fix (e4eea225) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_prot.h

+0 −10

Original line number	Diff line number	Diff line
		@@ -4948,20 +4948,10 @@ void ivas_masa_estimate_energy(
		const int16_t nchan_transport /* i : number of MASA input/transport channels */
		);

		#ifdef MEM_ALLOC_APP
		ivas_error ivas_masa_enc_config_memory(
		#else
		ivas_error ivas_masa_enc_config(
		#endif
		Encoder_Struct* st_ivas /* i/o: IVAS encoder structure */
		);

		#ifdef MEM_ALLOC_APP
		void ivas_masa_enc_init(
		Encoder_Struct* st_ivas /* i/o: IVAS encoder structure */
		);
		#endif

		void ivas_masa_set_elements(
		const int32_t ivas_total_brate, /* i : codec total bitrate */
		const int16_t mc_mode, /* i : MC format mode */

lib_enc/ivas_enc.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -228,14 +228,10 @@ ivas_error ivas_enc(
		{
		ivas_masa_estimate_energy( st_ivas->hMasa, data_f, input_frame, st_ivas->nchan_transport ); /* energy-estimation uses TF-resolution: 4x24 */

		#ifdef MEM_ALLOC_APP
		ivas_masa_enc_init( st_ivas );
		#else
		if ( ( error = ivas_masa_enc_config( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif

		if ( ( error = ivas_masa_encode( st_ivas->hMasa, st_ivas->hQMetaData, hMetaData, &nb_bits_metadata[0], st_ivas->nchan_transport, ivas_format, ivas_total_brate, hEncoderConfig->Opt_DTX_ON, st_ivas->nchan_transport == 2 ? st_ivas->hCPE[0]->element_mode : -1,
		ISM_MODE_NONE, -1, NULL, -1, NULL, 0, 0 ) ) != IVAS_ERR_OK )
		@@ -297,14 +293,10 @@ ivas_error ivas_enc(
		/* Estimate TF-tile energy for the input MASA stream */
		ivas_masa_estimate_energy( st_ivas->hMasa, &( data_f[hEncoderConfig->nchan_ism] ), input_frame, st_ivas->nchan_transport );

		#ifdef MEM_ALLOC_APP
		ivas_masa_enc_init( st_ivas );
		#else
		if ( ( error = ivas_omasa_enc_config( st_ivas ) ) != IVAS_ERR_OK )
		{
		return error;
		}
		#endif

		set_s( nb_bits_metadata, 0, MAX_SCE + 1 );
		idx_separated_object = 0;

lib_enc/ivas_init_enc.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1270,8 +1270,8 @@ ivas_error ivas_reconfig_enc(
		}
		else if ( ivas_format == MASA_FORMAT )
		{
		/* reconfigure the MASA format encoder */
		error = ivas_masa_enc_config_memory( st_ivas );
		/* no reallocation is needed */
		return IVAS_ERR_OK;
		}
		else if ( ivas_format == SBA_ISM_FORMAT )
		{

lib_enc/ivas_masa_enc.c

+2 −206

Original line number	Diff line number	Diff line
		@@ -702,31 +702,17 @@ void ivas_masa_estimate_energy(
		}


		#ifdef MEM_ALLOC_APP
		/-----------------------------------------------------------------------
		* ivas_masa_enc_config_memory()
		*
		* Frame-by-frame configuration of MASA encoder memory
		-----------------------------------------------------------------------/
		#else
		/-----------------------------------------------------------------------
		* ivas_masa_enc_config()
		*
		* Frame-by-frame configuration of MASA encoder
		-----------------------------------------------------------------------/
		#endif

		#ifdef MEM_ALLOC_APP
		ivas_error ivas_masa_enc_config_memory(
		#else
		ivas_error ivas_masa_enc_config(
		#endif
		Encoder_Struct st_ivas / i/o: IVAS encoder structure */
		)
		{
		#ifndef MEM_ALLOC_APP
		int16_t i;
		#endif
		MASA_ENCODER_HANDLE hMasa;
		IVAS_QMETADATA_HANDLE hQMetaData;
		IVAS_FORMAT ivas_format;
		@@ -734,15 +720,11 @@ ivas_error ivas_masa_enc_config(
		uint8_t coherencePresent;
		uint8_t isActualTwoDir; /* Flag to tell that when there are two directions present in metadata, they both contain meaningful information. */
		int32_t ivas_total_brate;
		#ifndef MEM_ALLOC_APP
		uint8_t maxBand;
		int16_t maxBin, sf;
		#endif
		ivas_error error;
		#ifndef MEM_ALLOC_APP
		int32_t ism_total_brate;
		int32_t masa_total_brate;
		#endif

