added non-diegetic panning to JITTER rendering, fixed a few problems with the... (86527fee) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/options.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -205,6 +205,7 @@
		#define FIX_468_16KHZ_PUPMIX /* Dlb: Fix issue 468 for Param Upmix at 16kHz sampling rate */

		#define FIX_485_STATIC_BUFFERS /* FhG: move static buffers in DirAC parameter estimator to the DirAC struct */
		#define FIX_473_JITTER_NONDIEGETIC_PANNING /* FhG,Orange: add missing non-diegetic panning to JITTER */

		/* ################## End DEVELOPMENT switches ######################### */
		/* clang-format on */

lib_dec/ivas_ism_renderer.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -269,7 +269,11 @@ void ivas_ism_render_sf(
		{

		/* Head rotation: rotate the object positions depending the head's orientation */
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		if ( st_ivas->hHeadTrackData != NULL && st_ivas->hHeadTrackData->num_quaternions >= 0 && !st_ivas->hIsmMetaData[i]->non_diegetic_flag )
		#else
		if ( st_ivas->hHeadTrackData != NULL && st_ivas->hHeadTrackData->num_quaternions >= 0 )
		#endif
		{
		rotateAziEle( st_ivas->hIsmMetaData[i]->azimuth, st_ivas->hIsmMetaData[i]->elevation, &azimuth, &elevation, Rmat, st_ivas->hIntSetup.is_planar_setup );
		if ( st_ivas->hEFAPdata != NULL )

lib_dec/ivas_jbm_dec.c

+25 −0

Original line number	Diff line number	Diff line
		@@ -611,6 +611,9 @@ ivas_error ivas_jbm_dec_render(
		int16_t nchan_remapped;
		int32_t output_Fs;
		AUDIO_CONFIG output_config;
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		float pan_left, pan_right;
		#endif
		int16_t nSamplesAskedLocal;
		ivas_error error;
		float *p_output[MAX_OUTPUT_CHANNELS];
		@@ -669,6 +672,16 @@ ivas_error ivas_jbm_dec_render(
		{
		ivas_dirac_dec_binaural_render( st_ivas, nSamplesAskedLocal, nSamplesRendered, nSamplesAvailableNext, st_ivas->nchan_transport, p_output );
		}
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		else if ( st_ivas->renderer_type == RENDERER_NON_DIEGETIC_DOWNMIX )
		{
		*nSamplesRendered = min( st_ivas->hTcBuffer->n_samples_available, nSamplesAskedLocal );
		pan_left = ( st_ivas->hDecoderConfig->non_diegetic_pan_gain + 1.f ) * 0.5f;
		pan_right = 1.f - pan_left;
		v_multc( st_ivas->hTcBuffer->tc[0], pan_right, output[1], *nSamplesRendered );
		v_multc( st_ivas->hTcBuffer->tc[0], pan_left, output[0], *nSamplesRendered );
		}
		#endif
		else if ( st_ivas->renderer_type == RENDERER_PARAM_ISM \|\| st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC )
		{
		ivas_param_ism_dec_render( st_ivas, nSamplesAskedLocal, nSamplesRendered, nSamplesAvailableNext, p_output );
		@@ -689,6 +702,15 @@ ivas_error ivas_jbm_dec_render(
		/* Convert to CICPxx; used also for ISM->CICP19->binaural_room rendering */
		ivas_ism_render_sf( st_ivas, p_output, *nSamplesRendered );
		}
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		else if ( st_ivas->renderer_type == RENDERER_NON_DIEGETIC_DOWNMIX )
		{
		pan_left = ( st_ivas->hDecoderConfig->non_diegetic_pan_gain + 1.f ) * 0.5f;
		pan_right = 1.f - pan_left;
		v_multc( st_ivas->hTcBuffer->tc[0], pan_right, output[1], *nSamplesRendered );
		v_multc( st_ivas->hTcBuffer->tc[0], pan_left, output[0], *nSamplesRendered );
		}
		#endif
		else if ( st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC \|\| st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV )
		{
		/* Convert to Ambisonics; used also for ISM->HOA3->binaural rendering */
		@@ -1655,6 +1677,9 @@ TC_BUFFER_MODE ivas_jbm_dec_get_tc_buffer_mode( Decoder_Struct *st_ivas )
		case RENDERER_PARAM_ISM:
		case RENDERER_BINAURAL_MIXER_CONV:
		case RENDERER_BINAURAL_MIXER_CONV_ROOM:
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		case RENDERER_NON_DIEGETIC_DOWNMIX:
		#endif
		buffer_mode = TC_BUFFER_MODE_RENDERER;
		break;
		case RENDERER_MC_PARAMMC:

