );
-
- /* Increase residual energy */
- nrg = SKP_SMLAWB( nrg, SKP_RSHIFT( auto_corr[ 0 ], 8 ), SHAPE_MIN_ENERGY_RATIO_Q24 );
-
Qnrg = -scale; // range: -12...30
SKP_assert( Qnrg >= -12 );
SKP_assert( Qnrg <= 30 );
@@ -305,6 +318,22 @@
psEncCtrl->Gains_Q16[ k ] = SKP_LSHIFT_SAT32( tmp32, 16 - Qnrg );
+ if( psEnc->sCmn.warping_Q16 > 0 ) {
+ /* Adjust gain for warping */
+ gain_mult_Q16 = warped_gain( AR2_Q24, warping_Q16, psEnc->sCmn.shapingLPCOrder );
+ psEncCtrl->Gains_Q16[ k ] = SKP_SMULWW( psEncCtrl->Gains_Q16[ k ], gain_mult_Q16 );
+ }
+
+ /* Bandwidth expansion for synthesis filter shaping */
+ SKP_Silk_bwexpander_32( AR2_Q24, psEnc->sCmn.shapingLPCOrder, BWExp2_Q16 );
+
+ /* Compute noise shaping filter coefficients */
+ SKP_memcpy( AR1_Q24, AR2_Q24, psEnc->sCmn.shapingLPCOrder * sizeof( SKP_int32 ) );
+
+ /* Bandwidth expansion for analysis filter shaping */
+ SKP_assert( BWExp1_Q16 <= SKP_FIX_CONST( 1.0, 16 ) );
+ SKP_Silk_bwexpander_32( AR1_Q24, psEnc->sCmn.shapingLPCOrder, BWExp1_Q16 );
+
/* Ratio of prediction gains, in energy domain */
SKP_Silk_LPC_inverse_pred_gain_Q24( &pre_nrg_Q30, AR2_Q24, psEnc->sCmn.shapingLPCOrder );
SKP_Silk_LPC_inverse_pred_gain_Q24( &nrg, AR1_Q24, psEnc->sCmn.shapingLPCOrder );
@@ -313,13 +342,9 @@
pre_nrg_Q30 = SKP_LSHIFT32( SKP_SMULWB( pre_nrg_Q30, SKP_FIX_CONST( 0.7, 15 ) ), 1 );
psEncCtrl->GainsPre_Q14[ k ] = ( SKP_int ) SKP_FIX_CONST( 0.3, 14 ) + SKP_DIV32_varQ( pre_nrg_Q30, nrg, 14 );
- /* Convert to monic warped prediction coefficients */
- warped_true2monic_coefs( AR1_Q24, psEncCtrl->sCmn.warping_Q16, psEnc->sCmn.shapingLPCOrder );
- warped_true2monic_coefs( AR2_Q24, psEncCtrl->sCmn.warping_Q16, psEnc->sCmn.shapingLPCOrder );
+ /* Convert to monic warped prediction coefficients and limit absolute values */
+ limit_warped_coefs( AR2_Q24, AR1_Q24, warping_Q16, SKP_FIX_CONST( 3.999, 24 ), psEnc->sCmn.shapingLPCOrder );
- /* Limit absolute values */
- limit_warped_coefs( AR2_Q24, AR1_Q24, psEncCtrl->sCmn.warping_Q16, SKP_FIX_CONST( 3.999, 24 ), psEnc->sCmn.shapingLPCOrder );
-
/* Convert from Q24 to Q13 and store in int16 */
for( i = 0; i < psEnc->sCmn.shapingLPCOrder; i++ ) {
psEncCtrl->AR1_Q13[ k * MAX_SHAPE_LPC_ORDER + i ] = (SKP_int16)SKP_SAT16( SKP_RSHIFT_ROUND( AR1_Q24[ i ], 11 ) );
@@ -331,9 +356,9 @@
/* Gain tweaking */
/*****************/
/* Increase gains during low speech activity and put lower limit on gains */
- gain_mult_Q16 = SKP_Silk_log2lin( -SKP_SMLAWB( -16 << 7, SNR_adj_dB_Q7, 10486 ) ); // 10486_Q16 = 0.16_Q0
- gain_add_Q16 = SKP_Silk_log2lin( SKP_SMLAWB( 16 << 7, NOISE_FLOOR_dB_Q7, 10486 ) ); // 10486_Q16 = 0.16_Q0
- tmp32 = SKP_Silk_log2lin( SKP_SMLAWB( 16 << 7, RELATIVE_MIN_GAIN_dB_Q7, 10486 ) ); // 10486_Q16 = 0.16_Q0
+ gain_mult_Q16 = SKP_Silk_log2lin( -SKP_SMLAWB( -SKP_FIX_CONST( 16.0, 7 ), SNR_adj_dB_Q7, SKP_FIX_CONST( 0.16, 16 ) ) );
+ gain_add_Q16 = SKP_Silk_log2lin( SKP_SMLAWB( SKP_FIX_CONST( 16.0, 7 ), SKP_FIX_CONST( NOISE_FLOOR_dB, 7 ), SKP_FIX_CONST( 0.16, 16 ) ) );
+ tmp32 = SKP_Silk_log2lin( SKP_SMLAWB( SKP_FIX_CONST( 16.0, 7 ), SKP_FIX_CONST( RELATIVE_MIN_GAIN_dB, 7 ), SKP_FIX_CONST( 0.16, 16 ) ) );
tmp32 = SKP_SMULWW( psEnc->avgGain_Q16, tmp32 );
gain_add_Q16 = SKP_ADD_SAT32( gain_add_Q16, tmp32 );
SKP_assert( gain_mult_Q16 >= 0 );
@@ -349,33 +374,13 @@
psEnc->avgGain_Q16,
SKP_SMULWB(
psEncCtrl->Gains_Q16[ k ] - psEnc->avgGain_Q16,
- SKP_RSHIFT_ROUND( SKP_SMULBB( psEnc->speech_activity_Q8, GAIN_SMOOTHING_COEF_Q10 ), 2 )
+ SKP_RSHIFT_ROUND( SKP_SMULBB( psEnc->speech_activity_Q8, SKP_FIX_CONST( GAIN_SMOOTHING_COEF, 10 ) ), 2 )
) );
}
- /************************************************/
- /* Decrease level during fricatives (de-essing) */
- /************************************************/
- gain_mult_Q16 = ( 1 << 16 ) + SKP_RSHIFT_ROUND( SKP_MLA( INPUT_TILT_Q26, psEncCtrl->coding_quality_Q14, HIGH_RATE_INPUT_TILT_Q12 ), 10 );
+ gain_mult_Q16 = SKP_FIX_CONST( 1.0, 16 ) + SKP_RSHIFT_ROUND( SKP_MLA( SKP_FIX_CONST( INPUT_TILT, 26 ),
+ psEncCtrl->coding_quality_Q14, SKP_FIX_CONST( HIGH_RATE_INPUT_TILT, 12 ) ), 10 );
- if( psEncCtrl->input_tilt_Q15 <= 0 && psEncCtrl->sCmn.sigtype == SIG_TYPE_UNVOICED ) {
- if( psEnc->sCmn.fs_kHz == 24 ) {
- SKP_int32 essStrength_Q15 = SKP_SMULWW( -psEncCtrl->input_tilt_Q15,
- SKP_SMULBB( psEnc->speech_activity_Q8, ( 1 << 8 ) - psEncCtrl->sparseness_Q8 ) );
- tmp32 = SKP_Silk_log2lin( ( 16 << 7 ) - SKP_SMULWB( essStrength_Q15,
- SKP_SMULWB( DE_ESSER_COEF_SWB_dB_Q7, 20972 ) ) ); // 20972_Q17 = 0.16_Q0
- gain_mult_Q16 = SKP_SMULWW( gain_mult_Q16, tmp32 );
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- SKP_int32 essStrength_Q15 = SKP_SMULWW(-psEncCtrl->input_tilt_Q15,
- SKP_SMULBB( psEnc->speech_activity_Q8, ( 1 << 8 ) - psEncCtrl->sparseness_Q8 ));
- tmp32 = SKP_Silk_log2lin( ( 16 << 7 ) - SKP_SMULWB( essStrength_Q15,
- SKP_SMULWB( DE_ESSER_COEF_WB_dB_Q7, 20972 ) ) ); // 20972_Q17 = 0.16_Q0
- gain_mult_Q16 = SKP_SMULWW( gain_mult_Q16, tmp32 );
- } else {
- SKP_assert( psEnc->sCmn.fs_kHz == 12 || psEnc->sCmn.fs_kHz == 8 );
- }
- }
-
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
psEncCtrl->GainsPre_Q14[ k ] = SKP_SMULWB( gain_mult_Q16, psEncCtrl->GainsPre_Q14[ k ] );
}
@@ -384,29 +389,32 @@
/* Control low-frequency shaping and noise tilt */
/************************************************/
/* Less low frequency shaping for noisy inputs */
- strength_Q16 = SKP_MUL( LOW_FREQ_SHAPING_Q0, ( 1 << 16 ) + SKP_SMULBB( LOW_QUALITY_LOW_FREQ_SHAPING_DECR_Q1, psEncCtrl->input_quality_bands_Q15[ 0 ] - ( 1 << 15 ) ) );
+ strength_Q16 = SKP_MUL( SKP_FIX_CONST( LOW_FREQ_SHAPING, 0 ), SKP_FIX_CONST( 1.0, 16 ) +
+ SKP_SMULBB( SKP_FIX_CONST( LOW_QUALITY_LOW_FREQ_SHAPING_DECR, 1 ), psEncCtrl->input_quality_bands_Q15[ 0 ] - SKP_FIX_CONST( 1.0, 15 ) ) );
if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
/* Reduce low frequencies quantization noise for periodic signals, depending on pitch lag */
/*f = 400; freqz([1, -0.98 + 2e-4 * f], [1, -0.97 + 7e-4 * f], 2^12, Fs); axis([0, 1000, -10, 1])*/
- SKP_int fs_kHz_inv = SKP_DIV32_16( 3277, psEnc->sCmn.fs_kHz ); // 0.2_Q0 = 3277_Q14
+ SKP_int fs_kHz_inv = SKP_DIV32_16( SKP_FIX_CONST( 0.2, 14 ), psEnc->sCmn.fs_kHz );
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
- b_Q14 = fs_kHz_inv + SKP_DIV32_16( ( 3 << 14 ), psEncCtrl->sCmn.pitchL[ k ] );
+ b_Q14 = fs_kHz_inv + SKP_DIV32_16( SKP_FIX_CONST( 3.0, 14 ), psEncCtrl->sCmn.pitchL[ k ] );
/* Pack two coefficients in one int32 */
- psEncCtrl->LF_shp_Q14[ k ] = SKP_LSHIFT( ( 1 << 14 ) - b_Q14 - SKP_SMULWB( strength_Q16, b_Q14 ), 16 );
- psEncCtrl->LF_shp_Q14[ k ] |= (SKP_uint16)( b_Q14 - ( 1 << 14 ) );
+ psEncCtrl->LF_shp_Q14[ k ] = SKP_LSHIFT( SKP_FIX_CONST( 1.0, 14 ) - b_Q14 - SKP_SMULWB( strength_Q16, b_Q14 ), 16 );
+ psEncCtrl->LF_shp_Q14[ k ] |= (SKP_uint16)( b_Q14 - SKP_FIX_CONST( 1.0, 14 ) );
}
- SKP_assert( HARM_HP_NOISE_COEF_Q24 < ( 1 << 23 ) ); // Guarantees that second argument to SMULWB() is within range of an SKP_int16
- Tilt_Q16 = - HP_NOISE_COEF_Q16 -
- SKP_SMULWB( ( 1 << 16 ) - HP_NOISE_COEF_Q16, SKP_SMULWB( HARM_HP_NOISE_COEF_Q24, psEnc->speech_activity_Q8 ) );
+ SKP_assert( SKP_FIX_CONST( HARM_HP_NOISE_COEF, 24 ) < SKP_FIX_CONST( 0.5, 24 ) ); // Guarantees that second argument to SMULWB() is within range of an SKP_int16
+ Tilt_Q16 = - SKP_FIX_CONST( HP_NOISE_COEF, 16 ) -
+ SKP_SMULWB( SKP_FIX_CONST( 1.0, 16 ) - SKP_FIX_CONST( HP_NOISE_COEF, 16 ),
+ SKP_SMULWB( SKP_FIX_CONST( HARM_HP_NOISE_COEF, 24 ), psEnc->speech_activity_Q8 ) );
} else {
b_Q14 = SKP_DIV32_16( 21299, psEnc->sCmn.fs_kHz ); // 1.3_Q0 = 21299_Q14
/* Pack two coefficients in one int32 */
- psEncCtrl->LF_shp_Q14[ 0 ] = SKP_LSHIFT( ( 1 << 14 ) - b_Q14 - SKP_SMULWB( strength_Q16, SKP_SMULWB( 39322, b_Q14 ) ), 16 ); // 0.6_Q0 = 39322_Q16
- psEncCtrl->LF_shp_Q14[ 0 ] |= (SKP_uint16)( b_Q14 - ( 1 << 14 ) );
+ psEncCtrl->LF_shp_Q14[ 0 ] = SKP_LSHIFT( SKP_FIX_CONST( 1.0, 14 ) - b_Q14 -
+ SKP_SMULWB( strength_Q16, SKP_SMULWB( SKP_FIX_CONST( 0.6, 16 ), b_Q14 ) ), 16 );
+ psEncCtrl->LF_shp_Q14[ 0 ] |= (SKP_uint16)( b_Q14 - SKP_FIX_CONST( 1.0, 14 ) );
for( k = 1; k < psEnc->sCmn.nb_subfr; k++ ) {
- psEncCtrl->LF_shp_Q14[ k ] = psEncCtrl->LF_shp_Q14[ k - 1 ];
+ psEncCtrl->LF_shp_Q14[ k ] = psEncCtrl->LF_shp_Q14[ 0 ];
}
- Tilt_Q16 = -HP_NOISE_COEF_Q16;
+ Tilt_Q16 = -SKP_FIX_CONST( HP_NOISE_COEF, 16 );
}
/****************************/
@@ -413,18 +421,18 @@
/* HARMONIC SHAPING CONTROL */
/****************************/
/* Control boosting of harmonic frequencies */
- HarmBoost_Q16 = SKP_SMULWB( SKP_SMULWB( ( 1 << 17 ) - SKP_LSHIFT( psEncCtrl->coding_quality_Q14, 3 ),
- psEnc->LTPCorr_Q15 ), LOW_RATE_HARMONIC_BOOST_Q16 );
+ HarmBoost_Q16 = SKP_SMULWB( SKP_SMULWB( SKP_FIX_CONST( 1.0, 17 ) - SKP_LSHIFT( psEncCtrl->coding_quality_Q14, 3 ),
+ psEnc->LTPCorr_Q15 ), SKP_FIX_CONST( LOW_RATE_HARMONIC_BOOST, 16 ) );
/* More harmonic boost for noisy input signals */
HarmBoost_Q16 = SKP_SMLAWB( HarmBoost_Q16,
- ( 1 << 16 ) - SKP_LSHIFT( psEncCtrl->input_quality_Q14, 2 ), LOW_INPUT_QUALITY_HARMONIC_BOOST_Q16 );
+ SKP_FIX_CONST( 1.0, 16 ) - SKP_LSHIFT( psEncCtrl->input_quality_Q14, 2 ), SKP_FIX_CONST( LOW_INPUT_QUALITY_HARMONIC_BOOST, 16 ) );
if( USE_HARM_SHAPING && psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
/* More harmonic noise shaping for high bitrates or noisy input */
- HarmShapeGain_Q16 = SKP_SMLAWB( HARMONIC_SHAPING_Q16,
- ( 1 << 16 ) - SKP_SMULWB( ( 1 << 18 ) - SKP_LSHIFT( psEncCtrl->coding_quality_Q14, 4 ),
- psEncCtrl->input_quality_Q14 ), HIGH_RATE_OR_LOW_QUALITY_HARMONIC_SHAPING_Q16 );
+ HarmShapeGain_Q16 = SKP_SMLAWB( SKP_FIX_CONST( HARMONIC_SHAPING, 16 ),
+ SKP_FIX_CONST( 1.0, 16 ) - SKP_SMULWB( SKP_FIX_CONST( 1.0, 18 ) - SKP_LSHIFT( psEncCtrl->coding_quality_Q14, 4 ),
+ psEncCtrl->input_quality_Q14 ), SKP_FIX_CONST( HIGH_RATE_OR_LOW_QUALITY_HARMONIC_SHAPING, 16 ) );
/* Less harmonic noise shaping for less periodic signals */
HarmShapeGain_Q16 = SKP_SMULWB( SKP_LSHIFT( HarmShapeGain_Q16, 1 ),
@@ -438,11 +446,11 @@
/*************************/
for( k = 0; k < MAX_NB_SUBFR; k++ ) {
psShapeSt->HarmBoost_smth_Q16 =
- SKP_SMLAWB( psShapeSt->HarmBoost_smth_Q16, HarmBoost_Q16 - psShapeSt->HarmBoost_smth_Q16, SUBFR_SMTH_COEF_Q16 );
+ SKP_SMLAWB( psShapeSt->HarmBoost_smth_Q16, HarmBoost_Q16 - psShapeSt->HarmBoost_smth_Q16, SKP_FIX_CONST( SUBFR_SMTH_COEF, 16 ) );
psShapeSt->HarmShapeGain_smth_Q16 =
- SKP_SMLAWB( psShapeSt->HarmShapeGain_smth_Q16, HarmShapeGain_Q16 - psShapeSt->HarmShapeGain_smth_Q16, SUBFR_SMTH_COEF_Q16 );
+ SKP_SMLAWB( psShapeSt->HarmShapeGain_smth_Q16, HarmShapeGain_Q16 - psShapeSt->HarmShapeGain_smth_Q16, SKP_FIX_CONST( SUBFR_SMTH_COEF, 16 ) );
psShapeSt->Tilt_smth_Q16 =
- SKP_SMLAWB( psShapeSt->Tilt_smth_Q16, Tilt_Q16 - psShapeSt->Tilt_smth_Q16, SUBFR_SMTH_COEF_Q16 );
+ SKP_SMLAWB( psShapeSt->Tilt_smth_Q16, Tilt_Q16 - psShapeSt->Tilt_smth_Q16, SKP_FIX_CONST( SUBFR_SMTH_COEF, 16 ) );
psEncCtrl->HarmBoost_Q14[ k ] = ( SKP_int )SKP_RSHIFT_ROUND( psShapeSt->HarmBoost_smth_Q16, 2 );
psEncCtrl->HarmShapeGain_Q14[ k ] = ( SKP_int )SKP_RSHIFT_ROUND( psShapeSt->HarmShapeGain_smth_Q16, 2 );
--- a/src_FIX/SKP_Silk_prefilter_FIX.c
+++ b/src_FIX/SKP_Silk_prefilter_FIX.c
@@ -26,7 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
-#include "SKP_Silk_perceptual_parameters_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
/* SKP_Silk_prefilter. Prefilter for finding Quantizer input signal */
SKP_INLINE void SKP_Silk_prefilt_FIX(
@@ -120,15 +120,15 @@
AR1_shp_Q13 = &psEncCtrl->AR1_Q13[ k * MAX_SHAPE_LPC_ORDER ];
/* Short term FIR filtering*/
- SKP_Silk_warped_LPC_analysis_filter_FIX( P->sAR_shp1, st_res, AR1_shp_Q13, px,
- psEncCtrl->sCmn.warping_Q16, psEnc->sCmn.subfr_length, psEnc->sCmn.shapingLPCOrder );
+ SKP_Silk_warped_LPC_analysis_filter_FIX( P->sAR_shp, st_res, AR1_shp_Q13, px,
+ psEnc->sCmn.warping_Q16, psEnc->sCmn.subfr_length, psEnc->sCmn.shapingLPCOrder );
/* reduce (mainly) low frequencies during harmonic emphasis */
B_Q12[ 0 ] = SKP_RSHIFT_ROUND( psEncCtrl->GainsPre_Q14[ k ], 2 );
- tmp_32 = SKP_SMLABB( INPUT_TILT_Q26, psEncCtrl->HarmBoost_Q14[ k ], HarmShapeGain_Q12 ); /* Q26 */
- tmp_32 = SKP_SMLABB( tmp_32, psEncCtrl->coding_quality_Q14, HIGH_RATE_INPUT_TILT_Q12 ); /* Q26 */
- tmp_32 = SKP_SMULWB( tmp_32, -psEncCtrl->GainsPre_Q14[ k ] ); /* Q24 */
- tmp_32 = SKP_RSHIFT_ROUND( tmp_32, 12 ); /* Q12 */
+ tmp_32 = SKP_SMLABB( SKP_FIX_CONST( INPUT_TILT, 26 ), psEncCtrl->HarmBoost_Q14[ k ], HarmShapeGain_Q12 ); /* Q26 */
+ tmp_32 = SKP_SMLABB( tmp_32, psEncCtrl->coding_quality_Q14, SKP_FIX_CONST( HIGH_RATE_INPUT_TILT, 12 ) ); /* Q26 */
+ tmp_32 = SKP_SMULWB( tmp_32, -psEncCtrl->GainsPre_Q14[ k ] ); /* Q24 */
+ tmp_32 = SKP_RSHIFT_ROUND( tmp_32, 12 ); /* Q12 */
B_Q12[ 1 ]= SKP_SAT16( tmp_32 );
x_filt_Q12[ 0 ] = SKP_SMLABB( SKP_SMULBB( st_res[ 0 ], B_Q12[ 0 ] ), P->sHarmHP, B_Q12[ 1 ] );
@@ -165,10 +165,10 @@
SKP_int16 *LTP_shp_buf;
/* To speed up use temp variables instead of using the struct */
- LTP_shp_buf = P->sLTP_shp1;
- LTP_shp_buf_idx = P->sLTP_shp_buf_idx1;
- sLF_AR_shp_Q12 = P->sLF_AR_shp1_Q12;
- sLF_MA_shp_Q12 = P->sLF_MA_shp1_Q12;
+ LTP_shp_buf = P->sLTP_shp;
+ LTP_shp_buf_idx = P->sLTP_shp_buf_idx;
+ sLF_AR_shp_Q12 = P->sLF_AR_shp_Q12;
+ sLF_MA_shp_Q12 = P->sLF_MA_shp_Q12;
for( i = 0; i < length; i++ ) {
if( lag > 0 ) {
@@ -195,7 +195,7 @@
}
/* Copy temp variable back to state */
- P->sLF_AR_shp1_Q12 = sLF_AR_shp_Q12;
- P->sLF_MA_shp1_Q12 = sLF_MA_shp_Q12;
- P->sLTP_shp_buf_idx1 = LTP_shp_buf_idx;
+ P->sLF_AR_shp_Q12 = sLF_AR_shp_Q12;
+ P->sLF_MA_shp_Q12 = sLF_MA_shp_Q12;
+ P->sLTP_shp_buf_idx = LTP_shp_buf_idx;
}
--- a/src_FIX/SKP_Silk_process_gains_FIX.c
+++ b/src_FIX/SKP_Silk_process_gains_FIX.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
/* Processing of gains */
void SKP_Silk_process_gains_FIX(
@@ -35,12 +36,12 @@
{
SKP_Silk_shape_state_FIX *psShapeSt = &psEnc->sShape;
SKP_int k;
- SKP_int32 s_Q16, InvMaxSqrVal_Q16, gain, gain_squared, ResNrg, ResNrgPart;
+ SKP_int32 s_Q16, InvMaxSqrVal_Q16, gain, gain_squared, ResNrg, ResNrgPart, quant_offset_Q10;
/* Gain reduction when LTP coding gain is high */
if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
/*s = -0.5f * SKP_sigmoid( 0.25f * ( psEncCtrl->LTPredCodGain - 12.0f ) ); */
- s_Q16 = -SKP_Silk_sigm_Q15( SKP_RSHIFT_ROUND( psEncCtrl->LTPredCodGain_Q7 - (12 << 7), 4 ) );
+ s_Q16 = -SKP_Silk_sigm_Q15( SKP_RSHIFT_ROUND( psEncCtrl->LTPredCodGain_Q7 - SKP_FIX_CONST( 12.0, 7 ), 4 ) );
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
psEncCtrl->Gains_Q16[ k ] = SKP_SMLAWB( psEncCtrl->Gains_Q16[ k ], psEncCtrl->Gains_Q16[ k ], s_Q16 );
}
@@ -47,9 +48,8 @@
}
/* Limit the quantized signal */
- /* 69 = 21.0f + 16/0.33 */
InvMaxSqrVal_Q16 = SKP_DIV32_16( SKP_Silk_log2lin(
- SKP_SMULWB( (69 << 7) - psEncCtrl->current_SNR_dB_Q7, SKP_FIX_CONST( 0.33, 16 )) ), psEnc->sCmn.subfr_length );
+ SKP_SMULWB( SKP_FIX_CONST( 70.0, 7 ) - psEncCtrl->current_SNR_dB_Q7, SKP_FIX_CONST( 0.33, 16 ) ) ), psEnc->sCmn.subfr_length );
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
/* Soft limit on ratio residual energy and squared gains */
@@ -74,10 +74,10 @@
/* recalculate with higher precision */
gain_squared = SKP_SMLAWW( SKP_LSHIFT( ResNrgPart, 16 ), gain, gain );
SKP_assert( gain_squared > 0 );
- gain = SKP_Silk_SQRT_APPROX( gain_squared ); /* Q8 */
+ gain = SKP_Silk_SQRT_APPROX( gain_squared ); /* Q8 */
psEncCtrl->Gains_Q16[ k ] = SKP_LSHIFT_SAT32( gain, 8 ); /* Q16 */
} else {
- gain = SKP_Silk_SQRT_APPROX( gain_squared ); /* Q0 */
+ gain = SKP_Silk_SQRT_APPROX( gain_squared ); /* Q0 */
psEncCtrl->Gains_Q16[ k ] = SKP_LSHIFT_SAT32( gain, 16 ); /* Q16 */
}
}
@@ -87,7 +87,7 @@
&psShapeSt->LastGainIndex, psEnc->sCmn.nFramesInPayloadBuf, psEnc->sCmn.nb_subfr );
/* Set quantizer offset for voiced signals. Larger offset when LTP coding gain is low or tilt is high (ie low-pass) */
if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
- if( psEncCtrl->LTPredCodGain_Q7 + SKP_RSHIFT( psEncCtrl->input_tilt_Q15, 8 ) > ( 1 << 7 ) ) {
+ if( psEncCtrl->LTPredCodGain_Q7 + SKP_RSHIFT( psEncCtrl->input_tilt_Q15, 8 ) > SKP_FIX_CONST( 1.0, 7 ) ) {
psEncCtrl->sCmn.QuantOffsetType = 0;
} else {
psEncCtrl->sCmn.QuantOffsetType = 1;
@@ -95,19 +95,14 @@
}
/* Quantizer boundary adjustment */
- if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
- psEncCtrl->Lambda_Q10 = SKP_FIX_CONST( 1.2, 10 )
- - SKP_SMULWB( SKP_FIX_CONST( 0.4, 18 ), psEnc->speech_activity_Q8 )
- - SKP_SMULWB( SKP_FIX_CONST( 0.3, 12 ), psEncCtrl->input_quality_Q14 )
- + SKP_SMULBB( SKP_FIX_CONST( 0.2, 10 ), psEncCtrl->sCmn.QuantOffsetType )
- - SKP_SMULWB( SKP_FIX_CONST( 0.1, 12 ), psEncCtrl->coding_quality_Q14 );
- } else {
- psEncCtrl->Lambda_Q10 = SKP_FIX_CONST( 1.2, 10 )
- - SKP_SMULWB( SKP_FIX_CONST( 0.4, 18 ), psEnc->speech_activity_Q8 )
- - SKP_SMULWB( SKP_FIX_CONST( 0.4, 12 ), psEncCtrl->input_quality_Q14 )
- + SKP_SMULBB( SKP_FIX_CONST( 0.4, 10 ), psEncCtrl->sCmn.QuantOffsetType )
- - SKP_SMULWB( SKP_FIX_CONST( 0.1, 12 ), psEncCtrl->coding_quality_Q14 );
- }
- SKP_assert( psEncCtrl->Lambda_Q10 >= 0 );
+ quant_offset_Q10 = SKP_Silk_Quantization_Offsets_Q10[ psEncCtrl->sCmn.sigtype ][ psEncCtrl->sCmn.QuantOffsetType ];
+ psEncCtrl->Lambda_Q10 = SKP_FIX_CONST( LAMBDA_OFFSET, 10 )
+ + SKP_SMULBB( SKP_FIX_CONST( LAMBDA_DELAYED_DECISIONS, 10 ), psEnc->sCmn.nStatesDelayedDecision )
+ + SKP_SMULWB( SKP_FIX_CONST( LAMBDA_SPEECH_ACT, 18 ), psEnc->speech_activity_Q8 )
+ + SKP_SMULWB( SKP_FIX_CONST( LAMBDA_INPUT_QUALITY, 12 ), psEncCtrl->input_quality_Q14 )
+ + SKP_SMULWB( SKP_FIX_CONST( LAMBDA_CODING_QUALITY, 12 ), psEncCtrl->coding_quality_Q14 )
+ + SKP_SMULWB( SKP_FIX_CONST( LAMBDA_QUANT_OFFSET, 16 ), quant_offset_Q10 );
+
+ SKP_assert( psEncCtrl->Lambda_Q10 > 0 );
SKP_assert( psEncCtrl->Lambda_Q10 < SKP_FIX_CONST( 2, 10 ) );
}
--- a/src_FIX/SKP_Silk_solve_LS_FIX.c
+++ b/src_FIX/SKP_Silk_solve_LS_FIX.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FIX.h"
+#include "SKP_Silk_tuning_parameters.h"
/*****************************/
/* Internal function headers */
@@ -120,7 +121,7 @@
SKP_assert( M <= MAX_MATRIX_SIZE );
status = 1;
- diag_min_value = SKP_max_32( SKP_SMMUL( SKP_ADD_SAT32( A[ 0 ], A[ SKP_SMULBB( M, M ) - 1 ] ), FIND_LTP_COND_FAC_Q31 ), 1 << 9 );
+ diag_min_value = SKP_max_32( SKP_SMMUL( SKP_ADD_SAT32( A[ 0 ], A[ SKP_SMULBB( M, M ) - 1 ] ), SKP_FIX_CONST( FIND_LTP_COND_FAC, 31 ) ), 1 << 9 );
for( loop_count = 0; loop_count < M && status == 1; loop_count++ ) {
status = 0;
for( j = 0; j < M; j++ ) {
--- a/src_FIX/SKP_Silk_structs_FIX.h
+++ b/src_FIX/SKP_Silk_structs_FIX.h
@@ -29,7 +29,6 @@
#define SKP_SILK_STRUCTS_FIX_H
#include "SKP_Silk_typedef.h"
-#include "SKP_Silk_define_FIX.h"
#include "SKP_Silk_main.h"
#include "SKP_Silk_structs.h"
@@ -52,17 +51,11 @@
/* Prefilter state */
/********************************/
typedef struct {
- SKP_int16 sLTP_shp1[ LTP_BUF_LENGTH ];
- SKP_int32 sAR_shp1[ MAX_SHAPE_LPC_ORDER + 1 ];
- SKP_int32 sAR_shp2_Q14[ MAX_SHAPE_LPC_ORDER ];
- SKP_int16 sLTP_shp2_FIX[ LTP_BUF_LENGTH ];
- SKP_int sLTP_shp_buf_idx1;
- SKP_int sAR_shp_buf_idx2;
- SKP_int sLTP_shp_buf_idx2;
- SKP_int32 sLF_AR_shp1_Q12;
- SKP_int32 sLF_MA_shp1_Q12;
- SKP_int32 sLF_AR_shp2_Q12;
- SKP_int32 sLF_MA_shp2_Q12;
+ SKP_int16 sLTP_shp[ LTP_BUF_LENGTH ];
+ SKP_int32 sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
+ SKP_int sLTP_shp_buf_idx;
+ SKP_int32 sLF_AR_shp_Q12;
+ SKP_int32 sLF_MA_shp_Q12;
SKP_int sHarmHP;
SKP_int32 rand_seed;
SKP_int lagPrev;
@@ -96,7 +89,7 @@
SKP_Silk_nsq_state sNSQ_LBRR; /* Noise Shape Quantizer State ( for low bitrate redundancy ) */
/* Buffer for find pitch and noise shape analysis */
- SKP_array_of_int16_4_byte_aligned( x_buf, 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX );
+ SKP_DWORD_ALIGN SKP_int16 x_buf[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];
SKP_int LTPCorr_Q15; /* Normalized correlation from pitch lag estimator */
SKP_int mu_LTP_Q8; /* Rate-distortion tradeoff in LTP quantization */
SKP_int32 SNR_dB_Q7; /* Quality setting */
@@ -104,7 +97,6 @@
SKP_int32 avgGain_Q16_one_bit_per_sample; /* average gain during active speech */
SKP_int BufferedInChannel_ms; /* Simulated number of ms buffer because of exceeded TargetRate_bps */
SKP_int speech_activity_Q8; /* Speech activity in Q8 */
- SKP_int32 pitchEstimationThreshold_Q16; /* Threshold for pitch estimator */
/* Parameters For LTP scaling Control */
SKP_int prevLTPredCodGain_Q7;
@@ -122,14 +114,14 @@
/* Prediction and coding parameters */
SKP_int32 Gains_Q16[ MAX_NB_SUBFR ];
- SKP_array_of_int16_4_byte_aligned( PredCoef_Q12[ 2 ], MAX_LPC_ORDER );
+ SKP_DWORD_ALIGN SKP_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ];
SKP_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ];
SKP_int LTP_scale_Q14;
/* Noise shaping parameters */
/* Testing */
- SKP_array_of_int16_4_byte_aligned( AR1_Q13, MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER );
- SKP_array_of_int16_4_byte_aligned( AR2_Q13, MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER );
+ SKP_DWORD_ALIGN SKP_int16 AR1_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
+ SKP_DWORD_ALIGN SKP_int16 AR2_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ];
SKP_int32 LF_shp_Q14[ MAX_NB_SUBFR ]; /* Packs two int16 coefficients per int32 value */
SKP_int GainsPre_Q14[ MAX_NB_SUBFR ];
SKP_int HarmBoost_Q14[ MAX_NB_SUBFR ];
@@ -143,6 +135,7 @@
/* measures */
SKP_int sparseness_Q8;
+ SKP_int32 predGain_Q16;
SKP_int LTPredCodGain_Q7;
SKP_int input_quality_bands_Q15[ VAD_N_BANDS ];
SKP_int input_tilt_Q15;
--- a/src_FIX/SKP_Silk_warped_autocorrelation_FIX.c
+++ b/src_FIX/SKP_Silk_warped_autocorrelation_FIX.c
@@ -28,6 +28,7 @@
#include "SKP_Silk_main_FIX.h"
#define QC 10
+#define QS 14
/* Autocorrelations for a warped frequency axis */
void SKP_Silk_warped_autocorrelation_FIX(
@@ -34,35 +35,36 @@
SKP_int32 *corr, /* O Result [order + 1] */
SKP_int *scale, /* O Scaling of the correlation vector */
const SKP_int16 *input, /* I Input data to correlate */
- const SKP_int16 warping_Q16, /* I Warping coefficient */
+ const SKP_int warping_Q16, /* I Warping coefficient */
const SKP_int length, /* I Length of input */
const SKP_int order /* I Correlation order (even) */
)
{
SKP_int n, i, lsh;
- SKP_int32 tmp1_Q16, tmp2_Q16;
- SKP_int32 state_Q16[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0 };
- SKP_int64 corr_QC[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0 };
+ SKP_int32 tmp1_QS, tmp2_QS;
+ SKP_int32 state_QS[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0 };
+ SKP_int64 corr_QC[ MAX_SHAPE_LPC_ORDER + 1 ] = { 0 };
/* Order must be even */
SKP_assert( ( order & 1 ) == 0 );
+ SKP_assert( 2 * QS - QC >= 0 );
/* Loop over samples */
for( n = 0; n < length; n++ ) {
- tmp1_Q16 = SKP_LSHIFT32( ( SKP_int32 )input[ n ], 16 );
+ tmp1_QS = SKP_LSHIFT32( ( SKP_int32 )input[ n ], QS );
/* Loop over allpass sections */
for( i = 0; i < order; i += 2 ) {
/* Output of allpass section */
- tmp2_Q16 = SKP_SMLAWB( state_Q16[ i ], state_Q16[ i + 1 ] - tmp1_Q16, warping_Q16 );
- state_Q16[ i ] = tmp1_Q16;
- corr_QC[ i ] += SKP_RSHIFT64( SKP_SMULL( tmp1_Q16, state_Q16[ 0 ] ), 32 - QC );
+ tmp2_QS = SKP_SMLAWB( state_QS[ i ], state_QS[ i + 1 ] - tmp1_QS, warping_Q16 );
+ state_QS[ i ] = tmp1_QS;
+ corr_QC[ i ] += SKP_RSHIFT64( SKP_SMULL( tmp1_QS, state_QS[ 0 ] ), 2 * QS - QC );
/* Output of allpass section */
- tmp1_Q16 = SKP_SMLAWB( state_Q16[ i + 1 ], state_Q16[ i + 2 ] - tmp2_Q16, warping_Q16 );
- state_Q16[ i + 1 ] = tmp2_Q16;
- corr_QC[ i + 1 ] += SKP_RSHIFT64( SKP_SMULL( tmp2_Q16, state_Q16[ 0 ] ), 32 - QC );
+ tmp1_QS = SKP_SMLAWB( state_QS[ i + 1 ], state_QS[ i + 2 ] - tmp2_QS, warping_Q16 );
+ state_QS[ i + 1 ] = tmp2_QS;
+ corr_QC[ i + 1 ] += SKP_RSHIFT64( SKP_SMULL( tmp2_QS, state_QS[ 0 ] ), 2 * QS - QC );
}
- state_Q16[ order ] = tmp1_Q16;
- corr_QC[ order ] += SKP_RSHIFT64( SKP_SMULL( tmp1_Q16, state_Q16[ 0 ] ), 32 - QC );
+ state_QS[ order ] = tmp1_QS;
+ corr_QC[ order ] += SKP_RSHIFT64( SKP_SMULL( tmp1_QS, state_QS[ 0 ] ), 2 * QS - QC );
}
lsh = SKP_Silk_CLZ64( corr_QC[ 0 ] ) - 35;
--- a/src_FLP/SKP_Silk_HP_variable_cutoff_FLP.c
+++ b/src_FLP/SKP_Silk_HP_variable_cutoff_FLP.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
#if HIGH_PASS_INPUT
@@ -72,7 +73,7 @@
psEnc->variable_HP_smth2 += VARIABLE_HP_SMTH_COEF2 * ( psEnc->variable_HP_smth1 - psEnc->variable_HP_smth2 );
/* Convert from log scale to Hertz */
- psEncCtrl->pitch_freq_low_Hz = ( SKP_float )pow( 2.0, psEnc->variable_HP_smth2 );
+ psEncCtrl->pitch_freq_low_Hz = ( SKP_float )pow( 2.0f, psEnc->variable_HP_smth2 );
/* Limit frequency range */
psEncCtrl->pitch_freq_low_Hz = SKP_LIMIT_float( psEncCtrl->pitch_freq_low_Hz, VARIABLE_HP_MIN_FREQ, VARIABLE_HP_MAX_FREQ );
--- a/src_FLP/SKP_Silk_LPC_analysis_filter_FLP.c
+++ b/src_FLP/SKP_Silk_LPC_analysis_filter_FLP.c
@@ -46,6 +46,10 @@
SKP_assert( Order <= length );
switch( Order ) {
+ case 6:
+ SKP_Silk_LPC_analysis_filter6_FLP( r_LPC, PredCoef, s, length );
+ break;
+
case 8:
SKP_Silk_LPC_analysis_filter8_FLP( r_LPC, PredCoef, s, length );
break;
@@ -199,6 +203,34 @@
s_ptr[ -5 ] * PredCoef[ 5 ] +
s_ptr[ -6 ] * PredCoef[ 6 ] +
s_ptr[ -7 ] * PredCoef[ 7 ];
+
+ /* prediction error */
+ r_LPC[ix] = s_ptr[ 1 ] - LPC_pred;
+ }
+}
+
+/* 6th order LPC analysis filter, does not write first 6 samples */
+void SKP_Silk_LPC_analysis_filter6_FLP(
+ SKP_float r_LPC[], /* O LPC residual signal */
+ const SKP_float PredCoef[], /* I LPC coefficients */
+ const SKP_float s[], /* I Input signal */
+ const SKP_int length /* I Length of input signal */
+)
+{
+ SKP_int ix = 8;
+ SKP_float LPC_pred;
+ const SKP_float *s_ptr;
+
+ for ( ; ix < length; ix++) {
+ s_ptr = &s[ix - 1];
+
+ /* short-term prediction */
+ LPC_pred = s_ptr[ 0 ] * PredCoef[ 0 ] +
+ s_ptr[ -1 ] * PredCoef[ 1 ] +
+ s_ptr[ -2 ] * PredCoef[ 2 ] +
+ s_ptr[ -3 ] * PredCoef[ 3 ] +
+ s_ptr[ -4 ] * PredCoef[ 4 ] +
+ s_ptr[ -5 ] * PredCoef[ 5 ];
/* prediction error */
r_LPC[ix] = s_ptr[ 1 ] - LPC_pred;
--- a/src_FLP/SKP_Silk_LTP_analysis_filter_FLP.c
+++ b/src_FLP/SKP_Silk_LTP_analysis_filter_FLP.c
@@ -28,14 +28,14 @@
#include "SKP_Silk_main_FLP.h"
void SKP_Silk_LTP_analysis_filter_FLP(
- SKP_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */
- const SKP_float *x, /* I Input signal, with preceeding samples */
- const SKP_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */
- const SKP_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */
- const SKP_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */
- const SKP_int subfr_length, /* I Length of each subframe */
- const SKP_int nb_subfr, /* I number of subframes */
- const SKP_int pre_length /* I Preceeding samples for each subframe */
+ SKP_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */
+ const SKP_float *x, /* I Input signal, with preceeding samples */
+ const SKP_float B[ LTP_ORDER * MAX_NB_SUBFR ], /* I LTP coefficients for each subframe */
+ const SKP_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */
+ const SKP_float invGains[ MAX_NB_SUBFR ], /* I Inverse quantization gains */
+ const SKP_int subfr_length, /* I Length of each subframe */
+ const SKP_int nb_subfr, /* I number of subframes */
+ const SKP_int pre_length /* I Preceeding samples for each subframe */
)
{
const SKP_float *x_ptr, *x_lag_ptr;
--- a/src_FLP/SKP_Silk_LTP_scale_ctrl_FLP.c
+++ b/src_FLP/SKP_Silk_LTP_scale_ctrl_FLP.c
@@ -51,7 +51,7 @@
psEnc->prevLTPredCodGain = psEncCtrl->LTPredCodGain;
- /* combine input and filtered input */
+ /* Combine input and filtered input */
g_out = 0.5f * psEncCtrl->LTPredCodGain + ( 1.0f - 0.5f ) * psEnc->HPLTPredCodGain;
g_limit = SKP_sigmoid( 0.5f * ( g_out - 6 ) );
--- a/src_FLP/SKP_Silk_NLSF_MSVQ_decode_FLP.c
+++ b/src_FLP/SKP_Silk_NLSF_MSVQ_decode_FLP.c
@@ -39,7 +39,6 @@
SKP_int s;
SKP_int i;
-
/* Check that each index is within valid range */
SKP_assert( 0 <= NLSFIndices[ 0 ] && NLSFIndices[ 0 ] < psNLSF_CB_FLP->CBStages[ 0 ].nVectors );
@@ -83,6 +82,11 @@
pNLSF[ i ] += pCB_element[ i ];
}
}
+ }
+
+ /* Add 1/2 */
+ for( i = 0; i < LPC_order; i++ ) {
+ pNLSF[ i ] += 0.5f;
}
/* NLSF stabilization */
--- a/src_FLP/SKP_Silk_NLSF_MSVQ_encode_FLP.c
+++ b/src_FLP/SKP_Silk_NLSF_MSVQ_encode_FLP.c
@@ -43,9 +43,8 @@
const SKP_int deactivate_fluc_red /* I Deactivate fluctuation reduction */
)
{
- SKP_int i, s, k, cur_survivors, prev_survivors, input_index, cb_index, bestIndex;
+ SKP_int i, s, k, cur_survivors, prev_survivors, min_survivors, input_index, cb_index, bestIndex;
SKP_float se, wsse, rateDistThreshold, bestRateDist;
- SKP_float pNLSF_in[ MAX_LPC_ORDER ];
#if( LOW_COMPLEXITY_ONLY == 1 )
SKP_float pRateDist[ NLSF_MSVQ_TREE_SEARCH_MAX_VECTORS_EVALUATED_LC_MODE ];
@@ -79,11 +78,6 @@
cur_survivors = NLSF_MSVQ_Survivors;
-
-
- /* Copy the input vector */
- SKP_memcpy( pNLSF_in, pNLSF, LPC_order * sizeof(SKP_float) );
-
/****************************************************/
/* Tree search for the multi-stage vector quantizer */
/****************************************************/
@@ -90,13 +84,18 @@
/* Clear accumulated rates */
SKP_memset( pRate, 0, NLSF_MSVQ_Survivors * sizeof( SKP_float ) );
-
- /* Copy NLSFs into residual signal vector */
- SKP_memcpy( pRes, pNLSF, LPC_order * sizeof( SKP_float ) );
+ /* Subtract 1/2 from NLSF input vector to create initial residual */
+ for( i = 0; i < LPC_order; i++ ) {
+ pRes[ i ] = pNLSF[ i ] - 0.5f;
+ }
+
/* Set first stage values */
prev_survivors = 1;
+ /* Minimum number of survivors */
+ min_survivors = NLSF_MSVQ_Survivors / 2;
+
/* Loop over all stages */
for( s = 0; s < psNLSF_CB_FLP->nStages; s++ ) {
@@ -120,8 +119,8 @@
SKP_Silk_insertion_sort_increasing_FLP( pRateDist, pTempIndices, prev_survivors * pCurrentCBStage->nVectors, cur_survivors );
/* Discard survivors with rate-distortion values too far above the best one */
- rateDistThreshold = NLSF_MSVQ_SURV_MAX_REL_RD * pRateDist[ 0 ];
- while( pRateDist[ cur_survivors - 1 ] > rateDistThreshold && cur_survivors > 1 ) {
+ rateDistThreshold = ( 1.0f + NLSF_MSVQ_Survivors * NLSF_MSVQ_SURV_MAX_REL_RD ) * pRateDist[ 0 ];
+ while( pRateDist[ cur_survivors - 1 ] > rateDistThreshold && cur_survivors > min_survivors ) {
cur_survivors--;
}
--- a/src_FLP/SKP_Silk_VQ_nearest_neighbor_FLP.c
+++ b/src_FLP/SKP_Silk_VQ_nearest_neighbor_FLP.c
@@ -27,6 +27,8 @@
#include "SKP_Silk_main_FLP.h"
+#define Q14_CONVERSION_FAC 6.1035e-005f // 1 / 2^14
+
/* entropy constrained MATRIX-weighted VQ, for a single input data vector */
void SKP_Silk_VQ_WMat_EC_FLP(
SKP_int *ind, /* O Index of best codebook vector */
--- a/src_FLP/SKP_Silk_apply_sine_window_FLP.c
+++ b/src_FLP/SKP_Silk_apply_sine_window_FLP.c
@@ -29,7 +29,6 @@
/* Apply sine window to signal vector. */
/* Window types: */
-/* 0 -> sine window from 0 to pi */
/* 1 -> sine window from 0 to pi/2 */
/* 2 -> sine window from pi/2 to pi */
void SKP_Silk_apply_sine_window_FLP(
@@ -42,13 +41,12 @@
SKP_int k;
SKP_float freq, c, S0, S1;
+ SKP_assert( win_type == 1 || win_type == 2 );
+
/* Length must be multiple of 4 */
SKP_assert( ( length & 3 ) == 0 );
freq = PI / ( length + 1 );
- if( win_type == 0 ) {
- freq = 2.0f * freq;
- }
/* Approximation of 2 * cos(f) */
c = 2.0f - freq * freq;
--- a/src_FLP/SKP_Silk_control_codec_FLP.c
+++ b/src_FLP/SKP_Silk_control_codec_FLP.c
@@ -26,157 +26,73 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_setup_complexity.h"
-/* ToDo: Move the functions below to common to be able to use them in FLP control codec also */
SKP_INLINE SKP_int SKP_Silk_setup_resamplers(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int API_fs_Hz, /* I */
- SKP_int fs_kHz /* I */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ SKP_int fs_kHz /* I Internal sampling rate (kHz) */
);
SKP_INLINE SKP_int SKP_Silk_setup_packetsize(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int PacketSize_ms /* I */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ SKP_int PacketSize_ms /* I Packet length (ms) */
);
SKP_INLINE SKP_int SKP_Silk_setup_fs(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int fs_kHz /* I */
+ SKP_int fs_kHz, /* I */
+ SKP_int PacketSize_ms /* I */
);
-SKP_INLINE SKP_int SKP_Silk_setup_complexity(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int Complexity /* I */
-);
-
SKP_INLINE SKP_int SKP_Silk_setup_rate(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int TargetRate_bps /* I */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ SKP_int TargetRate_bps /* I Target max bitrate */
);
SKP_INLINE SKP_int SKP_Silk_setup_LBRR(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int INBandFEC_enabled /* I */
+ SKP_Silk_encoder_state_FLP *psEnc /* I/O Pointer to Silk encoder state FLP */
);
-/* Control encoder SNR */
+/* Control encoder */
SKP_int SKP_Silk_control_encoder_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
- const SKP_int32 API_fs_Hz, /* I External (API) sampling rate (Hz) */
- const SKP_int max_internal_fs_kHz,/* I Maximum internal sampling rate (kHz) */
- const SKP_int PacketSize_ms, /* I Packet length (ms) */
- SKP_int32 TargetRate_bps, /* I Target max bitrate (if SNR_dB == 0) */
- const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
- const SKP_int INBandFEC_enabled, /* I Enable (1) / disable (0) inband FEC */
- const SKP_int DTX_enabled, /* I Enable / disable DTX */
- const SKP_int InputFramesize_ms, /* I Inputframe in ms */
- const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ const SKP_int PacketSize_ms, /* I Packet length (ms) */
+ const SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) */
+ const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
+ const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
)
{
SKP_int fs_kHz, ret = 0;
- /* State machine for the SWB/WB switching */
- fs_kHz = psEnc->sCmn.fs_kHz;
-
- /* Only switch during low speech activity, when no frames are sitting in the payload buffer */
- if( API_fs_Hz == 8000 || fs_kHz == 0 || API_fs_Hz < fs_kHz * 1000 || fs_kHz > max_internal_fs_kHz ) {
- /* Switching is not possible, encoder just initialized, internal mode higher than external, */
- /* or internal mode higher than maximum allowed internal mode */
- fs_kHz = SKP_min( SKP_DIV32_16( API_fs_Hz, 1000 ), max_internal_fs_kHz );
- } else {
- /* Accumulate the difference between the target rate and limit for switching down */
- psEnc->sCmn.bitrateDiff += SKP_MUL( InputFramesize_ms, TargetRate_bps - psEnc->sCmn.bitrate_threshold_down );
- psEnc->sCmn.bitrateDiff = SKP_min( psEnc->sCmn.bitrateDiff, 0 );
-
- if( psEnc->speech_activity < 0.5f && psEnc->sCmn.nFramesInPayloadBuf == 0 ) { /* Low speech activity and payload buffer empty */
- /* Check if we should switch down */
-#if SWITCH_TRANSITION_FILTERING
- if( ( psEnc->sCmn.sLP.transition_frame_no == 0 ) && /* Transition phase not active */
- ( psEnc->sCmn.bitrateDiff <= -ACCUM_BITS_DIFF_THRESHOLD || /* Bitrate threshold is met */
- ( psEnc->sCmn.sSWBdetect.WB_detected * psEnc->sCmn.fs_kHz == 24 ) ) ) { /* Forced down-switching due to WB input */
- psEnc->sCmn.sLP.transition_frame_no = 1; /* Begin transition phase */
- psEnc->sCmn.sLP.mode = 0; /* Switch down */
- } else if(
- ( psEnc->sCmn.sLP.transition_frame_no >= TRANSITION_FRAMES_DOWN ) && /* Transition phase complete */
- ( psEnc->sCmn.sLP.mode == 0 ) ) { /* Ready to switch down */
- psEnc->sCmn.sLP.transition_frame_no = 0; /* Ready for new transition phase */
-#else
- if( psEnc->sCmn.bitrateDiff <= -ACCUM_BITS_DIFF_THRESHOLD ) { /* Bitrate threshold is met */
-#endif
- psEnc->sCmn.bitrateDiff = 0;
-
- /* Switch to a lower sample frequency */
- if( psEnc->sCmn.fs_kHz == 24 ) {
- fs_kHz = 16;
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- fs_kHz = 12;
- } else {
- SKP_assert( psEnc->sCmn.fs_kHz == 12 );
- fs_kHz = 8;
- }
- }
-
- /* Check if we should switch up */
- if( ( ( psEnc->sCmn.fs_kHz * 1000 < API_fs_Hz ) &&
- ( TargetRate_bps >= psEnc->sCmn.bitrate_threshold_up ) &&
- ( psEnc->sCmn.sSWBdetect.WB_detected * psEnc->sCmn.fs_kHz != 16 ) ) &&
- ( ( psEnc->sCmn.fs_kHz == 16 ) && ( max_internal_fs_kHz >= 24 ) ||
- ( psEnc->sCmn.fs_kHz == 12 ) && ( max_internal_fs_kHz >= 16 ) ||
- ( psEnc->sCmn.fs_kHz == 8 ) && ( max_internal_fs_kHz >= 12 ) )
-#if SWITCH_TRANSITION_FILTERING
- && ( psEnc->sCmn.sLP.transition_frame_no == 0 ) ) { /* No transition phase running, ready to switch */
- psEnc->sCmn.sLP.mode = 1; /* Switch up */
-#else
- ) {
-#endif
- psEnc->sCmn.bitrateDiff = 0;
-
- /* Switch to a higher sample frequency */
- if( psEnc->sCmn.fs_kHz == 8 ) {
- fs_kHz = 12;
- } else if( psEnc->sCmn.fs_kHz == 12 ) {
- fs_kHz = 16;
- } else {
- SKP_assert( psEnc->sCmn.fs_kHz == 16 );
- fs_kHz = 24;
- }
- }
+ if( psEnc->sCmn.controlled_since_last_payload != 0 ) {
+ if( psEnc->sCmn.API_fs_Hz != psEnc->sCmn.prev_API_fs_Hz && psEnc->sCmn.fs_kHz > 0 ) {
+ /* Change in API sampling rate in the middle of encoding a packet */
+ ret += SKP_Silk_setup_resamplers( psEnc, psEnc->sCmn.fs_kHz );
}
- }
-
-#if SWITCH_TRANSITION_FILTERING
- /* After switching up, stop transition filter during speech inactivity */
- if( ( psEnc->sCmn.sLP.mode == 1 ) &&
- ( psEnc->sCmn.sLP.transition_frame_no >= TRANSITION_FRAMES_UP ) &&
- ( psEnc->speech_activity < 0.5f ) &&
- ( psEnc->sCmn.nFramesInPayloadBuf == 0 ) ) {
-
- psEnc->sCmn.sLP.transition_frame_no = 0;
-
- /* Reset transition filter state */
- SKP_memset( psEnc->sCmn.sLP.In_LP_State, 0, 2 * sizeof( SKP_int32 ) );
+ return ret;
}
-#endif
+ /* Beyond this point we know that there are no previously coded frames in the payload buffer */
+
/********************************************/
- /* Prepare resampler and buffered data */
+ /* Determine internal sampling rate */
/********************************************/
- SKP_Silk_setup_resamplers( psEnc, API_fs_Hz, fs_kHz );
+ fs_kHz = SKP_Silk_control_audio_bandwidth( &psEnc->sCmn, TargetRate_bps );
/********************************************/
- /* Set packet size */
+ /* Prepare resampler and buffered data */
/********************************************/
- ret += SKP_Silk_setup_packetsize( psEnc, PacketSize_ms );
+ ret += SKP_Silk_setup_resamplers( psEnc, fs_kHz );
/********************************************/
/* Set internal sampling frequency */
/********************************************/
- ret += SKP_Silk_setup_fs( psEnc, fs_kHz );
+ ret += SKP_Silk_setup_fs( psEnc, fs_kHz, PacketSize_ms );
/********************************************/
/* Set encoding complexity */
/********************************************/
- ret += SKP_Silk_setup_complexity( psEnc, Complexity );
+ ret += SKP_Silk_setup_complexity( &psEnc->sCmn, Complexity );
/********************************************/
/* Set bitrate/coding quality */
@@ -194,15 +110,9 @@
/********************************************/
/* Set LBRR usage */
/********************************************/
- ret += SKP_Silk_setup_LBRR( psEnc, INBandFEC_enabled );
+ ret += SKP_Silk_setup_LBRR( psEnc );
- /********************************************/
- /* Set DTX mode */
- /********************************************/
- if( DTX_enabled < 0 || DTX_enabled > 1 ) {
- ret = SKP_SILK_ENC_INVALID_DTX_SETTING;
- }
- psEnc->sCmn.useDTX = DTX_enabled;
+ psEnc->sCmn.controlled_since_last_payload = 1;
return ret;
}
@@ -210,7 +120,7 @@
/* Control low bitrate redundancy usage */
void SKP_Silk_LBRR_ctrl_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I Encoder state FLP */
- SKP_Silk_encoder_control *psEncCtrl /* I/O Encoder control */
+ SKP_Silk_encoder_control *psEncCtrlC /* I/O Encoder control */
)
{
SKP_int LBRR_usage;
@@ -221,12 +131,12 @@
/* Usage Control based on sensitivity and packet loss caracteristics */
/* For now only enable adding to next for active frames. Make more complex later */
LBRR_usage = SKP_SILK_NO_LBRR;
- if( psEnc->speech_activity > LBRR_SPEECH_ACTIVITY_THRES && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) { // nb! maybe multiply loss prob and speech activity
- LBRR_usage = SKP_SILK_ADD_LBRR_TO_PLUS1;
+ if( psEnc->speech_activity > LBRR_SPEECH_ACTIVITY_THRES && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) {
+ LBRR_usage = SKP_SILK_LBRR;
}
- psEncCtrl->LBRR_usage = LBRR_usage;
+ psEncCtrlC->LBRR_usage = LBRR_usage;
} else {
- psEncCtrl->LBRR_usage = SKP_SILK_NO_LBRR;
+ psEncCtrlC->LBRR_usage = SKP_SILK_NO_LBRR;
}
}
@@ -239,25 +149,19 @@
if( ( PacketSize_ms != 10 ) &&
( PacketSize_ms != 20 ) &&
( PacketSize_ms != 40 ) &&
- ( PacketSize_ms != 60 ) &&
- ( PacketSize_ms != 80 ) &&
- ( PacketSize_ms != 100 ) ) {
+ ( PacketSize_ms != 60 ) ) {
ret = SKP_SILK_ENC_PACKET_SIZE_NOT_SUPPORTED;
} else {
if( PacketSize_ms != psEnc->sCmn.PacketSize_ms ) {
if( PacketSize_ms == 10 ) {
- if( psEnc->sCmn.nFramesInPayloadBuf == 0 ) {
- /* Only allowed when the payload buffer is empty */
- psEnc->sCmn.nb_subfr = MAX_NB_SUBFR >> 1;
- psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
- psEnc->sCmn.PacketSize_ms = PacketSize_ms;
- psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, psEnc->sCmn.fs_kHz );
- /* Packet length changes. Reset LBRR buffer */
- SKP_Silk_LBRR_reset( &psEnc->sCmn );
- }
+ /* Only allowed when the payload buffer is empty */
+ psEnc->sCmn.nb_subfr = MAX_NB_SUBFR >> 1;
+ psEnc->sCmn.PacketSize_ms = PacketSize_ms;
+ psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS_2_SF, psEnc->sCmn.fs_kHz );
+ /* Packet length changes. Reset LBRR buffer */
+ SKP_Silk_LBRR_reset( &psEnc->sCmn );
} else{
psEnc->sCmn.nb_subfr = MAX_NB_SUBFR;
- psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
psEnc->sCmn.PacketSize_ms = PacketSize_ms;
psEnc->sPred.pitch_LPC_win_length = SKP_SMULBB( FIND_PITCH_LPC_WIN_MS, psEnc->sCmn.fs_kHz );
/* Packet length changes. Reset LBRR buffer */
@@ -264,58 +168,64 @@
SKP_Silk_LBRR_reset( &psEnc->sCmn );
}
}
+ psEnc->sCmn.frame_length = SKP_SMULBB( psEnc->sCmn.subfr_length, psEnc->sCmn.nb_subfr );
}
+
return(ret);
}
SKP_INLINE SKP_int SKP_Silk_setup_resamplers(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int API_fs_Hz, /* I */
- SKP_int fs_kHz /* I */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ SKP_int fs_kHz /* I External (API) sampling rate (Hz) */
)
{
SKP_int ret = SKP_SILK_NO_ERROR;
- if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != API_fs_Hz ) {
+ if( psEnc->sCmn.fs_kHz != fs_kHz || psEnc->sCmn.prev_API_fs_Hz != psEnc->sCmn.API_fs_Hz ) {
- /* Allocate space for worst case temporary upsampling, 8 to 48 kHz, so a factor 6 */
- SKP_int16 x_buf_API_fs_Hz[ ( MAX_API_FS_KHZ / 8 ) * ( 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ) ];
- SKP_int16 x_bufFIX[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];
+ if( psEnc->sCmn.fs_kHz == 0 ) {
+ /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */
+ ret += SKP_Silk_resampler_init( &psEnc->sCmn.resampler_state, psEnc->sCmn.API_fs_Hz, fs_kHz * 1000 );
+ } else {
+ /* Allocate space for worst case temporary upsampling, 8 to 48 kHz, so a factor 6 */
+ SKP_int16 x_buf_API_fs_Hz[ ( 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ) * ( MAX_API_FS_KHZ / 8 ) ];
+ SKP_int16 x_bufFIX[ 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX ];
- SKP_int32 nSamples_temp = 2 * psEnc->sCmn.frame_length + psEnc->sCmn.la_shape;
+ SKP_int32 nSamples_temp = 2 * psEnc->sCmn.frame_length + LA_SHAPE_MS * psEnc->sCmn.fs_kHz;
- SKP_float2short_array( x_bufFIX, psEnc->x_buf, 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX );
+ SKP_float2short_array( x_bufFIX, psEnc->x_buf, nSamples_temp );
- if( fs_kHz * 1000 < API_fs_Hz && psEnc->sCmn.fs_kHz != 0 ) {
- /* Resample buffered data in x_buf to API_fs_Hz */
+ if( fs_kHz * 1000 < psEnc->sCmn.API_fs_Hz && psEnc->sCmn.fs_kHz != 0 ) {
+ /* Resample buffered data in x_buf to API_fs_Hz */
- SKP_Silk_resampler_state_struct temp_resampler_state;
+ SKP_Silk_resampler_state_struct temp_resampler_state;
- /* Initialize resampler for temporary resampling of x_buf data to API_fs_Hz */
- ret += SKP_Silk_resampler_init( &temp_resampler_state, psEnc->sCmn.fs_kHz * 1000, API_fs_Hz );
+ /* Initialize resampler for temporary resampling of x_buf data to API_fs_Hz */
+ ret += SKP_Silk_resampler_init( &temp_resampler_state, psEnc->sCmn.fs_kHz * 1000, psEnc->sCmn.API_fs_Hz );
- /* Temporary resampling of x_buf data to API_fs_Hz */
- ret += SKP_Silk_resampler( &temp_resampler_state, x_buf_API_fs_Hz, x_bufFIX, nSamples_temp );
+ /* Temporary resampling of x_buf data to API_fs_Hz */
+ ret += SKP_Silk_resampler( &temp_resampler_state, x_buf_API_fs_Hz, x_bufFIX, nSamples_temp );
- /* Calculate number of samples that has been temporarily upsampled */
- nSamples_temp = SKP_DIV32_16( nSamples_temp * API_fs_Hz, psEnc->sCmn.fs_kHz * 1000 );
+ /* Calculate number of samples that has been temporarily upsampled */
+ nSamples_temp = SKP_DIV32_16( nSamples_temp * psEnc->sCmn.API_fs_Hz, psEnc->sCmn.fs_kHz * 1000 );
- /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */
- ret += SKP_Silk_resampler_init( &psEnc->sCmn.resampler_state, API_fs_Hz, fs_kHz * 1000 );
+ /* Initialize the resampler for enc_API.c preparing resampling from API_fs_Hz to fs_kHz */
+ ret += SKP_Silk_resampler_init( &psEnc->sCmn.resampler_state, psEnc->sCmn.API_fs_Hz, fs_kHz * 1000 );
- } else {
- /* Copy data */
- SKP_memcpy( x_buf_API_fs_Hz, x_bufFIX, nSamples_temp * sizeof( SKP_int16 ) );
- }
+ } else {
+ /* Copy data */
+ SKP_memcpy( x_buf_API_fs_Hz, x_bufFIX, nSamples_temp * sizeof( SKP_int16 ) );
+ }
- if( 1000 * fs_kHz != API_fs_Hz ) {
- /* Correct resampler state (unless resampling by a factor 1) by resampling buffered data from API_fs_Hz to fs_kHz */
- ret += SKP_Silk_resampler( &psEnc->sCmn.resampler_state, x_bufFIX, x_buf_API_fs_Hz, nSamples_temp );
+ if( 1000 * fs_kHz != psEnc->sCmn.API_fs_Hz ) {
+ /* Correct resampler state (unless resampling by a factor 1) by resampling buffered data from API_fs_Hz to fs_kHz */
+ ret += SKP_Silk_resampler( &psEnc->sCmn.resampler_state, x_bufFIX, x_buf_API_fs_Hz, nSamples_temp );
+ }
+ SKP_short2float_array( psEnc->x_buf, x_bufFIX, ( 2 * MAX_FRAME_LENGTH_MS + LA_SHAPE_MS ) * fs_kHz );
}
- SKP_short2float_array( psEnc->x_buf, x_bufFIX, 2 * MAX_FRAME_LENGTH + LA_SHAPE_MAX );
}
- psEnc->sCmn.prev_API_fs_Hz = API_fs_Hz;
+ psEnc->sCmn.prev_API_fs_Hz = psEnc->sCmn.API_fs_Hz;
return(ret);
}
@@ -322,7 +232,8 @@
SKP_INLINE SKP_int SKP_Silk_setup_fs(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int fs_kHz /* I */
+ SKP_int fs_kHz, /* I */
+ SKP_int PacketSize_ms /* I */
)
{
SKP_int ret = SKP_SILK_NO_ERROR;
@@ -380,10 +291,8 @@
psEnc->psNLSF_CB_FLP[ 1 ] = &SKP_Silk_NLSF_CB1_16_FLP;
}
psEnc->sCmn.subfr_length = SUB_FRAME_LENGTH_MS * fs_kHz;
- psEnc->sCmn.frame_length = psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr;
psEnc->sCmn.ltp_mem_length = LTP_MEM_LENGTH_MS * fs_kHz;
psEnc->sCmn.la_pitch = LA_PITCH_MS * fs_kHz;
- psEnc->sCmn.la_shape = LA_SHAPE_MS * fs_kHz;
psEnc->sPred.min_pitch_lag = 3 * fs_kHz;
psEnc->sPred.max_pitch_lag = 18 * fs_kHz;
if( psEnc->sCmn.nb_subfr == MAX_NB_SUBFR ){
@@ -409,75 +318,22 @@
psEnc->sCmn.bitrate_threshold_down = 0;
}
psEnc->sCmn.fs_kHz_changed = 1;
-
- /* Check that settings are valid */
- SKP_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->sCmn.frame_length );
}
- return( ret );
-}
-SKP_INLINE SKP_int SKP_Silk_setup_complexity(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int Complexity /* I */
-)
-{
- SKP_int ret = SKP_SILK_NO_ERROR;
+ /********************************************/
+ /* Set packet size */
+ /********************************************/
+ ret += SKP_Silk_setup_packetsize( psEnc, PacketSize_ms );
/* Check that settings are valid */
- if( LOW_COMPLEXITY_ONLY && Complexity != 0 ) {
- ret = SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING;
- }
-
- /* Set encoding complexity */
- if( Complexity == 0 || LOW_COMPLEXITY_ONLY ) {
- /* Low complexity */
- psEnc->sCmn.Complexity = 0;
- psEnc->sCmn.pitchEstimationComplexity = PITCH_EST_COMPLEXITY_LC_MODE;
- psEnc->pitchEstimationThreshold = FIND_PITCH_CORRELATION_THRESHOLD_LC_MODE;
- psEnc->sCmn.pitchEstimationLPCOrder = 8;
- psEnc->sCmn.shapingLPCOrder = 8;
- psEnc->sCmn.nStatesDelayedDecision = 1;
- psEnc->sCmn.useInterpolatedNLSFs = 0;
- psEnc->sCmn.LTPQuantLowComplexity = 1;
- psEnc->sCmn.NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS_LC_MODE;
- } else if( Complexity == 1 ) {
- /* Medium complexity */
- psEnc->sCmn.Complexity = 1;
- psEnc->sCmn.pitchEstimationComplexity = PITCH_EST_COMPLEXITY_MC_MODE;
- psEnc->pitchEstimationThreshold = FIND_PITCH_CORRELATION_THRESHOLD_MC_MODE;
- psEnc->sCmn.pitchEstimationLPCOrder = 12;
- psEnc->sCmn.shapingLPCOrder = 12;
- psEnc->sCmn.nStatesDelayedDecision = 2;
- psEnc->sCmn.useInterpolatedNLSFs = 0;
- psEnc->sCmn.LTPQuantLowComplexity = 0;
- psEnc->sCmn.NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS_MC_MODE;
- } else if( Complexity == 2 ) {
- /* High complexity */
- psEnc->sCmn.Complexity = 2;
- psEnc->sCmn.pitchEstimationComplexity = PITCH_EST_COMPLEXITY_HC_MODE;
- psEnc->pitchEstimationThreshold = FIND_PITCH_CORRELATION_THRESHOLD_HC_MODE;
- psEnc->sCmn.pitchEstimationLPCOrder = 16;
- psEnc->sCmn.shapingLPCOrder = 16;
- psEnc->sCmn.nStatesDelayedDecision = 4;
- psEnc->sCmn.useInterpolatedNLSFs = 1;
- psEnc->sCmn.LTPQuantLowComplexity = 0;
- psEnc->sCmn.NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS;
- } else {
- ret = SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING;
- }
-
- /* Do not allow higher pitch estimation LPC order than predict LPC order */
- psEnc->sCmn.pitchEstimationLPCOrder = SKP_min_int( psEnc->sCmn.pitchEstimationLPCOrder, psEnc->sCmn.predictLPCOrder );
-
- SKP_assert( psEnc->sCmn.pitchEstimationLPCOrder <= MAX_FIND_PITCH_LPC_ORDER );
- SKP_assert( psEnc->sCmn.shapingLPCOrder <= MAX_SHAPE_LPC_ORDER );
- SKP_assert( psEnc->sCmn.nStatesDelayedDecision <= MAX_DEL_DEC_STATES );
+ SKP_assert( ( psEnc->sCmn.subfr_length * psEnc->sCmn.nb_subfr ) == psEnc->sCmn.frame_length );
+
return( ret );
}
SKP_INLINE SKP_int SKP_Silk_setup_rate(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int TargetRate_bps /* I */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ SKP_int TargetRate_bps /* I Target max bitrate */
)
{
SKP_int k, ret = SKP_SILK_NO_ERROR;
@@ -485,16 +341,6 @@
const SKP_int32 *rateTable;
/* Set bitrate/coding quality */
- TargetRate_bps = SKP_min( TargetRate_bps, 100000 );
- if( psEnc->sCmn.fs_kHz == 8 ) {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_NB_BPS );
- } else if( psEnc->sCmn.fs_kHz == 12 ) {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_MB_BPS );
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_WB_BPS );
- } else {
- TargetRate_bps = SKP_max( TargetRate_bps, MIN_TARGET_RATE_SWB_BPS );
- }
if( TargetRate_bps != psEnc->sCmn.TargetRate_bps ) {
psEnc->sCmn.TargetRate_bps = TargetRate_bps;
@@ -522,57 +368,53 @@
}
SKP_INLINE SKP_int SKP_Silk_setup_LBRR(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O */
- SKP_int INBandFEC_enabled /* I */
+ SKP_Silk_encoder_state_FLP *psEnc /* I/O Pointer to Silk encoder state FLP */
)
{
SKP_int ret = SKP_SILK_NO_ERROR;
- SKP_int32 LBRRRate_thres_bps;
#if USE_LBRR
- if( INBandFEC_enabled < 0 || INBandFEC_enabled > 1 ) {
+ SKP_int32 LBRRRate_thres_bps;
+
+ if( psEnc->sCmn.useInBandFEC < 0 || psEnc->sCmn.useInBandFEC > 1 ) {
ret = SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING;
}
- /* Only change settings if first frame in packet */
- if( psEnc->sCmn.nFramesInPayloadBuf == 0 ) {
-
- psEnc->sCmn.LBRR_enabled = INBandFEC_enabled;
- if( psEnc->sCmn.fs_kHz == 8 ) {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 9000;
- } else if( psEnc->sCmn.fs_kHz == 12 ) {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 6000;;
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 3000;
- } else {
- LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS;
- }
+ psEnc->sCmn.LBRR_enabled = psEnc->sCmn.useInBandFEC;
+ if( psEnc->sCmn.fs_kHz == 8 ) {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 9000;
+ } else if( psEnc->sCmn.fs_kHz == 12 ) {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 6000;;
+ } else if( psEnc->sCmn.fs_kHz == 16 ) {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS - 3000;
+ } else {
+ LBRRRate_thres_bps = INBAND_FEC_MIN_RATE_BPS;
+ }
- if( psEnc->sCmn.TargetRate_bps >= LBRRRate_thres_bps ) {
- /* Set gain increase / rate reduction for LBRR usage */
- /* Coarsely tuned with PESQ for now. */
- /* Linear regression coefs G = 8 - 0.5 * loss */
- /* Meaning that at 16% loss main rate and redundant rate is the same, -> G = 0 */
- psEnc->sCmn.LBRR_GainIncreases = SKP_max_int( 8 - SKP_RSHIFT( psEnc->sCmn.PacketLoss_perc, 1 ), 0 );
+ if( psEnc->sCmn.TargetRate_bps >= LBRRRate_thres_bps ) {
+ /* Set gain increase / rate reduction for LBRR usage */
+ /* Coarsely tuned with PESQ for now. */
+ /* Linear regression coefs G = 8 - 0.5 * loss */
+ /* Meaning that at 16% loss main rate and redundant rate is the same, -> G = 0 */
+ psEnc->sCmn.LBRR_GainIncreases = SKP_max_int( 8 - SKP_RSHIFT( psEnc->sCmn.PacketLoss_perc, 1 ), 0 );
- /* Set main stream rate compensation */
- if( psEnc->sCmn.LBRR_enabled && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) {
- /* Tuned to give aprox same mean / weighted bitrate as no inband FEC */
- psEnc->inBandFEC_SNR_comp = 6.0f - 0.5f * psEnc->sCmn.LBRR_GainIncreases;
- } else {
- psEnc->inBandFEC_SNR_comp = 0;
- psEnc->sCmn.LBRR_enabled = 0;
- }
+ /* Set main stream rate compensation */
+ if( psEnc->sCmn.LBRR_enabled && psEnc->sCmn.PacketLoss_perc > LBRR_LOSS_THRES ) {
+ /* Tuned to give approx same mean / weighted bitrate as no inband FEC */
+ psEnc->inBandFEC_SNR_comp = 6.0f - 0.5f * psEnc->sCmn.LBRR_GainIncreases;
} else {
- psEnc->inBandFEC_SNR_comp = 0;
- psEnc->sCmn.LBRR_enabled = 0;
+ psEnc->inBandFEC_SNR_comp = 0;
+ psEnc->sCmn.LBRR_enabled = 0;
}
+ } else {
+ psEnc->inBandFEC_SNR_comp = 0;
+ psEnc->sCmn.LBRR_enabled = 0;
}
#else
- if( INBandFEC_enabled != 0 ) {
+ if( psEnc->sCmn.LBRR_enabled != 0 ) {
ret = SKP_SILK_ENC_INVALID_INBAND_FEC_SETTING;
+ psEnc->sCmn.LBRR_enabled = 0;
}
- psEnc->sCmn.LBRR_enabled = 0;
#endif
- return( ret );
+ return ret;
}
--- a/src_FLP/SKP_Silk_encode_frame_FLP.c
+++ b/src_FLP/SKP_Silk_encode_frame_FLP.c
@@ -1,5 +1,32 @@
-#include <stdlib.h>
+/***********************************************************************
+Copyright (c) 2006-2010, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
/****************/
/* Encode frame */
@@ -6,9 +33,9 @@
/****************/
SKP_int SKP_Silk_encode_frame_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- SKP_int16 *pnBytesOut, /* I/O Number of payload bytes; */
+ SKP_int32 *pnBytesOut, /* I/O Number of payload bytes */
/* input: max length; output: used */
- ec_enc *psRangeEnc, /* I/O compressor data structure */
+ ec_enc *psRangeEnc, /* I/O compressor data structure */
const SKP_int16 *pIn /* I Input speech frame */
)
{
@@ -27,7 +54,6 @@
const SKP_uint16 *FrameTermination_CDF;
- sEncCtrl.sCmn.LBRR_usage = 0;
TIC(ENCODE_FRAME)
sEncCtrl.sCmn.Seed = psEnc->sCmn.frameCounter++ & 3;
@@ -67,11 +93,11 @@
/*******************************************/
/* Copy new frame to front of input buffer */
/*******************************************/
- SKP_short2float_array( x_frame + psEnc->sCmn.la_shape, pIn_HP_LP, psEnc->sCmn.frame_length );
+ SKP_short2float_array( x_frame + LA_SHAPE_MS * psEnc->sCmn.fs_kHz, pIn_HP_LP, psEnc->sCmn.frame_length );
/* Add tiny signal to avoid high CPU load from denormalized floating point numbers */
for( k = 0; k < 8; k++ ) {
- x_frame[ psEnc->sCmn.la_shape + k * ( psEnc->sCmn.frame_length >> 3 ) ] += ( 1 - ( k & 2 ) ) * 1e-6f;
+ x_frame[ LA_SHAPE_MS * psEnc->sCmn.fs_kHz + k * ( psEnc->sCmn.frame_length >> 3 ) ] += ( 1 - ( k & 2 ) ) * 1e-6f;
}
/*****************************************/
@@ -123,8 +149,7 @@
/* Noise shaping quantization */
/*****************************************/
TIC(NSQ)
- SKP_Silk_NSQ_wrapper_FLP( psEnc, &sEncCtrl, xfw,
- &psEnc->sCmn.q[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ], 0 );
+ SKP_Silk_NSQ_wrapper_FLP( psEnc, &sEncCtrl, xfw, &psEnc->sCmn.q[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ], 0 );
TOC(NSQ)
/**************************************************/
@@ -166,11 +191,11 @@
/****************************************/
/* Update input buffer */
SKP_memmove( psEnc->x_buf, &psEnc->x_buf[ psEnc->sCmn.frame_length ],
- ( psEnc->sCmn.ltp_mem_length + psEnc->sCmn.la_shape ) * sizeof( SKP_float ) );
+ ( psEnc->sCmn.ltp_mem_length + LA_SHAPE_MS * psEnc->sCmn.fs_kHz ) * sizeof( SKP_float ) );
/* Parameters needed for next frame */
- psEnc->sCmn.prev_sigtype = sEncCtrl.sCmn.sigtype;
- psEnc->sCmn.prevLag = sEncCtrl.sCmn.pitchL[ psEnc->sCmn.nb_subfr - 1 ];
+ psEnc->sCmn.prev_sigtype = sEncCtrl.sCmn.sigtype;
+ psEnc->sCmn.prevLag = sEncCtrl.sCmn.pitchL[ psEnc->sCmn.nb_subfr - 1 ];
psEnc->sCmn.first_frame_after_reset = 0;
if( 0 ) { //psEnc->sCmn.sRC.error ) {
@@ -188,18 +213,14 @@
LBRR_idx = ( psEnc->sCmn.oldest_LBRR_idx + 1 ) & LBRR_IDX_MASK;
/* Check if FEC information should be added */
- frame_terminator = SKP_SILK_LAST_FRAME;
- if( psEnc->sCmn.LBRR_buffer[ LBRR_idx ].usage == SKP_SILK_ADD_LBRR_TO_PLUS1 ) {
- frame_terminator = SKP_SILK_LBRR_VER1;
- }
- if( psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].usage == SKP_SILK_ADD_LBRR_TO_PLUS2 ) {
- frame_terminator = SKP_SILK_LBRR_VER2;
- LBRR_idx = psEnc->sCmn.oldest_LBRR_idx;
- }
+ //frame_terminator = psEnc->sCmn.LBRR_buffer[ LBRR_idx ].usage;
+ frame_terminator = SKP_SILK_NO_LBRR;
/* Add the frame termination info to stream */
ec_encode_bin( psRangeEnc, FrameTermination_CDF[ frame_terminator ],
FrameTermination_CDF[ frame_terminator + 1 ], 16 );
+
+ /* Code excitation signal */
for( i = 0; i < psEnc->sCmn.nFramesInPayloadBuf; i++ ) {
SKP_Silk_encode_pulses( psRangeEnc, psEnc->sCmn.sigtype[ i ], psEnc->sCmn.QuantOffsetType[ i ],
&psEnc->sCmn.q[ i * psEnc->sCmn.frame_length ], psEnc->sCmn.frame_length );
@@ -241,9 +262,9 @@