		error = IVAS_ERR_OK;
		hMasa = st_ivas->hMasa;
		@@ -750,7 +732,6 @@ ivas_error ivas_masa_enc_config(
		ivas_format = st_ivas->hEncoderConfig->ivas_format;
		ivas_total_brate = st_ivas->hEncoderConfig->ivas_total_brate;

		#ifndef MEM_ALLOC_APP
		ism_total_brate = 0;
		if ( ivas_format == MASA_ISM_FORMAT && st_ivas->nSCE > 0 && ( st_ivas->ism_mode == ISM_MASA_MODE_DISC \|\| st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ \|\| st_ivas->ism_mode == ISM_MASA_MODE_MASA_ONE_OBJ ) )
		{
		@@ -761,7 +742,7 @@ ivas_error ivas_masa_enc_config(
		}

		ivas_masa_set_elements( ivas_total_brate, st_ivas->mc_mode, st_ivas->nchan_transport, hQMetaData, &st_ivas->hEncoderConfig->element_mode_init, &st_ivas->nSCE, &st_ivas->nCPE, ivas_format, st_ivas->ism_mode, ism_total_brate );
		#endif

		hQMetaData->is_masa_ivas_format = 1;

		if ( ivas_format == MASA_FORMAT \|\| ivas_format == MASA_ISM_FORMAT )
		@@ -798,7 +779,6 @@ ivas_error ivas_masa_enc_config(
		ivas_masa_set_coding_config( &( hMasa->config ), hMasa->data.band_mapping, ivas_total_brate, st_ivas->nchan_transport, ( ivas_format == MC_FORMAT && st_ivas->mc_mode == MC_MODE_MCMASA ) );
		}

		#ifndef MEM_ALLOC_APP
		/* Setup importance weights for two-direction band selection. */
		if ( hMasa->config.numberOfDirections == 2 )
		{
		@@ -846,7 +826,6 @@ ivas_error ivas_masa_enc_config(
		{
		set_c( (int8_t *) hMasa->data.twoDirBands, 0, hMasa->config.numCodingBands );
		}
		#endif

		/* Set qmeta to correct values */
		if ( ( error = ivas_qmetadata_allocate_memory( hQMetaData, hMasa->config.numCodingBands, hMasa->config.numberOfDirections == 2 && hMasa->config.numTwoDirBands != 0 ? 2 : 1, hMasa->config.useCoherence ) ) != IVAS_ERR_OK )
		@@ -854,7 +833,6 @@ ivas_error ivas_masa_enc_config(
		return error;
		}

		#ifndef MEM_ALLOC_APP
		for ( i = 0; i < hQMetaData->no_directions; i++ )
		{
		hQMetaData->q_direction[i].cfg.nbands = hMasa->config.numCodingBands;
		@@ -945,192 +923,10 @@ ivas_error ivas_masa_enc_config(
		st_ivas->hMasa->data.hOmasaData->lp_noise_CPE = ( st_ivas->hCPE[0]->hCoreCoder[0]->lp_noise + st_ivas->hCPE[0]->hCoreCoder[1]->lp_noise ) / CPE_CHANNELS;
		}
		}
		#endif
		return error;
		}

		#ifdef MEM_ALLOC_APP

		/-----------------------------------------------------------------------
		* ivas_masa_enc_init()
		*
		* Frame-by-frame configuration of MASA encoder
		-----------------------------------------------------------------------/

		void ivas_masa_enc_init(
		Encoder_Struct st_ivas / i/o: IVAS encoder structure */
		)
		{
		int16_t i;
		MASA_ENCODER_HANDLE hMasa;
		IVAS_QMETADATA_HANDLE hQMetaData;
		IVAS_FORMAT ivas_format;
		int32_t ivas_total_brate;
		uint8_t maxBand;
		int16_t maxBin, sf;
		int32_t ism_total_brate;
		int32_t masa_total_brate;

