accept HARMONIZE_SBA_NCHAN_TRANSPORT (227c76f9) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/bitstream.c

+0 −4

Original line number	Diff line number	Diff line
		@@ -1974,11 +1974,7 @@ ivas_error preview_indices(

		st_ivas->sba_analysis_order = ivas_sba_get_analysis_order( total_brate, st_ivas->sba_order );

		#ifdef HARMONIZE_SBA_NCHAN_TRANSPORT
		ivas_sba_config( total_brate, st_ivas->sba_analysis_order, -1, &( st_ivas->nchan_transport ), st_ivas->sba_planar, &( st_ivas->nSCE ), &( st_ivas->nCPE ), &( st_ivas->element_mode_init ) );
		#else
		ivas_sba_config( total_brate, st_ivas->sba_analysis_order, -1, &( st_ivas->nchan_transport ), st_ivas->sba_planar, &( st_ivas->nSCE ), &( st_ivas->nCPE ), &( st_ivas->element_mode_init ), st_ivas->sba_mode );
		#endif
		}
		}

lib_com/ivas_cnst.h

+0 −9

Original line number	Diff line number	Diff line
		@@ -855,15 +855,6 @@ typedef enum

		#define DIRAC_MAX_ANA_CHANS FOA_CHANNELS /* Maximum number of channels for DirAC analysis */

		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		#define DIRAC_MAX_TRANS_CHANS 8 /* Maximum number of transport channels for DirAC */
		#endif

		#define DIRAC_MIN_BITRATE_8_TRANS_CHAN IVAS_384k
		#define DIRAC_MIN_BITRATE_6_TRANS_CHAN IVAS_256k
		#define DIRAC_MIN_BITRATE_4_TRANS_CHAN IVAS_160k /* minimum bitrate for sending 4 transport channels (FOA) */
		#define DIRAC_MIN_BITRATE_2_TRANS_CHAN IVAS_48k /* minimum bitrate for sending 2 transport channels (Stereo) */

		#define DIRAC_NUM_DIMS 3 /* number of directions to estimate (X,Y,Z) */
		#define DIRAC_MAX_NBANDS 12 /* Maximum number of frequency bands for the DirAC Side Parameter decoding */
		#define DIRAC_LOW_BANDRES_STEP 2 /* always combine two bands for low band resolution in the DirAC parameter coding */

lib_com/ivas_dirac_com.c

+3 −98

Original line number	Diff line number	Diff line
		@@ -60,11 +60,7 @@ ivas_error ivas_dirac_config(
		)
		{
		IVAS_FORMAT ivas_format;
		#ifdef HARMONIZE_SBA_NCHAN_TRANSPORT
		int16_t sba_order;
		#else
		int16_t sba_order, sba_planar;
		#endif
		int16_t nSCE, nCPE, element_mode, nchan_transport;
		int32_t ivas_total_brate;
		DIRAC_CONFIG_DATA_HANDLE hConfig;
		@@ -87,9 +83,6 @@ ivas_error ivas_dirac_config(
		element_mode = &( (Encoder_Struct *) st_ivas )->hEncoderConfig->element_mode_init;
		nchan_transport = &( (Encoder_Struct *) st_ivas )->nchan_transport;
		sba_order = ( (Encoder_Struct *) st_ivas )->sba_analysis_order;
		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		sba_planar = ( (Encoder_Struct *) st_ivas )->hEncoderConfig->sba_planar;
		#endif
		ivas_total_brate = ( (Encoder_Struct *) st_ivas )->hEncoderConfig->ivas_total_brate;
		Fs = ( (Encoder_Struct *) st_ivas )->hEncoderConfig->input_Fs;
		band_grouping = ( (Encoder_Struct *) st_ivas )->hDirAC->band_grouping;
		@@ -114,9 +107,6 @@ ivas_error ivas_dirac_config(
		element_mode = &( (Decoder_Struct *) st_ivas )->element_mode_init;
		nchan_transport = &( (Decoder_Struct *) st_ivas )->nchan_transport;
		sba_order = ( (Decoder_Struct *) st_ivas )->sba_analysis_order;
		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		sba_planar = ( (Decoder_Struct *) st_ivas )->sba_planar;
		#endif
		ivas_total_brate = ( (Decoder_Struct *) st_ivas )->hDecoderConfig->ivas_total_brate;
		Fs = ( (Decoder_Struct *) st_ivas )->hDecoderConfig->output_Fs;
		band_grouping = ( (Decoder_Struct *) st_ivas )->hDirAC->band_grouping;
		@@ -150,12 +140,7 @@ ivas_error ivas_dirac_config(