SKP_memcpy( psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].payload, LBRRpayload,
nBytesLBRR * sizeof( SKP_uint8 ) );
psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].nBytes = nBytesLBRR;
- /* The below line describes how FEC should be used */
+ /* The line below describes how FEC should be used */
psEnc->sCmn.LBRR_buffer[ psEnc->sCmn.oldest_LBRR_idx ].usage = sEncCtrl.sCmn.LBRR_usage;
- psEnc->sCmn.oldest_LBRR_idx = ( ( psEnc->sCmn.oldest_LBRR_idx + 1 ) & LBRR_IDX_MASK );
+ psEnc->sCmn.oldest_LBRR_idx = ( psEnc->sCmn.oldest_LBRR_idx + 1 ) & LBRR_IDX_MASK;
} else {
/* Not enough space: Payload will be discarded */
@@ -252,17 +273,12 @@
ret = SKP_SILK_ENC_PAYLOAD_BUF_TOO_SHORT;
}
- /* Reset the number of frames in payload buffer */
+ /* Reset the number of frames in payload buffer */
psEnc->sCmn.nFramesInPayloadBuf = 0;
} else {
- /* No payload for you this time */
+ /* No payload this time */
*pnBytesOut = 0;
- /* Encode that more frames follows */
- frame_terminator = SKP_SILK_MORE_FRAMES;
- ec_encode_bin( psRangeEnc, FrameTermination_CDF[ frame_terminator ],
- FrameTermination_CDF[ frame_terminator + 1 ], 16 );
-
/* Payload length so far */
nBytes = SKP_RSHIFT( ec_enc_tell( psRangeEnc, 0 ) + 7, 3 );
@@ -271,9 +287,14 @@
&psEnc->sCmn.q[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ] );
}
- /* simulate number of ms buffered in channel because of exceeding TargetRate */
+ /* Check for arithmetic coder errors */
+ if( 0 ) { //psEnc->sCmn.sRC.error ) {
+ ret = SKP_SILK_ENC_INTERNAL_ERROR;
+ }
+
+ /* Simulate number of ms buffered in channel because of exceeding TargetRate */
psEnc->BufferedInChannel_ms += ( 8.0f * 1000.0f * ( nBytes - psEnc->sCmn.nBytesInPayloadBuf ) ) / psEnc->sCmn.TargetRate_bps;
- psEnc->BufferedInChannel_ms -= SUB_FRAME_LENGTH_MS * psEnc->sCmn.nb_subfr;
+ psEnc->BufferedInChannel_ms -= SKP_SMULBB( SUB_FRAME_LENGTH_MS, psEnc->sCmn.nb_subfr );
psEnc->BufferedInChannel_ms = SKP_LIMIT_float( psEnc->BufferedInChannel_ms, 0.0f, 100.0f );
psEnc->sCmn.nBytesInPayloadBuf = nBytes;
@@ -327,7 +348,9 @@
SKP_int typeOffset, LTP_scaleIndex, Rate_only_parameters = 0;
ec_byte_buffer range_enc_celt_buf;
- /* Control use of inband LBRR */
+ /*******************************************/
+ /* Control use of inband LBRR */
+ /*******************************************/
SKP_Silk_LBRR_ctrl_FLP( psEnc, &psEncCtrl->sCmn );
if( psEnc->sCmn.LBRR_enabled ) {
@@ -358,9 +381,9 @@
psEnc->sCmn.LBRRprevLastGainIndex = psEnc->sShape.LastGainIndex;
/* Increase Gains to get target LBRR rate */
psEncCtrl->sCmn.GainsIndices[ 0 ] += psEnc->sCmn.LBRR_GainIncreases;
- psEncCtrl->sCmn.GainsIndices[ 0 ] = SKP_LIMIT( psEncCtrl->sCmn.GainsIndices[ 0 ], 0, N_LEVELS_QGAIN - 1 );
+ psEncCtrl->sCmn.GainsIndices[ 0 ] = SKP_LIMIT_int( psEncCtrl->sCmn.GainsIndices[ 0 ], 0, N_LEVELS_QGAIN - 1 );
}
- /* Decode to get Gains in sync with decoder */
+ /* Decode to get gains in sync with decoder */
SKP_Silk_gains_dequant( Gains_Q16, psEncCtrl->sCmn.GainsIndices,
&psEnc->sCmn.LBRRprevLastGainIndex, psEnc->sCmn.nFramesInPayloadBuf, psEnc->sCmn.nb_subfr );
@@ -372,12 +395,9 @@
/*****************************************/
/* Noise shaping quantization */
/*****************************************/
- SKP_Silk_NSQ_wrapper_FLP( psEnc, psEncCtrl, xfw,
- &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ], 1 );
+ SKP_Silk_NSQ_wrapper_FLP( psEnc, psEncCtrl, xfw, &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ], 1 );
} else {
- SKP_memset( &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ], 0,
- psEnc->sCmn.frame_length * sizeof( SKP_int ) );
-
+ SKP_memset( &psEnc->sCmn.q_LBRR[ psEnc->sCmn.nFramesInPayloadBuf * psEnc->sCmn.frame_length ], 0, psEnc->sCmn.frame_length * sizeof( SKP_int8 ) );
psEncCtrl->sCmn.LTP_scaleIndex = 0;
}
/****************************************/
@@ -395,10 +415,7 @@
/* Encode Parameters */
/****************************************/
SKP_Silk_encode_parameters( &psEnc->sCmn, &psEncCtrl->sCmn, &psEnc->sCmn.sRC_LBRR );
-
- /****************************************/
- /* Encode Parameters */
- /****************************************/
+
if( psEnc->sCmn.sRC_LBRR.error ) {
/* Encoder returned error: Clear payload buffer */
nFramesInPayloadBuf = 0;
@@ -446,12 +463,12 @@
*pnBytesOut = nBytes;
} else {
- /* Not enough space: Payload will be discarded */
+ /* Not enough space: payload will be discarded */
*pnBytesOut = 0;
SKP_assert( 0 );
}
} else {
- /* No payload for you this time */
+ /* No payload this time */
*pnBytesOut = 0;
/* Encode that more frames follows */
@@ -461,8 +478,8 @@
}
/* Restore original Gains */
- SKP_memcpy( psEncCtrl->sCmn.GainsIndices, TempGainsIndices, psEnc->sCmn.nb_subfr * sizeof( SKP_int ) );
- SKP_memcpy( psEncCtrl->Gains, TempGains, psEnc->sCmn.nb_subfr * sizeof( SKP_float ) );
+ SKP_memcpy( psEncCtrl->sCmn.GainsIndices, TempGainsIndices, psEnc->sCmn.nb_subfr * sizeof( SKP_int ) );
+ SKP_memcpy( psEncCtrl->Gains, TempGains, psEnc->sCmn.nb_subfr * sizeof( SKP_float ) );
/* Restore LTP scale index and typeoffset */
psEncCtrl->sCmn.LTP_scaleIndex = LTP_scaleIndex;
--- a/src_FLP/SKP_Silk_find_LPC_FLP.c
+++ b/src_FLP/SKP_Silk_find_LPC_FLP.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
void SKP_Silk_find_LPC_FLP(
SKP_float NLSF[], /* O NLSFs */
@@ -57,6 +58,7 @@
/* adding it to the residual energy of the first 10 ms in each iteration of the search below */
res_nrg -= SKP_Silk_burg_modified_FLP( a_tmp, x + ( MAX_NB_SUBFR / 2 ) * subfr_length,
subfr_length, MAX_NB_SUBFR / 2, FIND_LPC_COND_FAC, LPC_order );
+ SKP_Silk_bwexpander_FLP( a_tmp, LPC_order, FIND_LPC_CHIRP );
/* Convert to NLSFs */
SKP_Silk_A2NLSF_FLP( NLSF, a_tmp, LPC_order );
--- a/src_FLP/SKP_Silk_find_LTP_FLP.c
+++ b/src_FLP/SKP_Silk_find_LTP_FLP.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
void SKP_Silk_find_LTP_FLP(
SKP_float b[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */
--- a/src_FLP/SKP_Silk_find_pitch_lags_FLP.c
+++ b/src_FLP/SKP_Silk_find_pitch_lags_FLP.c
@@ -27,6 +27,7 @@
#include <stdlib.h>
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
void SKP_Silk_find_pitch_lags_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
@@ -36,13 +37,14 @@
)
{
SKP_Silk_predict_state_FLP *psPredSt = &psEnc->sPred;
+ SKP_int buf_len;
+ SKP_float thrhld, res_nrg;
const SKP_float *x_buf_ptr, *x_buf;
SKP_float auto_corr[ MAX_FIND_PITCH_LPC_ORDER + 1 ];
SKP_float A[ MAX_FIND_PITCH_LPC_ORDER ];
SKP_float refl_coef[ MAX_FIND_PITCH_LPC_ORDER ];
SKP_float Wsig[ FIND_PITCH_LPC_WIN_MAX ];
- SKP_float thrhld, *Wsig_ptr;
- SKP_int buf_len;
+ SKP_float *Wsig_ptr;
/******************************************/
/* Setup buffer lengths etc based on Fs */
@@ -82,8 +84,11 @@
auto_corr[ 0 ] += auto_corr[ 0 ] * FIND_PITCH_WHITE_NOISE_FRACTION;
/* Calculate the reflection coefficients using Schur */
- SKP_Silk_schur_FLP( refl_coef, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
+ res_nrg = SKP_Silk_schur_FLP( refl_coef, auto_corr, psEnc->sCmn.pitchEstimationLPCOrder );
+ /* Prediction gain */
+ psEncCtrl->predGain = auto_corr[ 0 ] / SKP_max_float( res_nrg, 1.0f );
+
/* Convert reflection coefficients to prediction coefficients */
SKP_Silk_k2a_FLP( A, refl_coef, psEnc->sCmn.pitchEstimationLPCOrder );
@@ -97,16 +102,16 @@
SKP_memset( res, 0, psEnc->sCmn.pitchEstimationLPCOrder * sizeof( SKP_float ) );
/* Threshold for pitch estimator */
- thrhld = 0.5f;
+ thrhld = 0.45f;
thrhld -= 0.004f * psEnc->sCmn.pitchEstimationLPCOrder;
- thrhld -= 0.1f * ( SKP_float )sqrt( psEnc->speech_activity );
- thrhld += 0.14f * psEnc->sCmn.prev_sigtype;
- thrhld -= 0.12f * psEncCtrl->input_tilt;
+ thrhld -= 0.1f * psEnc->speech_activity;
+ thrhld += 0.15f * psEnc->sCmn.prev_sigtype;
+ thrhld -= 0.1f * psEncCtrl->input_tilt;
/*****************************************/
/* Call Pitch estimator */
/*****************************************/
psEncCtrl->sCmn.sigtype = SKP_Silk_pitch_analysis_core_FLP( res, psEncCtrl->sCmn.pitchL, &psEncCtrl->sCmn.lagIndex,
- &psEncCtrl->sCmn.contourIndex, &psEnc->LTPCorr, psEnc->sCmn.prevLag, psEnc->pitchEstimationThreshold,
+ &psEncCtrl->sCmn.contourIndex, &psEnc->LTPCorr, psEnc->sCmn.prevLag, psEnc->sCmn.pitchEstimationThreshold_Q16 / 65536.0f,
thrhld, psEnc->sCmn.fs_kHz, psEnc->sCmn.pitchEstimationComplexity, psEnc->sCmn.nb_subfr );
}
--- a/src_FLP/SKP_Silk_init_encoder_FLP.c
+++ b/src_FLP/SKP_Silk_init_encoder_FLP.c
@@ -39,9 +39,6 @@
/* Clear the entire encoder state */
SKP_memset( psEnc, 0, sizeof( SKP_Silk_encoder_state_FLP ) );
- /* Initialize to 24 kHz API sampling, 24 kHz max internal sampling, 20 ms packets, 25 kbps, 0% packet loss, and init non-zero values */
- ret = SKP_Silk_control_encoder_FLP( psEnc, 24000, 24, 20, 25, 0, 0, 0, 10, 0 );
-
#if HIGH_PASS_INPUT
psEnc->variable_HP_smth1 = SKP_Silk_log2( 70.0 );
psEnc->variable_HP_smth2 = SKP_Silk_log2( 70.0 );
@@ -49,8 +46,6 @@
/* Used to deactivate e.g. LSF interpolation and fluctuation reduction */
psEnc->sCmn.first_frame_after_reset = 1;
- psEnc->sCmn.fs_kHz_changed = 0;
- psEnc->sCmn.LBRR_enabled = 0;
/* Initialize Silk VAD */
ret += SKP_Silk_VAD_Init( &psEnc->sCmn.sVAD );
--- a/src_FLP/SKP_Silk_main_FLP.h
+++ b/src_FLP/SKP_Silk_main_FLP.h
@@ -33,7 +33,9 @@
#include "SKP_Silk_structs_FLP.h"
#include "SKP_Silk_tables_FLP.h"
#include "SKP_Silk_main.h"
-#include "SKP_Silk_define_FLP.h"
+#include "SKP_Silk_define.h"
+#include "SKP_debug.h"
+#include "entenc.h"
/* uncomment to compile without SSE optimizations */
//#undef SKP_USE_SSE
@@ -43,26 +45,6 @@
{
#endif
-void SKP_Silk_LBRR_ctrl_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I Encoder state FLP */
- SKP_Silk_encoder_control *psEncCtrl /* I/O Encoder control */
-);
-
-void SKP_Silk_LTP_scale_ctrl_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- SKP_Silk_encoder_control_FLP *psEncCtrl /* I/O Encoder control FLP */
-);
-
-void SKP_Silk_quant_LTP_gains_FLP(
- SKP_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (Un-)quantized LTP gains */
- SKP_int cbk_index[ MAX_NB_SUBFR ], /* O Codebook index */
- SKP_int *periodicity_index, /* O Periodicity index */
- const SKP_float W[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error weights */
- const SKP_float mu, /* I Mu value (R/D tradeoff) */
- const SKP_int lowComplexity, /* I Flag for low complexity */
- const SKP_int nb_subfr /* I number of subframes */
-);
-
/*********************/
/* Encoder Functions */
/*********************/
@@ -78,25 +60,18 @@
/* Encoder main function */
SKP_int SKP_Silk_encode_frame_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- SKP_int16 *pnBytesOut, /* I/O Number of payload bytes; */
+ SKP_int32 *pnBytesOut, /* I/O Number of payload bytes; */
/* input: max length; output: used */
ec_enc *psRangeEnc, /* I/O compressor data structure */
const SKP_int16 *pIn /* I Input speech frame */
);
-/* Limit, stabilize, and quantize NLSFs */
-void SKP_Silk_process_NLSFs_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- SKP_Silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */
- SKP_float *pNLSF /* I/O NLSFs (quantized output) */
-);
-
/* Low Bitrate Redundancy (LBRR) encoding. Reuse all parameters but encode with lower bitrate */
void SKP_Silk_LBRR_encode_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
SKP_Silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */
SKP_uint8 *pCode, /* O Payload */
- SKP_int16 *pnBytesOut, /* I/O Payload bytes; in: max; out: used */
+ SKP_int32 *pnBytesOut, /* I/O Payload bytes; in: max; out: used */
const SKP_float xfw[] /* I Input signal */
);
@@ -107,22 +82,16 @@
/* Control the Silk encoder */
SKP_int SKP_Silk_control_encoder_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
- const SKP_int32 API_fs_Hz, /* I External (API) sampling rate (Hz) */
- const SKP_int max_internal_fs_kHz,/* I Maximum internal sampling rate (kHz) */
- const SKP_int PacketSize_ms, /* I Packet length (ms) */
- SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) (used if SNR_dB == 0) */
- const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
- const SKP_int INBandFEC_enabled, /* I Enable (1) / disable (0) inband FEC */
- const SKP_int DTX_enabled, /* I Enable / disable DTX */
- const SKP_int InputFramesize_ms, /* I Inputframe in ms */
- const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Pointer to Silk encoder state FLP */
+ const SKP_int PacketSize_ms, /* I Packet length (ms) */
+ const SKP_int32 TargetRate_bps, /* I Target max bitrate (bps) */
+ const SKP_int PacketLoss_perc, /* I Packet loss rate (in percent) */
+ const SKP_int Complexity /* I Complexity (0->low; 1->medium; 2->high) */
);
/****************/
/* Prefiltering */
/****************/
-/* Main Prefilter Function */
void SKP_Silk_prefilter_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
const SKP_Silk_encoder_control_FLP *psEncCtrl, /* I Encoder control FLP */
@@ -150,9 +119,22 @@
const SKP_int order /* I Correlation order (even) */
);
-/**************/
-/* Find pitch */
-/**************/
+/* Control low bitrate redundancy usage */
+void SKP_Silk_LBRR_ctrl_FLP(
+ SKP_Silk_encoder_state_FLP *psEnc, /* I Encoder state FLP */
+ SKP_Silk_encoder_control *psEncCtrlC /* I/O Encoder control */
+);
+
+/* Calculation of LTP state scaling */
+void SKP_Silk_LTP_scale_ctrl_FLP(
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
+ SKP_Silk_encoder_control_FLP *psEncCtrl /* I/O Encoder control FLP */
+);
+
+/**********************************************/
+/* Prediction Analysis */
+/**********************************************/
+/* Find pitch lags */
void SKP_Silk_find_pitch_lags_FLP(
SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
SKP_Silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */
@@ -160,81 +142,26 @@
const SKP_float x[] /* I Speech signal */
);
-/******************/
-/* NLSF Quantizer */
-/******************/
-/* NLSF vector encoder */
-void SKP_Silk_NLSF_MSVQ_encode_FLP(
- SKP_int *NLSFIndices, /* O Codebook path vector [ CB_STAGES ] */
- SKP_float *pNLSF, /* I/O Quantized NLSF vector [ LPC_ORDER ] */
- const SKP_Silk_NLSF_CB_FLP *psNLSF_CB_FLP, /* I Codebook object */
- const SKP_float *pNLSF_q_prev, /* I Prev. quantized NLSF vector [LPC_ORDER] */
- const SKP_float *pW, /* I NLSF weight vector [ LPC_ORDER ] */
- const SKP_float NLSF_mu, /* I Rate weight for the RD optimization */
- const SKP_float NLSF_mu_fluc_red, /* I Fluctuation reduction error weight */
- const SKP_int NLSF_MSVQ_Survivors,/* I Max survivors from each stage */
- const SKP_int LPC_order, /* I LPC order */
- const SKP_int deactivate_fluc_red /* I Deactivate fluctuation reduction */
+/* Find LPC and LTP coefficients */
+void SKP_Silk_find_pred_coefs_FLP(
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
+ SKP_Silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */
+ const SKP_float res_pitch[] /* I Residual from pitch analysis */
);
-/* NLSF vector decoder */
-void SKP_Silk_NLSF_MSVQ_decode_FLP(
- SKP_float *pNLSF, /* O Decoded output vector [ LPC_ORDER ] */
- const SKP_Silk_NLSF_CB_FLP *psNLSF_CB_FLP, /* I NLSF codebook struct */
- const SKP_int *NLSFIndices, /* I NLSF indices [ nStages ] */
- const SKP_int LPC_order /* I LPC order used */
+/* LPC analysis */
+void SKP_Silk_find_LPC_FLP(
+ SKP_float NLSF[], /* O NLSFs */
+ SKP_int *interpIndex, /* O NLSF interp. index for NLSF interp. */
+ const SKP_float prev_NLSFq[], /* I Previous NLSFs, for NLSF interpolation */
+ const SKP_int useInterpNLSFs, /* I Flag */
+ const SKP_int LPC_order, /* I LPC order */
+ const SKP_float x[], /* I Input signal */
+ const SKP_int subfr_length, /* I Subframe length incl preceeding samples */
+ const SKP_int nb_subfr /* I: Number of subframes */
);
-/* Rate-Distortion calculations for multiple input data vectors */
-void SKP_Silk_NLSF_VQ_rate_distortion_FLP(
- SKP_float *pRD, /* O Rate-distortion values [psNLSF_CBS_FLP->nVectors*N] */
- const SKP_Silk_NLSF_CBS_FLP *psNLSF_CBS_FLP, /* I NLSF codebook stage struct */
- const SKP_float *in, /* I Input vectors to be quantized */
- const SKP_float *w, /* I Weight vector */
- const SKP_float *rate_acc, /* I Accumulated rates from previous stage */
- const SKP_float mu, /* I Weight between weighted error and rate */
- const SKP_int N, /* I Number of input vectors to be quantized */
- const SKP_int LPC_order /* I LPC order */
-);
-
-/* compute weighted quantization errors for LPC_order element input vectors, over one codebook stage */
-void SKP_Silk_NLSF_VQ_sum_error_FLP(
- SKP_float *err, /* O Weighted quantization errors [ N * K ] */
- const SKP_float *in, /* I Input vectors [ N * LPC_order ] */
- const SKP_float *w, /* I Weighting vectors [ N * LPC_order ] */
- const SKP_float *pCB, /* I Codebook vectors [ K * LPC_order ] */
- const SKP_int N, /* I Number of input vectors */
- const SKP_int K, /* I Number of codebook vectors */
- const SKP_int LPC_order /* I LPC order */
-);
-
-/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
-SKP_float SKP_Silk_residual_energy_covar_FLP( /* O Weighted residual energy */
- const SKP_float *c, /* I Filter coefficients */
- SKP_float *wXX, /* I/O Weighted correlation matrix, reg. out */
- const SKP_float *wXx, /* I Weighted correlation vector */
- const SKP_float wxx, /* I Weighted correlation value */
- const SKP_int D /* I Dimension */
-);
-
-/* Entropy constrained MATRIX-weighted VQ, for a single input data vector */
-void SKP_Silk_VQ_WMat_EC_FLP(
- SKP_int *ind, /* O Index of best codebook vector */
- SKP_float *rate_dist, /* O Best weighted quant. error + mu * rate */
- const SKP_float *in, /* I Input vector to be quantized */
- const SKP_float *W, /* I Weighting matrix */
- const SKP_int16 *cb, /* I Codebook */
- const SKP_int16 *cl_Q6, /* I Code length for each codebook vector */
- const SKP_float mu, /* I Tradeoff between WSSE and rate */
- const SKP_int L /* I Number of vectors in codebook */
-);
-
-/* Processing of gains */
-void SKP_Silk_process_gains_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- SKP_Silk_encoder_control_FLP *psEncCtrl /* I/O Encoder control FLP */
-);
-
+/* LTP analysis */
void SKP_Silk_find_LTP_FLP(
SKP_float b[ MAX_NB_SUBFR * LTP_ORDER ], /* O LTP coefs */
SKP_float WLTP[ MAX_NB_SUBFR * LTP_ORDER * LTP_ORDER ], /* O Weight for LTP quantization */
@@ -247,17 +174,6 @@
const SKP_int mem_offset /* I Number of samples in LTP memory */
);
-void SKP_Silk_find_LPC_FLP(
- SKP_float NLSF[], /* O NLSFs */
- SKP_int *interpIndex, /* O NLSF interp. index for NLSF interp. */
- const SKP_float prev_NLSFq[], /* I Previous NLSFs, for NLSF interpolation */
- const SKP_int useInterpNLSFs, /* I Flag */
- const SKP_int LPC_order, /* I LPC order */
- const SKP_float x[], /* I Input signal */
- const SKP_int subfr_length, /* I Subframe length incl preceeding samples */
- const SKP_int nb_subfr /* I: Number of subframes */
-);
-
void SKP_Silk_LTP_analysis_filter_FLP(
SKP_float *LTP_res, /* O LTP res MAX_NB_SUBFR*(pre_lgth+subfr_lngth) */
const SKP_float *x, /* I Input signal, with preceeding samples */
@@ -269,6 +185,8 @@
const SKP_int pre_length /* I Preceeding samples for each subframe */
);
+/* Calculates residual energies of input subframes where all subframes have LPC_order */
+/* of preceeding samples */
void SKP_Silk_residual_energy_FLP(
SKP_float nrgs[ MAX_NB_SUBFR ], /* O Residual energy per subframe */
const SKP_float x[], /* I Input signal */
@@ -279,12 +197,6 @@
const SKP_int LPC_order /* I LPC order */
);
-void SKP_Silk_find_pred_coefs_FLP(
- SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
- SKP_Silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */
- const SKP_float res_pitch[] /* I Residual from pitch analysis */
-);
-
/* 16th order LPC analysis filter */
void SKP_Silk_LPC_analysis_filter_FLP(
SKP_float r_LPC[], /* O LPC residual signal */
@@ -326,7 +238,108 @@
const SKP_int length /* I Length of input signal */
);
+/* 6th order LPC analysis filter, does not write first 6 samples */
+void SKP_Silk_LPC_analysis_filter6_FLP(
+ SKP_float r_LPC[], /* O LPC residual signal */
+ const SKP_float PredCoef[], /* I LPC coefficients */
+ const SKP_float s[], /* I Input signal */
+ const SKP_int length /* I Length of input signal */
+);
+
+/* LTP tap quantizer */
+void SKP_Silk_quant_LTP_gains_FLP(
+ SKP_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (Un-)quantized LTP gains */
+ SKP_int cbk_index[ MAX_NB_SUBFR ], /* O Codebook index */
+ SKP_int *periodicity_index, /* O Periodicity index */
+ const SKP_float W[ MAX_NB_SUBFR*LTP_ORDER*LTP_ORDER ], /* I Error weights */
+ const SKP_float mu, /* I Mu value (R/D tradeoff) */
+ const SKP_int lowComplexity, /* I Flag for low complexity */
+ const SKP_int nb_subfr /* I number of subframes */
+);
+
/******************/
+/* NLSF Quantizer */
+/******************/
+/* Limit, stabilize, and quantize NLSFs */
+void SKP_Silk_process_NLSFs_FLP(
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
+ SKP_Silk_encoder_control_FLP *psEncCtrl, /* I/O Encoder control FLP */
+ SKP_float *pNLSF /* I/O NLSFs (quantized output) */
+);
+
+/* NLSF vector encoder */
+void SKP_Silk_NLSF_MSVQ_encode_FLP(
+ SKP_int *NLSFIndices, /* O Codebook path vector [ CB_STAGES ] */
+ SKP_float *pNLSF, /* I/O Quantized NLSF vector [ LPC_ORDER ] */
+ const SKP_Silk_NLSF_CB_FLP *psNLSF_CB_FLP, /* I Codebook object */
+ const SKP_float *pNLSF_q_prev, /* I Prev. quantized NLSF vector [LPC_ORDER] */
+ const SKP_float *pW, /* I NLSF weight vector [ LPC_ORDER ] */
+ const SKP_float NLSF_mu, /* I Rate weight for the RD optimization */
+ const SKP_float NLSF_mu_fluc_red, /* I Fluctuation reduction error weight */
+ const SKP_int NLSF_MSVQ_Survivors,/* I Max survivors from each stage */
+ const SKP_int LPC_order, /* I LPC order */
+ const SKP_int deactivate_fluc_red /* I Deactivate fluctuation reduction */
+);
+
+/* Rate-Distortion calculations for multiple input data vectors */
+void SKP_Silk_NLSF_VQ_rate_distortion_FLP(
+ SKP_float *pRD, /* O Rate-distortion values [psNLSF_CBS_FLP->nVectors*N] */
+ const SKP_Silk_NLSF_CBS_FLP *psNLSF_CBS_FLP, /* I NLSF codebook stage struct */
+ const SKP_float *in, /* I Input vectors to be quantized */
+ const SKP_float *w, /* I Weight vector */
+ const SKP_float *rate_acc, /* I Accumulated rates from previous stage */
+ const SKP_float mu, /* I Weight between weighted error and rate */
+ const SKP_int N, /* I Number of input vectors to be quantized */
+ const SKP_int LPC_order /* I LPC order */
+);
+
+/* Compute weighted quantization errors for an LPC_order element input vector, over one codebook stage */
+void SKP_Silk_NLSF_VQ_sum_error_FLP(
+ SKP_float *err, /* O Weighted quantization errors [ N * K ] */
+ const SKP_float *in, /* I Input vectors [ N * LPC_order ] */
+ const SKP_float *w, /* I Weighting vectors [ N * LPC_order ] */
+ const SKP_float *pCB, /* I Codebook vectors [ K * LPC_order ] */
+ const SKP_int N, /* I Number of input vectors */
+ const SKP_int K, /* I Number of codebook vectors */
+ const SKP_int LPC_order /* I LPC order */
+);
+
+/* NLSF vector decoder */
+void SKP_Silk_NLSF_MSVQ_decode_FLP(
+ SKP_float *pNLSF, /* O Decoded output vector [ LPC_ORDER ] */
+ const SKP_Silk_NLSF_CB_FLP *psNLSF_CB_FLP, /* I NLSF codebook struct */
+ const SKP_int *NLSFIndices, /* I NLSF indices [ nStages ] */
+ const SKP_int LPC_order /* I LPC order used */
+);
+
+/* Residual energy: nrg = wxx - 2 * wXx * c + c' * wXX * c */
+SKP_float SKP_Silk_residual_energy_covar_FLP( /* O Weighted residual energy */
+ const SKP_float *c, /* I Filter coefficients */
+ SKP_float *wXX, /* I/O Weighted correlation matrix, reg. out */
+ const SKP_float *wXx, /* I Weighted correlation vector */
+ const SKP_float wxx, /* I Weighted correlation value */
+ const SKP_int D /* I Dimension */
+);
+
+/* Entropy constrained MATRIX-weighted VQ, for a single input data vector */
+void SKP_Silk_VQ_WMat_EC_FLP(
+ SKP_int *ind, /* O Index of best codebook vector */
+ SKP_float *rate_dist, /* O Best weighted quant. error + mu * rate */
+ const SKP_float *in, /* I Input vector to be quantized */
+ const SKP_float *W, /* I Weighting matrix */
+ const SKP_int16 *cb, /* I Codebook */
+ const SKP_int16 *cl_Q6, /* I Code length for each codebook vector */
+ const SKP_float mu, /* I Tradeoff between WSSE and rate */
+ const SKP_int L /* I Number of vectors in codebook */
+);
+
+/* Processing of gains */
+void SKP_Silk_process_gains_FLP(
+ SKP_Silk_encoder_state_FLP *psEnc, /* I/O Encoder state FLP */
+ SKP_Silk_encoder_control_FLP *psEncCtrl /* I/O Encoder control FLP */
+);
+
+/******************/
/* Linear Algebra */
/******************/
/* Calculates correlation matrix X'*X */
@@ -346,6 +359,7 @@
SKP_float *Xt /* O X'*t correlation vector [order] */
);
+/* Add noise to matrix diagonal */
void SKP_Silk_regularize_correlations_FLP(
SKP_float *XX, /* I/O Correlation matrices */
SKP_float *xx, /* I/O Correlation values */
@@ -353,7 +367,7 @@
const SKP_int D /* I Dimension of XX */
);
-/* Function to solve linear equation Ax = b, when A is an MxM symmetric square matrix */
+/* Function to solve linear equation Ax = b, where A is an MxM symmetric matrix */
void SKP_Silk_solve_LDL_FLP(
SKP_float *A, /* I/O Symmetric square matrix, out: reg. */
const SKP_int M, /* I Size of matrix */
@@ -363,7 +377,6 @@
/* Apply sine window to signal vector. */
/* Window types: */
-/* 0 -> sine window from 0 to pi */
/* 1 -> sine window from 0 to pi/2 */
/* 2 -> sine window from pi/2 to pi */
void SKP_Silk_apply_sine_window_FLP(
--- a/src_FLP/SKP_Silk_noise_shape_analysis_FLP.c
+++ b/src_FLP/SKP_Silk_noise_shape_analysis_FLP.c
@@ -26,7 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
-#include "SKP_Silk_perceptual_parameters.h"
+#include "SKP_Silk_tuning_parameters.h"
/* Compute gain to make warped filter coefficients have a zero mean log frequency response on a */
/* non-warped frequency scale. (So that it can be implemented with a minimum-phase monic filter.) */
@@ -46,27 +46,9 @@
return (SKP_float)( 1.0f / ( 1.0f - lambda * gain ) );
}
-/* Convert warped filter coefficients to monic pseudo-warped coefficients */
+/* Convert warped filter coefficients to monic pseudo-warped coefficients and limit maximum */
+/* amplitude of monic warped coefficients by using bandwidth expansion on the true coefficients */
SKP_INLINE void warped_true2monic_coefs(
- SKP_float *coefs,
- SKP_float lambda,
- SKP_int order
-) {
- SKP_int i;
- SKP_float gain;
-
- lambda = -lambda;
- for( i = order - 1; i > 0; i-- ) {
- coefs[ i - 1 ] += lambda * coefs[ i ];
- }
- gain = ( 1.0f - lambda * lambda ) / ( 1.0f - lambda * coefs[ 0 ] );
- for( i = 0; i < order; i++ ) {
- coefs[ i ] *= gain;
- }
-}
-
-/* Limit max amplitude of monic warped coefficients by using bandwidth expansion on the true coefficients */
-SKP_INLINE void limit_warped_coefs(
SKP_float *coefs_syn,
SKP_float *coefs_ana,
SKP_float lambda,
@@ -73,15 +55,27 @@
SKP_float limit,
SKP_int order
) {
- SKP_int i, iter, ind;
- SKP_float tmp, maxabs, chirp;
+ SKP_int i, iter, ind = 0;
+ SKP_float tmp, maxabs, chirp, gain_syn, gain_ana;
+ /* Convert to monic coefficients */
+ for( i = order - 1; i > 0; i-- ) {
+ coefs_syn[ i - 1 ] -= lambda * coefs_syn[ i ];
+ coefs_ana[ i - 1 ] -= lambda * coefs_ana[ i ];
+ }
+ gain_syn = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_syn[ 0 ] );
+ gain_ana = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_ana[ 0 ] );
+ for( i = 0; i < order; i++ ) {
+ coefs_syn[ i ] *= gain_syn;
+ coefs_ana[ i ] *= gain_ana;
+ }
+
+ /* Limit */
for( iter = 0; iter < 10; iter++ ) {
/* Find maximum absolute value */
- ind = 1;
- maxabs = SKP_abs( coefs_syn[ ind ] );
- for( i = 2; i < order - 1; i++ ) {
- tmp = SKP_abs( coefs_syn[ i ] );
+ maxabs = -1.0f;
+ for( i = 0; i < order; i++ ) {
+ tmp = SKP_max( SKP_abs_float( coefs_syn[ i ] ), SKP_abs_float( coefs_ana[ i ] ) );
if( tmp > maxabs ) {
maxabs = tmp;
ind = i;
@@ -88,14 +82,21 @@
}
}
if( maxabs <= limit ) {
+ /* Coefficients are within range - done */
return;
}
- /* Convert to true warped coefficients */
+ /* Convert back to true warped coefficients */
for( i = 1; i < order; i++ ) {
coefs_syn[ i - 1 ] += lambda * coefs_syn[ i ];
coefs_ana[ i - 1 ] += lambda * coefs_ana[ i ];
}
+ gain_syn = 1.0f / gain_syn;
+ gain_ana = 1.0f / gain_ana;
+ for( i = 0; i < order; i++ ) {
+ coefs_syn[ i ] *= gain_syn;
+ coefs_ana[ i ] *= gain_ana;
+ }
/* Apply bandwidth expansion */
chirp = 0.99f - ( 0.8f + 0.1f * iter ) * ( maxabs - limit ) / ( maxabs * ( ind + 1 ) );
@@ -102,12 +103,19 @@
SKP_Silk_bwexpander_FLP( coefs_syn, order, chirp );
SKP_Silk_bwexpander_FLP( coefs_ana, order, chirp );
- /* Convert back to monic warped coefficients */
+ /* Convert to monic warped coefficients */
for( i = order - 1; i > 0; i-- ) {
coefs_syn[ i - 1 ] -= lambda * coefs_syn[ i ];
coefs_ana[ i - 1 ] -= lambda * coefs_ana[ i ];
}
+ gain_syn = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_syn[ 0 ] );
+ gain_ana = ( 1.0f - lambda * lambda ) / ( 1.0f + lambda * coefs_ana[ 0 ] );
+ for( i = 0; i < order; i++ ) {
+ coefs_syn[ i ] *= gain_syn;
+ coefs_ana[ i ] *= gain_ana;
+ }
}
+ SKP_assert( 0 );
}
/* Compute noise shaping coefficients and initial gain values */
@@ -128,7 +136,7 @@
const SKP_float *x_ptr, *pitch_res_ptr;
/* Point to start of first LPC analysis block */
- x_ptr = x + psEnc->sCmn.la_shape - SHAPE_LPC_WIN_MS * psEnc->sCmn.fs_kHz + psEnc->sCmn.subfr_length;
+ x_ptr = x - psEnc->sCmn.la_shape;
/****************/
/* CONTROL SNR */
@@ -148,7 +156,7 @@
psEncCtrl->input_quality = 0.5f * ( psEncCtrl->input_quality_bands[ 0 ] + psEncCtrl->input_quality_bands[ 1 ] );
/* Coding quality level, between 0.0 and 1.0 */
- psEncCtrl->coding_quality = SKP_sigmoid( 0.25f * ( psEncCtrl->current_SNR_dB - 17.0f ) );
+ psEncCtrl->coding_quality = SKP_sigmoid( 0.25f * ( psEncCtrl->current_SNR_dB - 18.0f ) );
/* Reduce coding SNR during low speech activity */
b = 1.0f - psEnc->speech_activity;
@@ -202,35 +210,48 @@
/*******************************/
/* Control bandwidth expansion */
/*******************************/
+ /* More BWE for signals with high prediction gain */
+ strength = FIND_PITCH_WHITE_NOISE_FRACTION * psEncCtrl->predGain; /* between 0.0 and 1.0 */
+ BWExp1 = BWExp2 = BANDWIDTH_EXPANSION / ( 1.0f + strength * strength );
delta = LOW_RATE_BANDWIDTH_EXPANSION_DELTA * ( 1.0f - 0.75f * psEncCtrl->coding_quality );
- BWExp1 = BANDWIDTH_EXPANSION - delta;
- BWExp2 = BANDWIDTH_EXPANSION + delta;
- if( psEnc->sCmn.fs_kHz == 24 ) {
- /* Less bandwidth expansion for super wideband */
- BWExp1 = 1.0f - ( 1.0f - BWExp1 ) * SWB_BANDWIDTH_EXPANSION_REDUCTION;
- BWExp2 = 1.0f - ( 1.0f - BWExp2 ) * SWB_BANDWIDTH_EXPANSION_REDUCTION;
- }
+ BWExp1 -= delta;
+ BWExp2 += delta;
/* BWExp1 will be applied after BWExp2, so make it relative */
BWExp1 /= BWExp2;
- /* Warping coefficient */
- psEncCtrl->sCmn.warping_Q16 = psEnc->sCmn.fs_kHz * WARPING_MULTIPLIER_Q16;
- psEncCtrl->sCmn.warping_Q16 = SKP_min( psEncCtrl->sCmn.warping_Q16, 32767 );
- warping = (SKP_float)psEncCtrl->sCmn.warping_Q16 / 65536.0f;
+ if( psEnc->sCmn.warping_Q16 > 0 ) {
+ /* Slightly more warping in analysis will move quantization noise up in frequency, where it's better masked */
+ warping = (SKP_float)psEnc->sCmn.warping_Q16 / 65536.0f + 0.01f * psEncCtrl->coding_quality;
+ } else {
+ warping = 0.0f;
+ }
/********************************************/
/* Compute noise shaping AR coefs and gains */
/********************************************/
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
- /* Apply window */
- SKP_Silk_apply_sine_window_FLP( x_windowed, x_ptr, 0, SHAPE_LPC_WIN_MS * psEnc->sCmn.fs_kHz );
+ /* Apply window: sine slope followed by flat part followed by cosine slope */
+ SKP_int shift, slope_part, flat_part;
+ flat_part = psEnc->sCmn.fs_kHz * 3;
+ slope_part = ( psEnc->sCmn.shapeWinLength - flat_part ) / 2;
+ SKP_Silk_apply_sine_window_FLP( x_windowed, x_ptr, 1, slope_part );
+ shift = slope_part;
+ SKP_memcpy( x_windowed + shift, x_ptr + shift, flat_part * sizeof(SKP_float) );
+ shift += flat_part;
+ SKP_Silk_apply_sine_window_FLP( x_windowed + shift, x_ptr + shift, 2, slope_part );
+
/* Update pointer: next LPC analysis block */
x_ptr += psEnc->sCmn.subfr_length;
- /* Calculate warped auto correlation */
- SKP_Silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping,
- SHAPE_LPC_WIN_MS * psEnc->sCmn.fs_kHz, psEnc->sCmn.shapingLPCOrder );
+ if( psEnc->sCmn.warping_Q16 > 0 ) {
+ /* Calculate warped auto correlation */
+ SKP_Silk_warped_autocorrelation_FLP( auto_corr, x_windowed, warping,
+ psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder );
+ } else {
+ /* Calculate regular auto correlation */
+ SKP_Silk_autocorrelation_FLP( auto_corr, x_windowed, psEnc->sCmn.shapeWinLength, psEnc->sCmn.shapingLPCOrder + 1 );
+ }
/* Add white noise, as a fraction of energy */
auto_corr[ 0 ] += auto_corr[ 0 ] * SHAPE_WHITE_NOISE_FRACTION;
@@ -237,10 +258,12 @@
/* Convert correlations to prediction coefficients, and compute residual energy */
nrg = SKP_Silk_levinsondurbin_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], auto_corr, psEnc->sCmn.shapingLPCOrder );
+ psEncCtrl->Gains[ k ] = ( SKP_float )sqrt( nrg );
- /* Convert residual energy to non-warped scale */
- gain_mult = warped_gain( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], warping, psEnc->sCmn.shapingLPCOrder );
- nrg *= gain_mult * gain_mult;
+ if( psEnc->sCmn.warping_Q16 > 0 ) {
+ /* Adjust gain for warping */
+ psEncCtrl->Gains[ k ] *= warped_gain( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], warping, psEnc->sCmn.shapingLPCOrder );
+ }
/* Bandwidth expansion for synthesis filter shaping */
SKP_Silk_bwexpander_FLP( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder, BWExp2 );
@@ -254,21 +277,13 @@
/* Bandwidth expansion for analysis filter shaping */
SKP_Silk_bwexpander_FLP( &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder, BWExp1 );
- /* Increase residual energy */
- nrg += SHAPE_MIN_ENERGY_RATIO * auto_corr[ 0 ];
- psEncCtrl->Gains[ k ] = ( SKP_float )sqrt( nrg );
-
/* Ratio of prediction gains, in energy domain */
SKP_Silk_LPC_inverse_pred_gain_FLP( &pre_nrg, &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder );
SKP_Silk_LPC_inverse_pred_gain_FLP( &nrg, &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], psEnc->sCmn.shapingLPCOrder );
psEncCtrl->GainsPre[ k ] = 1.0f - 0.7f * ( 1.0f - pre_nrg / nrg );
- /* Convert to monic warped prediction coefficients */
- warped_true2monic_coefs( &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ], warping, psEnc->sCmn.shapingLPCOrder );
- warped_true2monic_coefs( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], warping, psEnc->sCmn.shapingLPCOrder );
-
- /* Limit absolute values */
- limit_warped_coefs( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ],
+ /* Convert to monic warped prediction coefficients and limit absolute values */
+ warped_true2monic_coefs( &psEncCtrl->AR2[ k * MAX_SHAPE_LPC_ORDER ], &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ],
warping, 3.999f, psEnc->sCmn.shapingLPCOrder );
}
@@ -285,20 +300,7 @@
psEnc->avgGain += psEnc->speech_activity * GAIN_SMOOTHING_COEF * ( psEncCtrl->Gains[ k ] - psEnc->avgGain );
}
- /************************************************/
- /* Decrease level during fricatives (de-essing) */
- /************************************************/
gain_mult = 1.0f + INPUT_TILT + psEncCtrl->coding_quality * HIGH_RATE_INPUT_TILT;
- if( psEncCtrl->input_tilt <= 0.0f && psEncCtrl->sCmn.sigtype == SIG_TYPE_UNVOICED ) {
- SKP_float essStrength = -psEncCtrl->input_tilt * psEnc->speech_activity * ( 1.0f - psEncCtrl->sparseness );
- if( psEnc->sCmn.fs_kHz == 24 ) {
- gain_mult *= ( SKP_float )pow( 2.0f, -0.16f * DE_ESSER_COEF_SWB_dB * essStrength );
- } else if( psEnc->sCmn.fs_kHz == 16 ) {
- gain_mult *= (SKP_float)pow( 2.0f, -0.16f * DE_ESSER_COEF_WB_dB * essStrength );
- } else {
- SKP_assert( psEnc->sCmn.fs_kHz == 12 || psEnc->sCmn.fs_kHz == 8 );
- }
- }
for( k = 0; k < psEnc->sCmn.nb_subfr; k++ ) {
psEncCtrl->GainsPre[ k ] *= gain_mult;
@@ -324,8 +326,8 @@
psEncCtrl->LF_MA_shp[ 0 ] = -1.0f + b;
psEncCtrl->LF_AR_shp[ 0 ] = 1.0f - b - b * strength * 0.6f;
for( k = 1; k < psEnc->sCmn.nb_subfr; k++ ) {
- psEncCtrl->LF_MA_shp[ k ] = psEncCtrl->LF_MA_shp[ k - 1 ];
- psEncCtrl->LF_AR_shp[ k ] = psEncCtrl->LF_AR_shp[ k - 1 ];
+ psEncCtrl->LF_MA_shp[ k ] = psEncCtrl->LF_MA_shp[ 0 ];
+ psEncCtrl->LF_AR_shp[ k ] = psEncCtrl->LF_AR_shp[ 0 ];
}
Tilt = -HP_NOISE_COEF;
}
--- a/src_FLP/SKP_Silk_prefilter_FLP.c
+++ b/src_FLP/SKP_Silk_prefilter_FLP.c
@@ -26,7 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
-#include "SKP_Silk_perceptual_parameters.h"
+#include "SKP_Silk_tuning_parameters.h"
/*
* SKP_Silk_prefilter. Prefilter for finding Quantizer input signal
@@ -124,11 +124,11 @@
LF_AR_shp = psEncCtrl->LF_AR_shp[ k ];
AR1_shp = &psEncCtrl->AR1[ k * MAX_SHAPE_LPC_ORDER ];
- /* Short term FIR filtering*/
- SKP_Silk_warped_LPC_analysis_filter_FLP( P->sAR_shp1, st_res, AR1_shp, px,
- (SKP_float)psEncCtrl->sCmn.warping_Q16 / 65536.0f, psEnc->sCmn.subfr_length, psEnc->sCmn.shapingLPCOrder );
+ /* Short term FIR filtering */
+ SKP_Silk_warped_LPC_analysis_filter_FLP( P->sAR_shp, st_res, AR1_shp, px,
+ (SKP_float)psEnc->sCmn.warping_Q16 / 65536.0f, psEnc->sCmn.subfr_length, psEnc->sCmn.shapingLPCOrder );
- /* reduce (mainly) low frequencies during harmonic emphasis */
+ /* Reduce (mainly) low frequencies during harmonic emphasis */
B[ 0 ] = psEncCtrl->GainsPre[ k ];
B[ 1 ] = -psEncCtrl->GainsPre[ k ] *
( psEncCtrl->HarmBoost[ k ] * HarmShapeGain + INPUT_TILT + psEncCtrl->coding_quality * HIGH_RATE_INPUT_TILT );
@@ -147,7 +147,7 @@
}
/*
-* SKP_Silk_prefilter_part1. Prefilter for finding Quantizer input signal
+* Prefilter for finding Quantizer input signal
*/
SKP_INLINE void SKP_Silk_prefilt_FLP(
SKP_Silk_prefilter_state_FLP *P,/* I/O state */
@@ -168,10 +168,10 @@
SKP_float *LTP_shp_buf;
/* To speed up use temp variables instead of using the struct */
- LTP_shp_buf = P->sLTP_shp1;
- LTP_shp_buf_idx = P->sLTP_shp_buf_idx1;
- sLF_AR_shp = P->sLF_AR_shp1;
- sLF_MA_shp = P->sLF_MA_shp1;
+ LTP_shp_buf = P->sLTP_shp;
+ LTP_shp_buf_idx = P->sLTP_shp_buf_idx;
+ sLF_AR_shp = P->sLF_AR_shp;
+ sLF_MA_shp = P->sLF_MA_shp;
for( i = 0; i < length; i++ ) {
if( lag > 0 ) {
@@ -196,7 +196,7 @@
xw[ i ] = sLF_MA_shp - n_LTP;
}
/* Copy temp variable back to state */
- P->sLF_AR_shp1 = sLF_AR_shp;
- P->sLF_MA_shp1 = sLF_MA_shp;
- P->sLTP_shp_buf_idx1 = LTP_shp_buf_idx;
+ P->sLF_AR_shp = sLF_AR_shp;
+ P->sLF_MA_shp = sLF_MA_shp;
+ P->sLTP_shp_buf_idx = LTP_shp_buf_idx;
}
--- a/src_FLP/SKP_Silk_process_gains_FLP.c
+++ b/src_FLP/SKP_Silk_process_gains_FLP.c
@@ -26,6 +26,7 @@
***********************************************************************/
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
/* Processing of gains */
void SKP_Silk_process_gains_FLP(
@@ -36,7 +37,7 @@
SKP_Silk_shape_state_FLP *psShapeSt = &psEnc->sShape;
SKP_int k;
SKP_int32 pGains_Q16[ MAX_NB_SUBFR ];
- SKP_float s, InvMaxSqrVal, gain;
+ SKP_float s, InvMaxSqrVal, gain, quant_offset;
/* Gain reduction when LTP coding gain is high */
if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
@@ -79,18 +80,14 @@
}
/* Quantizer boundary adjustment */
- if( psEncCtrl->sCmn.sigtype == SIG_TYPE_VOICED ) {
- psEncCtrl->Lambda = 1.2f - 0.4f * psEnc->speech_activity
- - 0.3f * psEncCtrl->input_quality
- + 0.2f * psEncCtrl->sCmn.QuantOffsetType
- - 0.1f * psEncCtrl->coding_quality;
- } else {
- psEncCtrl->Lambda = 1.2f - 0.4f * psEnc->speech_activity
- - 0.4f * psEncCtrl->input_quality
- + 0.4f * psEncCtrl->sCmn.QuantOffsetType
- - 0.1f * psEncCtrl->coding_quality;
- }
+ quant_offset = SKP_Silk_Quantization_Offsets_Q10[ psEncCtrl->sCmn.sigtype ][ psEncCtrl->sCmn.QuantOffsetType ] / 1024.0f;
+ psEncCtrl->Lambda = LAMBDA_OFFSET
+ + LAMBDA_DELAYED_DECISIONS * psEnc->sCmn.nStatesDelayedDecision
+ + LAMBDA_SPEECH_ACT * psEnc->speech_activity
+ + LAMBDA_INPUT_QUALITY * psEncCtrl->input_quality
+ + LAMBDA_CODING_QUALITY * psEncCtrl->coding_quality
+ + LAMBDA_QUANT_OFFSET * quant_offset;
- SKP_assert( psEncCtrl->Lambda >= 0.0f );
- SKP_assert( psEncCtrl->Lambda < 2.0f );
+ SKP_assert( psEncCtrl->Lambda > 0.0f );
+ SKP_assert( psEncCtrl->Lambda < 2.0f );
}
--- a/src_FLP/SKP_Silk_quant_LTP_gains_FLP.c
+++ b/src_FLP/SKP_Silk_quant_LTP_gains_FLP.c
@@ -27,6 +27,8 @@
#include "SKP_Silk_main_FLP.h"
+#define Q14_CONVERSION_FAC 6.1035e-005f // 1 / 2^14
+
void SKP_Silk_quant_LTP_gains_FLP(
SKP_float B[ MAX_NB_SUBFR * LTP_ORDER ], /* I/O (Un-)quantized LTP gains */
SKP_int cbk_index[ MAX_NB_SUBFR ], /* O Codebook index */
@@ -83,7 +85,7 @@
if( rate_dist < min_rate_dist ) {
min_rate_dist = rate_dist;
- SKP_memcpy( cbk_index, temp_idx, nb_subfr * sizeof( SKP_int ) );
+ SKP_memcpy( cbk_index, temp_idx, nb_subfr * sizeof( SKP_int ) );
*periodicity_index = k;
}
--- a/src_FLP/SKP_Silk_solve_LS_FLP.c
+++ b/src_FLP/SKP_Silk_solve_LS_FLP.c
@@ -25,8 +25,8 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
-
#include "SKP_Silk_main_FLP.h"
+#include "SKP_Silk_tuning_parameters.h"
/**********************************************************************
* LDL Factorisation. Finds the upper triangular matrix L and the diagonal
@@ -190,7 +190,7 @@
ptr2 = matrix_adr( L, j + 1, 0, M);
for( i = j + 1; i < M; i++ ) {
temp = 0.0;
- for( k = 0; k < j; k++ ) {
+ for( k = 0; k < j; k++ ) {
temp += ptr2[ k ] * v[ k ];
}
matrix_ptr( L, i, j, M ) = ( SKP_float )( ( ptr1[ i ] - temp ) * Dinv[ j ] );
--- a/src_FLP/SKP_Silk_structs_FLP.h
+++ b/src_FLP/SKP_Silk_structs_FLP.h
@@ -50,17 +50,11 @@
/* Prefilter state */
/********************************/
typedef struct {
- SKP_float sLTP_shp1[ LTP_BUF_LENGTH ];
- SKP_float sLTP_shp2[ LTP_BUF_LENGTH ];
- SKP_float sAR_shp1[ MAX_SHAPE_LPC_ORDER + 1 ];
- SKP_float sAR_shp2[ MAX_SHAPE_LPC_ORDER ];
- SKP_int sLTP_shp_buf_idx1;
- SKP_int sLTP_shp_buf_idx2;
- SKP_int sAR_shp_buf_idx2;
- SKP_float sLF_AR_shp1;
- SKP_float sLF_MA_shp1;
- SKP_float sLF_AR_shp2;
- SKP_float sLF_MA_shp2;
+ SKP_float sLTP_shp[ LTP_BUF_LENGTH ];
+ SKP_float sAR_shp[ MAX_SHAPE_LPC_ORDER + 1 ];
+ SKP_int sLTP_shp_buf_idx;
+ SKP_float sLF_AR_shp;
+ SKP_float sLF_MA_shp;
SKP_float sHarmHP;
SKP_int32 rand_seed;
SKP_int lagPrev;
@@ -122,7 +116,6 @@
SKP_float avgGain; /* average gain during active speech */
SKP_float BufferedInChannel_ms; /* Simulated number of ms buffer in channel because of exceeded TargetRate_bps */
SKP_float speech_activity; /* Speech activity */
- SKP_float pitchEstimationThreshold; /* Threshold for pitch estimator */
/* Parameters for LTP scaling control */
SKP_float prevLTPredCodGain;
@@ -163,6 +156,7 @@
/* Measures */
SKP_float sparseness;
+ SKP_float predGain;
SKP_float LTPredCodGain;
SKP_float input_quality_bands[ VAD_N_BANDS ];
SKP_float input_tilt;
--- a/src_FLP/SKP_Silk_tables_FLP.h
+++ b/src_FLP/SKP_Silk_tables_FLP.h
@@ -30,6 +30,11 @@
#include "SKP_Silk_structs_FLP.h"
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
/* filters */
extern const SKP_float SKP_Silk_HarmShapeFIR_FLP[ HARM_SHAPE_FIR_TAPS ];
@@ -39,5 +44,9 @@
/* NLSF codebooks */
extern const SKP_Silk_NLSF_CB_FLP SKP_Silk_NLSF_CB0_16_FLP, SKP_Silk_NLSF_CB1_16_FLP;
extern const SKP_Silk_NLSF_CB_FLP SKP_Silk_NLSF_CB0_10_FLP, SKP_Silk_NLSF_CB1_10_FLP;
+
+#ifdef __cplusplus
+}
+#endif
#endif
--- a/src_FLP/SKP_Silk_tables_NLSF_CB0_10_FLP.c
+++ b/src_FLP/SKP_Silk_tables_NLSF_CB0_10_FLP.c
@@ -28,7 +28,7 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 5.32 kB */
+/* ROM usage: 5.68 kB */
/**********************************************/
#include "SKP_Silk_tables_FLP.h"
@@ -36,685 +36,729 @@
const SKP_float SKP_Silk_NLSF_MSVQ_CB0_10_rates[ NLSF_MSVQ_CB0_10_VECTORS ] =
{
- 4.62500000000000000000f, 5.21875000000000000000f,
- 5.28125000000000000000f, 5.31250000000000000000f,
- 5.31250000000000000000f, 5.40625000000000000000f,
- 5.40625000000000000000f, 5.46875000000000000000f,
+ 4.75000000000000000000f, 4.75000000000000000000f,
+ 4.87500000000000000000f, 5.12500000000000000000f,
+ 5.37500000000000000000f, 5.37500000000000000000f,
+ 5.43750000000000000000f, 5.43750000000000000000f,
+ 5.43750000000000000000f, 5.50000000000000000000f,
5.50000000000000000000f, 5.50000000000000000000f,
- 5.50000000000000000000f, 5.53125000000000000000f,
- 5.59375000000000000000f, 5.65625000000000000000f,
- 5.65625000000000000000f, 5.65625000000000000000f,
- 5.71875000000000000000f, 5.71875000000000000000f,
- 5.71875000000000000000f, 5.75000000000000000000f,
- 5.78125000000000000000f, 5.78125000000000000000f,
- 5.78125000000000000000f, 5.78125000000000000000f,
- 5.81250000000000000000f, 5.90625000000000000000f,
- 5.90625000000000000000f, 5.90625000000000000000f,
- 5.96875000000000000000f, 5.96875000000000000000f,
- 5.96875000000000000000f, 6.06250000000000000000f,
+ 5.56250000000000000000f, 5.56250000000000000000f,
+ 5.62500000000000000000f, 5.62500000000000000000f,
+ 5.62500000000000000000f, 5.68750000000000000000f,
+ 5.75000000000000000000f, 5.75000000000000000000f,
+ 5.75000000000000000000f, 5.87500000000000000000f,
+ 5.87500000000000000000f, 5.87500000000000000000f,
+ 5.93750000000000000000f, 5.93750000000000000000f,
+ 6.00000000000000000000f, 6.00000000000000000000f,
+ 6.00000000000000000000f, 6.06250000000000000000f,
6.06250000000000000000f, 6.06250000000000000000f,
- 6.09375000000000000000f, 6.09375000000000000000f,
+ 6.12500000000000000000f, 6.12500000000000000000f,
+ 6.12500000000000000000f, 6.12500000000000000000f,
6.12500000000000000000f, 6.18750000000000000000f,
- 6.21875000000000000000f, 6.25000000000000000000f,
- 6.28125000000000000000f, 6.28125000000000000000f,
- 6.31250000000000000000f, 6.34375000000000000000f,
+ 6.18750000000000000000f, 6.25000000000000000000f,
+ 6.25000000000000000000f, 6.25000000000000000000f,
+ 6.31250000000000000000f, 6.31250000000000000000f,
+ 6.31250000000000000000f, 6.37500000000000000000f,
6.37500000000000000000f, 6.37500000000000000000f,
- 6.40625000000000000000f, 6.40625000000000000000f,
- 6.43750000000000000000f, 6.53125000000000000000f,
- 6.56250000000000000000f, 6.56250000000000000000f,
- 6.65625000000000000000f, 6.68750000000000000000f,
- 6.81250000000000000000f, 6.87500000000000000000f,
- 6.90625000000000000000f, 7.06250000000000000000f,
- 7.21875000000000000000f, 7.31250000000000000000f,
- 7.46875000000000000000f, 8.00000000000000000000f,
+ 6.43750000000000000000f, 6.43750000000000000000f,
+ 6.43750000000000000000f, 6.50000000000000000000f,
+ 6.75000000000000000000f, 6.75000000000000000000f,
+ 6.75000000000000000000f, 7.12500000000000000000f,
+ 7.56250000000000000000f, 7.68750000000000000000f,
8.00000000000000000000f, 8.00000000000000000000f,
- 3.71875000000000000000f, 3.84375000000000000000f,
- 3.84375000000000000000f, 3.84375000000000000000f,
- 3.90625000000000000000f, 3.93750000000000000000f,
+ 8.00000000000000000000f, 8.00000000000000000000f,
+ 8.00000000000000000000f, 8.00000000000000000000f,
+ 3.68750000000000000000f, 3.68750000000000000000f,
+ 3.75000000000000000000f, 3.81250000000000000000f,
3.93750000000000000000f, 3.93750000000000000000f,
- 4.00000000000000000000f, 4.06250000000000000000f,
- 4.06250000000000000000f, 4.09375000000000000000f,
- 4.09375000000000000000f, 4.21875000000000000000f,
- 4.31250000000000000000f, 4.34375000000000000000f,
+ 3.93750000000000000000f, 3.93750000000000000000f,
+ 3.93750000000000000000f, 4.06250000000000000000f,
+ 4.12500000000000000000f, 4.18750000000000000000f,
+ 4.18750000000000000000f, 4.18750000000000000000f,
+ 4.50000000000000000000f, 4.56250000000000000000f,
+ 2.87500000000000000000f, 2.87500000000000000000f,
+ 3.00000000000000000000f, 3.00000000000000000000f,
+ 3.00000000000000000000f, 3.06250000000000000000f,
+ 3.12500000000000000000f, 3.12500000000000000000f,
+ 2.68750000000000000000f, 2.87500000000000000000f,
2.93750000000000000000f, 2.93750000000000000000f,
- 2.96875000000000000000f, 2.96875000000000000000f,
3.00000000000000000000f, 3.06250000000000000000f,
- 3.06250000000000000000f, 3.09375000000000000000f,
- 2.90625000000000000000f, 2.90625000000000000000f,
- 2.96875000000000000000f, 3.00000000000000000000f,
- 3.00000000000000000000f, 3.03125000000000000000f,
- 3.06250000000000000000f, 3.12500000000000000000f,
- 2.87500000000000000000f, 2.90625000000000000000f,
- 3.03125000000000000000f, 3.03125000000000000000f,
- 3.03125000000000000000f, 3.03125000000000000000f,
+ 3.25000000000000000000f, 3.31250000000000000000f,
+ 2.87500000000000000000f, 2.93750000000000000000f,
+ 2.93750000000000000000f, 2.93750000000000000000f,
3.06250000000000000000f, 3.06250000000000000000f,
- 3.90625000000000000000f, 3.93750000000000000000f,
- 3.93750000000000000000f, 3.96875000000000000000f,
- 3.96875000000000000000f, 4.00000000000000000000f,
+ 3.06250000000000000000f, 3.06250000000000000000f,
+ 2.87500000000000000000f, 2.93750000000000000000f,
+ 3.00000000000000000000f, 3.00000000000000000000f,
+ 3.00000000000000000000f, 3.06250000000000000000f,
+ 3.06250000000000000000f, 3.12500000000000000000f,
+ 3.75000000000000000000f, 3.75000000000000000000f,
+ 3.81250000000000000000f, 3.81250000000000000000f,
+ 3.81250000000000000000f, 3.81250000000000000000f,
+ 3.87500000000000000000f, 3.93750000000000000000f,
4.00000000000000000000f, 4.00000000000000000000f,
- 4.00000000000000000000f, 4.00000000000000000000f,
- 4.03125000000000000000f, 4.03125000000000000000f,
- 4.03125000000000000000f, 4.06250000000000000000f,
- 4.06250000000000000000f, 4.09375000000000000000f
+ 4.06250000000000000000f, 4.18750000000000000000f,
+ 4.18750000000000000000f, 4.31250000000000000000f,
+ 4.31250000000000000000f, 4.75000000000000000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB0_10_ndelta_min[ 10 + 1 ] =
{
- 0.01718139648437500000f,
- 0.00009155273437500000f,
+ 0.01687622070312500000f,
+ 0.00015258789062500000f,
0.00067138671874999989f,
- 0.00061035156250000000f,
+ 0.00057983398437500000f,
0.00009155273437500000f,
0.00009155273437500000f,
- 0.00402832031250000000f,
- 0.00363159179687500000f,
- 0.01092529296875000000f,
- 0.00262451171875000000f,
- 0.02941894531250000300f
+ 0.00549316406250000000f,
+ 0.00494384765625000000f,
+ 0.00933837890625000000f,
+ 0.00521850585937500000f,
+ 0.03024291992187500000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * NLSF_MSVQ_CB0_10_VECTORS ] =
{
- 0.06744384765625000000f, 0.12277221679687500000f,
- 0.21304321289062497000f, 0.28259277343750000000f,
- 0.38369750976562500000f, 0.47872924804687500000f,
- 0.58615112304687500000f, 0.68307495117187489000f,
- 0.79287719726562500000f, 0.88934326171875011000f,
- 0.10025024414062500000f, 0.12731933593750000000f,
- 0.18664550781250003000f, 0.33129882812500000000f,
- 0.46658325195312494000f, 0.51348876953125000000f,
- 0.60122680664062500000f, 0.67169189453125000000f,
- 0.75442504882812500000f, 0.89456176757812500000f,
- 0.04742431640624999300f, 0.07662963867187500000f,
- 0.20071411132812500000f, 0.31546020507812500000f,
- 0.42227172851562494000f, 0.50387573242187500000f,
- 0.61297607421875000000f, 0.70843505859375000000f,
- 0.80810546875000000000f, 0.89916992187500000000f,
- 0.09344482421875000000f, 0.12258911132812500000f,
- 0.17611694335937500000f, 0.30630493164062500000f,
- 0.40786743164062500000f, 0.45629882812500000000f,
- 0.61462402343750000000f, 0.69857788085937500000f,
- 0.76992797851562500000f, 0.90341186523437500000f,
- 0.06362915039062500000f, 0.10549926757812500000f,
- 0.18109130859375000000f, 0.26605224609375000000f,
- 0.35098266601562494000f, 0.41717529296875000000f,
- 0.54922485351562500000f, 0.66580200195312500000f,
- 0.76095581054687489000f, 0.87722778320312500000f,
- 0.08471679687500000000f, 0.12490844726562501000f,
- 0.19595336914062500000f, 0.31777954101562500000f,
- 0.46115112304687500000f, 0.51287841796875000000f,
- 0.63552856445312500000f, 0.72711181640625000000f,
- 0.80285644531250000000f, 0.89755249023437500000f,
- 0.08291625976562498600f, 0.12310791015625000000f,
- 0.17385864257812500000f, 0.25827026367187500000f,
- 0.43643188476562500000f, 0.49908447265625000000f,
- 0.58004760742187500000f, 0.71450805664062500000f,
- 0.78771972656249989000f, 0.86993408203125011000f,
- 0.08764648437500000000f, 0.11297607421875001000f,
- 0.17947387695312500000f, 0.33673095703124994000f,
- 0.52310180664062500000f, 0.57614135742187500000f,
- 0.64532470703125000000f, 0.71566772460937500000f,
- 0.78787231445312500000f, 0.90332031250000000000f,
- 0.09152221679687500000f, 0.12252807617187500000f,
- 0.22451782226562500000f, 0.34237670898437500000f,
- 0.39263916015625000000f, 0.52816772460937500000f,
- 0.61282348632812500000f, 0.69104003906250000000f,
- 0.81707763671875000000f, 0.88827514648437500000f,
- 0.08978271484375000000f, 0.11798095703125000000f,
- 0.18060302734375003000f, 0.36361694335937500000f,
- 0.42446899414062500000f, 0.49047851562500000000f,
- 0.62417602539062500000f, 0.67990112304687500000f,
- 0.83343505859375000000f, 0.91021728515625011000f,
- 0.06930541992187500000f, 0.10763549804687500000f,
- 0.20159912109375000000f, 0.29690551757812500000f,
- 0.39498901367187506000f, 0.53045654296875000000f,
- 0.61718750000000000000f, 0.68191528320312500000f,
- 0.75079345703125000000f, 0.86334228515624989000f,
- 0.06735229492187500000f, 0.10101318359375000000f,
- 0.17834472656250000000f, 0.28500366210937500000f,
- 0.33999633789062500000f, 0.47763061523437506000f,
- 0.56689453125000000000f, 0.64627075195312511000f,
- 0.77975463867187489000f, 0.86145019531250011000f,
- 0.12094116210937500000f, 0.15182495117187500000f,
- 0.21060180664062500000f, 0.35363769531250000000f,
- 0.41094970703125000000f, 0.47537231445312494000f,
- 0.58688354492187500000f, 0.65209960937500000000f,
- 0.77850341796875000000f, 0.84713745117187500000f,
- 0.08389282226562500000f, 0.10830688476562500000f,
- 0.21258544921875000000f, 0.42138671875000000000f,
- 0.47769165039062500000f, 0.53848266601562500000f,
- 0.61309814453125000000f, 0.68966674804687511000f,
- 0.80770874023437500000f, 0.87088012695312489000f,
- 0.06488037109375000000f, 0.10693359375000001000f,
- 0.15591430664062500000f, 0.30377197265625000000f,
- 0.38299560546875006000f, 0.44616699218750000000f,
- 0.60128784179687500000f, 0.66183471679687500000f,
- 0.80740356445312500000f, 0.88824462890625000000f,
- 0.12103271484375000000f, 0.17532348632812500000f,
- 0.22711181640625000000f, 0.29776000976562500000f,
- 0.44152832031250000000f, 0.50061035156250000000f,
- 0.58395385742187500000f, 0.70336914062500000000f,
- 0.77438354492187489000f, 0.86642456054687500000f,
- 0.09756469726562500000f, 0.14498901367187500000f,
- 0.19686889648437500000f, 0.28375244140625000000f,
- 0.39788818359374994000f, 0.45391845703125000000f,
- 0.54815673828125000000f, 0.62948608398437500000f,
- 0.72738647460937500000f, 0.86865234375000000000f,
- 0.09750366210937500000f, 0.12454223632812500000f,
- 0.19833374023437500000f, 0.37390136718750000000f,
- 0.43606567382812500000f, 0.48950195312500000000f,
- 0.56021118164062500000f, 0.63262939453125000000f,
- 0.82336425781250000000f, 0.89443969726562489000f,
- 0.04678344726562500000f, 0.07540893554687500000f,
- 0.13690185546875000000f, 0.23791503906250000000f,
- 0.37634277343750000000f, 0.48089599609375000000f,
- 0.59713745117187500000f, 0.68048095703124989000f,
- 0.78347778320312489000f, 0.88656616210937511000f,
- 0.06109619140625000000f, 0.09066772460937500000f,
- 0.15213012695312500000f, 0.24667358398437497000f,
- 0.40225219726562500000f, 0.47103881835937500000f,
- 0.55654907226562500000f, 0.65664672851562500000f,
- 0.75057983398437500000f, 0.86520385742187500000f,
- 0.11621093750000000000f, 0.15029907226562500000f,
- 0.20477294921875003000f, 0.31130981445312500000f,
- 0.36654663085937500000f, 0.43640136718750000000f,
- 0.56326293945312500000f, 0.62228393554687500000f,
- 0.80947875976562500000f, 0.88366699218750000000f,
- 0.06961059570312500000f, 0.10430908203125000000f,
- 0.15194702148437500000f, 0.26629638671875000000f,
- 0.48718261718750000000f, 0.55249023437500000000f,
- 0.61798095703125000000f, 0.69491577148437500000f,
- 0.77166748046875000000f, 0.88360595703125000000f,
- 0.09310913085937500000f, 0.16720581054687500000f,
- 0.22247314453125000000f, 0.30053710937500000000f,
- 0.38891601562500000000f, 0.44259643554687500000f,
- 0.56961059570312500000f, 0.72277832031250000000f,
- 0.79544067382812511000f, 0.88339233398437500000f,
- 0.07214355468750000000f, 0.10879516601562499000f,
- 0.16790771484375000000f, 0.29360961914062500000f,
- 0.45538330078125000000f, 0.50723266601562500000f,
- 0.57998657226562500000f, 0.64074707031250000000f,
- 0.80291748046875000000f, 0.89422607421875000000f,
- 0.12490844726562501000f, 0.15905761718750000000f,
- 0.20852661132812500000f, 0.30151367187500000000f,
- 0.49752807617187500000f, 0.55804443359375000000f,
- 0.62777709960937500000f, 0.72064208984375000000f,
- 0.79550170898437500000f, 0.88891601562500000000f,
- 0.08975219726562500000f, 0.12194824218750000000f,
- 0.18426513671875000000f, 0.32464599609374994000f,
- 0.38659667968750000000f, 0.44100952148437500000f,
- 0.51263427734375000000f, 0.59179687500000000000f,
- 0.79501342773437500000f, 0.87026977539062489000f,
- 0.11788940429687500000f, 0.15905761718750000000f,
- 0.21420288085937500000f, 0.28894042968750000000f,
- 0.33688354492187500000f, 0.40325927734374994000f,
- 0.60858154296875000000f, 0.68188476562500000000f,
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+ -0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00781250000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.01953125000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.01562500000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, 0.01953125000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00781250000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, -0.00781250000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.01171875000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00781250000000000000f,
+ 0.00390625000000000000f, -0.00781250000000000000f,
