- introduce hISMDTX handle (069a9b80) · Commits · IVAS Codec Public Collaboration / IVAS Codec

lib_com/ivas_prot.h

+5 −2

Original line number	Diff line number	Diff line
		@@ -952,6 +952,7 @@ ivas_error ivas_ism_dtx_open(
		void ivas_param_ism_metadata_dtx_enc(
		BSTR_ENC_HANDLE hBstr, /* i/o: bitstream handle */
		ISM_METADATA_HANDLE hIsmMeta[], /* i : ISM metadata handles */
		ISM_DTX_HANDLE hISMDTX, /* i/o: ISM DTX handle */
		PARAM_ISM_CONFIG_HANDLE hParamIsm /* i : Param ISM Enc Handle */
		);

		@@ -959,8 +960,10 @@ void ivas_param_ism_metadata_dtx_dec(
		Decoder_Struct st_ivas / i/o: IVAS decoder structure */
		);

		void ivas_param_ism_get_sce_id_dtx(
		Encoder_Struct st_ivas, / i/o: IVAS encoder structure */
		void ivas_ism_get_sce_id_dtx(
		ISM_DTX_HANDLE hISMDTX, /* i/o: ISM DTX handle */
		SCE_ENC_HANDLE hSCE[MAX_SCE], /* i/o: SCE encoder structure */
		const int16_t nchan_transport, /* i : number of transport channels */
		const int16_t input_frame /* i : input frame length per channel */
		);

lib_com/ivas_stat_com.h

+0 −9

Original line number	Diff line number	Diff line
		@@ -146,15 +146,6 @@ typedef struct ivas_param_ism_data_structure
		int16_t flag_noisy_speech;
		int16_t noisy_speech_buffer[PARAM_ISM_HYS_BUF_SIZE];

		#ifdef PARAM_ISM_DTX_CNG
		int16_t paramISM_DTX_CNG_FLAG;
		int16_t sce_id_dtx;
		int16_t dtx_speech_buffer_enc[PARAM_ISM_HYS_BUF_SIZE];

		float long_term_energy_stereo_dmx_enc[PARAM_ISM_MAX_DMX][PARAM_ISM_HYS_BUF_SIZE];
		float coh;
		#endif

		} PARAM_ISM_CONFIG_DATA, *PARAM_ISM_CONFIG_HANDLE;

lib_dec/ivas_ism_param_dec.c

+30 −23

Original line number	Diff line number	Diff line
		@@ -157,6 +157,9 @@ static void ivas_ism_get_proto_matrix(

		static void ivas_param_ism_compute_mixing_matrix(
		DIRAC_DEC_HANDLE hDirAC, /* i/o: decoder DirAC handle */
		#ifdef PARAM_ISM_DTX_CNG
		ISM_DTX_DATA_DEC hISMDTX, /* i : ISM DTX handle */
		#endif
		float Cldfb_RealBuffer_in[PARAM_ISM_MAX_DMX][CLDFB_NO_COL_MAX][CLDFB_NO_CHANNELS_MAX],
		float Cldfb_ImagBuffer_in[PARAM_ISM_MAX_DMX][CLDFB_NO_COL_MAX][CLDFB_NO_CHANNELS_MAX],
		float direct_response[MAX_NUM_OBJECTS][PARAM_ISM_MAX_CHAN],
		@@ -185,7 +188,7 @@ static void ivas_param_ism_compute_mixing_matrix(
		assert( nchan_transport == 2 );

		#ifdef PARAM_ISM_DTX_CNG
		if ( hDirAC->hParamIsm->flag_noisy_speech \|\| hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG )
		if ( hDirAC->hParamIsm->flag_noisy_speech \|\| hISMDTX.dtx_flag )
		#else
		if ( hDirAC->hParamIsm->flag_noisy_speech )
		#endif
		@@ -211,7 +214,7 @@ static void ivas_param_ism_compute_mixing_matrix(
		set_zero( cy_diag_tmp[w], nchan_out_woLFE );

		#ifdef PARAM_ISM_DTX_CNG
		if ( hDirAC->hParamIsm->flag_noisy_speech \|\| hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG )
		if ( hDirAC->hParamIsm->flag_noisy_speech \|\| hISMDTX.dtx_flag )
		#else
		if ( hDirAC->hParamIsm->flag_noisy_speech )
		#endif
		@@ -254,7 +257,7 @@ static void ivas_param_ism_compute_mixing_matrix(
		for ( w = 0; w < num_wave; w++ )
		{
		#ifdef PARAM_ISM_DTX_CNG
		if ( hDirAC->hParamIsm->flag_noisy_speech \|\| hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG )
		if ( hDirAC->hParamIsm->flag_noisy_speech \|\| hISMDTX.dtx_flag )
		#else
		if ( hDirAC->hParamIsm->flag_noisy_speech )
		#endif
		@@ -545,7 +548,7 @@ ivas_error ivas_param_ism_dec_open(
		}

