Merge remote-tracking branch 'origin/main' into... (5bf543ac) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/env_stab.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -44,6 +44,9 @@
		#include "prot.h"
		#include "rom_com.h"
		#include "wmc_auto.h"
		#ifdef FIX_594_STL_INCLUDE
		#include "stl.h"
		#endif
		#ifdef DEBUGGING
		#include "assert.h"
		#endif
		@@ -92,8 +95,12 @@ float env_stability(
		#ifdef BASOP_NOGLOB
		Overflow = 0;
		env_delta = shl_o( *mem_env_delta, 1, &Overflow );
		#else
		#ifdef FIX_595_SHL_NOGLOB
		env_delta = shl( *mem_env_delta, 1 );
		#else
		env_delta = shl_o( *mem_env_delta, 1 );
		#endif
		#endif
		}
		else

lib_com/ifft_rel.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -229,7 +229,11 @@ void ifft_rel(
		-----------------------------------------------------------------/

		idx = fft256_read_indexes;
		#ifdef FIX_622_SILENCE_USAN_WARNING
		xi0 = &temp[0] - 1;
		#else
		xi0 = temp - 1;
		#endif
		if ( n == 128 )
		{
		for ( i = 0; i < n; i++ )

lib_com/ivas_cnst.h

+5 −0

Original line number	Diff line number	Diff line
		@@ -887,7 +887,12 @@ enum fea_names
		#define MDCT_ST_PLC_FADEOUT_DELAY_4_LSP_FADE 3

		typedef enum {
		#ifdef FIX_619_ADD_UNDEF_VAL_FOR_CONCEALMENT_MODE
		NOISE_GEN_MODE_UNDEF = -1,
		EQUAL_CORES = 0,
		#else
		EQUAL_CORES,
		#endif
		TCX10_IN_0_TCX20_IN_1,
		TCX20_IN_0_TCX10_IN_1,
		} TONALMDCTCONC_NOISE_GEN_MODE;

lib_com/ivas_cov_smooth.c

+87 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,7 @@
		#include "prot.h"

		#define BAND_SMOOTH_REST_START_IDX ( 2 )
		#ifndef CODE_CLEAN_UP_DIRAC
		/-----------------------------------------------------------------------------------------
		* Function ivas_set_up_cov_smoothing()
		*
		@@ -138,7 +139,93 @@ static void ivas_set_up_cov_smoothing(

		return;
		}
		#else

		/-----------------------------------------------------------------------------------------
		* Function ivas_calculate_update_factor()
		*
		* To calculate the update factor
		-----------------------------------------------------------------------------------------/

		static float ivas_calculate_update_factor( float *p_bin_to_band, int16_t active_bins )
		{
		float update_factor_temp = 0.0f;
		int16_t k;
		for ( k = 0; k < active_bins; k++ )
		{
		update_factor_temp += p_bin_to_band[k];
		}
		return update_factor_temp;
		}

		/-----------------------------------------------------------------------------------------
		* Function ivas_calculate_smoothning_factor()
		*
		* To calculate the Smoothning factor
		-----------------------------------------------------------------------------------------/

		static void ivas_calculate_smoothning_factor( float *Smoothing_factor, float update_factor, const int16_t min_pool_size, const float max_update_rate, const COV_SMOOTHING_TYPE smooth_mode, const int32_t ivas_total_brate, int16_t j )
		{
		float smooth_fact;
		*Smoothing_factor = update_factor / min_pool_size;
		if ( smooth_mode != COV_SMOOTH_MC )
		{
		if ( ivas_total_brate < IVAS_24k4 )
		{
		smooth_fact = 0.5f;
		}
		else
		{
		smooth_fact = 0.75f;
		}
		Smoothing_factor = ( j + 1 ) * smooth_fact;
		}
		if ( *Smoothing_factor > max_update_rate )
		{
		*Smoothing_factor = max_update_rate;
		}
		}

