ref: 8ce8649604f903ad48951be7921a0ee3650c80b8
dir: /amr-wb/cod_main.h/
/*--------------------------------------------------------------------------*
* COD_MAIN.H *
*--------------------------------------------------------------------------*
* Static memory in the encoder *
*--------------------------------------------------------------------------*/
#include "cnst.h" /* coder constant parameters */
#include "wb_vad.h"
#include "dtx.h"
typedef struct
{
Word16 mem_decim[2 * L_FILT16k]; /* speech decimated filter memory */
Word16 mem_sig_in[6]; /* hp50 filter memory */
Word16 mem_preemph; /* speech preemph filter memory */
Word16 old_speech[L_TOTAL - L_FRAME]; /* old speech vector at 12.8kHz */
Word16 old_wsp[PIT_MAX / OPL_DECIM]; /* old decimated weighted speech vector */
Word16 old_exc[PIT_MAX + L_INTERPOL]; /* old excitation vector */
Word16 mem_levinson[M + 2]; /* levinson routine memory */
Word16 ispold[M]; /* old isp (immittance spectral pairs) */
Word16 ispold_q[M]; /* quantized old isp */
Word16 past_isfq[M]; /* past isf quantizer */
Word16 mem_wsp; /* wsp vector memory */
Word16 mem_decim2[3]; /* wsp decimation filter memory */
Word16 mem_w0; /* target vector memory */
Word16 mem_syn[M]; /* synthesis memory */
Word16 tilt_code; /* tilt of code */
Word16 old_wsp_max; /* old wsp maximum value */
Word16 old_wsp_shift; /* old wsp shift */
Word16 Q_old; /* old scaling factor */
Word16 Q_max[2]; /* old maximum scaling factor */
Word16 gp_clip[2]; /* gain of pitch clipping memory */
Word16 qua_gain[4]; /* gain quantizer memory */
Word16 old_T0_med;
Word16 ol_gain;
Word16 ada_w;
Word16 ol_wght_flg;
Word16 old_ol_lag[5];
Word16 hp_wsp_mem[9];
Word16 old_hp_wsp[L_FRAME / OPL_DECIM + (PIT_MAX / OPL_DECIM)];
VadVars *vadSt;
dtx_encState *dtx_encSt;
Word16 first_frame;
Word16 isfold[M]; /* old isf (frequency domain) */
Word32 L_gc_thres; /* threshold for noise enhancer */
Word16 mem_syn_hi[M]; /* modified synthesis memory (MSB) */
Word16 mem_syn_lo[M]; /* modified synthesis memory (LSB) */
Word16 mem_deemph; /* speech deemph filter memory */
Word16 mem_sig_out[6]; /* hp50 filter memory for synthesis */
Word16 mem_hp400[6]; /* hp400 filter memory for synthesis */
Word16 mem_oversamp[2 * L_FILT]; /* synthesis oversampled filter memory */
Word16 mem_syn_hf[M]; /* HF synthesis memory */
Word16 mem_hf[2 * L_FILT16k]; /* HF band-pass filter memory */
Word16 mem_hf2[2 * L_FILT16k]; /* HF band-pass filter memory */
Word16 seed2; /* random memory for HF generation */
Word16 vad_hist;
Word16 gain_alpha;
} Coder_State;