5 ms update rate for headrotation under define FIX_I106_TDREND_5MS (96598c47) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_cnst.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -823,6 +823,9 @@ typedef enum {
		----------------------------------------------------------------------------------/
		// VE: this should be renamed to e.g. N_SPATIAL_SUBFRAMES
		#define MAX_PARAM_SPATIAL_SUBFRAMES 4 /* Maximum number of subframes for parameteric spatial coding */
		#ifdef FIX_I106_TDREND_5MS
		#define L_SPATIAL_SUBFR_48k (L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES)
		#endif


		/----------------------------------------------------------------------------------

lib_com/ivas_prot.h

+13 −0

Original line number	Diff line number	Diff line
		@@ -4936,12 +4936,21 @@ void TDREND_HRFILT_SetFiltSet(
		#endif

		ivas_error TDREND_REND_RenderSourceHRFilt(
		#ifdef FIX_I106_TDREND_5MS
		TDREND_SRC_t Src_p, / i/o: The source to be rendered */
		#else
		const TDREND_SRC_t Src_p, / i/o: The source to be rendered */
		#endif
		#ifdef TDREND_HRTF_TABLE_METHODS
		BINAURAL_TD_OBJECT_RENDERER_HANDLE hBinRendererTd, /* i/o: TD renderer handle */
		#endif
		#ifdef FIX_I106_TDREND_5MS
		float output_buf[][L_SPATIAL_SUBFR_48k], /* o : Output buffer */
		const int16_t subframe_length, /* i : Subframe length in use */
		#else
		float output_buf[][L_FRAME48k], /* o : Output buffer */
		const int16_t output_frame, /* i : Output frame length in use */
		#endif
		const int32_t output_Fs /* i : Output sample rate */
		);

		@@ -5081,7 +5090,11 @@ void TDREND_SFX_SpatBin_SetParams(
		void TDREND_SFX_SpatBin_Execute_Main(
		SFX_SpatBin_t SfxSpatBin_p, / i/o: Spatial parameters handle */
		const float InBuffer_p, / i : Input buffer */
		#ifdef FIX_I106_TDREND_5MS
		const int16_t subframe_length, /* i : subframe length */
		#else
		const int16_t output_frame, /* i : frame length */
		#endif
		float LeftOutBuffer_p, / o : Rendered left channel */
		float RightOutBuffer_p, / o : Rendered right channel */
		int16_t NoOfUsedInputSamples_p, / o : Number of input samples actually used */

lib_com/options.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -149,7 +149,7 @@
		#define SPAR_SCALING_HARMONIZATION /* Issue 80: Changes to harmonize scaling in spar */
		#define SBA_INTERN_CONFIG_FIX_HOA2 /* Issue 99 : Fix for incorrect internal_config when output format is HOA2 or FOA*/
		#define FIX_I98_HANDLES_TO_NULL /* Issue 98: do the setting of all handles to NULL in one place */

		#define FIX_I106_TDREND_5MS /* Issue 106: 5 ms update rate in TD object renderer */

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

lib_dec/ivas_objectRenderer.c

+203 −5

Original line number	Diff line number	Diff line
		@@ -46,9 +46,16 @@
		* Local function prototypes
		---------------------------------------------------------------------/

		#ifdef FIX_I106_TDREND_5MS
		static ivas_error TDREND_GetMix( BINAURAL_TD_OBJECT_RENDERER_HANDLE hBinRendererTd, float output[][L_FRAME48k], const int16_t subframe_length, const int32_t output_Fs, const int16_t subframe_idx );
		#else
		static ivas_error TDREND_GetMix( BINAURAL_TD_OBJECT_RENDERER_HANDLE hBinRendererTd, float output[][L_FRAME48k], const int16_t output_frame, const int32_t output_Fs );
		#endif
		static void TDREND_Clear_Update_flags( BINAURAL_TD_OBJECT_RENDERER_HANDLE hBinRendererTd );

		#ifdef FIX_I106_TDREND_5MS
		static void TDREND_Update_listener_orientation( Decoder_Struct *st_ivas, const int16_t subframe_idx );
		static void TDREND_Update_object_positions( Decoder_Struct *st_ivas, float output[][L_FRAME48k] );
		#endif