		hMasa = st_ivas->hMasa;
		hQMetaData = st_ivas->hQMetaData;
		ivas_format = st_ivas->hEncoderConfig->ivas_format;
		ivas_total_brate = st_ivas->hEncoderConfig->ivas_total_brate;

		ism_total_brate = 0;
		if ( ivas_format == MASA_ISM_FORMAT && st_ivas->nSCE > 0 && ( st_ivas->ism_mode == ISM_MASA_MODE_DISC \|\| st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ \|\| st_ivas->ism_mode == ISM_MASA_MODE_MASA_ONE_OBJ ) )
		{
		for ( i = 0; i < st_ivas->nSCE; i++ )
		{
		ism_total_brate += st_ivas->hSCE[i]->element_brate;
		}
		}

		ivas_masa_set_elements( ivas_total_brate, st_ivas->mc_mode, st_ivas->nchan_transport, hQMetaData, &st_ivas->hEncoderConfig->element_mode_init, &st_ivas->nSCE, &st_ivas->nCPE, ivas_format, st_ivas->ism_mode, ism_total_brate );

		/* Setup importance weights for two-direction band selection. */
		if ( hMasa->config.numberOfDirections == 2 )
		{
		set_f( hMasa->data.importanceWeight, 1.0f, hMasa->config.numCodingBands );

		if ( hMasa->config.numCodingBands == 5 )
		{
		hMasa->data.importanceWeight[4] = 0.7f;
		}
		else if ( hMasa->config.numCodingBands == 8 )
		{
		hMasa->data.importanceWeight[7] = 0.7f;
		}
		else if ( hMasa->config.numCodingBands == 10 )
		{
		hMasa->data.importanceWeight[8] = 0.7f;
		hMasa->data.importanceWeight[9] = 0.1f;
		}
		else if ( hMasa->config.numCodingBands == 12 )
		{
		hMasa->data.importanceWeight[10] = 0.7f;
		hMasa->data.importanceWeight[11] = 0.1f;
		}
		else if ( hMasa->config.numCodingBands == 18 )
		{
		hMasa->data.importanceWeight[14] = 0.8f;
		hMasa->data.importanceWeight[15] = 0.5f;
		hMasa->data.importanceWeight[16] = 0.2f;
		hMasa->data.importanceWeight[17] = 0.0f;
		}
		else if ( hMasa->config.numCodingBands == 24 )
		{
		hMasa->data.importanceWeight[20] = 0.8f;
		hMasa->data.importanceWeight[21] = 0.5f;
		hMasa->data.importanceWeight[22] = 0.2f;
		hMasa->data.importanceWeight[23] = 0.0f;
		}

		if ( hMasa->config.numTwoDirBands == hMasa->config.numCodingBands )
		{
		set_c( (int8_t *) hMasa->data.twoDirBands, 1, hMasa->config.numCodingBands );
		}
		}
		else
		{
		set_c( (int8_t *) hMasa->data.twoDirBands, 0, hMasa->config.numCodingBands );
		}

		for ( i = 0; i < hQMetaData->no_directions; i++ )
		{
		hQMetaData->q_direction[i].cfg.nbands = hMasa->config.numCodingBands;
		hQMetaData->q_direction[i].cfg.nblocks = hMasa->config.joinedSubframes == TRUE ? 1 : 4;

		if ( ivas_format == MC_FORMAT )
		{
		hQMetaData->q_direction[i].cfg.mc_ls_setup = st_ivas->hEncoderConfig->mc_input_setup;
		}
		else
		{
		/* Just to be sure that this default value is maintained */
		hQMetaData->q_direction[i].cfg.mc_ls_setup = MC_LS_SETUP_INVALID;
		}
		}

		hQMetaData->all_coherence_zero = !hMasa->config.coherencePresent;

		ivas_set_qmetadata_maxbit_req( hQMetaData, ivas_format );

