Merge branch 'main' into 892-memory-consumption-in-bytes-instead-of-words (cdd86446) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -172,6 +172,7 @@
		#define NONBE_FIX_878_RS_FEC_STEREO_CNG /* Eri: Frame loss and Unified Stereo CNG may cause false BER detection which results in corrupt bitstream decoding */
		#define NONBE_FIX_904_JBM_SBA_RS_FOA /* FhG: issue #904: fix JBM SBA RS to FOA decoding */
		#define NONBE_FIX_898_ISM_BRATE_CRASH /* VA: issue 898: fix decoder crash in ISM bitrate switching with DTX and binaural output */
		#define NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC /* DLB: issue 862 : UBSAN: out-of-bound error in SPAR for OSBA bitrate switching with PLC*/

		/* ##################### End NON-BE switches ########################### */

lib_dec/ivas_corecoder_dec_reconfig.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -64,6 +64,10 @@ ivas_error ivas_corecoder_dec_reconfig(
		MC_MODE last_mc_mode;
		DECODER_CONFIG_HANDLE hDecoderConfig;
		ivas_error error;
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		int16_t prev_bfi;
		Decoder_State *st0;
		#endif

		/-----------------------------------------------------------------
		* Initialization
		@@ -141,6 +145,10 @@ ivas_error ivas_corecoder_dec_reconfig(
		}
		else
		{
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		st0 = ( nSCE_old > 0 ) ? st_ivas->hSCE[0]->hCoreCoder[0] : st_ivas->hCPE[0]->hCoreCoder[0];
		prev_bfi = st0->prev_bfi;
		#endif
		nSCE_existing = min( nSCE_old, st_ivas->nSCE );
		nCPE_existing = min( nCPE_old, st_ivas->nCPE );

		@@ -213,6 +221,9 @@ ivas_error ivas_corecoder_dec_reconfig(
		{
		return error;
		}
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		st_ivas->hSCE[sce_id]->hCoreCoder[0]->prev_bfi = prev_bfi;
		#endif
		}
		if ( st_ivas->sba_dirac_stereo_flag && sba_dirac_stereo_flag_old && st_ivas->nchan_transport == 1 && nSCE_old == 0 )
		{
		@@ -241,6 +252,10 @@ ivas_error ivas_corecoder_dec_reconfig(
		{
		return error;
		}
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		st_ivas->hCPE[cpe_id]->hCoreCoder[0]->prev_bfi = prev_bfi;
		st_ivas->hCPE[cpe_id]->hCoreCoder[1]->prev_bfi = prev_bfi;
		#endif
		}

		if ( st_ivas->nCPE > 1 && nCPE_old <= 1 )

lib_dec/ivas_spar_md_dec.c

+318 −11

Original line number	Diff line number	Diff line
		@@ -76,13 +76,21 @@ static void ivas_spar_dec_compute_ramp_down_post_matrix( ivas_spar_md_dec_state_

		static void ivas_spar_md_fill_invalid_bands( ivas_spar_dec_matrices_t pSpar_coeffs, ivas_spar_dec_matrices_t pSpar_coeffs_prev, const int16_t valid_bands, int16_t base_band_age, const int16_t num_bands, const int16_t numch_out, const int16_t num_md_sub_frames );

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		static void ivas_spar_md_fill_invalid_bandcoeffs( ivas_band_coeffs_t pBand_coeffs, ivas_band_coeffs_t pBand_coeffs_prev, const int16_t valid_bands, int16_t base_band_age, int16_t *first_valid_frame, const int16_t num_bands );
		#endif
		static ivas_error ivas_spar_set_dec_config( ivas_spar_md_dec_state_t hMdDec, const int16_t nchan_transport, float pFC );

		static void ivas_parse_parameter_bitstream_dtx( ivas_spar_md_t pSpar_md, Decoder_State st, const int16_t bw, const int16_t num_bands, int16_t num_dmx_per_band, int16_t num_dec_per_band );