		/---------------------------------------------------------------------
		* ivas_td_binaural_open()
		@@ -220,6 +227,7 @@ void ObjRenderIVASFrame(
		const int16_t output_frame /* i : output frame length */
		)
		{
		#ifndef FIX_I106_TDREND_5MS
		TDREND_DirAtten_t *DirAtten_p;
		int16_t nS;
		float Pos[3];
		@@ -228,9 +236,15 @@ void ObjRenderIVASFrame(
		float UpVec[3];
		float Rmat[3][3];
		int16_t c_indx;
		#else
		int16_t subframe_length;
		#endif
		int16_t subframe_idx;
		float reverb_signal[BINAURAL_CHANNELS][L_FRAME48k];

		#ifdef FIX_I106_TDREND_5MS
		subframe_length = output_frame / MAX_PARAM_SPATIAL_SUBFRAMES;
		#else
		DirAtten_p = st_ivas->hBinRendererTd->DirAtten_p;

		/* Update the listener's location/orientation */
		@@ -302,8 +316,16 @@ void ObjRenderIVASFrame(
		TDREND_MIX_SRC_SetPlayState( st_ivas->hBinRendererTd, nS, TDREND_PLAYSTATUS_PLAYING );
		}
		}
		#endif
		if ( st_ivas->hRenderConfig != NULL ) /* Renderer Configuration not enabled in TD standalone renderer */
		{

		#ifdef FIX_I106_TDREND_5MS
		if ( st_ivas->hRenderConfig->roomAcoustics.late_reverb_on && ( st_ivas->ini_frame == 0 ) )
		{
		ivas_reverb_open( &st_ivas->hCrend->hReverb, st_ivas->transport_config, NULL, st_ivas->hRenderConfig, st_ivas->hDecoderConfig->output_Fs );
		}
		#else
		if ( st_ivas->hRenderConfig->roomAcoustics.late_reverb_on )
		{
		if ( st_ivas->ini_frame == 0 )
		@@ -315,10 +337,31 @@ void ObjRenderIVASFrame(
		ivas_reverb_process( st_ivas->hCrend->hReverb, st_ivas->transport_config, 0, output, reverb_signal, subframe_idx );
		}
		}
		#endif
		}

		#ifdef FIX_I106_TDREND_5MS
		/* Update object position(s) */
		TDREND_Update_object_positions( st_ivas, output );

		for ( subframe_idx = 0; subframe_idx < MAX_PARAM_SPATIAL_SUBFRAMES; subframe_idx++ )
		{
		/* Update the listener's location/orientation */
		TDREND_Update_listener_orientation( st_ivas, subframe_idx );

		if ( ( st_ivas->hRenderConfig != NULL ) && ( st_ivas->hRenderConfig->roomAcoustics.late_reverb_on ) )
		{
		ivas_reverb_process( st_ivas->hCrend->hReverb, st_ivas->transport_config, 0, output, reverb_signal, subframe_idx );
		}

		/* Render subframe */
		TDREND_GetMix( st_ivas->hBinRendererTd, output, subframe_length, st_ivas->hDecoderConfig->output_Fs, subframe_idx );
		}
		#else
		/* Call the renderer */
		TDREND_GetMix( st_ivas->hBinRendererTd, output, output_frame, st_ivas->hDecoderConfig->output_Fs );
		#endif

		if ( st_ivas->hRenderConfig != NULL ) /* Renderer Configuration not enabled in TD standalone renderer */
		{
		if ( st_ivas->hRenderConfig->roomAcoustics.late_reverb_on )
		@@ -333,17 +376,30 @@ void ObjRenderIVASFrame(
		}


		#ifdef FIX_I106_TDREND_5MS
		/---------------------------------------------------------------------
		* TDREND_GetMix()
		*
		* Render one 5 ms subframe from the mixer
		---------------------------------------------------------------------/
		#else
		/---------------------------------------------------------------------
		* TDREND_GetMix()
		*
		* Render one output frame from the mixer
		---------------------------------------------------------------------/