		#ifdef PARAM_ISM_DTX_CNG
		hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG = 0;
		st_ivas->hISMDTX.dtx_flag = 0;
		#endif

		st_ivas->hDirAC = hDirAC;
		@@ -796,11 +799,11 @@ void ivas_param_ism_dec(
		{
		ivas_param_ism_dec_dequant_DOA( hDirAC );
		ivas_param_ism_dec_dequant_powrat( hDirAC );
		hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG = 0;
		st_ivas->hISMDTX.dtx_flag = 0;
		}
		else
		{
		hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG = 1;
		st_ivas->hISMDTX.dtx_flag = 1;
		}
		#else
		ivas_param_ism_dec_dequant_DOA( hDirAC );
		@@ -868,7 +871,11 @@ void ivas_param_ism_dec(
		}

		/* Compute mixing matrix */
		#ifdef PARAM_ISM_DTX_CNG
		ivas_param_ism_compute_mixing_matrix( hDirAC, st_ivas->hISMDTX, Cldfb_RealBuffer_in, Cldfb_ImagBuffer_in, direct_response, nchan_transport, nchan_out_woLFE, 0, CLDFB_NO_COL_MAX, mixing_matrix );
		#else
		ivas_param_ism_compute_mixing_matrix( hDirAC, Cldfb_RealBuffer_in, Cldfb_ImagBuffer_in, direct_response, nchan_transport, nchan_out_woLFE, 0, CLDFB_NO_COL_MAX, mixing_matrix );
		#endif

		/* subframe loop for synthesis*/
		for ( subframe_idx = 0; subframe_idx < hDirAC->nb_subframes; subframe_idx++ )
		@@ -988,11 +995,11 @@ void ivas_param_ism_params_to_masa_param_mapping(
		{
		ivas_param_ism_dec_dequant_DOA( hDirAC );
		ivas_param_ism_dec_dequant_powrat( hDirAC );
		hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG = 0;
		st_ivas->hISMDTX.dtx_flag = 0;
		}
		else
		{
		hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG = 1;
		st_ivas->hISMDTX.dtx_flag = 1;
		}
		#else
		ivas_param_ism_dec_dequant_DOA( hDirAC );
		@@ -1002,7 +1009,7 @@ void ivas_param_ism_params_to_masa_param_mapping(
		if ( hDirAC->hParamIsm->num_obj > 1 )
		{
		#ifdef PARAM_ISM_DTX_CNG
		if ( hDirAC->hParamIsm->paramISM_DTX_CNG_FLAG )
		if ( st_ivas->hISMDTX.dtx_flag )
		{
		float energy_ratio;
		energy_ratio = powf( st_ivas->hSCE[0]->hCoreCoder[0]->hFdCngDec->hFdCngCom->coherence, 2.0f );
		@@ -1449,7 +1456,7 @@ void ivas_param_ism_metadata_dtx_dec(
		hParamIsm->flag_noisy_speech = get_next_indice( st0, 1 );

		/* read sce id */
		hParamIsm->sce_id_dtx = get_next_indice( st0, 1 );
		st_ivas->hISMDTX.sce_id_dtx = get_next_indice( st0, 1 );

		/* get the DOA'S */
		for ( i = 0; i < hParamIsm->num_obj; i++ )

lib_dec/ivas_sce_dec.c

+9 −8

Original line number	Diff line number	Diff line
		@@ -68,7 +68,7 @@ static ivas_error ivas_ism_preprocessing(
		/* reset the bitstream to atleast read the cng type and bandwidth for non transmitted SCE */
		st->bit_stream = st_ivas->hSCE[0]->hCoreCoder[0]->bit_stream;

		if (sce_id == st_ivas->hDirAC->hParamIsm->sce_id_dtx)
		if ( sce_id == st_ivas->hISMDTX.sce_id_dtx )
		{
		st->read_sid_info = 1; /* read the sid info from bitstream */
		}
		@@ -88,6 +88,7 @@ static ivas_error ivas_ism_preprocessing(
		}
		#endif


		/--------------------------------------------------------------------------
		* ivas_sce_dec()
		*

lib_dec/ivas_stat_dec.h

+16 −0

Original line number	Diff line number	Diff line
		@@ -414,6 +414,19 @@ typedef struct stereo_icbwe_dec_data_structure
		} STEREO_ICBWE_DEC_DATA, *STEREO_ICBWE_DEC_HANDLE;


		#ifdef PARAM_ISM_DTX_CNG
		/----------------------------------------------------------------------------------
		* ISM DTX structure
		----------------------------------------------------------------------------------/

		typedef struct
		{
		int16_t dtx_flag;
		int16_t sce_id_dtx;

		} ISM_DTX_DATA_DEC;
		#endif

		/----------------------------------------------------------------------------------
		* DirAC decoder structure
		----------------------------------------------------------------------------------/
		@@ -1936,6 +1949,9 @@ typedef struct Decoder_Struct

		/* multichannel modules */
		ISM_METADATA_HANDLE hIsmMetaData[MAX_NUM_OBJECTS]; /* ISM metadata handles (storage for one frame of read ISM metadata) */
		#ifdef PARAM_ISM_DTX_CNG
		ISM_DTX_DATA_DEC hISMDTX; /* ISM DTX structure */
		#endif
		ISM_RENDERER_HANDLE hIsmRendererData; /* ISM renderer handle */
		DIRAC_DEC_HANDLE hDirAC; /* DirAC handle */
		SPAR_DEC_HANDLE hSpar; /* SPAR handle */

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