		/-----------------------------------------------------------------------------------------
		* Function ivas_set_up_cov_smoothing()
		*
		* Setup for covariance smoothing
		-----------------------------------------------------------------------------------------/

		static void ivas_set_up_cov_smoothing(
		ivas_cov_smooth_state_t *hCovState,
		ivas_filterbank_t *pFb,
		const float max_update_rate,
		const int16_t min_pool_size,
		const COV_SMOOTHING_TYPE smooth_mode, /* i : flag multichannel vs SPAR */
		const int32_t ivas_total_brate )
		{
		int16_t j;
		float update_factor;
		if ( smooth_mode == COV_SMOOTH_MC )
		{
		for ( j = 0; j < pFb->filterbank_num_bands; j++ )
		{
		int16_t active_bins = pFb->fb_bin_to_band.pFb_active_bins_per_band[j];
		update_factor = ivas_calculate_update_factor( pFb->fb_bin_to_band.pFb_bin_to_band[j], active_bins );
		ivas_calculate_smoothning_factor( &hCovState->pSmoothing_factor[j], update_factor, min_pool_size, max_update_rate, smooth_mode, ivas_total_brate, j );
		}
		}
		else
		{
		for ( j = 0; j < pFb->filterbank_num_bands; j++ )
		{
		float *p_bin_to_band = pFb->fb_bin_to_band.pp_short_stride_bin_to_band[j];
		int16_t active_bins = pFb->fb_bin_to_band.p_short_stride_num_bins_per_band[j];
		update_factor = ivas_calculate_update_factor( p_bin_to_band, active_bins );
		ivas_calculate_smoothning_factor( &hCovState->pSmoothing_factor[j], update_factor, min_pool_size, max_update_rate, smooth_mode, ivas_total_brate, j );
		}
		}

		hCovState->prior_bank_idx = -1;
		}

		#endif

		/*-------------------------------------------------------------------------
		* ivas_spar_covar_smooth_enc_open()

lib_com/ivas_prot.h

+32 −2

Original line number	Diff line number	Diff line
		@@ -4252,6 +4252,10 @@ void ivas_sba_mix_matrix_determiner(
		const int16_t bfi, /* i : BFI flag */
		const int16_t nchan_remapped, /* i : num channels after remapping of TCs */
		const int16_t output_frame /* i : output frame length */
		#ifdef VLBR_20MS_MD
		,
		const int16_t num_md_sub_frames /* i : number of subframes in mixing matrix */
		#endif
		);

		/* AGC */
		@@ -4525,8 +4529,11 @@ void ivas_calc_c_p_coeffs(
		const int16_t num_dmx,
		const int16_t band_idx,
		const int16_t dtx_vad,
		const int16_t compute_p_flag,
		const int16_t compute_p_flag
		#ifndef FIX_280_PLANAR_CP
		,
		const int16_t planarCP
		#endif
		);

		void ivas_get_spar_md_from_dirac(
		@@ -4551,7 +4558,23 @@ void ivas_get_spar_md_from_dirac(
		int16_t ivas_get_spar_dec_md_num_subframes(
		const int16_t sba_order, /* i : Ambisonic (SBA) order */
		const int32_t ivas_total_brate /* i : IVAS total bitrate */
		#ifdef VLBR_20MS_MD
		,
		const int32_t ivas_last_active_brate /* i : IVAS last active bitrate */
		#endif
		);
		#ifdef VLBR_20MS_MD

		ivas_error ivas_spar_md_dec_matrix_open(
		ivas_spar_md_dec_state_t hMdDec, / i/o: SPAR MD decoder handle */
		const int16_t num_channels, /* i : number of internal channels */
		const int16_t num_md_sub_frames );

		void ivas_spar_md_dec_matrix_close(
		ivas_spar_md_dec_state_t hMdDecoder, / i/o: SPAR MD decoder handle */
		const int16_t num_channels ); /* i : number of internal channels */

		#endif

		ivas_error ivas_spar_md_dec_open(
		ivas_spar_md_dec_state_t *hMdDec_out, / i/o: SPAR MD decoder handle */
		@@ -4559,6 +4582,10 @@ ivas_error ivas_spar_md_dec_open(
		const int16_t num_channels, /* i : number of internal channels */
		const int16_t sba_order, /* i : SBA order */
		const int16_t sid_format /* i : SID format */
		#ifdef VLBR_20MS_MD
		,
		const int32_t last_active_ivas_total_brate /* i : IVAS last active bitrate */
		#endif
		);

		void ivas_spar_md_dec_close(
		@@ -4995,8 +5022,11 @@ void ivas_copy_band_coeffs_idx_to_arr(
		const int16_t nB,
		int16_t *pSymbol_re,
		ivas_cell_dim_t *pCell_dims,
		const ivas_coeffs_type_t coeff_type,
		const ivas_coeffs_type_t coeff_type
		#ifndef FIX_280_PLANAR_CP
		,
		const int16_t planarCP
		#endif
		);

		void ivas_clear_band_coeffs(