		/* Find maximum band usable */
		maxBin = (int16_t) ( st_ivas->hEncoderConfig->input_Fs * INV_CLDFB_BANDWIDTH );
		maxBand = 0;
		while ( maxBand <= MASA_FREQUENCY_BANDS && MASA_band_grouping_24[maxBand] <= maxBin )
		{
		maxBand++;
		}
		maxBand--;

		hQMetaData->q_direction->cfg.inactiveBands = 0;
		masa_total_brate = ivas_total_brate;
		if ( ivas_format == MASA_ISM_FORMAT && st_ivas->ism_mode == ISM_MASA_MODE_DISC )
		{
		masa_total_brate = calculate_cpe_brate_MASA_ISM( st_ivas->ism_mode, ivas_total_brate, st_ivas->hEncoderConfig->nchan_ism );
		}

		if ( masa_total_brate >= IVAS_384k && ( ivas_format == MASA_FORMAT \|\| ivas_format == MASA_ISM_FORMAT ) )
		{
		int16_t continueLoop;
		continueLoop = 1;
		while ( maxBand > 5 && continueLoop )
		{
		for ( sf = 0; sf < MAX_PARAM_SPATIAL_SUBFRAMES; sf++ )
		{
		if ( hMasa->data.energy[sf][maxBand - 1] > 100000 )
		{
		continueLoop = 0;
		break;
		}
		}
		if ( continueLoop )
		{
		maxBand--;
		}
		}

		if ( maxBand < MASA_MAXIMUM_CODING_SUBBANDS )
		{
		hQMetaData->q_direction->cfg.inactiveBands = MASA_MAXIMUM_CODING_SUBBANDS - maxBand;
		}
		else
		{
		hQMetaData->q_direction->cfg.inactiveBands = 0;
		}
		}

		masa_sample_rate_band_correction( &( hMasa->config ), hMasa->data.band_mapping, hQMetaData, maxBand, masa_total_brate >= IVAS_384k, NULL );

		if ( hMasa->config.numTwoDirBands >= hMasa->config.numCodingBands )
		{
		hMasa->config.numTwoDirBands = hMasa->config.numCodingBands;
		set_c( (int8_t *) hMasa->data.twoDirBands, 1, hMasa->config.numCodingBands );
		}

		/* Transmit stereo signals using a mono downmix at lowest bitrates */
		if ( ( ivas_format == MASA_FORMAT \|\| ivas_format == MASA_ISM_FORMAT ) && st_ivas->nCPE == 1 && st_ivas->hCPE[0]->hStereoDft != NULL && st_ivas->hCPE[0]->hStereoDft->hConfig != NULL )
		{
		st_ivas->hCPE[0]->hStereoDft->hConfig->force_mono_transmission = ( ivas_total_brate - ism_total_brate < MASA_STEREO_MIN_BITRATE ) ? 1 : 0;
		}

		if ( ivas_format == MASA_ISM_FORMAT && ( st_ivas->ism_mode == ISM_MASA_MODE_MASA_ONE_OBJ \|\| st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ \|\| st_ivas->ism_mode == ISM_MASA_MODE_DISC ) )
		{
		if ( st_ivas->hCPE[0]->element_mode == IVAS_CPE_DFT \|\| hMasa->data.hOmasaData->omasa_stereo_sw_cnt < OMASA_STEREO_SW_CNT_MAX )
		{
		hMasa->data.hOmasaData->lp_noise_CPE = st_ivas->hCPE[0]->hCoreCoder[0]->lp_noise;
		}
		else
		{
		hMasa->data.hOmasaData->lp_noise_CPE = ( st_ivas->hCPE[0]->hCoreCoder[0]->lp_noise + st_ivas->hCPE[0]->hCoreCoder[1]->lp_noise ) / CPE_CHANNELS;
		}
		}

		return;
		return error;
		}

		#endif

		/-----------------------------------------------------------------------
		* ivas_masa_surrcoh_signicant()

lib_enc/ivas_mcmasa_enc.c

+0 −8

Original line number	Diff line number	Diff line
		@@ -128,19 +128,11 @@ ivas_error ivas_mcmasa_enc_open(
		}

		/* With McMASA, we config MASA encoder only in init as we know the input and there are no frame-by-frame changes currently. */
		#ifdef MEM_ALLOC_APP
		if ( ( error = ivas_masa_enc_config_memory( st_ivas ) ) != IVAS_ERR_OK )
		#else
		if ( ( error = ivas_masa_enc_config( st_ivas ) ) != IVAS_ERR_OK )
		#endif
		{
		return error;
		}

		#ifdef MEM_ALLOC_APP
		ivas_masa_enc_init( st_ivas );
		#endif

		/* Determine the number of bands */
		hMcMasa->nbands = st_ivas->hMasa->config.numCodingBands;
		hMcMasa->nCodingBands = st_ivas->hMasa->config.numCodingBands;