freeswitch/libs/silk/src/SKP_Silk_common_pitch_est_d...

76 lines
3.8 KiB
C

/***********************************************************************
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#ifndef SIGPROC_COMMON_PITCH_EST_DEFINES_H
#define SIGPROC_COMMON_PITCH_EST_DEFINES_H
#include "SKP_Silk_SigProc_FIX.h"
/************************************************************/
/* Definitions For Fix pitch estimator */
/************************************************************/
#define PITCH_EST_MAX_FS_KHZ 24 /* Maximum sampling frequency used */
#define PITCH_EST_FRAME_LENGTH_MS 40 /* 40 ms */
#define PITCH_EST_MAX_FRAME_LENGTH (PITCH_EST_FRAME_LENGTH_MS * PITCH_EST_MAX_FS_KHZ)
#define PITCH_EST_MAX_FRAME_LENGTH_ST_1 (PITCH_EST_MAX_FRAME_LENGTH >> 2)
#define PITCH_EST_MAX_FRAME_LENGTH_ST_2 (PITCH_EST_MAX_FRAME_LENGTH >> 1)
#define PITCH_EST_MAX_SF_FRAME_LENGTH (PITCH_EST_SUB_FRAME * PITCH_EST_MAX_FS_KHZ)
#define PITCH_EST_MAX_LAG_MS 18 /* 18 ms -> 56 Hz */
#define PITCH_EST_MIN_LAG_MS 2 /* 2 ms -> 500 Hz */
#define PITCH_EST_MAX_LAG (PITCH_EST_MAX_LAG_MS * PITCH_EST_MAX_FS_KHZ)
#define PITCH_EST_MIN_LAG (PITCH_EST_MIN_LAG_MS * PITCH_EST_MAX_FS_KHZ)
#define PITCH_EST_NB_SUBFR 4
#define PITCH_EST_D_SRCH_LENGTH 24
#define PITCH_EST_MAX_DECIMATE_STATE_LENGTH 7
#define PITCH_EST_NB_STAGE3_LAGS 5
#define PITCH_EST_NB_CBKS_STAGE2 3
#define PITCH_EST_NB_CBKS_STAGE2_EXT 11
#define PITCH_EST_CB_mn2 1
#define PITCH_EST_CB_mx2 2
#define PITCH_EST_NB_CBKS_STAGE3_MAX 34
#define PITCH_EST_NB_CBKS_STAGE3_MID 24
#define PITCH_EST_NB_CBKS_STAGE3_MIN 16
extern const SKP_int16 SKP_Silk_CB_lags_stage2[PITCH_EST_NB_SUBFR][PITCH_EST_NB_CBKS_STAGE2_EXT];
extern const SKP_int16 SKP_Silk_CB_lags_stage3[PITCH_EST_NB_SUBFR][PITCH_EST_NB_CBKS_STAGE3_MAX];
extern const SKP_int16 SKP_Silk_Lag_range_stage3[ SKP_Silk_PITCH_EST_MAX_COMPLEX + 1 ] [ PITCH_EST_NB_SUBFR ][ 2 ];
extern const SKP_int16 SKP_Silk_cbk_sizes_stage3[ SKP_Silk_PITCH_EST_MAX_COMPLEX + 1 ];
extern const SKP_int16 SKP_Silk_cbk_offsets_stage3[ SKP_Silk_PITCH_EST_MAX_COMPLEX + 1 ];
#endif