lib_dec/ivas_objectRenderer_internal.c

+18 −3

Original line number	Diff line number	Diff line
		@@ -113,7 +113,8 @@ void ObjRenderIVASSubframe(
		float *tc_local[MAX_TRANSPORT_CHANNELS];
		int16_t ch, slot_size, slots_to_render, output_frame;
		#ifdef FIX_356_ISM_METADATA_SYNC
		int16_t ism_md_subframe_update_jbm = 0; /* Number of subframes to delay metadata to sync with audio */
		int16_t ism_md_subframe_update_jbm = st_ivas->hTcBuffer->nb_subframes - 2; /* Number of subframes to delay metadata to sync with audio */
		int16_t c_indx, nS;
		#endif
		for ( ch = 0; ch < BINAURAL_CHANNELS; ch++ )
		{
		@@ -145,7 +146,21 @@ void ObjRenderIVASSubframe(

		/* Update object position(s) */
		#ifdef FIX_356_ISM_METADATA_SYNC
		c_indx = 0;

		for ( nS = 0; nS < st_ivas->nchan_transport; nS++ )
		{
		if ( !( st_ivas->ivas_format == MC_FORMAT && nS == LFE_CHANNEL ) ) /* Skip LFE for MC */
		{
		st_ivas->hBinRendererTd->Sources[c_indx]->InputFrame_p = tc_local[nS];
		st_ivas->hBinRendererTd->Sources[c_indx]->SrcRend_p->InputAvailable = TRUE;
		c_indx++;
		}
		}
		if ( subframe_idx == ism_md_subframe_update_jbm )
		{
		TDREND_Update_object_positions( st_ivas->hBinRendererTd, st_ivas->nchan_transport, st_ivas->ivas_format, st_ivas->hIsmMetaData );
		}
		#else
		TDREND_Update_object_positions( st_ivas->hBinRendererTd, st_ivas->nchan_transport, LFE_CHANNEL, st_ivas->ivas_format, st_ivas->hIsmMetaData, tc_local );
		#endif
		@@ -163,7 +178,7 @@ void ObjRenderIVASSubframe(

		/* Render subframe */
		#ifdef FIX_356_ISM_METADATA_SYNC
		TDREND_GetMix( st_ivas->hBinRendererTd, output_f_local, output_frame, 0, ism_md_subframe_update_jbm );
		TDREND_GetMix( st_ivas->hBinRendererTd, output_f_local, output_frame, 0, ism_md_subframe_update_jbm != subframe_idx );
		#else
		TDREND_GetMix( st_ivas->hBinRendererTd, output_f_local, output_frame, 0 );
		#endif

lib_dec/lib_dec.c

+18 −2

Original line number	Diff line number	Diff line
		@@ -891,8 +891,20 @@ static ivas_error IVAS_DEC_Setup(

		if ( hIvasDec->mode == IVAS_DEC_MODE_EVS )
		{
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		if ( hIvasDec->st_ivas->renderer_type == RENDERER_NON_DIEGETIC_DOWNMIX )
		{
		*nTransportChannels = MAX_OUTPUT_CHANNELS_IN_DIEGETIC_PAN;
		*nOutChannels = MAX_OUTPUT_CHANNELS_IN_DIEGETIC_PAN;
		}
		else
		{
		#endif
		*nTransportChannels = 1;
		*nOutChannels = 1;
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		}
		#endif
		}
		else
		{
		@@ -2909,7 +2921,11 @@ static ivas_error evs_dec_main(
		if ( floatBuf != NULL )
		{
		/* BE workaround */
		#ifdef FIX_473_JITTER_NONDIEGETIC_PANNING
		int16_t pcm_buf_local[L_FRAME48k * MAX_OUTPUT_CHANNELS_IN_DIEGETIC_PAN];
		#else
		int16_t pcm_buf_local[L_FRAME48k];
		#endif


		/* convert 'float' output data to 'short' */

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