+ 0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.01171875000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, -0.00781250000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.01171875000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.01171875000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00781250000000000000f,
+ -0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00781250000000000000f,
+ -0.00781250000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00781250000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00781250000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00781250000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00781250000000000000f, -0.00781250000000000000f,
+ 0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f
};
const SKP_Silk_NLSF_CBS_FLP SKP_Silk_NLSF_CB0_10_Stage_info_FLP[ NLSF_MSVQ_CB0_10_STAGES ] =
@@ -724,7 +768,8 @@
{ 8, &SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * 80 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates[ 80 ] },
{ 8, &SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * 88 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates[ 88 ] },
{ 8, &SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * 96 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates[ 96 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * 104 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates[ 104 ] }
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * 104 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates[ 104 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_10[ 10 * 112 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates[ 112 ] }
};
const SKP_Silk_NLSF_CB_FLP SKP_Silk_NLSF_CB0_10_FLP =
--- a/src_FLP/SKP_Silk_tables_NLSF_CB0_16_FLP.c
+++ b/src_FLP/SKP_Silk_tables_NLSF_CB0_16_FLP.c
@@ -28,7 +28,7 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 14.76 kB */
+/* ROM usage: 10.40 kB */
/**********************************************/
#include "SKP_Silk_tables_FLP.h"
@@ -36,1881 +36,1337 @@
const SKP_float SKP_Silk_NLSF_MSVQ_CB0_16_rates[ NLSF_MSVQ_CB0_16_VECTORS ] =
{
- 5.50000000000000000000f, 5.65625000000000000000f,
- 5.68750000000000000000f, 5.71875000000000000000f,
+ 4.62500000000000000000f, 4.75000000000000000000f,
+ 4.81250000000000000000f, 5.06250000000000000000f,
+ 5.25000000000000000000f, 5.25000000000000000000f,
+ 5.31250000000000000000f, 5.50000000000000000000f,
+ 5.56250000000000000000f, 5.56250000000000000000f,
+ 5.56250000000000000000f, 5.62500000000000000000f,
+ 5.75000000000000000000f, 5.81250000000000000000f,
5.81250000000000000000f, 5.81250000000000000000f,
- 5.96875000000000000000f, 5.96875000000000000000f,
- 5.96875000000000000000f, 6.12500000000000000000f,
- 6.15625000000000000000f, 6.28125000000000000000f,
- 6.34375000000000000000f, 6.43750000000000000000f,
- 6.43750000000000000000f, 6.43750000000000000000f,
- 6.46875000000000000000f, 6.46875000000000000000f,
- 6.53125000000000000000f, 6.53125000000000000000f,
- 6.53125000000000000000f, 6.53125000000000000000f,
- 6.56250000000000000000f, 6.56250000000000000000f,
- 6.56250000000000000000f, 6.59375000000000000000f,
- 6.59375000000000000000f, 6.59375000000000000000f,
+ 5.87500000000000000000f, 5.87500000000000000000f,
+ 5.87500000000000000000f, 5.87500000000000000000f,
+ 5.93750000000000000000f, 5.93750000000000000000f,
+ 5.93750000000000000000f, 6.00000000000000000000f,
+ 6.00000000000000000000f, 6.00000000000000000000f,
+ 6.00000000000000000000f, 6.06250000000000000000f,
+ 6.06250000000000000000f, 6.12500000000000000000f,
+ 6.12500000000000000000f, 6.12500000000000000000f,
+ 6.12500000000000000000f, 6.18750000000000000000f,
+ 6.18750000000000000000f, 6.18750000000000000000f,
+ 6.25000000000000000000f, 6.25000000000000000000f,
+ 6.25000000000000000000f, 6.25000000000000000000f,
+ 6.25000000000000000000f, 6.31250000000000000000f,
+ 6.31250000000000000000f, 6.31250000000000000000f,
+ 6.37500000000000000000f, 6.37500000000000000000f,
+ 6.43750000000000000000f, 6.50000000000000000000f,
+ 6.50000000000000000000f, 6.56250000000000000000f,
6.62500000000000000000f, 6.68750000000000000000f,
- 6.75000000000000000000f, 6.75000000000000000000f,
- 6.78125000000000000000f, 6.78125000000000000000f,
- 6.78125000000000000000f, 6.78125000000000000000f,
- 6.81250000000000000000f, 6.81250000000000000000f,
- 6.84375000000000000000f, 6.84375000000000000000f,
- 6.87500000000000000000f, 6.90625000000000000000f,
- 6.93750000000000000000f, 6.96875000000000000000f,
- 6.96875000000000000000f, 6.96875000000000000000f,
- 6.96875000000000000000f, 7.00000000000000000000f,
- 7.00000000000000000000f, 7.00000000000000000000f,
- 7.03125000000000000000f, 7.03125000000000000000f,
- 7.06250000000000000000f, 7.06250000000000000000f,
- 7.06250000000000000000f, 7.06250000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.12500000000000000000f, 7.12500000000000000000f,
- 7.12500000000000000000f, 7.12500000000000000000f,
- 7.15625000000000000000f, 7.15625000000000000000f,
- 7.15625000000000000000f, 7.18750000000000000000f,
- 7.18750000000000000000f, 7.18750000000000000000f,
- 7.21875000000000000000f, 7.21875000000000000000f,
- 7.21875000000000000000f, 7.21875000000000000000f,
- 7.25000000000000000000f, 7.25000000000000000000f,
- 7.25000000000000000000f, 7.25000000000000000000f,
- 7.28125000000000000000f, 7.31250000000000000000f,
- 7.34375000000000000000f, 7.34375000000000000000f,
- 7.34375000000000000000f, 7.37500000000000000000f,
- 7.37500000000000000000f, 7.37500000000000000000f,
- 7.37500000000000000000f, 7.40625000000000000000f,
- 7.40625000000000000000f, 7.40625000000000000000f,
- 7.40625000000000000000f, 7.50000000000000000000f,
- 7.50000000000000000000f, 7.50000000000000000000f,
- 7.50000000000000000000f, 7.53125000000000000000f,
- 7.56250000000000000000f, 7.59375000000000000000f,
- 7.62500000000000000000f, 7.62500000000000000000f,
- 7.71875000000000000000f, 7.71875000000000000000f,
- 7.75000000000000000000f, 7.75000000000000000000f,
- 7.75000000000000000000f, 7.78125000000000000000f,
- 7.84375000000000000000f, 7.96875000000000000000f,
- 7.96875000000000000000f, 8.00000000000000000000f,
- 8.12500000000000000000f, 8.12500000000000000000f,
- 8.15625000000000000000f, 8.25000000000000000000f,
- 8.25000000000000000000f, 8.31250000000000000000f,
- 8.31250000000000000000f, 8.37500000000000000000f,
- 8.46875000000000000000f, 8.56250000000000000000f,
- 8.62500000000000000000f, 8.71875000000000000000f,
- 9.00000000000000000000f, 9.00000000000000000000f,
- 9.00000000000000000000f, 9.00000000000000000000f,
- 3.68750000000000000000f, 3.75000000000000000000f,
- 3.78125000000000000000f, 3.78125000000000000000f,
- 3.81250000000000000000f, 3.90625000000000000000f,
- 3.90625000000000000000f, 4.03125000000000000000f,
- 4.03125000000000000000f, 4.06250000000000000000f,
- 4.09375000000000000000f, 4.12500000000000000000f,
- 4.25000000000000000000f, 4.28125000000000000000f,
- 4.31250000000000000000f, 4.53125000000000000000f,
- 2.71875000000000000000f, 2.75000000000000000000f,
- 2.84375000000000000000f, 3.03125000000000000000f,
- 3.06250000000000000000f, 3.12500000000000000000f,
- 3.28125000000000000000f, 3.31250000000000000000f,
- 2.87500000000000000000f, 2.96875000000000000000f,
- 2.96875000000000000000f, 3.00000000000000000000f,
- 3.03125000000000000000f, 3.03125000000000000000f,
- 3.06250000000000000000f, 3.09375000000000000000f,
- 2.75000000000000000000f, 2.87500000000000000000f,
- 2.96875000000000000000f, 2.96875000000000000000f,
- 3.00000000000000000000f, 3.03125000000000000000f,
- 3.06250000000000000000f, 3.40625000000000000000f,
- 2.90625000000000000000f, 2.90625000000000000000f,
- 2.90625000000000000000f, 3.00000000000000000000f,
- 3.03125000000000000000f, 3.03125000000000000000f,
- 3.09375000000000000000f, 3.15625000000000000000f,
- 2.90625000000000000000f, 2.93750000000000000000f,
- 2.93750000000000000000f, 2.96875000000000000000f,
- 2.96875000000000000000f, 3.09375000000000000000f,
- 3.09375000000000000000f, 3.09375000000000000000f,
- 2.90625000000000000000f, 2.90625000000000000000f,
- 2.90625000000000000000f, 3.00000000000000000000f,
- 3.00000000000000000000f, 3.03125000000000000000f,
- 3.12500000000000000000f, 3.18750000000000000000f,
- 2.90625000000000000000f, 2.96875000000000000000f,
- 2.96875000000000000000f, 3.00000000000000000000f,
+ 6.68750000000000000000f, 6.68750000000000000000f,
+ 6.68750000000000000000f, 6.75000000000000000000f,
+ 6.75000000000000000000f, 6.81250000000000000000f,
+ 6.81250000000000000000f, 6.93750000000000000000f,
+ 6.93750000000000000000f, 7.12500000000000000000f,
+ 7.37500000000000000000f, 7.75000000000000000000f,
+ 3.56250000000000000000f, 3.62500000000000000000f,
+ 3.62500000000000000000f, 3.75000000000000000000f,
+ 3.81250000000000000000f, 3.93750000000000000000f,
+ 4.06250000000000000000f, 4.06250000000000000000f,
+ 4.12500000000000000000f, 4.12500000000000000000f,
+ 4.18750000000000000000f, 4.18750000000000000000f,
+ 4.25000000000000000000f, 4.31250000000000000000f,
+ 4.37500000000000000000f, 4.37500000000000000000f,
+ 2.62500000000000000000f, 2.93750000000000000000f,
+ 2.93750000000000000000f, 3.00000000000000000000f,
+ 3.00000000000000000000f, 3.18750000000000000000f,
+ 3.18750000000000000000f, 3.25000000000000000000f,
+ 2.87500000000000000000f, 2.87500000000000000000f,
+ 2.93750000000000000000f, 2.93750000000000000000f,
3.00000000000000000000f, 3.00000000000000000000f,
- 3.06250000000000000000f, 3.09375000000000000000f,
- 3.90625000000000000000f, 3.90625000000000000000f,
- 3.96875000000000000000f, 3.96875000000000000000f,
- 3.96875000000000000000f, 3.96875000000000000000f,
- 4.00000000000000000000f, 4.00000000000000000000f,
- 4.00000000000000000000f, 4.00000000000000000000f,
- 4.00000000000000000000f, 4.00000000000000000000f,
- 4.03125000000000000000f, 4.06250000000000000000f,
- 4.09375000000000000000f, 4.12500000000000000000f
+ 3.06250000000000000000f, 3.31250000000000000000f,
+ 2.75000000000000000000f, 2.75000000000000000000f,
+ 3.00000000000000000000f, 3.00000000000000000000f,
+ 3.06250000000000000000f, 3.06250000000000000000f,
+ 3.18750000000000000000f, 3.25000000000000000000f,
+ 2.81250000000000000000f, 2.81250000000000000000f,
+ 2.87500000000000000000f, 2.87500000000000000000f,
+ 3.06250000000000000000f, 3.06250000000000000000f,
+ 3.25000000000000000000f, 3.31250000000000000000f,
+ 2.81250000000000000000f, 2.93750000000000000000f,
+ 2.93750000000000000000f, 2.93750000000000000000f,
+ 3.00000000000000000000f, 3.06250000000000000000f,
+ 3.12500000000000000000f, 3.25000000000000000000f,
+ 2.87500000000000000000f, 2.87500000000000000000f,
+ 2.87500000000000000000f, 2.93750000000000000000f,
+ 3.00000000000000000000f, 3.12500000000000000000f,
+ 3.18750000000000000000f, 3.18750000000000000000f,
+ 2.87500000000000000000f, 2.93750000000000000000f,
+ 3.00000000000000000000f, 3.00000000000000000000f,
+ 3.00000000000000000000f, 3.00000000000000000000f,
+ 3.00000000000000000000f, 3.18750000000000000000f,
+ 3.75000000000000000000f, 3.75000000000000000000f,
+ 3.81250000000000000000f, 3.87500000000000000000f,
+ 3.93750000000000000000f, 3.93750000000000000000f,
+ 3.93750000000000000000f, 4.00000000000000000000f,
+ 4.00000000000000000000f, 4.06250000000000000000f,
+ 4.06250000000000000000f, 4.12500000000000000000f,
+ 4.12500000000000000000f, 4.12500000000000000000f,
+ 4.31250000000000000000f, 4.37500000000000000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB0_16_ndelta_min[ 16 + 1 ] =
{
- 0.00811767578125000000f,
+ 0.00720214843750000000f,
+ 0.00012207031250000000f,
+ 0.00228881835937500000f,
0.00009155273437500000f,
- 0.00122070312500000000f,
0.00009155273437500000f,
- 0.00009155273437500000f,
- 0.00048828125000000000f,
- 0.00238037109375000000f,
- 0.00271606445312500000f,
- 0.00326538085937500000f,
- 0.00430297851562500000f,
- 0.00573730468750000000f,
- 0.00445556640625000000f,
- 0.00830078125000000000f,
- 0.00732421874999999910f,
- 0.00717163085937500000f,
- 0.00656127929687500000f,
- 0.01928710937500000000f
+ 0.00015258789062500000f,
+ 0.00350952148437500040f,
+ 0.00289916992187500000f,
+ 0.00344848632812500000f,
+ 0.00421142578125000000f,
+ 0.00537109374999999910f,
+ 0.00515747070312500000f,
+ 0.00759887695312500000f,
+ 0.00781250000000000000f,
+ 0.00827026367187500000f,
+ 0.00802612304687500000f,
+ 0.01922607421875000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * NLSF_MSVQ_CB0_16_VECTORS ] =
{
- 0.03570556640625000000f, 0.06951904296875000000f,
- 0.11163330078125001000f, 0.16400146484375000000f,
- 0.23394775390625000000f, 0.27810668945312500000f,
- 0.34478759765624994000f, 0.40600585937500000000f,
- 0.46908569335937500000f, 0.53555297851562500000f,
- 0.59774780273437500000f, 0.65573120117187500000f,
- 0.72625732421875000000f, 0.79461669921875000000f,
- 0.86419677734375000000f, 0.92166137695312500000f,
- 0.04968261718750000700f, 0.07122802734375000000f,
- 0.12557983398437500000f, 0.18420410156250000000f,
- 0.23858642578125000000f, 0.29125976562500000000f,
- 0.35940551757812500000f, 0.42788696289062500000f,
- 0.48178100585937500000f, 0.53125000000000000000f,
- 0.59405517578125000000f, 0.64883422851562500000f,
- 0.69842529296875000000f, 0.74966430664062500000f,
- 0.81524658203125000000f, 0.85629272460937500000f,
- 0.05261230468750000000f, 0.08148193359375000000f,
- 0.12377929687500000000f, 0.19934082031250000000f,
- 0.25503540039062500000f, 0.30880737304687500000f,
- 0.36904907226562506000f, 0.42910766601562500000f,
- 0.50326538085937500000f, 0.57357788085937500000f,
- 0.62307739257812500000f, 0.68365478515625000000f,
- 0.74008178710937511000f, 0.80029296875000011000f,
- 0.86700439453125000000f, 0.91418457031250000000f,
- 0.04556274414062500000f, 0.10458374023437501000f,
- 0.14614868164062500000f, 0.19528198242187500000f,
- 0.25741577148437500000f, 0.31030273437500000000f,
- 0.36621093750000000000f, 0.42926025390625000000f,
- 0.49526977539062500000f, 0.55572509765625000000f,
- 0.61157226562500000000f, 0.67437744140625000000f,
- 0.73709106445312500000f, 0.79635620117187500000f,
- 0.86007690429687500000f, 0.91921997070312489000f,
- 0.03414916992187500000f, 0.06375122070312500000f,
- 0.13107299804687500000f, 0.19058227539062500000f,
- 0.26522827148437500000f, 0.32778930664062500000f,
- 0.38720703125000000000f, 0.45950317382812500000f,
- 0.51965332031250000000f, 0.57348632812500000000f,
- 0.63223266601562500000f, 0.68707275390625011000f,
- 0.74758911132812500000f, 0.81018066406250000000f,
- 0.87338256835937500000f, 0.93475341796875000000f,
- 0.04159545898437500000f, 0.07376098632812500000f,
- 0.11984252929687500000f, 0.16955566406249997000f,
- 0.22650146484375000000f, 0.28427124023437500000f,
- 0.36251831054687500000f, 0.42013549804687500000f,
- 0.49264526367187500000f, 0.56518554687500000000f,
- 0.62432861328125000000f, 0.68902587890625000000f,
- 0.74887084960937500000f, 0.80676269531250000000f,
- 0.86419677734375000000f, 0.92523193359375000000f,
- 0.03424072265625000000f, 0.07638549804687500000f,
- 0.15917968750000000000f, 0.21813964843750000000f,
- 0.28411865234375000000f, 0.33807373046874994000f,
- 0.40206909179687500000f, 0.45166015625000000000f,
- 0.51464843750000000000f, 0.57067871093750000000f,
- 0.62365722656250000000f, 0.68627929687499989000f,
- 0.74987792968750011000f, 0.81182861328125000000f,
- 0.87142944335937500000f, 0.92852783203125000000f,
- 0.01831054687500000000f, 0.04019165039062500700f,
- 0.09063720703125001400f, 0.17117309570312500000f,
- 0.23480224609375000000f, 0.29858398437500000000f,
- 0.37136840820312500000f, 0.42990112304687506000f,
- 0.49984741210937494000f, 0.56085205078125000000f,
- 0.62716674804687500000f, 0.69232177734375000000f,
- 0.75497436523437489000f, 0.81472778320312500000f,
- 0.87420654296875000000f, 0.92636108398437500000f,
- 0.02871704101562500000f, 0.05743408203125000000f,
- 0.13043212890625000000f, 0.16906738281250000000f,
- 0.25885009765625000000f, 0.30084228515625000000f,
- 0.36437988281250000000f, 0.43600463867187494000f,
- 0.49105834960937506000f, 0.56460571289062500000f,
- 0.62030029296875000000f, 0.69006347656250000000f,
- 0.75411987304687511000f, 0.81292724609374989000f,
- 0.87933349609375000000f, 0.92864990234375000000f,
- 0.01937866210937500000f, 0.05184936523437500000f,
- 0.13354492187500000000f, 0.18151855468750000000f,
- 0.24710083007812500000f, 0.30868530273437500000f,
- 0.37457275390625000000f, 0.43267822265625000000f,
- 0.49166870117187500000f, 0.54360961914062500000f,
- 0.60104370117187500000f, 0.66445922851562511000f,
- 0.73019409179687500000f, 0.78936767578124989000f,
- 0.85516357421875000000f, 0.91961669921875000000f,
- 0.04296874999999999300f, 0.06781005859375000000f,
- 0.10754394531250000000f, 0.17135620117187503000f,
- 0.22415161132812497000f, 0.27005004882812500000f,
- 0.33535766601562500000f, 0.38977050781250000000f,
- 0.46850585937500000000f, 0.51959228515625000000f,
- 0.57736206054687500000f, 0.64276123046875000000f,
- 0.71194458007812500000f, 0.76950073242187500000f,
- 0.83035278320312511000f, 0.88571166992187500000f,
- 0.02139282226562500000f, 0.03988647460937500000f,
- 0.10827636718750001000f, 0.19229125976562500000f,
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+ -0.00390625000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00781250000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00781250000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ -0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ -0.00781250000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00781250000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00781250000000000000f,
+ -0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00781250000000000000f, -0.00781250000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00781250000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00781250000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00781250000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00781250000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ -0.00781250000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00390625000000000000f, -0.00781250000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00781250000000000000f, -0.00781250000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00781250000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, -0.00781250000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00000000000000000000f, 0.00390625000000000000f,
+ 0.00000000000000000000f, -0.00390625000000000000f,
+ 0.00000000000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ -0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f,
+ 0.00390625000000000000f, -0.00390625000000000000f,
+ 0.00390625000000000000f, 0.00000000000000000000f
};
const SKP_Silk_NLSF_CBS_FLP SKP_Silk_NLSF_CB0_16_Stage_info_FLP[ NLSF_MSVQ_CB0_16_STAGES ] =
{
- { 128, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 0 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 0 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 128 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 128 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 144 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 144 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 152 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 152 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 160 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 160 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 168 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 168 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 176 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 176 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 184 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 184 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 192 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 192 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 200 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 200 ] }
+ { 64, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 0 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 0 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 64 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 64 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 80 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 80 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 88 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 88 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 96 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 96 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 104 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 104 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 112 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 112 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 120 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 120 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 128 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 128 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_16[ 16 * 136 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates[ 136 ] }
};
const SKP_Silk_NLSF_CB_FLP SKP_Silk_NLSF_CB0_16_FLP =
--- a/src_FLP/SKP_Silk_tables_NLSF_CB1_10_FLP.c
+++ b/src_FLP/SKP_Silk_tables_NLSF_CB1_10_FLP.c
@@ -28,7 +28,7 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 3.21 kB */
+/* ROM usage: 3.56 kB */
/**********************************************/
#include "SKP_Silk_tables_FLP.h"
@@ -36,421 +36,465 @@
const SKP_float SKP_Silk_NLSF_MSVQ_CB1_10_rates[ NLSF_MSVQ_CB1_10_VECTORS ] =
{
- 1.93750000000000000000f, 3.21875000000000000000f,
- 3.75000000000000000000f, 3.96875000000000000000f,
- 4.21875000000000000000f, 4.21875000000000000000f,
- 4.84375000000000000000f, 5.21875000000000000000f,
- 5.25000000000000000000f, 5.37500000000000000000f,
- 5.40625000000000000000f, 5.50000000000000000000f,
- 5.59375000000000000000f, 5.65625000000000000000f,
- 5.65625000000000000000f, 5.78125000000000000000f,
- 5.81250000000000000000f, 6.18750000000000000000f,
- 6.21875000000000000000f, 6.34375000000000000000f,
- 6.40625000000000000000f, 6.93750000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 1.68750000000000000000f, 2.37500000000000000000f,
- 3.15625000000000000000f, 3.37500000000000000000f,
- 3.71875000000000000000f, 3.75000000000000000000f,
- 3.84375000000000000000f, 3.90625000000000000000f,
- 2.12500000000000000000f, 2.65625000000000000000f,
- 2.71875000000000000000f, 3.21875000000000000000f,
- 3.34375000000000000000f, 3.50000000000000000000f,
- 3.59375000000000000000f, 3.62500000000000000000f,
- 2.43750000000000000000f, 2.65625000000000000000f,
- 2.65625000000000000000f, 3.15625000000000000000f,
- 3.28125000000000000000f, 3.28125000000000000000f,
- 3.43750000000000000000f, 3.46875000000000000000f,
- 2.59375000000000000000f, 2.84375000000000000000f,
- 3.03125000000000000000f, 3.03125000000000000000f,
- 3.03125000000000000000f, 3.12500000000000000000f,
- 3.15625000000000000000f, 3.28125000000000000000f,
- 2.87500000000000000000f, 2.90625000000000000000f,
- 2.90625000000000000000f, 2.96875000000000000000f,
- 3.00000000000000000000f, 3.06250000000000000000f,
- 3.09375000000000000000f, 3.21875000000000000000f
+ 1.62500000000000000000f, 3.18750000000000000000f,
+ 3.43750000000000000000f, 4.00000000000000000000f,
+ 4.75000000000000000000f, 4.81250000000000000000f,
+ 5.00000000000000000000f, 5.31250000000000000000f,
+ 5.43750000000000000000f, 5.62500000000000000000f,
+ 5.68750000000000000000f, 5.75000000000000000000f,
+ 5.75000000000000000000f, 6.12500000000000000000f,
+ 6.18750000000000000000f, 6.31250000000000000000f,
+ 6.37500000000000000000f, 6.43750000000000000000f,
+ 6.43750000000000000000f, 6.50000000000000000000f,
+ 6.56250000000000000000f, 6.75000000000000000000f,
+ 6.93750000000000000000f, 7.06250000000000000000f,
+ 7.06250000000000000000f, 7.06250000000000000000f,
+ 7.06250000000000000000f, 7.06250000000000000000f,
+ 7.06250000000000000000f, 7.06250000000000000000f,
+ 7.06250000000000000000f, 7.06250000000000000000f,
+ 0.93750000000000000000f, 2.87500000000000000000f,
+ 3.68750000000000000000f, 4.00000000000000000000f,
+ 4.25000000000000000000f, 4.25000000000000000000f,
+ 4.25000000000000000000f, 4.37500000000000000000f,
+ 1.12500000000000000000f, 2.62500000000000000000f,
+ 3.50000000000000000000f, 3.93750000000000000000f,
+ 4.00000000000000000000f, 4.18750000000000000000f,
+ 4.25000000000000000000f, 4.25000000000000000000f,
+ 1.06250000000000000000f, 3.18750000000000000000f,
+ 3.62500000000000000000f, 3.75000000000000000000f,
+ 3.87500000000000000000f, 3.93750000000000000000f,
+ 3.93750000000000000000f, 4.25000000000000000000f,
+ 2.18750000000000000000f, 2.56250000000000000000f,
+ 2.75000000000000000000f, 2.87500000000000000000f,
+ 2.93750000000000000000f, 3.56250000000000000000f,
+ 4.06250000000000000000f, 4.31250000000000000000f,
+ 1.31250000000000000000f, 2.75000000000000000000f,
+ 2.93750000000000000000f, 3.62500000000000000000f,
+ 3.93750000000000000000f, 4.00000000000000000000f,
+ 4.12500000000000000000f, 4.12500000000000000000f,
+ 1.68750000000000000000f, 2.50000000000000000000f,
+ 3.25000000000000000000f, 3.37500000000000000000f,
+ 3.37500000000000000000f, 3.43750000000000000000f,
+ 3.56250000000000000000f, 4.31250000000000000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB1_10_ndelta_min[ 10 + 1 ] =
{
- 0.01409912109375000000f,
+ 0.00894165039062500000f,
+ 0.00097656250000000000f,
+ 0.00686645507812500000f,
+ 0.00854492187500000000f,
+ 0.00466918945312500000f,
+ 0.00070190429687500000f,
+ 0.00039672851562500005f,
+ 0.00042724609375000000f,
+ 0.00027465820312500000f,
0.00009155273437500000f,
- 0.00195312500000000000f,
- 0.00225830078125000000f,
- 0.00299072265625000000f,
- 0.00152587890625000000f,
- 0.00296020507812500000f,
- 0.00207519531250000000f,
- 0.00366210937499999960f,
- 0.00161743164062500000f,
- 0.01950073242187500000f
+ 0.02099609375000000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * NLSF_MSVQ_CB1_10_VECTORS ] =
{
- 0.05728149414062500000f, 0.14178466796875000000f,
- 0.23535156250000003000f, 0.32791137695312500000f,
- 0.42614746093750000000f, 0.51965332031250000000f,
- 0.61764526367187500000f, 0.70745849609375000000f,
- 0.80783081054687511000f, 0.89376831054687500000f,
- 0.04919433593750000000f, 0.10003662109375001000f,
- 0.21624755859374997000f, 0.30441284179687500000f,
- 0.40368652343750000000f, 0.49633789062499994000f,
- 0.59802246093750000000f, 0.69244384765625011000f,
- 0.79458618164062500000f, 0.88394165039062500000f,
- 0.06619262695312500000f, 0.11688232421875000000f,
- 0.19714355468750000000f, 0.27337646484375000000f,
- 0.36499023437500000000f, 0.45013427734375000000f,
- 0.56176757812500000000f, 0.66098022460937500000f,
- 0.76348876953125000000f, 0.85580444335937489000f,
- 0.11230468750000001000f, 0.18383789062500000000f,
- 0.27423095703125000000f, 0.37402343749999994000f,
- 0.46389770507812494000f, 0.55505371093750000000f,
- 0.66348266601562500000f, 0.74645996093750000000f,
- 0.83874511718749989000f, 0.91732788085937500000f,
- 0.07885742187500000000f, 0.15829467773437500000f,
- 0.23800659179687500000f, 0.33270263671874994000f,
- 0.40219116210937500000f, 0.48110961914062500000f,
- 0.58035278320312500000f, 0.68453979492187500000f,
- 0.79013061523437500000f, 0.87579345703125000000f,
- 0.11386108398437500000f, 0.17550659179687500000f,
- 0.26397705078125000000f, 0.35833740234375000000f,
- 0.46051025390625000000f, 0.53121948242187500000f,
- 0.62228393554687500000f, 0.71475219726562500000f,
- 0.80041503906250000000f, 0.89254760742187511000f,
- 0.06430053710937500000f, 0.19296264648437500000f,
- 0.27206420898437500000f, 0.37310791015625000000f,
- 0.45089721679687500000f, 0.54293823242187500000f,
- 0.63061523437500000000f, 0.72262573242187500000f,
- 0.81875610351562500000f, 0.89578247070312500000f,
- 0.05117797851562500000f, 0.08758544921875000000f,
- 0.16436767578125000000f, 0.24649047851562500000f,
- 0.36062622070312500000f, 0.46313476562500000000f,
- 0.56936645507812500000f, 0.67156982421875011000f,
- 0.77859497070312500000f, 0.87551879882812500000f,
- 0.06442260742187500000f, 0.11062622070312501000f,
- 0.21444702148437500000f, 0.32312011718750000000f,
- 0.42904663085937500000f, 0.52468872070312500000f,
- 0.64505004882812489000f, 0.74035644531250000000f,
- 0.84158325195312500000f, 0.91662597656250011000f,
- 0.07409667968750000000f, 0.12237548828125000000f,
- 0.17593383789062500000f, 0.28613281250000000000f,
- 0.42129516601562500000f, 0.48281860351562500000f,
- 0.59338378906250000000f, 0.68325805664062511000f,
- 0.77194213867187500000f, 0.89447021484375000000f,
- 0.06884765625000000000f, 0.14123535156250000000f,
- 0.25564575195312500000f, 0.37966918945312500000f,
- 0.46640014648437500000f, 0.59393310546875000000f,
- 0.67922973632812500000f, 0.77975463867187489000f,
- 0.86767578124999989000f, 0.92480468750000000000f,
- 0.07177734375000000000f, 0.11215209960937499000f,
- 0.18704223632812500000f, 0.36218261718750000000f,
- 0.44406127929687494000f, 0.50827026367187500000f,
- 0.59887695312500000000f, 0.66781616210937500000f,
- 0.80950927734375000000f, 0.88040161132812500000f,
- 0.16000366210937500000f, 0.22119140625000000000f,
- 0.32220458984375000000f, 0.40493774414062500000f,
- 0.47763061523437506000f, 0.54684448242187500000f,
- 0.64517211914062500000f, 0.72714233398437500000f,
- 0.82708740234375000000f, 0.90084838867187489000f,
- 0.13494873046875000000f, 0.20523071289062500000f,
- 0.31887817382812500000f, 0.40505981445312500000f,
- 0.49206542968750000000f, 0.60794067382812500000f,
- 0.69659423828124989000f, 0.79531860351562500000f,
- 0.87777709960937500000f, 0.93331909179687500000f,
- 0.13757324218750000000f, 0.19198608398437500000f,
- 0.29003906250000000000f, 0.36038208007812506000f,
- 0.42196655273437500000f, 0.48675537109375000000f,
- 0.58218383789062500000f, 0.67395019531250000000f,
- 0.78552246093750000000f, 0.87457275390625000000f,
- 0.07751464843750000000f, 0.13113403320312500000f,
- 0.26181030273437500000f, 0.41436767578125000000f,
- 0.50762939453125000000f, 0.58291625976562500000f,
- 0.65756225585937500000f, 0.72897338867187500000f,
- 0.81716918945312489000f, 0.88946533203125000000f,
- 0.10305786132812501000f, 0.19403076171875003000f,
- 0.31201171875000000000f, 0.44305419921875000000f,
- 0.54641723632812500000f, 0.64257812500000000000f,
- 0.72134399414062500000f, 0.78686523437500011000f,
- 0.85940551757812500000f, 0.91885375976562500000f,
- 0.12747192382812500000f, 0.18133544921875000000f,
- 0.24899291992187497000f, 0.30847167968750000000f,
- 0.37017822265625000000f, 0.47210693359375000000f,
- 0.61618041992187500000f, 0.71185302734375000000f,
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};
const SKP_Silk_NLSF_CBS_FLP SKP_Silk_NLSF_CB1_10_Stage_info_FLP[ NLSF_MSVQ_CB1_10_STAGES ] =
@@ -460,7 +504,8 @@
{ 8, &SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * 40 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates[ 40 ] },
{ 8, &SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * 48 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates[ 48 ] },
{ 8, &SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * 56 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates[ 56 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * 64 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates[ 64 ] }
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * 64 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates[ 64 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10[ 10 * 72 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates[ 72 ] }
};
const SKP_Silk_NLSF_CB_FLP SKP_Silk_NLSF_CB1_10_FLP =
--- a/src_FLP/SKP_Silk_tables_NLSF_CB1_16_FLP.c
+++ b/src_FLP/SKP_Silk_tables_NLSF_CB1_16_FLP.c
@@ -36,915 +36,915 @@
const SKP_float SKP_Silk_NLSF_MSVQ_CB1_16_rates[ NLSF_MSVQ_CB1_16_VECTORS ] =
{
- 1.78125000000000000000f, 3.06250000000000000000f,
- 4.15625000000000000000f, 4.18750000000000000000f,
- 4.31250000000000000000f, 4.50000000000000000000f,
- 4.53125000000000000000f, 4.59375000000000000000f,
- 4.75000000000000000000f, 5.53125000000000000000f,
- 5.53125000000000000000f, 5.56250000000000000000f,
- 5.65625000000000000000f, 5.71875000000000000000f,
- 5.75000000000000000000f, 6.31250000000000000000f,
- 6.43750000000000000000f, 6.71875000000000000000f,
- 6.81250000000000000000f, 6.93750000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 7.09375000000000000000f, 7.09375000000000000000f,
- 1.18750000000000000000f, 2.71875000000000000000f,
- 3.03125000000000000000f, 3.71875000000000000000f,
- 4.00000000000000000000f, 4.21875000000000000000f,
- 4.37500000000000000000f, 4.46875000000000000000f,
- 1.25000000000000000000f, 2.53125000000000000000f,
- 3.34375000000000000000f, 3.34375000000000000000f,
- 4.03125000000000000000f, 4.18750000000000000000f,
- 4.18750000000000000000f, 4.46875000000000000000f,
- 0.96875000000000000000f, 3.40625000000000000000f,
- 3.56250000000000000000f, 3.75000000000000000000f,
- 4.00000000000000000000f, 4.06250000000000000000f,
- 4.09375000000000000000f, 4.12500000000000000000f,
- 1.34375000000000000000f, 1.90625000000000000000f,
- 3.87500000000000000000f, 3.90625000000000000000f,
- 4.12500000000000000000f, 4.25000000000000000000f,
- 4.40625000000000000000f, 4.43750000000000000000f,
- 0.93750000000000000000f, 3.43750000000000000000f,
+ 1.93750000000000000000f, 3.25000000000000000000f,
+ 3.81250000000000000000f, 4.31250000000000000000f,
+ 4.56250000000000000000f, 4.75000000000000000000f,
+ 5.06250000000000000000f, 5.06250000000000000000f,
+ 5.18750000000000000000f, 5.25000000000000000000f,
+ 5.31250000000000000000f, 5.37500000000000000000f,
+ 5.37500000000000000000f, 5.50000000000000000000f,
+ 5.50000000000000000000f, 5.62500000000000000000f,
+ 5.87500000000000000000f, 5.87500000000000000000f,
+ 5.93750000000000000000f, 6.06250000000000000000f,
+ 6.12500000000000000000f, 6.25000000000000000000f,
+ 6.37500000000000000000f, 6.68750000000000000000f,
+ 6.68750000000000000000f, 7.00000000000000000000f,
+ 7.00000000000000000000f, 7.00000000000000000000f,
+ 7.00000000000000000000f, 7.00000000000000000000f,
+ 7.00000000000000000000f, 7.00000000000000000000f,
+ 1.25000000000000000000f, 2.62500000000000000000f,
+ 2.75000000000000000000f, 3.87500000000000000000f,
+ 4.00000000000000000000f, 4.25000000000000000000f,
+ 4.62500000000000000000f, 4.62500000000000000000f,
+ 1.06250000000000000000f, 2.87500000000000000000f,
3.68750000000000000000f, 3.75000000000000000000f,
- 4.03125000000000000000f, 4.09375000000000000000f,
- 4.15625000000000000000f, 4.15625000000000000000f,
- 0.96875000000000000000f, 3.37500000000000000000f,
- 3.59375000000000000000f, 3.78125000000000000000f,
- 3.87500000000000000000f, 4.06250000000000000000f,
- 4.15625000000000000000f, 4.28125000000000000000f,
- 1.25000000000000000000f, 3.06250000000000000000f,
- 3.59375000000000000000f, 3.59375000000000000000f,
- 3.62500000000000000000f, 3.65625000000000000000f,
- 3.84375000000000000000f, 3.87500000000000000000f,
- 1.56250000000000000000f, 2.90625000000000000000f,
- 3.37500000000000000000f, 3.43750000000000000000f,
- 3.50000000000000000000f, 3.50000000000000000000f,
- 3.56250000000000000000f, 3.59375000000000000000f,
- 2.28125000000000000000f, 2.96875000000000000000f,
- 2.96875000000000000000f, 3.00000000000000000000f,
- 3.00000000000000000000f, 3.28125000000000000000f,
- 3.34375000000000000000f, 3.43750000000000000000f
+ 3.87500000000000000000f, 3.87500000000000000000f,
+ 4.31250000000000000000f, 4.37500000000000000000f,
+ 0.75000000000000000000f, 3.75000000000000000000f,
+ 3.93750000000000000000f, 4.06250000000000000000f,
+ 4.18750000000000000000f, 4.31250000000000000000f,
+ 4.31250000000000000000f, 4.43750000000000000000f,
+ 0.62500000000000000000f, 3.87500000000000000000f,
+ 3.93750000000000000000f, 4.00000000000000000000f,
+ 4.25000000000000000000f, 4.62500000000000000000f,
+ 4.75000000000000000000f, 5.00000000000000000000f,
+ 0.56250000000000000000f, 4.06250000000000000000f,
+ 4.31250000000000000000f, 4.37500000000000000000f,
+ 4.43750000000000000000f, 4.56250000000000000000f,
+ 4.56250000000000000000f, 4.68750000000000000000f,
+ 0.68750000000000000000f, 3.81250000000000000000f,
+ 3.87500000000000000000f, 4.18750000000000000000f,
+ 4.25000000000000000000f, 4.37500000000000000000f,
+ 4.43750000000000000000f, 4.50000000000000000000f,
+ 1.06250000000000000000f, 3.06250000000000000000f,
+ 3.56250000000000000000f, 3.62500000000000000000f,
+ 3.68750000000000000000f, 4.12500000000000000000f,
+ 4.18750000000000000000f, 4.68750000000000000000f,
+ 1.18750000000000000000f, 2.56250000000000000000f,
+ 3.00000000000000000000f, 3.75000000000000000000f,
+ 4.31250000000000000000f, 4.31250000000000000000f,
+ 4.37500000000000000000f, 4.37500000000000000000f,
+ 1.87500000000000000000f, 2.00000000000000000000f,
+ 2.93750000000000000000f, 3.25000000000000000000f,
+ 3.50000000000000000000f, 4.12500000000000000000f,
+ 4.37500000000000000000f, 4.50000000000000000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB1_16_ndelta_min[ 16 + 1 ] =
{
- 0.00451660156250000000f,
- 0.00009155273437500000f,
- 0.00183105468749999980f,
+ 0.00335693359375000000f,
+ 0.00085449218750000000f,
+ 0.00372314453125000000f,
0.00207519531250000000f,
- 0.00357055664062500000f,
- 0.00262451171875000000f,
- 0.00369262695312500000f,
- 0.00378417968750000000f,
- 0.00463867187500000000f,
- 0.00466918945312500000f,
- 0.00631713867187499910f,
- 0.00460815429687500000f,
- 0.00686645507812500000f,
- 0.00729370117187499910f,
- 0.00384521484375000000f,
- 0.00558471679687500000f,
- 0.02416992187500000300f
+ 0.00228881835937500000f,
+ 0.00216674804687500000f,
+ 0.00195312500000000000f,
+ 0.00238037109375000000f,
+ 0.00253295898437500040f,
+ 0.00234985351562500000f,
+ 0.00247192382812500000f,
+ 0.00231933593750000000f,
+ 0.00256347656250000000f,
+ 0.00222778320312500000f,
+ 0.00210571289062500000f,
+ 0.00064086914062500000f,
+ 0.02374267578125000000f
};
const SKP_float SKP_Silk_NLSF_MSVQ_CB1_16[ 16 * NLSF_MSVQ_CB1_16_VECTORS ] =
{
- 0.03994750976562499300f, 0.09338378906250000000f,
- 0.15475463867187500000f, 0.21350097656250000000f,
- 0.27551269531250000000f, 0.33380126953125000000f,
- 0.39471435546875000000f, 0.45443725585937500000f,
- 0.51675415039062500000f, 0.57537841796875000000f,
- 0.63452148437500000000f, 0.69470214843750000000f,
- 0.75540161132812500000f, 0.81356811523437500000f,
- 0.87359619140625000000f, 0.93081665039062500000f,
- 0.03857421875000000000f, 0.08377075195312498600f,
- 0.14068603515625000000f, 0.19555664062500000000f,
- 0.25286865234375000000f, 0.30648803710937500000f,
- 0.36877441406250000000f, 0.43054199218750000000f,
- 0.49188232421875006000f, 0.55429077148437500000f,
- 0.61325073242187500000f, 0.67639160156250000000f,
- 0.74047851562500000000f, 0.80310058593750000000f,
- 0.86453247070312500000f, 0.92318725585937500000f,
- 0.03186035156250000000f, 0.06347656250000000000f,
- 0.11206054687500000000f, 0.15805053710937500000f,
- 0.21789550781250003000f, 0.27770996093750000000f,
- 0.33782958984375000000f, 0.39871215820312494000f,
- 0.47067260742187500000f, 0.54290771484375000000f,
- 0.60824584960937500000f, 0.67446899414062500000f,
- 0.74127197265625000000f, 0.80447387695312500000f,
- 0.86972045898437500000f, 0.92828369140625000000f,
- 0.03451538085937500000f, 0.07556152343750000000f,
- 0.13665771484375000000f, 0.18765258789062500000f,
- 0.24114990234375000000f, 0.30136108398437500000f,
- 0.36431884765624994000f, 0.42141723632812500000f,
- 0.48428344726562500000f, 0.54107666015625000000f,
- 0.60876464843750000000f, 0.66244506835937500000f,
- 0.72512817382812500000f, 0.77926635742187500000f,
- 0.83697509765625000000f, 0.88247680664062500000f,
- 0.03173828125000000000f, 0.06115722656250000000f,
- 0.12286376953125000000f, 0.18615722656250000000f,
- 0.25732421875000000000f, 0.32025146484375000000f,
- 0.38482666015625000000f, 0.44842529296875000000f,
- 0.51260375976562500000f, 0.57296752929687500000f,
- 0.63473510742187500000f, 0.69525146484375000000f,
- 0.75598144531250000000f, 0.81427001953125000000f,
- 0.87374877929687511000f, 0.93127441406250000000f,
- 0.07049560546875000000f, 0.11633300781250001000f,
- 0.18045043945312497000f, 0.24209594726562500000f,
- 0.30618286132812500000f, 0.36257934570312500000f,
- 0.42373657226562500000f, 0.48211669921875000000f,
- 0.54171752929687500000f, 0.59741210937500000000f,
- 0.65557861328125000000f, 0.71032714843750000000f,
- 0.76773071289062500000f, 0.82427978515624989000f,
- 0.87991333007812500000f, 0.93453979492187500000f,
- 0.03826904296875000000f, 0.08688354492187500000f,
- 0.15298461914062500000f, 0.20693969726562500000f,
- 0.26324462890625000000f, 0.31646728515625000000f,
- 0.38836669921875000000f, 0.44656372070312500000f,
- 0.49685668945312494000f, 0.54479980468750000000f,
- 0.60638427734375000000f, 0.65527343749999989000f,
- 0.70196533203124989000f, 0.75161743164062500000f,
- 0.81512451171875000000f, 0.85327148437500000000f,
- 0.04479980468750000000f, 0.09335327148437500000f,
- 0.15219116210937500000f, 0.21441650390625000000f,
- 0.26675415039062500000f, 0.31774902343750000000f,
- 0.37478637695312500000f, 0.42785644531250000000f,
- 0.48736572265625000000f, 0.54086303710937500000f,
- 0.59936523437500000000f, 0.65679931640625000000f,
- 0.71630859375000000000f, 0.78311157226562500000f,
- 0.85406494140625000000f, 0.92239379882812500000f,
- 0.06625366210937500000f, 0.10882568359375000000f,
- 0.17105102539062497000f, 0.22534179687500000000f,
- 0.28698730468750000000f, 0.34240722656249994000f,
- 0.39764404296875000000f, 0.45037841796875000000f,
- 0.50924682617187500000f, 0.56204223632812500000f,
- 0.62091064453125000000f, 0.67416381835937511000f,
- 0.73410034179687489000f, 0.79992675781250000000f,
- 0.86535644531250000000f, 0.92764282226562500000f,
- 0.07351684570312500000f, 0.14270019531250000000f,
- 0.23019409179687497000f, 0.29864501953125000000f,
- 0.34848022460937500000f, 0.39474487304687500000f,
- 0.43847656250000006000f, 0.47769165039062500000f,
- 0.52996826171875000000f, 0.57809448242187500000f,
- 0.63360595703125000000f, 0.68594360351562511000f,
- 0.74584960937500000000f, 0.80343627929687500000f,
- 0.86315917968750000000f, 0.92291259765625000000f,
- 0.07183837890625000000f, 0.12884521484375000000f,
- 0.20812988281250003000f, 0.27792358398437500000f,
- 0.35388183593749994000f, 0.42523193359375000000f,
- 0.48745727539062494000f, 0.53961181640625000000f,
- 0.58465576171875000000f, 0.62612915039062500000f,
- 0.67111206054687500000f, 0.71472167968750000000f,
- 0.76837158203125000000f, 0.82202148437499989000f,
- 0.87872314453125000000f, 0.93161010742187511000f,
- 0.04037475585937500000f, 0.07366943359375000000f,
- 0.12768554687500000000f, 0.18429565429687500000f,
- 0.22991943359375000000f, 0.28680419921875000000f,
- 0.33871459960937500000f, 0.39968872070312500000f,
- 0.45162963867187500000f, 0.50204467773437500000f,
- 0.56256103515625000000f, 0.63742065429687500000f,
- 0.71685791015624989000f, 0.78851318359375011000f,
- 0.85589599609374989000f, 0.92239379882812500000f,
- 0.04153442382812500700f, 0.09896850585937500000f,
- 0.18457031250000000000f, 0.25973510742187500000f,
- 0.33572387695312500000f, 0.40115356445312500000f,
- 0.45999145507812500000f, 0.50683593750000000000f,
- 0.55316162109375000000f, 0.59146118164062500000f,
- 0.63818359375000000000f, 0.68991088867187500000f,
- 0.75256347656250011000f, 0.81384277343750000000f,
- 0.87472534179687500000f, 0.93280029296875000000f,
- 0.03710937500000000000f, 0.08081054687500000000f,
- 0.18008422851562503000f, 0.25701904296875000000f,
- 0.30630493164062500000f, 0.34866333007812500000f,
- 0.39590454101562500000f, 0.44564819335937500000f,
- 0.50921630859375000000f, 0.56762695312500000000f,
- 0.62728881835937500000f, 0.68405151367187500000f,
- 0.74615478515625000000f, 0.80200195312500000000f,
- 0.86077880859375000000f, 0.91787719726562500000f,
- 0.07376098632812500000f, 0.12353515625000000000f,
- 0.19274902343750000000f, 0.25735473632812500000f,
- 0.32073974609375000000f, 0.38931274414062494000f,
- 0.45996093750000006000f, 0.52780151367187500000f,
- 0.59732055664062500000f, 0.65621948242187489000f,
- 0.71194458007812500000f, 0.75628662109375011000f,
- 0.80062866210937489000f, 0.84500122070312500000f,
- 0.89154052734375000000f, 0.94052124023437500000f,
- 0.03088378906250000000f, 0.07156372070312500000f,
- 0.15231323242187500000f, 0.22512817382812503000f,
- 0.28884887695312500000f, 0.36364746093750000000f,
- 0.43627929687500000000f, 0.50555419921875000000f,
- 0.56982421875000000000f, 0.62695312500000000000f,
- 0.68029785156250000000f, 0.72747802734375000000f,
- 0.77560424804687511000f, 0.82550048828125011000f,
- 0.88037109375000000000f, 0.93234252929687500000f,
- 0.05911254882812500000f, 0.11270141601562500000f,
- 0.19125366210937500000f, 0.24472045898437500000f,
- 0.31652832031250000000f, 0.37213134765625000000f,
- 0.43600463867187494000f, 0.47781372070312500000f,
- 0.53195190429687500000f, 0.57568359375000000000f,
- 0.63381958007812500000f, 0.67767333984375000000f,
- 0.73355102539062500000f, 0.77706909179687489000f,
- 0.83566284179687500000f, 0.87286376953125000000f,
- 0.06008911132812500000f, 0.10086059570312500000f,
- 0.15310668945312500000f, 0.20526123046875000000f,
- 0.25558471679687500000f, 0.30496215820312500000f,
- 0.35504150390625000000f, 0.40527343750000000000f,
- 0.46014404296875000000f, 0.51119995117187500000f,
- 0.56347656250000000000f, 0.61398315429687500000f,
- 0.67013549804687500000f, 0.72808837890625000000f,
- 0.80029296875000011000f, 0.89410400390625011000f,
- 0.03656005859375000000f, 0.08078002929687500000f,
- 0.16564941406250000000f, 0.22653198242187500000f,
- 0.29830932617187500000f, 0.37094116210937500000f,
- 0.44754028320312500000f, 0.49877929687500000000f,
- 0.55300903320312500000f, 0.60394287109375000000f,
- 0.65786743164062489000f, 0.69723510742187500000f,
- 0.74719238281250011000f, 0.78558349609375000000f,
- 0.84347534179687500000f, 0.87619018554687500000f,
- 0.04992675781250000000f, 0.10232543945312500000f,
- 0.16622924804687500000f, 0.23184204101562503000f,
- 0.30020141601562500000f, 0.35543823242187500000f,
- 0.42614746093750000000f, 0.48886108398437500000f,
- 0.54510498046875000000f, 0.61389160156250000000f,
- 0.68112182617187500000f, 0.73355102539062500000f,
- 0.79241943359375000000f, 0.85711669921875011000f,
- 0.91290283203125011000f, 0.95501708984375000000f,
- 0.08166503906250000000f, 0.12527465820312500000f,
- 0.19464111328125000000f, 0.25094604492187500000f,
- 0.30694580078125000000f, 0.35244750976562500000f,
- 0.39892578124999994000f, 0.44107055664062494000f,
- 0.48693847656249994000f, 0.52963256835937500000f,
- 0.57772827148437500000f, 0.62261962890625000000f,
- 0.67697143554687500000f, 0.72888183593750000000f,
- 0.78482055664062500000f, 0.84603881835937500000f,
- 0.04190063476562500000f, 0.07913208007812500000f,
- 0.13577270507812500000f, 0.17190551757812500000f,
- 0.22277832031250000000f, 0.25711059570312500000f,
- 0.28912353515625000000f, 0.33013916015625000000f,
- 0.38967895507812500000f, 0.47979736328125006000f,
- 0.57989501953125000000f, 0.65396118164062500000f,
- 0.72271728515625000000f, 0.79113769531250000000f,
- 0.85861206054687500000f, 0.92568969726562500000f,
- 0.04870605468750000000f, 0.09713745117187500000f,
- 0.16412353515625003000f, 0.21862792968750000000f,
- 0.26458740234375000000f, 0.30838012695312500000f,
- 0.35003662109375000000f, 0.39166259765625000000f,
- 0.42697143554687500000f, 0.45904541015624994000f,
- 0.50787353515625000000f, 0.54635620117187500000f,
- 0.63351440429687500000f, 0.77157592773437500000f,
- 0.84747314453125000000f, 0.92285156249999989000f,
- 0.06216430664062500000f, 0.12167358398437500000f,
- 0.19033813476562500000f, 0.24771118164062500000f,
- 0.30377197265625000000f, 0.37368774414062500000f,
- 0.43386840820312500000f, 0.48498535156250000000f,
- 0.54244995117187500000f, 0.61383056640625000000f,
- 0.68096923828125000000f, 0.79168701171875000000f,
- 0.80276489257812500000f, 0.80819702148437500000f,
- 0.81774902343750000000f, 0.87161254882812500000f,
- 0.06655883789062500000f, 0.11773681640625000000f,
- 0.17578125000000000000f, 0.24182128906250000000f,
- 0.30642700195312500000f, 0.35330200195312500000f,
- 0.42019653320312494000f, 0.47912597656250000000f,
- 0.53189086914062500000f, 0.60665893554687500000f,
- 0.71969604492187500000f, 0.74884033203125000000f,
- 0.76940917968750000000f, 0.78408813476562511000f,
- 0.87548828125000000000f, 0.93099975585937489000f,
- 0.06079101562500000000f, 0.11846923828125000000f,
- 0.19757080078125000000f, 0.24057006835937503000f,
- 0.28628540039062500000f, 0.38671875000000006000f,
- 0.43762207031250000000f, 0.47915649414062500000f,
- 0.50836181640625000000f, 0.54418945312500000000f,
- 0.63629150390625000000f, 0.69839477539062500000f,
- 0.75308227539062511000f, 0.80740356445312500000f,
- 0.86947631835937500000f, 0.92956542968750000000f,
- 0.07296752929687500000f, 0.12170410156250000000f,
- 0.16625976562500000000f, 0.22680664062500000000f,
- 0.33612060546875000000f, 0.38388061523437500000f,
- 0.40100097656250000000f, 0.43170166015625000000f,
- 0.48516845703125006000f, 0.56738281250000000000f,
- 0.64404296875000000000f, 0.70169067382812500000f,
- 0.75296020507812500000f, 0.82965087890624989000f,
- 0.85882568359375000000f, 0.90368652343750000000f,
- 0.05227661132812500000f, 0.15570068359375000000f,
- 0.21328735351562500000f, 0.23797607421875000000f,
- 0.26458740234375000000f, 0.30853271484375000000f,
- 0.38897705078125000000f, 0.45413208007812500000f,
- 0.50991821289062500000f, 0.56173706054687500000f,
- 0.61419677734375000000f, 0.67465209960937500000f,
- 0.73794555664062500000f, 0.79949951171874989000f,
- 0.86172485351562500000f, 0.91970825195312500000f,
- 0.04919433593750000000f, 0.11038208007812500000f,
- 0.18762207031250000000f, 0.25509643554687500000f,
- 0.29223632812500000000f, 0.35180664062500006000f,
- 0.45581054687500000000f, 0.54348754882812500000f,
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+ 0.00000000000000000000f, 0.00000000000000000000f
};
const SKP_Silk_NLSF_CBS_FLP SKP_Silk_NLSF_CB1_16_Stage_info_FLP[ NLSF_MSVQ_CB1_16_STAGES ] =
--- a/src_FLP/SKP_Silk_tables_other_FLP.c
+++ b/src_FLP/SKP_Silk_tables_other_FLP.c
@@ -26,8 +26,7 @@
***********************************************************************/
#include "SKP_Silk_structs_FLP.h"
-#include "SKP_Silk_define_FLP.h"
-#include "SKP_Silk_perceptual_parameters.h"
+#include "SKP_Silk_tables_FLP.h"
const SKP_float SKP_Silk_HarmShapeFIR_FLP[ HARM_SHAPE_FIR_TAPS ] = { 16384.0f / 65536.0f, 32767.0f / 65536.0f, 16384.0f / 65536.0f };
--- a/src_FLP/SKP_Silk_wrappers_FLP.c
+++ b/src_FLP/SKP_Silk_wrappers_FLP.c
@@ -134,10 +134,10 @@
const SKP_int16 *pIn /* I Input signal */
)
{
- SKP_int i, ret, SA_Q8, Tilt_Q15;
+ SKP_int i, ret, SA_Q8, SNR_dB_Q7, Tilt_Q15;
SKP_int Quality_Bands_Q15[ VAD_N_BANDS ];
- ret = SKP_Silk_VAD_GetSA_Q8( &psEnc->sCmn.sVAD, &SA_Q8, Quality_Bands_Q15, &Tilt_Q15,
+ ret = SKP_Silk_VAD_GetSA_Q8( &psEnc->sCmn.sVAD, &SA_Q8, &SNR_dB_Q7, Quality_Bands_Q15, &Tilt_Q15,
pIn, psEnc->sCmn.frame_length, psEnc->sCmn.fs_kHz );
psEnc->speech_activity = ( SKP_float )SA_Q8 / 256.0f;
@@ -165,7 +165,7 @@
SKP_int16 x_16[ MAX_FRAME_LENGTH ];
/* Prediction and coding parameters */
SKP_int32 Gains_Q16[ MAX_NB_SUBFR ];
- SKP_array_of_int16_4_byte_aligned( PredCoef_Q12[ 2 ], MAX_LPC_ORDER );
+ SKP_DWORD_ALIGN SKP_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ];
SKP_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ];
SKP_int LTP_scale_Q14;
@@ -180,7 +180,7 @@
/* Convert control struct to fix control struct */
/* Noise shape parameters */
for( i = 0; i < MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER; i++ ) {
- AR2_Q13[ i ] = (SKP_int16)SKP_SAT16( SKP_float2int( psEncCtrl->AR2[ i ] * 8192.0f ) );
+ AR2_Q13[ i ] = SKP_float2int( psEncCtrl->AR2[ i ] * 8192.0f );
}
for( i = 0; i < MAX_NB_SUBFR; i++ ) {
@@ -222,7 +222,7 @@
/* Call NSQ */
if( useLBRR ) {
- if( psEnc->sCmn.nStatesDelayedDecision > 1 ) {
+ if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) {
SKP_Silk_NSQ_del_dec( &psEnc->sCmn, &psEncCtrl->sCmn, &psEnc->sNSQ_LBRR,
x_16, q, psEncCtrl->sCmn.NLSFInterpCoef_Q2, PredCoef_Q12[ 0 ], LTPCoef_Q14, AR2_Q13,
HarmShapeGain_Q14, Tilt_Q14, LF_shp_Q14, Gains_Q16, Lambda_Q10, LTP_scale_Q14 );
@@ -232,7 +232,7 @@
HarmShapeGain_Q14, Tilt_Q14, LF_shp_Q14, Gains_Q16, Lambda_Q10, LTP_scale_Q14 );
}
} else {
- if( psEnc->sCmn.nStatesDelayedDecision > 1 ) {
+ if( psEnc->sCmn.nStatesDelayedDecision > 1 || psEnc->sCmn.warping_Q16 > 0 ) {
SKP_Silk_NSQ_del_dec( &psEnc->sCmn, &psEncCtrl->sCmn, &psEnc->sNSQ,
x_16, q, psEncCtrl->sCmn.NLSFInterpCoef_Q2, PredCoef_Q12[ 0 ], LTPCoef_Q14, AR2_Q13,
HarmShapeGain_Q14, Tilt_Q14, LF_shp_Q14, Gains_Q16, Lambda_Q10, LTP_scale_Q14 );
--- a/src_SigProc_FIX/SKP_Silk_A2NLSF.c
+++ b/src_SigProc_FIX/SKP_Silk_A2NLSF.c
@@ -34,9 +34,9 @@
#include "SKP_Silk_SigProc_FIX.h"
/* Number of binary divisions, when not in low complexity mode */
-#define BIN_DIV_STEPS_A2NLSF_FIX 2 /* must be no higher than 16 - log2( LSF_COS_TAB_SZ_FIX ) */
+#define BIN_DIV_STEPS_A2NLSF_FIX 3 /* must be no higher than 16 - log2( LSF_COS_TAB_SZ_FIX ) */
#define QPoly 16
-#define MAX_ITERATIONS_A2NLSF_FIX 50
+#define MAX_ITERATIONS_A2NLSF_FIX 30
/* Flag for using 2x as many cosine sampling points, reduces the risk of missing a root */
#define OVERSAMPLE_COSINE_TABLE 0
@@ -61,7 +61,7 @@
/* Polynomial evaluation */
SKP_INLINE SKP_int32 SKP_Silk_A2NLSF_eval_poly( /* return the polynomial evaluation, in QPoly */
SKP_int32 *p, /* I Polynomial, QPoly */
- const SKP_int32 x, /* I Evaluation point, Q12 */
+ const SKP_int32 x, /* I Evaluation point, Q12 */
const SKP_int dd /* I Order */
)
{
@@ -78,9 +78,9 @@
SKP_INLINE void SKP_Silk_A2NLSF_init(
const SKP_int32 *a_Q16,
- SKP_int32 *P,
- SKP_int32 *Q,
- const SKP_int dd
+ SKP_int32 *P,
+ SKP_int32 *Q,
+ const SKP_int dd
)
{
SKP_int k;
@@ -257,7 +257,7 @@
}
/* Error: Apply progressively more bandwidth expansion and run again */
- SKP_Silk_bwexpander_32( a_Q16, d, 65536 - SKP_SMULBB( 66, i ) ); // 66_Q16 = 0.001
+ SKP_Silk_bwexpander_32( a_Q16, d, 65536 - SKP_SMULBB( 10 + i, i ) ); // 10_Q16 = 0.00015
SKP_Silk_A2NLSF_init( a_Q16, P, Q, dd );
p = P; /* Pointer to polynomial */
@@ -268,9 +268,9 @@
NLSF[ 0 ] = 0;
p = Q; /* Pointer to polynomial */
ylo = SKP_Silk_A2NLSF_eval_poly( p, xlo, dd );
- root_ix = 1; /* Index of current root */
+ root_ix = 1; /* Index of current root */
} else {
- root_ix = 0; /* Index of current root */
+ root_ix = 0; /* Index of current root */
}
k = 1; /* Reset loop counter */
}
--- a/src_SigProc_FIX/SKP_Silk_LPC_inv_pred_gain.c
+++ b/src_SigProc_FIX/SKP_Silk_LPC_inv_pred_gain.c
@@ -34,6 +34,7 @@
* Copyright 2008 (c), Skype Limited *
* */
#include "SKP_Silk_SigProc_FIX.h"
+
#define QA 16
#define A_LIMIT SKP_FIX_CONST( 0.99975, QA )
@@ -171,3 +172,4 @@
return LPC_inverse_pred_gain_QA( invGain_Q30, Atmp_QA, order );
}
+
--- a/src_SigProc_FIX/SKP_Silk_LPC_stabilize.c
+++ b/src_SigProc_FIX/SKP_Silk_LPC_stabilize.c
@@ -116,6 +116,7 @@
maxabs = SKP_RSHIFT( maxabs, rshift );
if( maxabs >= SKP_int16_MAX ) {
/* Reduce magnitude of prediction coefficients */
+ maxabs = SKP_min( maxabs, 98369 ); // ( SKP_int32_MAX / ( 65470 >> 2 ) ) + SKP_int16_MAX = 98369
sc_Q16 = 65470 - SKP_DIV32( SKP_MUL( 65470 >> 2, maxabs - SKP_int16_MAX ),
SKP_RSHIFT32( SKP_MUL( maxabs, idx + 1), 2 ) );
SKP_Silk_bwexpander_32( a_Q24, L, sc_Q16 );
--- a/src_SigProc_FIX/SKP_Silk_NLSF_VQ_weights_laroia.c
+++ b/src_SigProc_FIX/SKP_Silk_NLSF_VQ_weights_laroia.c
@@ -34,6 +34,7 @@
*/
#define Q_OUT 6
+#define MIN_NDELTA 3
/* Laroia low complexity NLSF weights */
void SKP_Silk_NLSF_VQ_weights_laroia(
@@ -50,9 +51,9 @@
SKP_assert( ( D & 1 ) == 0 );
/* First value */
- tmp1_int = SKP_max_int( pNLSF_Q15[ 0 ], 1 );
+ tmp1_int = SKP_max_int( pNLSF_Q15[ 0 ], MIN_NDELTA );
tmp1_int = SKP_DIV32_16( 1 << ( 15 + Q_OUT ), tmp1_int );
- tmp2_int = SKP_max_int( pNLSF_Q15[ 1 ] - pNLSF_Q15[ 0 ], 1 );
+ tmp2_int = SKP_max_int( pNLSF_Q15[ 1 ] - pNLSF_Q15[ 0 ], MIN_NDELTA );
tmp2_int = SKP_DIV32_16( 1 << ( 15 + Q_OUT ), tmp2_int );
pNLSFW_Q6[ 0 ] = (SKP_int)SKP_min_int( tmp1_int + tmp2_int, SKP_int16_MAX );
SKP_assert( pNLSFW_Q6[ 0 ] > 0 );
@@ -59,12 +60,12 @@
/* Main loop */
for( k = 1; k < D - 1; k += 2 ) {
- tmp1_int = SKP_max_int( pNLSF_Q15[ k + 1 ] - pNLSF_Q15[ k ], 1 );
+ tmp1_int = SKP_max_int( pNLSF_Q15[ k + 1 ] - pNLSF_Q15[ k ], MIN_NDELTA );
tmp1_int = SKP_DIV32_16( 1 << ( 15 + Q_OUT ), tmp1_int );
pNLSFW_Q6[ k ] = (SKP_int)SKP_min_int( tmp1_int + tmp2_int, SKP_int16_MAX );
SKP_assert( pNLSFW_Q6[ k ] > 0 );
- tmp2_int = SKP_max_int( pNLSF_Q15[ k + 2 ] - pNLSF_Q15[ k + 1 ], 1 );
+ tmp2_int = SKP_max_int( pNLSF_Q15[ k + 2 ] - pNLSF_Q15[ k + 1 ], MIN_NDELTA );
tmp2_int = SKP_DIV32_16( 1 << ( 15 + Q_OUT ), tmp2_int );
pNLSFW_Q6[ k + 1 ] = (SKP_int)SKP_min_int( tmp1_int + tmp2_int, SKP_int16_MAX );
SKP_assert( pNLSFW_Q6[ k + 1 ] > 0 );
@@ -71,7 +72,7 @@
}
/* Last value */
- tmp1_int = SKP_max_int( ( 1 << 15 ) - pNLSF_Q15[ D - 1 ], 1 );
+ tmp1_int = SKP_max_int( ( 1 << 15 ) - pNLSF_Q15[ D - 1 ], MIN_NDELTA );
tmp1_int = SKP_DIV32_16( 1 << ( 15 + Q_OUT ), tmp1_int );
pNLSFW_Q6[ D - 1 ] = (SKP_int)SKP_min_int( tmp1_int + tmp2_int, SKP_int16_MAX );
SKP_assert( pNLSFW_Q6[ D - 1 ] > 0 );
--- a/src_SigProc_FIX/SKP_Silk_SigProc_FIX.h
+++ b/src_SigProc_FIX/SKP_Silk_SigProc_FIX.h
@@ -82,10 +82,10 @@
Upsample 2x, low quality
*/
void SKP_Silk_resampler_up2(
- SKP_int32 *S, /* I/O: State vector [ 2 ] */
- SKP_int16 *out, /* O: Output signal [ 2 * len ] */
- const SKP_int16 *in, /* I: Input signal [ len ] */
- SKP_int32 len /* I: Number of INPUT samples */
+ SKP_int32 *S, /* I/O: State vector [ 2 ] */
+ SKP_int16 *out, /* O: Output signal [ 2 * len ] */
+ const SKP_int16 *in, /* I: Input signal [ len ] */
+ SKP_int32 len /* I: Number of input samples */
);
/*!