		if ( ivas_format == SBA_FORMAT ) /* skip for MASA decoder */
		{
		#ifdef HARMONIZE_SBA_NCHAN_TRANSPORT
		if ( ( error = ivas_dirac_sba_config( hQMetaData, nchan_transport, nSCE, nCPE, element_mode, ivas_total_brate, sba_order, sba_mode, hConfig->nbands - spar_dirac_split_band ) ) != IVAS_ERR_OK )
		#else
		if ( ( error = ivas_dirac_sba_config( hQMetaData, nchan_transport, nSCE, nCPE, element_mode, ivas_total_brate, sba_order, sba_planar,
		sba_mode, hConfig->nbands - spar_dirac_split_band ) ) != IVAS_ERR_OK )
		#endif
		{
		return error;
		}
		@@ -319,9 +304,6 @@ ivas_error ivas_dirac_sba_config(
		int16_t element_mode, / i/o: element mode of the core coder */
		int32_t sba_total_brate, /* i : SBA total bitrate */
		const int16_t sba_order, /* i : Ambisonic (SBA) order */
		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		const int16_t sba_planar, /* i : SBA planar flag */
		#endif
		const SBA_MODE sba_mode, /* i : SBA mode */
		const int16_t nbands /* i : number of frequency bands */
		)
		@@ -436,11 +418,7 @@ ivas_error ivas_dirac_sba_config(

		if ( sba_total_brate > IVAS_SID_5k2 )
		{
		#ifdef HARMONIZE_SBA_NCHAN_TRANSPORT
		*nchan_transport = ivas_get_sba_num_TCs( sba_total_brate, sba_order );
		#else
		*nchan_transport = ivas_dirac_getNumTransportChannels( sba_total_brate, sba_order, sba_planar );
		#endif
		}
		else if ( sba_total_brate == IVAS_SID_5k2 )
		{
		@@ -581,79 +559,6 @@ ivas_error ivas_dirac_sba_config(
		return error;
		}

		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		/*-------------------------------------------------------------------------
		* ivas_dirac_getNumTransportChannels()
		*
		*
		------------------------------------------------------------------------/

		/! r: number of IVAS transport channels /
		int16_t ivas_dirac_getNumTransportChannels(
		const int32_t sba_total_brate, /* i : SBA total bitrate */
		const int16_t sba_order, /* i : SBA order */
		const int16_t sba_planar /* i : SBA planar flag */
		)
		{
		int16_t num_channels;

		num_channels = 0;

		if ( sba_total_brate >= DIRAC_MIN_BITRATE_8_TRANS_CHAN )
		{
		switch ( sba_order )
		{
		case 3:
		num_channels = sba_planar ? 7 : 8;
		break;
		case 2:
		num_channels = sba_planar ? 5 : 6;
		break;
		case 1:
		num_channels = sba_planar ? 3 : 4;
		break;
		default:
		assert( 0 && "Order not supported!" );
		}
		}
		else if ( sba_total_brate >= DIRAC_MIN_BITRATE_6_TRANS_CHAN )
		{
		switch ( sba_order )
		{
		case 3:
		case 2:
		num_channels = sba_planar ? 5 : 6;
		break;
		case 1:
		num_channels = sba_planar ? 3 : 4;
		break;
		default:
		assert( 0 && "Order not supported!" );
		}
		}
		else if ( sba_total_brate >= DIRAC_MIN_BITRATE_4_TRANS_CHAN )
		{
		if ( sba_planar )
		{
		num_channels = 3;
		}
		else
		{
		num_channels = 4;
		}
		}
		else if ( sba_total_brate >= DIRAC_MIN_BITRATE_2_TRANS_CHAN )
		{
		num_channels = 2;
		}
		else
		{
		num_channels = 1;
		}

