port float MR 1361 (485903eb) · Commits · SA4 / Audio / IVAS BASOP

lib_com/options.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -209,6 +209,12 @@
		#define FIX_966_VAR_OVERFLOW_IN_HARM_MODEL_ARI /* FhG: fix and undef behaviour bug in the harmonic TCX model arithmetic coder */
		#define NONBE_FIX_974_OSBA_JBM_MONO_RS_USAN /* FhG : issue #974: usan in mono and stereo output in OSBA JBM RS */

		#define NONBE_FIX_982_OMASA_DELAY_COMP_5MS /* FhG : issue #982 : 5ms and 20ms output different for OMASA */
		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		#define OMASA_TDREND_MATCHING_GAIN 0.7943f
		#endif



		/* #################### End BASOP porting switches ############################ */

lib_dec/ivas_ism_renderer.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -524,6 +524,7 @@ void ivas_omasa_separate_object_render_jbm(
		for ( obj = 0; obj < num_objects; obj++ )
		{
		/* Delay the signal to match CLDFB delay. Delay the whole buffer with the first rendering call of the stretched buffer. */
		#ifndef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		if ( slots_rendered == 0 )
		{
		int16_t tcBufferSize;
		@@ -532,7 +533,7 @@ void ivas_omasa_separate_object_render_jbm(
		delay_signal( input_f[obj], tcBufferSize, st_ivas->hMasaIsmData->delayBuffer[obj], st_ivas->hMasaIsmData->delayBuffer_size );
		}
		offsetSamples = 0;

		#endif
		for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
		{
		n_samples_sf = hSpatParamRendCom->subframe_nbslots[subframe_idx] * hSpatParamRendCom->slot_size;

lib_dec/ivas_jbm_dec.c

+27 −0

Original line number	Diff line number	Diff line
		@@ -892,6 +892,33 @@ void ivas_jbm_dec_feed_tc_to_renderer(
		{
		ivas_ism_dec_digest_tc( st_ivas );
		}

		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		if ( st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC \|\| st_ivas->renderer_type == RENDERER_DIRAC )
		{
		int16_t num_objects;

		/* Delay the signal to match CLDFB delay. Delay the whole buffer. */
		num_objects = 0;
		if ( ( st_ivas->ism_mode == ISM_MASA_MODE_MASA_ONE_OBJ \|\| st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ ) && st_ivas->renderer_type != RENDERER_BINAURAL_PARAMETRIC )
		{
		num_objects = 1;
		}
		else if ( st_ivas->ism_mode == ISM_MASA_MODE_DISC )
		{
		num_objects = st_ivas->nchan_ism;
		}
		for ( n = 0; n < num_objects; n++ )
		{
		if ( st_ivas->ism_mode == ISM_MASA_MODE_DISC && st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC )
		{
		v_multc( st_ivas->hTcBuffer->tc[CPE_CHANNELS + n], OMASA_TDREND_MATCHING_GAIN, st_ivas->hTcBuffer->tc[CPE_CHANNELS + n], st_ivas->hTcBuffer->n_samples_available );
		}
		delay_signal( st_ivas->hTcBuffer->tc[CPE_CHANNELS + n], st_ivas->hTcBuffer->n_samples_available, st_ivas->hMasaIsmData->delayBuffer[n], st_ivas->hMasaIsmData->delayBuffer_size );
		}
		}
		#endif

		}
		else if ( st_ivas->ivas_format == MC_FORMAT )
		{

lib_dec/ivas_omasa_dec.c

+38 −7

Original line number	Diff line number	Diff line
		@@ -47,7 +47,10 @@
		* Local constants
		------------------------------------------------------------------------/

		#ifndef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		#define OMASA_TDREND_MATCHING_GAIN 0.7943f
		#endif


		/-------------------------------------------------------------------
		* ivas_omasa_data_open()
		@@ -600,18 +603,40 @@ void ivas_omasa_dirac_rend_jbm(
		int16_t n;
		float data_separated_objects[MAX_NUM_OBJECTS][L_FRAME48k];

		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		if ( !st_ivas->hDecoderConfig->Opt_tsm )
		{
		*nSamplesRendered = min( nSamplesAsked, st_ivas->hTcBuffer->n_samples_available );
		#endif

		if ( st_ivas->ism_mode == ISM_MASA_MODE_MASA_ONE_OBJ \|\| st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ )
		{

		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		mvr2r( &output_f[CPE_CHANNELS][st_ivas->hTcBuffer->n_samples_rendered], data_separated_objects[0], *nSamplesRendered );
		#else
		mvr2r( output_f[CPE_CHANNELS], data_separated_objects[0], nSamplesAsked );
		#endif

		}
		else
		{
		for ( n = 0; n < st_ivas->nchan_ism; n++ )
		{

		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		mvr2r( &output_f[n + CPE_CHANNELS][st_ivas->hTcBuffer->n_samples_rendered], data_separated_objects[n], *nSamplesRendered );
		#else
		mvr2r( output_f[n + CPE_CHANNELS], data_separated_objects[n], nSamplesAsked );
		#endif

		}
		}

		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		}
		#endif

		subframes_rendered = st_ivas->hSpatParamRendCom->subframes_rendered;
		slots_rendered = st_ivas->hSpatParamRendCom->slots_rendered;

		@@ -640,10 +665,14 @@ ivas_error ivas_omasa_dirac_td_binaural_jbm(
		{
		int16_t n;
		float data_separated_objects[MAX_NUM_OBJECTS][L_FRAME48k];
		#ifndef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		float gain = OMASA_TDREND_MATCHING_GAIN;
		#endif
		ivas_error error;
		float *p_sepobj[MAX_NUM_OBJECTS];
		#ifndef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		float *tc_local[MAX_TRANSPORT_CHANNELS];
		#endif
		#ifdef SPLIT_REND_WITH_HEAD_ROT
		int16_t slot_idx_start;

		@@ -655,6 +684,7 @@ ivas_error ivas_omasa_dirac_td_binaural_jbm(
		p_sepobj[n] = &data_separated_objects[n][0];
		}

		#ifndef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		/* Delay the object signals to match the CLDFB delay. Delay the whole buffer with the first rendering call of the stretched buffer. */
		if ( st_ivas->hSpatParamRendCom->slots_rendered == 0 )
		{
		@@ -669,6 +699,7 @@ ivas_error ivas_omasa_dirac_td_binaural_jbm(
		delay_signal( tc_local[n], tcBufferSize, st_ivas->hMasaIsmData->delayBuffer[n], st_ivas->hMasaIsmData->delayBuffer_size );
		}
		}
		#endif

		ivas_dirac_dec_binaural_render( st_ivas, nSamplesAsked, nSamplesRendered, nSamplesAvailable, nchan_transport, output_f );

lib_rend/ivas_dirac_dec_binaural_functions.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -2169,7 +2169,12 @@ static void ivas_dirac_dec_binaural_determine_processing_matrices(

		if ( ivas_format == MASA_ISM_FORMAT )
		{
		#ifdef NONBE_FIX_982_OMASA_DELAY_COMP_5MS
		gainFactor = OMASA_TDREND_MATCHING_GAIN * sqrtf( hDiracDecBin->earlyPartEneCorrection[bin] );
		#else

		gainFactor = 0.7943f * sqrtf( hDiracDecBin->earlyPartEneCorrection[bin] );
		#endif
		}
		else
		{