		#endif
		static ivas_error TDREND_GetMix(
		BINAURAL_TD_OBJECT_RENDERER_HANDLE hBinRendererTd, /* i/o: TD renderer handle */
		float output[][L_FRAME48k], /* i/o: ISm object synth / rendered output in 0,1 */
		#ifdef FIX_I106_TDREND_5MS
		const int16_t subframe_length, /* i/o: subframe length */
		const int32_t output_Fs, /* i : Output sampling rate */
		const int16_t subframe_idx /* i : Subframe index to 5 ms subframe */
		#else
		const int16_t output_frame, /* i/o: Output frame length */
		const int32_t output_Fs /* i : Output sampling rate */
		#endif
		)
		{
		int16_t i;
		@@ -351,13 +407,22 @@ static ivas_error TDREND_GetMix(
		TDREND_SRC_SPATIAL_t *SrcSpatial_p;
		TDREND_SRC_REND_t *SrcRend_p;
		ivas_error error;
		#ifdef FIX_I106_TDREND_5MS
		float output_buf[2][L_SPATIAL_SUBFR_48k]; /* Temp buffer for left/right rendered signal */
		#else
		float output_buf[2][L_FRAME48k]; /* Temp buffer for left/right rendered signal */

		#endif
		error = IVAS_ERR_OK;

		#ifdef FIX_I106_TDREND_5MS
		/* Clear the output buffer to accumulate rendered sources */
		set_f( output_buf[0], 0.0f, subframe_length );
		set_f( output_buf[1], 0.0f, subframe_length );
		#else
		/* Zero out the output buffer since objects are accumulated. */
		set_f( output_buf[0], 0.0f, output_frame );
		set_f( output_buf[1], 0.0f, output_frame );
		#endif

		/* Create the mix */
		/* Loop through the source list and render each source */
		@@ -376,20 +441,39 @@ static ivas_error TDREND_GetMix(
		/* Render source if needed */
		if ( ( SrcRend_p->InputAvailable == TRUE ) && ( SrcRend_p->PlayStatus == TDREND_PLAYSTATUS_PLAYING ) )
		{
		#ifdef FIX_I106_TDREND_5MS
		#ifdef TDREND_HRTF_TABLE_METHODS
		error = TDREND_REND_RenderSourceHRFilt( Src_p, hBinRendererTd, output_buf, subframe_length, output_Fs );
		#else
		error = TDREND_REND_RenderSourceHRFilt( Src_p, output_buf, subframe_length, output_Fs );
		#endif
		#else
		#ifdef TDREND_HRTF_TABLE_METHODS
		error = TDREND_REND_RenderSourceHRFilt( Src_p, hBinRendererTd, output_buf, output_frame, output_Fs );
		#else
		error = TDREND_REND_RenderSourceHRFilt( Src_p, output_buf, output_frame, output_Fs );
		#endif
		#endif
		}
		#ifndef FIX_I106_TDREND_5MS
		SrcRend_p->InputAvailable = FALSE;
		#endif
		}

		/* Populate output variable */
		#ifdef FIX_I106_TDREND_5MS
		mvr2r( output_buf[0], output[0] + subframe_idx * subframe_length, subframe_length ); /* Left */
		mvr2r( output_buf[1], output[1] + subframe_idx * subframe_length, subframe_length ); /* Right */
		#else
		mvr2r( output_buf[0], output[0], output_frame ); /* Left */
		mvr2r( output_buf[1], output[1], output_frame ); /* Right */
		#endif

		#ifdef FIX_I106_TDREND_5MS
		/* Clear the PoseUpdated and Source position update flags */
		#else
		/* Clear the mixer update flags */
		#endif
		TDREND_Clear_Update_flags( hBinRendererTd );

		return error;
		@@ -417,3 +501,117 @@ static void TDREND_Clear_Update_flags(

		return;
		}

		#ifdef FIX_I106_TDREND_5MS
		/---------------------------------------------------------------------
		* TDREND_Update_object_positions()
		*
		* Update object position(s)
		---------------------------------------------------------------------/

		static void TDREND_Update_object_positions(
		Decoder_Struct st_ivas, / i/o: IVAS decoder structure */
		float output[][L_FRAME48k] /* i/o: SCE/MC channels */
		)
		{
		TDREND_DirAtten_t *DirAtten_p;
		int16_t nS;
		float Pos[3];
		float Dir[3];
		int16_t c_indx;