@@ -92,10 +92,10 @@
* Downsample 2x, mediocre quality
*/
void SKP_Silk_resampler_down2(
- SKP_int32 *S, /* I/O: State vector [ 2 ] */
- SKP_int16 *out, /* O: Output signal [ len ] */
- const SKP_int16 *in, /* I: Input signal [ 2 * len ] */
- SKP_int32 len /* I: Number of OUTPUT samples */
+ SKP_int32 *S, /* I/O: State vector [ 2 ] */
+ SKP_int16 *out, /* O: Output signal [ len ] */
+ const SKP_int16 *in, /* I: Input signal [ floor(len/2) ] */
+ SKP_int32 inLen /* I: Number of input samples */
);
@@ -110,7 +110,7 @@
);
/*!
- * Downsamples by a factor 3, low quality
+ * Downsample by a factor 3, low quality
*/
void SKP_Silk_resampler_down3(
SKP_int32 *S, /* I/O: State vector [ 8 ] */
@@ -301,12 +301,12 @@
/* Calculates the reflection coefficients from the correlation sequence */
/* Faster than schur64(), but much less accurate. */
-/* Uses SMLAWB(), requiring armv5E and higher. */
-void SKP_Silk_schur(
- SKP_int16 *rc_Q15, /* O: reflection coefficients [order] Q15 */
- const SKP_int32 *c, /* I: correlations [order+1] */
- const SKP_int32 order /* I: prediction order */
-);
+/* uses SMLAWB(), requiring armv5E and higher. */
+SKP_int32 SKP_Silk_schur( /* O: Returns residual energy */
+ SKP_int16 *rc_Q15, /* O: reflection coefficients [order] Q15 */
+ const SKP_int32 *c, /* I: correlations [order+1] */
+ const SKP_int32 order /* I: prediction order */
+);;
/* Calculates the reflection coefficients from the correlation sequence */
/* Slower than schur(), but more accurate. */
@@ -333,7 +333,6 @@
/* Apply sine window to signal vector. */
/* Window types: */
-/* 0 -> sine window from 0 to pi */
/* 1 -> sine window from 0 to pi/2 */
/* 2 -> sine window from pi/2 to pi */
/* every other sample of window is linearly interpolated, for speed */
@@ -552,10 +551,12 @@
return (SKP_int32) ((x << (32 - r)) | (x >> r));
}
-/* Define 4-byte aligned array of SKP_int16 */
-#define SKP_array_of_int16_4_byte_aligned( arrayName, nElements ) \
- SKP_int32 dummy_int32 ## arrayName; \
- SKP_int16 arrayName[ (nElements) ]
+/* Allocate SKP_int16 alligned to 4-byte memory address */
+#if EMBEDDED_ARM
+#define SKP_DWORD_ALIGN __attribute__((aligned(4)))
+#else
+#define SKP_DWORD_ALIGN
+#endif
/* Useful Macros that can be adjusted to other platforms */
#define SKP_memcpy(a, b, c) memcpy((a), (b), (c)) /* Dest, Src, ByteCount */
@@ -684,7 +685,7 @@
#define SKP_max(a, b) (((a) > (b)) ? (a) : (b))
/* Macro to convert floating-point constants to fixed-point */
-#define SKP_FIX_CONST( C, Q ) ((SKP_int32)((C) * (1 << (Q)) + 0.5))
+#define SKP_FIX_CONST( C, Q ) ((SKP_int32)((C) * ((SKP_int64)1 << (Q)) + 0.5))
/* SKP_min() versions with typecast in the function call */
SKP_INLINE SKP_int SKP_min_int(SKP_int a, SKP_int b)
--- a/src_SigProc_FIX/SKP_Silk_apply_sine_window.c
+++ b/src_SigProc_FIX/SKP_Silk_apply_sine_window.c
@@ -29,10 +29,20 @@
/* Apply sine window to signal vector. */
/* Window types: */
-/* 0 -> sine window from 0 to pi */
/* 1 -> sine window from 0 to pi/2 */
/* 2 -> sine window from pi/2 to pi */
-/* every other sample of window is linearly interpolated, for speed */
+/* Every other sample is linearly interpolated, for speed. */
+/* Window length must be between 16 and 120 (incl) and a multiple of 4. */
+
+/* Matlab code for table:
+ for k=16:9*4:16+2*9*4, fprintf(' %7.d,', -round(65536*pi ./ (k:4:k+8*4))); fprintf('\n'); end
+*/
+static SKP_int16 freq_table_Q16[ 27 ] = {
+ 12111, 9804, 8235, 7100, 6239, 5565, 5022, 4575, 4202,
+ 3885, 3612, 3375, 3167, 2984, 2820, 2674, 2542, 2422,
+ 2313, 2214, 2123, 2038, 1961, 1889, 1822, 1760, 1702,
+};
+
void SKP_Silk_apply_sine_window(
SKP_int16 px_win[], /* O Pointer to windowed signal */
const SKP_int16 px[], /* I Pointer to input signal */
@@ -40,51 +50,48 @@
const SKP_int length /* I Window length, multiple of 4 */
)
{
- SKP_int k;
- SKP_int32 f_Q16, c_Q20, S0_Q16, S1_Q16;
- /* Length must be multiple of 4 */
- SKP_assert( ( length & 3 ) == 0 );
+ SKP_int k, f_Q16, c_Q16;
+ SKP_int32 S0_Q16, S1_Q16;
- /* Input pointer must be 4-byte aligned */
- SKP_assert( ( (SKP_int64)px & 3 ) == 0 );
+ SKP_assert( win_type == 1 || win_type == 2 );
- if( win_type == 0 ) {
- f_Q16 = SKP_DIV32_16( 411775, length + 1 ); // 411775 = 2 * 65536 * pi
- } else {
- f_Q16 = SKP_DIV32_16( 205887, length + 1 ); // 205887 = 65536 * pi
- }
+ /* Length must be in a range from 16 to 120 and a multiple of 4 */
+ SKP_assert( length >= 16 && length <= 120 );
+ SKP_assert( ( length & 3 ) == 0 );
- /* factor used for cosine approximation */
- c_Q20 = -SKP_RSHIFT( SKP_MUL( f_Q16, f_Q16 ), 12 );
+ /* Frequency */
+ k = ( length >> 2 ) - 4;
+ SKP_assert( k >= 0 && k <= 26 );
+ f_Q16 = (SKP_int)freq_table_Q16[ k ];
- /* c_Q20 becomes too large if length is too small */
- SKP_assert( c_Q20 >= -32768 );
+ /* Factor used for cosine approximation */
+ c_Q16 = SKP_SMULWB( f_Q16, -f_Q16 );
+ SKP_assert( c_Q16 >= -32768 );
/* initialize state */
- if( win_type < 2 ) {
+ if( win_type == 1 ) {
/* start from 0 */
S0_Q16 = 0;
/* approximation of sin(f) */
- S1_Q16 = f_Q16;
+ S1_Q16 = f_Q16 + SKP_RSHIFT( length, 3 );
} else {
/* start from 1 */
S0_Q16 = ( 1 << 16 );
/* approximation of cos(f) */
- S1_Q16 = ( 1 << 16 ) + SKP_RSHIFT( c_Q20, 5 );
+ S1_Q16 = ( 1 << 16 ) + SKP_RSHIFT( c_Q16, 1 ) + SKP_RSHIFT( length, 4 );
}
-
/* Uses the recursive equation: sin(n*f) = 2 * cos(f) * sin((n-1)*f) - sin((n-2)*f) */
/* 4 samples at a time */
for( k = 0; k < length; k += 4 ) {
px_win[ k ] = (SKP_int16)SKP_SMULWB( SKP_RSHIFT( S0_Q16 + S1_Q16, 1 ), px[ k ] );
px_win[ k + 1 ] = (SKP_int16)SKP_SMULWB( S1_Q16, px[ k + 1] );
- S0_Q16 = SKP_RSHIFT( SKP_MUL( c_Q20, S1_Q16 ), 20 ) + SKP_LSHIFT( S1_Q16, 1 ) - S0_Q16 + 1;
+ S0_Q16 = SKP_SMULWB( S1_Q16, c_Q16 ) + SKP_LSHIFT( S1_Q16, 1 ) - S0_Q16 + 1;
S0_Q16 = SKP_min( S0_Q16, ( 1 << 16 ) );
px_win[ k + 2 ] = (SKP_int16)SKP_SMULWB( SKP_RSHIFT( S0_Q16 + S1_Q16, 1 ), px[ k + 2] );
px_win[ k + 3 ] = (SKP_int16)SKP_SMULWB( S0_Q16, px[ k + 3 ] );
- S1_Q16 = SKP_RSHIFT( SKP_MUL( c_Q20, S0_Q16 ), 20 ) + SKP_LSHIFT( S0_Q16, 1 ) - S1_Q16;
+ S1_Q16 = SKP_SMULWB( S0_Q16, c_Q16 ) + SKP_LSHIFT( S0_Q16, 1 ) - S1_Q16;
S1_Q16 = SKP_min( S1_Q16, ( 1 << 16 ) );
}
}
--- a/src_SigProc_FIX/SKP_Silk_array_maxabs.c
+++ b/src_SigProc_FIX/SKP_Silk_array_maxabs.c
@@ -37,7 +37,6 @@
#include "SKP_Silk_SigProc_FIX.h"
/* Function that returns the maximum absolut value of the input vector */
-#if (! defined(__mips__)) && EMBEDDED_ARM<4
SKP_int16 SKP_Silk_int16_array_maxabs( /* O Maximum absolute value, max: 2^15-1 */
const SKP_int16 *vec, /* I Input vector [len] */
const SKP_int32 len /* I Length of input vector */
@@ -44,6 +43,7 @@
)
{
SKP_int32 max = 0, i, lvl = 0, ind;
+ if( len == 0 ) return 0;
ind = len - 1;
max = SKP_SMULBB( vec[ ind ], vec[ ind ] );
@@ -66,4 +66,4 @@
}
}
}
-#endif
+
--- a/src_SigProc_FIX/SKP_Silk_burg_modified.c
+++ b/src_SigProc_FIX/SKP_Silk_burg_modified.c
@@ -40,7 +40,7 @@
#define MAX_FRAME_SIZE 544 // subfr_length * nb_subfr = ( 0.005 * 24000 + 16 ) * 4 = 544
#define MAX_NB_SUBFR 4
-#define QA 24
+#define QA 25
#define N_BITS_HEAD_ROOM 2
#define MIN_RSHIFTS -16
#define MAX_RSHIFTS (32 - QA)
--- /dev/null
+++ b/src_SigProc_FIX/SKP_Silk_debug.c
@@ -1,0 +1,169 @@
+/***********************************************************************
+Copyright (c) 2006-2010, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+/* *
+ * SKP_debug.c *
+ * *
+ * This contains code to help debugging *
+ * *
+ * Copyright 2009 (c), Skype Limited *
+ * Date: 090629 *
+ * */
+
+#include "SKP_debug.h"
+#include "../src_SigProc_FIX/SKP_Silk_SigProc_FIX.h"
+
+#ifdef _WIN32
+
+#if (defined(_WIN32) || defined(_WINCE))
+#include <windows.h> /* timer */
+#else // Linux or Mac
+#include <sys/time.h>
+#endif
+
+unsigned long GetHighResolutionTime() /* O: time in usec*/
+{
+ /* Returns a time counter in microsec */
+ /* the resolution is platform dependent */
+ /* but is typically 1.62 us resolution */
+ LARGE_INTEGER lpPerformanceCount;
+ LARGE_INTEGER lpFrequency;
+ QueryPerformanceCounter(&lpPerformanceCount);
+ QueryPerformanceFrequency(&lpFrequency);
+ return (unsigned long)((1000000*(lpPerformanceCount.QuadPart)) / lpFrequency.QuadPart);
+}
+#else // Linux or Mac
+unsigned long GetHighResolutionTime() /* O: time in usec*/
+{
+ struct timeval tv;
+ gettimeofday(&tv, 0);
+ return((tv.tv_sec*1000000)+(tv.tv_usec));
+}
+#endif
+
+#if SKP_TIC_TOC
+
+int SKP_Timer_nTimers = 0;
+int SKP_Timer_depth_ctr = 0;
+char SKP_Timer_tags[SKP_NUM_TIMERS_MAX][SKP_NUM_TIMERS_MAX_TAG_LEN];
+#ifdef WIN32
+LARGE_INTEGER SKP_Timer_start[SKP_NUM_TIMERS_MAX];
+#else
+unsigned long SKP_Timer_start[SKP_NUM_TIMERS_MAX];
+#endif
+unsigned int SKP_Timer_cnt[SKP_NUM_TIMERS_MAX];
+SKP_int64 SKP_Timer_min[SKP_NUM_TIMERS_MAX];
+SKP_int64 SKP_Timer_sum[SKP_NUM_TIMERS_MAX];
+SKP_int64 SKP_Timer_max[SKP_NUM_TIMERS_MAX];
+SKP_int64 SKP_Timer_depth[SKP_NUM_TIMERS_MAX];
+
+#ifdef WIN32
+void SKP_TimerSave(char *file_name)
+{
+ if( SKP_Timer_nTimers > 0 )
+ {
+ int k;
+ FILE *fp;
+ LARGE_INTEGER lpFrequency;
+ LARGE_INTEGER lpPerformanceCount1, lpPerformanceCount2;
+ int del = 0x7FFFFFFF;
+ double avg, sum_avg;
+ /* estimate overhead of calling performance counters */
+ for( k = 0; k < 1000; k++ ) {
+ QueryPerformanceCounter(&lpPerformanceCount1);
+ QueryPerformanceCounter(&lpPerformanceCount2);
+ lpPerformanceCount2.QuadPart -= lpPerformanceCount1.QuadPart;
+ if( (int)lpPerformanceCount2.LowPart < del )
+ del = lpPerformanceCount2.LowPart;
+ }
+ QueryPerformanceFrequency(&lpFrequency);
+ /* print results to file */
+ sum_avg = 0.0f;
+ for( k = 0; k < SKP_Timer_nTimers; k++ ) {
+ if (SKP_Timer_depth[k] == 0) {
+ sum_avg += (1e6 * SKP_Timer_sum[k] / SKP_Timer_cnt[k] - del) / lpFrequency.QuadPart * SKP_Timer_cnt[k];
+ }
+ }
+ fp = fopen(file_name, "w");
+ fprintf(fp, " min avg %% max count\n");
+ for( k = 0; k < SKP_Timer_nTimers; k++ ) {
+ if (SKP_Timer_depth[k] == 0) {
+ fprintf(fp, "%-28s", SKP_Timer_tags[k]);
+ } else if (SKP_Timer_depth[k] == 1) {
+ fprintf(fp, " %-27s", SKP_Timer_tags[k]);
+ } else if (SKP_Timer_depth[k] == 2) {
+ fprintf(fp, " %-26s", SKP_Timer_tags[k]);
+ } else if (SKP_Timer_depth[k] == 3) {
+ fprintf(fp, " %-25s", SKP_Timer_tags[k]);
+ } else {
+ fprintf(fp, " %-24s", SKP_Timer_tags[k]);
+ }
+ avg = (1e6 * SKP_Timer_sum[k] / SKP_Timer_cnt[k] - del) / lpFrequency.QuadPart;
+ fprintf(fp, "%8.2f", (1e6 * (SKP_max_64(SKP_Timer_min[k] - del, 0))) / lpFrequency.QuadPart);
+ fprintf(fp, "%12.2f %6.2f", avg, 100.0 * avg / sum_avg * SKP_Timer_cnt[k]);
+ fprintf(fp, "%12.2f", (1e6 * (SKP_max_64(SKP_Timer_max[k] - del, 0))) / lpFrequency.QuadPart);
+ fprintf(fp, "%10d\n", SKP_Timer_cnt[k]);
+ }
+ fprintf(fp, " microseconds\n");
+ fclose(fp);
+ }
+}
+#else
+void SKP_TimerSave(char *file_name)
+{
+ if( SKP_Timer_nTimers > 0 )
+ {
+ int k;
+ FILE *fp;
+ /* print results to file */
+ fp = fopen(file_name, "w");
+ fprintf(fp, " min avg max count\n");
+ for( k = 0; k < SKP_Timer_nTimers; k++ )
+ {
+ if (SKP_Timer_depth[k] == 0) {
+ fprintf(fp, "%-28s", SKP_Timer_tags[k]);
+ } else if (SKP_Timer_depth[k] == 1) {
+ fprintf(fp, " %-27s", SKP_Timer_tags[k]);
+ } else if (SKP_Timer_depth[k] == 2) {
+ fprintf(fp, " %-26s", SKP_Timer_tags[k]);
+ } else if (SKP_Timer_depth[k] == 3) {
+ fprintf(fp, " %-25s", SKP_Timer_tags[k]);
+ } else {
+ fprintf(fp, " %-24s", SKP_Timer_tags[k]);
+ }
+ fprintf(fp, "%d ", SKP_Timer_min[k]);
+ fprintf(fp, "%f ", (double)SKP_Timer_sum[k] / (double)SKP_Timer_cnt[k]);
+ fprintf(fp, "%d ", SKP_Timer_max[k]);
+ fprintf(fp, "%10d\n", SKP_Timer_cnt[k]);
+ }
+ fprintf(fp, " microseconds\n");
+ fclose(fp);
+ }
+}
+#endif
+
+#endif /* SKP_TIC_TOC */
--- a/src_SigProc_FIX/SKP_Silk_pitch_analysis_core.c
+++ b/src_SigProc_FIX/SKP_Silk_pitch_analysis_core.c
@@ -64,7 +64,7 @@
/*************************************************************/
/* FIXED POINT CORE PITCH ANALYSIS FUNCTION */
/*************************************************************/
-SKP_int SKP_Silk_pitch_analysis_core( /* O Voicing estimate: 0 voiced, 1 unvoiced */
+SKP_int SKP_Silk_pitch_analysis_core( /* O Voicing estimate: 0 voiced, 1 unvoiced */
const SKP_int16 *signal, /* I Signal of length PE_FRAME_LENGTH_MS*Fs_kHz */
SKP_int *pitch_out, /* O 4 pitch lag values */
SKP_int *lagIndex, /* O Lag Index */
@@ -187,7 +187,7 @@
/* Calculate first vector products before loop */
cross_corr = SKP_Silk_inner_prod_aligned( target_ptr, basis_ptr, sf_length_8kHz );
normalizer = SKP_Silk_inner_prod_aligned( basis_ptr, basis_ptr, sf_length_8kHz );
- normalizer = SKP_ADD_SAT32( normalizer, 1000 );
+ normalizer = SKP_ADD_SAT32( normalizer, SKP_SMULBB( sf_length_8kHz, 4000 ) );
temp32 = SKP_DIV32( cross_corr, SKP_Silk_SQRT_APPROX( normalizer ) + 1 );
C[ k ][ min_lag_4kHz ] = (SKP_int16)SKP_SAT16( temp32 ); /* Q0 */
@@ -226,7 +226,7 @@
C[ 0 ][ i ] = (SKP_int16)sum; /* Q-1 */
}
} else {
- /* Only short lag bias */
+ /* Only short-lag bias */
for( i = max_lag_4kHz; i >= min_lag_4kHz; i-- ) {
sum = (SKP_int32)C[ 0 ][ i ];
sum = SKP_SMLAWB( sum, sum, SKP_LSHIFT( -i, 4 ) ); /* Q-1 */
@@ -233,10 +233,11 @@
C[ 0 ][ i ] = (SKP_int16)sum; /* Q-1 */
}
}
+
/* Sort */
- length_d_srch = 5 + complexity;
- SKP_assert( length_d_srch <= PE_D_SRCH_LENGTH );
- SKP_Silk_insertion_sort_decreasing_int16( &C[ 0 ][ min_lag_4kHz ], d_srch, max_lag_4kHz - min_lag_4kHz + 1, length_d_srch );
+ length_d_srch = SKP_ADD_LSHIFT32( 4, complexity, 1 );
+ SKP_assert( 3 * length_d_srch <= PE_D_SRCH_LENGTH );
+ SKP_Silk_insertion_sort_decreasing_int16( &C[ 0 ][ min_lag_4kHz ], d_srch, max_lag_4kHz - min_lag_4kHz + 1, length_d_srch );
/* Escape if correlation is very low already here */
target_ptr = &signal_4kHz[ SKP_SMULBB( sf_length_4kHz, nb_subfr ) ];
@@ -244,8 +245,8 @@
energy = SKP_ADD_SAT32( energy, 1000 ); /* Q0 */
Cmax = (SKP_int)C[ 0 ][ min_lag_4kHz ]; /* Q-1 */
threshold = SKP_SMULBB( Cmax, Cmax ); /* Q-2 */
- /* Compare in Q-2 domain */
+ /* Compare in Q-2 domain */
if( SKP_RSHIFT( energy, 4 + 2 ) > threshold ) {
SKP_memset( pitch_out, 0, nb_subfr * sizeof( SKP_int ) );
*LTPCorr_Q15 = 0;
@@ -333,7 +334,7 @@
basis_ptr = target_ptr - d;
/* Check that we are within range of the array */
- SKP_assert( basis_ptr >= signal_8kHz );
+ SKP_assert( basis_ptr >= signal_8kHz );
SKP_assert( basis_ptr + sf_length_8kHz <= signal_8kHz + frame_length_8kHz );
cross_corr = SKP_Silk_inner_prod_aligned( target_ptr, basis_ptr, sf_length_8kHz );
@@ -433,7 +434,10 @@
CCmax_new_b -= prev_lag_bias_Q15; /* Q15 */
}
- if( CCmax_new_b > CCmax_b && CCmax_new > corr_thres_Q15 ) {
+ if ( CCmax_new_b > CCmax_b && /* Find maximum biased correlation */
+ CCmax_new > corr_thres_Q15 && /* Correlation needs to be high enough to be voiced */
+ SKP_Silk_CB_lags_stage2[ 0 ][ CBimax_new ] <= min_lag_8kHz /* Lag must be in range */
+ ) {
CCmax_b = CCmax_new_b;
CCmax = CCmax_new;
lag = d;
@@ -522,7 +526,7 @@
for( k = 0; k < nb_subfr; k++ ) {
SKP_assert( PE_MAX_NB_SUBFR == 4 );
energy += SKP_RSHIFT( energies_st3[ k ][ j ][ lag_counter ], 2 ); /* use mean, to avoid overflow */
- SKP_assert( energy >= 0 );
+ SKP_assert( energy >= 0 );
cross_corr += SKP_RSHIFT( crosscorr_st3[ k ][ j ][ lag_counter ], 2 ); /* use mean, to avoid overflow */
}
if( cross_corr > 0 ) {
@@ -549,7 +553,9 @@
CCmax_new = 0;
}
- if( CCmax_new > CCmax ) {
+ if( CCmax_new > CCmax &&
+ ( d + (SKP_int)SKP_Silk_CB_lags_stage3[ 0 ][ j ] ) <= max_lag
+ ) {
CCmax = CCmax_new;
lag_new = d;
CBimax = j;
--- a/src_SigProc_FIX/SKP_Silk_pitch_est_tables.c
+++ b/src_SigProc_FIX/SKP_Silk_pitch_est_tables.c
@@ -36,7 +36,7 @@
const SKP_int8 SKP_Silk_CB_lags_stage3_10_ms[ PE_MAX_NB_SUBFR >> 1 ][ PE_NB_CBKS_STAGE3_10MS ] =
{
- {-3,-2,-2,-1,-1, 0, 0, 1, 1, 2, 2,3},
+ {-3,-2,-2,-1,-1, 0, 0, 1, 1, 2, 2, 3},
{ 3, 3, 2, 2, 1, 1, 0, 0,-1,-1,-2,-2}
};
--- a/src_SigProc_FIX/SKP_Silk_resampler_down2.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_down2.c
@@ -36,7 +36,6 @@
#include "SKP_Silk_SigProc_FIX.h"
#include "SKP_Silk_resampler_rom.h"
-#if (EMBEDDED_ARM<5) && (!defined(__mips__))
/* Downsample by a factor 2, mediocre quality */
void SKP_Silk_resampler_down2(
SKP_int32 *S, /* I/O: State vector [ 2 ] */
@@ -76,4 +75,4 @@
out[ k ] = (SKP_int16)SKP_SAT16( SKP_RSHIFT_ROUND( out32, 11 ) );
}
}
-#endif
+
--- a/src_SigProc_FIX/SKP_Silk_resampler_private.h
+++ b/src_SigProc_FIX/SKP_Silk_resampler_private.h
@@ -37,6 +37,7 @@
#ifndef SKP_Silk_RESAMPLER_H
#define SKP_Silk_RESAMPLER_H
+
#ifdef __cplusplus
extern "C" {
#endif
--- a/src_SigProc_FIX/SKP_Silk_resampler_private_AR2.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_private_AR2.c
@@ -36,7 +36,6 @@
#include "SKP_Silk_SigProc_FIX.h"
#include "SKP_Silk_resampler_private.h"
-#if (EMBEDDED_ARM<5) && (!defined(__mips__))
/* Second order AR filter with single delay elements */
void SKP_Silk_resampler_private_AR2(
SKP_int32 S[], /* I/O: State vector [ 2 ] */
@@ -57,4 +56,4 @@
S[ 1 ] = SKP_SMULWB( out32, A_Q14[ 1 ] );
}
}
-#endif
+
--- a/src_SigProc_FIX/SKP_Silk_resampler_private_ARMA4.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_private_ARMA4.c
@@ -42,7 +42,6 @@
/* Coeffients are stored in a packed format: */
/* { B1_Q14[1], B2_Q14[1], -A1_Q14[1], -A1_Q14[2], -A2_Q14[1], -A2_Q14[2], gain_Q16 } */
/* where it is assumed that B*_Q14[0], B*_Q14[2], A*_Q14[0] are all 16384 */
-#if (EMBEDDED_ARM<5) && (!defined(__mips__))
void SKP_Silk_resampler_private_ARMA4(
SKP_int32 S[], /* I/O: State vector [ 4 ] */
SKP_int16 out[], /* O: Output signal */
@@ -75,5 +74,5 @@
out[ k ] = (SKP_int16)SKP_SAT16( SKP_RSHIFT32( SKP_SMLAWB( 128, out2_Q8, Coef[ 6 ] ), 8 ) );
}
}
-#endif
+
--- a/src_SigProc_FIX/SKP_Silk_resampler_private_down_FIR.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_private_down_FIR.c
@@ -46,12 +46,14 @@
buf_ptr = buf2 + SKP_RSHIFT( index_Q16, 16 );
/* Inner product */
- res_Q6 = SKP_SMULWB( SKP_ADD32( buf_ptr[ 0 ], buf_ptr[ 11 ] ), FIR_Coefs[ 0 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 1 ], buf_ptr[ 10 ] ), FIR_Coefs[ 1 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 2 ], buf_ptr[ 9 ] ), FIR_Coefs[ 2 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 3 ], buf_ptr[ 8 ] ), FIR_Coefs[ 3 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 4 ], buf_ptr[ 7 ] ), FIR_Coefs[ 4 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 5 ], buf_ptr[ 6 ] ), FIR_Coefs[ 5 ] );
+ res_Q6 = SKP_SMULWB( SKP_ADD32( buf_ptr[ 0 ], buf_ptr[ 15 ] ), FIR_Coefs[ 0 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 1 ], buf_ptr[ 14 ] ), FIR_Coefs[ 1 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 2 ], buf_ptr[ 13 ] ), FIR_Coefs[ 2 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 3 ], buf_ptr[ 12 ] ), FIR_Coefs[ 3 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 4 ], buf_ptr[ 11 ] ), FIR_Coefs[ 4 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 5 ], buf_ptr[ 10 ] ), FIR_Coefs[ 5 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 6 ], buf_ptr[ 9 ] ), FIR_Coefs[ 6 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, SKP_ADD32( buf_ptr[ 7 ], buf_ptr[ 8 ] ), FIR_Coefs[ 7 ] );
/* Scale down, saturate and store in output array */
*out++ = (SKP_int16)SKP_SAT16( SKP_RSHIFT_ROUND( res_Q6, 6 ) );
@@ -81,13 +83,17 @@
res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 3 ], interpol_ptr[ 3 ] );
res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 4 ], interpol_ptr[ 4 ] );
res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 5 ], interpol_ptr[ 5 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 6 ], interpol_ptr[ 6 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 7 ], interpol_ptr[ 7 ] );
interpol_ptr = &FIR_Coefs[ RESAMPLER_DOWN_ORDER_FIR / 2 * ( FIR_Fracs - 1 - interpol_ind ) ];
- res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 11 ], interpol_ptr[ 0 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 10 ], interpol_ptr[ 1 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 9 ], interpol_ptr[ 2 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 8 ], interpol_ptr[ 3 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 7 ], interpol_ptr[ 4 ] );
- res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 6 ], interpol_ptr[ 5 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 15 ], interpol_ptr[ 0 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 14 ], interpol_ptr[ 1 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 13 ], interpol_ptr[ 2 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 12 ], interpol_ptr[ 3 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 11 ], interpol_ptr[ 4 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 10 ], interpol_ptr[ 5 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 9 ], interpol_ptr[ 6 ] );
+ res_Q6 = SKP_SMLAWB( res_Q6, buf_ptr[ 8 ], interpol_ptr[ 7 ] );
/* Scale down, saturate and store in output array */
*out++ = (SKP_int16)SKP_SAT16( SKP_RSHIFT_ROUND( res_Q6, 6 ) );
--- a/src_SigProc_FIX/SKP_Silk_resampler_private_up2_HQ.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_private_up2_HQ.c
@@ -39,7 +39,6 @@
/* Upsample by a factor 2, high quality */
/* Uses 2nd order allpass filters for the 2x upsampling, followed by a */
/* notch filter just above Nyquist. */
-#if (EMBEDDED_ARM<5) && (!defined(__mips__))
void SKP_Silk_resampler_private_up2_HQ(
SKP_int32 *S, /* I/O: Resampler state [ 6 ] */
SKP_int16 *out, /* O: Output signal [ 2 * len ] */
@@ -105,8 +104,6 @@
SKP_SMLAWB( 256, out32_1, SKP_Silk_resampler_up2_hq_notch[ 3 ] ), 9 ) );
}
}
-#endif
-
void SKP_Silk_resampler_private_up2_HQ_wrapper(
void *SS, /* I/O: Resampler state (unused) */
--- a/src_SigProc_FIX/SKP_Silk_resampler_private_up4.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_private_up4.c
@@ -34,7 +34,7 @@
* */
#include "SKP_Silk_SigProc_FIX.h"
-#include "SKP_Silk_resampler_rom.h"
+#include "SKP_Silk_resampler_private.h"
/* Upsample by a factor 4, Note: very low quality, only use with output sampling rates above 96 kHz. */
void SKP_Silk_resampler_private_up4(
--- a/src_SigProc_FIX/SKP_Silk_resampler_rom.c
+++ b/src_SigProc_FIX/SKP_Silk_resampler_rom.c
@@ -29,7 +29,7 @@
* File Name: SKP_Silk_resampler_rom.c *
* *
* Description: Filter coefficients for IIR/FIR polyphase resampling *
- * Total size: 550 Words (1.1 kB) *
+ * Total size: <600 Words (1.2 kB) *
* *
* Copyright 2010 (c), Skype Limited *
* All rights reserved. *
@@ -37,59 +37,52 @@
#include "SKP_Silk_resampler_private.h"
-
-#if EMBEDDED_ARM
-#define SKP_DWORD_ALIGN __attribute__((aligned(4)))
-#else
-#define SKP_DWORD_ALIGN
-#endif
-
-/* Tables for 2x downsampler. Values above 32767 intentionally wrap to a negative value. */
+/* Tables for 2x downsampler */
const SKP_int16 SKP_Silk_resampler_down2_0 = 9872;
-const SKP_int16 SKP_Silk_resampler_down2_1 = 39809;
+const SKP_int16 SKP_Silk_resampler_down2_1 = 39809 - 65536;
-/* Tables for 2x upsampler, low quality. Values above 32767 intentionally wrap to a negative value. */
+/* Tables for 2x upsampler, low quality */
const SKP_int16 SKP_Silk_resampler_up2_lq_0 = 8102;
-const SKP_int16 SKP_Silk_resampler_up2_lq_1 = 36783;
+const SKP_int16 SKP_Silk_resampler_up2_lq_1 = 36783 - 65536;
-/* Tables for 2x upsampler, high quality. Values above 32767 intentionally wrap to a negative value. */
-const SKP_int16 SKP_Silk_resampler_up2_hq_0[ 2 ] = { 4280, 33727 };
-const SKP_int16 SKP_Silk_resampler_up2_hq_1[ 2 ] = { 16295, 54015 };
+/* Tables for 2x upsampler, high quality */
+const SKP_int16 SKP_Silk_resampler_up2_hq_0[ 2 ] = { 4280, 33727 - 65536 };
+const SKP_int16 SKP_Silk_resampler_up2_hq_1[ 2 ] = { 16295, 54015 - 65536 };
/* Matlab code for the notch filter coefficients: */
-/* B = [1, 0.12, 1]; A = [1, 0.055, 0.8]; G = 0.87; freqz(G * B, A, 2^14, 16e3); axis([0, 8000, -10, 1]); */
+/* B = [1, 0.14, 1]; A = [1, 0.08, 0.84]; G = 0.89; freqz(G * B, A, 2^14, 16e3); axis([0, 8000, -10, 1]); */
/* fprintf('\t%6d, %6d, %6d, %6d\n', round(B(2)*2^16), round(-A(2)*2^16), round((1-A(3))*2^16), round(G*2^15)) */
-const SKP_int16 SKP_Silk_resampler_up2_hq_notch[ 4 ] = { 7864, -3604, 13107, 28508 };
+const SKP_int16 SKP_Silk_resampler_up2_hq_notch[ 4 ] = { 9175, -5243, 10486, 29164 };
+//const SKP_int16 SKP_Silk_resampler_up2_hq_notch[ 4 ] = { 6554, -3932, 6554, 30573 }; /* for hybrid mode? */
-
-/* Tables with IIR and FIR coefficients for fractional downsamplers (70 Words) */
+/* Tables with IIR and FIR coefficients for fractional downsamplers (90 Words) */
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_Resampler_3_4_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_FIR / 2 ] = {
- -18249, -12532,
- -97, 284, -495, 309, 10268, 20317,
- -94, 156, -48, -720, 5984, 18278,
- -45, -4, 237, -847, 2540, 14662,
+ -20253, -13986,
+ 86, 7, -151, 368, -542, 232, 11041, 21904,
+ 39, 90, -181, 216, -17, -877, 6408, 19695,
+ 2, 113, -108, 2, 314, -977, 2665, 15787,
};
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_Resampler_2_3_COEFS[ 2 + 2 * RESAMPLER_DOWN_ORDER_FIR / 2 ] = {
- -11891, -12486,
- 20, 211, -657, 688, 8423, 15911,
- -44, 197, -152, -653, 3855, 13015,
+ -13997, -14120,
+ 60, -174, 71, 298, -800, 659, 9238, 17461,
+ 48, -40, -150, 314, -155, -845, 4188, 14293,
};
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_Resampler_1_2_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR / 2 ] = {
- 2415, -13101,
- 158, -295, -400, 1265, 4832, 7968,
+ 1233, -14293,
+ -91, 162, 169, -342, -505, 1332, 5281, 8742,
};
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_Resampler_3_8_COEFS[ 2 + 3 * RESAMPLER_DOWN_ORDER_FIR / 2 ] = {
- 13270, -13738,
- -294, -123, 747, 2043, 3339, 3995,
- -151, -311, 414, 1583, 2947, 3877,
- -33, -389, 143, 1141, 2503, 3653,
+ 12634, -14550,
+ 246, -175, -326, -113, 764, 2209, 3664, 4402,
+ 171, 3, -301, -258, 391, 1693, 3227, 4272,
+ 88, 138, -236, -327, 95, 1203, 2733, 4022,
};
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_Resampler_1_3_COEFS[ 2 + RESAMPLER_DOWN_ORDER_FIR / 2 ] = {
- 16643, -14000,
- -331, 19, 581, 1421, 2290, 2845,
+ 16306, -14409,
+ 99, -201, -220, -16, 572, 1483, 2433, 3043,
};
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_Resampler_2_3_COEFS_LQ[ 2 + 2 * 2 ] = {
@@ -129,148 +122,148 @@
/* Table with interplation fractions of 1/288 : 2/288 : 287/288 (432 Words) */
SKP_DWORD_ALIGN const SKP_int16 SKP_Silk_resampler_frac_FIR_144[ 144 ][ RESAMPLER_ORDER_FIR_144 / 2 ] = {
- { -647, 1884, 30078},
- { -625, 1736, 30044},
- { -603, 1591, 30005},
- { -581, 1448, 29963},
- { -559, 1308, 29917},
- { -537, 1169, 29867},
- { -515, 1032, 29813},
- { -494, 898, 29755},
- { -473, 766, 29693},
- { -452, 636, 29627},
- { -431, 508, 29558},
- { -410, 383, 29484},
- { -390, 260, 29407},
- { -369, 139, 29327},
- { -349, 20, 29242},
- { -330, -97, 29154},
- { -310, -211, 29062},
- { -291, -324, 28967},
- { -271, -434, 28868},
- { -253, -542, 28765},
- { -234, -647, 28659},
- { -215, -751, 28550},
- { -197, -852, 28436},
- { -179, -951, 28320},
- { -162, -1048, 28200},
- { -144, -1143, 28077},
- { -127, -1235, 27950},
- { -110, -1326, 27820},
- { -94, -1414, 27687},
- { -77, -1500, 27550},
- { -61, -1584, 27410},
- { -45, -1665, 27268},
- { -30, -1745, 27122},
- { -15, -1822, 26972},
- { 0, -1897, 26820},
- { 15, -1970, 26665},
- { 29, -2041, 26507},
- { 44, -2110, 26346},
- { 57, -2177, 26182},
- { 71, -2242, 26015},
- { 84, -2305, 25845},
- { 97, -2365, 25673},
- { 110, -2424, 25498},
- { 122, -2480, 25320},
- { 134, -2534, 25140},
- { 146, -2587, 24956},
- { 157, -2637, 24771},
- { 168, -2685, 24583},
- { 179, -2732, 24392},
- { 190, -2776, 24199},
- { 200, -2819, 24003},
- { 210, -2859, 23805},
- { 220, -2898, 23605},
- { 229, -2934, 23403},
- { 238, -2969, 23198},
- { 247, -3002, 22992},
- { 255, -3033, 22783},
- { 263, -3062, 22572},
- { 271, -3089, 22359},
- { 279, -3114, 22144},
- { 286, -3138, 21927},
- { 293, -3160, 21709},
- { 300, -3180, 21488},
- { 306, -3198, 21266},
- { 312, -3215, 21042},
- { 318, -3229, 20816},
- { 323, -3242, 20589},
- { 328, -3254, 20360},
- { 333, -3263, 20130},
- { 338, -3272, 19898},
- { 342, -3278, 19665},
- { 346, -3283, 19430},
- { 350, -3286, 19194},
- { 353, -3288, 18957},
- { 356, -3288, 18718},
- { 359, -3286, 18478},
- { 362, -3283, 18238},
- { 364, -3279, 17996},
- { 366, -3273, 17753},
- { 368, -3266, 17509},
- { 369, -3257, 17264},
- { 371, -3247, 17018},
- { 372, -3235, 16772},
- { 372, -3222, 16525},
- { 373, -3208, 16277},
- { 373, -3192, 16028},
- { 373, -3175, 15779},
- { 373, -3157, 15529},
- { 372, -3138, 15279},
- { 371, -3117, 15028},
- { 370, -3095, 14777},
- { 369, -3072, 14526},
- { 368, -3048, 14274},
- { 366, -3022, 14022},
- { 364, -2996, 13770},
- { 362, -2968, 13517},
- { 359, -2940, 13265},
- { 357, -2910, 13012},
- { 354, -2880, 12760},
- { 351, -2848, 12508},
- { 348, -2815, 12255},
- { 344, -2782, 12003},
- { 341, -2747, 11751},
- { 337, -2712, 11500},
- { 333, -2676, 11248},
- { 328, -2639, 10997},
- { 324, -2601, 10747},
- { 320, -2562, 10497},
- { 315, -2523, 10247},
- { 310, -2482, 9998},
- { 305, -2442, 9750},
- { 300, -2400, 9502},
- { 294, -2358, 9255},
- { 289, -2315, 9009},
- { 283, -2271, 8763},
- { 277, -2227, 8519},
- { 271, -2182, 8275},
- { 265, -2137, 8032},
- { 259, -2091, 7791},
- { 252, -2045, 7550},
- { 246, -1998, 7311},
- { 239, -1951, 7072},
- { 232, -1904, 6835},
- { 226, -1856, 6599},
- { 219, -1807, 6364},
- { 212, -1758, 6131},
- { 204, -1709, 5899},
- { 197, -1660, 5668},
- { 190, -1611, 5439},
- { 183, -1561, 5212},
- { 175, -1511, 4986},
- { 168, -1460, 4761},
- { 160, -1410, 4538},
- { 152, -1359, 4317},
- { 145, -1309, 4098},
- { 137, -1258, 3880},
- { 129, -1207, 3664},
- { 121, -1156, 3450},
- { 113, -1105, 3238},
- { 105, -1054, 3028},
- { 97, -1003, 2820},
- { 89, -952, 2614},
- { 81, -901, 2409},
- { 73, -851, 2207},
+ { -25, 58, 32526},
+ { -8, -69, 32461},
+ { 8, -195, 32393},
+ { 25, -318, 32321},
+ { 41, -439, 32244},
+ { 57, -557, 32163},
+ { 72, -673, 32079},
+ { 88, -787, 31990},
+ { 103, -899, 31897},
+ { 118, -1009, 31801},
+ { 133, -1116, 31700},
+ { 148, -1221, 31596},
+ { 162, -1324, 31488},
+ { 177, -1424, 31376},
+ { 191, -1522, 31260},
+ { 205, -1618, 31140},
+ { 218, -1712, 31017},
+ { 231, -1803, 30890},
+ { 245, -1893, 30759},
+ { 257, -1980, 30625},
+ { 270, -2065, 30487},
+ { 282, -2147, 30346},
+ { 295, -2228, 30201},
+ { 306, -2306, 30052},
+ { 318, -2382, 29900},
+ { 330, -2456, 29745},
+ { 341, -2528, 29586},
+ { 352, -2597, 29424},
+ { 362, -2664, 29259},
+ { 373, -2730, 29090},
+ { 383, -2793, 28918},
+ { 393, -2854, 28743},
+ { 402, -2912, 28565},
+ { 411, -2969, 28384},
+ { 421, -3024, 28199},
+ { 429, -3076, 28012},
+ { 438, -3126, 27822},
+ { 446, -3175, 27628},
+ { 454, -3221, 27432},
+ { 462, -3265, 27233},
+ { 469, -3307, 27031},
+ { 476, -3348, 26826},
+ { 483, -3386, 26619},
+ { 490, -3422, 26409},
+ { 496, -3456, 26196},
+ { 502, -3488, 25981},
+ { 508, -3518, 25763},
+ { 514, -3547, 25543},
+ { 519, -3573, 25320},
+ { 524, -3597, 25095},
+ { 529, -3620, 24867},
+ { 533, -3640, 24637},
+ { 538, -3659, 24405},
+ { 541, -3676, 24171},
+ { 545, -3691, 23934},
+ { 548, -3704, 23696},
+ { 552, -3716, 23455},
+ { 554, -3726, 23212},
+ { 557, -3733, 22967},
+ { 559, -3740, 22721},
+ { 561, -3744, 22472},
+ { 563, -3747, 22222},
+ { 565, -3748, 21970},
+ { 566, -3747, 21716},
+ { 567, -3745, 21460},
+ { 568, -3741, 21203},
+ { 568, -3735, 20944},
+ { 568, -3728, 20684},
+ { 568, -3719, 20422},
+ { 568, -3708, 20159},
+ { 568, -3697, 19894},
+ { 567, -3683, 19628},
+ { 566, -3668, 19361},
+ { 564, -3652, 19093},
+ { 563, -3634, 18823},
+ { 561, -3614, 18552},
+ { 559, -3594, 18280},
+ { 557, -3571, 18008},
+ { 554, -3548, 17734},
+ { 552, -3523, 17459},
+ { 549, -3497, 17183},
+ { 546, -3469, 16907},
+ { 542, -3440, 16630},
+ { 539, -3410, 16352},
+ { 535, -3379, 16074},
+ { 531, -3346, 15794},
+ { 527, -3312, 15515},
+ { 522, -3277, 15235},
+ { 517, -3241, 14954},
+ { 513, -3203, 14673},
+ { 507, -3165, 14392},
+ { 502, -3125, 14110},
+ { 497, -3085, 13828},
+ { 491, -3043, 13546},
+ { 485, -3000, 13264},
+ { 479, -2957, 12982},
+ { 473, -2912, 12699},
+ { 466, -2867, 12417},
+ { 460, -2820, 12135},
+ { 453, -2772, 11853},
+ { 446, -2724, 11571},
+ { 439, -2675, 11289},
+ { 432, -2625, 11008},
+ { 424, -2574, 10727},
+ { 417, -2522, 10446},
+ { 409, -2470, 10166},
+ { 401, -2417, 9886},
+ { 393, -2363, 9607},
+ { 385, -2309, 9328},
+ { 376, -2253, 9050},
+ { 368, -2198, 8773},
+ { 359, -2141, 8497},
+ { 351, -2084, 8221},
+ { 342, -2026, 7946},
+ { 333, -1968, 7672},
+ { 324, -1910, 7399},
+ { 315, -1850, 7127},
+ { 305, -1791, 6856},
+ { 296, -1731, 6586},
+ { 286, -1670, 6317},
+ { 277, -1609, 6049},
+ { 267, -1548, 5783},
+ { 257, -1486, 5517},
+ { 247, -1424, 5254},
+ { 237, -1362, 4991},
+ { 227, -1300, 4730},
+ { 217, -1237, 4470},
+ { 207, -1174, 4212},
+ { 197, -1110, 3956},
+ { 187, -1047, 3701},
+ { 176, -984, 3448},
+ { 166, -920, 3196},
+ { 155, -856, 2946},
+ { 145, -792, 2698},
+ { 134, -728, 2452},
+ { 124, -664, 2207},
+ { 113, -600, 1965},
+ { 102, -536, 1724},
+ { 92, -472, 1486},
+ { 81, -408, 1249},
+ { 70, -345, 1015},
+ { 60, -281, 783},
+ { 49, -217, 553},
+ { 38, -154, 325},
};
--- a/src_SigProc_FIX/SKP_Silk_resampler_rom.h
+++ b/src_SigProc_FIX/SKP_Silk_resampler_rom.h
@@ -40,15 +40,15 @@
#ifndef _SKP_SILK_FIX_RESAMPLER_ROM_H_
#define _SKP_SILK_FIX_RESAMPLER_ROM_H_
-#include "SKP_Silk_typedef.h"
-#include "SKP_Silk_resampler_structs.h"
-
#ifdef __cplusplus
extern "C"
{
#endif
-#define RESAMPLER_DOWN_ORDER_FIR 12
+#include "SKP_Silk_typedef.h"
+#include "SKP_Silk_resampler_structs.h"
+
+#define RESAMPLER_DOWN_ORDER_FIR 16
#define RESAMPLER_ORDER_FIR_144 6
--- a/src_SigProc_FIX/SKP_Silk_resampler_structs.h
+++ b/src_SigProc_FIX/SKP_Silk_resampler_structs.h
@@ -37,6 +37,7 @@
#ifndef SKP_Silk_RESAMPLER_STRUCTS_H
#define SKP_Silk_RESAMPLER_STRUCTS_H
+
#ifdef __cplusplus
extern "C" {
#endif
--- a/src_SigProc_FIX/SKP_Silk_schur.c
+++ b/src_SigProc_FIX/SKP_Silk_schur.c
@@ -37,10 +37,10 @@
/* Faster than schur64(), but much less accurate. */
/* uses SMLAWB(), requiring armv5E and higher. */
-void SKP_Silk_schur(
- SKP_int16 *rc_Q15, /* O: reflection coefficients [order] Q15 */
- const SKP_int32 *c, /* I: correlations [order+1] */
- const SKP_int32 order /* I: prediction order */
+SKP_int32 SKP_Silk_schur( /* O: Returns residual energy */
+ SKP_int16 *rc_Q15, /* O: reflection coefficients [order] Q15 */
+ const SKP_int32 *c, /* I: correlations [order+1] */
+ const SKP_int32 order /* I: prediction order */
)
{
SKP_int k, n, lz;
@@ -60,7 +60,7 @@
/* Shift to the left */
lz -= 2;
for( k = 0; k < order + 1; k++ ) {
- C[ k ][ 0 ] = C[ k ][ 1 ] = SKP_LSHIFT( c[k], lz );
+ C[ k ][ 0 ] = C[ k ][ 1 ] = SKP_LSHIFT( c[ k ], lz );
}
} else {
/* No need to shift */
@@ -78,7 +78,7 @@
rc_tmp_Q15 = SKP_SAT16( rc_tmp_Q15 );
/* Store */
- rc_Q15[ k ] = (SKP_int16)rc_tmp_Q15;
+ rc_Q15[ k ] = ( SKP_int16 )rc_tmp_Q15;
/* Update correlations */
for( n = 0; n < order - k; n++ ) {
@@ -88,4 +88,7 @@
C[ n ][ 1 ] = SKP_SMLAWB( Ctmp2, SKP_LSHIFT( Ctmp1, 1 ), rc_tmp_Q15 );
}
}
+
+ /* return residual energy */
+ return C[ 0 ][ 1 ];
}
--- a/src_SigProc_FLP/SKP_Silk_NLSF_VQ_weights_laroia_FLP.c
+++ b/src_SigProc_FLP/SKP_Silk_NLSF_VQ_weights_laroia_FLP.c
@@ -33,7 +33,7 @@
Signal Processing, pp. 641-644, 1991.
