Merge branch 'main' into 575-48-kbit-s-mdct-stereo-concealment-artifact-for-transition-to-tcx5 (2a53e4b3) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_prot.h

+20 −0

Original line number	Diff line number	Diff line
		@@ -5447,6 +5447,26 @@ void ivas_lfe_synth_with_filters(
		const int16_t lfeChannelIndex /* i : LFE channel index */
		);

		#ifdef FIX_572_LFE_LPF_ENC
		/----------------------------------------------------------------------------------
		* LFE encoder low pass filter prototypes
		----------------------------------------------------------------------------------/

		ivas_error ivas_create_lfe_lpf_enc(
		ivas_filters_process_state_t *ph_lfe_lpf_filter_state, / o : IVAS LFE encoder structure */
		const int32_t input_Fs /* i : input sampling rate */
		);

		void ivas_lfe_lpf_enc_close(
		ivas_filters_process_state_t *ph_lfe_lpf_filter_state / i/o: LFE encoder handle */
		);

		void ivas_lfe_lpf_enc_apply(
		ivas_filters_process_state_t h_lfe_lpf_filter_state, / i/o: LFE encoder handle */
		float data_lfe_ch[], /* i : input LFE signal */
		const int16_t input_frame /* i : input frame length per channel */
		);
		#endif

		/----------------------------------------------------------------------------------
		* LFE Coding prototypes

lib_com/options.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -152,8 +152,11 @@
		#define FIX_565_SBA_BURST_IN_FEC /* VA: Issue 565: Fix noise burst during FEC, due to wrong total_brate initialization */
		#define FIX_562_ISM2_64KBPS /* VA: issue 562: fix ISM2 at 64kbps issue */
		#define FIX_559_EXTL_IGF_MISMATCH /* VA: issue 559: fix mismatch between st->extl and st->igf observed as crash in PlanarSBA bitrate switching */
		#define FIX_572_LFE_LPF_ENC /* FhG: issue 572: always apply the low pass filter to the LFE channel */

		#define FIX_QMETA_SID_5k2 /* Nokia: Issue 137: enable using full 5.2k bitrate in MASA SID */
		#define FIX_578_PARAMMC_ILD_BS /* FhG: Issue 578: transmitt also center ILD in band 0 when LFE is active in 3TC ParamMC */
		#define FIX_UNCLR_ISSUE /* VoiceAge: issue 574: Fix UNCLR mis-classifications in noisy speech stereo */
		#define FIX_575_LOW_OVERLAP_PLC_RECOVERY /* FhG: Issue 575 fix for PLC and transistion to TCX5*/

lib_dec/ivas_dirac_dec.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -422,11 +422,7 @@ ivas_error ivas_dirac_dec_config(
		}


		if ( nchan_transport_orig > 2 && hDirAC->hOutSetup.is_loudspeaker_setup && st_ivas->renderer_type == RENDERER_DIRAC
		#ifdef FIX_DIRAC_LS_SYNTHESIS_CONFIG
		&& !hodirac_flag
		#endif
		)
		if ( nchan_transport_orig > 2 && hDirAC->hOutSetup.is_loudspeaker_setup && st_ivas->renderer_type == RENDERER_DIRAC && !hodirac_flag )
		{
		hDirAC->synthesisConf = DIRAC_SYNTHESIS_PSD_LS;
		hDirAC->panningConf = DIRAC_PANNING_VBAP;

lib_dec/ivas_jbm_dec.c

+8 −16

Original line number	Diff line number	Diff line
		@@ -75,7 +75,7 @@ ivas_error ivas_jbm_dec_tc(
		int16_t n, output_frame, nchan_out;
		Decoder_State st; / used for bitstream handling */
		float output[MAX_TRANSPORT_CHANNELS][L_FRAME48k]; /* 'float' buffer for transport channels, MAX_TRANSPORT_CHANNELS channels */
		int16_t nchan_remapped, hodirac_flag;
		int16_t nchan_remapped;
		float output_lfe_ch[L_FRAME48k];
		int16_t nb_bits_metadata[MAX_SCE];
		int32_t output_Fs, ivas_total_brate;
		@@ -95,7 +95,6 @@ ivas_error ivas_jbm_dec_tc(
		nchan_out = st_ivas->hTcBuffer->nchan_transport_jbm;
		output_config = st_ivas->hDecoderConfig->output_config;
		ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
		hodirac_flag = ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order );

		output_frame = (int16_t) ( output_Fs / FRAMES_PER_SEC );

		@@ -188,16 +187,10 @@ ivas_error ivas_jbm_dec_tc(
		set_s( nb_bits_metadata, 0, MAX_SCE );

		/* read parameters from the bitstream */
		if ( st_ivas->hQMetaData != NULL && st_ivas->ivas_format != SBA_FORMAT )
		if ( st_ivas->ivas_format == MASA_FORMAT && st_ivas->hQMetaData != NULL )
		{
		st = ( st_ivas->nSCE > 0 ) ? st_ivas->hSCE[0]->hCoreCoder[0] : st_ivas->hCPE[0]->hCoreCoder[0];

		if ( st_ivas->ivas_format == SBA_FORMAT )
		{
		ivas_dirac_dec_read_BS( ivas_total_brate, st, st_ivas->hDirAC, st_ivas->hQMetaData, &nb_bits_metadata[0], hodirac_flag, 0 );
		}
		else
		{
		if ( ( error = ivas_masa_decode( st_ivas, st, &nb_bits_metadata[0] ) ) != IVAS_ERR_OK )
		{
		return error;
		@@ -209,7 +202,6 @@ ivas_error ivas_jbm_dec_tc(
		}
		#endif
		}
		}
		else if ( st_ivas->ivas_format == SBA_FORMAT )
		{

lib_dec/ivas_mc_param_dec.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -3055,11 +3055,19 @@ static void ivas_param_mc_bs_decode_parameter_values(
		int16_t i, j, k;
		float dequant_seq[PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE];
		float dequant_ordered[PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE];
		#ifdef FIX_578_PARAMMC_ILD_BS
		int16_t n_lfe_idx;
		#endif

		range_coding = bit_buffer[( *bit_pos )++];

		/* Decoding the sequence */
		#ifdef FIX_578_PARAMMC_ILD_BS
		n_lfe_idx = map_size - map_size_wo_lfe;
		sz_seq = num_param_bands * ( map_size_wo_lfe ) + num_lfe_bands * n_lfe_idx;
		#else
		sz_seq = num_param_bands * ( map_size_wo_lfe ) + num_lfe_bands;
		#endif

		set_s( idx, 0, PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE );
		set_zero( dequant_ordered, PARAM_MC_MAX_PARAMETER_BANDS * PARAM_MC_MAX_VAL_MAP_SIZE );
		@@ -3120,7 +3128,14 @@ static void ivas_param_mc_bs_decode_parameter_values(

		for ( i = 0; i < num_lfe_bands; i++ )
		{
		#ifdef FIX_578_PARAMMC_ILD_BS
		for ( j = 0; j < n_lfe_idx; j++ )
		{
		dequant_ordered[map_size - n_lfe_idx + j + i * map_size] = dequant_seq[k++];
		}
		#else
		dequant_ordered[map_size - 1 + i * map_size] = dequant_seq[k++];
		#endif
		}

		if ( !( *BER_detect ) )