Merged with main (c7a1fb8e) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_cnst.h

+4 −0

Original line number	Original line	Diff line number	Diff line
	@@ -837,6 +837,10 @@ enum fea_names
	#define SNS_MSVQ_NSTAGES_TCX10 3		#define SNS_MSVQ_NSTAGES_TCX10 3
	#define SNS_MSVQ_NSTAGES_SIDE 2		#define SNS_MSVQ_NSTAGES_SIDE 2
	#endif		#endif
			#ifdef FIX_445_SNS_BUGFIXES
			#define SNS_CDBKS_BITS_4_FRAC 12
			#define SNS_MEANS_BITS_4_FRAC 14
			#endif

	#define MDCT_ST_PLC_FADEOUT_MIN_NOISE_NRG 0.001f		#define MDCT_ST_PLC_FADEOUT_MIN_NOISE_NRG 0.001f
	#define MDCT_ST_PLC_FADEOUT_MAX_CONC_FRAME 2 * FRAMES_PER_SEC		#define MDCT_ST_PLC_FADEOUT_MAX_CONC_FRAME 2 * FRAMES_PER_SEC

lib_com/ivas_prot.h

+12 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2415,12 +2415,18 @@ void sns_avq_cod(
	float snsmid_q, / o : Quantized mid-LFS vectors */		float snsmid_q, / o : Quantized mid-LFS vectors */
	int16_t index, / o : Quantization indices */		int16_t index, / o : Quantization indices */
	const int16_t core, /* i : core */		const int16_t core, /* i : core */
			#ifdef FIX_445_SNS_BUGFIXES
			const int16_t L_frame,
			#endif
	const int16_t low_brate_mode /* i : flag low bit operating mode */		const int16_t low_brate_mode /* i : flag low bit operating mode */
	);		);

	void sns_avq_cod_stereo(		void sns_avq_cod_stereo(
	const float snsl, / i : Input sns vector (left channel) */		const float snsl, / i : Input sns vector (left channel) */
	const float snsr, / i : Input sns vector (right channel) */		const float snsr, / i : Input sns vector (right channel) */
			#ifdef FIX_445_SNS_BUGFIXES
			const int16_t L_frame,
			#endif
	float snsl_q, / o : Quantized sns vector (left channel) */		float snsl_q, / o : Quantized sns vector (left channel) */
	float snsr_q, / o : Quantized sns vector (right channel) */		float snsr_q, / o : Quantized sns vector (right channel) */
	int16_t indexl, / o : Quantization indices (left channel) */		int16_t indexl, / o : Quantization indices (left channel) */
	@@ -2433,6 +2439,9 @@ void sns_avq_dec(
	float SNS_Q[NB_DIV][M], /* o : Quantized SNS vectors */		float SNS_Q[NB_DIV][M], /* o : Quantized SNS vectors */
	#else		#else
	float SNS_Q, / o : Quantized SNS vectors */		float SNS_Q, / o : Quantized SNS vectors */
			#endif
			#ifdef FIX_445_SNS_BUGFIXES
			const int16_t L_frame,
	#endif		#endif
	const int16_t numlpc /* i : Number of sets of lpc */		const int16_t numlpc /* i : Number of sets of lpc */
	);		);
	@@ -2440,6 +2449,9 @@ void sns_avq_dec(
	void sns_avq_dec_stereo(		void sns_avq_dec_stereo(
	int16_t indexl, / i : Quantization indices (left channel) */		int16_t indexl, / i : Quantization indices (left channel) */
	int16_t indexr, / i : Quantization indices (right channe) */		int16_t indexr, / i : Quantization indices (right channe) */
			#ifdef FIX_445_SNS_BUGFIXES
			const int16_t L_frame,
			#endif
	float SNS_Ql, / o : Quantized SNS vectors (left channel) */		float SNS_Ql, / o : Quantized SNS vectors (left channel) */
	float SNS_Qr / o : Quantized SNS vectors (right channe) */		float SNS_Qr / o : Quantized SNS vectors (right channe) */
	);		);

lib_com/ivas_rom_com.c

+744 −1

File changed.

