Merge branch '114-bitrate-switching-in-sba-reconfig' into 'main' (df4af9ec) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_cnst.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -920,7 +920,7 @@ typedef enum
		{
		DIRAC_OPEN, /* initialize to default value */
		DIRAC_RECONFIGURE /* HOA3 */
		#ifdef SBA_BR_SWITCHING_2
		#ifdef SBA_BR_SWITCHING
		,
		DIRAC_RECONFIGURE_MODE
		#endif

lib_com/ivas_prot.h

+26 −28

Original line number	Diff line number	Diff line
		@@ -105,6 +105,30 @@ ivas_error mct_enc_reconfigure(
		Encoder_Struct st_ivas, / i/o: IVAS encoder structure */
		const uint16_t b_nchan_change /* i : flag indicating different channel count */
		);
		#ifndef SBA_BR_SWITCHING_RECONFIG
		#ifdef SBA_BR_SWITCHING
		ivas_error ivas_sba_enc_reinit(
		Encoder_Struct st_ivas / i/o: IVAS encoder structure */
		);
		#endif
		#endif
		#ifndef SBA_BR_SWITCHING_RECONFIG
		#ifdef SBA_BR_SWITCHING
		int16_t get_sba_reinit_flag(
		int32_t ivas_total_bitrate, /* i : Current bitrate */
		int32_t last_ivas_total_brate /* i : Previous bitrate */
		, int16_t sba_order
		);
		#endif
		#endif
		#ifdef SBA_BR_SWITCHING
		ivas_error ivas_spar_md_enc_init
		(
		ivas_spar_md_enc_state_t hMdEnc, / o : MD encoder handle */
		const ENCODER_CONFIG_HANDLE hEncoderConfig, /* i : configuration structure */
		const int16_t sba_order /* i : Ambisonic (SBA) order */
		);
		#endif
		ivas_error ivas_sba_enc_reconfigure(
		Encoder_Struct st_ivas / i/o: IVAS encoder structure */
		);
		@@ -3104,42 +3128,16 @@ void ivas_sba_config(
		int16_t element_mode / o : element mode of the core coder */
		);

		ivas_error ivas_sba_enc_reconfigure(
		Encoder_Struct st_ivas / i/o: IVAS encoder structure */
		);

		#ifdef SBA_BR_SWITCHING
		ivas_error ivas_sba_enc_reinit(
		Encoder_Struct st_ivas / i/o: IVAS encoder structure */
		);

		int16_t get_sba_reinit_flag(
		int32_t ivas_total_bitrate, /* i : Current bitrate */
		int32_t last_ivas_total_brate /* i : Previous bitrate */
		#ifdef SBA_BR_SWITCHING_2
		, const int16_t sba_order
		#endif
		);
		#endif
		#ifdef SBA_BR_SWITCHING_2
		ivas_error ivas_spar_md_enc_init
		(
		ivas_spar_md_enc_state_t hMdEnc, / o : MD encoder handle */
		const ENCODER_CONFIG_HANDLE hEncoderConfig, /* i : configuration structure */
		const int16_t sba_order /* i : Ambisonic (SBA) order */
		);
		#endif

		ivas_error ivas_sba_dec_reconfigure(
		Decoder_Struct st_ivas / i/o: IVAS decoder structure */
		);

		#ifndef SBA_BR_SWITCHING_RECONFIG
		#ifdef SBA_BR_SWITCHING
		ivas_error ivas_sba_dec_reinit(
		Decoder_Struct st_ivas / i/o: IVAS decoder structure */
		);
		#endif

		#endif

		void ivas_init_dec_get_num_cldfb_instances(
		Decoder_Struct st_ivas, / i : IVAS decoder structure */

lib_com/ivas_sba_config.c

+5 −17

Original line number	Diff line number	Diff line
		@@ -71,7 +71,7 @@ SBA_MODE ivas_sba_mode_select(

		return sba_mode;
		}

		#ifndef SBA_BR_SWITCHING_RECONFIG
		#ifdef SBA_BR_SWITCHING
		/-------------------------------------------------------------------
		* get_sba_reinit_flag()
		@@ -81,23 +81,14 @@ SBA_MODE ivas_sba_mode_select(

		int16_t get_sba_reinit_flag(
		int32_t ivas_total_bitrate, /* i : Current bitrate */
		int32_t last_ivas_total_brate /* i : Previous bitrate */
		#ifdef SBA_BR_SWITCHING_2
		,
		const int16_t sba_order
		#endif
		)
		int32_t last_ivas_total_brate, /* i : Previous bitrate */
		int16_t sba_order )
		{
		int16_t sba_reinit_flag;