		return num_channels;
		}
		#endif

		/*-------------------------------------------------------------------------
		* computeDirectionVectors()

lib_com/ivas_prot.h

+0 −18

Original line number	Diff line number	Diff line
		@@ -3025,9 +3025,6 @@ void ivas_sba_config(
		int16_t nSCE, / o : number of SCEs */
		int16_t nCPE, / o : number of CPEs */
		int16_t element_mode / o : element mode of the core coder */
		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		,const SBA_MODE sba_mode /* i : SBA mode */
		#endif
		);

		ivas_error ivas_sba_dec_reconfigure(
		@@ -3166,21 +3163,10 @@ ivas_error ivas_dirac_sba_config(
		int16_t element_mode, / o : element mode of the core coder */
		int32_t sba_total_brate, /* i : SBA total bitrate */
		const int16_t sba_order, /* i : Ambisonic (SBA) order */
		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		const int16_t sba_planar, /* i : SBA planar flag */
		#endif
		const SBA_MODE sba_mode, /* i : SBA mode */
		const int16_t nbands /* i : number of frequency bands */
		);

		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		/! r: number of IVAS transport channels /
		int16_t ivas_dirac_getNumTransportChannels(
		const int32_t sba_total_brate, /* i : SBA total bitrate */
		const int16_t sba_order, /* i : SBA order */
		const int16_t sba_planar /* i : SBA Planar flag */
		);
		#endif
		ivas_error ivas_dirac_dec_open(
		Decoder_Struct st_ivas / i/o: IVAS decoder structure */
		);
		@@ -3834,12 +3820,8 @@ int16_t ivas_get_spar_table_idx(
		int16_t ind / o : indice */
		);

		#ifdef HARMONIZE_SBA_NCHAN_TRANSPORT
		/! r: number of transport channels /
		int16_t ivas_get_sba_num_TCs(
		#else
		int16_t ivas_get_spar_num_TCs(
		#endif
		const int32_t ivas_total_brate, /* i : IVAS total bitrate */
		const int16_t sba_order /* i : IVAS SBA order */
		);

lib_com/ivas_sba_config.c

+0 −15

Original line number	Diff line number	Diff line
		@@ -88,10 +88,6 @@ void ivas_sba_config(
		int16_t nSCE, / o : number of SCEs */
		int16_t nCPE, / o : number of CPEs */
		int16_t element_mode / o : element mode of the core coder */
		#ifndef HARMONIZE_SBA_NCHAN_TRANSPORT
		,
		const SBA_MODE sba_mode /* i : SBA mode */
		#endif
		)
		{
		if ( ( sba_order < 0 ) && ( nb_channels < 0 ) )
		@@ -120,18 +116,7 @@ void ivas_sba_config(

		if ( nchan_transport != NULL )
		{
		#ifdef HARMONIZE_SBA_NCHAN_TRANSPORT
		*nchan_transport = ivas_get_sba_num_TCs( sba_total_brate, sba_order );
		#else
		if ( sba_mode == SBA_MODE_SPAR )
		{
		*nchan_transport = ivas_get_spar_num_TCs( sba_total_brate, sba_order );
		}
		else
		{
		*nchan_transport = ivas_dirac_getNumTransportChannels( sba_total_brate, sba_order, sba_planar );
		}
		#endif
		}

		/* Configure core coder number of elements*/