Preview size limit exceeded, changes collapsed.

lib_com/ivas_rom_com.h

+26 −0

Original line number	Original line	Diff line number	Diff line
	@@ -408,6 +408,24 @@ extern const int16_t ivas_num_active_bands[FB - WB + 1];
	/------------------------------------------------------------------------------------------		/------------------------------------------------------------------------------------------
	* SNS MSVQ codebooks and means		* SNS MSVQ codebooks and means
	------------------------------------------------------------------------------------------/		------------------------------------------------------------------------------------------/
			#ifdef FIX_445_SNS_BUGFIXES
			extern const int16_t ivas_sns_cdbks_tcx20_levels[];
			extern const int16_t ivas_sns_cdbks_tcx20_bits[];

			extern const int16_t ivas_sns_cdbks_tcx10_levels[];
			extern const int16_t ivas_sns_cdbks_tcx10_bits[];

			extern const float *const ivas_sns_cdbks_tcx20[];
			extern const float *const ivas_sns_cdbks_tcx10[];

			extern const int16_t ivas_sns_cdbks_side_tcx20_levels[];
			extern const int16_t ivas_sns_cdbks_side_tcx20_bits[];
			extern const int16_t ivas_sns_cdbks_side_tcx10_levels[];
			extern const int16_t ivas_sns_cdbks_side_tcx10_bits[];

			extern const float *const ivas_sns_cdbks_side_tcx20[];
			extern const float *const ivas_sns_cdbks_side_tcx10[];
			#else
	extern const int16_t ivas_sns_cdbks_tcx20_levels[];		extern const int16_t ivas_sns_cdbks_tcx20_levels[];
	extern const int16_t ivas_sns_cdbks_tcx20_bits[];		extern const int16_t ivas_sns_cdbks_tcx20_bits[];

	@@ -430,6 +448,14 @@ extern const float ivas_sns_means_side_tcx20[];
	extern const float *const ivas_sns_cdbks_side_tcx10[];		extern const float *const ivas_sns_cdbks_side_tcx10[];
	extern const float ivas_sns_means_side_tcx10[];		extern const float ivas_sns_means_side_tcx10[];
	#endif		#endif
			#endif

			#ifdef FIX_445_SNS_BUGFIXES
			/* means and codebooks for the split VQ in the 2-stage SNS VQ */
			extern const int16_t sns_1st_cdbk[2][2][8 * 32];
			extern const int16_t sns_1st_means_16k[2][16];
			extern const int16_t sns_1st_means_25k6[2][16];
			extern const int16_t sns_1st_means_32k[2][16];
			#endif
	/* IVAS_ROM_COM_H */		/* IVAS_ROM_COM_H */
	#endif		#endif

lib_com/ivas_sns_com.c

+21 −0

Original line number	Original line	Diff line number	Diff line
	@@ -36,6 +36,9 @@
	#include "prot.h"		#include "prot.h"
	#include "ivas_prot.h"		#include "ivas_prot.h"
	#include "rom_com.h"		#include "rom_com.h"
			#ifdef FIX_445_SNS_BUGFIXES
			#include "ivas_rom_com.h"
			#endif
	#include <math.h>		#include <math.h>
	#include <assert.h>		#include <assert.h>
	#ifdef DEBUGGING		#ifdef DEBUGGING
	@@ -118,6 +121,23 @@ void sns_compute_scf(
	xs[FDNS_NPTS - 1] = 0.75f * x[FDNS_NPTS - 1] + 0.25f * x[FDNS_NPTS - 2];		xs[FDNS_NPTS - 1] = 0.75f * x[FDNS_NPTS - 1] + 0.25f * x[FDNS_NPTS - 2];

	/* Pre-emphasis */		/* Pre-emphasis */
			#ifdef FIX_445_SNS_BUGFIXES
			switch ( L_frame )
			{
			case L_FRAME16k:
			tilt = 19.f;
			break;
			case L_FRAME25_6k:
			tilt = 22.f;
			break;
			case L_FRAME32k:
			tilt = 23.5f;
			break;
			default:
			tilt = 0.f;
			assert( !"illegal frame length in sns_compute_scf" );
			}
			#else
	if ( L_frame == L_FRAME16k )		if ( L_frame == L_FRAME16k )
	{		{
	tilt = 18.f;		tilt = 18.f;
	@@ -143,6 +163,7 @@ void sns_compute_scf(
	tilt = 0.f;		tilt = 0.f;
	assert( 0 && "illegal frame length in sns_compute_scf" );		assert( 0 && "illegal frame length in sns_compute_scf" );
	}		}
			#endif

	for ( i = 0; i < FDNS_NPTS; i++ )		for ( i = 0; i < FDNS_NPTS; i++ )
	{		{