ref: 708eea7d2978b554421e6f485ce237430cfeed80
dir: /psych.h/
/*
* Function prototypes for psychoacoustics
*
* Copyright (c) 1999 M. Bakker
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/**************************************************************************
Version Control Information Method: CVS
Identifiers:
$Revision: 1.22 $
$Date: 2000/10/05 13:04:05 $ (check in)
$Author: menno $
*************************************************************************/
#include "interface.h"
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#ifndef min
#define min(a,b) ( (a) < (b) ? (a) : (b) )
#endif
#ifndef max
#define max(a,b) ( (a) > (b) ? (a) : (b) )
#endif
typedef struct {
long sampling_rate; /* the following entries are for this sampling rate */
int num_cb_long;
int num_cb_short;
int cb_width_long[NSFB_LONG];
int cb_width_short[NSFB_SHORT];
} SR_INFO;
#define OFFSET_FOR_SHORT 448
#define NPART_LONG 100
#define NPART_SHORT 100
typedef struct {
double hw[BLOCK_LEN_LONG*2]; /* Hann window table */
} FFT_TABLE_LONG;
typedef struct {
double hw[BLOCK_LEN_SHORT*2]; /* Hann window table */
} FFT_TABLE_SHORT;
typedef struct {
double bval[NPART_LONG];
double qsthr[NPART_LONG];
double rnorm[NPART_LONG];
double bmax[NPART_LONG];
double spreading[NPART_LONG][NPART_LONG];
} DYN_PART_TABLE_LONG;
typedef struct {
int sampling_rate;
int len; /* length of the table */
int w_low[NPART_LONG];
int w_high[NPART_LONG];
int width[NPART_LONG];
DYN_PART_TABLE_LONG *dyn;
} PARTITION_TABLE_LONG;
typedef struct {
double bval[NPART_SHORT];
double qsthr[NPART_SHORT];
double rnorm[NPART_SHORT];
double bmax[NPART_SHORT];
double spreading[NPART_SHORT][NPART_SHORT];
} DYN_PART_TABLE_SHORT;
typedef struct {
int sampling_rate;
int len; /* length of the table */
int w_low[NPART_SHORT];
int w_high[NPART_SHORT];
int width[NPART_SHORT];
DYN_PART_TABLE_SHORT *dyn;
} PARTITION_TABLE_SHORT;
typedef struct {
double fft_r[BLOCK_LEN_LONG*3];
double fft_f[BLOCK_LEN_LONG*3];
int p_fft; /* pointer for fft_r and fft_f */
double nb[NPART_LONG*2];
double en[NPART_LONG];
int p_nb; /* pointer for nb */
double ismr[NSFB_LONG]; /* 1/SMR in each swb */
int use_ms[NSFB_LONG];
} PSY_STATVARIABLE_LONG;
typedef struct {
double r_pred[BLOCK_LEN_LONG];
double f_pred[BLOCK_LEN_LONG];
double c[BLOCK_LEN_LONG];
double e[NPART_LONG];
double cw[NPART_LONG];
double en[NPART_LONG];
double cb[NPART_LONG];
double cbb[NPART_LONG];
double tb[NPART_LONG];
double snr[NPART_LONG];
double bc[NPART_LONG];
double pe;
double epart[NSFB_LONG];
double thr[BLOCK_LEN_LONG];
double npart[NSFB_LONG];
} PSY_VARIABLE_LONG;
typedef struct {
double fft_r[MAX_SHORT_WINDOWS][BLOCK_LEN_SHORT];
double fft_f[MAX_SHORT_WINDOWS][BLOCK_LEN_SHORT];
double last6_fft_r[BLOCK_LEN_SHORT];
double last6_fft_f[BLOCK_LEN_SHORT];
double last7_fft_r[BLOCK_LEN_SHORT];
double last7_fft_f[BLOCK_LEN_SHORT];
double nb[MAX_SHORT_WINDOWS][NPART_SHORT];
double en[MAX_SHORT_WINDOWS][NPART_SHORT];
double last7_nb[NPART_SHORT];
double ismr[MAX_SHORT_WINDOWS][NSFB_SHORT]; /* 1/SMR in each swb */
int use_ms[MAX_SHORT_WINDOWS][NSFB_SHORT];
} PSY_STATVARIABLE_SHORT;
typedef struct {
double r_pred[MAX_SHORT_WINDOWS][BLOCK_LEN_SHORT];
double f_pred[MAX_SHORT_WINDOWS][BLOCK_LEN_SHORT];
double c[MAX_SHORT_WINDOWS][BLOCK_LEN_SHORT];
double e[MAX_SHORT_WINDOWS][NPART_SHORT];
double cw[MAX_SHORT_WINDOWS][NPART_SHORT];
double en[MAX_SHORT_WINDOWS][NPART_SHORT];
double cb[MAX_SHORT_WINDOWS][NPART_SHORT];