		sba_reinit_flag = 0;
		#ifdef SBA_BR_SWITCHING_2
		if ( ivas_total_bitrate != last_ivas_total_brate && ( ivas_total_bitrate > IVAS_SID_5k2 ) )
		#else
		if ( ivas_total_bitrate != last_ivas_total_brate && ( last_ivas_total_brate > IVAS_SID_5k2 ) && ( ivas_total_bitrate > IVAS_SID_5k2 ) )
		#endif
		{
		#ifdef SBA_BR_SWITCHING_2
		int16_t sba_analysis_order, nchan_transport_old, nchan_transport_new;
		SBA_MODE last_sba_mode, current_sba_mode;
		sba_analysis_order = ivas_sba_get_analysis_order( last_ivas_total_brate, sba_order );
		@@ -108,17 +99,14 @@ int16_t get_sba_reinit_flag(
		nchan_transport_new = ivas_get_sba_num_TCs( ivas_total_bitrate, min( sba_analysis_order, IVAS_MAX_SBA_ORDER ) );
		if ( ( current_sba_mode != last_sba_mode ) \|\| ( nchan_transport_new != nchan_transport_old ) )
		{
		#endif
		sba_reinit_flag = 1;
		#ifdef SBA_BR_SWITCHING_2
		}
		#endif
		}

		return sba_reinit_flag;
		}
		#endif

		#endif
		/-------------------------------------------------------------------
		* ivas_sba_config()
		*

lib_com/options.h

+4 −2

Original line number	Diff line number	Diff line
		@@ -141,8 +141,10 @@
		#define DISABLE_ADAP_RES_COD_TMP /* temporary fix for IVAS-403, disables adaptive residual coding */
		/#define ITD_WINNER_GAIN_MODIFY / /* ITD optimization - WORK IN PROGRESS */
		/#define FIX_I4_OL_PITCH/ /* fix open-loop pitch used for EVS core switching */
		#define SBA_BR_SWITCHING_2 /* Issue 114: Changes for sba bit rate switching with reconfigurations*/
		#define SBA_BR_SWITCHING /* Issue 114: Changes for sba bit rate switching*/
		#define SBA_BR_SWITCHING /* Issue 114: Changes for SBA bit rate switching with reconfiguration for bitrates with same number of transport channels*/
		#ifdef SBA_BR_SWITCHING
		#define SBA_BR_SWITCHING_RECONFIG /* Issue 114: Changes for SBA bitrate switching with reconfiguration for bitrates with different number of transport channels*/
		#endif
		#define BRATE_SWITCHING_RENDERING /* Bitrate switching changes related to the renderers */
		#define FIX_I59_DELAY_ROUNDING /* Issue 59: rounding in sample domain instead of nanosec for IVAS_ENC_GetDelay() and IVAS_DEC_GetDelay() */
		#define FIX_FIX_I59 /* Issue 59: small fix concerning LFE delay rounding */

lib_dec/ivas_corecoder_dec_reconfig.c

+11 −2

Original line number	Diff line number	Diff line
		@@ -296,7 +296,10 @@ ivas_error ivas_corecoder_dec_reconfig(
		st_ivas->hCPE[st_ivas->nCPE - 1]->hStereoMdct->use_itd = 0;
		st_ivas->hCPE[st_ivas->nCPE - 1]->hStereoMdct->reverse_dmx = 0;
		st_ivas->hCPE[st_ivas->nCPE - 1]->hStereoMdct->smooth_ratio = 1.f;

		#ifdef SBA_BR_SWITCHING_RECONFIG
		st_ivas->hCPE[st_ivas->nCPE - 1]->hStereoMdct->IGFStereoMode[0] = -1;
		st_ivas->hCPE[st_ivas->nCPE - 1]->hStereoMdct->IGFStereoMode[1] = -1;
		#endif
		for ( n = 0; n < CPE_CHANNELS; n++ )
		{
		/* reset mct_chan_mode */
		@@ -560,7 +563,13 @@ ivas_error ivas_cldfb_dec_reconfig(
		}
		}
		}

		#ifdef SBA_BR_SWITCHING_RECONFIG
		/* CLDFB Interpolation weights */
		if ( st_ivas->sba_mode == SBA_MODE_SPAR && ( numCldfbAnalyses_old != numCldfbAnalyses \|\| numCldfbSyntheses_old != numCldfbSyntheses \|\| nchan_transport_old != st_ivas->nchan_transport ) )
		{
		ivas_spar_get_cldfb_gains( st_ivas->hSpar, st_ivas->cldfbAnaDec[0], st_ivas->cldfbSynDec[0], hDecoderConfig );
		}
		#endif
		return IVAS_ERR_OK;
		}
		#endif

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