		static ivas_error ivas_deindex_real_index( const int16_t index, const int16_t q_levels, const float min_value, const float max_value, float quant, const int16_t num_ch_dim2 );

		static void ivas_spar_dec_parse_md_bs( ivas_spar_md_dec_state_t hMdDec, Decoder_State st, int16_t nB, int16_t bands_bw, int16_t *dtx_vad, const int32_t ivas_total_brate, const int16_t sba_inactive_mode, const int32_t last_active_brate );
		static void ivas_spar_dec_parse_md_bs( ivas_spar_md_dec_state_t hMdDec, Decoder_State st, int16_t nB, int16_t bands_bw, int16_t *dtx_vad, const int32_t ivas_total_brate, const int16_t sba_inactive_mode
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		,
		const int32_t last_active_brate
		#endif
		);


		/*-------------------------------------------------------------------------
		@@ -103,6 +111,12 @@ ivas_error ivas_spar_md_dec_matrix_open(
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for band_coeffs in SPAR MD" );
		}
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		if ( ( hMdDec->band_coeffs_prev = (ivas_band_coeffs_t ) malloc( IVAS_MAX_NUM_BANDS sizeof( ivas_band_coeffs_t ) ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for band_coeffs in SPAR MD" );
		}
		#endif
		if ( ( hMdDec->mixer_mat = (float **) malloc( num_channels sizeof( float ** ) ) ) == NULL )
		{
		return IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for SPAR MD matrix" );
		@@ -365,6 +379,13 @@ void ivas_spar_md_dec_matrix_close(
		free( hMdDecoder->spar_md.band_coeffs );
		hMdDecoder->spar_md.band_coeffs = NULL;
		}
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		if ( hMdDecoder->band_coeffs_prev != NULL )
		{
		free( hMdDecoder->band_coeffs_prev );
		hMdDecoder->band_coeffs_prev = NULL;
		}
		#endif

		if ( hMdDecoder->mixer_mat != NULL )
		{
		@@ -543,11 +564,17 @@ ivas_error ivas_spar_md_dec_init(
		/* initialize PLC state */
		set_s( hMdDec->valid_bands, 0, IVAS_MAX_NUM_BANDS );
		set_s( hMdDec->base_band_age, 0, IVAS_MAX_NUM_BANDS );
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		set_s( hMdDec->base_band_coeffs_age, 0, IVAS_MAX_NUM_BANDS );
		#endif
		hMdDec->spar_plc_num_lost_frames = 0;
		hMdDec->spar_plc_enable_fadeout_flag = 1;
		hMdDec->dtx_md_smoothing_cntr = 1;

		ivas_clear_band_coeffs( hMdDec->spar_md.band_coeffs, IVAS_MAX_NUM_BANDS );
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		ivas_clear_band_coeffs( hMdDec->band_coeffs_prev, IVAS_MAX_NUM_BANDS );
		#endif
		ivas_clear_band_coeff_idx( hMdDec->spar_md.band_coeffs_idx, IVAS_MAX_NUM_BANDS );
		ivas_clear_band_coeff_idx( hMdDec->spar_md_prev.band_coeffs_idx, IVAS_MAX_NUM_BANDS );
		ivas_clear_band_coeff_idx( hMdDec->spar_md_prev.band_coeffs_idx_mapped, IVAS_MAX_NUM_BANDS );
		@@ -571,6 +598,9 @@ ivas_error ivas_spar_md_dec_init(
		set_zero( hMdDec->mixer_mat_prev2[i][j], IVAS_MAX_NUM_BANDS );
		}
		}
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		hMdDec->first_valid_frame = 1;
		#endif

		return IVAS_ERR_OK;
		}
		@@ -752,7 +782,24 @@ void ivas_spar_md_dec_process(
		}

		ivas_spar_dec_parse_md_bs( hMdDec, st0, &nB, &bw, &dtx_vad, st_ivas->hDecoderConfig->ivas_total_brate,
		st_ivas->hQMetaData->sba_inactive_mode, st_ivas->last_active_ivas_total_brate );
		st_ivas->hQMetaData->sba_inactive_mode
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		,
		st_ivas->last_active_ivas_total_brate
		#endif
		);