		DirAtten_p = st_ivas->hBinRendererTd->DirAtten_p;

		/* For each source, write the frame data to the source object*/
		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 = output[nS];
		st_ivas->hBinRendererTd->Sources[c_indx]->SrcRend_p->InputAvailable = TRUE;
		c_indx++;
		}

		if ( st_ivas->ivas_format == ISM_FORMAT )
		{

		/* Update the source positions */
		/* Source position and direction */
		Pos[0] = cosf( st_ivas->hIsmMetaData[nS]->elevation * PI_OVER_180 ) * cosf( st_ivas->hIsmMetaData[nS]->azimuth * PI_OVER_180 );
		Pos[1] = cosf( st_ivas->hIsmMetaData[nS]->elevation * PI_OVER_180 ) * sinf( st_ivas->hIsmMetaData[nS]->azimuth * PI_OVER_180 );
		Pos[2] = sinf( st_ivas->hIsmMetaData[nS]->elevation * PI_OVER_180 );
		Dir[0] = 1.0f;
		Dir[1] = 0.0f;
		Dir[2] = 0.0f;

		/* Source directivity info */
		DirAtten_p->ConeInnerAngle = 360.0f;
		DirAtten_p->ConeOuterAngle = 360.0f;
		DirAtten_p->ConeOuterGain = 1.0f;

		TDREND_MIX_SRC_SetPos( st_ivas->hBinRendererTd, nS, Pos );
		TDREND_MIX_SRC_SetDirAtten( st_ivas->hBinRendererTd, nS, DirAtten_p );
		TDREND_MIX_SRC_SetPlayState( st_ivas->hBinRendererTd, nS, TDREND_PLAYSTATUS_PLAYING );

		TDREND_MIX_SRC_SetDir( st_ivas->hBinRendererTd, nS, Dir );
		}
		}

		return;
		}

		/---------------------------------------------------------------------
		* TDREND_Update_listener_orientation()
		*
		* Update listener orientation (s)
		---------------------------------------------------------------------/

		static void TDREND_Update_listener_orientation(
		Decoder_Struct st_ivas, / i/o: IVAS decoder structure */
		const int16_t subframe_idx /* i: subframe index*/
		)
		{
		float Pos[3];
		float FrontVec[3];
		float UpVec[3];
		float Rmat[3][3];

		/* Update the listener's location/orientation */
		/* Listener at the origin */
		Pos[0] = 0.0f;
		Pos[1] = 0.0f;
		Pos[2] = 0.0f;

		if ( st_ivas->hHeadTrackData != NULL )
		{
		/* Obtain head rotation matrix */
		QuatToRotMat( st_ivas->hHeadTrackData->Quaternions[subframe_idx], Rmat );
		/* Apply rotation matrix to looking vector [1;0;0] */
		FrontVec[0] = Rmat[0][0];
		FrontVec[1] = Rmat[0][1];
		FrontVec[2] = Rmat[0][2];
		/* Apply rotation matrix to up vector [0;0;1] */
		UpVec[0] = Rmat[2][0];
		UpVec[1] = Rmat[2][1];
		UpVec[2] = Rmat[2][2];
		}
		else
		{
		/* Oriented with looking vector along the x axis */
		FrontVec[0] = 1.0f;
		FrontVec[1] = 0.0f;
		FrontVec[2] = 0.0f;
		/* Oriented with up vector along the z axis */
		UpVec[0] = 0.0f;
		UpVec[1] = 0.0f;
		UpVec[2] = 1.0f;
		}