*/
-#define MIN_NDELTA ( 1e-6f / PI )
+#define MIN_NDELTA 1e-4f
/* Laroia low complexity NLSF weights */
void SKP_Silk_NLSF_VQ_weights_laroia_FLP(
--- a/src_SigProc_FLP/SKP_Silk_SigProc_FLP.h
+++ b/src_SigProc_FLP/SKP_Silk_SigProc_FLP.h
@@ -25,6 +25,7 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
+
#ifndef _SKP_SILK_SIGPROC_FLP_H_
#define _SKP_SILK_SIGPROC_FLP_H_
@@ -83,10 +84,10 @@
SKP_int32 order /* I: prediction order */
);
-void SKP_Silk_schur_FLP(
- SKP_float refl_coef[], /* O reflection coefficients (length order) */
- const SKP_float auto_corr[], /* I autotcorreation sequence (length order+1) */
- SKP_int order /* I order */
+SKP_float SKP_Silk_schur_FLP( /* O returns residual energy */
+ SKP_float refl_coef[], /* O reflection coefficients (length order) */
+ const SKP_float auto_corr[], /* I autocorrelation sequence (length order+1) */
+ SKP_int order /* I order */
);
void SKP_Silk_k2a_FLP(
--- a/src_SigProc_FLP/SKP_Silk_k2a_FLP.c
+++ b/src_SigProc_FLP/SKP_Silk_k2a_FLP.c
@@ -44,7 +44,7 @@
)
{
SKP_int k, n;
- SKP_float Atmp[SKP_Silk_MAX_ORDER_LPC];
+ SKP_float Atmp[ SKP_Silk_MAX_ORDER_LPC ];
for( k = 0; k < order; k++ ){
for( n = 0; n < k; n++ ){
--- a/src_SigProc_FLP/SKP_Silk_pitch_analysis_core_FLP.c
+++ b/src_SigProc_FLP/SKP_Silk_pitch_analysis_core_FLP.c
@@ -102,12 +102,13 @@
SKP_float lag_log2, prevLag_log2, delta_lag_log2_sqr;
SKP_float energies_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ];
SKP_float cross_corr_st3[ PE_MAX_NB_SUBFR ][ PE_NB_CBKS_STAGE3_MAX ][ PE_NB_STAGE3_LAGS ];
- SKP_int diff, lag_counter, frame_length, frame_length_8kHz, frame_length_4kHz;
- SKP_int sf_length, sf_length_8kHz, sf_length_4kHz;
- SKP_int min_lag, min_lag_8kHz, min_lag_4kHz;
- SKP_int max_lag, max_lag_8kHz, max_lag_4kHz;
+ SKP_int diff, lag_counter;
+ SKP_int frame_length, frame_length_8kHz, frame_length_4kHz;
+ SKP_int sf_length, sf_length_8kHz, sf_length_4kHz;
+ SKP_int min_lag, min_lag_8kHz, min_lag_4kHz;
+ SKP_int max_lag, max_lag_8kHz, max_lag_4kHz;
+ SKP_int nb_cbk_search;
const SKP_int8 *Lag_CB_ptr;
- SKP_int nb_cbk_search;
/* Check for valid sampling frequency */
SKP_assert( Fs_kHz == 8 || Fs_kHz == 12 || Fs_kHz == 16 || Fs_kHz == 24 );
@@ -210,7 +211,7 @@
/* Calculate first vector products before loop */
cross_corr = SKP_Silk_inner_product_FLP( target_ptr, basis_ptr, sf_length_8kHz );
- normalizer = SKP_Silk_energy_FLP( basis_ptr, sf_length_8kHz ) + 1000.0f;
+ normalizer = SKP_Silk_energy_FLP( basis_ptr, sf_length_8kHz ) + sf_length_8kHz * 4000.0f;
C[ 0 ][ min_lag_4kHz ] += (SKP_float)(cross_corr / sqrt(normalizer));
@@ -234,14 +235,14 @@
target_ptr += sf_length_8kHz;
}
- /* apply short-lag bias */
+ /* Apply short-lag bias */
for( i = max_lag_4kHz; i >= min_lag_4kHz; i-- ) {
C[ 0 ][ i ] -= C[ 0 ][ i ] * i / 4096.0f;
}
/* Sort */
- length_d_srch = 5 + complexity;
- SKP_assert( length_d_srch <= PE_D_SRCH_LENGTH );
+ length_d_srch = 4 + 2 * complexity;
+ SKP_assert( 3 * length_d_srch <= PE_D_SRCH_LENGTH );
SKP_Silk_insertion_sort_decreasing_FLP( &C[ 0 ][ min_lag_4kHz ], d_srch, max_lag_4kHz - min_lag_4kHz + 1, length_d_srch );
/* Escape if correlation is very low already here */
@@ -253,7 +254,7 @@
}
threshold = Cmax * Cmax;
if( energy / 16.0f > threshold ) {
- SKP_memset( pitch_out, 0, nb_subfr * sizeof(SKP_int) );
+ SKP_memset( pitch_out, 0, nb_subfr * sizeof( SKP_int ) );
*LTPCorr = 0.0f;
*lagIndex = 0;
*contourIndex = 0;
@@ -372,7 +373,7 @@
} else {
nb_cbk_search = PE_NB_CBKS_STAGE2;
}
- }else{
+ } else {
cbk_size = PE_NB_CBKS_STAGE2_10MS;
Lag_CB_ptr = &SKP_Silk_CB_lags_stage2_10_ms[ 0 ][ 0 ];
nb_cbk_search = PE_NB_CBKS_STAGE2_10MS;
@@ -410,7 +411,10 @@
CCmax_new_b -= PE_FLP_PREVLAG_BIAS * nb_subfr * (*LTPCorr) * delta_lag_log2_sqr / (delta_lag_log2_sqr + 0.5f);
}
- if ( CCmax_new_b > CCmax_b && CCmax_new > nb_subfr * search_thres2 * search_thres2 ) {
+ if ( CCmax_new_b > CCmax_b && /* Find maximum biased correlation */
+ CCmax_new > nb_subfr * search_thres2 * search_thres2 && /* Correlation needs to be high enough to be voiced */
+ SKP_Silk_CB_lags_stage2[ 0 ][ CBimax_new ] <= min_lag_8kHz /* Lag must be in range */
+ ) {
CCmax_b = CCmax_new_b;
CCmax = CCmax_new;
lag = d;
@@ -488,7 +492,9 @@
CCmax_new = 0.0f;
}
- if( CCmax_new > CCmax ) {
+ if( CCmax_new > CCmax &&
+ ( d + (SKP_int)SKP_Silk_CB_lags_stage3[ 0 ][ j ] ) <= max_lag
+ ) {
CCmax = CCmax_new;
lag_new = d;
CBimax = j;
--- a/src_SigProc_FLP/SKP_Silk_schur_FLP.c
+++ b/src_SigProc_FLP/SKP_Silk_schur_FLP.c
@@ -36,36 +36,38 @@
#include "SKP_Silk_SigProc_FLP.h"
-void SKP_Silk_schur_FLP(
+SKP_float SKP_Silk_schur_FLP( /* O returns residual energy */
SKP_float refl_coef[], /* O reflection coefficients (length order) */
- const SKP_float auto_corr[], /* I autotcorreation sequence (length order+1) */
+ const SKP_float auto_corr[], /* I autotcorrelation sequence (length order+1) */
SKP_int order /* I order */
)
{
SKP_int k, n;
- SKP_float C[SKP_Silk_MAX_ORDER_LPC + 1][2];
+ SKP_float C[ SKP_Silk_MAX_ORDER_LPC + 1 ][ 2 ];
SKP_float Ctmp1, Ctmp2, rc_tmp;
- /* copy correlations */
- for( k = 0; k < order+1; k++ ){
- C[k][0] = C[k][1] = auto_corr[k];
+ /* Copy correlations */
+ for( k = 0; k < order+1; k++ ) {
+ C[ k ][ 0 ] = C[ k ][ 1 ] = auto_corr[ k ];
}
- for( k = 0; k < order; k++ )
- {
- /* get reflection coefficient */
- rc_tmp = -C[k + 1][0] / SKP_max_float(C[0][1], 1e-9f);
+ for( k = 0; k < order; k++ ) {
+ /* Get reflection coefficient */
+ rc_tmp = -C[ k + 1 ][ 0 ] / SKP_max_float( C[ 0 ][ 1 ], 1e-9f );
- /* save the output */
- refl_coef[k] = rc_tmp;
+ /* Save the output */
+ refl_coef[ k ] = rc_tmp;
- /* update correlations */
+ /* Update correlations */
for( n = 0; n < order - k; n++ ){
- Ctmp1 = C[n + k + 1][0];
- Ctmp2 = C[n][1];
- C[n + k + 1][0] = Ctmp1 + Ctmp2 * rc_tmp;
- C[n][1] = Ctmp2 + Ctmp1 * rc_tmp;
+ Ctmp1 = C[ n + k + 1 ][ 0 ];
+ Ctmp2 = C[ n ][ 1 ];
+ C[ n + k + 1 ][ 0 ] = Ctmp1 + Ctmp2 * rc_tmp;
+ C[ n ][ 1 ] = Ctmp2 + Ctmp1 * rc_tmp;
}
}
+
+ /* Return residual energy */
+ return C[ 0 ][ 1 ];
}
--- a/src_SigProc_FLP/SKP_Silk_sort_FLP.c
+++ b/src_SigProc_FLP/SKP_Silk_sort_FLP.c
@@ -28,9 +28,6 @@
/* Insertion sort (fast for already almost sorted arrays): */
/* Best case: O(n) for an already sorted array */
/* Worst case: O(n^2) for an inversely sorted array */
-/* */
-/* To be implemented: */
-/* Shell short: http://en.wikipedia.org/wiki/Shell_sort */
#include "SKP_Silk_typedef.h"
#include "SKP_Silk_SigProc_FLP.h"
--- a/src_common/SKP_Silk_NLSF2A_stable.c
+++ b/src_common/SKP_Silk_NLSF2A_stable.c
@@ -42,7 +42,7 @@
/* Ensure stable LPCs */
for( i = 0; i < MAX_LPC_STABILIZE_ITERATIONS; i++ ) {
if( SKP_Silk_LPC_inverse_pred_gain( &invGain_Q30, pAR_Q12, LPC_order ) == 1 ) {
- SKP_Silk_bwexpander( pAR_Q12, LPC_order, 65536 - SKP_SMULBB( 66, i ) ); /* 66_Q16 = 0.001 */
+ SKP_Silk_bwexpander( pAR_Q12, LPC_order, 65536 - SKP_SMULBB( 10 + i, i ) ); /* 10_Q16 = 0.00015 */
} else {
break;
}
--- a/src_common/SKP_Silk_NLSF_MSVQ_decode.c
+++ b/src_common/SKP_Silk_NLSF_MSVQ_decode.c
@@ -35,19 +35,20 @@
const SKP_int LPC_order /* I LPC order used */
)
{
- const SKP_int16 *pCB_element;
- SKP_int s;
- SKP_int i;
+ const SKP_int8 *pCB_element;
+ SKP_int s;
+ SKP_int i;
+ SKP_int pNLSF_Q8[ MAX_LPC_ORDER ];
/* Check that each index is within valid range */
SKP_assert( 0 <= NLSFIndices[ 0 ] && NLSFIndices[ 0 ] < psNLSF_CB->CBStages[ 0 ].nVectors );
/* Point to the first vector element */
- pCB_element = &psNLSF_CB->CBStages[ 0 ].CB_NLSF_Q15[ SKP_MUL( NLSFIndices[ 0 ], LPC_order ) ];
+ pCB_element = &psNLSF_CB->CBStages[ 0 ].CB_NLSF_Q8[ SKP_MUL( NLSFIndices[ 0 ], LPC_order ) ];
/* Initialize with the codebook vector from stage 0 */
for( i = 0; i < LPC_order; i++ ) {
- pNLSF_Q15[ i ] = ( SKP_int )pCB_element[ i ];
+ pNLSF_Q8[ i ] = ( SKP_int )pCB_element[ i ];
}
for( s = 1; s < psNLSF_CB->nStages; s++ ) {
@@ -56,34 +57,39 @@
if( LPC_order == 16 ) {
/* Point to the first vector element */
- pCB_element = &psNLSF_CB->CBStages[ s ].CB_NLSF_Q15[ SKP_LSHIFT( NLSFIndices[ s ], 4 ) ];
+ pCB_element = &psNLSF_CB->CBStages[ s ].CB_NLSF_Q8[ SKP_LSHIFT( NLSFIndices[ s ], 4 ) ];
/* Add the codebook vector from the current stage */
- pNLSF_Q15[ 0 ] += pCB_element[ 0 ];
- pNLSF_Q15[ 1 ] += pCB_element[ 1 ];
- pNLSF_Q15[ 2 ] += pCB_element[ 2 ];
- pNLSF_Q15[ 3 ] += pCB_element[ 3 ];
- pNLSF_Q15[ 4 ] += pCB_element[ 4 ];
- pNLSF_Q15[ 5 ] += pCB_element[ 5 ];
- pNLSF_Q15[ 6 ] += pCB_element[ 6 ];
- pNLSF_Q15[ 7 ] += pCB_element[ 7 ];
- pNLSF_Q15[ 8 ] += pCB_element[ 8 ];
- pNLSF_Q15[ 9 ] += pCB_element[ 9 ];
- pNLSF_Q15[ 10 ] += pCB_element[ 10 ];
- pNLSF_Q15[ 11 ] += pCB_element[ 11 ];
- pNLSF_Q15[ 12 ] += pCB_element[ 12 ];
- pNLSF_Q15[ 13 ] += pCB_element[ 13 ];
- pNLSF_Q15[ 14 ] += pCB_element[ 14 ];
- pNLSF_Q15[ 15 ] += pCB_element[ 15 ];
+ pNLSF_Q8[ 0 ] += ( SKP_int )pCB_element[ 0 ];
+ pNLSF_Q8[ 1 ] += ( SKP_int )pCB_element[ 1 ];
+ pNLSF_Q8[ 2 ] += ( SKP_int )pCB_element[ 2 ];
+ pNLSF_Q8[ 3 ] += ( SKP_int )pCB_element[ 3 ];
+ pNLSF_Q8[ 4 ] += ( SKP_int )pCB_element[ 4 ];
+ pNLSF_Q8[ 5 ] += ( SKP_int )pCB_element[ 5 ];
+ pNLSF_Q8[ 6 ] += ( SKP_int )pCB_element[ 6 ];
+ pNLSF_Q8[ 7 ] += ( SKP_int )pCB_element[ 7 ];
+ pNLSF_Q8[ 8 ] += ( SKP_int )pCB_element[ 8 ];
+ pNLSF_Q8[ 9 ] += ( SKP_int )pCB_element[ 9 ];
+ pNLSF_Q8[ 10 ] += ( SKP_int )pCB_element[ 10 ];
+ pNLSF_Q8[ 11 ] += ( SKP_int )pCB_element[ 11 ];
+ pNLSF_Q8[ 12 ] += ( SKP_int )pCB_element[ 12 ];
+ pNLSF_Q8[ 13 ] += ( SKP_int )pCB_element[ 13 ];
+ pNLSF_Q8[ 14 ] += ( SKP_int )pCB_element[ 14 ];
+ pNLSF_Q8[ 15 ] += ( SKP_int )pCB_element[ 15 ];
} else {
/* Point to the first vector element */
- pCB_element = &psNLSF_CB->CBStages[ s ].CB_NLSF_Q15[ SKP_SMULBB( NLSFIndices[ s ], LPC_order ) ];
+ pCB_element = &psNLSF_CB->CBStages[ s ].CB_NLSF_Q8[ SKP_SMULBB( NLSFIndices[ s ], LPC_order ) ];
/* Add the codebook vector from the current stage */
for( i = 0; i < LPC_order; i++ ) {
- pNLSF_Q15[ i ] += pCB_element[ i ];
+ pNLSF_Q8[ i ] += ( SKP_int )pCB_element[ i ];
}
}
+ }
+
+ /* Add 1/2 in Q15 */
+ for( i = 0; i < LPC_order; i++ ) {
+ pNLSF_Q15[ i ] = SKP_LSHIFT16( pNLSF_Q8[ i ], 7 ) + SKP_FIX_CONST( 0.5f, 15 );
}
/* NLSF stabilization */
--- a/src_common/SKP_Silk_NSQ.c
+++ b/src_common/SKP_Silk_NSQ.c
@@ -28,11 +28,12 @@
#include "SKP_Silk_main.h"
SKP_INLINE void SKP_Silk_nsq_scale_states(
+ SKP_Silk_encoder_state *psEncC, /* I/O Encoder State */
SKP_Silk_nsq_state *NSQ, /* I/O NSQ state */
const SKP_int16 x[], /* I input in Q0 */
SKP_int32 x_sc_Q10[], /* O input scaled with 1/Gain */
- SKP_int length, /* I length of input */
- SKP_int16 sLTP[], /* I re-whitened LTP state in Q0 */
+ SKP_int subfr_length, /* I length of input */
+ const SKP_int16 sLTP[], /* I re-whitened LTP state in Q0 */
SKP_int32 sLTP_Q16[], /* O LTP state matching scaled input */
SKP_int subfr, /* I subframe number */
const SKP_int LTP_scale_Q14, /* I */
@@ -59,8 +60,7 @@
SKP_int offset_Q10, /* I */
SKP_int length, /* I Input length */
SKP_int shapingLPCOrder, /* I Noise shaping AR filter order */
- SKP_int predictLPCOrder, /* I Prediction filter order */
- SKP_int32 warping_Q16 /* I */
+ SKP_int predictLPCOrder /* I Prediction filter order */
#ifdef SAVE_ALL_INTERNAL_DATA
,SKP_float q_in_env[], /* O */
SKP_float q_exc[], /* O */
@@ -116,6 +116,8 @@
/* Set unvoiced lag to the previous one, overwrite later for voiced */
lag = NSQ->lagPrev;
+ SKP_assert( NSQ->prev_inv_gain_Q16 != 0 );
+
offset_Q10 = SKP_Silk_Quantization_Offsets_Q10[ psEncCtrlC->sigtype ][ psEncCtrlC->QuantOffsetType ];
if( LSFInterpFactor_Q2 == ( 1 << 2 ) ) {
@@ -135,20 +137,20 @@
/* Noise shape parameters */
SKP_assert( HarmShapeGain_Q14[ k ] >= 0 );
- HarmShapeFIRPacked_Q14 = SKP_RSHIFT( HarmShapeGain_Q14[ k ], 2 );
+ HarmShapeFIRPacked_Q14 = SKP_RSHIFT( HarmShapeGain_Q14[ k ], 2 );
HarmShapeFIRPacked_Q14 |= SKP_LSHIFT( ( SKP_int32 )SKP_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 );
+ NSQ->rewhite_flag = 0;
if( psEncCtrlC->sigtype == SIG_TYPE_VOICED ) {
/* Voiced */
lag = psEncCtrlC->pitchL[ k ];
- NSQ->rewhite_flag = 0;
/* Re-whitening */
if( ( k & ( 3 - SKP_LSHIFT( LSF_interpolation_flag, 1 ) ) ) == 0 ) {
- /* Rewhiten with new A coefs */
-
+
+ /* Rewhiten with new A coefs */
start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2;
- start_idx = SKP_LIMIT_int( start_idx, 0, psEncC->ltp_mem_length - psEncC->predictLPCOrder ); /* Limit */
+ SKP_assert( start_idx > 0 );
SKP_memset( FiltState, 0, psEncC->predictLPCOrder * sizeof( SKP_int32 ) );
SKP_Silk_MA_Prediction( &NSQ->xq[ start_idx + k * psEncC->subfr_length ],
@@ -159,12 +161,12 @@
}
}
- SKP_Silk_nsq_scale_states( NSQ, x, x_sc_Q10, psEncC->subfr_length, sLTP,
+ SKP_Silk_nsq_scale_states( psEncC, NSQ, x, x_sc_Q10, psEncC->subfr_length, sLTP,
sLTP_Q16, k, LTP_scale_Q14, Gains_Q16, psEncCtrlC->pitchL );
SKP_Silk_noise_shape_quantizer( NSQ, psEncCtrlC->sigtype, x_sc_Q10, q, pxq, sLTP_Q16, A_Q12, B_Q14,
AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ], Lambda_Q10,
- offset_Q10, psEncC->subfr_length, psEncC->shapingLPCOrder, psEncC->predictLPCOrder, psEncCtrlC->warping_Q16
+ offset_Q10, psEncC->subfr_length, psEncC->shapingLPCOrder, psEncC->predictLPCOrder
#ifdef SAVE_ALL_INTERNAL_DATA
, q_in_env, q_exc, q_LPC_exc, q_exc_prev
#endif
@@ -183,6 +185,7 @@
/* Update lagPrev for next frame */
NSQ->lagPrev = psEncCtrlC->pitchL[ psEncC->nb_subfr - 1 ];
+
/* Save quantized speech and noise shaping signals */
SKP_memcpy( NSQ->xq, &NSQ->xq[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( SKP_int16 ) );
SKP_memcpy( NSQ->sLTP_shp_Q10, &NSQ->sLTP_shp_Q10[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( SKP_int32 ) );
@@ -191,7 +194,7 @@
DEBUG_STORE_DATA( q_in_env.dat, q_in_env_buf, psEncC->frame_length * sizeof( SKP_float ) );
DEBUG_STORE_DATA( q_exc.dat, q_exc_buf, psEncC->frame_length * sizeof( SKP_float ) );
DEBUG_STORE_DATA( q_lpc_exc.dat, q_LPC_exc_buf, psEncC->frame_length * sizeof( SKP_float ) );
- DEBUG_STORE_DATA( xq.dat, &NSQ->xq[ psEncC->ltp_mem_length - psEncC->frame_length ], psEncC->frame_length * sizeof( SKP_int16 ) );
+ DEBUG_STORE_DATA( xq.dat, NSQ->xq, psEncC->frame_length * sizeof( SKP_int16 ) );
DEBUG_STORE_DATA( q.dat, &q[ -psEncC->frame_length ], psEncC->frame_length * sizeof( SKP_int8 ) );
#endif
}
@@ -218,8 +221,7 @@
SKP_int offset_Q10, /* I */
SKP_int length, /* I Input length */
SKP_int shapingLPCOrder, /* I Noise shaping AR filter order */
- SKP_int predictLPCOrder, /* I Prediction filter order */
- SKP_int warping_Q16 /* I */
+ SKP_int predictLPCOrder /* I Prediction filter order */
#ifdef SAVE_ALL_INTERNAL_DATA
,SKP_float q_in_env[], /* O */
SKP_float q_exc[], /* O */
@@ -240,13 +242,13 @@
pred_lag_ptr = &sLTP_Q16[ NSQ->sLTP_buf_idx - lag + LTP_ORDER / 2 ];
/* Setup short term AR state */
- psLPC_Q14 = &NSQ->sLPC_Q14[ MAX_LPC_ORDER - 1 ];
+ psLPC_Q14 = &NSQ->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - 1 ];
/* Quantization thresholds */
- thr1_Q10 = SKP_SUB_RSHIFT32( -1536, Lambda_Q10, 1);
- thr2_Q10 = SKP_SUB_RSHIFT32( -512, Lambda_Q10, 1);
+ thr1_Q10 = SKP_SUB_RSHIFT32( -1536, Lambda_Q10, 1 );
+ thr2_Q10 = SKP_SUB_RSHIFT32( -512, Lambda_Q10, 1 );
thr2_Q10 = SKP_ADD_RSHIFT32( thr2_Q10, SKP_SMULBB( offset_Q10, Lambda_Q10 ), 10 );
- thr3_Q10 = SKP_ADD_RSHIFT32( 512, Lambda_Q10, 1);
+ thr3_Q10 = SKP_ADD_RSHIFT32( 512, Lambda_Q10, 1 );
for( i = 0; i < length; i++ ) {
/* Generate dither */
@@ -271,7 +273,6 @@
LPC_pred_Q10 = SKP_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -7 ], a_Q12[ 7 ] );
LPC_pred_Q10 = SKP_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -8 ], a_Q12[ 8 ] );
LPC_pred_Q10 = SKP_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -9 ], a_Q12[ 9 ] );
-
for( j = 10; j < predictLPCOrder; j ++ ) {
LPC_pred_Q10 = SKP_SMLAWB( LPC_pred_Q10, psLPC_Q14[ -j ], a_Q12[ j ] );
}
@@ -291,20 +292,15 @@
/* Noise shape feedback */
SKP_assert( ( shapingLPCOrder & 1 ) == 0 ); /* check that order is even */
- /* Output of lowpass section */
- tmp2 = SKP_SMLAWB( psLPC_Q14[ 0 ], NSQ->sAR2_Q14[ 0 ], warping_Q16 );
- /* Output of allpass section */
- tmp1 = SKP_SMLAWB( NSQ->sAR2_Q14[ 0 ], NSQ->sAR2_Q14[ 1 ] - tmp2, warping_Q16 );
+ tmp2 = psLPC_Q14[ 0 ];
+ tmp1 = NSQ->sAR2_Q14[ 0 ];
NSQ->sAR2_Q14[ 0 ] = tmp2;
n_AR_Q10 = SKP_SMULWB( tmp2, AR_shp_Q13[ 0 ] );
- /* Loop over allpass sections */
for( j = 2; j < shapingLPCOrder; j += 2 ) {
- /* Output of allpass section */
- tmp2 = SKP_SMLAWB( NSQ->sAR2_Q14[ j - 1 ], NSQ->sAR2_Q14[ j + 0 ] - tmp1, warping_Q16 );
+ tmp2 = NSQ->sAR2_Q14[ j - 1 ];
NSQ->sAR2_Q14[ j - 1 ] = tmp1;
n_AR_Q10 = SKP_SMLAWB( n_AR_Q10, tmp1, AR_shp_Q13[ j - 1 ] );
- /* Output of allpass section */
- tmp1 = SKP_SMLAWB( NSQ->sAR2_Q14[ j + 0 ], NSQ->sAR2_Q14[ j + 1 ] - tmp2, warping_Q16 );
+ tmp1 = NSQ->sAR2_Q14[ j + 0 ];
NSQ->sAR2_Q14[ j + 0 ] = tmp2;
n_AR_Q10 = SKP_SMLAWB( n_AR_Q10, tmp2, AR_shp_Q13[ j ] );
}
@@ -324,8 +320,8 @@
/* Symmetric, packed FIR coefficients */
n_LTP_Q14 = SKP_SMULWB( SKP_ADD32( shp_lag_ptr[ 0 ], shp_lag_ptr[ -2 ] ), HarmShapeFIRPacked_Q14 );
n_LTP_Q14 = SKP_SMLAWT( n_LTP_Q14, shp_lag_ptr[ -1 ], HarmShapeFIRPacked_Q14 );
- shp_lag_ptr++;
n_LTP_Q14 = SKP_LSHIFT( n_LTP_Q14, 6 );
+ shp_lag_ptr++;
} else {
n_LTP_Q14 = 0;
}
@@ -345,18 +341,21 @@
r_Q10 = SKP_LIMIT_32( r_Q10, -64 << 10, 64 << 10 );
/* Quantize */
- if( r_Q10 < thr1_Q10 ) {
- q_Q0 = SKP_RSHIFT_ROUND( SKP_ADD_RSHIFT32( r_Q10, Lambda_Q10, 1 ), 10 );
- q_Q10 = SKP_LSHIFT( q_Q0, 10 );
- } else if( r_Q10 < thr2_Q10 ) {
- q_Q0 = -1;
- q_Q10 = -1024;
- } else if( r_Q10 > thr3_Q10 ) {
- q_Q0 = SKP_RSHIFT_ROUND( SKP_SUB_RSHIFT32( r_Q10, Lambda_Q10, 1 ), 10 );
- q_Q10 = SKP_LSHIFT( q_Q0, 10 );
+ q_Q0 = 0;
+ q_Q10 = 0;
+ if( r_Q10 < thr2_Q10 ) {
+ if( r_Q10 < thr1_Q10 ) {
+ q_Q0 = SKP_RSHIFT_ROUND( SKP_ADD_RSHIFT32( r_Q10, Lambda_Q10, 1 ), 10 );
+ q_Q10 = SKP_LSHIFT( q_Q0, 10 );
+ } else {
+ q_Q0 = -1;
+ q_Q10 = -1024;
+ }
} else {
- q_Q0 = 0;
- q_Q10 = 0;
+ if( r_Q10 > thr3_Q10 ) {
+ q_Q0 = SKP_RSHIFT_ROUND( SKP_SUB_RSHIFT32( r_Q10, Lambda_Q10, 1 ), 10 );
+ q_Q10 = SKP_LSHIFT( q_Q0, 10 );
+ }
}
q[ i ] = ( SKP_int8 )q_Q0; /* No saturation needed because max is 64 */
@@ -391,24 +390,26 @@
/* Make dither dependent on quantized signal */
NSQ->rand_seed += q[ i ];
}
+
/* Update LPC synth buffer */
- SKP_memcpy( NSQ->sLPC_Q14, &NSQ->sLPC_Q14[ length ], MAX_LPC_ORDER * sizeof( SKP_int32 ) );
+ SKP_memcpy( NSQ->sLPC_Q14, &NSQ->sLPC_Q14[ length ], NSQ_LPC_BUF_LENGTH * sizeof( SKP_int32 ) );
}
SKP_INLINE void SKP_Silk_nsq_scale_states(
+ SKP_Silk_encoder_state *psEncC, /* I/O Encoder State */
SKP_Silk_nsq_state *NSQ, /* I/O NSQ state */
const SKP_int16 x[], /* I input in Q0 */
SKP_int32 x_sc_Q10[], /* O input scaled with 1/Gain */
- SKP_int length, /* I length of input */
- SKP_int16 sLTP[], /* I re-whitened LTP state in Q0 */
+ SKP_int subfr_length, /* I length of input */
+ const SKP_int16 sLTP[], /* I re-whitened LTP state in Q0 */
SKP_int32 sLTP_Q16[], /* O LTP state matching scaled input */
SKP_int subfr, /* I subframe number */
const SKP_int LTP_scale_Q14, /* I */
- const SKP_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */
- const SKP_int pitchL[ MAX_NB_SUBFR ] /* I */
+ const SKP_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */
+ const SKP_int pitchL[ MAX_NB_SUBFR ] /* I */
)
{
- SKP_int i, scale_length, lag;
+ SKP_int i, lag;
SKP_int32 inv_gain_Q16, gain_adj_Q16, inv_gain_Q32;
inv_gain_Q16 = SKP_INVERSE32_varQ( SKP_max( Gains_Q16[ subfr ], 1 ), 32 );
@@ -415,7 +416,7 @@
inv_gain_Q16 = SKP_min( inv_gain_Q16, SKP_int16_MAX );
lag = pitchL[ subfr ];
- /* After rewhitening the LTP state is un-scaled */
+ /* After rewhitening the LTP state is un-scaled, so scale with inv_gain_Q16 */
if( NSQ->rewhite_flag ) {
inv_gain_Q32 = SKP_LSHIFT( inv_gain_Q16, 16 );
if( subfr == 0 ) {
@@ -423,33 +424,31 @@
inv_gain_Q32 = SKP_LSHIFT( SKP_SMULWB( inv_gain_Q32, LTP_scale_Q14 ), 2 );
}
for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) {
+ SKP_assert( i < MAX_FRAME_LENGTH );
sLTP_Q16[ i ] = SKP_SMULWB( inv_gain_Q32, sLTP[ i ] );
}
}
- /* Prepare for Worst case. Next frame starts with max lag voiced */
- scale_length = length * MAX_NB_SUBFR; /* approx max lag */
- scale_length = scale_length - SKP_SMULBB( MAX_NB_SUBFR - (subfr + 1), length ); /* subtract samples that will be too old in next frame */
- scale_length = SKP_max_int( scale_length, lag + LTP_ORDER ); /* make sure to scale whole pitch period if voiced */
-
/* Adjust for changing gain */
if( inv_gain_Q16 != NSQ->prev_inv_gain_Q16 ) {
- gain_adj_Q16 = SKP_DIV32_varQ( inv_gain_Q16, NSQ->prev_inv_gain_Q16, 16 );
+ gain_adj_Q16 = SKP_DIV32_varQ( inv_gain_Q16, NSQ->prev_inv_gain_Q16, 16 );
- for( i = NSQ->sLTP_shp_buf_idx - scale_length; i < NSQ->sLTP_shp_buf_idx; i++ ) {
+ /* Scale long-term shaping state */
+ for( i = NSQ->sLTP_shp_buf_idx - subfr_length * psEncC->nb_subfr; i < NSQ->sLTP_shp_buf_idx; i++ ) {
NSQ->sLTP_shp_Q10[ i ] = SKP_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q10[ i ] );
}
- /* Scale LTP predict state */
+ /* Scale long-term prediction state */
if( NSQ->rewhite_flag == 0 ) {
for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) {
sLTP_Q16[ i ] = SKP_SMULWW( gain_adj_Q16, sLTP_Q16[ i ] );
}
}
+
NSQ->sLF_AR_shp_Q12 = SKP_SMULWW( gain_adj_Q16, NSQ->sLF_AR_shp_Q12 );
- /* scale short term state */
- for( i = 0; i < MAX_LPC_ORDER; i++ ) {
+ /* Scale short-term prediction and shaping states */
+ for( i = 0; i < NSQ_LPC_BUF_LENGTH; i++ ) {
NSQ->sLPC_Q14[ i ] = SKP_SMULWW( gain_adj_Q16, NSQ->sLPC_Q14[ i ] );
}
for( i = 0; i < MAX_SHAPE_LPC_ORDER; i++ ) {
@@ -458,7 +457,7 @@
}
/* Scale input */
- for( i = 0; i < length; i++ ) {
+ for( i = 0; i < subfr_length; i++ ) {
x_sc_Q10[ i ] = SKP_RSHIFT( SKP_SMULBB( x[ i ], ( SKP_int16 )inv_gain_Q16 ), 6 );
}
@@ -465,4 +464,4 @@
/* save inv_gain */
SKP_assert( inv_gain_Q16 != 0 );
NSQ->prev_inv_gain_Q16 = inv_gain_Q16;
-}
\ No newline at end of file
+}
--- a/src_common/SKP_Silk_NSQ_del_dec.c
+++ b/src_common/SKP_Silk_NSQ_del_dec.c
@@ -58,12 +58,13 @@
);
SKP_INLINE void SKP_Silk_nsq_del_dec_scale_states(
+ SKP_Silk_encoder_state *psEncC, /* I/O Encoder State */
SKP_Silk_nsq_state *NSQ, /* I/O NSQ state */
NSQ_del_dec_struct psDelDec[], /* I/O Delayed decision states */
const SKP_int16 x[], /* I Input in Q0 */
SKP_int32 x_sc_Q10[], /* O Input scaled with 1/Gain in Q10 */
- SKP_int length, /* I Length of input */
- SKP_int16 sLTP[], /* I Re-whitened LTP state in Q0 */
+ SKP_int subfr_length, /* I Length of input */
+ const SKP_int16 sLTP[], /* I Re-whitened LTP state in Q0 */
SKP_int32 sLTP_Q16[], /* O LTP state matching scaled input */
SKP_int subfr, /* I Subframe number */
SKP_int nStatesDelayedDecision, /* I Number of del dec states */
@@ -159,11 +160,16 @@
smpl_buf_idx = 0; /* index of oldest samples */
decisionDelay = SKP_min_int( DECISION_DELAY, subfr_length );
+
/* For voiced frames limit the decision delay to lower than the pitch lag */
if( psEncCtrlC->sigtype == SIG_TYPE_VOICED ) {
for( k = 0; k < psEncC->nb_subfr; k++ ) {
decisionDelay = SKP_min_int( decisionDelay, psEncCtrlC->pitchL[ k ] - LTP_ORDER / 2 - 1 );
}
+ } else {
+ if( lag > 0 ) {
+ decisionDelay = SKP_min_int( decisionDelay, lag - LTP_ORDER / 2 - 1 );
+ }
}
if( LSFInterpFactor_Q2 == ( 1 << 2 ) ) {
@@ -182,6 +188,11 @@
B_Q14 = <PCoef_Q14[ k * LTP_ORDER ];
AR_shp_Q13 = &AR2_Q13[ k * MAX_SHAPE_LPC_ORDER ];
+ /* Noise shape parameters */
+ SKP_assert( HarmShapeGain_Q14[ k ] >= 0 );
+ HarmShapeFIRPacked_Q14 = SKP_RSHIFT( HarmShapeGain_Q14[ k ], 2 );
+ HarmShapeFIRPacked_Q14 |= SKP_LSHIFT( ( SKP_int32 )SKP_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 );
+
NSQ->rewhite_flag = 0;
if( psEncCtrlC->sigtype == SIG_TYPE_VOICED ) {
/* Voiced */
@@ -212,7 +223,7 @@
last_smple_idx = smpl_buf_idx + decisionDelay;
for( i = 0; i < decisionDelay; i++ ) {
last_smple_idx = ( last_smple_idx - 1 ) & DECISION_DELAY_MASK;
- q[ i - decisionDelay ] = ( SKP_int )SKP_RSHIFT( psDD->Q_Q10[ last_smple_idx ], 10 );
+ q[ i - decisionDelay ] = ( SKP_int8 )SKP_RSHIFT( psDD->Q_Q10[ last_smple_idx ], 10 );
pxq[ i - decisionDelay ] = ( SKP_int16 )SKP_SAT16( SKP_RSHIFT_ROUND(
SKP_SMULWW( psDD->Xq_Q10[ last_smple_idx ],
psDD->Gain_Q16[ last_smple_idx ] ), 10 ) );
@@ -224,7 +235,7 @@
/* Rewhiten with new A coefs */
start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2;
- start_idx = SKP_LIMIT_int( start_idx, 0, psEncC->ltp_mem_length - psEncC->predictLPCOrder );
+ SKP_assert( start_idx > 0 );
SKP_memset( FiltState, 0, psEncC->predictLPCOrder * sizeof( SKP_int32 ) );
SKP_Silk_MA_Prediction( &NSQ->xq[ start_idx + k * psEncC->subfr_length ],
@@ -235,12 +246,7 @@
}
}
- /* Noise shape parameters */
- SKP_assert( HarmShapeGain_Q14[ k ] >= 0 );
- HarmShapeFIRPacked_Q14 = SKP_RSHIFT( HarmShapeGain_Q14[ k ], 2 );
- HarmShapeFIRPacked_Q14 |= SKP_LSHIFT( ( SKP_int32 )SKP_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 );
-
- SKP_Silk_nsq_del_dec_scale_states( NSQ, psDelDec, x, x_sc_Q10,
+ SKP_Silk_nsq_del_dec_scale_states( psEncC, NSQ, psDelDec, x, x_sc_Q10,
subfr_length, sLTP, sLTP_Q16, k, psEncC->nStatesDelayedDecision, smpl_buf_idx,
LTP_scale_Q14, Gains_Q16, psEncCtrlC->pitchL );
@@ -247,7 +253,7 @@
SKP_Silk_noise_shape_quantizer_del_dec( NSQ, psDelDec, psEncCtrlC->sigtype, x_sc_Q10, q, pxq, sLTP_Q16,
A_Q12, B_Q14, AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ],
Lambda_Q10, offset_Q10, psEncC->subfr_length, subfr++, psEncC->shapingLPCOrder, psEncC->predictLPCOrder,
- psEncCtrlC->warping_Q16, psEncC->nStatesDelayedDecision, &smpl_buf_idx, decisionDelay );
+ psEncC->warping_Q16, psEncC->nStatesDelayedDecision, &smpl_buf_idx, decisionDelay );
x += psEncC->subfr_length;
q += psEncC->subfr_length;
@@ -280,8 +286,8 @@
SKP_memcpy( NSQ->sAR2_Q14, psDD->sAR2_Q14, sizeof( psDD->sAR2_Q14 ) );
/* Update states */
- NSQ->sLF_AR_shp_Q12 = psDD->LF_AR_Q12;
- NSQ->lagPrev = psEncCtrlC->pitchL[ psEncC->nb_subfr - 1 ];
+ NSQ->sLF_AR_shp_Q12 = psDD->LF_AR_Q12;
+ NSQ->lagPrev = psEncCtrlC->pitchL[ psEncC->nb_subfr - 1 ];
/* Save quantized speech and noise shaping signals */
SKP_memmove( NSQ->xq, &NSQ->xq[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( SKP_int16 ) );
@@ -289,7 +295,7 @@
#ifdef SAVE_ALL_INTERNAL_DATA
DEBUG_STORE_DATA( sLTP_Q16, &sLTP_Q16[ psEncC->frame_length ], psEncC->frame_length * sizeof( SKP_int32 ) );
- DEBUG_STORE_DATA( xq.dat, &NSQ->xq[ psEncC->ltp_mem_length - psEncC->frame_length], psEncC->frame_length * sizeof( SKP_int16 ) );
+ DEBUG_STORE_DATA( xq.dat, NSQ->xq, psEncC->frame_length * sizeof( SKP_int16 ) );
#endif
}
@@ -595,12 +601,13 @@
}
SKP_INLINE void SKP_Silk_nsq_del_dec_scale_states(
+ SKP_Silk_encoder_state *psEncC, /* I/O Encoder State */
SKP_Silk_nsq_state *NSQ, /* I/O NSQ state */
NSQ_del_dec_struct psDelDec[], /* I/O Delayed decision states */
const SKP_int16 x[], /* I Input in Q0 */
SKP_int32 x_sc_Q10[], /* O Input scaled with 1/Gain in Q10 */
- SKP_int length, /* I Length of input */
- SKP_int16 sLTP[], /* I Re-whitened LTP state in Q0 */
+ SKP_int subfr_length, /* I Length of input */
+ const SKP_int16 sLTP[], /* I Re-whitened LTP state in Q0 */
SKP_int32 sLTP_Q16[], /* O LTP state matching scaled input */
SKP_int subfr, /* I Subframe number */
SKP_int nStatesDelayedDecision, /* I Number of del dec states */
@@ -610,7 +617,7 @@
const SKP_int pitchL[ MAX_NB_SUBFR ] /* I Pitch lag */
)
{
- SKP_int i, k, scale_length, lag;
+ SKP_int i, k, lag;
SKP_int32 inv_gain_Q16, gain_adj_Q16, inv_gain_Q32;
NSQ_del_dec_struct *psDD;
@@ -617,7 +624,8 @@
inv_gain_Q16 = SKP_INVERSE32_varQ( SKP_max( Gains_Q16[ subfr ], 1 ), 32 );
inv_gain_Q16 = SKP_min( inv_gain_Q16, SKP_int16_MAX );
lag = pitchL[ subfr ];
- /* After rewhitening the LTP state is un-scaled. So scale with inv_gain_Q16 */
+
+ /* After rewhitening the LTP state is un-scaled, so scale with inv_gain_Q16 */
if( NSQ->rewhite_flag ) {
inv_gain_Q32 = SKP_LSHIFT( inv_gain_Q16, 16 );
if( subfr == 0 ) {
@@ -634,6 +642,18 @@
if( inv_gain_Q16 != NSQ->prev_inv_gain_Q16 ) {
gain_adj_Q16 = SKP_DIV32_varQ( inv_gain_Q16, NSQ->prev_inv_gain_Q16, 16 );
+ /* Scale long-term shaping state */
+ for( i = NSQ->sLTP_shp_buf_idx - subfr_length * psEncC->nb_subfr; i < NSQ->sLTP_shp_buf_idx; i++ ) {
+ NSQ->sLTP_shp_Q10[ i ] = SKP_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q10[ i ] );
+ }
+
+ /* Scale long-term prediction state */
+ if( NSQ->rewhite_flag == 0 ) {
+ for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) {
+ sLTP_Q16[ i ] = SKP_SMULWW( gain_adj_Q16, sLTP_Q16[ i ] );
+ }
+ }
+
for( k = 0; k < nStatesDelayedDecision; k++ ) {
psDD = &psDelDec[ k ];
@@ -640,9 +660,9 @@
/* Scale scalar states */
psDD->LF_AR_Q12 = SKP_SMULWW( gain_adj_Q16, psDD->LF_AR_Q12 );
- /* scale short term state */
+ /* Scale short-term prediction and shaping states */
for( i = 0; i < NSQ_LPC_BUF_LENGTH; i++ ) {
- psDD->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - i - 1 ] = SKP_SMULWW( gain_adj_Q16, psDD->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - i - 1 ] );
+ psDD->sLPC_Q14[ i ] = SKP_SMULWW( gain_adj_Q16, psDD->sLPC_Q14[ i ] );
}
for( i = 0; i < MAX_SHAPE_LPC_ORDER; i++ ) {
psDD->sAR2_Q14[ i ] = SKP_SMULWW( gain_adj_Q16, psDD->sAR2_Q14[ i ] );
@@ -652,28 +672,10 @@
psDD->Shape_Q10[ i ] = SKP_SMULWW( gain_adj_Q16, psDD->Shape_Q10[ i ] );
}
}
-
- /* Scale long term shaping state */
-
- /* Calculate length to be scaled, Worst case: Next frame is voiced with max lag */
- scale_length = length * MAX_NB_SUBFR; /* aprox max lag */
- scale_length = scale_length - SKP_SMULBB( MAX_NB_SUBFR - ( subfr + 1 ), length ); /* subtract samples that will be too old in next frame */
- scale_length = SKP_max_int( scale_length, lag + LTP_ORDER ); /* make sure to scale whole pitch period if voiced */
-
- for( i = NSQ->sLTP_shp_buf_idx - scale_length; i < NSQ->sLTP_shp_buf_idx; i++ ) {
- NSQ->sLTP_shp_Q10[ i ] = SKP_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q10[ i ] );
- }
-
- /* Scale LTP predict state */
- if( NSQ->rewhite_flag == 0 ) {
- for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) {
- sLTP_Q16[ i ] = SKP_SMULWW( gain_adj_Q16, sLTP_Q16[ i ] );
- }
- }
}
/* Scale input */
- for( i = 0; i < length; i++ ) {
+ for( i = 0; i < subfr_length; i++ ) {
x_sc_Q10[ i ] = SKP_RSHIFT( SKP_SMULBB( x[ i ], ( SKP_int16 )inv_gain_Q16 ), 6 );
}
--- a/src_common/SKP_Silk_PLC.c
+++ b/src_common/SKP_Silk_PLC.c
@@ -157,7 +157,7 @@
SKP_int16 *B_Q14, exc_buf[ MAX_FRAME_LENGTH ], *exc_buf_ptr;
SKP_int16 rand_scale_Q14, A_Q12_tmp[ MAX_LPC_ORDER ];
SKP_int32 rand_seed, harm_Gain_Q15, rand_Gain_Q15;
- SKP_int lag, idx, shift1, shift2;
+ SKP_int lag, idx, sLTP_buf_idx, shift1, shift2;
SKP_int32 energy1, energy2, *rand_ptr, *pred_lag_ptr;
SKP_int32 sig_Q10[ MAX_FRAME_LENGTH ], *sig_Q10_ptr, LPC_exc_Q10, LPC_pred_Q10, LTP_pred_Q14;
SKP_Silk_PLC_struct *psPLC;
@@ -183,7 +183,7 @@
SKP_Silk_sum_sqr_shift( &energy1, &shift1, exc_buf, psDec->subfr_length );
SKP_Silk_sum_sqr_shift( &energy2, &shift2, &exc_buf[ psDec->subfr_length ], psDec->subfr_length );
- if( SKP_RSHIFT( energy1, shift2 ) < SKP_RSHIFT( energy1, shift2 ) ) {
+ if( SKP_RSHIFT( energy1, shift2 ) < SKP_RSHIFT( energy2, shift1 ) ) {
/* First sub-frame has lowest energy */
rand_ptr = &psDec->exc_Q10[ SKP_max_int( 0, 3 * psDec->subfr_length - RAND_BUF_SIZE ) ];
} else {
@@ -230,9 +230,9 @@
}
}
- rand_seed = psPLC->rand_seed;
- lag = SKP_RSHIFT_ROUND( psPLC->pitchL_Q8, 8 );
- psDec->sLTP_buf_idx = psDec->ltp_mem_length;
+ rand_seed = psPLC->rand_seed;
+ lag = SKP_RSHIFT_ROUND( psPLC->pitchL_Q8, 8 );
+ sLTP_buf_idx = psDec->ltp_mem_length;
/***************************/
/* LTP synthesis filtering */
@@ -240,7 +240,7 @@
sig_Q10_ptr = sig_Q10;
for( k = 0; k < psDec->nb_subfr; k++ ) {
/* Setup pointer */
- pred_lag_ptr = &psDec->sLTP_Q16[ psDec->sLTP_buf_idx - lag + LTP_ORDER / 2 ];
+ pred_lag_ptr = &psDec->sLTP_Q16[ sLTP_buf_idx - lag + LTP_ORDER / 2 ];
for( i = 0; i < psDec->subfr_length; i++ ) {
rand_seed = SKP_RAND( rand_seed );
idx = SKP_RSHIFT( rand_seed, 25 ) & RAND_BUF_MASK;
@@ -258,8 +258,8 @@
LPC_exc_Q10 = SKP_ADD32( LPC_exc_Q10, SKP_RSHIFT_ROUND( LTP_pred_Q14, 4 ) ); /* Harmonic part */
/* Update states */
- psDec->sLTP_Q16[ psDec->sLTP_buf_idx ] = SKP_LSHIFT( LPC_exc_Q10, 6 );
- psDec->sLTP_buf_idx++;
+ psDec->sLTP_Q16[ sLTP_buf_idx ] = SKP_LSHIFT( LPC_exc_Q10, 6 );
+ sLTP_buf_idx++;
/* Save LPC residual */
sig_Q10_ptr[ i ] = LPC_exc_Q10;
--- a/src_common/SKP_Silk_VAD.c
+++ b/src_common/SKP_Silk_VAD.c
@@ -25,11 +25,6 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
-/*
- * File Name: SKP_Silk_VAD.c
- * Description: Silk VAD.
- */
-
#include <stdlib.h>
#include "SKP_Silk_main.h"
@@ -77,6 +72,7 @@
SKP_int SKP_Silk_VAD_GetSA_Q8( /* O Return value, 0 if success */
SKP_Silk_VAD_state *psSilk_VAD, /* I/O Silk VAD state */
SKP_int *pSA_Q8, /* O Speech activity level in Q8 */
+ SKP_int *pSNR_dB_Q7, /* O SNR for current frame in Q7 */
SKP_int pQuality_Q15[ VAD_N_BANDS ], /* O Smoothed SNR for each band */
SKP_int *pTilt_Q15, /* O current frame's frequency tilt */
const SKP_int16 pIn[], /* I PCM input [framelength] */
@@ -88,7 +84,7 @@
SKP_int32 scratch[ 3 * MAX_FRAME_LENGTH / 2 ];
SKP_int decimated_framelength, dec_subframe_length, dec_subframe_offset, SNR_Q7, i, b, s;
SKP_int32 sumSquared, smooth_coef_Q16;
- SKP_int16 HPstateTmp, SNR_dB_Q7;
+ SKP_int16 HPstateTmp;
SKP_int16 X[ VAD_N_BANDS ][ MAX_FRAME_LENGTH / 2 ];
SKP_int32 Xnrg[ VAD_N_BANDS ];
@@ -121,7 +117,6 @@
/*********************************************/
/* HP filter on lowest band (differentiator) */
/*********************************************/
- // y( n ) = 0.5 * x( n ) - 0.5 * x( n - 1 )
decimated_framelength = SKP_RSHIFT( framelength, 3 );
X[ 0 ][ decimated_framelength - 1 ] = SKP_RSHIFT( X[ 0 ][ decimated_framelength - 1 ], 1 );
HPstateTmp = X[ 0 ][ decimated_framelength - 1 ];
@@ -212,12 +207,12 @@
sumSquared = SKP_DIV32_16( sumSquared, VAD_N_BANDS ); /* Q14 */
/* Root-mean-square approximation, scale to dBs, and write to output pointer */
- SNR_dB_Q7 = ( SKP_int16 )( 3 * SKP_Silk_SQRT_APPROX( sumSquared ) ); /* Q7 */
+ *pSNR_dB_Q7 = ( SKP_int16 )( 3 * SKP_Silk_SQRT_APPROX( sumSquared ) ); /* Q7 */
/*********************************/
/* Speech Probability Estimation */
/*********************************/
- SA_Q15 = SKP_Silk_sigm_Q15( SKP_SMULWB( VAD_SNR_FACTOR_Q16, SNR_dB_Q7 ) - VAD_NEGATIVE_OFFSET_Q5 );
+ SA_Q15 = SKP_Silk_sigm_Q15( SKP_SMULWB( VAD_SNR_FACTOR_Q16, *pSNR_dB_Q7 ) - VAD_NEGATIVE_OFFSET_Q5 );
/**************************/
/* Frequency Tilt Measure */
--- a/src_common/SKP_Silk_code_signs.c
+++ b/src_common/SKP_Silk_code_signs.c
@@ -36,11 +36,11 @@
/* Encodes signs of excitation */
void SKP_Silk_encode_signs(
ec_enc *psRangeEnc, /* I/O Compressor data structure */
- const SKP_int8 q[], /* I pulse signal */
- const SKP_int length, /* I length of input */
+ const SKP_int8 q[], /* I Pulse signal */
+ const SKP_int length, /* I Length of input */
const SKP_int sigtype, /* I Signal type */
const SKP_int QuantOffsetType, /* I Quantization offset type */
- const SKP_int RateLevelIndex /* I Rate Level Index */
+ const SKP_int RateLevelIndex /* I Rate level index */
)
{
SKP_int i;
--- /dev/null
+++ b/src_common/SKP_Silk_control_audio_bandwidth.c
@@ -1,0 +1,137 @@
+/***********************************************************************
+Copyright (c) 2006-2010, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#include "SKP_Silk_main.h"
+
+/* Control internal sampling rate */
+SKP_int SKP_Silk_control_audio_bandwidth(
+ SKP_Silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */
+ const SKP_int32 TargetRate_bps /* I Target max bitrate (bps) */
+)
+{
+ SKP_int fs_kHz;
+
+ fs_kHz = psEncC->fs_kHz;
+ if( fs_kHz == 0 ) {
+ /* Encoder has just been initialized */
+ if( TargetRate_bps >= SWB2WB_BITRATE_BPS ) {
+ fs_kHz = 24;
+ } else if( TargetRate_bps >= WB2MB_BITRATE_BPS ) {
+ fs_kHz = 16;
+ } else if( TargetRate_bps >= MB2NB_BITRATE_BPS ) {
+ fs_kHz = 12;
+ } else {
+ fs_kHz = 8;
+ }
+ /* Make sure internal rate is not higher than external rate or maximum allowed, or lower than minimum allowed */
+ fs_kHz = SKP_min( fs_kHz, SKP_DIV32_16( psEncC->API_fs_Hz, 1000 ) );
+ fs_kHz = SKP_min( fs_kHz, psEncC->maxInternal_fs_kHz );
+ fs_kHz = SKP_max( fs_kHz, psEncC->minInternal_fs_kHz );
+ } else if( SKP_SMULBB( fs_kHz, 1000 ) > psEncC->API_fs_Hz || fs_kHz > psEncC->maxInternal_fs_kHz || fs_kHz < psEncC->minInternal_fs_kHz ) {
+ /* Make sure internal rate is not higher than external rate or maximum allowed, or lower than minimum allowed */
+ fs_kHz = SKP_DIV32_16( psEncC->API_fs_Hz, 1000 );
+ fs_kHz = SKP_min( fs_kHz, psEncC->maxInternal_fs_kHz );
+ fs_kHz = SKP_max( fs_kHz, psEncC->minInternal_fs_kHz );
+ } else {
+ /* State machine for the internal sampling rate switching */
+ if( psEncC->API_fs_Hz > 8000 ) {
+ /* Accumulate the difference between the target rate and limit for switching down */
+ psEncC->bitrateDiff += SKP_MUL( psEncC->PacketSize_ms, psEncC->TargetRate_bps - psEncC->bitrate_threshold_down );
+ psEncC->bitrateDiff = SKP_min( psEncC->bitrateDiff, 0 );
+
+ if( psEncC->vadFlag == NO_VOICE_ACTIVITY ) { /* Low speech activity */
+ /* Check if we should switch down */
+#if SWITCH_TRANSITION_FILTERING
+ if( ( psEncC->sLP.transition_frame_no == 0 ) && /* Transition phase not active */
+ ( psEncC->bitrateDiff <= -ACCUM_BITS_DIFF_THRESHOLD || /* Bitrate threshold is met */
+ ( psEncC->sSWBdetect.WB_detected * psEncC->fs_kHz == 24 ) ) ) { /* Forced down-switching due to WB input */
+ psEncC->sLP.transition_frame_no = 1; /* Begin transition phase */
+ psEncC->sLP.mode = 0; /* Switch down */
+ } else if(
+ ( psEncC->sLP.transition_frame_no >= TRANSITION_FRAMES_DOWN ) && /* Transition phase complete */
+ ( psEncC->sLP.mode == 0 ) ) { /* Ready to switch down */
+ psEncC->sLP.transition_frame_no = 0; /* Ready for new transition phase */
+#else
+ if( psEncC->bitrateDiff <= -ACCUM_BITS_DIFF_THRESHOLD ) { /* Bitrate threshold is met */
+#endif
+ psEncC->bitrateDiff = 0;
+
+ /* Switch to a lower sample frequency */
+ if( psEncC->fs_kHz == 24 ) {
+ fs_kHz = 16;
+ } else if( psEncC->fs_kHz == 16 ) {
+ fs_kHz = 12;
+ } else {
+ SKP_assert( psEncC->fs_kHz == 12 );
+ fs_kHz = 8;
+ }
+ }
+
+ /* Check if we should switch up */
+ if( ( ( psEncC->fs_kHz * 1000 < psEncC->API_fs_Hz ) &&
+ ( psEncC->TargetRate_bps >= psEncC->bitrate_threshold_up ) &&
+ ( psEncC->sSWBdetect.WB_detected * psEncC->fs_kHz < 16 ) ) &&
+ ( ( psEncC->fs_kHz == 16 ) && ( psEncC->maxInternal_fs_kHz >= 24 ) ||
+ ( psEncC->fs_kHz == 12 ) && ( psEncC->maxInternal_fs_kHz >= 16 ) ||
+ ( psEncC->fs_kHz == 8 ) && ( psEncC->maxInternal_fs_kHz >= 12 ) )
+#if SWITCH_TRANSITION_FILTERING
+ && ( psEncC->sLP.transition_frame_no == 0 ) ) { /* No transition phase running, ready to switch */
+ psEncC->sLP.mode = 1; /* Switch up */
+#else
+ ) {
+#endif
+ psEncC->bitrateDiff = 0;
+
+ /* Switch to a higher sample frequency */
+ if( psEncC->fs_kHz == 8 ) {
+ fs_kHz = 12;
+ } else if( psEncC->fs_kHz == 12 ) {
+ fs_kHz = 16;
+ } else {
+ SKP_assert( psEncC->fs_kHz == 16 );
+ fs_kHz = 24;
+ }
+ }
+ }
+ }
+
+#if SWITCH_TRANSITION_FILTERING
+ /* After switching up, stop transition filter during speech inactivity */
+ if( ( psEncC->sLP.mode == 1 ) &&
+ ( psEncC->sLP.transition_frame_no >= TRANSITION_FRAMES_UP ) &&
+ ( psEncC->vadFlag == NO_VOICE_ACTIVITY ) ) {
+
+ psEncC->sLP.transition_frame_no = 0;
+
+ /* Reset transition filter state */
+ SKP_memset( psEncC->sLP.In_LP_State, 0, 2 * sizeof( SKP_int32 ) );
+ }
+#endif
+ }
+
+ return fs_kHz;
+}
--- a/src_common/SKP_Silk_create_init_destroy.c
+++ b/src_common/SKP_Silk_create_init_destroy.c
@@ -39,7 +39,8 @@
SKP_memset( psDec, 0, sizeof( SKP_Silk_decoder_state ) );
/* Set sampling rate to 24 kHz, and init non-zero values */
- SKP_Silk_decoder_set_fs( psDec, 24, MAX_NB_SUBFR );
+ psDec->nb_subfr = MAX_NB_SUBFR;
+ SKP_Silk_decoder_set_fs( psDec, 24 );
/* Used to deactivate e.g. LSF interpolation and fluctuation reduction */
psDec->first_frame_after_reset = 1;
--- /dev/null
+++ b/src_common/SKP_Silk_dec_API.c
@@ -1,0 +1,282 @@
+/***********************************************************************
+Copyright (c) 2006-2010, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#include "SKP_Silk_SDK_API.h"
+#include "SKP_Silk_main.h"
+
+/*********************/
+/* Decoder functions */
+/*********************/
+
+SKP_int SKP_Silk_SDK_Get_Decoder_Size( SKP_int32 *decSizeBytes )
+{
+ SKP_int ret = SKP_SILK_NO_ERROR;
+
+ *decSizeBytes = sizeof( SKP_Silk_decoder_state );
+
+ return ret;
+}
+
+/* Reset decoder state */
+SKP_int SKP_Silk_SDK_InitDecoder(
+ void* decState /* I/O: State */
+)
+{
+ SKP_int ret = SKP_SILK_NO_ERROR;
+ SKP_Silk_decoder_state *struc;
+
+ struc = (SKP_Silk_decoder_state *)decState;
+
+ ret = SKP_Silk_init_decoder( struc );
+
+ return ret;
+}
+
+/* Decode a frame */
+SKP_int SKP_Silk_SDK_Decode(
+ void* decState, /* I/O: State */
+ SKP_SILK_SDK_DecControlStruct* decControl, /* I/O: Control Structure */
+ SKP_int lostFlag, /* I: 0: no loss, 1 loss */
+ ec_dec *psRangeDec, /* I/O Compressor data structure */
+ const SKP_int nBytesIn, /* I: Number of input bytes */
+ SKP_int16 *samplesOut, /* O: Decoded output speech vector */
+ SKP_int32 *nSamplesOut /* I/O: Number of samples (vector/decoded) */
+)
+{
+ SKP_int ret = SKP_SILK_NO_ERROR, used_bytes, prev_fs_kHz;
+ SKP_Silk_decoder_state *psDec;
+
+ psDec = (SKP_Silk_decoder_state *)decState;
+
+ /**********************************/
+ /* Test if first frame in payload */
+ /**********************************/
+ if( psDec->moreInternalDecoderFrames == 0 ) {
+ /* First Frame in Payload */
+ psDec->nFramesDecoded = 0; /* Used to count frames in packet */
+ }
+
+ if( psDec->moreInternalDecoderFrames == 0 && /* First frame in packet */
+ lostFlag == 0 && /* Not packet loss */
+ nBytesIn > MAX_ARITHM_BYTES ) { /* Too long payload */
+ /* Avoid trying to decode a too large packet */
+ lostFlag = 1;
+ return SKP_SILK_DEC_PAYLOAD_TOO_LARGE;
+ }
+
+ /* Save previous sample frequency */
+ prev_fs_kHz = psDec->fs_kHz;
+
+ if( psDec->nFramesDecoded == 0 ) {
+ SKP_int fs_kHz_dec;
+ if( decControl->payloadSize_ms == 10 ) {
+ psDec->nFramesInPacket = 1;
+ psDec->nb_subfr = 2;
+ } else if( decControl->payloadSize_ms == 20 ) {
+ psDec->nFramesInPacket = 1;
+ psDec->nb_subfr = 4;
+ } else if( decControl->payloadSize_ms == 40 ) {
+ psDec->nFramesInPacket = 2;
+ psDec->nb_subfr = 4;
+ } else if( decControl->payloadSize_ms == 60 ) {
+ psDec->nFramesInPacket = 3;
+ psDec->nb_subfr = 4;
+ } else {
+ SKP_assert( 0 );
+ return SKP_SILK_DEC_INVALID_FRAME_SIZE;
+ }
+ fs_kHz_dec = ( decControl->internalSampleRate >> 10 ) + 1;
+ if( fs_kHz_dec != 8 && fs_kHz_dec != 12 && fs_kHz_dec != 16 && fs_kHz_dec != 24 ) {
+ SKP_assert( 0 );
+ return SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY;
+ }
+ SKP_Silk_decoder_set_fs( psDec, fs_kHz_dec );
+ }
+
+ /* Call decoder for one frame */
+ ret += SKP_Silk_decode_frame( psDec, psRangeDec, samplesOut, nSamplesOut, nBytesIn, lostFlag, &used_bytes );
+
+ if( used_bytes ) { /* Only Call if not a packet loss */
+
+ psDec->moreInternalDecoderFrames = psDec->nFramesInPacket - psDec->nFramesDecoded;
+ if( psDec->nBytesLeft <= 0 || psDec->moreInternalDecoderFrames <= 0 ) {
+ /* Last frame in Payload */
+
+ /* Track inband FEC usage */
+ if( psDec->vadFlag == VOICE_ACTIVITY ) {
+ if( psDec->FrameTermination == SKP_SILK_NO_LBRR ) {
+ psDec->no_FEC_counter++;
+ if( psDec->no_FEC_counter > NO_LBRR_THRES ) {
+ psDec->inband_FEC_offset = 0;
+ }
+ } else if( psDec->FrameTermination == SKP_SILK_LBRR ) {
+ psDec->inband_FEC_offset = 1; /* FEC info with 1 packet delay */
+ psDec->no_FEC_counter = 0;
+ }
+ }
+ }
+ }
+
+ if( MAX_API_FS_KHZ * 1000 < decControl->API_sampleRate ||
+ 8000 > decControl->API_sampleRate ) {
+ ret = SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY;
+ return( ret );
+ }
+
+ /* Resample if needed */
+ if( psDec->fs_kHz * 1000 != decControl->API_sampleRate ) {
+ SKP_int16 samplesOut_tmp[ MAX_API_FS_KHZ * MAX_FRAME_LENGTH_MS ];
+ SKP_assert( psDec->fs_kHz <= MAX_API_FS_KHZ );
+
+ /* Copy to a tmp buffer as the resampling writes to samplesOut */
+ SKP_memcpy( samplesOut_tmp, samplesOut, *nSamplesOut * sizeof( SKP_int16 ) );
+
+ /* (Re-)initialize resampler state when switching internal sampling frequency */
+ if( prev_fs_kHz != psDec->fs_kHz || psDec->prev_API_sampleRate != decControl->API_sampleRate ) {
+ ret = SKP_Silk_resampler_init( &psDec->resampler_state, SKP_SMULBB( psDec->fs_kHz, 1000 ), decControl->API_sampleRate );
+ }
+
+ /* Resample the output to API_sampleRate */
+ ret += SKP_Silk_resampler( &psDec->resampler_state, samplesOut, samplesOut_tmp, *nSamplesOut );
+
+ /* Update the number of output samples */
+ *nSamplesOut = SKP_DIV32( ( SKP_int32 )*nSamplesOut * decControl->API_sampleRate, psDec->fs_kHz * 1000 );
+ }
+
+ psDec->prev_API_sampleRate = decControl->API_sampleRate;
+
+ /* Copy all parameters that are needed out of internal structure to the control stucture */
+ decControl->frameSize = ( SKP_int )psDec->frame_length;
+ decControl->framesPerPayload = ( SKP_int )psDec->nFramesInPacket;
+ decControl->inBandFECOffset = ( SKP_int )psDec->inband_FEC_offset;
+ decControl->moreInternalDecoderFrames = ( SKP_int )psDec->moreInternalDecoderFrames;
+
+ return ret;
+}
+
+#if 0
+/* Function to find LBRR information in a packet */
+void SKP_Silk_SDK_search_for_LBRR(
+ const SKP_uint8 *inData, /* I: Encoded input vector */
+ const SKP_int16 nBytesIn, /* I: Number of input Bytes */
+ SKP_int lost_offset, /* I: Offset from lost packet */
+ SKP_uint8 *LBRRData, /* O: LBRR payload */
+ SKP_int16 *nLBRRBytes /* O: Number of LBRR Bytes */
+)
+{
+ SKP_int ret = SKP_SILK_NO_ERROR;
+ SKP_Silk_decoder_state sDec; // Local decoder state to avoid interfering with running decoder */
+ SKP_Silk_decoder_control sDecCtrl;
+ SKP_int i, TempQ[ MAX_FRAME_LENGTH ];
+
+ if( lost_offset < 1 || lost_offset > MAX_LBRR_DELAY ) {
+ /* No useful FEC in this packet */
+ *nLBRRBytes = 0;
+ return;
+ }
+
+ sDec.nFramesDecoded = 0;
+ sDec.fs_kHz = 0; /* Force update parameters LPC_order etc */
+ SKP_memset( sDec.prevNLSF_Q15, 0, MAX_LPC_ORDER * sizeof( SKP_int ) );
+
+ /* Decode all parameter indices for the whole packet*/
+ SKP_Silk_decode_indices( &sDec, psRangeDec );
+
+ /* Is there usable LBRR in this packet */
+ *nLBRRBytes = 0;
+ if( ( sDec.FrameTermination - 1 ) & lost_offset && sDec.FrameTermination > 0 && sDec.nBytesLeft >= 0 ) {
+ /* The wanted FEC is present in the packet */
+ for( i = 0; i < sDec.nFramesInPacket; i++ ) {
+ SKP_Silk_decode_parameters( &sDec, &sDecCtrl, psRangeDec, TempQ, 0 );
+
+ if( sDec.nBytesLeft <= 0 || sDec.sRC.error ) {
+ /* Corrupt stream */
+ LBRRData = NULL;
+ *nLBRRBytes = 0;
+ break;
+ } else {
+ sDec.nFramesDecoded++;
+ }
+ }
+
+ if( LBRRData != NULL ) {
+ /* The wanted FEC is present in the packet */
+ *nLBRRBytes = sDec.nBytesLeft;
+ SKP_memcpy( LBRRData, &inData[ nBytesIn - sDec.nBytesLeft ], sDec.nBytesLeft * sizeof( SKP_uint8 ) );
+ }
+ }
+}
+#endif
+
+#if 0 // todo: clean up, make efficient
+/* Getting type of content for a packet */
+void SKP_Silk_SDK_get_TOC(
+ ec_dec *psRangeDec, /* I/O Compressor data structure */
+ const SKP_int16 nBytesIn, /* I: Number of input bytes */
+ SKP_Silk_TOC_struct *Silk_TOC /* O: Type of content */
+)
+{
+ SKP_Silk_decoder_state sDec; // Local Decoder state to avoid interfering with running decoder */
+ SKP_int i, ret = SKP_SILK_NO_ERROR;
+
+ sDec.nFramesDecoded = 0;
+ sDec.fs_kHz = 0; /* Force update parameters LPC_order etc */
+
+ /* Decode all parameter indices for the whole packet*/
+ SKP_Silk_decode_indices( &sDec );
+
+ if( sDec.sRC.error ) {
+ /* Corrupt packet */
+ SKP_memset( Silk_TOC, 0, sizeof( SKP_Silk_TOC_struct ) );
+ Silk_TOC->corrupt = 1;
+ } else {
+ Silk_TOC->corrupt = 0;
+ Silk_TOC->framesInPacket = sDec.nFramesInPacket;
+ Silk_TOC->fs_kHz = sDec.fs_kHz;
+ if( sDec.FrameTermination == SKP_SILK_LAST_FRAME ) {
+ Silk_TOC->inbandLBRR = sDec.FrameTermination;
+ } else {
+ Silk_TOC->inbandLBRR = sDec.FrameTermination - 1;
+ }
+ /* Copy data */
+ for( i = 0; i < sDec.nFramesInPacket; i++ ) {
+ Silk_TOC->vadFlags[ i ] = sDec.vadFlagBuf[ i ];
+ Silk_TOC->sigtypeFlags[ i ] = sDec.sigtype[ i ];
+ }
+ }
+}
+#endif
+
+/**************************/
+/* Get the version number */
+/**************************/
+/* Return a pointer to string specifying the version */
+const char *SKP_Silk_SDK_get_version()
+{
+ static const char version[] = "1.0.4";
+ return version;
+}
\ No newline at end of file
--- a/src_common/SKP_Silk_dec_SDK_API.c
+++ /dev/null
@@ -1,235 +1,0 @@
-#include "SKP_Silk_SDK_API.h"
-#include "SKP_Silk_main.h"
-
-/*********************/
-/* Decoder functions */
-/*********************/
-
-SKP_int SKP_Silk_SDK_Get_Decoder_Size( SKP_int32 *decSizeBytes )
-{
- SKP_int ret = SKP_SILK_NO_ERROR;
-
- *decSizeBytes = sizeof( SKP_Silk_decoder_state );
-
- return ret;
-}
-
-/* Reset decoder state */
-SKP_int SKP_Silk_SDK_InitDecoder(
- void* decState /* I/O: State */
-)
-{
- SKP_int ret = SKP_SILK_NO_ERROR;
- SKP_Silk_decoder_state *struc;
-
- struc = (SKP_Silk_decoder_state *)decState;
-
- ret = SKP_Silk_init_decoder( struc );
-
- return ret;
-}
-
-/* Decode a frame */
-SKP_int SKP_Silk_SDK_Decode(
- void* decState, /* I/O: State */
- SKP_SILK_SDK_DecControlStruct* decControl, /* I/O: Control Structure */
- SKP_int lostFlag, /* I: 0: no loss, 1 loss */
- ec_dec *psRangeDec, /* I/O Compressor data structure */
- const SKP_int nBytesIn, /* I: Number of input bytes */
- SKP_int16 *samplesOut, /* O: Decoded output speech vector */
- SKP_int16 *nSamplesOut /* I/O: Number of samples (vector/decoded) */
-)
-{
- SKP_int ret = SKP_SILK_NO_ERROR, used_bytes, prev_fs_kHz;
- SKP_Silk_decoder_state *psDec;
-
- psDec = (SKP_Silk_decoder_state *)decState;
-
- /**********************************/
- /* Test if first frame in payload */
- /**********************************/
- if( psDec->moreInternalDecoderFrames == 0 ) {
- /* First Frame in Payload */
- psDec->nFramesDecoded = 0; /* Used to count frames in packet */
- }
-
- if( psDec->moreInternalDecoderFrames == 0 && /* First frame in packet */
- lostFlag == 0 && /* Not packet loss */
- nBytesIn > MAX_ARITHM_BYTES ) { /* Too long payload */
- /* Avoid trying to decode a too large packet */
- lostFlag = 1;
- ret = SKP_SILK_DEC_PAYLOAD_TOO_LARGE;
- }
-
- /* Save previous sample frequency */
- prev_fs_kHz = psDec->fs_kHz;
-
- /* Call decoder for one frame */
- ret += SKP_Silk_decode_frame( psDec, psRangeDec, samplesOut, nSamplesOut, nBytesIn, lostFlag, &used_bytes );
-
- if( used_bytes ) { /* Only Call if not a packet loss */
- if( psDec->nBytesLeft > 0 && psDec->FrameTermination == SKP_SILK_MORE_FRAMES && psDec->nFramesDecoded < 5 ) {
- /* We have more frames in the Payload */
- psDec->moreInternalDecoderFrames = 1;