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		assert( nB == hMdDec->spar_md.num_bands );
		assert( bw == 1 );
		ivas_spar_md_fill_invalid_bandcoeffs(
		hMdDec->spar_md.band_coeffs,
		hMdDec->band_coeffs_prev,
		&hMdDec->valid_bands[0],
		&hMdDec->base_band_coeffs_age[0],
		&hMdDec->first_valid_frame,
		nB );
		#endif

		ivas_dec_mono_sba_handling( st_ivas );

		@@ -764,10 +811,12 @@ void ivas_spar_md_dec_process(

		/* set correct number of bands*/
		nB = IVAS_MAX_NUM_BANDS;
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		if ( bw == IVAS_RED_BAND_FACT )
		{
		nB = nB >> 1;
		}
		#endif
		#ifdef DEBUG_LBR_SBA
		/* Dumping SPAR Coefficients */
		char f_name[100];
		@@ -840,6 +889,7 @@ void ivas_spar_md_dec_process(
		fprintf( fid, "%.6f\n", hMdDec->mixer_mat[1][0][band] );
		}
		#endif
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		if ( bw == IVAS_RED_BAND_FACT )
		{
		nB = nB << 1;
		@@ -849,9 +899,10 @@ void ivas_spar_md_dec_process(
		{
		hMdDec->valid_bands[b] = 1;
		}

		#endif
		ivas_spar_md_fill_invalid_bands( &hMdDec->spar_coeffs, &hMdDec->spar_coeffs_prev, &hMdDec->valid_bands[0], &hMdDec->base_band_age[0], num_bands_out, num_md_chs, num_md_sub_frames );


		hMdDec->dtx_md_smoothing_cntr = 1;

		return;
		@@ -1461,6 +1512,49 @@ void ivas_spar_dec_gen_umx_mat(
		return;
		}

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		static void ivas_spar_md_band_upmix(
		ivas_band_coeffs_t *band_coeffs,
		int16_t *nB,
		int16_t *bands_bw,
		int16_t *valid_bands,
		int16_t bw_final,
		int16_t ndec,
		int16_t ndm )
		{
		int16_t i, ii, jj, b, idx, bw_fact;

		bw_fact = *bands_bw / bw_final;
		for ( i = *nB - 1; i >= 0; i-- )
		{

		for ( b = bw_fact - 1; b >= 0; b-- )
		{
		idx = i * bw_fact + b;
		for ( ii = 0; ii < ndec + ndm - 1; ii++ )
		{
		band_coeffs[idx].pred_re[ii] = band_coeffs[i].pred_re[ii];
		}
		for ( ii = 0; ii < ndec; ii++ )
		{
		for ( jj = 0; jj < ndm - 1; jj++ )
		{
		band_coeffs[idx].C_re[ii][jj] = band_coeffs[i].C_re[ii][jj];
		}
		}
		for ( jj = 0; jj < ndec; jj++ )
		{
		band_coeffs[idx].P_re[jj] = band_coeffs[i].P_re[jj];
		}
		valid_bands[idx] = valid_bands[i];
		}
		}
		nB = ( nB ) * ( *bands_bw ) / bw_final;
		*bands_bw = bw_final;

		return;
		}
		#endif

		/-----------------------------------------------------------------------------------------
		* Function ivas_spar_dec_parse_md_bs()
		@@ -1475,19 +1569,29 @@ static void ivas_spar_dec_parse_md_bs(
		int16_t *bands_bw,
		int16_t *dtx_vad,
		const int32_t ivas_total_brate,
		const int16_t sba_inactive_mode,
		const int32_t last_active_brate )
		const int16_t sba_inactive_mode
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		,
		const int32_t last_active_brate
		#endif
		)
		{
		int16_t i, j, k, num_bands;
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		int16_t ii, jj, ndec, ndm, b, idx;
		#else
		int16_t ii, jj, ndec, ndm;
		#endif
		uint16_t qsi;
		ivas_quant_strat_t qs;
		int16_t strat, no_ec;
		int16_t do_diff[IVAS_MAX_NUM_BANDS];
		float quant[IVAS_SPAR_MAX_C_COEFF];
		int16_t do_repeat[IVAS_MAX_NUM_BANDS];
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		int16_t bw_final, bw_fact;
		int32_t active_brate;
		#endif
		*dtx_vad = 1;
		*bands_bw = 1;
		qsi = 0;
		@@ -1559,6 +1663,22 @@ static void ivas_spar_dec_parse_md_bs(

