first version of mono and stereo output for OSBA (dac1a86d) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_cnst.h

100644 → 100755

+3 −0

Original line number	Diff line number	Diff line
		@@ -162,6 +162,9 @@ typedef enum
		RENDERER_BINAURAL_MIXER_CONV,
		RENDERER_BINAURAL_MIXER_CONV_ROOM,
		RENDERER_NON_DIEGETIC_DOWNMIX
		#ifdef OSBA_MONO_STEREO_OUTPUT
		, RENDERER_OSBA_STEREO
		#endif

		} RENDERER_TYPE;

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -216,6 +216,7 @@
		#define OSBA_DISC_OBJ_MCT
		#define ENABLE_ISM_MD_CODING
		#define OSBA_EXT_OUT
		#define OSBA_MONO_STEREO_OUTPUT
		#endif
		/* ################## End BE DEVELOPMENT switches ######################### */

lib_dec/ivas_dec.c

100644 → 100755

+48 −0

Original line number	Diff line number	Diff line
		@@ -560,6 +560,28 @@ ivas_error ivas_dec(
		return error;
		}

		#ifdef OSBA_MONO_STEREO_OUTPUT
		if ( st_ivas->sba_dirac_stereo_flag )
		{
		ivas_agc_dec_process( st_ivas->hSpar->hAgcDec, &output[st_ivas->nchan_ism], &output[st_ivas->nchan_ism], st_ivas->hSpar->hMdDec->spar_md_cfg.nchan_transport, output_frame );

		if ( st_ivas->hSpar->hPCA != NULL )
		{
		ivas_pca_dec( st_ivas->hSpar->hPCA, output_frame, st_ivas->hSpar->hMdDec->spar_md_cfg.nchan_transport, st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->hDecoderConfig->last_ivas_total_brate, st_ivas->bfi, &output[st_ivas->nchan_ism] );
		}

		ivas_spar_dec_gen_umx_mat( st_ivas->hSpar->hMdDec, st_ivas->nchan_transport, IVAS_MAX_NUM_BANDS, st_ivas->bfi,
		ivas_get_spar_dec_md_num_subframes( st_ivas->sba_order, st_ivas->hDecoderConfig->ivas_total_brate
		#ifdef VLBR_20MS_MD
		,
		st_ivas->last_active_ivas_total_brate
		#endif
		) );

		ivas_sba_dirac_stereo_dec( st_ivas, &output[st_ivas->nchan_ism], output_frame, 0 );
		}
		#endif

		/* HP filtering */
		for ( n = 0; n < getNumChanSynthesis( st_ivas ); n++ ) /TODOfto:check what needs to be filtered here/
		{
		@@ -589,6 +611,32 @@ ivas_error ivas_dec(
		return error;
		}
		}
		#ifdef OSBA_MONO_STEREO_OUTPUT
		else if ( st_ivas->ism_mode == ISM_SBA_MODE_DISC && ( st_ivas->renderer_type == RENDERER_OSBA_STEREO \|\| st_ivas->renderer_type == RENDERER_MONO_DOWNMIX ) )
		{
		if ( st_ivas->renderer_type == RENDERER_MONO_DOWNMIX )
		{
		ivas_mono_downmix_render_passive( st_ivas, output, output_frame );
		}
		else /* stereo output */
		{
		/* shift SBA channels to avoid overwrite by ISM upmix in 1 object case */
		if ( nchan_ism == 1 )
		{
		mvr2r( output[2], output[3], output_frame );
		mvr2r( output[1], output[2], output_frame );
		}
		ivas_ism_render( st_ivas, p_output, output_frame );
		}

		for ( n = 0; n < nchan_out; n++ )
		{
		v_add( output[n], output[n + max(nchan_out, nchan_ism)], output[n], output_frame );
		}

		//ivas_sba_upmixer_renderer( st_ivas, &output[st_ivas->nchan_ism], output_frame );
		}
		#endif
		else /HOA3 rendering for now/
		{
		#ifdef OSBA_EXT_OUT

lib_dec/ivas_init_dec.c

100644 → 100755

+11 −2

Original line number	Diff line number	Diff line
		@@ -1199,8 +1199,6 @@ ivas_error ivas_init_decoder(
		st_ivas->hSpar->dirac_to_spar_md_bands, st_ivas->hQMetaData->useLowerBandRes, st_ivas->hSpar->enc_param_start_band, 0 );
		}
		st_ivas->sba_dirac_stereo_flag = ivas_get_sba_dirac_stereo_flag( st_ivas );


		#endif

		st_ivas->nCPE += ( st_ivas->nchan_ism + 1 ) >> 1;
		@@ -1692,11 +1690,19 @@ ivas_error ivas_init_decoder(
		}
		}