- } else {
- /* Last frame in Payload */
- psDec->moreInternalDecoderFrames = 0;
- psDec->nFramesInPacket = psDec->nFramesDecoded;
-
- /* Track inband FEC usage */
- if( psDec->vadFlag == VOICE_ACTIVITY ) {
- if( psDec->FrameTermination == SKP_SILK_LAST_FRAME ) {
- psDec->no_FEC_counter++;
- if( psDec->no_FEC_counter > NO_LBRR_THRES ) {
- psDec->inband_FEC_offset = 0;
- }
- } else if( psDec->FrameTermination == SKP_SILK_LBRR_VER1 ) {
- psDec->inband_FEC_offset = 1; /* FEC info with 1 packet delay */
- psDec->no_FEC_counter = 0;
- } else if( psDec->FrameTermination == SKP_SILK_LBRR_VER2 ) {
- psDec->inband_FEC_offset = 2; /* FEC info with 2 packets delay */
- psDec->no_FEC_counter = 0;
- }
- }
- }
- }
-
- if( MAX_API_FS_KHZ * 1000 < decControl->API_sampleRate ||
- 8000 > decControl->API_sampleRate ) {
- ret = SKP_SILK_DEC_INVALID_SAMPLING_FREQUENCY;
- return( ret );
- }
-
- /* Resample if needed */
- if( psDec->fs_kHz * 1000 != decControl->API_sampleRate ) {
- SKP_int16 samplesOut_tmp[ MAX_API_FS_KHZ * MAX_FRAME_LENGTH_MS ];
- SKP_assert( psDec->fs_kHz <= MAX_API_FS_KHZ );
-
- /* Copy to a tmp buffer as the resampling writes to samplesOut */
- SKP_memcpy( samplesOut_tmp, samplesOut, *nSamplesOut * sizeof( SKP_int16 ) );
-
- /* (Re-)initialize resampler state when switching internal sampling frequency */
- if( prev_fs_kHz != psDec->fs_kHz || psDec->prev_API_sampleRate != decControl->API_sampleRate ) {
- ret = SKP_Silk_resampler_init( &psDec->resampler_state, SKP_SMULBB( psDec->fs_kHz, 1000 ), decControl->API_sampleRate );
- }
-
- /* Resample the output to API_sampleRate */
- ret += SKP_Silk_resampler( &psDec->resampler_state, samplesOut, samplesOut_tmp, *nSamplesOut );
-
- /* Update the number of output samples */
- *nSamplesOut = SKP_DIV32( ( SKP_int32 )*nSamplesOut * decControl->API_sampleRate, psDec->fs_kHz * 1000 );
- }
-
- psDec->prev_API_sampleRate = decControl->API_sampleRate;
-
- /* Copy all parameters that are needed out of internal structure to the control stucture */
- decControl->frameSize = ( SKP_int )psDec->frame_length;
- decControl->framesPerPacket = ( SKP_int )psDec->nFramesInPacket;
- decControl->inBandFECOffset = ( SKP_int )psDec->inband_FEC_offset;
- decControl->moreInternalDecoderFrames = ( SKP_int )psDec->moreInternalDecoderFrames;
-
- return ret;
-}
-
-#if 0
-/* Function to find LBRR information in a packet */
-void SKP_Silk_SDK_search_for_LBRR(
- const SKP_uint8 *inData, /* I: Encoded input vector */
- const SKP_int16 nBytesIn, /* I: Number of input Bytes */
- SKP_int lost_offset, /* I: Offset from lost packet */
- SKP_uint8 *LBRRData, /* O: LBRR payload */
- SKP_int16 *nLBRRBytes /* O: Number of LBRR Bytes */
-)
-{
- SKP_int ret = SKP_SILK_NO_ERROR;
- SKP_Silk_decoder_state sDec; // Local decoder state to avoid interfering with running decoder */
- SKP_Silk_decoder_control sDecCtrl;
- SKP_int i, TempQ[ MAX_FRAME_LENGTH ];
-
- if( lost_offset < 1 || lost_offset > MAX_LBRR_DELAY ) {
- /* No useful FEC in this packet */
- *nLBRRBytes = 0;
- return;
- }
-
- sDec.nFramesDecoded = 0;
- sDec.fs_kHz = 0; /* Force update parameters LPC_order etc */
- SKP_memset( sDec.prevNLSF_Q15, 0, MAX_LPC_ORDER * sizeof( SKP_int ) );
-
- /* Decode all parameter indices for the whole packet*/
- SKP_Silk_decode_indices( &sDec, psRangeDec );
-
- /* Is there usable LBRR in this packet */
- *nLBRRBytes = 0;
- if( ( sDec.FrameTermination - 1 ) & lost_offset && sDec.FrameTermination > 0 && sDec.nBytesLeft >= 0 ) {
- /* The wanted FEC is present in the packet */
- for( i = 0; i < sDec.nFramesInPacket; i++ ) {
- SKP_Silk_decode_parameters( &sDec, &sDecCtrl, psRangeDec, TempQ, 0 );
-
- if( sDec.nBytesLeft <= 0 || sDec.sRC.error ) {
- /* Corrupt stream */
- LBRRData = NULL;
- *nLBRRBytes = 0;
- break;
- } else {
- sDec.nFramesDecoded++;
- }
- }
-
- if( LBRRData != NULL ) {
- /* The wanted FEC is present in the packet */
- *nLBRRBytes = sDec.nBytesLeft;
- SKP_memcpy( LBRRData, &inData[ nBytesIn - sDec.nBytesLeft ], sDec.nBytesLeft * sizeof( SKP_uint8 ) );
- }
- }
-}
-#endif
-
-#if 0 // todo: clean up, make efficient
-/* Getting type of content for a packet */
-void SKP_Silk_SDK_get_TOC(
- ec_dec *psRangeDec, /* I/O Compressor data structure */
- const SKP_int16 nBytesIn, /* I: Number of input bytes */
- SKP_Silk_TOC_struct *Silk_TOC /* O: Type of content */
-)
-{
- SKP_Silk_decoder_state sDec; // Local Decoder state to avoid interfering with running decoder */
- SKP_int i, ret = SKP_SILK_NO_ERROR;
-
- sDec.nFramesDecoded = 0;
- sDec.fs_kHz = 0; /* Force update parameters LPC_order etc */
-
- /* Decode all parameter indices for the whole packet*/
- SKP_Silk_decode_indices( &sDec );
-
- if( sDec.nFramesInPacket > SILK_MAX_FRAMES_PER_PACKET || sDec.sRC.error ) {
- /* Corrupt packet */
- SKP_memset( Silk_TOC, 0, sizeof( SKP_Silk_TOC_struct ) );
- Silk_TOC->corrupt = 1;
- } else {
- Silk_TOC->corrupt = 0;
- Silk_TOC->framesInPacket = sDec.nFramesInPacket;
- Silk_TOC->fs_kHz = sDec.fs_kHz;
- if( sDec.FrameTermination == SKP_SILK_LAST_FRAME ) {
- Silk_TOC->inbandLBRR = sDec.FrameTermination;
- } else {
- Silk_TOC->inbandLBRR = sDec.FrameTermination - 1;
- }
- /* Copy data */
- for( i = 0; i < sDec.nFramesInPacket; i++ ) {
- Silk_TOC->vadFlags[ i ] = sDec.vadFlagBuf[ i ];
- Silk_TOC->sigtypeFlags[ i ] = sDec.sigtype[ i ];
- }
- }
-}
-#endif
-
-/**************************/
-/* Get the version number */
-/**************************/
-/* Return a pointer to string specifying the version */
-const char *SKP_Silk_SDK_get_version()
-{
- static const char version[] = "1.0.4";
- return version;
-}
\ No newline at end of file
--- a/src_common/SKP_Silk_decode_core.c
+++ b/src_common/SKP_Silk_decode_core.c
@@ -37,14 +37,14 @@
const SKP_int q[ MAX_FRAME_LENGTH ] /* I Pulse signal */
)
{
- SKP_int i, k, lag = 0, start_idx, NLSF_interpolation_flag, sigtype, LTP_scale_Q14;
- SKP_int16 *A_Q12, *B_Q14, *pxq, A_Q12_tmp[ MAX_LPC_ORDER ];
- SKP_int16 sLTP[ MAX_FRAME_LENGTH ];
- SKP_int32 Gain_Q16, *pred_lag_ptr, *pexc_Q10, *pres_Q10, LTP_pred_Q14, LPC_pred_Q10;
- SKP_int32 rand_seed, offset_Q10, dither;
- SKP_int32 vec_Q10[ MAX_SUB_FRAME_LENGTH ];
- SKP_int32 inv_gain_Q16, inv_gain_Q32, gain_adj_Q16, FiltState[ MAX_LPC_ORDER ];
- SKP_int j;
+ SKP_int i, k, lag = 0, start_idx, sLTP_buf_idx, NLSF_interpolation_flag, sigtype, LTP_scale_Q14;
+ SKP_int16 *A_Q12, *B_Q14, *pxq, A_Q12_tmp[ MAX_LPC_ORDER ];
+ SKP_int16 sLTP[ MAX_FRAME_LENGTH ];
+ SKP_int32 LTP_pred_Q14, LPC_pred_Q10, Gain_Q16, inv_gain_Q16, inv_gain_Q32, gain_adj_Q16, rand_seed, offset_Q10, dither;
+ SKP_int32 *pred_lag_ptr, *pexc_Q10, *pres_Q10;
+ SKP_int32 vec_Q10[ MAX_SUB_FRAME_LENGTH ];
+ SKP_int32 FiltState[ MAX_LPC_ORDER ];
+ SKP_int j;
SKP_assert( psDec->prev_inv_gain_Q16 != 0 );
@@ -57,7 +57,7 @@
}
#ifdef SAVE_ALL_INTERNAL_DATA
- DEBUG_STORE_DATA( q_dec.dat, q, psDec->frame_length * sizeof( SKP_int ));
+ DEBUG_STORE_DATA( q_dec.dat, q, psDec->frame_length * sizeof( SKP_int ) );
#endif
/* Decode excitation */
@@ -82,7 +82,7 @@
pexc_Q10 = psDec->exc_Q10;
pres_Q10 = psDec->res_Q10;
pxq = &psDec->outBuf[ psDec->ltp_mem_length ];
- psDec->sLTP_buf_idx = psDec->ltp_mem_length;
+ sLTP_buf_idx = psDec->ltp_mem_length;
/* Loop over subframes */
for( k = 0; k < psDec->nb_subfr; k++ ) {
A_Q12 = psDecCtrl->PredCoef_Q12[ k >> 1 ];
@@ -123,7 +123,7 @@
if( ( k & ( 3 - SKP_LSHIFT( NLSF_interpolation_flag, 1 ) ) ) == 0 ) {
/* Rewhiten with new A coefs */
start_idx = psDec->ltp_mem_length - lag - psDec->LPC_order - LTP_ORDER / 2;
- start_idx = SKP_LIMIT_int( start_idx, 0, psDec->ltp_mem_length - psDec->LPC_order );
+ SKP_assert( start_idx > 0 );
SKP_memset( FiltState, 0, psDec->LPC_order * sizeof( SKP_int32 ) ); /* Not really necessary, but Valgrind and Coverity will complain otherwise */
SKP_Silk_MA_Prediction( &psDec->outBuf[ start_idx + k * psDec->subfr_length ],
@@ -136,13 +136,13 @@
inv_gain_Q32 = SKP_LSHIFT( SKP_SMULWB( inv_gain_Q32, psDecCtrl->LTP_scale_Q14 ), 2 );
}
for( i = 0; i < (lag + LTP_ORDER/2); i++ ) {
- psDec->sLTP_Q16[ psDec->sLTP_buf_idx - i - 1 ] = SKP_SMULWB( inv_gain_Q32, sLTP[ psDec->ltp_mem_length - i - 1 ] );
+ psDec->sLTP_Q16[ sLTP_buf_idx - i - 1 ] = SKP_SMULWB( inv_gain_Q32, sLTP[ psDec->ltp_mem_length - i - 1 ] );
}
} else {
/* Update LTP state when Gain changes */
if( gain_adj_Q16 != ( SKP_int32 )1 << 16 ) {
for( i = 0; i < ( lag + LTP_ORDER / 2 ); i++ ) {
- psDec->sLTP_Q16[ psDec->sLTP_buf_idx - i - 1 ] = SKP_SMULWW( gain_adj_Q16, psDec->sLTP_Q16[ psDec->sLTP_buf_idx - i - 1 ] );
+ psDec->sLTP_Q16[ sLTP_buf_idx - i - 1 ] = SKP_SMULWW( gain_adj_Q16, psDec->sLTP_Q16[ sLTP_buf_idx - i - 1 ] );
}
}
}
@@ -160,7 +160,7 @@
/* Long-term prediction */
if( sigtype == SIG_TYPE_VOICED ) {
/* Setup pointer */
- pred_lag_ptr = &psDec->sLTP_Q16[ psDec->sLTP_buf_idx - lag + LTP_ORDER / 2 ];
+ pred_lag_ptr = &psDec->sLTP_Q16[ sLTP_buf_idx - lag + LTP_ORDER / 2 ];
for( i = 0; i < psDec->subfr_length; i++ ) {
/* Unrolled loop */
LTP_pred_Q14 = SKP_SMULWB( pred_lag_ptr[ 0 ], B_Q14[ 0 ] );
@@ -174,8 +174,8 @@
pres_Q10[ i ] = SKP_ADD32( pexc_Q10[ i ], SKP_RSHIFT_ROUND( LTP_pred_Q14, 4 ) );
/* Update states */
- psDec->sLTP_Q16[ psDec->sLTP_buf_idx ] = SKP_LSHIFT( pres_Q10[ i ], 6 );
- psDec->sLTP_buf_idx++;
+ psDec->sLTP_Q16[ sLTP_buf_idx ] = SKP_LSHIFT( pres_Q10[ i ], 6 );
+ sLTP_buf_idx++;
}
} else {
SKP_memcpy( pres_Q10, pexc_Q10, psDec->subfr_length * sizeof( SKP_int32 ) );
--- a/src_common/SKP_Silk_decode_frame.c
+++ b/src_common/SKP_Silk_decode_frame.c
@@ -25,7 +25,6 @@
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
***********************************************************************/
-
#include "SKP_Silk_main.h"
#include "SKP_Silk_PLC.h"
@@ -36,7 +35,7 @@
SKP_Silk_decoder_state *psDec, /* I/O Pointer to Silk decoder state */
ec_dec *psRangeDec, /* I/O Compressor data structure */
SKP_int16 pOut[], /* O Pointer to output speech frame */
- SKP_int16 *pN, /* O Pointer to size of output frame */
+ SKP_int32 *pN, /* O Pointer to size of output frame */
const SKP_int nBytes, /* I Payload length */
SKP_int action, /* I Action from Jitter Buffer */
SKP_int *decBytes /* O Used bytes to decode this frame */
@@ -78,8 +77,9 @@
if( 0 ) { //psDec->sRC.error ) {
psDec->nBytesLeft = 0;
- action = 1; /* PLC operation */
- SKP_Silk_decoder_set_fs( psDec, fs_Khz_old, nb_subfr_old );
+ action = 1; /* PLC operation */
+ psDec->nb_subfr = nb_subfr_old;
+ SKP_Silk_decoder_set_fs( psDec, fs_Khz_old );
/* Avoid crashing */
*decBytes = psRangeDec->buf->storage;
@@ -122,7 +122,6 @@
if( action == 1 ) {
/* Handle packet loss by extrapolation */
SKP_Silk_PLC( psDec, &sDecCtrl, pOut, L, action );
- psDec->lossCnt++;
}
/*************************/
@@ -161,6 +160,7 @@
/* Update some decoder state variables */
psDec->lagPrev = sDecCtrl.pitchL[ MAX_NB_SUBFR - 1 ];
+
TOC(decode_frame)
return ret;
--- a/src_common/SKP_Silk_decode_indices.c
+++ b/src_common/SKP_Silk_decode_indices.c
@@ -33,31 +33,12 @@
ec_dec *psRangeDec /* I/O Compressor data structure */
)
{
- SKP_int i, k, Ix, fs_kHz_dec, nb_subfr, FrameIndex = 0, FrameTermination;
+ SKP_int i, k, Ix, FrameIndex;
SKP_int sigtype, QuantOffsetType, seed_int, nBytesUsed;
SKP_int decode_absolute_lagIndex, delta_lagIndex, prev_lagIndex = 0;
const SKP_Silk_NLSF_CB_struct *psNLSF_CB = NULL;
- /************************/
- /* Decode sampling rate */
- /************************/
- /* only done for first frame of packet */
- if( psDec->nFramesDecoded == 0 ) {
- SKP_Silk_range_decoder( &Ix, psRangeDec, SKP_Silk_SamplingRates_CDF, SKP_Silk_SamplingRates_offset );
- fs_kHz_dec = SKP_Silk_SamplingRates_table[ Ix ];
-
- /* Convert number of subframes to index */
- SKP_Silk_range_decoder( &Ix, psRangeDec, SKP_Silk_NbSubframes_CDF, SKP_Silk_NbSubframes_offset );
- nb_subfr = (Ix + 1) << 1;
- SKP_assert( nb_subfr == MAX_NB_SUBFR >> 1 || nb_subfr == MAX_NB_SUBFR );
-
- SKP_Silk_decoder_set_fs( psDec, fs_kHz_dec, nb_subfr );
-
- FrameIndex = 0;
- FrameTermination = SKP_SILK_MORE_FRAMES;
- }
-
- while( FrameTermination == SKP_SILK_MORE_FRAMES ) {
+ for( FrameIndex = 0; FrameIndex < psDec->nFramesInPacket; FrameIndex++ ) {
/*******************/
/* Decode VAD flag */
/*******************/
@@ -173,23 +154,19 @@
/***************/
SKP_Silk_range_decoder( &seed_int, psRangeDec, SKP_Silk_Seed_CDF, SKP_Silk_Seed_offset );
psDec->Seed[ FrameIndex ] = ( SKP_int32 )seed_int;
- /**************************************/
- /* Decode Frame termination indicator */
- /**************************************/
- SKP_Silk_range_decoder( &FrameTermination, psRangeDec, SKP_Silk_FrameTermination_CDF, SKP_Silk_FrameTermination_offset );
psDec->sigtype[ FrameIndex ] = sigtype;
psDec->QuantOffsetType[ FrameIndex ] = QuantOffsetType;
-
- FrameIndex++;
}
+ /**************************************/
+ /* Decode Frame termination indicator */
+ /**************************************/
+ SKP_Silk_range_decoder( &psDec->FrameTermination, psRangeDec, SKP_Silk_FrameTermination_CDF, SKP_Silk_FrameTermination_offset );
+
/****************************************/
/* get number of bytes used so far */
/****************************************/
nBytesUsed = SKP_RSHIFT( ec_dec_tell( psRangeDec, 0 ) + 7, 3 );
psDec->nBytesLeft = psRangeDec->buf->storage - nBytesUsed;
-
- psDec->nFramesInPacket = FrameIndex;
- psDec->FrameTermination = FrameTermination;
}
--- a/src_common/SKP_Silk_decode_parameters.c
+++ b/src_common/SKP_Silk_decode_parameters.c
@@ -41,7 +41,6 @@
const SKP_int16 *cbk_ptr_Q14;
const SKP_Silk_NLSF_CB_struct *psNLSF_CB = NULL;
- psDec->FrameTermination = SKP_SILK_MORE_FRAMES;
psDecCtrl->sigtype = psDec->sigtype[ psDec->nFramesDecoded ];
psDecCtrl->QuantOffsetType = psDec->QuantOffsetType[ psDec->nFramesDecoded ];
psDec->vadFlag = psDec->vadFlagBuf[ psDec->nFramesDecoded ];
@@ -51,10 +50,10 @@
/* Dequant Gains */
SKP_Silk_gains_dequant( psDecCtrl->Gains_Q16, psDec->GainsIndices[ psDec->nFramesDecoded ],
&psDec->LastGainIndex, psDec->nFramesDecoded, psDec->nb_subfr );
+
/****************/
/* Decode NLSFs */
/****************/
-
/* Set pointer to NLSF VQ CB for the current signal type */
psNLSF_CB = psDec->psNLSF_CB[ psDecCtrl->sigtype ];
@@ -107,7 +106,7 @@
/* Decode LTP gains */
/********************/
psDecCtrl->PERIndex = psDec->PERIndex[ psDec->nFramesDecoded ];
-
+
/* Decode Codebook Index */
cbk_ptr_Q14 = SKP_Silk_LTP_vq_ptrs_Q14[ psDecCtrl->PERIndex ]; /* set pointer to start of codebook */
@@ -114,7 +113,7 @@
for( k = 0; k < psDec->nb_subfr; k++ ) {
Ix = psDec->LTPIndex[ psDec->nFramesDecoded ][ k ];
for( i = 0; i < LTP_ORDER; i++ ) {
- psDecCtrl->LTPCoef_Q14[ SKP_SMULBB( k, LTP_ORDER ) + i ] = cbk_ptr_Q14[ SKP_SMULBB( Ix, LTP_ORDER ) + i ];
+ psDecCtrl->LTPCoef_Q14[ k * LTP_ORDER + i ] = cbk_ptr_Q14[ Ix * LTP_ORDER + i ];
}
}
@@ -125,8 +124,8 @@
psDecCtrl->LTP_scale_Q14 = SKP_Silk_LTPScales_table_Q14[ Ix ];
} else {
SKP_assert( psDecCtrl->sigtype == SIG_TYPE_UNVOICED );
- SKP_memset( psDecCtrl->pitchL, 0, psDec->nb_subfr * sizeof( SKP_int ) );
- SKP_memset( psDecCtrl->LTPCoef_Q14, 0, psDec->nb_subfr * LTP_ORDER * sizeof( SKP_int16 ) );
+ SKP_memset( psDecCtrl->pitchL, 0, psDec->nb_subfr * sizeof( SKP_int ) );
+ SKP_memset( psDecCtrl->LTPCoef_Q14, 0, LTP_ORDER * psDec->nb_subfr * sizeof( SKP_int16 ) );
psDecCtrl->PERIndex = 0;
psDecCtrl->LTP_scale_Q14 = 0;
}
@@ -143,9 +142,4 @@
/****************************************/
nBytesUsed = SKP_RSHIFT( ec_dec_tell( psRangeDec, 0 ) + 7, 3 );
psDec->nBytesLeft = psRangeDec->buf->storage - nBytesUsed;
-
- if( psDec->nFramesInPacket == (psDec->nFramesDecoded + 1)) {
- /* To indicate the packet has been fully decoded */
- psDec->FrameTermination = SKP_SILK_LAST_FRAME;
- }
}
--- a/src_common/SKP_Silk_decoder_set_fs.c
+++ b/src_common/SKP_Silk_decoder_set_fs.c
@@ -30,12 +30,10 @@
/* Set decoder sampling rate */
void SKP_Silk_decoder_set_fs(
SKP_Silk_decoder_state *psDec, /* I/O Decoder state pointer */
- SKP_int fs_kHz, /* I Sampling frequency (kHz) */
- SKP_int nb_subfr /* I Number of subframes */
+ SKP_int fs_kHz /* I Sampling frequency (kHz) */
)
{
- psDec->nb_subfr = nb_subfr;
- psDec->frame_length = SKP_SMULBB( psDec->nb_subfr, psDec->subfr_length );
+ psDec->frame_length = SKP_SMULBB( psDec->nb_subfr, psDec->subfr_length );
if( psDec->fs_kHz != fs_kHz ) {
psDec->fs_kHz = fs_kHz;
psDec->subfr_length = SKP_SMULBB( SUB_FRAME_LENGTH_MS, fs_kHz );
@@ -55,7 +53,6 @@
SKP_memset( psDec->outBuf, 0, MAX_FRAME_LENGTH * sizeof( SKP_int16 ) );
SKP_memset( psDec->prevNLSF_Q15, 0, MAX_LPC_ORDER * sizeof( SKP_int ) );
- psDec->sLTP_buf_idx = 0;
psDec->lagPrev = 100;
psDec->LastGainIndex = 1;
psDec->prev_sigtype = 0;
--- a/src_common/SKP_Silk_define.h
+++ b/src_common/SKP_Silk_define.h
@@ -31,6 +31,10 @@
#include "SKP_Silk_errors.h"
#include "SKP_Silk_typedef.h"
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#ifdef __cplusplus
extern "C"
{
@@ -45,11 +49,9 @@
/* MAX DELTA LAG used for multiframe packets */
#define MAX_DELTA_LAG 10
-/* Lower limit on bitrate for each mode */
-#define MIN_TARGET_RATE_NB_BPS 5000
-#define MIN_TARGET_RATE_MB_BPS 7000
-#define MIN_TARGET_RATE_WB_BPS 8000
-#define MIN_TARGET_RATE_SWB_BPS 20000
+/* Limits on bitrate */
+#define MIN_TARGET_RATE_BPS 5000
+#define MAX_TARGET_RATE_BPS 100000
/* Transition bitrates between modes */
#define SWB2WB_BITRATE_BPS 25000
@@ -80,17 +82,9 @@
#define INBAND_FEC_MIN_RATE_BPS 18000 /* Dont use inband FEC below this total target rate */
#define LBRR_LOSS_THRES 2 /* Start adding LBRR at this loss rate (needs tuning) */
-/* LBRR usage defines */
-#define SKP_SILK_NO_LBRR 0 /* No LBRR information for this packet */
-#define SKP_SILK_ADD_LBRR_TO_PLUS1 1 /* Add LBRR for this packet to packet n + 1 */
-#define SKP_SILK_ADD_LBRR_TO_PLUS2 2 /* Add LBRR for this packet to packet n + 2 */
-
/* Frame termination indicator defines */
-#define SKP_SILK_LAST_FRAME 0 /* Last frames in packet */
-#define SKP_SILK_MORE_FRAMES 1 /* More frames to follow this one */
-#define SKP_SILK_LBRR_VER1 2 /* LBRR information from packet n - 1 */
-#define SKP_SILK_LBRR_VER2 3 /* LBRR information from packet n - 2 */
-#define SKP_SILK_EXT_LAYER 4 /* Extension layers added */
+#define SKP_SILK_NO_LBRR 0
+#define SKP_SILK_LBRR 1
/* Number of Second order Sections for SWB detection HP filter */
#define NB_SOS 3
@@ -102,7 +96,7 @@
#define LOW_COMPLEXITY_ONLY 0
/* Activate bandwidth transition filtering for mode switching */
-# define SWITCH_TRANSITION_FILTERING 1
+#define SWITCH_TRANSITION_FILTERING 1
/* Decoder Parameters */
#define DEC_HP_ORDER 2
@@ -122,7 +116,7 @@
/* Number of subframes */
#define MAX_NB_SUBFR 4
-/* number of samples per frame */
+/* Number of samples per frame */
#define LTP_MEM_LENGTH_MS 20
#define SUB_FRAME_LENGTH_MS 5
#define MAX_SUB_FRAME_LENGTH ( SUB_FRAME_LENGTH_MS * MAX_FS_KHZ )
@@ -129,39 +123,32 @@
#define MAX_FRAME_LENGTH_MS ( SUB_FRAME_LENGTH_MS * MAX_NB_SUBFR )
#define MAX_FRAME_LENGTH ( MAX_FRAME_LENGTH_MS * MAX_FS_KHZ )
-/* number of lookahead samples for pitch analysis */
-#define LA_PITCH_MS 3
-#define LA_PITCH_MAX (LA_PITCH_MS * MAX_FS_KHZ)
+/* Milliseconds of lookahead for pitch analysis */
+#define LA_PITCH_MS 2
+#define LA_PITCH_MAX ( LA_PITCH_MS * MAX_FS_KHZ )
-/* number of lookahead samples for noise shape analysis */
-#define LA_SHAPE_MS 5
-#define LA_SHAPE_MAX (LA_SHAPE_MS * MAX_FS_KHZ)
-
/* Order of LPC used in find pitch */
#define MAX_FIND_PITCH_LPC_ORDER 16
/* Length of LPC window used in find pitch */
-#define FIND_PITCH_LPC_WIN_MS (30 + (LA_PITCH_MS << 1))
-#define FIND_PITCH_LPC_WIN_MS_2_SF (15 + (LA_PITCH_MS << 1))
-#define FIND_PITCH_LPC_WIN_MAX (FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ)
+#define FIND_PITCH_LPC_WIN_MS ( 20 + (LA_PITCH_MS << 1) )
+#define FIND_PITCH_LPC_WIN_MS_2_SF ( 10 + (LA_PITCH_MS << 1) )
+#define FIND_PITCH_LPC_WIN_MAX ( FIND_PITCH_LPC_WIN_MS * MAX_FS_KHZ )
#define PITCH_EST_COMPLEXITY_HC_MODE SKP_Silk_PE_MAX_COMPLEX
#define PITCH_EST_COMPLEXITY_MC_MODE SKP_Silk_PE_MID_COMPLEX
#define PITCH_EST_COMPLEXITY_LC_MODE SKP_Silk_PE_MIN_COMPLEX
+/* Milliseconds of lookahead for noise shape analysis */
+#define LA_SHAPE_MS 5
+#define LA_SHAPE_MAX ( LA_SHAPE_MS * MAX_FS_KHZ )
+/* Maximum length of LPC window used in noise shape analysis */
+#define SHAPE_LPC_WIN_MAX ( 15 * MAX_FS_KHZ )
+
/* Max number of bytes in payload output buffer (may contain multiple frames) */
#define MAX_ARITHM_BYTES 1024
-#define RANGE_CODER_WRITE_BEYOND_BUFFER -1
-#define RANGE_CODER_CDF_OUT_OF_RANGE -2
-#define RANGE_CODER_NORMALIZATION_FAILED -3
-#define RANGE_CODER_ZERO_INTERVAL_WIDTH -4
-#define RANGE_CODER_DECODER_CHECK_FAILED -5
-#define RANGE_CODER_READ_BEYOND_BUFFER -6
-#define RANGE_CODER_ILLEGAL_SAMPLING_RATE -7
-#define RANGE_CODER_DEC_PAYLOAD_TOO_LONG -8
-
/* dB level of lowest gain quantization level */
#define MIN_QGAIN_DB 6
/* dB level of highest gain quantization level */
@@ -199,12 +186,6 @@
#define HARM_SHAPE_FIR_TAPS 3
-/* Length of LPC window used in noise shape analysis */
-#define SHAPE_LPC_WIN_MS 15
-#define SHAPE_LPC_WIN_16_KHZ (SHAPE_LPC_WIN_MS * 16)
-#define SHAPE_LPC_WIN_24_KHZ (SHAPE_LPC_WIN_MS * 24)
-#define SHAPE_LPC_WIN_MAX (SHAPE_LPC_WIN_MS * MAX_FS_KHZ)
-
/* Maximum number of delayed decision states */
#define MAX_DEL_DEC_STATES 4
@@ -259,9 +240,9 @@
/******************/
/* NLSF quantizer */
/******************/
-# define NLSF_MSVQ_MAX_CB_STAGES 10 /* Update manually when changing codebooks */
-# define NLSF_MSVQ_MAX_VECTORS_IN_STAGE 128 /* Update manually when changing codebooks */
-# define NLSF_MSVQ_MAX_VECTORS_IN_STAGE_TWO_TO_END 16 /* Update manually when changing codebooks */
+#define NLSF_MSVQ_MAX_CB_STAGES 10 /* Update manually when changing codebooks */
+#define NLSF_MSVQ_MAX_VECTORS_IN_STAGE 64 /* Update manually when changing codebooks */
+#define NLSF_MSVQ_MAX_VECTORS_IN_STAGE_TWO_TO_END 16 /* Update manually when changing codebooks */
#define NLSF_MSVQ_FLUCTUATION_REDUCTION 1
#define MAX_NLSF_MSVQ_SURVIVORS 16
@@ -281,7 +262,7 @@
# define NLSF_MSVQ_TREE_SEARCH_MAX_VECTORS_EVALUATED MAX_NLSF_MSVQ_SURVIVORS * NLSF_MSVQ_MAX_VECTORS_IN_STAGE_TWO_TO_END
#endif
-#define NLSF_MSVQ_SURV_MAX_REL_RD 4
+#define NLSF_MSVQ_SURV_MAX_REL_RD 0.1f /* Must be < 0.5 */
/* Transition filtering for mode switching */
#if SWITCH_TRANSITION_FILTERING
@@ -298,12 +279,6 @@
/* BWE factors to apply after packet loss */
#define BWE_AFTER_LOSS_Q16 63570
-
-/*************************/
-/* Perceptual parameters */
-/*************************/
-/* Amount of warping to apply */
-#define WARPING_MULTIPLIER_Q16 SKP_FIX_CONST( 0.02, 16 )
/* Defines for CN generation */
#define CNG_BUF_MASK_MAX 255 /* 2^floor(log2(MAX_FRAME_LENGTH))-1 */
--- a/src_common/SKP_Silk_enc_API.c
+++ b/src_common/SKP_Silk_enc_API.c
@@ -44,7 +44,7 @@
#define SKP_Silk_control_encoder_Fxx SKP_Silk_control_encoder_FLP
#define SKP_Silk_encode_frame_Fxx SKP_Silk_encode_frame_FLP
#endif
-#define SKP_Silk_EncodeControlStruct SKP_SILK_SDK_EncControlStruct
+#define SKP_Silk_EncodeControlStruct SKP_SILK_SDK_EncControlStruct
/****************************************/
@@ -70,18 +70,21 @@
)
{
SKP_Silk_encoder_state_Fxx *psEnc;
- SKP_int ret = SKP_SILK_NO_ERROR;
+ SKP_int ret = SKP_SILK_NO_ERROR;
psEnc = ( SKP_Silk_encoder_state_Fxx* )encState;
encStatus->API_sampleRate = psEnc->sCmn.API_fs_Hz;
encStatus->maxInternalSampleRate = SKP_SMULBB( psEnc->sCmn.maxInternal_fs_kHz, 1000 );
- encStatus->packetSize = ( SKP_int )SKP_DIV32_16( psEnc->sCmn.API_fs_Hz * psEnc->sCmn.PacketSize_ms, 1000 ); /* convert samples -> ms */
+ encStatus->minInternalSampleRate = SKP_SMULBB( psEnc->sCmn.minInternal_fs_kHz, 1000 );
+ encStatus->payloadSize_ms = psEnc->sCmn.PacketSize_ms;
encStatus->bitRate = psEnc->sCmn.TargetRate_bps;
encStatus->packetLossPercentage = psEnc->sCmn.PacketLoss_perc;
encStatus->complexity = psEnc->sCmn.Complexity;
encStatus->useInBandFEC = psEnc->sCmn.useInBandFEC;
encStatus->useDTX = psEnc->sCmn.useDTX;
+ encStatus->useCBR = psEnc->sCmn.useCBR;
+ encStatus->internalSampleRate = SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 );
return ret;
}
@@ -118,17 +121,16 @@
/**************************/
SKP_int SKP_Silk_SDK_Encode(
void *encState, /* I/O: State */
- const SKP_Silk_EncodeControlStruct *encControl, /* I: Control structure */
+ SKP_Silk_EncodeControlStruct *encControl, /* I: Control structure */
const SKP_int16 *samplesIn, /* I: Speech sample input vector */
SKP_int nSamplesIn, /* I: Number of samples in input vector */
ec_enc *psRangeEnc, /* I/O Compressor data structure */
- SKP_int16 *nBytesOut /* I/O: Number of bytes in payload (input: Max bytes) */
+ SKP_int32 *nBytesOut /* I/O: Number of bytes in payload (input: Max bytes) */
)
{
- SKP_int max_internal_fs_kHz, PacketSize_ms, PacketLoss_perc, UseInBandFEC, UseDTX, ret = SKP_SILK_NO_ERROR;
- SKP_int nSamplesToBuffer, Complexity, input_ms, nSamplesFromInput = 0;
- SKP_int32 TargetRate_bps, API_fs_Hz;
- SKP_int16 MaxBytesOut;
+ SKP_int max_internal_fs_kHz, min_internal_fs_kHz, PacketSize_ms, PacketLoss_perc, UseInBandFEC, ret = SKP_SILK_NO_ERROR;
+ SKP_int nSamplesToBuffer, Complexity, input_10ms, nSamplesFromInput = 0;
+ SKP_int32 TargetRate_bps, API_fs_Hz, MaxBytesOut;
SKP_Silk_encoder_state_Fxx *psEnc = ( SKP_Silk_encoder_state_Fxx* )encState;
SKP_assert( encControl != NULL );
@@ -144,50 +146,74 @@
( ( encControl->maxInternalSampleRate != 8000 ) &&
( encControl->maxInternalSampleRate != 12000 ) &&
( encControl->maxInternalSampleRate != 16000 ) &&
- ( encControl->maxInternalSampleRate != 24000 ) ) ) {
+ ( encControl->maxInternalSampleRate != 24000 ) ) ||
+ ( ( encControl->minInternalSampleRate != 8000 ) &&
+ ( encControl->minInternalSampleRate != 12000 ) &&
+ ( encControl->minInternalSampleRate != 16000 ) &&
+ ( encControl->minInternalSampleRate != 24000 ) ) ||
+ ( encControl->minInternalSampleRate > encControl->maxInternalSampleRate ) ) {
ret = SKP_SILK_ENC_FS_NOT_SUPPORTED;
SKP_assert( 0 );
return( ret );
}
+ if( encControl->useDTX < 0 || encControl->useDTX > 1 ) {
+ ret = SKP_SILK_ENC_INVALID_DTX_SETTING;
+ }
+ if( encControl->useCBR < 0 || encControl->useCBR > 1 ) {
+ ret = SKP_SILK_ENC_INVALID_DTX_SETTING;
+ }
+
/* Set encoder parameters from control structure */
- API_fs_Hz = encControl->API_sampleRate;
- max_internal_fs_kHz = SKP_DIV32_16( ( SKP_int )encControl->maxInternalSampleRate, 1000 ); /* convert Hz -> kHz */
- PacketSize_ms = SKP_DIV32( 1000 * ( SKP_int )encControl->packetSize, API_fs_Hz );
- TargetRate_bps = ( SKP_int32 )encControl->bitRate;
- PacketLoss_perc = ( SKP_int )encControl->packetLossPercentage;
- UseInBandFEC = ( SKP_int )encControl->useInBandFEC;
- Complexity = ( SKP_int )encControl->complexity;
- UseDTX = ( SKP_int )encControl->useDTX;
+ API_fs_Hz = encControl->API_sampleRate;
+ max_internal_fs_kHz = (SKP_int)( encControl->maxInternalSampleRate >> 10 ) + 1; /* convert Hz -> kHz */
+ min_internal_fs_kHz = (SKP_int)( encControl->minInternalSampleRate >> 10 ) + 1; /* convert Hz -> kHz */
+ PacketSize_ms = encControl->payloadSize_ms;
+ TargetRate_bps = encControl->bitRate;
+ PacketLoss_perc = encControl->packetLossPercentage;
+ UseInBandFEC = encControl->useInBandFEC;
+ Complexity = encControl->complexity;
+ psEnc->sCmn.useDTX = encControl->useDTX;
+ psEnc->sCmn.useCBR = encControl->useCBR;
+
/* Save values in state */
psEnc->sCmn.API_fs_Hz = API_fs_Hz;
psEnc->sCmn.maxInternal_fs_kHz = max_internal_fs_kHz;
+ psEnc->sCmn.minInternal_fs_kHz = min_internal_fs_kHz;
psEnc->sCmn.useInBandFEC = UseInBandFEC;
- /* Only accept input lengths that are a multiplum of 10 ms */
- input_ms = SKP_DIV32( 1000 * nSamplesIn, API_fs_Hz );
- if( ( input_ms % 10) != 0 || nSamplesIn < 0 ) {
+ /* Only accept input lengths that are a multiple of 10 ms */
+ input_10ms = SKP_DIV32( 100 * nSamplesIn, API_fs_Hz );
+ if( input_10ms * API_fs_Hz != 100 * nSamplesIn || nSamplesIn < 0 ) {
ret = SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES;
SKP_assert( 0 );
return( ret );
}
- /* Make sure no more than one packet can be produced */
- if( nSamplesIn > SKP_DIV32_16( psEnc->sCmn.PacketSize_ms * API_fs_Hz, 1000 ) ) {
- ret = SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES;
+ TargetRate_bps = SKP_LIMIT( TargetRate_bps, MIN_TARGET_RATE_BPS, MAX_TARGET_RATE_BPS );
+ if( ( ret = SKP_Silk_control_encoder_Fxx( psEnc, PacketSize_ms, TargetRate_bps,
+ PacketLoss_perc, Complexity) ) != 0 ) {
SKP_assert( 0 );
return( ret );
}
- if( ( ret = SKP_Silk_control_encoder_Fxx( psEnc, API_fs_Hz, max_internal_fs_kHz, PacketSize_ms, TargetRate_bps,
- PacketLoss_perc, UseInBandFEC, UseDTX, input_ms, Complexity) ) != 0 ) {
+
+ encControl->internalSampleRate = SKP_SMULBB( psEnc->sCmn.fs_kHz, 1000 );
+
+ /* Make sure no more than one packet can be produced */
+ if( 1000 * (SKP_int32)nSamplesIn > psEnc->sCmn.PacketSize_ms * API_fs_Hz ) {
+ ret = SKP_SILK_ENC_INPUT_INVALID_NO_OF_SAMPLES;
SKP_assert( 0 );
return( ret );
}
+#if MAX_FS_KHZ > 16
/* Detect energy above 8 kHz */
- if( SKP_min( API_fs_Hz, 1000 * max_internal_fs_kHz ) == 24000 && psEnc->sCmn.sSWBdetect.SWB_detected == 0 && psEnc->sCmn.sSWBdetect.WB_detected == 0 ) {
+ if( SKP_min( API_fs_Hz, 1000 * max_internal_fs_kHz ) == 24000 &&
+ psEnc->sCmn.sSWBdetect.SWB_detected == 0 &&
+ psEnc->sCmn.sSWBdetect.WB_detected == 0 ) {
SKP_Silk_detect_SWB_input( &psEnc->sCmn.sSWBdetect, samplesIn, ( SKP_int )nSamplesIn );
}
+#endif
/* Input buffering/resampling and encoding */
MaxBytesOut = 0; /* return 0 output bytes if no encoder called */
@@ -199,7 +225,7 @@
/* Copy to buffer */
SKP_memcpy( &psEnc->sCmn.inputBuf[ psEnc->sCmn.inputBufIx ], samplesIn, nSamplesFromInput * sizeof( SKP_int16 ) );
} else {
- nSamplesToBuffer = SKP_min( nSamplesToBuffer, SKP_DIV32( ( SKP_int32 )nSamplesIn * psEnc->sCmn.fs_kHz * 1000, API_fs_Hz ) );
+ nSamplesToBuffer = SKP_min( nSamplesToBuffer, 10 * input_10ms * psEnc->sCmn.fs_kHz );
nSamplesFromInput = SKP_DIV32_16( nSamplesToBuffer * API_fs_Hz, psEnc->sCmn.fs_kHz * 1000 );
/* Resample and write to buffer */
ret += SKP_Silk_resampler( &psEnc->sCmn.resampler_state, &psEnc->sCmn.inputBuf[ psEnc->sCmn.inputBufIx ], samplesIn, nSamplesFromInput );
@@ -210,6 +236,8 @@
/* Silk encoder */
if( psEnc->sCmn.inputBufIx >= psEnc->sCmn.frame_length ) {
+ SKP_assert( psEnc->sCmn.inputBufIx == psEnc->sCmn.frame_length );
+
/* Enough data in input buffer, so encode */
if( MaxBytesOut == 0 ) {
/* No payload obtained so far */
@@ -218,7 +246,7 @@
SKP_assert( 0 );
}
} else {
- /* Already contains a payload */
+ /* outData already contains a payload */
if( ( ret = SKP_Silk_encode_frame_Fxx( psEnc, nBytesOut, psRangeEnc, psEnc->sCmn.inputBuf ) ) != 0 ) {
SKP_assert( 0 );
}
@@ -226,6 +254,11 @@
SKP_assert( *nBytesOut == 0 );
}
psEnc->sCmn.inputBufIx = 0;
+ psEnc->sCmn.controlled_since_last_payload = 0;
+
+ if( nSamplesIn == 0 ) {
+ break;
+ }
} else {
break;
}
--- a/src_common/SKP_Silk_encode_parameters.c
+++ b/src_common/SKP_Silk_encode_parameters.c
@@ -45,26 +45,6 @@
SKP_int nBytes_after, nBytes_before;
#endif
- /*************************************/
- /* Encode sampling rate and */
- /* number of subframes in each frame */
- /*************************************/
- /* only done for first frame in packet */
- if( psEncC->nFramesInPayloadBuf == 0 ) {
- /* get sampling rate index */
- for( i = 0; i < 3; i++ ) {
- if( SKP_Silk_SamplingRates_table[ i ] == psEncC->fs_kHz ) {
- break;
- }
- }
- ec_encode_bin( psRangeEnc, SKP_Silk_SamplingRates_CDF[ i ], SKP_Silk_SamplingRates_CDF[ i + 1 ], 16 );
-
- /* Convert number of subframes to index */
- SKP_assert( psEncC->nb_subfr == MAX_NB_SUBFR >> 1 || psEncC->nb_subfr == MAX_NB_SUBFR );
- i = (psEncC->nb_subfr >> 1) - 1;
- ec_enc_bit_prob( psRangeEnc, i, 65536 - SKP_Silk_NbSubframes_CDF[ 1 ] );
- }
-
/*********************************************/
/* Encode VAD flag */
/*********************************************/
@@ -208,6 +188,7 @@
#ifdef SAVE_ALL_INTERNAL_DATA
nBytes_before = SKP_RSHIFT( ec_enc_tell( psRangeEnc, 0 ) + 7, 3 );
#endif
+
/* PERIndex value */
ec_encode_bin( psRangeEnc, SKP_Silk_LTP_per_index_CDF[ psEncCtrlC->PERIndex ],
SKP_Silk_LTP_per_index_CDF[ psEncCtrlC->PERIndex + 1 ], 16 );
--- a/src_common/SKP_Silk_encode_pulses.c
+++ b/src_common/SKP_Silk_encode_pulses.c
@@ -88,7 +88,6 @@
const SKP_int8 *pulses_ptr;
const SKP_uint16 *cdf_ptr;
const SKP_int16 *nBits_ptr;
- //extern SKP_int nbits_extra;
SKP_memset( pulses_comb, 0, 8 * sizeof( SKP_int ) ); // Fixing Valgrind reported problem
--- a/src_common/SKP_Silk_main.h
+++ b/src_common/SKP_Silk_main.h
@@ -28,6 +28,11 @@
#ifndef SKP_SILK_MAIN_H
#define SKP_SILK_MAIN_H
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
#include "SKP_Silk_SigProc_FIX.h"
#include "SKP_Silk_define.h"
#include "SKP_Silk_structs.h"
@@ -37,10 +42,6 @@
#include "entenc.h"
#include "entdec.h"
-#ifdef __cplusplus
-extern "C"
-{
-#endif
/* Encodes signs of excitation */
void SKP_Silk_encode_signs(
@@ -62,6 +63,12 @@
const SKP_int RateLevelIndex /* I Rate Level Index */
);
+/* Control internal sampling rate */
+SKP_int SKP_Silk_control_audio_bandwidth(
+ SKP_Silk_encoder_state *psEncC, /* I/O Pointer to Silk encoder state */
+ const SKP_int32 TargetRate_bps /* I Target max bitrate (bps) */
+);
+
/***************/
/* Shell coder */
/***************/
@@ -191,6 +198,7 @@
SKP_int SKP_Silk_VAD_GetSA_Q8( /* O Return value, 0 if success */
SKP_Silk_VAD_state *psSilk_VAD, /* I/O Silk VAD state */
SKP_int *pSA_Q8, /* O Speech activity level in Q8 */
+ SKP_int *pSNR_dB_Q7, /* O SNR for current frame in Q7 */
SKP_int pQuality_Q15[ VAD_N_BANDS ], /* O Smoothed SNR for each band */
SKP_int *pTilt_Q15, /* O current frame's frequency tilt */
const SKP_int16 pIn[], /* I PCM input [framelength] */
@@ -235,8 +243,7 @@
/* Set decoder sampling rate */
void SKP_Silk_decoder_set_fs(
SKP_Silk_decoder_state *psDec, /* I/O Decoder state pointer */
- SKP_int fs_kHz, /* I Sampling frequency (kHz) */
- SKP_int nb_subfr /* I Number of subframes */
+ SKP_int fs_kHz /* I Sampling frequency (kHz) */
);
/****************/
@@ -246,7 +253,7 @@
SKP_Silk_decoder_state *psDec, /* I/O Pointer to Silk decoder state */
ec_dec *psRangeDec, /* I/O Compressor data structure */
SKP_int16 pOut[], /* O Pointer to output speech frame */
- SKP_int16 *pN, /* O Pointer to size of output frame */
+ SKP_int32 *pN, /* O Pointer to size of output frame */
const SKP_int nBytes, /* I Payload length */
SKP_int action, /* I Action from Jitter Buffer */
SKP_int *decBytes /* O Used bytes to decode this frame */
@@ -324,7 +331,7 @@
const SKP_uint8 *indata, /* I: Encoded input vector */
const SKP_int16 nBytesIn, /* I: Number of input Bytes */
SKP_uint8 *Layer0data, /* O: Layer0 payload */
- SKP_int16 *nLayer0Bytes /* O: Number of FEC Bytes */
+ SKP_int32 *nLayer0Bytes /* O: Number of FEC Bytes */
);
/* Resets LBRR buffer, used if packet size changes */
--- /dev/null
+++ b/src_common/SKP_Silk_setup_complexity.h
@@ -1,0 +1,99 @@
+/***********************************************************************
+Copyright (c) 2006-2010, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#include "SKP_Silk_main.h"
+#include "SKP_Silk_tuning_parameters.h"
+
+SKP_INLINE SKP_int SKP_Silk_setup_complexity(
+ SKP_Silk_encoder_state *psEncC, /* I/O */
+ SKP_int Complexity /* I */
+)
+{
+ SKP_int ret = 0;
+
+ /* Check that settings are valid */
+ if( LOW_COMPLEXITY_ONLY && Complexity != 0 ) {
+ ret = SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING;
+ }
+
+ /* Set encoding complexity */
+ if( Complexity == 0 || LOW_COMPLEXITY_ONLY ) {
+ /* Low complexity */
+ psEncC->Complexity = 0;
+ psEncC->pitchEstimationComplexity = PITCH_EST_COMPLEXITY_LC_MODE;
+ psEncC->pitchEstimationThreshold_Q16 = SKP_FIX_CONST( FIND_PITCH_CORRELATION_THRESHOLD_LC_MODE, 16 );
+ psEncC->pitchEstimationLPCOrder = 6;
+ psEncC->shapingLPCOrder = 8;
+ psEncC->la_shape = 3 * psEncC->fs_kHz;
+ psEncC->nStatesDelayedDecision = 1;
+ psEncC->useInterpolatedNLSFs = 0;
+ psEncC->LTPQuantLowComplexity = 1;
+ psEncC->NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS_LC_MODE;
+ psEncC->warping_Q16 = 0;
+ } else if( Complexity == 1 ) {
+ /* Medium complexity */
+ psEncC->Complexity = 1;
+ psEncC->pitchEstimationComplexity = PITCH_EST_COMPLEXITY_MC_MODE;
+ psEncC->pitchEstimationThreshold_Q16 = SKP_FIX_CONST( FIND_PITCH_CORRELATION_THRESHOLD_MC_MODE, 16 );
+ psEncC->pitchEstimationLPCOrder = 12;
+ psEncC->shapingLPCOrder = 12;
+ psEncC->la_shape = 5 * psEncC->fs_kHz;
+ psEncC->nStatesDelayedDecision = 2;
+ psEncC->useInterpolatedNLSFs = 0;
+ psEncC->LTPQuantLowComplexity = 0;
+ psEncC->NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS_MC_MODE;
+ psEncC->warping_Q16 = psEncC->fs_kHz * SKP_FIX_CONST( WARPING_MULTIPLIER, 16 );
+ } else if( Complexity == 2 ) {
+ /* High complexity */
+ psEncC->Complexity = 2;
+ psEncC->pitchEstimationComplexity = PITCH_EST_COMPLEXITY_HC_MODE;
+ psEncC->pitchEstimationThreshold_Q16 = SKP_FIX_CONST( FIND_PITCH_CORRELATION_THRESHOLD_HC_MODE, 16 );
+ psEncC->pitchEstimationLPCOrder = 16;
+ psEncC->shapingLPCOrder = 16;
+ psEncC->la_shape = 5 * psEncC->fs_kHz;
+ psEncC->nStatesDelayedDecision = MAX_DEL_DEC_STATES;
+ psEncC->useInterpolatedNLSFs = 1;
+ psEncC->LTPQuantLowComplexity = 0;
+ psEncC->NLSF_MSVQ_Survivors = MAX_NLSF_MSVQ_SURVIVORS;
+ psEncC->warping_Q16 = psEncC->fs_kHz * SKP_FIX_CONST( WARPING_MULTIPLIER, 16 );
+ } else {
+ ret = SKP_SILK_ENC_INVALID_COMPLEXITY_SETTING;
+ }
+
+ /* Do not allow higher pitch estimation LPC order than predict LPC order */
+ psEncC->pitchEstimationLPCOrder = SKP_min_int( psEncC->pitchEstimationLPCOrder, psEncC->predictLPCOrder );
+ psEncC->shapeWinLength = SUB_FRAME_LENGTH_MS * psEncC->fs_kHz + 2 * psEncC->la_shape;
+
+ SKP_assert( psEncC->pitchEstimationLPCOrder <= MAX_FIND_PITCH_LPC_ORDER );
+ SKP_assert( psEncC->shapingLPCOrder <= MAX_SHAPE_LPC_ORDER );
+ SKP_assert( psEncC->nStatesDelayedDecision <= MAX_DEL_DEC_STATES );
+ SKP_assert( psEncC->warping_Q16 <= 32767 );
+ SKP_assert( psEncC->la_shape <= LA_SHAPE_MAX );
+ SKP_assert( psEncC->shapeWinLength <= SHAPE_LPC_WIN_MAX );
+
+ return( ret );
+}
--- a/src_common/SKP_Silk_structs.h
+++ b/src_common/SKP_Silk_structs.h
@@ -46,7 +46,7 @@
typedef struct {
SKP_int16 xq[ 2 * MAX_FRAME_LENGTH ]; /* Buffer for quantized output signal */
SKP_int32 sLTP_shp_Q10[ 2 * MAX_FRAME_LENGTH ];
- SKP_int32 sLPC_Q14[ MAX_FRAME_LENGTH / MAX_NB_SUBFR + MAX_LPC_ORDER ];
+ SKP_int32 sLPC_Q14[ MAX_FRAME_LENGTH / MAX_NB_SUBFR + NSQ_LPC_BUF_LENGTH ];
SKP_int32 sAR2_Q14[ MAX_SHAPE_LPC_ORDER ];
SKP_int32 sLF_AR_shp_Q12;
SKP_int lagPrev;
@@ -117,8 +117,8 @@
/* Structure for one stage of MSVQ */
typedef struct {
const SKP_int32 nVectors;
- const SKP_int16 *CB_NLSF_Q15;
- const SKP_int16 *Rates_Q5;
+ const SKP_int8 *CB_NLSF_Q8;
+ const SKP_uint8 *Rates_Q4;
} SKP_Silk_NLSF_CBS;
/* Structure containing NLSF MSVQ codebook */
@@ -157,6 +157,7 @@
SKP_int32 API_fs_Hz; /* API sampling frequency (Hz) */
SKP_int32 prev_API_fs_Hz; /* Previous API sampling frequency (Hz) */
SKP_int maxInternal_fs_kHz; /* Maximum internal sampling frequency (kHz) */
+ SKP_int minInternal_fs_kHz; /* Minimum internal sampling frequency (kHz) */
SKP_int fs_kHz; /* Internal sampling frequency (kHz) */
SKP_int fs_kHz_changed; /* Did we switch yet? */
SKP_int nb_subfr; /* Number of 5 ms subframes in a frame */
@@ -165,6 +166,7 @@
SKP_int ltp_mem_length; /* Length of LTP memory */
SKP_int la_pitch; /* Look-ahead for pitch analysis (samples) */
SKP_int la_shape; /* Look-ahead for noise shape analysis (samples) */
+ SKP_int shapeWinLength; /* Window length for noise shape analysis (samples) */
SKP_int32 TargetRate_bps; /* Target bitrate (bps) */
SKP_int PacketSize_ms; /* Number of milliseconds to put in each packet */
SKP_int PacketLoss_perc; /* Packet loss rate measured by farend */
@@ -176,9 +178,13 @@
SKP_int predictLPCOrder; /* Filter order for prediction filters */
SKP_int pitchEstimationComplexity; /* Complexity level for pitch estimator */
SKP_int pitchEstimationLPCOrder; /* Whitening filter order for pitch estimator */
+ SKP_int32 pitchEstimationThreshold_Q16; /* Threshold for pitch estimator */
SKP_int LTPQuantLowComplexity; /* Flag for low complexity LTP quantization */
SKP_int NLSF_MSVQ_Survivors; /* Number of survivors in NLSF MSVQ */
SKP_int first_frame_after_reset; /* Flag for deactivating NLSF interp. and fluc. reduction after resets */
+ SKP_int controlled_since_last_payload; /* Flag for ensuring codec_control only runs once per packet */
+ SKP_int warping_Q16; /* Warping parameter for warped noise shaping */
+ SKP_int useCBR; /* Flag to enable constant bitrate */
/* Input/output buffering */
SKP_int16 inputBuf[ MAX_FRAME_LENGTH ]; /* buffer containin input signal */
@@ -235,7 +241,6 @@
SKP_int NLSFIndices[ NLSF_MSVQ_MAX_CB_STAGES ]; /* NLSF path of quantized LSF vector */
SKP_int NLSFInterpCoef_Q2;
SKP_int GainsIndices[ MAX_NB_SUBFR ];
- SKP_int warping_Q16;
SKP_int32 Seed;
SKP_int LTP_scaleIndex;
SKP_int RateLevelIndex;
@@ -250,7 +255,6 @@
/* Struct for Packet Loss Concealment */
typedef struct {
- SKP_int pitchL[ MAX_NB_SUBFR ]; /* Pitch lag per 5 ms for last 20 ms */
SKP_int32 pitchL_Q8; /* Pitch lag to use for voiced concealment */
SKP_int16 LTPCoef_Q14[ LTP_ORDER ]; /* LTP coeficients to use for voiced concealment */
SKP_int16 prevLPC_Q12[ MAX_LPC_ORDER ];
@@ -285,7 +289,6 @@
SKP_int32 exc_Q10[ MAX_FRAME_LENGTH ];
SKP_int32 res_Q10[ MAX_FRAME_LENGTH ];
SKP_int16 outBuf[ 2 * MAX_FRAME_LENGTH ]; /* Buffer for output signal */
- SKP_int sLTP_buf_idx; /* LTP_buf_index */
SKP_int lagPrev; /* Previous Lag */
SKP_int LastGainIndex; /* Previous gain index */
SKP_int LastGainIndex_EnhLayer; /* Previous gain index */
@@ -353,7 +356,7 @@
SKP_int32 Gains_Q16[ MAX_NB_SUBFR ];
SKP_int32 Seed;
/* holds interpolated and final coefficients, 4-byte aligned */
- SKP_array_of_int16_4_byte_aligned( PredCoef_Q12[ 2 ], MAX_LPC_ORDER );
+ SKP_DWORD_ALIGN SKP_int16 PredCoef_Q12[ 2 ][ MAX_LPC_ORDER ];
SKP_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ];
SKP_int LTP_scale_Q14;
--- a/src_common/SKP_Silk_tables.h
+++ b/src_common/SKP_Silk_tables.h
@@ -100,13 +100,6 @@
extern const SKP_uint16 SKP_Silk_vadflag_CDF[ 3 ]; /* 3 */
extern const SKP_int SKP_Silk_vadflag_offset;
-extern const SKP_int SKP_Silk_SamplingRates_table[ 4 ]; /* 4 */
-extern const SKP_uint16 SKP_Silk_SamplingRates_CDF[ 5 ]; /* 5 */
-extern const SKP_int SKP_Silk_SamplingRates_offset;
-
-extern const SKP_uint16 SKP_Silk_NbSubframes_CDF[ 3 ]; /* 3 */
-extern const SKP_int SKP_Silk_NbSubframes_offset;
-
extern const SKP_uint16 SKP_Silk_NLSF_interpolation_factor_CDF[ 6 ];
extern const SKP_int SKP_Silk_NLSF_interpolation_factor_offset;
@@ -148,7 +141,7 @@
extern const SKP_int16 SKP_Silk_Dec_B_HP_8[ DEC_HP_ORDER + 1 ]; /* 3 */
/* Table for frame termination indication */
-extern const SKP_uint16 SKP_Silk_FrameTermination_CDF[ 6 ];
+extern const SKP_uint16 SKP_Silk_FrameTermination_CDF[ 3 ];
extern const SKP_int SKP_Silk_FrameTermination_offset;
/* Table for random seed */
--- a/src_common/SKP_Silk_tables_NLSF_CB0_10.c
+++ b/src_common/SKP_Silk_tables_NLSF_CB0_10.c
@@ -28,139 +28,149 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 0.29 + 2.66 kB */
+/* ROM usage: 0.31 + 1.43 kB */
/**********************************************/
#include "SKP_Silk_structs.h"
+#include "SKP_Silk_tables.h"
#include "SKP_Silk_tables_NLSF_CB0_10.h"
const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ NLSF_MSVQ_CB0_10_VECTORS + NLSF_MSVQ_CB0_10_STAGES ] =
{
0,
- 2658,
- 4420,
- 6107,
- 7757,
- 9408,
- 10955,
- 12502,
- 13983,
- 15432,
- 16882,
- 18331,
- 19750,
- 21108,
- 22409,
- 23709,
- 25010,
- 26256,
- 27501,
- 28747,
- 29965,
- 31158,
- 32351,
- 33544,
- 34736,
- 35904,
- 36997,
- 38091,
- 39185,
- 40232,
- 41280,
- 42327,
- 43308,
- 44290,
- 45271,
- 46232,
- 47192,
- 48132,
- 49032,
- 49913,
- 50775,
- 51618,
- 52462,
- 53287,
- 54095,
- 54885,
- 55675,
- 56449,
- 57222,
- 57979,
- 58688,
- 59382,
- 60076,
- 60726,
- 61363,
- 61946,
- 62505,
- 63052,
- 63543,
- 63983,
- 64396,
- 64766,
- 65023,
+ 2433,
+ 4865,
+ 7096,
+ 8971,
+ 10549,
+ 12126,
+ 13636,
+ 15147,
+ 16657,
+ 18104,
+ 19550,
+ 20996,
+ 22381,
+ 23766,
+ 25093,
+ 26419,
+ 27745,
+ 29016,
+ 30232,
+ 31448,
+ 32664,
+ 33780,
+ 34895,
+ 36010,
+ 37078,
+ 38146,
+ 39169,
+ 40192,
+ 41215,
+ 42194,
+ 43173,
+ 44153,
+ 45091,
+ 46028,
+ 46966,
+ 47904,
+ 48842,
+ 49740,
+ 50638,
+ 51498,
+ 52358,
+ 53218,
+ 54042,
+ 54865,
+ 55689,
+ 56478,
+ 57266,
+ 58055,
+ 58810,
+ 59565,
+ 60321,
+ 61044,
+ 61652,
+ 62260,
+ 62868,
+ 63337,
+ 63683,
+ 64001,
+ 64257,
+ 64512,
+ 64768,
+ 65024,
65279,
65535,
0,
- 4977,
- 9542,
- 14106,
- 18671,
- 23041,
- 27319,
- 31596,
- 35873,
- 39969,
- 43891,
- 47813,
- 51652,
- 55490,
- 59009,
- 62307,
+ 5110,
+ 10220,
+ 15114,
+ 19800,
+ 24097,
+ 28394,
+ 32691,
+ 36988,
+ 41285,
+ 45225,
+ 48999,
+ 52612,
+ 56226,
+ 59839,
+ 62749,
65535,
0,
- 8571,
- 17142,
- 25529,
- 33917,
- 42124,
- 49984,
- 57844,
+ 8964,
+ 17928,
+ 26148,
+ 34368,
+ 42588,
+ 50459,
+ 57997,
65535,
0,
- 8732,
- 17463,
- 25825,
- 34007,
- 42189,
- 50196,
- 58032,
+ 10142,
+ 19048,
+ 27576,
+ 36104,
+ 44271,
+ 52091,
+ 58959,
65535,
0,
- 8948,
- 17704,
- 25733,
- 33762,
- 41791,
- 49821,
- 57678,
+ 8874,
+ 17371,
+ 25869,
+ 34366,
+ 42158,
+ 49951,
+ 57743,
65535,
0,
- 4374,
- 8655,
- 12936,
- 17125,
- 21313,
- 25413,
- 29512,
- 33611,
- 37710,
- 41809,
- 45820,
- 49832,
- 53843,
- 57768,
- 61694,
+ 8970,
+ 17560,
+ 25786,
+ 34012,
+ 42238,
+ 50115,
+ 57992,
+ 65535,
+ 0,
+ 4875,
+ 9750,
+ 14418,
+ 19086,
+ 23754,
+ 28422,
+ 32892,
+ 37173,
+ 41272,
+ 45371,
+ 49297,
+ 52896,
+ 56496,
+ 59797,
+ 63098,
65535
};
@@ -171,710 +181,757 @@
&SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ 82 ],
&SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ 91 ],
&SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ 100 ],
- &SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ 109 ]
+ &SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ 109 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ 118 ]
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB0_10_CDF_middle_idx[ NLSF_MSVQ_CB0_10_STAGES ] =
{
- 23,
+ 22,
8,
5,
5,
5,
- 9
+ 5,
+ 8
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ NLSF_MSVQ_CB0_10_VECTORS ] =
+const SKP_uint8 SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ NLSF_MSVQ_CB0_10_VECTORS ] =
{
- 148, 167,
- 169, 170,
- 170, 173,
- 173, 175,
- 176, 176,
- 176, 177,
- 179, 181,
- 181, 181,
- 183, 183,
- 183, 184,
- 185, 185,
- 185, 185,
- 186, 189,
- 189, 189,
- 191, 191,
- 191, 194,
- 194, 194,
- 195, 195,
- 196, 198,
- 199, 200,
- 201, 201,
- 202, 203,
- 204, 204,
- 205, 205,
- 206, 209,
- 210, 210,
- 213, 214,
- 218, 220,
- 221, 226,
- 231, 234,
- 239, 256,
- 256, 256,
- 119, 123,
- 123, 123,
- 125, 126,
- 126, 126,
- 128, 130,
- 130, 131,
- 131, 135,
- 138, 139,
+ 76, 76,
+ 78, 82,
+ 86, 86,
+ 87, 87,
+ 87, 88,
+ 88, 88,
+ 89, 89,
+ 90, 90,
+ 90, 91,
+ 92, 92,
+ 92, 94,
94, 94,
95, 95,
- 96, 98,
- 98, 99,
- 93, 93,
- 95, 96,
+ 96, 96,
96, 97,
- 98, 100,
- 92, 93,
97, 97,
- 97, 97,
98, 98,
- 125, 126,
- 126, 127,
- 127, 128,
+ 98, 98,
+ 98, 99,
+ 99, 100,
+ 100, 100,
+ 101, 101,
+ 101, 102,
+ 102, 102,
+ 103, 103,
+ 103, 104,
+ 108, 108,
+ 108, 114,
+ 121, 123,
128, 128,
128, 128,
- 129, 129,
- 129, 130,
- 130, 131
+ 128, 128,
+ 59, 59,
+ 60, 61,
+ 63, 63,
+ 63, 63,
+ 63, 65,
+ 66, 67,
+ 67, 67,
+ 72, 73,
+ 46, 46,
+ 48, 48,
+ 48, 49,
+ 50, 50,
+ 43, 46,
+ 47, 47,
+ 48, 49,
+ 52, 53,
+ 46, 47,
+ 47, 47,
+ 49, 49,
+ 49, 49,
+ 46, 47,
+ 48, 48,
+ 48, 49,
+ 49, 50,
+ 60, 60,
+ 61, 61,
+ 61, 61,
+ 62, 63,
+ 64, 64,
+ 65, 67,
+ 67, 69,
+ 69, 76
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB0_10_ndelta_min_Q15[ 10 + 1 ] =
{
- 563,
- 3,
+ 553,
+ 5,
22,
- 20,
+ 19,
3,
3,
- 132,
- 119,
- 358,
- 86,
- 964
+ 180,
+ 162,
+ 306,
+ 171,
+ 991
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * NLSF_MSVQ_CB0_10_VECTORS ] =
+const SKP_int8 SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * NLSF_MSVQ_CB0_10_VECTORS ] =
{
- 2210, 4023,
- 6981, 9260,
- 12573, 15687,
- 19207, 22383,
- 25981, 29142,
- 3285, 4172,
- 6116, 10856,
- 15289, 16826,
- 19701, 22010,
- 24721, 29313,
- 1554, 2511,
- 6577, 10337,
- 13837, 16511,
- 20086, 23214,
- 26480, 29464,
- 3062, 4017,
- 5771, 10037,
- 13365, 14952,
- 20140, 22891,
- 25229, 29603,
- 2085, 3457,
- 5934, 8718,
- 11501, 13670,
- 17997, 21817,
- 24935, 28745,
- 2776, 4093,
- 6421, 10413,
- 15111, 16806,
- 20825, 23826,
- 26308, 29411,
- 2717, 4034,
- 5697, 8463,
- 14301, 16354,
- 19007, 23413,
- 25812, 28506,
- 2872, 3702,
- 5881, 11034,
- 17141, 18879,
- 21146, 23451,
- 25817, 29600,
- 2999, 4015,
- 7357, 11219,
- 12866, 17307,
- 20081, 22644,
- 26774, 29107,
- 2942, 3866,
- 5918, 11915,
- 13909, 16072,
- 20453, 22279,
- 27310, 29826,
- 2271, 3527,
- 6606, 9729,
- 12943, 17382,
- 20224, 22345,
- 24602, 28290,
- 2207, 3310,
- 5844, 9339,
- 11141, 15651,
- 18576, 21177,
- 25551, 28228,
- 3963, 4975,
- 6901, 11588,
- 13466, 15577,
- 19231, 21368,
- 25510, 27759,
- 2749, 3549,
- 6966, 13808,
- 15653, 17645,
- 20090, 22599,
- 26467, 28537,
- 2126, 3504,
- 5109, 9954,
- 12550, 14620,
- 19703, 21687,
- 26457, 29106,
- 3966, 5745,
- 7442, 9757,
- 14468, 16404,
- 19135, 23048,
- 25375, 28391,
- 3197, 4751,
- 6451, 9298,
- 13038, 14874,
- 17962, 20627,
- 23835, 28464,
- 3195, 4081,
- 6499, 12252,
- 14289, 16040,
- 18357, 20730,
- 26980, 29309,
- 1533, 2471,
- 4486, 7796,
- 12332, 15758,
- 19567, 22298,
- 25673, 29051,
- 2002, 2971,
- 4985, 8083,
- 13181, 15435,
- 18237, 21517,
- 24595, 28351,
- 3808, 4925,
- 6710, 10201,
- 12011, 14300,
- 18457, 20391,
- 26525, 28956,
- 2281, 3418,
- 4979, 8726,
- 15964, 18104,
- 20250, 22771,
- 25286, 28954,
- 3051, 5479,
- 7290, 9848,
- 12744, 14503,
- 18665, 23684,
- 26065, 28947,
- 2364, 3565,
- 5502, 9621,
- 14922, 16621,
- 19005, 20996,
- 26310, 29302,
- 4093, 5212,
- 6833, 9880,
- 16303, 18286,
- 20571, 23614,
- 26067, 29128,
- 2941, 3996,
- 6038, 10638,
- 12668, 14451,
- 16798, 19392,
- 26051, 28517,
- 3863, 5212,
- 7019, 9468,
- 11039, 13214,
- 19942, 22344,
- 25126, 29539,
- 4615, 6172,
- 7853, 10252,
- 12611, 14445,
- 19719, 22441,
- 24922, 29341,
- 3566, 4512,
- 6985, 8684,
- 10544, 16097,
- 18058, 22475,
- 26066, 28167,
- 4481, 5489,
- 7432, 11414,
- 13191, 15225,
- 20161, 22258,
- 26484, 29716,
- 3320, 4320,
- 6621, 9867,
- 11581, 14034,
- 21168, 23210,
- 26588, 29903,
- 3794, 4689,
- 6916, 8655,
- 10143, 16144,
- 19568, 21588,
- 27557, 29593,
- 2446, 3276,
- 5918, 12643,
- 16601, 18013,
- 21126, 23175,
- 27300, 29634,
- 2450, 3522,
- 5437, 8560,
- 15285, 19911,
- 21826, 24097,
- 26567, 29078,
- 2580, 3796,
- 5580, 8338,
- 9969, 12675,
- 18907, 22753,
- 25450, 29292,
- 3325, 4312,
- 6241, 7709,
- 9164, 14452,
- 21665, 23797,
- 27096, 29857,
- 3338, 4163,
- 7738, 11114,
- 12668, 14753,
- 16931, 22736,