		ivas_parse_parameter_bitstream_dtx( &hMdDec->spar_md, st0, bands_bw, nB, hMdDec->spar_md_cfg.num_dmx_chans_per_band, hMdDec->spar_md_cfg.num_decorr_per_band );

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		if ( *bands_bw != 1 )
		{
		ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0];
		ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0];
		ivas_spar_md_band_upmix(
		hMdDec->spar_md.band_coeffs,
		nB,
		bands_bw,
		hMdDec->valid_bands,
		1,
		ndec,
		ndm );
		}

		#else
		active_brate = ( ivas_total_brate > IVAS_SID_5k2 ) ? ivas_total_brate : last_active_brate;

		if ( active_brate >= IVAS_24k4 )
		@@ -1593,7 +1713,7 @@ static void ivas_spar_dec_parse_md_bs(

		*bands_bw = bw_final;
		*nB = num_bands / bw_final;

		#endif
		return;
		}

		@@ -1645,8 +1765,14 @@ static void ivas_spar_dec_parse_md_bs(
		do_diff[i] = ( ( ( i + 1 ) & 3 ) != strat - 4 );
		do_repeat[i] = 0;
		}

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		if ( hMdDec->spar_md_cfg.prev_quant_idx >= 0 )
		{
		#endif
		ivas_map_prior_coeffs_quant( &hMdDec->spar_md_prev, &hMdDec->spar_md_cfg, qsi, *nB );
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		}
		#endif
		}
		#ifdef SPAR_HOA_DBG
		fprintf( stdout, "\n\n no_ec = %d, strat = %d\n", no_ec, strat );
		@@ -1706,13 +1832,34 @@ static void ivas_spar_dec_parse_md_bs(
		{
		hMdDec->spar_md_prev.band_coeffs_idx[i].decd_index_re[j] = hMdDec->spar_md.band_coeffs_idx[i].decd_index_re[j];
		}
		#ifndef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		hMdDec->valid_bands[bands_bw i] \|= ( do_diff[i] == 0 && do_repeat[i] == 0 ) ? 1 : 0;
		for ( j = 1; j < *bands_bw; j++ )
		{
		hMdDec->valid_bands[bands_bw i + j] = hMdDec->valid_bands[bands_bw i];
		}
		#else
		hMdDec->valid_bands[i] \|= ( do_diff[i] == 0 && do_repeat[i] == 0 ) ? 1 : 0;
		#endif
		}

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		ndec = hMdDec->spar_md_cfg.num_decorr_per_band[0];
		ndm = hMdDec->spar_md_cfg.num_dmx_chans_per_band[0];
		if ( *bands_bw != 1 )
		{
		ivas_spar_md_band_upmix(
		hMdDec->spar_md.band_coeffs,
		nB,
		bands_bw,
		hMdDec->valid_bands,
		1,
		ndec,
		ndm );
		}