double cbb[MAX_SHORT_WINDOWS][NPART_SHORT];
double tb[MAX_SHORT_WINDOWS][NPART_SHORT];
double snr[MAX_SHORT_WINDOWS][NPART_SHORT];
double bc[MAX_SHORT_WINDOWS][NPART_SHORT];
double epart[MAX_SHORT_WINDOWS][NSFB_SHORT];
double thr[MAX_SHORT_WINDOWS][BLOCK_LEN_SHORT];
double npart[MAX_SHORT_WINDOWS][NSFB_SHORT];
double pe[MAX_SHORT_WINDOWS];
} PSY_VARIABLE_SHORT;
typedef struct {
double *p_ratio;
int *cb_width;
int use_ms[NSFB_LONG];
int no_of_cb;
} CH_PSYCH_OUTPUT_LONG;
typedef struct {
double *p_ratio;
int *cb_width;
int use_ms[NSFB_SHORT];
int no_of_cb;
} CH_PSYCH_OUTPUT_SHORT;
#ifdef __cplusplus
extern "C" {
#endif
void EncTf_psycho_acoustic_init( void );
void psy_fill_lookahead(double *p_time_signal[], int no_of_chan);
void EncTf_psycho_acoustic(
/* input */
double sampling_rate,
int no_of_chan, /* no of audio channels */
Ch_Info* chInfo,
double *p_time_signal[],
enum WINDOW_TYPE block_type[],
int use_MS,
/* output */
CH_PSYCH_OUTPUT_LONG p_chpo_long[],
CH_PSYCH_OUTPUT_SHORT p_chpo_short[][MAX_SHORT_WINDOWS]
);
#define psy_sqr(x) ((x)*(x))
double psy_get_absthr(double f); /* Jul 8 */
void psy_fft_table_init(FFT_TABLE_LONG *fft_tbl_long,
FFT_TABLE_SHORT *fft_tbl_short
);
void psy_part_table_init(double sampling_rate,
PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short
);
void psy_calc_init(double sample[][BLOCK_LEN_LONG*2],
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short
);
void psy_step1(double* p_time_signal[],
double sample[][BLOCK_LEN_LONG*2],
int ch
);
void psy_step2(double sample[][BLOCK_LEN_LONG*2],
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
FFT_TABLE_LONG *fft_tbl_long,
FFT_TABLE_SHORT *fft_tbl_short,
int ch
);
void psy_step3(PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step4(PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step5(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step6(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step7(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step8(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step9(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step10(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step11(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short
);
void psy_step12(
PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long
,PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step13(PSY_VARIABLE_LONG *psy_var_long,
enum WINDOW_TYPE *block_type
);
void psy_step14(SR_INFO *p_sri,
PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short
);
void psy_step15(SR_INFO *p_sri,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
PSY_VARIABLE_LONG *psy_var_long, PSY_VARIABLE_SHORT *psy_var_short,
int leftChan, int rightChan, int midChan, int sideChan
);
void psy_step2MS(PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
int leftChan, int rightChan,
int midChan, int sideChan);
void psy_step4MS(PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short,
int leftChan, int rightChan,
int midChan, int sideChan);
void psy_step7MS(PSY_VARIABLE_LONG *psy_var_long,
PSY_VARIABLE_SHORT *psy_var_short,
int leftChan, int rightChan,
int midChan, int sideChan);
void psy_step11MS(PARTITION_TABLE_LONG *part_tbl_long,
PARTITION_TABLE_SHORT *part_tbl_short,
PSY_STATVARIABLE_LONG *psy_stvar_long,
PSY_STATVARIABLE_SHORT *psy_stvar_short,
int leftChan, int rightChan,
int midChan, int sideChan);
#ifdef __cplusplus
}
#endif