- 25671, 28093,
- 3840, 4755,
- 7755, 13471,
- 15338, 17180,
- 20077, 22353,
- 27181, 29743,
- 2504, 4079,
- 8351, 12118,
- 15046, 18595,
- 21684, 24704,
- 27519, 29937,
- 5234, 6342,
- 8267, 11821,
- 15155, 16760,
- 20667, 23488,
- 25949, 29307,
- 2681, 3562,
- 6028, 10827,
- 18458, 20458,
- 22303, 24701,
- 26912, 29956,
- 3374, 4528,
- 6230, 8256,
- 9513, 12730,
- 18666, 20720,
- 26007, 28425,
- 2731, 3629,
- 8320, 12450,
- 14112, 16431,
- 18548, 22098,
- 25329, 27718,
- 3481, 4401,
- 7321, 9319,
- 11062, 13093,
- 15121, 22315,
- 26331, 28740,
- 3577, 4945,
- 6669, 8792,
- 10299, 12645,
- 19505, 24766,
- 26996, 29634,
- 4058, 5060,
- 7288, 10190,
- 11724, 13936,
- 15849, 18539,
- 26701, 29845,
- 4262, 5390,
- 7057, 8982,
- 10187, 15264,
- 20480, 22340,
- 25958, 28072,
- 3404, 4329,
- 6629, 7946,
- 10121, 17165,
- 19640, 22244,
- 25062, 27472,
- 3157, 4168,
- 6195, 9319,
- 10771, 13325,
- 15416, 19816,
- 24672, 27634,
- 2503, 3473,
- 5130, 6767,
- 8571, 14902,
- 19033, 21926,
- 26065, 28728,
- 4133, 5102,
- 7553, 10054,
- 11757, 14924,
- 17435, 20186,
- 23987, 26272,
- 4972, 6139,
- 7894, 9633,
- 11320, 14295,
- 21737, 24306,
- 26919, 29907,
- 2958, 3816,
- 6851, 9204,
- 10895, 18052,
- 20791, 23338,
- 27556, 29609,
- 5234, 6028,
- 8034, 10154,
- 11242, 14789,
- 18948, 20966,
- 26585, 29127,
- 5241, 6838,
- 10526, 12819,
- 14681, 17328,
- 19928, 22336,
- 26193, 28697,
- 3412, 4251,
- 5988, 7094,
- 9907, 18243,
- 21669, 23777,
- 26969, 29087,
- 2470, 3217,
- 7797, 15296,
- 17365, 19135,
- 21979, 24256,
- 27322, 29442,
- 4939, 5804,
- 8145, 11809,
- 13873, 15598,
- 17234, 19423,
- 26476, 29645,
- 5051, 6167,
- 8223, 9655,
- 12159, 17995,
- 20464, 22832,
- 26616, 28462,
- 4987, 5907,
- 9319, 11245,
- 13132, 15024,
- 17485, 22687,
- 26011, 28273,
- 5137, 6884,
- 11025, 14950,
- 17191, 19425,
- 21807, 24393,
- 26938, 29288,
- 7057, 7884,
- 9528, 10483,
- 10960, 14811,
- 19070, 21675,
- 25645, 28019,
- 6759, 7160,
- 8546, 11779,
- 12295, 13023,
- 16627, 21099,
- 24697, 28287,
- 3863, 9762,
- 11068, 11445,
- 12049, 13960,
- 18085, 21507,
- 25224, 28997,
- 397, 335,
- 651, 1168,
- 640, 765,
- 465, 331,
- 214, -194,
- -578, -647,
- -657, 750,
- 564, 613,
- 549, 630,
- 304, -52,
- 828, 922,
- 443, 111,
- 138, 124,
- 169, 14,
- 144, 83,
- 132, 58,
- -413, -752,
- 869, 336,
- 385, 69,
- 56, 830,
- -227, -266,
- -368, -440,
- -1195, 163,
- 126, -228,
- 802, 156,
- 188, 120,
- 376, 59,
- -358, -558,
- -1326, -254,
- -202, -789,
- 296, 92,
- -70, -129,
- -718, -1135,
- 292, -29,
- -631, 487,
- -157, -153,
- -279, 2,
- -419, -342,
- -34, -514,
- -799, -1571,
- -687, -609,
- -546, -130,
- -215, -252,
- -446, -574,
- -1337, 207,
- -72, 32,
- 103, -642,
- 942, 733,
- 187, 29,
- -211, -814,
- 143, 225,
- 20, 24,
- -268, -377,
- 1623, 1133,
- 667, 164,
- 307, 366,
- 187, 34,
- 62, -313,
- -832, -1482,
- -1181, 483,
- -42, -39,
- -450, -1406,
- -587, -52,
- -760, 334,
- 98, -60,
- -500, -488,
- -1058, 299,
- 131, -250,
- -251, -703,
- 1037, 568,
- -413, -265,
- 1687, 573,
- 345, 323,
- 98, 61,
- -102, 31,
- 135, 149,
- 617, 365,
- -39, 34,
- -611, 1201,
- 1421, 736,
- -414, -393,
- -492, -343,
- -316, -532,
- 528, 172,
- 90, 322,
- -294, -319,
- -541, 503,
- 639, 401,
- 1, -149,
- -73, -167,
- 150, 118,
- 308, 218,
- 121, 195,
- -143, -261,
- -1013, -802,
- 387, 436,
- 130, -427,
- -448, -681,
- 123, -87,
- -251, -113,
- 274, 310,
- 445, 501,
- 354, 272,
- 141, -285,
- 569, 656,
- 37, -49,
- 251, -386,
- -263, 1122,
- 604, 606,
- 336, 95,
- 34, 0,
- 85, 180,
- 207, -367,
- -622, 1070,
- -6, -79,
- -160, -92,
- -137, -276,
- -323, -371,
- -696, -1036,
- 407, 102,
- -86, -214,
- -482, -647,
- -28, -291,
- -97, -180,
- -250, -435,
- -18, -76,
- -332, 410,
- 407, 168,
- 539, 411,
- 254, 111,
- 58, -145,
- 200, 30,
- 187, 116,
- 131, -367,
- -475, 781,
- -559, 561,
- 195, -115,
- 8, -168,
- 30, 55,
- -122, 131,
- 82, -5,
- -273, -50,
- -632, 668,
- 4, 32,
- -26, -279,
- 315, 165,
- 197, 377,
- 155, -41,
- -138, -324,
- -109, -617,
- 360, 98,
- -53, -319,
- -114, -245,
- -82, 507,
- 468, 263,
- -137, -389,
- 652, 354,
- -18, -227,
- -462, -135,
- 317, 53,
- -16, 66,
- -72, -126,
- -356, -347,
- -328, -72,
- -337, 324,
- 152, 349,
- 169, -196,
- 179, 254,
- 260, 325,
- -74, -80,
- 75, -31,
- 270, 275,
- 87, 278,
- -446, -301,
- 309, 71,
- -25, -242,
- 516, 161,
- -162, -83,
- 329, 230,
- -311, -259,
- 177, -26,
- -462, 89,
- 257, 6,
- -130, -93,
- -456, -317,
- -221, -206,
- -417, -182,
- -74, 234,
- 48, 261,
- 359, 231,
- 258, 85,
- -282, 252,
- -147, -222,
- 251, -207,
- 443, 123,
- -417, -36,
- 273, -241,
- 240, -112,
- 44, -167,
- 126, -124,
- -77, 58,
- -401, 333,
- -118, 82,
- 126, 151,
- -433, 359,
- -130, -102,
- 131, -244,
- 86, 85,
- -462, 414,
- -240, 16,
- 145, 28,
- -205, -481,
- 373, 293,
- -72, -174,
- 62, 259,
- -8, -18,
- 362, 233,
- 185, 43,
- 278, 27,
- 193, 570,
- -248, 189,
- 92, 31,
- -275, -3,
- 243, 176,
- 438, 209,
- 206, -51,
- 79, 109,
- 168, -185,
- -308, -68,
- -618, 385,
- -310, -108,
- -164, 165,
- 61, -152,
- -101, -412,
- -268, -257,
- -40, -20,
- -28, -158,
- -301, 271,
- 380, -338,
- -367, -132,
- 64, 114,
- -131, -225,
- -156, -260,
- -63, -116,
- 155, -586,
- -202, 254,
- -287, 178,
- 227, -106,
- -294, 164,
- 298, -100,
- 185, 317,
- 193, -45,
- 28, 80,
- -87, -433,
- 22, -48,
- 48, -237,
- -229, -139,
- 120, -364,
- 268, -136,
- 396, 125,
- 130, -89,
- -272, 118,
- -256, -68,
- -451, 488,
- 143, -165,
- -48, -190,
- 106, 219,
- 47, 435,
- 245, 97,
- 75, -418,
- 121, -187,
- 570, -200,
- -351, 225,
- -21, -217,
- 234, -111,
- 194, 14,
- 242, 118,
- 140, -397,
- 355, 361,
- -45, -195
+ -108, -90,
+ -71, -49,
+ -24, -5,
+ 21, 48,
+ 75, 99,
+ -108, -99,
+ -76, -57,
+ -39, -7,
+ 20, 50,
+ 76, 98,
+ -105, -97,
+ -83, -49,
+ -19, -7,
+ 27, 47,
+ 67, 102,
+ -97, -90,
+ -75, -49,
+ -6, 6,
+ 27, 55,
+ 73, 95,
+ -95, -89,
+ -72, -40,
+ -28, -11,
+ 21, 37,
+ 70, 86,
+ -103, -97,
+ -82, -48,
+ 8, 21,
+ 36, 56,
+ 74, 101,
+ -103, -96,
+ -81, -33,
+ -19, -3,
+ 28, 41,
+ 86, 102,
+ -111, -102,
+ -85, -62,
+ -38, -21,
+ 11, 41,
+ 66, 95,
+ -88, -82,
+ -63, -28,
+ -10, 1,
+ 35, 53,
+ 73, 103,
+ -101, -96,
+ -67, -17,
+ -4, 10,
+ 30, 45,
+ 86, 103,
+ -94, -87,
+ -70, -55,
+ -44, -25,
+ 37, 55,
+ 73, 104,
+ -98, -92,
+ -71, -37,
+ -23, -10,
+ 37, 54,
+ 73, 104,
+ -114, -108,
+ -79, -49,
+ -20, 2,
+ 29, 54,
+ 80, 103,
+ -107, -99,
+ -86, -60,
+ -7, 11,
+ 27, 49,
+ 67, 95,
+ -100, -94,
+ -76, -40,
+ -5, 6,
+ 26, 43,
+ 62, 102,
+ -88, -79,
+ -64, -44,
+ -28, -15,
+ 26, 43,
+ 64, 104,
+ -103, -98,
+ -71, -26,
+ -14, 4,
+ 23, 43,
+ 72, 87,
+ -110, -103,
+ -83, -58,
+ -27, -5,
+ 16, 35,
+ 58, 92,
+ -103, -94,
+ -79, -62,
+ -21, -7,
+ 12, 52,
+ 69, 88,
+ -107, -98,
+ -84, -44,
+ -29, -12,
+ 9, 28,
+ 73, 90,
+ -99, -93,
+ -68, -32,
+ -19, -5,
+ 12, 28,
+ 86, 104,
+ -100, -91,
+ -75, -55,
+ -40, -26,
+ 20, 40,
+ 58, 101,
+ -100, -94,
+ -73, -60,
+ -49, -1,
+ 18, 36,
+ 83, 96,
+ -106, -97,
+ -69, -47,
+ -25, 11,
+ 31, 46,
+ 65, 89,
+ -93, -87,
+ -69, -46,
+ -32, -18,
+ -2, 14,
+ 74, 103,
+ -93, -87,
+ -65, -29,
+ 6, 18,
+ 38, 57,
+ 74, 102,
+ -92, -85,
+ -66, -54,
+ -43, -4,
+ 32, 45,
+ 88, 104,
+ -108, -99,
+ -85, -50,
+ -35, -19,
+ 29, 41,
+ 84, 102,
+ -97, -90,
+ -73, -57,
+ -48, -24,
+ 21, 35,
+ 79, 94,
+ -84, -76,
+ -57, -40,
+ -29, -11,
+ 41, 60,
+ 80, 104,
+ -100, -94,
+ -75, -64,
+ -51, 2,
+ 20, 45,
+ 68, 85,
+ -100, -94,
+ -62, -41,
+ -30, 13,
+ 31, 52,
+ 85, 101,
+ -95, -86,
+ -70, -52,
+ -38, -23,
+ 18, 64,
+ 83, 101,
+ -114, -108,
+ -94, -69,
+ -31, -5,
+ 24, 46,
+ 72, 99,
+ -100, -95,
+ -54, -38,
+ -26, -10,
+ 3, 51,
+ 75, 89,
+ -104, -98,
+ -73, -31,
+ 18, 31,
+ 46, 65,
+ 82, 105,
+ -90, -84,
+ -62, -51,
+ -38, 3,
+ 25, 44,
+ 72, 86,
+ -109, -103,
+ -83, -29,
+ 2, 11,
+ 38, 53,
+ 84, 101,
+ -86, -75,
+ -61, -46,
+ -17, -4,
+ 18, 52,
+ 69, 91,
+ -109, -100,
+ -83, -54,
+ -10, 1,
+ 19, 35,
+ 81, 100,
+ -101, -95,
+ -78, -68,
+ -58, -16,
+ 39, 56,
+ 85, 103,
+ -87, -80,
+ -58, -41,
+ -29, -7,
+ 14, 30,
+ 86, 104,
+ -105, -99,
+ -61, -7,
+ 6, 21,
+ 44, 61,
+ 87, 102,
+ -86, -80,
+ -48, -30,
+ -18, 5,
+ 25, 43,
+ 82, 97,
+ -98, -92,
+ -66, -49,
+ -36, -13,
+ 0, 35,
+ 59, 79,
+ -98, -93,
+ -66, -52,
+ -40, -24,
+ -12, 46,
+ 81, 98,
+ -107, -95,
+ -64, -39,
+ -14, 14,
+ 42, 65,
+ 88, 106,
+ -104, -96,
+ -82, -65,
+ -54, -35,
+ 21, 51,
+ 72, 99,
+ -94, -87,
+ -74, -59,
+ -21, -10,
+ 14, 35,
+ 58, 96,
+ -108, -100,
+ -86, -71,
+ -59, -16,
+ 20, 41,
+ 74, 97,
+ -103, -95,
+ -80, -57,
+ -45, -24,
+ -6, 19,
+ 66, 89,
+ -99, -93,
+ -74, -65,
+ -50, 20,
+ 40, 57,
+ 85, 98,
+ -102, -96,
+ -41, -21,
+ -11, 9,
+ 25, 59,
+ 83, 98,
+ -94, -87,
+ -71, -59,
+ -47, -8,
+ 50, 68,
+ 86, 105,
+ -108, -101,
+ -84, -59,
+ -11, 29,
+ 44, 61,
+ 82, 99,
+ -98, -94,
+ -82, -73,
+ -26, 6,
+ 30, 53,
+ 79, 98,
+ -85, -71,
+ -37, -12,
+ 3, 22,
+ 41, 61,
+ 85, 100,
+ -85, -79,
+ -66, -55,
+ -19, 17,
+ 33, 56,
+ 83, 97,
+ -72, -66,
+ -60, -57,
+ -50, 4,
+ 26, 52,
+ 79, 103,
+ -95, -74,
+ -31, -18,
+ -11, -6,
+ 9, 52,
+ 77, 100,
+ -78, -75,
+ -68, -51,
+ -43, -38,
+ 12, 45,
+ 74, 100,
+ -99, -68,
+ -40, -33,
+ -24, -16,
+ 23, 58,
+ 79, 97,
+ -99, -48,
+ -42, -40,
+ -36, -19,
+ 26, 52,
+ 80, 105,
+ -73, -69,
+ -62, -43,
+ -31, -25,
+ 21, 48,
+ 76, 101,
+ 8, 7,
+ 5, 2,
+ 1, -1,
+ 1, 0,
+ 0, -1,
+ 0, -1,
+ -1, 0,
+ -2, -4,
+ -8, -11,
+ -2, -4,
+ 3, 2,
+ -2, -6,
+ -4, -7,
+ -2, -2,
+ -6, 5,
+ 0, -1,
+ 2, 8,
+ 5, 3,
+ 2, -2,
+ 8, 5,
+ 0, -1,
+ 0, 0,
+ -2, -4,
+ -1, -2,
+ -9, -13,
+ -1, -1,
+ -4, -1,
+ 9, 4,
+ 0, -3,
+ -9, 4,
+ 0, -1,
+ -2, 1,
+ -2, -4,
+ 11, 7,
+ 4, 3,
+ 0, -1,
+ -3, -11,
+ 4, 3,
+ 1, 5,
+ 1, -2,
+ 1, 0,
+ 12, 8,
+ 5, 3,
+ -1, 2,
+ -1, -4,
+ -5, -6,
+ -13, 5,
+ 3, 1,
+ 0, 0,
+ 1, 0,
+ -1, -2,
+ -5, -5,
+ -10, 8,
+ 2, 0,
+ 3, -1,
+ 1, 0,
+ 0, -3,
+ -5, -2,
+ -5, -8,
+ 10, 5,
+ 1, 0,
+ 1, -2,
+ -3, -5,
+ -9, 12,
+ 6, 2,
+ 3, 2,
+ 5, -1,
+ -1, 12,
+ 8, 4,
+ 0, -1,
+ -5, -7,
+ 6, 3,
+ -2, -3,
+ 3, 1,
+ -2, 4,
+ -8, 7,
+ 2, 1,
+ 2, -1,
+ -2, 0,
+ -2, 0,
+ -3, -3,
+ -3, 5,
+ 4, 2,
+ 2, 0,
+ -2, -4,
+ 1, 1,
+ -1, -3,
+ -3, -7,
+ 6, 2,
+ 3, 2,
+ -1, -1,
+ 2, 0,
+ 0, 6,
+ 3, 6,
+ 6, 3,
+ 4, 5,
+ 2, 2,
+ 5, 2,
+ 1, 2,
+ 0, 1,
+ 3, 3,
+ 2, -2,
+ -2, 1,
+ 0, -4,
+ -4, -7,
+ 0, 0,
+ 4, 2,
+ 0, -2,
+ -2, -7,
+ -1, 6,
+ -4, -4,
+ -5, -5,
+ -4, 0,
+ -1, -2,
+ -2, 2,
+ -1, -1,
+ 0, 0,
+ -1, -3,
+ -10, 3,
+ 0, -3,
+ 0, 0,
+ 0, 2,
+ 0, -1,
+ -1, -2,
+ -7, 3,
+ 0, 1,
+ -1, 0,
+ -1, 2,
+ 3, 2,
+ -2, -6,
+ -1, -1,
+ -2, -1,
+ -4, -4,
+ -1, -4,
+ 3, -1,
+ 0, 0,
+ -3, -5,
+ 5, 1,
+ 1, -1,
+ 2, 2,
+ 1, 1,
+ 1, 5,
+ 2, 1,
+ 2, -1,
+ 4, 1,
+ -2, -2,
+ -3, 2,
+ 0, 0,
+ -2, 5,
+ 1, 2,
+ -2, -2,
+ 7, -1,
+ 0, 0,
+ 0, 0,
+ -1, -2,
+ 3, 4,
+ 2, -1,
+ -2, 0,
+ -3, 2,
+ 2, 1,
+ 0, 0,
+ 0, -1,
+ -2, 0,
+ 5, 0,
+ -1, 1,
+ -2, -2,
+ 2, 1,
+ 0, 3,
+ 0, -3,
+ 1, -1,
+ -1, 0,
+ 2, 1,
+ 3, 1,
+ 0, 3,
+ 1, 2,
+ 2, 2,
+ 0, 2,
+ 1, 0,
+ -2, -3,
+ -1, -2,
+ 1, 0,
+ 2, 0,
+ -3, -3,
+ -2, 2,
+ 0, 1,
+ 1, 0,
+ -5, 3,
+ 0, 1,
+ 0, 0,
+ 2, 1,
+ 1, 0,
+ -1, -5,
+ 0, 2,
+ -2, 0,
+ 0, 1,
+ -2, -2,
+ -2, -1,
+ 1, -3,
+ 0, 0,
+ -2, -3,
+ -3, 3,
+ 0, 0,
+ -2, -1,
+ 0, 0,
+ -1, 0,
+ 2, 1,
+ 2, 0,
+ 0, 3,
+ 2, 0,
+ 0, 2,
+ 1, -1,
+ -2, -1,
+ -2, 2,
+ -2, 0,
+ 0, -1,
+ 0, -2,
+ 1, 3,
+ 0, -1,
+ 0, 1,
+ -2, -1,
+ 2, 1,
+ -1, 0,
+ 1, -3,
+ -1, 0,
+ 0, 1,
+ 1, 0,
+ 1, 0,
+ 0, 0,
+ 1, 1,
+ 2, -3,
+ -1, -2,
+ -1, -2,
+ 0, -1,
+ 2, 1,
+ 1, 2,
+ -2, 1,
+ 0, 0,
+ 3, 1,
+ -2, -2,
+ 0, 0,
+ 0, 0,
+ 0, -1,
+ 0, 0,
+ 0, 3,
+ -3, 0,
+ -1, 1,
+ 3, -2,
+ 0, -1,
+ -1, -1,
+ -1, 0,
+ 0, -1,
+ -2, 1,
+ 2, 1,
+ 2, 0,
+ -1, 0,
+ -1, 0,
+ 0, -1,
+ -1, -1,
+ -1, 0,
+ 5, 1,
+ 1, 0,
+ 0, 0,
+ -1, 0,
+ 1, -4,
+ -1, 0,
+ 0, -1,
+ -1, 0,
+ 0, 0,
+ -1, -1,
+ -1, 5,
+ 1, 0,
+ -2, -1,
+ -1, -2,
+ -1, 0,
+ 0, -3,
+ 0, 1,
+ 1, 2,
+ 1, -2,
+ 2, 0,
+ 0, 0,
+ 0, 3,
+ -1, -1,
+ 1, 1,
+ 1, 0,
+ 1, 0,
+ -1, -2,
+ 0, 1,
+ 1, 0,
+ -3, -1,
+ 1, 0,
+ -3, -1,
+ 0, -1,
+ 1, 1,
+ 1, -1,
+ 0, -1,
+ 2, 1,
+ 1, 1,
+ 0, 2,
+ -2, 1,
+ 0, 0,
+ -1, 1,
+ -1, 2,
+ -2, 1,
+ -1, 0,
+ 0, 0,
+ 2, 1,
+ -1, 0,
+ -2, 0,
+ 1, 2,
+ 1, 0,
+ 0, -2,
+ 1, 0,
+ -2, 0,
+ 1, 1,
+ 1, -1,
+ 2, -2,
+ 2, 0,
+ 1, -1,
+ 0, 1,
+ 0, 1
};
const SKP_Silk_NLSF_CBS SKP_Silk_NLSF_CB0_10_Stage_info[ NLSF_MSVQ_CB0_10_STAGES ] =
{
- { 64, &SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * 0 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ 0 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * 64 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ 64 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * 80 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ 80 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * 88 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ 88 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * 96 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ 96 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_10_Q15[ 10 * 104 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q5[ 104 ] }
+ { 64, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 0 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 0 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 64 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 64 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 80 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 80 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 88 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 88 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 96 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 96 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 104 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 104 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_10_Q8[ 10 * 112 ], &SKP_Silk_NLSF_MSVQ_CB0_10_rates_Q4[ 112 ] }
};
const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB0_10 =
--- a/src_common/SKP_Silk_tables_NLSF_CB0_10.h
+++ b/src_common/SKP_Silk_tables_NLSF_CB0_10.h
@@ -35,8 +35,8 @@
{
#endif
-#define NLSF_MSVQ_CB0_10_STAGES 6
-#define NLSF_MSVQ_CB0_10_VECTORS 120
+#define NLSF_MSVQ_CB0_10_STAGES 7
+#define NLSF_MSVQ_CB0_10_VECTORS 128
/* NLSF codebook entropy coding tables */
extern const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB0_10_CDF[ NLSF_MSVQ_CB0_10_VECTORS + NLSF_MSVQ_CB0_10_STAGES ];
--- a/src_common/SKP_Silk_tables_NLSF_CB0_16.c
+++ b/src_common/SKP_Silk_tables_NLSF_CB0_16.c
@@ -28,239 +28,176 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 0.51 + 7.38 kB */
+/* ROM usage: 0.38 + 2.62 kB */
/**********************************************/
#include "SKP_Silk_structs.h"
+#include "SKP_Silk_tables.h"
#include "SKP_Silk_tables_NLSF_CB0_16.h"
const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ NLSF_MSVQ_CB0_16_VECTORS + NLSF_MSVQ_CB0_16_STAGES ] =
{
0,
- 1449,
- 2749,
- 4022,
- 5267,
- 6434,
- 7600,
- 8647,
- 9695,
- 10742,
- 11681,
- 12601,
- 13444,
- 14251,
- 15008,
- 15764,
- 16521,
- 17261,
- 18002,
- 18710,
- 19419,
+ 2661,
+ 5102,
+ 7439,
+ 9404,
+ 11130,
+ 12855,
+ 14508,
+ 15959,
+ 17349,
+ 18738,
20128,
- 20837,
- 21531,
- 22225,
- 22919,
- 23598,
- 24277,
- 24956,
- 25620,
- 26256,
- 26865,
- 27475,
- 28071,
- 28667,
- 29263,
- 29859,
- 30443,
- 31026,
- 31597,
- 32168,
- 32727,
- 33273,
- 33808,
- 34332,
- 34855,
- 35379,
- 35902,
- 36415,
- 36927,
- 37439,
- 37941,
- 38442,
- 38932,
- 39423,
- 39914,
- 40404,
- 40884,
- 41364,
- 41844,
- 42324,
- 42805,
- 43285,
- 43754,
- 44224,
- 44694,
- 45164,
- 45623,
- 46083,
- 46543,
- 46993,
- 47443,
- 47892,
- 48333,
- 48773,
- 49213,
- 49653,
- 50084,
- 50515,
- 50946,
- 51377,
- 51798,
- 52211,
- 52614,
- 53018,
- 53422,
- 53817,
- 54212,
- 54607,
- 55002,
- 55388,
- 55775,
- 56162,
- 56548,
- 56910,
- 57273,
- 57635,
- 57997,
- 58352,
- 58698,
- 59038,
- 59370,
- 59702,
- 60014,
- 60325,
- 60630,
- 60934,
- 61239,
- 61537,
- 61822,
- 62084,
- 62346,
- 62602,
- 62837,
- 63072,
- 63302,
- 63517,
- 63732,
- 63939,
- 64145,
- 64342,
- 64528,
- 64701,
- 64867,
- 65023,
- 65151,
- 65279,
- 65407,
+ 21458,
+ 22679,
+ 23847,
+ 25016,
+ 26184,
+ 27303,
+ 28422,
+ 29541,
+ 30660,
+ 31731,
+ 32803,
+ 33874,
+ 34901,
+ 35927,
+ 36953,
+ 37979,
+ 38961,
+ 39944,
+ 40885,
+ 41826,
+ 42767,
+ 43708,
+ 44609,
+ 45510,
+ 46411,
+ 47274,
+ 48136,
+ 48999,
+ 49862,
+ 50725,
+ 51551,
+ 52377,
+ 53204,
+ 53995,
+ 54786,
+ 55544,
+ 56269,
+ 56995,
+ 57690,
+ 58355,
+ 58992,
+ 59629,
+ 60266,
+ 60904,
+ 61514,
+ 62124,
+ 62708,
+ 63292,
+ 63828,
+ 64364,
+ 64834,
+ 65230,
65535,
0,
- 5099,
- 9982,
- 14760,
- 19538,
- 24213,
- 28595,
- 32976,
- 36994,
- 41012,
- 44944,
- 48791,
- 52557,
- 56009,
- 59388,
- 62694,
+ 5542,
+ 10849,
+ 16156,
+ 21023,
+ 25683,
+ 29957,
+ 33876,
+ 37795,
+ 41547,
+ 45300,
+ 48894,
+ 52487,
+ 55928,
+ 59224,
+ 62379,
65535,
0,
- 9955,
- 19697,
- 28825,
- 36842,
- 44686,
- 52198,
- 58939,
+ 10647,
+ 19220,
+ 27793,
+ 36003,
+ 44213,
+ 51422,
+ 58631,
65535,
0,
- 8949,
- 17335,
- 25720,
- 33926,
- 41957,
- 49987,
- 57845,
+ 8897,
+ 17795,
+ 26315,
+ 34835,
+ 42993,
+ 51152,
+ 58965,
65535,
0,
- 9724,
- 18642,
- 26998,
- 35355,
- 43532,
- 51534,
- 59365,
+ 9726,
+ 19453,
+ 27632,
+ 35811,
+ 43643,
+ 51475,
+ 58657,
65535,
0,
- 8750,
- 17499,
- 26249,
- 34448,
- 42471,
- 50494,
- 58178,
+ 9306,
+ 18611,
+ 27522,
+ 36433,
+ 44258,
+ 52084,
+ 58955,
65535,
0,
- 8730,
- 17273,
- 25816,
- 34176,
- 42536,
- 50203,
- 57869,
+ 9344,
+ 17912,
+ 26481,
+ 35049,
+ 43254,
+ 51111,
+ 58635,
65535,
0,
- 8769,
- 17538,
- 26307,
- 34525,
- 42742,
- 50784,
- 58319,
+ 8946,
+ 17891,
+ 26837,
+ 35403,
+ 43606,
+ 51128,
+ 58332,
65535,
0,
- 8736,
- 17101,
- 25466,
- 33653,
- 41839,
- 50025,
- 57864,
+ 8919,
+ 17460,
+ 25638,
+ 33817,
+ 41996,
+ 50174,
+ 58353,
65535,
0,
- 4368,
- 8735,
- 12918,
- 17100,
- 21283,
- 25465,
- 29558,
- 33651,
- 37744,
- 41836,
- 45929,
- 50022,
- 54027,
- 57947,
- 61782,
+ 4876,
+ 9752,
+ 14421,
+ 18893,
+ 23175,
+ 27456,
+ 31738,
+ 35839,
+ 39939,
+ 43865,
+ 47792,
+ 51552,
+ 55312,
+ 59072,
+ 62373,
65535
};
@@ -267,22 +204,21 @@
const SKP_uint16 * const SKP_Silk_NLSF_MSVQ_CB0_16_CDF_start_ptr[ NLSF_MSVQ_CB0_16_STAGES ] =
{
&SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 0 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 129 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 146 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 155 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 164 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 173 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 182 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 191 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 200 ],
- &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 209 ]
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 65 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 82 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 91 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 100 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 109 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 118 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 127 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 136 ],
+ &SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ 145 ]
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB0_16_CDF_middle_idx[ NLSF_MSVQ_CB0_16_STAGES ] =
{
- 42,
+ 23,
8,
- 4,
5,
5,
5,
@@ -289,1022 +225,735 @@
5,
5,
5,
- 9
+ 5,
+ 8
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ NLSF_MSVQ_CB0_16_VECTORS ] =
+const SKP_uint8 SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ NLSF_MSVQ_CB0_16_VECTORS ] =
{
- 176, 181,
- 182, 183,
- 186, 186,
- 191, 191,
- 191, 196,
- 197, 201,
- 203, 206,
- 206, 206,
- 207, 207,
- 209, 209,
- 209, 209,
- 210, 210,
- 210, 211,
- 211, 211,
- 212, 214,
- 216, 216,
- 217, 217,
- 217, 217,
- 218, 218,
- 219, 219,
- 220, 221,
- 222, 223,
- 223, 223,
- 223, 224,
- 224, 224,
- 225, 225,
- 226, 226,
- 226, 226,
- 227, 227,
- 227, 227,
- 227, 227,
- 228, 228,
- 228, 228,
- 229, 229,
- 229, 230,
- 230, 230,
- 231, 231,
- 231, 231,
- 232, 232,
- 232, 232,
- 233, 234,
- 235, 235,
- 235, 236,
- 236, 236,
- 236, 237,
- 237, 237,
- 237, 240,
- 240, 240,
- 240, 241,
- 242, 243,
- 244, 244,
- 247, 247,
- 248, 248,
- 248, 249,
- 251, 255,
- 255, 256,
- 260, 260,
- 261, 264,
- 264, 266,
- 266, 268,
- 271, 274,
- 276, 279,
- 288, 288,
- 288, 288,
- 118, 120,
- 121, 121,
- 122, 125,
- 125, 129,
- 129, 130,
- 131, 132,
- 136, 137,
- 138, 145,
- 87, 88,
- 91, 97,
- 98, 100,
- 105, 106,
- 92, 95,
- 95, 96,
- 97, 97,
- 98, 99,
- 88, 92,
- 95, 95,
- 96, 97,
- 98, 109,
+ 74, 76,
+ 77, 81,
+ 84, 84,
+ 85, 88,
+ 89, 89,
+ 89, 90,
+ 92, 93,
93, 93,
- 93, 96,
- 97, 97,
- 99, 101,
- 93, 94,
- 94, 95,
- 95, 99,
- 99, 99,
- 93, 93,
- 93, 96,
- 96, 97,
- 100, 102,
- 93, 95,
+ 94, 94,
+ 94, 94,
+ 95, 95,
95, 96,
96, 96,
+ 96, 97,
+ 97, 98,
+ 98, 98,
98, 99,
- 125, 125,
- 127, 127,
- 127, 127,
- 128, 128,
- 128, 128,
- 128, 128,
- 129, 130,
- 131, 132
+ 99, 99,
+ 100, 100,
+ 100, 100,
+ 100, 101,
+ 101, 101,
+ 102, 102,
+ 103, 104,
+ 104, 105,
+ 106, 107,
+ 107, 107,
+ 107, 108,
+ 108, 109,
+ 109, 111,
+ 111, 114,
+ 118, 124,
+ 57, 58,
+ 58, 60,
+ 61, 63,
+ 65, 65,
+ 66, 66,
+ 67, 67,
+ 68, 69,
+ 70, 70,
+ 42, 47,
+ 47, 48,
+ 48, 51,
+ 51, 52,
+ 46, 46,
+ 47, 47,
+ 48, 48,
+ 49, 53,
+ 44, 44,
+ 48, 48,
+ 49, 49,
+ 51, 52,
+ 45, 45,
+ 46, 46,
+ 49, 49,
+ 52, 53,
+ 45, 47,
+ 47, 47,
+ 48, 49,
+ 50, 52,
+ 46, 46,
+ 46, 47,
+ 48, 50,
+ 51, 51,
+ 46, 47,
+ 48, 48,
+ 48, 48,
+ 48, 51,
+ 60, 60,
+ 61, 62,
+ 63, 63,
+ 63, 64,
+ 64, 65,
+ 65, 66,
+ 66, 66,
+ 69, 70
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB0_16_ndelta_min_Q15[ 16 + 1 ] =
{
- 266,
+ 236,
+ 4,
+ 75,
3,
- 40,
3,
- 3,
- 16,
- 78,
- 89,
- 107,
- 141,
- 188,
- 146,
- 272,
- 240,
- 235,
- 215,
- 632
+ 5,
+ 115,
+ 95,
+ 113,
+ 138,
+ 176,
+ 169,
+ 249,
+ 256,
+ 271,
+ 263,
+ 630
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * NLSF_MSVQ_CB0_16_VECTORS ] =
+const SKP_int8 SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * NLSF_MSVQ_CB0_16_VECTORS ] =
{
- 1170, 2278, 3658, 5374,
- 7666, 9113, 11298, 13304,
- 15371, 17549, 19587, 21487,
- 23798, 26038, 28318, 30201,
- 1628, 2334, 4115, 6036,
- 7818, 9544, 11777, 14021,
- 15787, 17408, 19466, 21261,
- 22886, 24565, 26714, 28059,
- 1724, 2670, 4056, 6532,
- 8357, 10119, 12093, 14061,
- 16491, 18795, 20417, 22402,
- 24251, 26224, 28410, 29956,
- 1493, 3427, 4789, 6399,
- 8435, 10168, 12000, 14066,
- 16229, 18210, 20040, 22098,
- 24153, 26095, 28183, 30121,
- 1119, 2089, 4295, 6245,
- 8691, 10741, 12688, 15057,
- 17028, 18792, 20717, 22514,
- 24497, 26548, 28619, 30630,
- 1363, 2417, 3927, 5556,
- 7422, 9315, 11879, 13767,
- 16143, 18520, 20458, 22578,
- 24539, 26436, 28318, 30318,
- 1122, 2503, 5216, 7148,
- 9310, 11078, 13175, 14800,
- 16864, 18700, 20436, 22488,
- 24572, 26602, 28555, 30426,
- 600, 1317, 2970, 5609,
- 7694, 9784, 12169, 14087,
- 16379, 18378, 20551, 22686,
- 24739, 26697, 28646, 30355,
- 941, 1882, 4274, 5540,
- 8482, 9858, 11940, 14287,
- 16091, 18501, 20326, 22612,
- 24711, 26638, 28814, 30430,
- 635, 1699, 4376, 5948,
- 8097, 10115, 12274, 14178,
- 16111, 17813, 19695, 21773,
- 23927, 25866, 28022, 30134,
- 1408, 2222, 3524, 5615,
- 7345, 8849, 10989, 12772,
- 15352, 17026, 18919, 21062,
- 23329, 25215, 27209, 29023,
- 701, 1307, 3548, 6301,
- 7744, 9574, 11227, 12978,
- 15170, 17565, 19775, 22097,
- 24230, 26335, 28377, 30231,
- 1752, 2364, 4879, 6569,
- 7813, 9796, 11199, 14290,
- 15795, 18000, 20396, 22417,
- 24308, 26124, 28360, 30633,
- 901, 1629, 3356, 4635,
- 7256, 8767, 9971, 11558,
- 15215, 17544, 19523, 21852,
- 23900, 25978, 28133, 30184,
- 981, 1669, 3323, 4693,
- 6213, 8692, 10614, 12956,
- 15211, 17711, 19856, 22122,
- 24344, 26592, 28723, 30481,
- 1607, 2577, 4220, 5512,
- 8532, 10388, 11627, 13671,
- 15752, 17199, 19840, 21859,
- 23494, 25786, 28091, 30131,
- 811, 1471, 3144, 5041,
- 7430, 9389, 11174, 13255,
- 15157, 16741, 19583, 22167,
- 24115, 26142, 28383, 30395,
- 1543, 2144, 3629, 6347,
- 7333, 9339, 10710, 13596,
- 15099, 17340, 20102, 21886,
- 23732, 25637, 27818, 29917,
- 492, 1185, 2940, 5488,
- 7095, 8751, 11596, 13579,
- 16045, 18015, 20178, 22127,
- 24265, 26406, 28484, 30357,
- 1547, 2282, 3693, 6341,
- 7758, 9607, 11848, 13236,
- 16564, 18069, 19759, 21404,
- 24110, 26606, 28786, 30655,
- 685, 1338, 3409, 5262,
- 6950, 9222, 11414, 14523,
- 16337, 17893, 19436, 21298,
- 23293, 25181, 27973, 30520,
- 887, 1581, 3057, 4318,
- 7192, 8617, 10047, 13106,
- 16265, 17893, 20233, 22350,
- 24379, 26384, 28314, 30189,
- 2285, 3745, 5662, 7576,
- 9323, 11320, 13239, 15191,
- 17175, 19225, 21108, 22972,
- 24821, 26655, 28561, 30460,
- 1496, 2108, 3448, 6898,
- 8328, 9656, 11252, 12823,
- 14979, 16482, 18180, 20085,
- 22962, 25160, 27705, 29629,
- 575, 1261, 3861, 6627,
- 8294, 10809, 12705, 14768,
- 17076, 19047, 20978, 23055,
- 24972, 26703, 28720, 30345,
- 1682, 2213, 3882, 6238,
- 7208, 9646, 10877, 13431,
- 14805, 16213, 17941, 20873,
- 23550, 25765, 27756, 29461,
- 888, 1616, 3924, 5195,
- 7206, 8647, 9842, 11473,
- 16067, 18221, 20343, 22774,
- 24503, 26412, 28054, 29731,
- 805, 1454, 2683, 4472,
- 7936, 9360, 11398, 14345,
- 16205, 17832, 19453, 21646,
- 23899, 25928, 28387, 30463,
- 1640, 2383, 3484, 5082,
- 6032, 8606, 11640, 12966,
- 15842, 17368, 19346, 21182,
- 23638, 25889, 28368, 30299,
- 1632, 2204, 4510, 7580,
- 8718, 10512, 11962, 14096,
- 15640, 17194, 19143, 22247,
- 24563, 26561, 28604, 30509,
- 2043, 2612, 3985, 6851,
- 8038, 9514, 10979, 12789,
- 15426, 16728, 18899, 20277,
- 22902, 26209, 28711, 30618,
- 2224, 2798, 4465, 5320,
- 7108, 9436, 10986, 13222,
- 14599, 18317, 20141, 21843,
- 23601, 25700, 28184, 30582,
- 835, 1541, 4083, 5769,
- 7386, 9399, 10971, 12456,
- 15021, 18642, 20843, 23100,
- 25292, 26966, 28952, 30422,
- 1795, 2343, 4809, 5896,
- 7178, 8545, 10223, 13370,
- 14606, 16469, 18273, 20736,
- 23645, 26257, 28224, 30390,
- 1734, 2254, 4031, 5188,
- 6506, 7872, 9651, 13025,
- 14419, 17305, 19495, 22190,
- 24403, 26302, 28195, 30177,
- 1841, 2349, 3968, 4764,
- 6376, 9825, 11048, 13345,
- 14682, 16252, 18183, 21363,
- 23918, 26156, 28031, 29935,
- 1432, 2047, 5631, 6927,
- 8198, 9675, 11358, 13506,
- 14802, 16419, 18339, 22019,
- 24124, 26177, 28130, 30586,
- 1730, 2320, 3744, 4808,
- 6007, 9666, 10997, 13622,
- 15234, 17495, 20088, 22002,
- 23603, 25400, 27379, 29254,
- 1267, 1915, 5483, 6812,
- 8229, 9919, 11589, 13337,
- 14747, 17965, 20552, 22167,
- 24519, 26819, 28883, 30642,
- 1526, 2229, 4240, 7388,
- 8953, 10450, 11899, 13718,
- 16861, 18323, 20379, 22672,
- 24797, 26906, 28906, 30622,
- 2175, 2791, 4104, 6875,
- 8612, 9798, 12152, 13536,
- 15623, 17682, 19213, 21060,
- 24382, 26760, 28633, 30248,
- 454, 1231, 4339, 5738,
- 7550, 9006, 10320, 13525,
- 16005, 17849, 20071, 21992,
- 23949, 26043, 28245, 30175,
- 2250, 2791, 4230, 5283,
- 6762, 10607, 11879, 13821,
- 15797, 17264, 20029, 22266,
- 24588, 26437, 28244, 30419,
- 1696, 2216, 4308, 8385,
- 9766, 11030, 12556, 14099,
- 16322, 17640, 19166, 20590,
- 23967, 26858, 28798, 30562,
- 2452, 3236, 4369, 6118,
- 7156, 9003, 11509, 12796,
- 15749, 17291, 19491, 22241,
- 24530, 26474, 28273, 30073,
- 1811, 2541, 3555, 5480,
- 9123, 10527, 11894, 13659,
- 15262, 16899, 19366, 21069,
- 22694, 24314, 27256, 29983,
- 1553, 2246, 4559, 5500,
- 6754, 7874, 11739, 13571,
- 15188, 17879, 20281, 22510,
- 24614, 26649, 28786, 30755,
- 1982, 2768, 3834, 5964,
- 8732, 9908, 11797, 14813,
- 16311, 17946, 21097, 22851,
- 24456, 26304, 28166, 29755,
- 1824, 2529, 3817, 5449,
- 6854, 8714, 10381, 12286,
- 14194, 15774, 19524, 21374,
- 23695, 26069, 28096, 30212,
- 2212, 2854, 3947, 5898,
- 9930, 11556, 12854, 14788,
- 16328, 17700, 20321, 22098,
- 23672, 25291, 26976, 28586,
- 2023, 2599, 4024, 4916,
- 6613, 11149, 12457, 14626,
- 16320, 17822, 19673, 21172,
- 23115, 26051, 28825, 30758,
- 1628, 2206, 3467, 4364,
- 8679, 10173, 11864, 13679,
- 14998, 16938, 19207, 21364,
- 23850, 26115, 28124, 30273,
- 2014, 2603, 4114, 7254,
- 8516, 10043, 11822, 13503,
- 16329, 17826, 19697, 21280,
- 23151, 24661, 26807, 30161,
- 2376, 2980, 4422, 5770,
- 7016, 9723, 11125, 13516,
- 15485, 16985, 19160, 20587,
- 24401, 27180, 29046, 30647,
- 2454, 3502, 4624, 6019,
- 7632, 8849, 10792, 13964,
- 15523, 17085, 19611, 21238,
- 22856, 25108, 28106, 29890,
- 1573, 2274, 3308, 5999,
- 8977, 10104, 12457, 14258,
- 15749, 18180, 19974, 21253,
- 23045, 25058, 27741, 30315,
- 1943, 2730, 4140, 6160,
- 7491, 8986, 11309, 12775,
- 14820, 16558, 17909, 19757,
- 21512, 23605, 27274, 29527,
- 2021, 2582, 4494, 5835,
- 6993, 8245, 9827, 14733,
- 16462, 17894, 19647, 21083,
- 23764, 26667, 29072, 30990,
- 1052, 1775, 3218, 4378,
- 7666, 9403, 11248, 13327,
- 14972, 17962, 20758, 22354,
- 25071, 27209, 29001, 30609,
- 2218, 2866, 4223, 5352,
- 6581, 9980, 11587, 13121,
- 15193, 16583, 18386, 20080,
- 22013, 25317, 28127, 29880,
- 2146, 2840, 4397, 5840,
- 7449, 8721, 10512, 11936,
- 13595, 17253, 19310, 20891,
- 23417, 25627, 27749, 30231,
- 1972, 2619, 3756, 6367,
- 7641, 8814, 12286, 13768,
- 15309, 18036, 19557, 20904,
- 22582, 24876, 27800, 30440,
- 2005, 2577, 4272, 7373,
- 8558, 10223, 11770, 13402,
- 16502, 18000, 19645, 21104,
- 22990, 26806, 29505, 30942,
- 1153, 1822, 3724, 5443,
- 6990, 8702, 10289, 11899,
- 13856, 15315, 17601, 21064,
- 23692, 26083, 28586, 30639,
- 1304, 1869, 3318, 7195,
- 9613, 10733, 12393, 13728,
- 15822, 17474, 18882, 20692,
- 23114, 25540, 27684, 29244,
- 2093, 2691, 4018, 6658,
- 7947, 9147, 10497, 11881,
- 15888, 17821, 19333, 21233,
- 23371, 25234, 27553, 29998,
- 575, 1331, 5304, 6910,
- 8425, 10086, 11577, 13498,
- 16444, 18527, 20565, 22847,
- 24914, 26692, 28759, 30157,
- 1435, 2024, 3283, 4156,
- 7611, 10592, 12049, 13927,
- 15459, 18413, 20495, 22270,
- 24222, 26093, 28065, 30099,
- 1632, 2168, 5540, 7478,
- 8630, 10391, 11644, 14321,
- 15741, 17357, 18756, 20434,
- 22799, 26060, 28542, 30696,
- 1407, 2245, 3405, 5639,
- 9419, 10685, 12104, 13495,
- 15535, 18357, 19996, 21689,
- 24351, 26550, 28853, 30564,
- 1675, 2226, 4005, 8223,
- 9975, 11155, 12822, 14316,
- 16504, 18137, 19574, 21050,
- 22759, 24912, 28296, 30634,
- 1080, 1614, 3622, 7565,
- 8748, 10303, 11713, 13848,
- 15633, 17434, 19761, 21825,
- 23571, 25393, 27406, 29063,
- 1693, 2229, 3456, 4354,
- 5670, 10890, 12563, 14167,
- 15879, 17377, 19817, 21971,
- 24094, 26131, 28298, 30099,
- 2042, 2959, 4195, 5740,
- 7106, 8267, 11126, 14973,
- 16914, 18295, 20532, 21982,
- 23711, 25769, 27609, 29351,
- 984, 1612, 3808, 5265,
- 6885, 8411, 9547, 10889,
- 12522, 16520, 19549, 21639,
- 23746, 26058, 28310, 30374,
- 2036, 2538, 4166, 7761,
- 9146, 10412, 12144, 13609,
- 15588, 17169, 18559, 20113,
- 21820, 24313, 28029, 30612,
- 1871, 2355, 4061, 5143,
- 7464, 10129, 11941, 15001,
- 16680, 18354, 19957, 22279,
- 24861, 26872, 28988, 30615,
- 2566, 3161, 4643, 6227,
- 7406, 9970, 11618, 13416,
- 15889, 17364, 19121, 20817,
- 22592, 24720, 28733, 31082,
- 1700, 2327, 4828, 5939,
- 7567, 9154, 11087, 12771,
- 14209, 16121, 20222, 22671,
- 24648, 26656, 28696, 30745,
- 3169, 3873, 5046, 6868,
- 8184, 9480, 12335, 14068,
- 15774, 17971, 20231, 21711,
- 23520, 25245, 27026, 28730,
- 1564, 2391, 4229, 6730,
- 8905, 10459, 13026, 15033,
- 17265, 19809, 21849, 23741,
- 25490, 27312, 29061, 30527,
- 2864, 3559, 4719, 6441,
- 9592, 11055, 12763, 14784,
- 16428, 18164, 20486, 22262,
- 24183, 26263, 28383, 30224,
- 2673, 3449, 4581, 5983,
- 6863, 8311, 12464, 13911,
- 15738, 17791, 19416, 21182,
- 24025, 26561, 28723, 30440,
- 2419, 3049, 4274, 6384,
- 8564, 9661, 11288, 12676,
- 14447, 17578, 19816, 21231,
- 23099, 25270, 26899, 28926,
- 1278, 2001, 3000, 5353,
- 9995, 11777, 13018, 14570,
- 16050, 17762, 19982, 21617,
- 23371, 25083, 27656, 30172,
- 932, 1624, 2798, 4570,
- 8592, 9988, 11552, 13050,
- 16921, 18677, 20415, 22810,
- 24817, 26819, 28804, 30385,
- 2324, 2973, 4156, 5702,
- 6919, 8806, 10259, 12503,
- 15015, 16567, 19418, 21375,
- 22943, 24550, 27024, 29849,
- 1564, 2373, 3455, 4907,
- 5975, 7436, 11786, 14505,
- 16107, 18148, 20019, 21653,
- 23740, 25814, 28578, 30372,
- 3025, 3729, 4866, 6520,
- 9487, 10943, 12358, 14258,
- 16174, 17501, 19476, 21408,
- 23227, 24906, 27347, 29407,
- 1270, 1965, 6802, 7995,
- 9204, 10828, 12507, 14230,
- 15759, 17860, 20369, 22502,
- 24633, 26514, 28535, 30525,
- 2210, 2749, 4266, 7487,
- 9878, 11018, 12823, 14431,
- 16247, 18626, 20450, 22054,
- 23739, 25291, 27074, 29169,
- 1275, 1926, 4330, 6573,
- 8441, 10920, 13260, 15008,
- 16927, 18573, 20644, 22217,
- 23983, 25474, 27372, 28645,
- 3015, 3670, 5086, 6372,
- 7888, 9309, 10966, 12642,
- 14495, 16172, 18080, 19972,
- 22454, 24899, 27362, 29975,
- 2882, 3733, 5113, 6482,
- 8125, 9685, 11598, 13288,
- 15405, 17192, 20178, 22426,
- 24801, 27014, 29212, 30811,
- 2300, 2968, 4101, 5442,
- 6327, 7910, 12455, 13862,
- 15747, 17505, 19053, 20679,
- 22615, 24658, 27499, 30065,
- 2257, 2940, 4430, 5991,
- 7042, 8364, 9414, 11224,
- 15723, 17420, 19253, 21469,
- 23915, 26053, 28430, 30384,
- 1227, 2045, 3818, 5011,
- 6990, 9231, 11024, 13011,
- 17341, 19017, 20583, 22799,
- 25195, 26876, 29351, 30805,
- 1354, 1924, 3789, 8077,
- 10453, 11639, 13352, 14817,
- 16743, 18189, 20095, 22014,
- 24593, 26677, 28647, 30256,
- 3142, 4049, 6197, 7417,
- 8753, 10156, 11533, 13181,
- 15947, 17655, 19606, 21402,
- 23487, 25659, 28123, 30304,
- 1317, 2263, 4725, 7611,
- 9667, 11634, 14143, 16258,
- 18724, 20698, 22379, 24007,
- 25775, 27251, 28930, 30593,
- 1570, 2323, 3818, 6215,
- 9893, 11556, 13070, 14631,
- 16152, 18290, 21386, 23346,
- 25114, 26923, 28712, 30168,
- 2297, 3905, 6287, 8558,
- 10668, 12766, 15019, 17102,
- 19036, 20677, 22341, 23871,
- 25478, 27085, 28851, 30520,
- 1915, 2507, 4033, 5749,
- 7059, 8871, 10659, 12198,
- 13937, 15383, 16869, 18707,
- 23175, 25818, 28514, 30501,
- 2404, 2918, 5190, 6252,
- 7426, 9887, 12387, 14795,
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+ 57, 75, 92, 109,
+ -107, -103, -92, -83,
+ -74, -62, -28, -18,
+ -4, 9, 22, 34,
+ 50, 67, 87, 107,
+ -116, -112, -75, -67,
+ -56, -45, -31, -16,
+ -5, 10, 30, 45,
+ 63, 79, 96, 111,
+ -106, -102, -88, -77,
+ -68, -52, -38, -25,
+ -4, 7, 23, 36,
+ 66, 84, 98, 111,
+ -103, -99, -87, -76,
+ -66, -56, -29, -13,
+ 0, 14, 31, 42,
+ 57, 71, 85, 96,
+ -114, -111, -91, -58,
+ -47, -38, -26, -14,
+ 3, 13, 26, 40,
+ 62, 80, 96, 110,
+ -114, -110, -90, -83,
+ -72, -64, -36, -24,
+ -13, 6, 28, 49,
+ 66, 81, 97, 112,
+ -109, -105, -91, -82,
+ -71, -51, -38, -24,
+ -10, 1, 20, 49,
+ 64, 78, 91, 106,
+ -111, -107, -90, -82,
+ -70, -60, -49, -12,
+ 0, 11, 25, 37,
+ 60, 82, 101, 114,
+ -111, -107, -93, -72,
+ -42, -30, -20, -8,
+ 4, 16, 34, 46,
+ 58, 70, 85, 98,
+ -112, -109, -80, -65,
+ -56, -44, -33, -17,
+ -3, 8, 20, 31,
+ 49, 79, 98, 112,
+ -104, -98, -84, -72,
+ -59, -45, -31, -18,
+ -1, 12, 31, 47,
+ 64, 81, 98, 110,
+ -110, -106, -92, -79,
+ -70, -59, -49, -39,
+ -1, 11, 22, 35,
+ 52, 69, 89, 109,
+ -113, -109, -101, -95,
+ -56, -44, -29, -16,
+ -2, 18, 33, 48,
+ 63, 78, 95, 110,
+ -109, -106, -94, -87,
+ -74, -41, -29, -14,
+ 1, 13, 28, 47,
+ 69, 84, 99, 111,
+ -115, -110, -101, -84,
+ -50, -32, -22, -11,
+ 1, 13, 30, 45,
+ 58, 72, 89, 107,
+ -106, -102, -89, -75,
+ -64, -55, -44, -34,
+ -13, 16, 32, 43,
+ 59, 73, 86, 100,
+ -111, -107, -94, -70,
+ -55, -46, -33, -21,
+ -7, 5, 19, 31,
+ 43, 55, 70, 103,
+ -102, -97, -80, -71,
+ -60, -49, -36, -24,
+ -8, 4, 19, 32,
+ 48, 63, 79, 100,
+ -113, -109, -90, -76,
+ -66, -53, -41, -29,
+ -16, -7, 5, 15,
+ 42, 69, 89, 108,
+ -108, -105, -93, -85,
+ -76, -62, -23, -8,
+ 4, 18, 33, 45,
+ 60, 74, 90, 105,
+ -114, -110, -89, -61,
+ -52, -42, -30, -18,
+ -4, 13, 26, 39,
+ 53, 67, 81, 96,
+ -99, -95, -86, -77,
+ -69, -60, -32, -15,
+ -2, 15, 35, 47,
+ 64, 80, 96, 110,
+ -115, -105, -80, -61,
+ -43, -27, -14, -1,
+ 13, 26, 40, 53,
+ 67, 80, 95, 110,
+ -100, -91, -72, -59,
+ -48, -38, -25, -13,
+ 1, 15, 28, 39,
+ 58, 75, 91, 105,
+ 0, 0, 0, -1,
+ -2, -2, -2, -4,
+ -5, -5, -7, -8,
+ -5, -2, 0, 1,
+ -1, -1, -3, -6,
+ -8, -2, -1, -2,
+ 1, 2, 3, 4,
+ 3, 3, 2, 1,
+ -3, -3, -6, 4,
+ 2, 1, -1, -2,
+ 0, 0, -1, 1,
+ 0, 1, 0, 0,
+ -2, -2, 9, 7,
+ 4, 3, 1, 1,
+ 0, 0, -2, -1,
+ -2, -2, 0, -1,
+ -2, -2, -1, -2,
+ -2, 1, 0, 0,
+ -1, -2, -3, -1,
+ -3, -2, -5, -6,
+ -1, -1, -4, -8,
+ 3, 2, 1, 3,
+ 1, 1, -1, 1,
+ 2, 3, 3, 1,
+ 0, 0, -2, -4,
+ -5, -7, -9, 4,
+ 2, 0, 1, 0,
+ -2, -1, 0, 0,
+ -3, -3, -1, 9,
+ 7, 6, 5, 4,
+ 3, 3, 4, 4,
+ 3, 3, 2, 1,
+ 8, 8, 6, 3,
+ 2, 0, 2, -1,
+ 0, 1, 1, 0,
+ -1, 0, 1, 0,
+ 2, 2, 3, 1,
+ 1, 1, 0, 6,
+ 6, 6, 7, 6,
+ 4, 3, 2, 0,
+ 1, 1, 0, -1,
+ -3, -4, -7, -10,
+ 0, 0, -1, 2,
+ 3, 2, 3, 2,
+ -1, 0, -1, -2,
+ -4, -5, 8, 5,
+ 3, 3, 1, -1,
+ -3, -3, -1, 0,
+ 2, 2, 2, 2,
+ 1, 1, 0, 0,
+ 0, 0, -2, -3,
+ -6, -10, -10, -1,
+ 1, 1, 1, -1,
+ -1, -2, -3, -5,
+ -8, -9, 4, 3,
+ 1, 1, 0, 1,
+ 0, 0, -2, -3,
+ 10, 9, 7, 4,
+ 2, 2, 1, 0,
+ -1, -3, -3, -2,
+ 2, 2, 2, 1,
+ 0, 1, 1, 0,
+ -1, 0, -2, -4,
+ 9, 7, 4, 1,
+ -1, -1, -2, -2,
+ -3, -3, -3, -1,
+ -2, -4, -3, -2,
+ 0, -1, 0, 1,
+ 0, 0, 3, 4,
+ 3, 2, 1, 1,
+ 0, -2, -3, -5,
+ -6, -2, -1, 0,
+ -2, -2, -4, -4,
+ 4, 2, 1, 1,
+ 0, 0, 0, 0,
+ 0, 1, 0, 0,
+ 1, 1, 0, -2,
+ -4, 5, 4, 3,
+ 4, 1, 0, 0,
+ 0, -1, 0, 0,
+ 3, 3, 2, 1,
+ 0, -1, -1, 0,
+ -1, -3, 0, 3,
+ 3, 3, 3, 3,
+ 0, 0, 1, 0,
+ 0, -3, -3, -5,
+ -7, 5, 3, 1,
+ 0, 0, 0, 0,
+ 1, 1, 1, 2,
+ 1, 0, 1, 2,
+ 1, 0, 3, 3,
+ 1, -2, -6, -7,
+ -1, -1, 1, 1,
+ 0, -1, -1, -1,
+ 7, 5, 3, 2,
+ 3, 2, 3, 2,
+ -2, -2, -2, 0,
+ -1, 0, -2, 5,
+ 2, 2, 2, 0,
+ 0, 0, -1, -1,
+ 0, 0, -1, -2,
+ -3, -5, 4, 1,
+ 1, 1, -2, -1,
+ 0, 2, 1, 0,
+ 2, 2, 0, -3,
+ 3, 2, 1, 1,
+ -1, -1, -1, -2,
+ -1, 0, -2, -2,
+ -1, -1, 1, 3,
+ 2, 2, 0, -1,
+ -2, -2, -4, -2,
+ 2, 2, 2, 1,
+ -1, -1, -1, -2,
+ -2, -1, -2, -2,
+ -3, -4, 4, 3,
+ 2, 2, -1, 0,
+ 1, 1, 1, 0,
+ -1, -1, -3, -6,
+ 4, 2, 0, -1,
+ -1, -1, -1, -1,
+ 0, 0, 3, 3,
+ 2, 2, 3, 1,
+ -1, 4, 3, 3,
+ 1, 0, -1, 1,
+ 1, 1, 1, 1,
+ 0, 0, -1, 0,
+ -1, -2, -1, -1,
+ -4, -6, 4, 2,
+ 0, -1, -4, 3,
+ 2, 0, 1, -1,
+ 0, 1, 0, -2,
+ -2, -1, -1, -1,
+ -1, -1, -1, -2,
+ -3, 3, 0, 0,
+ -1, -1, -1, -2,
+ -1, -1, 0, 1,
+ 1, 0, 1, 0,
+ -1, -2, -4, 4,
+ 2, 0, 0, -1,
+ 1, 1, 1, 1,
+ 1, 1, 0, -2,
+ -2, -3, 2, 0,
+ 0, 2, 2, 1,
+ 0, -3, -2, 1,
+ 0, 0, -1, 0,
+ 1, 2, 1, 0,
+ 2, 1, 3, 4,
+ 3, 1, 1, -1,
+ -2, -2, 4, 1,
+ 1, 0, 1, -1,
+ -2, -1, 0, -1,
+ 0, -1, 0, 0,
+ 1, 1, 1, 0,
+ 1, 1, 0, 0,
+ 0, 0, 1, -2,
+ -4, 5, 4, 2,
+ 1, 2, 0, 0,
+ 1, 0, 0, -3,
+ -1, -2, -5, 3,
+ 3, 0, -1, -2,
+ -1, -1, 0, -1,
+ -1, 0, 0, -1,
+ 2, 2, 0, -1,
+ -3, -2, -1, -2,
+ 0, 0, 1, 2,
+ 0, -1, -3, 1,
+ -1, -2, 2, 1,
+ -1, -2, -1, -1,
+ 0, 0, 1, 0,
+ -1, 1, -1, 2,
+ 1, 0, -3, 3,
+ 1, 2, 2, 0,
+ 0, 0, -2, 1,
+ 0, -1, 0, 0,
+ -2, 4, 2, 1,
+ 3, 1, 1, 0,
+ 0, 0, -1, -2,
+ 2, 1, 0, -2,
+ -1, 1, 0, 0,
+ -1, -1, 2, 2,
+ 1, 1, 1, 1,
+ 1, 1, 1, 1,
+ 2, 0, -2, -2,
+ 1, -1, -4, 2,
+ -1, -1, -1, -1,
+ -1, -1, 4, 1,
+ -1, -3, 1, 2,
+ 0, 0, 1, 1,
+ 1, 1, 0, 0,
+ 0, 0, -1, -2,
+ -1, -2, 0, -4,
+ 2, 4, 0, -2,
+ 1, 0, 0, -1,
+ -1, -2, -2, 1,
+ -2, 1, 1, -1,
+ -2, -1, -1, 0,
+ 1, 1, 0, 1,
+ 0, 2, 1, 0,
+ 0, -2, 1, 0,
+ -2, 0, 1, -2,
+ 0, -1, 0, 1,
+ 0, 0, 1, -1,
+ -1, 0, -3, 2,
+ -1, -2, 1, 1,
+ 0, -1, 1, 0,
+ 1, 1, 0, 0,
+ 1, -1, 2, 1,
+ 1, -1, -2, 3,
+ 0, -1, 1, 0,
+ 0, -1, 3, 1,
+ 1, 1, 0, 1,
+ 2, 2, -1, -3,
+ 0, -1, -3, 0,
+ 0, -1, -1, -1,
+ 2, -1, 0, 1,
+ 0, 2, 1, 1,
+ 0, 0, 0, -1,
+ 1, 0, 0, 1,
+ 0, 0, -1, -3,
+ 3, 0, 2, 1,
+ -3, 4, 1, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 1, 0, 0, 0,
+ 0, 0, 0, -1,
+ 0, -1, -1, 0,
+ 0, -2, -1, 1,
+ 0, -1, -2, -1,
+ 0, 2, 0, 0,
+ 1, -1, 0, 2,
+ 1, 0, -1, 0,
+ -2, 0, 0, 0,
+ -1, -1, 0, -1,
+ 0, -1, 0, 0,
+ -1, 1, -1, -2,
+ 0, 2, -2, 0,
+ 1, 0, 0, -1,
+ -2, 2, 0, 0,
+ 1, 2, 1, 1,
+ 0, 0, -1, 0,
+ 0, 0, 2, 0,
+ 0, -2, 0, -2,
+ 1, 1, 0, 1,
+ 0, 1, 1, 1,
+ 0, 0, -2, 1,
+ -1, 1, 1, -1,
+ 1, -1, 0, -2,
+ 0, -1, 2, 2,
+ -1, -1, 1, 1,
+ 1, 1, 0, 1,
+ 0, 1, 0, 0,
+ 0, -1, 2, -3,
+ 1, 0, 0, 1,
+ 2, 0, 0, -1,
+ -2, -2, 2, 0,
+ 0, 0, 0, 1,
+ 0, -1, 0, 2,
+ 0, 1, -1, -1,
+ 1, 0, -1, 0,
+ -1, 1, -1, 0,
+ -1, 0, -3, 0,
+ 0, 0, 0, 1,
+ -1, 0, 0, 0,
+ 1, -1, 0, 0,
+ 1, 0, 0, 0,
+ 0, -1, 2, 2,
+ 1, 1, 1, 0,
+ -1, 0, 1, 1,
+ 0, -1, 0, 0,
+ -2, 0, -1, 0,
+ -1, 0, 1, 0,
+ 0, 1, 2, 1,
+ 1, 0, 1, 0,
+ -1, 1, 1, 0,
+ -2, 0, -1, -1,
+ 1, -1, -1, -1,
+ 0, 0, 0, -2,
+ 2, 0, -1, 0,
+ -1, 1, 0, 1,
+ 0, 1, 0, -1,
+ 1, 1, 0, 0,
+ -1, -1, -1, -1,
+ 1, 0, 0, 0,
+ 1, -1, 0, 0,
+ -2, 1, 1, 0,
+ 1, 0, 1, -1,
+ 0, -1, 0, 0,
+ 0, 0, 0, 0,
+ -1, 0, 1, 2,
+ -1, 0, 1, 1,
+ 0, -1, 0, 0,
+ 1, 0, 0, -1,
+ 1, 1, -1, 0,
+ -1, 0, 0, 0,
+ 0, -1, 0, 1,
+ -1, 1, -1, 1,
+ 1, 1, 1, 1,
+ 0, 1, 0, 0,
+ 0, 2, 0, -1,
+ 0, 0, 1, 1,
+ -2, 1, 0, 1,
+ 0, 1, -2, -1,
+ -1, 0, -1, 0,
+ 0, 0, 0, 0,
+ -2, -1, 0, -1,
+ 0, -1, 0, 1,
+ 1, 1, -1, 0,
+ 1, -1, 0, 1,
+ 0, -1, -1, 0,
+ 0, 0, 0, -1,
+ 0, 1, 1, 2,
+ -2, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 1, -1, 2, -2,
+ 0, 0, -1, -1,
+ 0, 0, 2, -1,
+ 0, 1, -1, 0,
+ 1, -1, -1, -1,
+ -1, 0, 0, 0,
+ 0, -1, 0, 0,
+ 1, 2, 1, 1,
+ -1, -1, 0, 0,
+ -1, 1, 0, 1,
+ 1, 0, 0, 0,
+ 0, 0, -2, 1,
+ 0, 0, 1, 1,
+ 1, 1, 1, 1,
+ 1, 0, -1, 0,
+ 2, 0, 0, 0,
+ 2, 0, -1, 0,
+ 0, -1, 0, -1,
+ 1, 0, -1, 0,
+ -1, -1, 0, 0,
+ 0, 1, -2, 0,
+ 0, 0, 1, -1,
+ 0, -1, 0, 1,
+ 1, -2, 0, 0,
+ -1, -1, -1, -1,
+ 0, 0, 0, 0,
+ 0, 0, -1, -1,
+ 0, 1, 2, -2,
+ 0, 0, 0, 0,
+ 1, 1, 0, 0,
+ 0, -1, 0, 0,
+ 0, 0, 0, -2,
+ -1, 0, 0, -1,
+ 1, -2, -1, 0,
+ 0, 1, 0, -1,
+ 0, 0, 1, 0,
+ -1, 0, 1, 0,
+ 1, -1, 1, 0
};
const SKP_Silk_NLSF_CBS SKP_Silk_NLSF_CB0_16_Stage_info[ NLSF_MSVQ_CB0_16_STAGES ] =
{
- { 128, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 0 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 0 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 128 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 128 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 144 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 144 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 152 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 152 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 160 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 160 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 168 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 168 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 176 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 176 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 184 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 184 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 192 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 192 ] },
- { 16, &SKP_Silk_NLSF_MSVQ_CB0_16_Q15[ 16 * 200 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q5[ 200 ] }
+ { 64, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 0 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 0 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 64 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 64 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 80 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 80 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 88 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 88 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 96 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 96 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 104 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 104 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 112 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 112 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 120 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 120 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 128 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 128 ] },
+ { 16, &SKP_Silk_NLSF_MSVQ_CB0_16_Q8[ 16 * 136 ], &SKP_Silk_NLSF_MSVQ_CB0_16_rates_Q4[ 136 ] }
};
const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB0_16 =
--- a/src_common/SKP_Silk_tables_NLSF_CB0_16.h
+++ b/src_common/SKP_Silk_tables_NLSF_CB0_16.h
@@ -36,7 +36,7 @@
#endif
#define NLSF_MSVQ_CB0_16_STAGES 10
-#define NLSF_MSVQ_CB0_16_VECTORS 216
+#define NLSF_MSVQ_CB0_16_VECTORS 152
/* NLSF codebook entropy coding tables */
extern const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB0_16_CDF[ NLSF_MSVQ_CB0_16_VECTORS + NLSF_MSVQ_CB0_16_STAGES ];
--- a/src_common/SKP_Silk_tables_NLSF_CB1_10.c
+++ b/src_common/SKP_Silk_tables_NLSF_CB1_10.c
@@ -28,91 +28,101 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 0.19 + 1.61 kB */
+/* ROM usage: 0.22 + 0.90 kB */
/**********************************************/
#include "SKP_Silk_structs.h"
+#include "SKP_Silk_tables.h"
#include "SKP_Silk_tables_NLSF_CB1_10.h"
const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ NLSF_MSVQ_CB1_10_VECTORS + NLSF_MSVQ_CB1_10_STAGES ] =
{
0,
- 17096,
- 24130,
- 28997,
- 33179,
- 36696,
- 40213,
- 42493,
- 44252,
- 45973,
- 47551,
- 49095,
- 50542,
- 51898,
- 53196,
- 54495,
- 55685,
- 56851,
- 57749,
- 58628,
- 59435,
- 60207,
- 60741,
- 61220,
- 61700,
- 62179,
- 62659,
- 63138,
- 63617,
- 64097,
- 64576,
- 65056,
+ 21247,
+ 28440,
+ 34489,
+ 38585,
+ 41021,
+ 43353,
+ 45401,
+ 47050,
+ 48562,
+ 49890,
+ 51162,
+ 52379,
+ 53597,
+ 54536,
+ 55435,
+ 56260,
+ 57049,
+ 57805,
+ 58562,
+ 59286,
+ 59979,
+ 60588,
+ 61122,
+ 61613,
+ 62103,
+ 62593,
+ 63084,
+ 63574,
+ 64064,
+ 64554,
+ 65045,
65535,
0,
- 20378,
- 33032,
- 40395,
- 46721,
- 51707,
- 56585,
- 61157,
+ 34067,
+ 42961,
+ 48025,
+ 52103,
+ 55532,
+ 58961,
+ 62391,
65535,
0,
- 15055,
- 25472,
- 35447,
- 42501,
- 48969,
- 54773,
- 60212,
+ 30146,
+ 40804,
+ 46615,
+ 50906,
+ 55016,
+ 58624,
+ 62080,
65535,
0,
- 12069,
- 22440,
- 32812,
- 40145,
- 46870,
- 53595,
- 59630,
+ 31530,
+ 38758,
+ 44096,
+ 48990,
+ 53478,
+ 57776,
+ 62074,
65535,
0,
- 10839,
- 19954,
- 27957,
- 35961,
- 43965,
- 51465,
- 58805,
+ 14400,
+ 25503,
+ 35253,
+ 44194,
+ 52756,
+ 58308,
+ 62234,
65535,
0,
- 8933,
- 17674,
- 26415,
- 34785,
- 42977,
- 50820,
- 58496,
+ 26248,
+ 35939,
+ 44449,
+ 49733,
+ 53988,
+ 58062,
+ 61799,
+ 65535,
+ 0,
+ 20097,
+ 31540,
+ 38344,
+ 44584,
+ 50823,
+ 56798,
+ 62277,
65535
};
@@ -123,446 +133,493 @@
&SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ 42 ],
&SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ 51 ],
&SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ 60 ],
- &SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ 69 ]
+ &SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ 69 ],
+ &SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ 78 ]
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB1_10_CDF_middle_idx[ NLSF_MSVQ_CB1_10_STAGES ] =
{
- 5,
- 3,
4,
+ 2,
+ 2,
+ 2,
4,
- 5,
- 5
+ 3,
+ 3
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ NLSF_MSVQ_CB1_10_VECTORS ] =
+const SKP_uint8 SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ NLSF_MSVQ_CB1_10_VECTORS ] =
{
- 62, 103,
- 120, 127,
- 135, 135,
- 155, 167,
- 168, 172,
- 173, 176,
- 179, 181,
- 181, 185,
- 186, 198,
- 199, 203,
- 205, 222,
- 227, 227,
- 227, 227,
- 227, 227,
- 227, 227,
- 227, 227,
- 54, 76,
- 101, 108,
- 119, 120,
- 123, 125,
- 68, 85,
- 87, 103,
- 107, 112,
- 115, 116,
- 78, 85,
- 85, 101,
- 105, 105,
- 110, 111,
- 83, 91,
- 97, 97,
- 97, 100,
- 101, 105,
- 92, 93,
- 93, 95,
- 96, 98,
- 99, 103
+ 26, 51,
+ 55, 64,
+ 76, 77,
+ 80, 85,
+ 87, 90,
+ 91, 92,
+ 92, 98,
+ 99, 101,
+ 102, 103,
+ 103, 104,
+ 105, 108,
+ 111, 113,
+ 113, 113,
+ 113, 113,
+ 113, 113,
+ 113, 113,
+ 15, 46,
+ 59, 64,
+ 68, 68,
+ 68, 70,
+ 18, 42,
+ 56, 63,
+ 64, 67,
+ 68, 68,
+ 17, 51,
+ 58, 60,
+ 62, 63,
+ 63, 68,
+ 35, 41,
+ 44, 46,
+ 47, 57,
+ 65, 69,
+ 21, 44,
+ 47, 58,
+ 63, 64,
+ 66, 66,
+ 27, 40,
+ 52, 54,
+ 54, 55,
+ 57, 69
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB1_10_ndelta_min_Q15[ 10 + 1 ] =
{
- 462,
+ 293,
+ 32,
+ 225,
+ 280,
+ 153,
+ 23,
+ 13,
+ 14,
+ 9,
3,
- 64,
- 74,
- 98,
- 50,
- 97,
- 68,
- 120,
- 53,
- 639
+ 688
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * NLSF_MSVQ_CB1_10_VECTORS ] =
+const SKP_int8 SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * NLSF_MSVQ_CB1_10_VECTORS ] =
{
- 1877, 4646,
- 7712, 10745,
- 13964, 17028,
- 20239, 23182,
- 26471, 29287,
- 1612, 3278,
- 7086, 9975,
- 13228, 16264,
- 19596, 22690,
- 26037, 28965,
- 2169, 3830,
- 6460, 8958,
- 11960, 14750,
- 18408, 21659,
- 25018, 28043,
- 3680, 6024,
- 8986, 12256,
- 15201, 18188,
- 21741, 24460,
- 27484, 30059,
- 2584, 5187,
- 7799, 10902,
- 13179, 15765,
- 19017, 22431,
- 25891, 28698,
- 3731, 5751,
- 8650, 11742,
- 15090, 17407,
- 20391, 23421,
- 26228, 29247,
- 2107, 6323,
- 8915, 12226,
- 14775, 17791,
- 20664, 23679,
- 26829, 29353,
- 1677, 2870,
- 5386, 8077,
- 11817, 15176,
- 18657, 22006,
- 25513, 28689,
- 2111, 3625,
- 7027, 10588,
- 14059, 17193,
- 21137, 24260,
- 27577, 30036,
- 2428, 4010,
- 5765, 9376,
- 13805, 15821,
- 19444, 22389,
- 25295, 29310,
- 2256, 4628,
- 8377, 12441,
- 15283, 19462,
- 22257, 25551,
- 28432, 30304,
- 2352, 3675,
- 6129, 11868,
- 14551, 16655,
- 19624, 21883,
- 26526, 28849,
- 5243, 7248,
- 10558, 13269,
- 15651, 17919,
- 21141, 23827,
- 27102, 29519,
- 4422, 6725,
- 10449, 13273,
- 16124, 19921,
- 22826, 26061,
- 28763, 30583,
- 4508, 6291,
- 9504, 11809,
- 13827, 15950,
- 19077, 22084,
- 25740, 28658,
- 2540, 4297,
- 8579, 13578,
- 16634, 19101,
- 21547, 23887,
- 26777, 29146,
- 3377, 6358,
- 10224, 14518,
- 17905, 21056,
- 23637, 25784,
- 28161, 30109,
- 4177, 5942,
- 8159, 10108,
- 12130, 15470,
- 20191, 23326,
- 26782, 29359,
- 2492, 3801,
- 6144, 9825,
- 16000, 18671,
- 20893, 23663,
- 25899, 28974,
- 3011, 4727,
- 6834, 10505,
- 12465, 14496,
- 17065, 20052,
- 25265, 28057,
- 4149, 7197,
- 12338, 15076,
- 18002, 20190,
- 22187, 24723,
- 27083, 29125,
- 2975, 4578,
- 6448, 8378,
- 9671, 13225,
- 19502, 22277,
- 26058, 28850,
- 4102, 5760,
- 7744, 9484,
- 10744, 12308,
- 14677, 19607,
- 24841, 28381,
- 4931, 9287,
- 12477, 13395,
- 13712, 14351,
- 16048, 19867,
- 24188, 28994,
- 4141, 7867,
- 13140, 17720,
- 20064, 21108,
- 21692, 22722,
- 23736, 27449,
- 4011, 8720,
- 13234, 16206,
- 17601, 18289,
- 18524, 19689,
- 23234, 27882,
- 3420, 5995,
- 11230, 15117,
- 15907, 16783,
- 17762, 23347,
- 26898, 29946,
- 3080, 6786,
- 10465, 13676,
- 18059, 23615,
- 27058, 29082,
- 29563, 29905,
- 3038, 5620,
- 9266, 12870,
- 18803, 19610,
- 20010, 20802,
- 23882, 29306,
- 3314, 6420,
- 9046, 13262,
- 15869, 23117,
- 23667, 24215,
- 24487, 25915,
- 3469, 6963,
- 10103, 15282,
- 20531, 23240,
- 25024, 26021,
- 26736, 27255,
- 3041, 6459,
- 9777, 12896,
- 16315, 19410,
- 24070, 29353,
- 31795, 32075,
- -200, -134,
- -113, -204,
- -347, -440,
- -352, -211,
- -418, -172,
- -313, 59,
- 495, 772,
- 721, 614,
- 334, 444,
- 225, 242,
- 161, 16,
- 274, 564,
- -73, -188,
- -395, -171,
- 777, 508,
- 1340, 1145,
- 699, 196,
- 223, 173,
- 90, 25,
- -26, 18,
- 133, -105,
- -360, -277,
- 859, 634,
- 41, -557,
- -768, -926,
- -601, -1021,
- -1189, -365,
- 225, 107,
- 374, -50,
- 433, 417,
- 156, 39,
- -597, -1397,
- -1594, -592,
- -485, -292,
- 253, 87,