		#endif

		return;
		}

		@@ -1984,6 +2131,76 @@ static void ivas_decode_huffman_bs(
		return;
		}

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		static void ivas_spar_plc_get_band_age(
		const int16_t *valid_bands,
		int16_t *base_band_age,
		const int16_t num_bands,
		int16_t last_valid_band_idx[IVAS_MAX_NUM_BANDS],
		int16_t valid_band_idx[IVAS_MAX_NUM_BANDS],
		int16_t *all_valid,
		int16_t *b_idx )
		{
		int16_t b, idx;

		set_s( valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
		set_s( last_valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
		idx = -1;
		*all_valid = 1;
		for ( b = 0; b < num_bands; b++ )
		{
		if ( valid_bands[b] != 0 )
		{
		base_band_age[b] = 0; /* reset band age */
		idx++;
		valid_band_idx[idx] = b;
		}
		else
		{
		base_band_age[b] += 1; /* increment the age of invalid bands */

		if ( base_band_age[b] > 3 )
		{
		last_valid_band_idx[b] = idx;
		}
		*all_valid = 0;
		}
		}
		*b_idx = idx;

		return;
		}

		static void ivas_spar_get_plc_interp_weights(
		int16_t valid_band_idx[IVAS_MAX_NUM_BANDS],
		int16_t last_valid_band_idx,
		int16_t idx,
		int16_t b,
		float *w,
		int16_t *id0,
		int16_t *id1 )
		{
		if ( last_valid_band_idx < 0 ) /* Extrapolation */
		{
		*id1 = valid_band_idx[0];
		*id0 = 0;
		*w = 1;
		}
		else if ( last_valid_band_idx == idx ) /* Extrapolation */
		{
		*id1 = valid_band_idx[last_valid_band_idx];
		*id0 = valid_band_idx[last_valid_band_idx];
		*w = 0;
		}
		else /* Interpolation */
		{
		*id0 = valid_band_idx[last_valid_band_idx];
		*id1 = valid_band_idx[last_valid_band_idx + 1];
		w = ( (float) ( b - id0 ) ) / ( id1 - id0 );
		}
		return;
		}
		#endif

		/-----------------------------------------------------------------------------------------
		* Function ivas_spar_md_fill_invalid_bands()
		@@ -1991,7 +2208,6 @@ static void ivas_decode_huffman_bs(
		* Fill invalid bands in interpolation/extrapolation of valid bands
		* when PLC is to be done with partial time differential coding
		-----------------------------------------------------------------------------------------/

		static void ivas_spar_md_fill_invalid_bands(
		ivas_spar_dec_matrices_t *pSpar_coeffs,
		ivas_spar_dec_matrices_t *pSpar_coeffs_prev,
		@@ -2005,6 +2221,10 @@ static void ivas_spar_md_fill_invalid_bands(
		int16_t valid_band_idx[IVAS_MAX_NUM_BANDS], idx = -1;
		int16_t last_valid_band_idx[IVAS_MAX_NUM_BANDS];
		float w = 0;
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		ivas_spar_plc_get_band_age( valid_bands, base_band_age, num_bands,
		last_valid_band_idx, valid_band_idx, &all_valid, &idx );
		#else
		set_s( valid_band_idx, 0, IVAS_MAX_NUM_BANDS );
		set_s( last_valid_band_idx, 0, IVAS_MAX_NUM_BANDS );

		@@ -2028,7 +2248,7 @@ static void ivas_spar_md_fill_invalid_bands(
		all_valid = 0;
		}
		}

		#endif
		assert( idx > 0 ); /* some bands should be valid */

		if ( all_valid == 0 )
		@@ -2038,6 +2258,11 @@ static void ivas_spar_md_fill_invalid_bands(
		/* check against non zero in if and else if */
		if ( base_band_age[b] > 3 ) /* old invalid bands */
		{
		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		int16_t id0, id1;
		ivas_spar_get_plc_interp_weights( valid_band_idx, last_valid_band_idx[b],
		idx, b, &w, &id0, &id1 );
		#else
		int16_t tmp_id, id0, id1;

		tmp_id = last_valid_band_idx[b];
		@@ -2059,7 +2284,7 @@ static void ivas_spar_md_fill_invalid_bands(
		id1 = valid_band_idx[tmp_id + 1];
		w = ( (float) ( b - id0 ) ) / ( id1 - id0 );
		}

		#endif
		for ( i = 0; i < num_channels; i++ )
		{
		for ( j = 0; j < num_channels; j++ )
		@@ -2105,6 +2330,88 @@ static void ivas_spar_md_fill_invalid_bands(
		return;
		}