		#ifdef OSBA_MONO_STEREO_OUTPUT
		if ( ( st_ivas->ivas_format == ISM_FORMAT \|\| st_ivas->ivas_format == SBA_ISM_FORMAT ) &&
		( st_ivas->ism_mode == ISM_MODE_DISC \|\| st_ivas->ism_mode == ISM_SBA_MODE_DISC ) &&
		#else
		if ( st_ivas->ivas_format == ISM_FORMAT &&
		st_ivas->ism_mode == ISM_MODE_DISC &&
		#endif
		( st_ivas->renderer_type == RENDERER_TD_PANNING \|\|
		st_ivas->renderer_type == RENDERER_NON_DIEGETIC_DOWNMIX \|\|
		st_ivas->renderer_type == RENDERER_SBA_LINEAR_ENC \|\|
		#ifdef OSBA_MONO_STEREO_OUTPUT
		st_ivas->renderer_type == RENDERER_OSBA_STEREO \|\|
		#endif
		st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV \|\|
		st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM \|\|
		st_ivas->renderer_type == RENDERER_BINAURAL_MIXER_CONV_ROOM ) )
		@@ -2421,6 +2427,9 @@ void ivas_init_dec_get_num_cldfb_instances(
		case RENDERER_BINAURAL_MIXER_CONV_ROOM:
		case RENDERER_BINAURAL_FASTCONV:
		case RENDERER_BINAURAL_FASTCONV_ROOM:
		#ifdef OSBA_MONO_STEREO_OUTPUT
		case RENDERER_OSBA_STEREO:
		#endif
		#ifdef OSBA_DISC_OBJ_MCT
		if ( st_ivas->ivas_format == SBA_FORMAT \|\| st_ivas->ivas_format == SBA_ISM_FORMAT )
		#else

lib_dec/ivas_mct_dec.c

+16 −1

Original line number	Diff line number	Diff line
		@@ -160,7 +160,11 @@ ivas_error ivas_mct_dec(
		ivas_mct_core_dec( hMCT, st_ivas->hCPE, nCPE, output );

		/* for sba to stereo output disable any further processing for TCs > 2 as it is not needed*/
		#ifdef OSBA_MONO_STEREO_OUTPUT
		if ( st_ivas->sba_dirac_stereo_flag && st_ivas->ivas_format != SBA_ISM_FORMAT )
		#else
		if ( st_ivas->sba_dirac_stereo_flag )
		#endif
		{
		for ( cpe_id = 1; cpe_id < nCPE; cpe_id++ )
		{
		@@ -226,14 +230,21 @@ ivas_error ivas_mct_dec(

		for ( n = 0; n < CPE_CHANNELS; n++ )
		{

		#ifdef OSBA_MONO_STEREO_OUTPUT
		if ( st_ivas->sba_dirac_stereo_flag && ( st_ivas->ivas_format != SBA_ISM_FORMAT \|\| cpe_id >= nCPE - 2 ) )
		#else
		if ( st_ivas->sba_dirac_stereo_flag )
		#endif
		{
		ivas_post_proc( NULL, hCPE, n, synth[n], NULL, output_frame, 1 );
		}

		/* Postprocessing for ACELP/MDCT core switching and synchronization */
		#ifdef OSBA_MONO_STEREO_OUTPUT
		if ( ( error = core_switching_post_dec( sts[n], synth[n], output[cpe_id * CPE_CHANNELS + n], hCPE->output_mem[1], st_ivas->ivas_format, 0, output_frame, 0 /core_switching_flag/, (st_ivas->ivas_format != SBA_ISM_FORMAT \|\| cpe_id >= nCPE - 2) ? st_ivas->sba_dirac_stereo_flag : 0, -1, hCPE->last_element_mode ) ) != IVAS_ERR_OK )
		#else
		if ( ( error = core_switching_post_dec( sts[n], synth[n], output[cpe_id * CPE_CHANNELS + n], hCPE->output_mem[1], st_ivas->ivas_format, 0, output_frame, 0 /core_switching_flag/, st_ivas->sba_dirac_stereo_flag, -1, hCPE->last_element_mode ) ) != IVAS_ERR_OK )
		#endif
		{
		return error;
		}
		@@ -254,7 +265,11 @@ ivas_error ivas_mct_dec(


		/* synthesis synchronization between stereo modes */
		#ifdef OSBA_MONO_STEREO_OUTPUT
		if ( !st_ivas->sba_dirac_stereo_flag \|\| ( st_ivas->ivas_format == SBA_ISM_FORMAT && cpe_id < nCPE - 2 ) )
		#else
		if ( !st_ivas->sba_dirac_stereo_flag )
		#endif
		{
		synchro_synthesis( ivas_total_brate, hCPE, output + cpe_id * CPE_CHANNELS, output_frame, 0 );
		}

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