- -0, -6,
- -25, -345,
- -240, 120,
- 1261, 946,
- 166, -277,
- 241, 167,
- 170, 429,
- 518, 714,
- 602, 254,
- 134, 92,
- -152, -324,
- -394, 49,
- -151, -304,
- -724, -657,
- -162, -369,
- -35, 3,
- -2, -312,
- -200, -92,
- -227, 242,
- 628, 565,
- -124, 1056,
- 770, 101,
- -84, -33,
- 4, -192,
- -272, 5,
- -627, -977,
- 419, 472,
- 53, -103,
- 145, 322,
- -95, -31,
- -100, -303,
- -560, -1067,
- -413, 714,
- 283, 2,
- -223, -367,
- 523, 360,
- -38, -115,
- 378, -591,
- -718, 448,
- -481, -274,
- 180, -88,
- -581, -157,
- -696, -1265,
- 394, -479,
- -23, 124,
- -43, 19,
- -113, -236,
- -412, -659,
- -200, 2,
- -69, -342,
- 199, 55,
- 58, -36,
- -51, -62,
- 507, 507,
- 427, 442,
- 36, 601,
- -141, 68,
- 274, 274,
- 68, -12,
- -4, 71,
- -193, -464,
- -425, -383,
- 408, 203,
- -337, 236,
- 410, -59,
- -25, -341,
- -449, 28,
- -9, 90,
- 332, -14,
- -905, 96,
- -540, -242,
- 679, -59,
- 192, -24,
- 60, -217,
- 5, -37,
- 179, -20,
- 311, 519,
- 274, 72,
- -326, -1030,
- -262, 213,
- 380, 82,
- 328, 411,
- -540, 574,
- -283, 151,
- 181, -402,
- -278, -240,
- -110, -227,
- -264, -89,
- -250, -259,
- -27, 106,
- -239, -98,
- -390, 118,
- 61, 104,
- 294, 532,
- 92, -13,
- 60, -233,
- 335, 541,
- 307, -26,
- -110, -91,
- -231, -460,
- 170, 201,
- 96, -372,
- 132, 435,
- -302, 216,
- -279, -41,
- 74, 190,
- 368, 273,
- -186, -608,
- -157, 159,
- 12, 278,
- 245, 307,
- 25, -187,
- -16, 55,
- 30, -163,
- 548, -307,
- 106, -5,
- 27, 330,
- -416, 475,
- 438, -235,
- 104, 137,
- 21, -5,
- -300, -468,
- 521, -347,
- 170, -200,
- -219, 308,
- -122, -133,
- 219, -16,
- 359, 412,
- -89, -111,
- 48, 322,
- 142, 177,
- -286, -127,
- -39, -63,
- -42, -451,
- 160, 308,
- -57, 193,
- -48, 74,
- -346, 59,
- -27, 27,
- -469, -277,
- -344, 282,
- 262, 122,
- 171, -249,
- 27, 258,
- 188, -3,
- 67, -206,
- -284, 291,
- -117, -88,
- -477, 375,
- 50, 106,
- 99, -182,
- 438, -376,
- -401, -49,
- 119, -23,
- -10, -48,
- -116, -200,
- -310, 121,
- 73, 7,
- 237, -226,
- 139, -456,
- 397, 35,
- 3, -108,
- 323, -75,
- 332, 198,
- -99, -21
+ -113, -92,
+ -68, -43,
+ -20, 3,
+ 28, 52,
+ 78, 100,
+ -114, -101,
+ -75, -53,
+ -30, -7,
+ 20, 45,
+ 72, 96,
+ -98, -81,
+ -58, -33,
+ -10, 10,
+ 35, 58,
+ 82, 103,
+ -110, -99,
+ -80, -61,
+ -38, -15,
+ 12, 38,
+ 66, 89,
+ -115, -108,
+ -77, -49,
+ -21, 4,
+ 29, 53,
+ 79, 102,
+ -101, -81,
+ -55, -29,
+ -7, 23,
+ 47, 71,
+ 93, 110,
+ -100, -83,
+ -65, -44,
+ -25, -7,
+ 19, 45,
+ 72, 96,
+ -110, -100,
+ -85, -45,
+ -25, -8,
+ 22, 39,
+ 78, 97,
+ -115, -107,
+ -89, -69,
+ -36, -9,
+ 20, 45,
+ 72, 99,
+ -113, -99,
+ -69, -38,
+ -12, 16,
+ 44, 68,
+ 92, 109,
+ -109, -98,
+ -84, -60,
+ -19, -3,
+ 18, 43,
+ 61, 98,
+ -99, -77,
+ -46, -17,
+ 10, 35,
+ 55, 74,
+ 92, 106,
+ -105, -91,
+ -70, -42,
+ -1, 17,
+ 35, 58,
+ 75, 99,
+ -90, -77,
+ -53, -38,
+ -21, 0,
+ 28, 49,
+ 76, 97,
+ -110, -101,
+ -80, -29,
+ -8, 6,
+ 30, 48,
+ 82, 99,
+ -110, -92,
+ -55, -19,
+ 4, 25,
+ 43, 62,
+ 84, 101,
+ -101, -88,
+ -73, -58,
+ -45, -26,
+ 21, 46,
+ 71, 98,
+ -83, -67,
+ -40, -22,
+ -2, 19,
+ 41, 63,
+ 85, 103,
+ -112, -103,
+ -89, -62,
+ -8, 15,
+ 33, 56,
+ 74, 97,
+ -117, -73,
+ -56, -33,
+ -13, 11,
+ 34, 57,
+ 80, 101,
+ -110, -100,
+ -84, -72,
+ -59, -15,
+ 21, 45,
+ 76, 96,
+ -103, -90,
+ -72, -59,
+ -40, 1,
+ 32, 56,
+ 82, 98,
+ -107, -97,
+ -79, -54,
+ -37, -21,
+ -4, 22,
+ 71, 94,
+ -97, -67,
+ -27, -2,
+ 29, 44,
+ 58, 71,
+ 82, 98,
+ -89, -74,
+ -55, -45,
+ -30, -18,
+ -2, 23,
+ 65, 97,
+ -106, -82,
+ -56, -31,
+ -5, 34,
+ 59, 65,
+ 68, 78,
+ -107, -82,
+ -57, -31,
+ 20, 31,
+ 34, 35,
+ 68, 103,
+ -109, -83,
+ -56, -32,
+ -6, 18,
+ 49, 82,
+ 109, 116,
+ -103, -82,
+ -50, -17,
+ -6, 2,
+ 19, 56,
+ 83, 105,
+ -106, -82,
+ -54, -30,
+ -1, 32,
+ 41, 49,
+ 52, 98,
+ -98, -66,
+ -36, 0,
+ 5, 12,
+ 14, 26,
+ 64, 97,
+ -105, -80,
+ -53, -29,
+ 2, 30,
+ 76, 90,
+ 94, 96,
+ -2, -2,
+ -2, 0,
+ -1, -1,
+ -1, 0,
+ 0, 0,
+ 2, 2,
+ 3, 4,
+ 3, 5,
+ 7, 6,
+ 4, 2,
+ 8, 9,
+ 5, -2,
+ 1, 1,
+ 1, 0,
+ -2, -2,
+ 1, 1,
+ 2, -2,
+ -7, -11,
+ -11, 0,
+ -1, 0,
+ 1, 0,
+ -3, -2,
+ -6, -3,
+ 2, -4,
+ 10, 5,
+ -1, -3,
+ -5, -7,
+ 11, 7,
+ 4, -1,
+ 1, 1,
+ 0, 1,
+ 7, 10,
+ 3, -1,
+ -6, -2,
+ -3, -4,
+ 0, -1,
+ -2, -2,
+ 0, 3,
+ 0, -5,
+ -11, -10,
+ -1, 1,
+ 1, 1,
+ 1, 1,
+ 1, 1,
+ 1, 0,
+ 2, 1,
+ -2, -4,
+ -5, -3,
+ -3, -3,
+ -3, -3,
+ 3, 2,
+ 3, 5,
+ 4, 0,
+ -3, -9,
+ -5, -1,
+ 3, 2,
+ 2, -1,
+ -1, -1,
+ -2, 6,
+ 7, 6,
+ -2, -5,
+ -9, -4,
+ -1, -3,
+ -3, 1,
+ 2, 2,
+ -6, -9,
+ 6, 3,
+ 3, 1,
+ 2, 1,
+ -1, -1,
+ 3, 1,
+ -2, 2,
+ 4, -3,
+ 9, 3,
+ -3, 4,
+ 1, 0,
+ -1, -4,
+ -6, 11,
+ 4, 1,
+ 2, -1,
+ -1, -1,
+ -1, -2,
+ 0, 0,
+ 0, 0,
+ -1, 0,
+ 6, 3,
+ 1, 0,
+ 1, 1,
+ 1, -1,
+ 1, 2,
+ -5, 6,
+ 3, 2,
+ 3, 4,
+ 2, 1,
+ 0, 1,
+ 0, -1,
+ -2, 2,
+ 1, -1,
+ -6, -8,
+ 2, -1,
+ 0, -1,
+ 8, 1,
+ -5, 0,
+ -1, -1,
+ 0, 0,
+ 0, 0,
+ -2, 0,
+ -2, -8,
+ 3, 0,
+ 2, 2,
+ 1, 1,
+ 0, 0,
+ 1, 0,
+ -2, 10,
+ 1, -4,
+ -1, -4,
+ -6, 6,
+ 3, 4,
+ 4, 1,
+ -1, -2,
+ 0, 1,
+ 2, 1,
+ 1, 4,
+ 1, 1,
+ -1, -2,
+ 0, 4,
+ 2, 0,
+ -1, -2,
+ -1, -2,
+ 1, 0,
+ -1, -2,
+ -2, 1,
+ -1, -4,
+ 0, -1,
+ -1, -4,
+ 0, -1,
+ -2, -4,
+ -1, 0,
+ 3, 3,
+ 1, 1,
+ -1, -3,
+ 1, 1,
+ 1, 1,
+ -1, -2,
+ 4, 3,
+ 2, 0,
+ -1, -2,
+ 5, -1,
+ -3, 0,
+ -1, 0,
+ 0, -1,
+ 0, 0,
+ 0, -2,
+ 0, -1,
+ -7, 6,
+ 2, 0,
+ -2, 4,
+ -4, 1,
+ -1, 1,
+ 1, 0,
+ 1, -1,
+ 1, 2,
+ 2, 0,
+ 1, 1,
+ 0, 1,
+ -1, 1,
+ 1, -4,
+ 2, -1,
+ 0, -1,
+ -1, -1,
+ 0, -1,
+ -3, -1,
+ -2, 1,
+ 1, -3,
+ -1, 1,
+ 1, 1,
+ -2, 1,
+ 0, 1,
+ -5, 1,
+ -2, 1,
+ 1, 1,
+ -2, 0,
+ 0, 1,
+ -1, 0,
+ 5, -3,
+ 0, -3,
+ 2, 0,
+ -3, -2,
+ -2, 0,
+ 0, -1,
+ 2, 2,
+ 1, 0,
+ -4, -1,
+ 2, 1,
+ -1, -3,
+ -5, 1,
+ 1, 2,
+ -2, 0,
+ 1, 1,
+ 2, 2,
+ 1, 1,
+ 0, -1,
+ -2, -1,
+ 0, 0,
+ 0, 2,
+ 0, 0,
+ 1, -1,
+ 0, 3,
+ -2, -1,
+ 1, 0,
+ 0, 0,
+ 1, 0,
+ 0, 0,
+ 4, -1,
+ 1, -3,
+ 0, 1,
+ 1, 4,
+ 0, -1,
+ -1, 0,
+ -1, -1,
+ -2, -3,
+ -1, 0,
+ -1, 0,
+ 0, 1,
+ -3, 0,
+ -1, 2,
+ -4, 0,
+ 1, 1,
+ 1, 1,
+ 0, 0,
+ -2, -1,
+ 0, 0,
+ 3, -2,
+ -1, 1,
+ 1, 1,
+ 4, -1,
+ -1, 0,
+ 1, 0,
+ 0, 0,
+ 0, -1
};
const SKP_Silk_NLSF_CBS SKP_Silk_NLSF_CB1_10_Stage_info[ NLSF_MSVQ_CB1_10_STAGES ] =
{
- { 32, &SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * 0 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ 0 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * 32 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ 32 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * 40 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ 40 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * 48 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ 48 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * 56 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ 56 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q15[ 10 * 64 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q5[ 64 ] }
+ { 32, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 0 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 0 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 32 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 32 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 40 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 40 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 48 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 48 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 56 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 56 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 64 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 64 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_10_Q8[ 10 * 72 ], &SKP_Silk_NLSF_MSVQ_CB1_10_rates_Q4[ 72 ] }
};
const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB1_10 =
--- a/src_common/SKP_Silk_tables_NLSF_CB1_10.h
+++ b/src_common/SKP_Silk_tables_NLSF_CB1_10.h
@@ -35,8 +35,8 @@
{
#endif
-#define NLSF_MSVQ_CB1_10_STAGES 6
-#define NLSF_MSVQ_CB1_10_VECTORS 72
+#define NLSF_MSVQ_CB1_10_STAGES 7
+#define NLSF_MSVQ_CB1_10_VECTORS 80
/* NLSF codebook entropy coding tables */
extern const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB1_10_CDF[ NLSF_MSVQ_CB1_10_VECTORS + NLSF_MSVQ_CB1_10_STAGES ];
--- a/src_common/SKP_Silk_tables_NLSF_CB1_16.c
+++ b/src_common/SKP_Silk_tables_NLSF_CB1_16.c
@@ -28,127 +28,128 @@
/**********************************************/
/* This file has been automatically generated */
/* */
-/* ROM usage: 0.29 + 3.57 kB */
+/* ROM usage: 0.29 + 1.80 kB */
/**********************************************/
#include "SKP_Silk_structs.h"
+#include "SKP_Silk_tables.h"
#include "SKP_Silk_tables_NLSF_CB1_16.h"
const SKP_uint16 SKP_Silk_NLSF_MSVQ_CB1_16_CDF[ NLSF_MSVQ_CB1_16_VECTORS + NLSF_MSVQ_CB1_16_STAGES ] =
{
0,
- 19099,
- 26957,
- 30639,
- 34242,
- 37546,
- 40447,
- 43287,
- 46005,
- 48445,
- 49865,
- 51284,
- 52673,
- 53975,
- 55221,
- 56441,
- 57267,
- 58025,
- 58648,
- 59232,
- 59768,
- 60248,
- 60729,
- 61210,
- 61690,
- 62171,
- 62651,
- 63132,
- 63613,
- 64093,
- 64574,
- 65054,
+ 17152,
+ 24057,
+ 28733,
+ 32040,
+ 34820,
+ 37262,
+ 39228,
+ 41194,
+ 42997,
+ 44723,
+ 46376,
+ 47959,
+ 49543,
+ 50994,
+ 52446,
+ 53777,
+ 54897,
+ 56016,
+ 57088,
+ 58071,
+ 59013,
+ 59876,
+ 60667,
+ 61305,
+ 61942,
+ 62455,
+ 62969,
+ 63482,
+ 63995,
+ 64508,
+ 65022,
65535,
0,
- 28808,
- 38775,
- 46801,
- 51785,
- 55886,
- 59410,
- 62572,
+ 27679,
+ 38351,
+ 48138,
+ 52625,
+ 56739,
+ 60199,
+ 62867,
65535,
0,
- 27376,
- 38639,
- 45052,
- 51465,
- 55448,
- 59021,
- 62594,
+ 31319,
+ 40235,
+ 45312,
+ 50174,
+ 54632,
+ 59091,
+ 62383,
65535,
0,
- 33403,
- 39569,
- 45102,
- 49961,
- 54047,
- 57959,
- 61788,
+ 39134,
+ 44026,
+ 48322,
+ 52261,
+ 55873,
+ 59185,
+ 62498,
65535,
0,
- 25851,
- 43356,
- 47828,
- 52204,
- 55964,
- 59413,
- 62507,
+ 42248,
+ 46688,
+ 50941,
+ 55013,
+ 58437,
+ 61078,
+ 63499,
65535,
0,
- 34277,
- 40337,
- 45432,
- 50311,
- 54326,
- 58171,
- 61853,
+ 44150,
+ 48053,
+ 51334,
+ 54477,
+ 57486,
+ 60245,
+ 63005,
65535,
0,
- 33538,
- 39865,
- 45302,
- 50076,
- 54549,
- 58478,
- 62159,
+ 40440,
+ 45076,
+ 49515,
+ 53089,
+ 56512,
+ 59651,
+ 62657,
65535,
0,
- 27445,
- 35258,
- 40665,
- 46072,
- 51362,
- 56540,
- 61086,
+ 31605,
+ 39507,
+ 45094,
+ 50444,
+ 55567,
+ 59351,
+ 62973,
65535,
0,
- 22080,
- 30779,
- 37065,
- 43085,
- 48849,
- 54613,
- 60133,
+ 28639,
+ 39681,
+ 47834,
+ 52682,
+ 55965,
+ 59248,
+ 62391,
65535,
0,
- 13417,
- 21748,
- 30078,
- 38231,
- 46383,
- 53091,
- 59515,
+ 17932,
+ 34375,
+ 42961,
+ 49875,
+ 55689,
+ 59458,
+ 62628,
65535
};
@@ -175,520 +176,520 @@
2,
2,
2,
- 3,
- 3,
- 4
+ 2,
+ 2,
+ 3
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ NLSF_MSVQ_CB1_16_VECTORS ] =
+const SKP_uint8 SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ NLSF_MSVQ_CB1_16_VECTORS ] =
{
- 57, 98,
- 133, 134,
- 138, 144,
- 145, 147,
- 152, 177,
- 177, 178,
- 181, 183,
- 184, 202,
- 206, 215,
- 218, 222,
- 227, 227,
- 227, 227,
- 227, 227,
- 227, 227,
- 227, 227,
- 227, 227,
- 38, 87,
- 97, 119,
- 128, 135,
- 140, 143,
- 40, 81,
- 107, 107,
- 129, 134,
- 134, 143,
- 31, 109,
- 114, 120,
- 128, 130,
- 131, 132,
- 43, 61,
- 124, 125,
- 132, 136,
- 141, 142,
- 30, 110,
- 118, 120,
- 129, 131,
- 133, 133,
- 31, 108,
- 115, 121,
- 124, 130,
- 133, 137,
- 40, 98,
- 115, 115,
- 116, 117,
- 123, 124,
- 50, 93,
- 108, 110,
+ 31, 52,
+ 61, 69,
+ 73, 76,
+ 81, 81,
+ 83, 84,
+ 85, 86,
+ 86, 88,
+ 88, 90,
+ 94, 94,
+ 95, 97,
+ 98, 100,
+ 102, 107,
+ 107, 112,
112, 112,
- 114, 115,
- 73, 95,
- 95, 96,
- 96, 105,
- 107, 110
+ 112, 112,
+ 112, 112,
+ 20, 42,
+ 44, 62,
+ 64, 68,
+ 74, 74,
+ 17, 46,
+ 59, 60,
+ 62, 62,
+ 69, 70,
+ 12, 60,
+ 63, 65,
+ 67, 69,
+ 69, 71,
+ 10, 62,
+ 63, 64,
+ 68, 74,
+ 76, 80,
+ 9, 65,
+ 69, 70,
+ 71, 73,
+ 73, 75,
+ 11, 61,
+ 62, 67,
+ 68, 70,
+ 71, 72,
+ 17, 49,
+ 57, 58,
+ 59, 66,
+ 67, 75,
+ 19, 41,
+ 48, 60,
+ 69, 69,
+ 70, 70,
+ 30, 32,
+ 47, 52,
+ 56, 66,
+ 70, 72
};
const SKP_int SKP_Silk_NLSF_MSVQ_CB1_16_ndelta_min_Q15[ 16 + 1 ] =
{
- 148,
- 3,
- 60,
+ 110,
+ 28,
+ 122,
68,
- 117,
- 86,
- 121,
- 124,
- 152,
- 153,
- 207,
- 151,
- 225,
- 239,
- 126,
- 183,
- 792
+ 75,
+ 71,
+ 64,
+ 78,
+ 83,
+ 77,
+ 81,
+ 76,
+ 84,
+ 73,
+ 69,
+ 21,
+ 778
};
-const SKP_int16 SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * NLSF_MSVQ_CB1_16_VECTORS ] =
+const SKP_int8 SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * NLSF_MSVQ_CB1_16_VECTORS ] =
{
- 1309, 3060, 5071, 6996,
- 9028, 10938, 12934, 14891,
- 16933, 18854, 20792, 22764,
- 24753, 26659, 28626, 30501,
- 1264, 2745, 4610, 6408,
- 8286, 10043, 12084, 14108,
- 16118, 18163, 20095, 22164,
- 24264, 26316, 28329, 30251,
- 1044, 2080, 3672, 5179,
- 7140, 9100, 11070, 13065,
- 15423, 17790, 19931, 22101,
- 24290, 26361, 28499, 30418,
- 1131, 2476, 4478, 6149,
- 7902, 9875, 11938, 13809,
- 15869, 17730, 19948, 21707,
- 23761, 25535, 27426, 28917,
- 1040, 2004, 4026, 6100,
- 8432, 10494, 12610, 14694,
- 16797, 18775, 20799, 22782,
- 24772, 26682, 28631, 30516,
- 2310, 3812, 5913, 7933,
- 10033, 11881, 13885, 15798,
- 17751, 19576, 21482, 23276,
- 25157, 27010, 28833, 30623,
- 1254, 2847, 5013, 6781,
- 8626, 10370, 12726, 14633,
- 16281, 17852, 19870, 21472,
- 23002, 24629, 26710, 27960,
- 1468, 3059, 4987, 7026,
- 8741, 10412, 12281, 14020,
- 15970, 17723, 19640, 21522,
- 23472, 25661, 27986, 30225,
- 2171, 3566, 5605, 7384,
- 9404, 11220, 13030, 14758,
- 16687, 18417, 20346, 22091,
- 24055, 26212, 28356, 30397,
- 2409, 4676, 7543, 9786,
- 11419, 12935, 14368, 15653,
- 17366, 18943, 20762, 22477,
- 24440, 26327, 28284, 30242,
- 2354, 4222, 6820, 9107,
- 11596, 13934, 15973, 17682,
- 19158, 20517, 21991, 23420,
- 25178, 26936, 28794, 30527,
- 1323, 2414, 4184, 6039,
- 7534, 9398, 11099, 13097,
- 14799, 16451, 18434, 20887,
- 23490, 25838, 28046, 30225,
- 1361, 3243, 6048, 8511,
- 11001, 13145, 15073, 16608,
- 18126, 19381, 20912, 22607,
- 24660, 26668, 28663, 30566,
- 1216, 2648, 5901, 8422,
- 10037, 11425, 12973, 14603,
- 16686, 18600, 20555, 22415,
- 24450, 26280, 28206, 30077,
- 2417, 4048, 6316, 8433,
- 10510, 12757, 15072, 17295,
- 19573, 21503, 23329, 24782,
- 26235, 27689, 29214, 30819,
- 1012, 2345, 4991, 7377,
- 9465, 11916, 14296, 16566,
- 18672, 20544, 22292, 23838,
- 25415, 27050, 28848, 30551,
- 1937, 3693, 6267, 8019,
- 10372, 12194, 14287, 15657,
- 17431, 18864, 20769, 22206,
- 24037, 25463, 27383, 28602,
- 1969, 3305, 5017, 6726,
- 8375, 9993, 11634, 13280,
- 15078, 16751, 18464, 20119,
- 21959, 23858, 26224, 29298,
- 1198, 2647, 5428, 7423,
- 9775, 12155, 14665, 16344,
- 18121, 19790, 21557, 22847,
- 24484, 25742, 27639, 28711,
- 1636, 3353, 5447, 7597,
- 9837, 11647, 13964, 16019,
- 17862, 20116, 22319, 24037,
- 25966, 28086, 29914, 31294,
- 2676, 4105, 6378, 8223,
- 10058, 11549, 13072, 14453,
- 15956, 17355, 18931, 20402,
- 22183, 23884, 25717, 27723,
- 1373, 2593, 4449, 5633,
- 7300, 8425, 9474, 10818,
- 12769, 15722, 19002, 21429,
- 23682, 25924, 28135, 30333,
- 1596, 3183, 5378, 7164,
- 8670, 10105, 11470, 12834,
- 13991, 15042, 16642, 17903,
- 20759, 25283, 27770, 30240,
- 2037, 3987, 6237, 8117,
- 9954, 12245, 14217, 15892,
- 17775, 20114, 22314, 25942,
- 26305, 26483, 26796, 28561,
- 2181, 3858, 5760, 7924,
- 10041, 11577, 13769, 15700,
- 17429, 19879, 23583, 24538,
- 25212, 25693, 28688, 30507,
- 1992, 3882, 6474, 7883,
- 9381, 12672, 14340, 15701,
- 16658, 17832, 20850, 22885,
- 24677, 26457, 28491, 30460,
- 2391, 3988, 5448, 7432,
- 11014, 12579, 13140, 14146,
- 15898, 18592, 21104, 22993,
- 24673, 27186, 28142, 29612,
- 1713, 5102, 6989, 7798,
- 8670, 10110, 12746, 14881,
- 16709, 18407, 20126, 22107,
- 24181, 26198, 28237, 30137,
- 1612, 3617, 6148, 8359,
- 9576, 11528, 14936, 17809,
- 18287, 18729, 19001, 21111,
- 24631, 26596, 28740, 30643,
- 2266, 4168, 7862, 9546,
- 9618, 9703, 10134, 13897,
- 16265, 18432, 20587, 22605,
- 24754, 26994, 29125, 30840,
- 1840, 3917, 6272, 7809,
- 9714, 11438, 13767, 15799,
- 19244, 21972, 22980, 23180,
- 23723, 25650, 29117, 31085,
- 1458, 3612, 6008, 7488,
- 9827, 11893, 14086, 15734,
- 17440, 19535, 22424, 24767,
- 29246, 29928, 30516, 30947,
- -102, -121, -31, -6,
- 5, -2, 8, -18,
- -4, 6, 14, -2,
- -12, -16, -12, -60,
- -126, -353, -574, -677,
- -657, -617, -498, -393,
- -348, -277, -225, -164,
- -102, -70, -31, 33,
- 4, 379, 387, 551,
- 605, 620, 532, 482,
- 442, 454, 385, 347,
- 322, 299, 266, 200,
- 1168, 951, 672, 246,
- 60, -161, -259, -234,
- -253, -282, -203, -187,
- -155, -176, -198, -178,
- 10, 170, 393, 609,
- 555, 208, -330, -571,
- -769, -633, -319, -43,
- 95, 105, 106, 116,
- -152, -140, -125, 5,
- 173, 274, 264, 331,
- -37, -293, -609, -786,
- -959, -814, -645, -238,
- -91, 36, -11, -101,
- -279, -227, -40, 90,
- 530, 677, 890, 1104,
- 999, 835, 564, 295,
- -280, -364, -340, -331,
- -284, 288, 761, 880,
- 988, 627, 146, -226,
- -203, -181, -142, 39,
- 24, -26, -107, -92,
- -161, -135, -131, -88,
- -160, -156, -75, -43,
- -36, -6, -33, 33,
- -324, -415, -108, 124,
- 157, 191, 203, 197,
- 144, 109, 152, 176,
- 190, 122, 101, 159,
- 663, 668, 480, 400,
- 379, 444, 446, 458,
- 343, 351, 310, 228,
- 133, 44, 75, 63,
- -84, 39, -29, 35,
- -94, -233, -261, -354,
- 77, 262, -24, -145,
- -333, -409, -404, -597,
- -488, -300, 910, 592,
- 412, 120, 130, -51,
- -37, -77, -172, -181,
- -159, -148, -72, -62,
- 510, 516, 113, -585,
- -1075, -957, -417, -195,
- 9, 7, -88, -173,
- -91, 54, 98, 95,
- -28, 197, -527, -621,
- 157, 122, -168, 147,
- 309, 300, 336, 315,
- 396, 408, 376, 106,
- -162, -170, -315, 98,
- 821, 908, 570, -33,
- -312, -568, -572, -378,
- -107, 23, 156, 93,
- -129, -87, 20, -72,
- -37, 40, 21, 27,
- 48, 75, 77, 65,
- 46, 71, 66, 47,
- 136, 344, 236, 322,
- 170, 283, 269, 291,
- 162, -43, -204, -259,
- -240, -305, -350, -312,
- 447, 348, 345, 257,
- 71, -131, -77, -190,
- -202, -40, 35, 133,
- 261, 365, 438, 303,
- -8, 22, 140, 137,
- -300, -641, -764, -268,
- -23, -25, 73, -162,
- -150, -212, -72, 6,
- 39, 78, 104, -93,
- -308, -136, 117, -71,
- -513, -820, -700, -450,
- -161, -23, 29, 78,
- 337, 106, -406, -782,
- -112, 233, 383, 62,
- -126, 6, -77, -29,
- -146, -123, -51, -27,
- -27, -381, -641, 402,
- 539, 8, -207, -366,
- -36, -27, -204, -227,
- -237, -189, -64, 51,
- -92, -137, -281, 62,
- 233, 92, 148, 294,
- 363, 416, 564, 625,
- 370, -36, -469, -462,
- 102, 168, 32, 117,
- -21, 97, 139, 89,
- 104, 35, 4, 82,
- 66, 58, 73, 93,
- -76, -320, -236, -189,
- -203, -142, -27, -73,
- 9, -9, -25, 12,
- -15, 4, 4, -50,
- 314, 180, 162, -49,
- 199, -108, -227, -66,
- -447, -67, -264, -394,
- 5, 55, -133, -176,
- -116, -241, 272, 109,
- 282, 262, 192, -64,
- -392, -514, 156, 203,
- 154, 72, -34, -160,
- -73, 3, -33, -431,
- 321, 18, -567, -590,
- -108, 88, 66, 51,
- -31, -193, -46, 65,
- -29, -23, 215, -31,
- 101, -113, 32, 304,
- 88, 320, 448, 5,
- -439, -562, -508, -135,
- -13, -171, -8, 182,
- -99, -181, -149, 376,
- 476, 64, -396, -652,
- -150, 176, 222, 65,
- -590, 719, 271, 399,
- 245, 72, -156, -152,
- -176, 59, 94, 125,
- -9, -7, 9, 1,
- -61, -116, -82, 1,
- 79, 22, -44, -15,
- -48, -65, -62, -101,
- -102, -54, -70, -78,
- -80, -25, 398, 71,
- 139, 38, 90, 194,
- 222, 249, 165, 94,
- 221, 262, 163, 91,
- -206, 573, 200, -287,
- -147, 5, -18, -85,
- -74, -125, -87, 85,
- 141, 4, -4, 28,
- 234, 48, -150, -111,
- -506, 237, -209, 345,
- 94, -124, 77, 121,
- 143, 12, -80, -48,
- 191, 144, -93, -65,
- -151, -643, 435, 106,
- 87, 7, 65, 102,
- 94, 68, 5, 99,
- 222, 93, 94, 355,
- -13, -89, -228, -503,
- 287, 109, 108, 449,
- 253, -29, -109, -116,
- 15, -73, -20, 131,
- -147, 72, 59, -150,
- -594, 273, 316, 132,
- 199, 106, 198, 212,
- 220, 82, 45, -13,
- 223, 137, 270, 38,
- 252, 135, -177, -207,
- -360, -102, 403, 406,
- -14, 83, 64, 51,
- -7, -99, -97, -88,
- -124, -65, 42, 32,
- 28, 29, 12, 20,
- 119, -26, -212, -201,
- 373, 251, 141, 103,
- 36, -52, 66, 18,
- -6, -95, -196, 5,
- 98, -85, -108, 218,
- -164, 20, 356, 172,
- 37, 266, 23, 112,
- -24, -99, -92, -178,
- 29, -278, 388, -60,
- -220, 300, -13, 154,
- 191, 15, -37, -110,
- -153, -150, -114, -7,
- -94, -31, -62, -177,
- 4, -70, 35, 453,
- 147, -247, -328, 101,
- 20, -114, 147, 108,
- -119, -109, -102, -238,
- 55, -102, 173, -89,
- 129, 138, -330, -160,
- 485, 154, -59, -170,
- -20, -34, -261, -40,
- -129, 77, -84, 69,
- 83, 160, 169, 63,
- -516, 30, 336, 52,
- -0, -52, -124, 158,
- 19, 197, -10, -375,
- 405, 285, 114, -395,
- -47, 196, 62, 87,
- -106, -65, -75, -69,
- -13, 34, 99, 59,
- 83, 98, 44, 0,
- 24, 18, 17, 70,
- -22, 194, 208, 144,
- -79, -15, 32, -104,
- -28, -105, -186, -212,
- -228, -79, -76, 51,
- -71, 72, 118, -34,
- -3, -171, 5, 2,
- -108, -125, 62, -58,
- 58, -121, 73, -466,
- 92, 63, -94, -78,
- -76, 212, 36, -225,
- -71, -354, 152, 143,
- -79, -246, -51, -31,
- -6, -270, 240, 210,
- 30, -157, -231, 74,
- -146, 88, -273, 156,
- 92, 56, 71, 2,
- 318, 164, 32, -110,
- -35, -41, -95, -106,
- 11, 132, -68, 55,
- 123, -83, -149, 212,
- 132, 0, -194, 55,
- 206, -108, -353, 289,
- -195, 1, 233, -22,
- -60, 20, 26, 68,
- 166, 27, -58, 130,
- 112, 107, 27, -165,
- 115, -93, -37, 38,
- 83, 483, 65, -229,
- -13, 157, 85, 50,
- 136, 10, 32, 83,
- 82, 55, 5, -9,
- -52, -78, -81, -51,
- 40, 18, -127, -224,
- -41, 53, -210, -113,
- 24, -17, -187, -89,
- 8, 121, 83, 77,
- 91, -74, -35, -112,
- -161, -173, 102, 132,
- -125, -61, 103, -260,
- 52, 166, -32, -156,
- -87, -56, 60, -70,
- -124, 242, 114, -251,
- -166, 201, 127, 28,
- -11, 23, -80, -115,
- -20, -51, -348, 340,
- -34, 133, 13, 92,
- -124, -136, -120, -26,
- -6, 17, 28, 21,
- 120, -168, 160, -35,
- 115, 28, 9, 7,
- -56, 39, 156, 256,
- -18, 1, 277, 82,
- -70, -144, -88, -13,
- -59, -157, 8, -134,
- 21, -40, 58, -21,
- 194, -276, 97, 279,
- -56, -140, 125, 57,
- -184, -204, -70, -2,
- 128, -202, -78, 230,
- -23, 161, -102, 1,
- 1, 180, -31, -86,
- -167, -57, -60, 27,
- -13, 99, 108, 111,
- 76, 69, 34, -21,
- 53, 38, 34, 78,
- 73, 219, 51, 15,
- -72, -103, -207, 30,
- 213, -14, 31, -94,
- -40, -144, 67, 4,
- 105, 59, -240, 25,
- 244, 69, 58, 23,
- -24, -5, -15, -133,
- -71, -67, 181, 29,
- -45, 121, 96, 51,
- -72, -53, 56, -153,
- -27, 85, 183, 211,
- 105, -34, -46, 43,
- -72, -93, 36, -128,
- 29, 111, -95, -156,
- -179, -235, 21, -39,
- -71, -33, -61, -252,
- 230, -131, 157, -21,
- -85, -28, -123, 80,
- -160, 63, 47, -6,
- -49, -96, -19, 17,
- -58, 17, -0, -13,
- -170, 25, -35, 59,
- 10, -31, -413, 81,
- 62, 18, -164, 245,
- 92, -165, 42, 26,
- 126, -248, 193, -55,
- 16, 39, 14, 50
+ -118, -105, -90, -74,
+ -58, -44, -29, -13,
+ 3, 18, 33, 49,
+ 64, 79, 95, 109,
+ -118, -110, -95, -81,
+ -66, -52, -37, -21,
+ -4, 12, 27, 43,
+ 60, 77, 93, 107,
+ -120, -114, -94, -78,
+ -60, -45, -29, -13,
+ 3, 19, 34, 49,
+ 65, 80, 95, 110,
+ -122, -117, -103, -88,
+ -69, -52, -37, -19,
+ -2, 15, 31, 47,
+ 63, 79, 95, 110,
+ -119, -111, -95, -81,
+ -68, -53, -36, -22,
+ -5, 9, 27, 40,
+ 56, 70, 85, 96,
+ -117, -106, -90, -76,
+ -62, -49, -31, -15,
+ -2, 10, 26, 39,
+ 51, 64, 80, 90,
+ -113, -102, -84, -69,
+ -54, -42, -27, -15,
+ -1, 13, 28, 42,
+ 58, 73, 90, 106,
+ -115, -104, -90, -76,
+ -63, -50, -35, -21,
+ -8, 7, 22, 37,
+ 53, 70, 88, 107,
+ -109, -98, -82, -66,
+ -49, -35, -18, -2,
+ 14, 30, 45, 58,
+ 73, 86, 100, 113,
+ -106, -96, -82, -68,
+ -53, -40, -25, -10,
+ 5, 19, 34, 49,
+ 65, 80, 96, 110,
+ -120, -113, -99, -86,
+ -72, -59, -50, -36,
+ -7, 10, 27, 45,
+ 61, 78, 94, 109,
+ -117, -109, -96, -84,
+ -72, -58, -47, -32,
+ -19, -2, 23, 40,
+ 57, 75, 92, 109,
+ -119, -112, -99, -87,
+ -78, -66, -42, -20,
+ -6, 11, 28, 44,
+ 60, 78, 94, 110,
+ -110, -97, -79, -62,
+ -44, -26, -8, 8,
+ 23, 36, 49, 60,
+ 72, 84, 97, 111,
+ -109, -94, -73, -55,
+ -37, -22, -8, 2,
+ 13, 24, 37, 50,
+ 65, 79, 95, 110,
+ -114, -101, -83, -67,
+ -48, -31, -15, -1,
+ 10, 21, 34, 49,
+ 65, 80, 96, 111,
+ -118, -112, -100, -92,
+ -80, -49, -34, -19,
+ -7, 8, 26, 43,
+ 60, 78, 94, 110,
+ -118, -112, -100, -78,
+ -61, -51, -38, -26,
+ -6, 6, 19, 33,
+ 52, 73, 94, 110,
+ -117, -110, -94, -79,
+ -67, -54, -42, -27,
+ -16, -6, 8, 35,
+ 57, 75, 92, 109,
+ -113, -92, -71, -57,
+ -45, -34, -22, -10,
+ 4, 17, 32, 46,
+ 62, 77, 93, 107,
+ -120, -110, -90, -71,
+ -54, -37, -17, -1,
+ 16, 31, 44, 56,
+ 70, 82, 97, 111,
+ -110, -101, -88, -80,
+ -69, -50, -30, -13,
+ 2, 17, 32, 48,
+ 64, 80, 97, 111,
+ -118, -112, -101, -86,
+ -55, -41, -29, -16,
+ -4, 10, 30, 43,
+ 56, 72, 90, 107,
+ -112, -103, -88, -74,
+ -61, -49, -36, -24,
+ -10, 4, 17, 29,
+ 43, 57, 74, 102,
+ -118, -107, -84, -69,
+ -52, -35, -17, -5,
+ 9, 20, 34, 45,
+ 59, 69, 84, 93,
+ -106, -95, -78, -63,
+ -48, -36, -24, -13,
+ -1, 9, 21, 32,
+ 46, 60, 76, 92,
+ -116, -101, -85, -69,
+ -54, -37, -21, -6,
+ 11, 24, 39, 53,
+ 76, 93, 104, 112,
+ -114, -104, -87, -74,
+ -61, -50, -40, -30,
+ -19, -10, 4, 14,
+ 36, 69, 89, 109,
+ -112, -98, -85, -72,
+ -54, -35, -23, -11,
+ 3, 20, 38, 56,
+ 69, 81, 90, 108,
+ -116, -101, -84, -70,
+ -55, -40, -25, -8,
+ 11, 30, 41, 49,
+ 62, 83, 105, 117,
+ -115, -98, -82, -61,
+ -48, -40, -29, -14,
+ 6, 22, 39, 53,
+ 68, 82, 96, 110,
+ -113, -96, -76, -68,
+ -59, -44, -21, -8,
+ 3, 15, 33, 49,
+ 65, 80, 95, 110,
+ -1, 0, 0, 1,
+ 1, 2, 2, 2,
+ 2, 2, 2, 1,
+ 1, 1, 1, 0,
+ 0, -1, -3, -6,
+ -6, -5, -4, -4,
+ -3, -1, 0, 0,
+ 0, 0, 1, 1,
+ 0, 0, -1, 0,
+ -1, -2, -3, -3,
+ -4, -5, -5, -4,
+ -3, -2, -2, 0,
+ 9, 8, 5, 2,
+ 1, -1, -1, -2,
+ -1, -2, -1, -2,
+ -2, -2, -2, -2,
+ -5, -8, 3, 2,
+ 2, 0, 0, 0,
+ 0, 0, 1, 1,
+ 1, 1, 0, 0,
+ 0, 0, 2, 8,
+ 9, 8, 5, 2,
+ -1, -2, -2, -2,
+ -1, 1, 1, 2,
+ -1, 0, -1, 0,
+ 0, 2, 4, 5,
+ 4, 2, -1, -5,
+ -8, -8, -6, -2,
+ 0, 0, -2, -2,
+ -1, -1, 0, 2,
+ 5, 5, 5, 8,
+ 9, 7, 6, 3,
+ -1, -1, -1, -1,
+ -1, -1, -1, -1,
+ -1, -1, -1, 0,
+ -1, 0, 0, 0,
+ 4, 3, 4, 3,
+ 3, 3, 3, 3,
+ 2, 2, 2, 2,
+ 2, 2, 2, 2,
+ -1, -3, -6, -7,
+ 0, 0, 4, 3,
+ 3, 1, 1, 1,
+ 1, 1, 1, 1,
+ -4, 7, 4, 4,
+ 3, 3, 2, 2,
+ 1, 1, 1, 1,
+ 1, 1, 1, 1,
+ -2, -5, -7, 5,
+ 3, 3, 3, 3,
+ 2, 2, 1, 1,
+ 1, 0, 0, 0,
+ 2, 1, 4, 3,
+ 0, -3, -7, -6,
+ -5, -3, -2, -1,
+ 0, 0, 0, 0,
+ 0, 0, 0, 1,
+ 2, 3, 3, 4,
+ 3, 4, 5, 4,
+ 1, -3, -6, -7,
+ 2, 2, 1, -1,
+ -3, -2, -2, -1,
+ 2, -1, -6, -9,
+ -4, -1, 1, 2,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 3, 3, 1, -1,
+ -5, -7, 1, -1,
+ 0, 1, 0, 0,
+ 0, 0, 1, 1,
+ -1, -1, 1, 1,
+ 2, 3, 4, 4,
+ 3, 0, -3, -5,
+ -4, -3, -2, -1,
+ 2, 2, 1, 1,
+ 0, -2, -2, -2,
+ 1, 3, 3, 0,
+ -4, -6, -4, -1,
+ 0, 0, 1, 1,
+ 2, 0, -2, -5,
+ -7, -5, -1, 0,
+ 2, 2, 3, 2,
+ 0, 0, -4, -7,
+ 5, 3, -1, -2,
+ -1, -1, -1, 0,
+ 0, 0, 0, 0,
+ 0, -1, -1, -3,
+ -7, 2, 0, 4,
+ 3, 3, 2, 1,
+ 1, 1, 0, 0,
+ 0, 0, 2, 3,
+ 1, 0, 0, -1,
+ 2, 2, 4, 6,
+ 6, 3, 0, -2,
+ 1, 1, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ -4, -4, 2, 0,
+ 2, 2, 2, 1,
+ 2, 1, 1, 1,
+ 1, 0, 1, 0,
+ -1, -2, -4, 3,
+ 1, -2, -1, -4,
+ 2, 0, -2, -1,
+ -1, -2, -2, -1,
+ 0, 0, 1, -2,
+ -1, 3, 4, 0,
+ -3, -5, -4, -1,
+ -1, -1, 0, 0,
+ -1, -1, 2, 2,
+ 0, -3, -4, 1,
+ 4, 4, 3, 1,
+ 0, 1, 1, 2,
+ 0, -1, -1, -1,
+ -1, -2, -5, 4,
+ -1, -5, 2, 1,
+ -1, 0, 0, 1,
+ 0, -1, 0, 0,
+ 1, 0, 0, -4,
+ -7, 5, 2, 0,
+ 1, 1, 0, 0,
+ 1, 1, 0, 1,
+ 1, 0, 2, 1,
+ 0, 0, -3, -3,
+ 6, 5, 0, -3,
+ 0, 0, 0, 0,
+ -1, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 1, 1, 1, 0,
+ 1, 3, 1, 1,
+ 0, 0, 0, 0,
+ -1, -2, -3, -4,
+ 1, 0, -2, 0,
+ 4, 0, -4, 1,
+ 0, 1, 0, -1,
+ -1, 0, 0, 0,
+ 0, -2, 4, 3,
+ 1, -1, -2, 3,
+ -2, 0, -2, -1,
+ 0, 1, 1, 0,
+ 1, 1, 0, -1,
+ -1, 2, -2, -5,
+ 4, 1, 1, 0,
+ -1, -1, 0, 1,
+ 1, 0, -2, 2,
+ 2, 0, 5, 3,
+ 2, 1, 1, 0,
+ -2, 1, 3, 0,
+ 0, 0, 1, 0,
+ 1, 0, -1, -1,
+ -1, -2, 1, 5,
+ 3, -2, -4, 2,
+ -2, 5, 3, -2,
+ 0, -1, -1, -1,
+ 0, 1, 0, 0,
+ 2, 1, 0, -1,
+ -1, 0, 0, 0,
+ 1, 1, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 1, -1, -3, -1,
+ -3, 0, 0, -1,
+ -2, -1, 0, 0,
+ 0, 0, 0, 0,
+ 1, 0, 0, 0,
+ -1, -2, -2, -2,
+ 1, 2, 0, -1,
+ -1, 0, 0, -4,
+ 0, -1, 4, 2,
+ -3, 0, 1, -1,
+ 0, -2, -1, 0,
+ 0, 0, -1, -1,
+ 1, 0, -1, -1,
+ 1, -2, 2, 2,
+ -2, 3, 0, -2,
+ -2, -1, -3, 0,
+ 0, 0, -1, -1,
+ -1, -2, -3, 2,
+ 3, 0, -4, 1,
+ 2, 1, 0, 0,
+ 1, 1, 0, -2,
+ 1, 0, 1, 0,
+ -2, -1, 3, 0,
+ 1, 3, 2, 0,
+ 0, 0, 0, 0,
+ 0, 1, 0, 0,
+ 0, 0, 1, -1,
+ -3, -4, 5, 3,
+ -1, -1, 0, -1,
+ -1, 0, -1, -1,
+ -1, -1, -1, -1,
+ 0, 0, 0, 0,
+ -1, 2, 1, 1,
+ 1, 2, 1, 1,
+ 1, 1, 0, 1,
+ 1, 1, 1, 1,
+ 2, 1, 0, 1,
+ 2, -1, 0, -2,
+ -1, 0, -1, 0,
+ 1, 0, 0, 0,
+ 1, 0, 1, -1,
+ 0, 1, -1, 3,
+ 1, 1, 1, 1,
+ 0, -1, -1, -1,
+ 0, 0, -1, 1,
+ 0, -3, 3, 1,
+ 0, -2, 2, 1,
+ 0, -1, -1, 0,
+ 0, 0, -1, -1,
+ -1, 1, 2, -2,
+ 2, 3, -1, -1,
+ 1, -1, 0, 0,
+ 1, -1, -2, 4,
+ 0, 0, -2, 1,
+ 0, 0, 0, 0,
+ 1, 1, 0, 0,
+ 1, 0, 0, 0,
+ 0, 1, 0, 0,
+ 0, 0, 1, -1,
+ -5, 3, 1, 0,
+ -1, -1, -1, -1,
+ 0, -1, 0, 0,
+ 0, 1, 1, 1,
+ 1, 1, 0, 0,
+ 2, 1, 0, 1,
+ -1, -1, 1, 1,
+ 1, 0, -1, 0,
+ -1, 0, 0, 0,
+ 0, -1, 1, 2,
+ 1, 1, 1, 0,
+ -1, 1, 1, 0,
+ -1, -1, -1, -1,
+ 0, 0, 2, -3,
+ 1, -1, 0, 0,
+ 1, 0, -1, 0,
+ -1, -1, 0, 0,
+ 1, 0, 1, 0,
+ 0, 4, -1, -1,
+ -1, 1, -1, 0,
+ 1, 1, 1, 1,
+ 1, 0, -1, 0,
+ 1, 1, 0, 0,
+ 1, -4, 0, 1,
+ 0, 0, 1, -2,
+ 0, 0, 0, 0,
+ -1, 0, -1, 0,
+ 1, -1, 2, -4,
+ 1, 0, -1, 1,
+ -2, 3, 0, 1,
+ -1, 0, -1, 0,
+ -1, 0, 0, 1,
+ 0, 0, -1, 0,
+ 1, 1, 1, 0,
+ -1, 0, 0, 0,
+ -1, 0, 1, 1,
+ 0, 0, 0, 0,
+ -1, 0, 1, 1,
+ 1, -1, -1, -1,
+ 1, -1, 0, -1,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 1, 1,
+ -1, 0, -1, -1,
+ 1, -1, 0, -1,
+ 1, -2, 0, -1,
+ 0, 0, 0, 0,
+ 1, 0, 0, 0,
+ 0, 0, 1, 1,
+ 1, 2, -3, -1,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ -1, 0, 0, 0,
+ 0, 0, 0, 0,
+ 1, 0, 0, 0,
+ -1, 0, -2, 3,
+ -1, 0, 1, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 0, 0, 0, 0,
+ 1, 2, -4, -1,
+ -2, -1, 0, 0,
+ -1, 1, 0, 1,
+ 1, 0, 0, 0,
+ 0, 0, 0, 0
};
const SKP_Silk_NLSF_CBS SKP_Silk_NLSF_CB1_16_Stage_info[ NLSF_MSVQ_CB1_16_STAGES ] =
{
- { 32, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 0 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 0 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 32 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 32 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 40 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 40 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 48 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 48 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 56 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 56 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 64 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 64 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 72 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 72 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 80 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 80 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 88 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 88 ] },
- { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q15[ 16 * 96 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q5[ 96 ] }
+ { 32, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 0 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 0 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 32 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 32 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 40 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 40 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 48 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 48 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 56 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 56 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 64 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 64 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 72 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 72 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 80 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 80 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 88 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 88 ] },
+ { 8, &SKP_Silk_NLSF_MSVQ_CB1_16_Q8[ 16 * 96 ], &SKP_Silk_NLSF_MSVQ_CB1_16_rates_Q4[ 96 ] }
};
const SKP_Silk_NLSF_CB_struct SKP_Silk_NLSF_CB1_16 =
--- a/src_common/SKP_Silk_tables_other.c
+++ b/src_common/SKP_Silk_tables_other.c
@@ -35,16 +35,16 @@
/* Piece-wise linear mapping from bitrate in kbps to coding quality in dB SNR */
const SKP_int32 TargetRate_table_NB[ TARGET_RATE_TAB_SZ ] = {
- 0, 8000, 9000, 11000, 13000, 16000, 22000, 100000
+ 0, 8000, 9000, 11000, 13000, 16000, 22000, MAX_TARGET_RATE_BPS
};
const SKP_int32 TargetRate_table_MB[ TARGET_RATE_TAB_SZ ] = {
- 0, 10000, 12000, 14000, 17000, 21000, 28000, 100000
+ 0, 10000, 12000, 14000, 17000, 21000, 28000, MAX_TARGET_RATE_BPS
};
const SKP_int32 TargetRate_table_WB[ TARGET_RATE_TAB_SZ ] = {
- 0, 11000, 14000, 17000, 21000, 26000, 36000, 100000
+ 0, 11000, 14000, 17000, 21000, 26000, 36000, MAX_TARGET_RATE_BPS
};
const SKP_int32 TargetRate_table_SWB[ TARGET_RATE_TAB_SZ ] = {
- 0, 13000, 16000, 19000, 25000, 32000, 46000, 100000
+ 0, 13000, 16000, 19000, 25000, 32000, 46000, MAX_TARGET_RATE_BPS
};
const SKP_int32 SNR_table_Q1[ TARGET_RATE_TAB_SZ ] = {
19, 31, 35, 39, 43, 47, 54, 59
@@ -91,22 +91,13 @@
const SKP_uint16 SKP_Silk_vadflag_CDF[ 3 ] = {0, 22000, 65535}; // 66% for speech, 33% for no speech
const SKP_int SKP_Silk_vadflag_offset = 1;
-/* tables for sampling rate */
-const SKP_int SKP_Silk_SamplingRates_table[ 4 ] = {8, 12, 16, 24};
-const SKP_uint16 SKP_Silk_SamplingRates_CDF[ 5 ] = {0, 16000, 32000, 48000, 65535};
-const SKP_int SKP_Silk_SamplingRates_offset = 2;
-
-/* tables for number of subframes */
-const SKP_uint16 SKP_Silk_NbSubframes_CDF[ 3 ] = {0, 40000, 65535};
-const SKP_int SKP_Silk_NbSubframes_offset = 1;
-
/* tables for NLSF interpolation factor */
const SKP_uint16 SKP_Silk_NLSF_interpolation_factor_CDF[ 6 ] = {0, 3706, 8703, 19226, 30926, 65535};
const SKP_int SKP_Silk_NLSF_interpolation_factor_offset = 4;
/* Table for frame termination indication */
-const SKP_uint16 SKP_Silk_FrameTermination_CDF[ 6 ] = {0, 13107, 26214, 39321, 52428, 65535};
-const SKP_int SKP_Silk_FrameTermination_offset = 4;
+const SKP_uint16 SKP_Silk_FrameTermination_CDF[ 3 ] = {0, 50000, 65535};
+const SKP_int SKP_Silk_FrameTermination_offset = 1;
/* Table for random seed */
const SKP_uint16 SKP_Silk_Seed_CDF[ 5 ] = {0, 16384, 32768, 49152, 65535};
--- /dev/null
+++ b/src_common/SKP_Silk_tuning_parameters.h
@@ -1,0 +1,179 @@
+/***********************************************************************
+Copyright (c) 2006-2010, Skype Limited. All rights reserved.
+Redistribution and use in source and binary forms, with or without
+modification, (subject to the limitations in the disclaimer below)
+are permitted provided that the following conditions are met:
+- Redistributions of source code must retain the above copyright notice,
+this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+- Neither the name of Skype Limited, nor the names of specific
+contributors, may be used to endorse or promote products derived from
+this software without specific prior written permission.
+NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED
+BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+CONTRIBUTORS ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
+BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+***********************************************************************/
+
+#ifndef SKP_SILK_TUNING_PARAMETERS_H
+#define SKP_SILK_TUNING_PARAMETERS_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/*******************/
+/* Pitch estimator */
+/*******************/
+
+/* Level of noise floor for whitening filter LPC analysis in pitch analysis */
+#define FIND_PITCH_WHITE_NOISE_FRACTION 1e-3f
+
+/* Bandwidth expansion for whitening filter in pitch analysis */
+#define FIND_PITCH_BANDWITH_EXPANSION 0.99f
+
+/* Threshold used by pitch estimator for early escape */
+#define FIND_PITCH_CORRELATION_THRESHOLD_HC_MODE 0.7f
+#define FIND_PITCH_CORRELATION_THRESHOLD_MC_MODE 0.75f
+#define FIND_PITCH_CORRELATION_THRESHOLD_LC_MODE 0.8f
+
+/*********************/
+/* Linear prediction */
+/*********************/
+
+/* LPC analysis defines: regularization and bandwidth expansion */
+#define FIND_LPC_COND_FAC 2.5e-5f
+#define FIND_LPC_CHIRP 0.99995f
+
+/* LTP analysis defines */
+#define FIND_LTP_COND_FAC 1e-5f
+#define LTP_DAMPING 0.001f
+#define LTP_SMOOTHING 0.1f
+
+/* LTP quantization settings */
+#define MU_LTP_QUANT_NB 0.03f
+#define MU_LTP_QUANT_MB 0.025f
+#define MU_LTP_QUANT_WB 0.02f
+#define MU_LTP_QUANT_SWB 0.016f
+
+/***********************/
+/* High pass filtering */
+/***********************/
+
+/* Smoothing parameters for low end of pitch frequency range estimation */
+#define VARIABLE_HP_SMTH_COEF1 0.1f
+#define VARIABLE_HP_SMTH_COEF2 0.015f
+
+/* Min and max values for low end of pitch frequency range estimation */
+#define VARIABLE_HP_MIN_FREQ 80.0f
+#define VARIABLE_HP_MAX_FREQ 150.0f
+
+/* Max absolute difference between log2 of pitch frequency and smoother state, to enter the smoother */
+#define VARIABLE_HP_MAX_DELTA_FREQ 0.4f
+
+/***********/
+/* Various */
+/***********/
+
+/* Required speech activity for counting frame as active */
+#define WB_DETECT_ACTIVE_SPEECH_LEVEL_THRES 0.7f
+
+#define SPEECH_ACTIVITY_DTX_THRES 0.1f
+
+/* Speech Activity LBRR enable threshold (needs tuning) */
+#define LBRR_SPEECH_ACTIVITY_THRES 0.5f
+
+/*************************/
+/* Perceptual parameters */
+/*************************/
+
+/* reduction in coding SNR during low speech activity */
+#define BG_SNR_DECR_dB 4.0f
+
+/* factor for reducing quantization noise during voiced speech */
+#define HARM_SNR_INCR_dB 2.0f
+
+/* factor for reducing quantization noise for unvoiced sparse signals */
+#define SPARSE_SNR_INCR_dB 2.0f
+
+/* threshold for sparseness measure above which to use lower quantization offset during unvoiced */
+#define SPARSENESS_THRESHOLD_QNT_OFFSET 0.75f
+
+/* warping control */
+#define WARPING_MULTIPLIER 0.015f
+
+/* fraction added to first autocorrelation value */
+#define SHAPE_WHITE_NOISE_FRACTION 1e-5f
+
+/* noise shaping filter chirp factor */
+#define BANDWIDTH_EXPANSION 0.95f
+
+/* difference between chirp factors for analysis and synthesis noise shaping filters at low bitrates */
+#define LOW_RATE_BANDWIDTH_EXPANSION_DELTA 0.01f
+
+/* extra harmonic boosting (signal shaping) at low bitrates */
+#define LOW_RATE_HARMONIC_BOOST 0.1f
+
+/* extra harmonic boosting (signal shaping) for noisy input signals */
+#define LOW_INPUT_QUALITY_HARMONIC_BOOST 0.1f
+
+/* harmonic noise shaping */
+#define HARMONIC_SHAPING 0.3f
+
+/* extra harmonic noise shaping for high bitrates or noisy input */
+#define HIGH_RATE_OR_LOW_QUALITY_HARMONIC_SHAPING 0.2f
+
+/* parameter for shaping noise towards higher frequencies */
+#define HP_NOISE_COEF 0.3f
+
+/* parameter for shaping noise even more towards higher frequencies during voiced speech */
+#define HARM_HP_NOISE_COEF 0.35f
+
+/* parameter for applying a high-pass tilt to the input signal */
+#define INPUT_TILT 0.05f
+
+/* parameter for extra high-pass tilt to the input signal at high rates */
+#define HIGH_RATE_INPUT_TILT 0.1f
+
+/* parameter for reducing noise at the very low frequencies */
+#define LOW_FREQ_SHAPING 3.0f
+
+/* less reduction of noise at the very low frequencies for signals with low SNR at low frequencies */
+#define LOW_QUALITY_LOW_FREQ_SHAPING_DECR 0.5f
+
+/* noise floor to put a lower limit on the quantization step size */
+#define NOISE_FLOOR_dB 4.0f
+
+/* noise floor relative to active speech gain level */
+#define RELATIVE_MIN_GAIN_dB -50.0f
+
+/* subframe smoothing coefficient for determining active speech gain level (lower -> more smoothing) */
+#define GAIN_SMOOTHING_COEF 1e-3f
+
+/* subframe smoothing coefficient for HarmBoost, HarmShapeGain, Tilt (lower -> more smoothing) */
+#define SUBFR_SMTH_COEF 0.4f
+
+/* parameters defining the R/D tradeoff in the residual quantizer */
+#define LAMBDA_OFFSET 1.2f
+#define LAMBDA_SPEECH_ACT -0.3f
+#define LAMBDA_DELAYED_DECISIONS -0.05f
+#define LAMBDA_INPUT_QUALITY -0.2f
+#define LAMBDA_CODING_QUALITY -0.1f
+#define LAMBDA_QUANT_OFFSET 1.5f
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SKP_SILK_TUNING_PARAMETERS_H
--- a/test/Decoder.c
+++ b/test/Decoder.c
@@ -38,8 +38,7 @@
#include <stdlib.h>
#include <string.h>
#include "SKP_Silk_SDK_API.h"
-#include "SKP_Silk_SigProc_FIX.h"
-#include "SKP_debug.h"
+#include "../src_SigProc_FIX/SKP_Silk_SigProc_FIX.h"
/* Define codec specific settings should be moved to h file */
#define MAX_BYTES_PER_FRAME 1024
@@ -85,16 +84,16 @@
int main( int argc, char* argv[] )
{
- unsigned long tottime, starttime;
double filetime;
size_t counter;
- SKP_int32 args, totPackets, i, k;
- SKP_int16 ret, len, tot_len;
- SKP_int16 nBytes;
+ SKP_int32 args, totPackets, i, k, ret, len, tot_len, nBytes;
SKP_uint8 payload[ MAX_BYTES_PER_FRAME * MAX_INPUT_FRAMES * ( MAX_LBRR_DELAY + 1 ) ];
SKP_uint8 *payloadEnd = NULL, *payloadToDec = NULL;
- SKP_uint8 FECpayload[ MAX_BYTES_PER_FRAME * MAX_INPUT_FRAMES ], *payloadPtr;
- SKP_int16 nBytesFEC;
+#if 0
+ SKP_uint8 FECpayload[ MAX_BYTES_PER_FRAME * MAX_INPUT_FRAMES ];
+ SKP_int32 nBytesFEC;
+#endif
+ SKP_uint8 *payloadPtr;
SKP_int16 nBytesPerPacket[ MAX_LBRR_DELAY + 1 ], totBytes;
SKP_int16 out[ ( ( MAX_FRAME_LENGTH_MS * MAX_API_FS_KHZ ) << 1 ) * MAX_INPUT_FRAMES ], *outPtr;
char speechOutFileName[ 150 ], bitInFileName[ 150 ];
@@ -182,7 +181,6 @@
printf( "\nSKP_Silk_InitDecoder returned %d", ret );
}
- tottime = 0;
totPackets = 0;
payloadEnd = payload;
@@ -189,7 +187,7 @@
/* Simulate the jitter buffer holding MAX_FEC_DELAY packets */
for( i = 0; i < MAX_LBRR_DELAY; i++ ) {
/* Read payload size */
- counter = fread( &nBytes, sizeof( SKP_int16 ), 1, bitInFile );
+ counter = fread( &nBytes, sizeof( SKP_int32 ), 1, bitInFile );
#ifdef _SYSTEM_IS_BIG_ENDIAN
swap_endian( &nBytes, 1 );
#endif
@@ -205,7 +203,7 @@
while( 1 ) {
/* Read payload size */
- counter = fread( &nBytes, sizeof( SKP_int16 ), 1, bitInFile );
+ counter = fread( &nBytes, sizeof( SKP_int32 ), 1, bitInFile );
#ifdef _SYSTEM_IS_BIG_ENDIAN
swap_endian( &nBytes, 1 );
#endif
@@ -239,9 +237,8 @@
payloadPtr = payload;
for( i = 0; i < MAX_LBRR_DELAY; i++ ) {
if( nBytesPerPacket[ i + 1 ] > 0 ) {
- starttime = GetHighResolutionTime();
- //SKP_Silk_SDK_search_for_LBRR( payloadPtr, nBytesPerPacket[ i + 1 ], i + 1, FECpayload, &nBytesFEC );
- tottime += GetHighResolutionTime() - starttime;
+#if 0
+ SKP_Silk_SDK_search_for_LBRR( payloadPtr, nBytesPerPacket[ i + 1 ], i + 1, FECpayload, &nBytesFEC );
if( nBytesFEC > 0 ) {
payloadToDec = FECpayload;
nBytes = nBytesFEC;
@@ -248,6 +245,7 @@
lost = 0;
break;
}
+#endif
}
payloadPtr += nBytesPerPacket[ i + 1 ];
}
@@ -266,9 +264,7 @@
frames = 0;
do {
/* Decode 20 ms */
- starttime = GetHighResolutionTime();
ret = SKP_Silk_SDK_Decode( psDec, &DecControl, 0, &range_dec_celt_state, nBytes, outPtr, &len );
- tottime += GetHighResolutionTime() - starttime;
if( ret ) {
printf( "\nSKP_Silk_SDK_Decode returned %d", ret );
}
@@ -290,11 +286,9 @@
} while( DecControl.moreInternalDecoderFrames );
} else {
/* Loss: Decode enough frames to cover one packet duration */
- for( i = 0; i < DecControl.framesPerPacket; i++ ) {
+ for( i = 0; i < DecControl.framesPerPayload; i++ ) {
/* Generate 20 ms */
- starttime = GetHighResolutionTime();
ret = SKP_Silk_SDK_Decode( psDec, &DecControl, 1, &range_dec_celt_state, nBytes, outPtr, &len );
- tottime += GetHighResolutionTime() - starttime;
if( ret ) {
printf( "\nSKP_Silk_Decode returned %d", ret );
}
@@ -325,7 +319,7 @@
payloadEnd -= nBytesPerPacket[ 0 ];
SKP_memmove( nBytesPerPacket, &nBytesPerPacket[ 1 ], MAX_LBRR_DELAY * sizeof( SKP_int16 ) );
- if( !quiet ) {
+ if( !quiet && totPackets % 100 == 0 ) {
fprintf( stderr, "\rPackets decoded: %d", totPackets );
}
}
@@ -340,9 +334,8 @@
payloadPtr = payload;
for( i = 0; i < MAX_LBRR_DELAY; i++ ) {
if( nBytesPerPacket[ i + 1 ] > 0 ) {
- starttime = GetHighResolutionTime();
- //SKP_Silk_SDK_search_for_LBRR( payloadPtr, nBytesPerPacket[ i + 1 ], i + 1, FECpayload, &nBytesFEC );
- tottime += GetHighResolutionTime() - starttime;
+#if 0
+ SKP_Silk_SDK_search_for_LBRR( payloadPtr, nBytesPerPacket[ i + 1 ], i + 1, FECpayload, &nBytesFEC );
if( nBytesFEC > 0 ) {
payloadToDec = FECpayload;
nBytes = nBytesFEC;
@@ -349,6 +342,7 @@
lost = 0;
break;
}
+#endif
}
payloadPtr += nBytesPerPacket[ i + 1 ];
}
@@ -367,9 +361,7 @@
frames = 0;
do {
/* Decode 20 ms */
- starttime = GetHighResolutionTime();
ret = SKP_Silk_SDK_Decode( psDec, &DecControl, 0, &range_dec_celt_state, nBytes, outPtr, &len );
- tottime += GetHighResolutionTime() - starttime;
if( ret ) {
printf( "\nSKP_Silk_SDK_Decode returned %d", ret );
}
@@ -389,10 +381,8 @@
/* Loss: Decode enough frames to cover one packet duration */
/* Generate 20 ms */
- for( i = 0; i < DecControl.framesPerPacket; i++ ) {
- starttime = GetHighResolutionTime();
+ for( i = 0; i < DecControl.framesPerPayload; i++ ) {
ret = SKP_Silk_SDK_Decode( psDec, &DecControl, 1, &range_dec_celt_state, nBytes, outPtr, &len );
- tottime += GetHighResolutionTime() - starttime;
if( ret ) {
printf( "\nSKP_Silk_Decode returned %d", ret );
}
@@ -417,7 +407,7 @@
payloadEnd -= nBytesPerPacket[ 0 ];
SKP_memmove( nBytesPerPacket, &nBytesPerPacket[ 1 ], MAX_LBRR_DELAY * sizeof( SKP_int16 ) );
- if( !quiet ) {
+ if( !quiet && totPackets % 100 == 0 ) {
fprintf( stderr, "\rPackets decoded: %d", totPackets );
}
}
@@ -425,7 +415,6 @@
filetime = totPackets * 1e-3 * packetSize_ms;
if( !quiet ) {
printf("\nFile length: %.3f s", filetime);
- printf("\nTime for decoding: %.3f s (%.3f%% of realtime)", 1e-6 * tottime, 1e-4 * tottime / filetime);
#ifdef SKP_MACRO_COUNT
printf("\n \nWMOPS calculation");
@@ -434,8 +423,6 @@
#endif
printf("\n\n");
} else {
- /* print time and % of realtime */
- printf( "%.3f %.3f %d ", 1e-6 * tottime, 1e-4 * tottime / filetime, totPackets );
#ifdef SKP_MACRO_COUNT
/* print average and max WMOPS */
printf( "%.3f %.3f \n", (float)totOps / ((float)packetSize_ms * (float)totPackets * 1e3),
@@ -451,9 +438,6 @@
/* Close files */
fclose( speechOutFile );
fclose( bitInFile );
-
- /* Save timing file if TIC/TOC used */
- SKP_TimerSave("decoder_timings.txt");
return 0;
}
--- a/test/Encoder.c
+++ b/test/Encoder.c
@@ -39,8 +39,7 @@
#include <string.h>
#include <math.h>
#include "SKP_Silk_SDK_API.h"
-#include "SKP_Silk_SigProc_FIX.h"
-#include "SKP_debug.h"
+#include "../src_SigProc_FIX/SKP_Silk_SigProc_FIX.h"
/* Define codec specific settings */
#define MAX_BYTES_PER_FRAME 250 // Equals peak bitrate of 100 kbps
@@ -93,11 +92,9 @@
int main( int argc, char* argv[] )
{
- unsigned long tottime, starttime;
double filetime;
size_t counter;
- SKP_int32 k, args, totPackets, totActPackets, ret;
- SKP_int16 nBytes;
+ SKP_int32 k, args, totPackets, totActPackets, ret, nBytes;
double sumBytes, sumActBytes, avg_rate, act_rate, nrg;
SKP_int16 in[ MAX_FRAME_LENGTH_MS * MAX_API_FS_KHZ * MAX_INPUT_FRAMES ];
char speechInFileName[ 150 ], bitOutFileName[ 150 ];
@@ -116,7 +113,8 @@
/* default settings */
SKP_int32 API_fs_Hz = 24000;
- SKP_int32 max_internal_fs_Hz = 0;
+ SKP_int32 max_internal_fs_Hz = 24000;
+ SKP_int32 min_internal_fs_Hz = 8000;
SKP_int32 targetRate_bps = 25000;
SKP_int32 packetSize_ms = 20;
SKP_int32 frameSizeReadFromFile_ms = 10;
@@ -220,7 +218,8 @@
/* Set Encoder parameters */
encControl.API_sampleRate = API_fs_Hz;
encControl.maxInternalSampleRate = max_internal_fs_Hz;
- encControl.packetSize = ( packetSize_ms * API_fs_Hz ) / 1000;
+ encControl.minInternalSampleRate = min_internal_fs_Hz;
+ encControl.payloadSize_ms = packetSize_ms;
encControl.packetLossPercentage = packetLoss_perc;
encControl.useInBandFEC = INBandFEC_enabled;
encControl.useDTX = DTX_enabled;
@@ -232,18 +231,19 @@
exit( 0 );
}
- tottime = 0;
totPackets = 0;
totActPackets = 0;
smplsSinceLastPacket = 0;
sumBytes = 0.0;
sumActBytes = 0.0;
-
+
while( 1 ) {
- /* Init range coder */
- ec_byte_writeinit_buffer( &range_enc_celt_buf, range_buf, MAX_BYTES_PER_FRAME * MAX_INPUT_FRAMES );
- ec_enc_init( &range_enc_celt_state, &range_enc_celt_buf );
-
+ if( smplsSinceLastPacket == 0 ) {
+ /* Init range coder */
+ ec_byte_writeinit_buffer( &range_enc_celt_buf, range_buf, MAX_BYTES_PER_FRAME * MAX_INPUT_FRAMES );
+ ec_enc_init( &range_enc_celt_state, &range_enc_celt_buf );
+ }
+
/* Read input from file */
counter = fread( in, sizeof( SKP_int16 ), ( frameSizeReadFromFile_ms * API_fs_Hz ) / 1000, speechInFile );
#ifdef _SYSTEM_IS_BIG_ENDIAN
@@ -256,7 +256,6 @@
/* max payload size */
nBytes = MAX_BYTES_PER_FRAME * MAX_INPUT_FRAMES;
- starttime = GetHighResolutionTime();
/* Silk Encoder */
ret = SKP_Silk_SDK_Encode( psEnc, &encControl, in, (SKP_int16)counter, &range_enc_celt_state, &nBytes );
if( ret ) {
@@ -263,12 +262,7 @@
printf( "\nSKP_Silk_Encode returned %d", ret );
break;
}
- tottime += GetHighResolutionTime() - starttime;
- /* Finish up the range coder */
- ec_enc_done( &range_enc_celt_state );
-
-
#ifdef SKP_MACRO_COUNT
Ops = SKP_SaveResetCount();
if( Ops > maxOps ){ maxOps = Ops; }
@@ -276,11 +270,15 @@
#endif
/* Get packet size */
- packetSize_ms = ( SKP_int )( ( 1000 * ( SKP_int32 )encControl.packetSize ) / encControl.API_sampleRate );
+ packetSize_ms = encControl.payloadSize_ms;
smplsSinceLastPacket += ( SKP_int )counter;
if( ( ( 1000 * smplsSinceLastPacket ) / API_fs_Hz ) == packetSize_ms ) {
+
+ /* Finish up the range coder */
+ ec_enc_done( &range_enc_celt_state );
+
/* Sends a dummy zero size packet in case of DTX period */
/* to make it work with the decoder test program. */
/* In practice should be handled by RTP sequence numbers */
@@ -301,13 +299,13 @@
swap_endian( &nBytes_LE, 1 );
fwrite( &nBytes_LE, sizeof( SKP_int16 ), 1, bitOutFile );
#else
- fwrite( &nBytes, sizeof( SKP_int16 ), 1, bitOutFile );
+ fwrite( &nBytes, sizeof( SKP_int32 ), 1, bitOutFile );
#endif
/* Write payload */
fwrite( range_buf, sizeof( SKP_uint8 ), nBytes, bitOutFile );
- if( !quiet ) {
+ if( !quiet && totPackets % 100 == 0 ) {
fprintf( stderr, "\rPackets encoded: %d", totPackets );
}
smplsSinceLastPacket = 0;
@@ -318,7 +316,7 @@
nBytes = -1;
/* Write payload size */
- fwrite( &nBytes, sizeof( SKP_int16 ), 1, bitOutFile );
+ fwrite( &nBytes, sizeof( SKP_int32 ), 1, bitOutFile );
/* Free Encoder */
free( psEnc );
@@ -331,7 +329,6 @@
act_rate = 8.0 / packetSize_ms * sumActBytes / totActPackets;
if( !quiet ) {
printf( "\nFile length: %.3f s", filetime );
- printf( "\nTime for encoding: %.3f s (%.3f%% of realtime)", 1e-6 * tottime, 1e-4 * tottime / filetime );
printf( "\nAverage bitrate: %.3f kbps", avg_rate );
printf( "\nActive bitrate: %.3f kbps", act_rate );
#ifdef SKP_MACRO_COUNT
@@ -341,9 +338,6 @@
#endif
printf( "\n\n" );
} else {
- /* print time and % of realtime */
- printf("%.3f %.3f %d ", 1e-6 * tottime, 1e-4 * tottime / filetime, totPackets );
-
/* print average and active bitrates */
printf( "%.3f %.3f ", avg_rate, act_rate );
#ifdef SKP_MACRO_COUNT
@@ -354,9 +348,6 @@
printf( "%.3f %.3f \n", 0, 0);
#endif
}
-
- /* Save timing file if TIC/TOC used */
- SKP_TimerSave("encoder_timings.txt");
return 0;
}
--
⑨