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		static void ivas_spar_md_fill_invalid_bandcoeffs(
		ivas_band_coeffs_t *pBand_coeffs,
		ivas_band_coeffs_t *pBand_coeffs_prev,
		const int16_t *valid_bands,
		int16_t *base_band_age,
		int16_t *first_valid_frame,
		const int16_t num_bands )
		{
		int16_t j, k, b, all_valid;
		int16_t valid_band_idx[IVAS_MAX_NUM_BANDS], idx = -1;
		int16_t last_valid_band_idx[IVAS_MAX_NUM_BANDS];
		float w = 0;

		ivas_spar_plc_get_band_age( valid_bands, base_band_age, num_bands,
		last_valid_band_idx, valid_band_idx, &all_valid, &idx );

		assert( idx > 0 ); /* some bands should be valid */

		if ( all_valid == 0 )
		{
		for ( b = 0; b < num_bands; b++ )
		{
		/* check against non zero in if and else if */
		if ( ( base_band_age[b] > 3 ) \|\| ( first_valid_frame == 0 ) ) / old invalid bands */
		{
		int16_t id0, id1;
		ivas_spar_get_plc_interp_weights( valid_band_idx, last_valid_band_idx[b],
		idx, b, &w, &id0, &id1 );

		for ( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
		{
		pBand_coeffs[b].pred_re[j] = ( 1 - w ) * pBand_coeffs[id0].pred_re[j] + w * pBand_coeffs[id1].pred_re[j];
		}

		for ( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
		{
		for ( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
		{
		pBand_coeffs[b].C_re[j][k] = ( 1 - w ) * pBand_coeffs[id0].C_re[j][k] + w * pBand_coeffs[id1].C_re[j][k];
		}
		}

		for ( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
		{
		pBand_coeffs[b].P_re[j] = ( 1 - w ) * pBand_coeffs[id0].P_re[j] + w * pBand_coeffs[id1].P_re[j];
		}
		}
		else /* young invalid bands */
		{
		if ( valid_bands[b] == 0 )
		{
		for ( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
		{
		pBand_coeffs[b].pred_re[j] = pBand_coeffs_prev[b].pred_re[j];
		}

		for ( j = 0; j < IVAS_SPAR_MAX_CH - IVAS_SPAR_MAX_DMX_CHS; j++ )
		{
		for ( k = 0; k < IVAS_SPAR_MAX_DMX_CHS - 1; k++ )
		{
		pBand_coeffs[b].C_re[j][k] = pBand_coeffs_prev[b].C_re[j][k];
		}
		}

		for ( j = 0; j < IVAS_SPAR_MAX_CH - 1; j++ )
		{
		pBand_coeffs[b].P_re[j] = pBand_coeffs_prev[b].P_re[j];
		}
		}
		}
		}
		}
		else
		{
		*first_valid_frame = 1;
		}

		return;
		}
		#endif


		/-----------------------------------------------------------------------------------------
		* Function ivas_spar_dec_compute_ramp_down_post_matrix()

lib_dec/ivas_stat_dec.h

+5 −1

Original line number	Diff line number	Diff line
		@@ -603,7 +603,11 @@ typedef struct ivas_spar_md_dec_state_t
		float smooth_buf[IVAS_MAX_NUM_BANDS][2 * SBA_DIRAC_NRG_SMOOTH_LONG + 1];
		float smooth_fac[IVAS_MAX_NUM_BANDS];
		float mixer_mat_prev2[IVAS_SPAR_MAX_CH][IVAS_SPAR_MAX_CH][IVAS_MAX_NUM_BANDS];

		#ifdef NONBE_FIX_862_UBSAN_SPAR_DEC_BR_SW_PLC
		int16_t first_valid_frame;
		ivas_band_coeffs_t *band_coeffs_prev;
		int16_t base_band_coeffs_age[IVAS_MAX_NUM_BANDS];
		#endif
		} ivas_spar_md_dec_state_t;