		/* Set the listener position and orientation:*/
		TDREND_MIX_LIST_SetPos( st_ivas->hBinRendererTd, Pos );
		TDREND_MIX_LIST_SetOrient( st_ivas->hBinRendererTd, FrontVec, UpVec );

		return;
		}
		#endif

lib_dec/ivas_objectRenderer_hrFilt.c

+33 −0

Original line number	Diff line number	Diff line
		@@ -343,23 +343,42 @@ void TDREND_HRFILT_SetFiltSet(
		--------------------------------------------------------------------*/

		ivas_error TDREND_REND_RenderSourceHRFilt(
		#ifdef FIX_I106_TDREND_5MS
		TDREND_SRC_t Src_p, / i/o: The source to be rendered */
		#else
		const TDREND_SRC_t Src_p, / i/o: The source to be rendered */
		#endif
		#ifdef TDREND_HRTF_TABLE_METHODS
		BINAURAL_TD_OBJECT_RENDERER_HANDLE hBinRendererTd, /* i/o: TD renderer handle */
		#endif
		#ifdef FIX_I106_TDREND_5MS
		float output_buf[][L_SPATIAL_SUBFR_48k], /* o : Output buffer */
		const int16_t subframe_length, /* i : Subframe length in use */
		#else
		float output_buf[][L_FRAME48k], /* o : Output buffer */
		const int16_t output_frame, /* i : Output frame length in use */
		#endif

		const int32_t output_Fs /* i : Output sample rate */
		)
		{
		TDREND_SRC_REND_t *SrcRend_p;
		#ifdef FIX_I106_TDREND_5MS
		const float *InFrame_nIC_p;
		#else
		int16_t nS;
		float *InFrame_nIC_p;
		#endif
		int16_t NoOfUsedInputSamples, NoOfDeliveredOutputSamples;
		#ifdef FIX_I106_TDREND_5MS
		float LeftOutputFrame[L_SPATIAL_SUBFR_48k];
		float RightOutputFrame[L_SPATIAL_SUBFR_48k];
		#else
		float LeftOutputFrame[L_FRAME48k];
		float RightOutputFrame[L_FRAME48k];
		float LeftOutputFrame_p, RightOutputFrame_p;
		float LeftAccOutputFrame_p, RightAccOutputFrame_p;
		#endif

		/* Input channel rendering loop */
		InFrame_nIC_p = Src_p->InputFrame_p;
		@@ -369,7 +388,11 @@ ivas_error TDREND_REND_RenderSourceHRFilt(
		/* SrcGain = Mix_p->Gain * ( SrcRend_p->SrcGain_p ); /
		/* SrcGain = ( SrcRend_p->DirGain_p ) * ( SrcRend_p->DistGain_p ); /

		#ifdef FIX_I106_TDREND_5MS
		TDREND_SFX_SpatBin_Execute_Main( SrcRend_p->SfxSpatBin_p, InFrame_nIC_p, subframe_length, LeftOutputFrame, RightOutputFrame, &NoOfUsedInputSamples, &NoOfDeliveredOutputSamples, output_Fs );
		#else
		TDREND_SFX_SpatBin_Execute_Main( SrcRend_p->SfxSpatBin_p, InFrame_nIC_p, output_frame, LeftOutputFrame, RightOutputFrame, &NoOfUsedInputSamples, &NoOfDeliveredOutputSamples, output_Fs );
		#endif

		#ifdef TDREND_HRTF_TABLE_METHODS
		if ( hBinRendererTd->HrFiltSet_p->FilterMethod != TDREND_HRFILT_Method_BSplineModel )
		@@ -379,15 +402,25 @@ ivas_error TDREND_REND_RenderSourceHRFilt(
		#endif

		/* Copy to accumulative output frame */
		#ifdef FIX_I106_TDREND_5MS
		v_add( LeftOutputFrame, output_buf[0], output_buf[0], subframe_length );
		v_add( RightOutputFrame, output_buf[1], output_buf[1], subframe_length );

		Src_p->InputFrame_p += subframe_length; /* Increment input pointer -- todo: should we remove this and input the current subframe instead? */

		#else
		LeftOutputFrame_p = LeftOutputFrame;
		RightOutputFrame_p = RightOutputFrame;
		LeftAccOutputFrame_p = output_buf[0];
		RightAccOutputFrame_p = output_buf[1];

		for ( nS = 0; nS < output_frame; nS++ )
		{
		LeftAccOutputFrame_p++ += LeftOutputFrame_p++;
		RightAccOutputFrame_p++ += RightOutputFrame_p++;
		}
		#endif


		return IVAS_ERR_OK;
		}