commit 1 (8e7e4123) · Commits · SA4 / Audio / IVAS BASOP

lib_com/cldfb.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -61,7 +61,9 @@ static void cldfb_init_proto_and_twiddles( HANDLE_CLDFB_FILTER_BANK hs );

		static void cldfb_init_proto_and_twiddles_enc( HANDLE_CLDFB_FILTER_BANK hs );

		#ifndef IVAS_FLOAT_FIXED
		static float GetEnergyCldfb_ivas( float energyValuesSum, float energyLookahead, float realValues, float imagValues, const int16_t numberBands, int16_t numberCols, TEC_ENC_HANDLE hTecEnc );
		#endif

		/-------------------------------------------------------------------
		* cplxMult()
		@@ -1917,6 +1919,7 @@ void resampleCldfb_ivas_fx(
		}
		#endif

		#ifndef IVAS_FLOAT_FIXED
		/-------------------------------------------------------------------
		* analysisCLDFBEncoder()
		*
		@@ -1947,6 +1950,7 @@ void analysisCldfbEncoder_ivas(

		return;
		}
		#endif

		void analysisCldfbEncoder_ivas_fx(
		Encoder_State st, / i/o: encoder state structure */
		@@ -2005,6 +2009,8 @@ void analysisCldfbEncoder_ivas_fx(

		return;
		}

		#ifndef IVAS_FLOAT_FIXED
		/-------------------------------------------------------------------
		* GetEnergyCldfb_ivas()
		*
		@@ -2078,6 +2084,7 @@ static float GetEnergyCldfb_ivas(

		return 65535.0f;
		}
		#endif


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

lib_com/ivas_filters.c

+28 −22

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@
		#ifndef IVAS_FLOAT_FIXED
		static void ivas_iir_2_filter( ivas_filters_process_state_t filter_state, float pIn_Out, const int16_t length, const int16_t stage );
		#else
		static void ivas_iir_2_filter_fx( ivas_filters_process_state_t filter_state, Word32 pIn_Out_fx, const Word16 length, const Word16 stage, Word16 q_fcator );
		static void ivas_iir_2_filter_fx( ivas_filters_process_state_t filter_state, Word32 pIn_Out_fx, const Word16 length, const Word16 stage, Word16 *pIn_Out_e );
		#endif
		/-----------------------------------------------------------------------------------------
		* Function ivas_filters_init()
		@@ -237,17 +237,33 @@ void ivas_filter_process_fx(
		const Word16 length, /* i : filter order */
		Word16 q_factor )
		{
		Word16 pIn_Out_e[L_FRAME_MAX];
		Word16 i;
		SWITCH( filter_state->order )
		{
		case IVAS_FILTER_ORDER_1:
		case IVAS_FILTER_ORDER_2:
		ivas_iir_2_filter_fx( filter_state, pIn_Out_fx, length, IVAS_FILTER_STAGE_0, q_factor );
		set_val_Word16( pIn_Out_e, sub( Q31, q_factor ), length );
		ivas_iir_2_filter_fx( filter_state, pIn_Out_fx, length, IVAS_FILTER_STAGE_0, pIn_Out_e );
		/* Scale pIn_Out_fx back to input Q */
		FOR( i = 0; i < length; i++ )
		{
		pIn_Out_fx[i] = L_shr_r_sat( pIn_Out_fx[i], sub( sub( 31, q_factor ), pIn_Out_e[i] ) );
		move32();
		}
		BREAK;
		case IVAS_FILTER_ORDER_4:
		set_val_Word16( pIn_Out_e, sub( Q31, q_factor ), length );
		/* biquad-1 */
		ivas_iir_2_filter_fx( filter_state, pIn_Out_fx, length, IVAS_FILTER_STAGE_0, q_factor );
		ivas_iir_2_filter_fx( filter_state, pIn_Out_fx, length, IVAS_FILTER_STAGE_0, pIn_Out_e );
		/* biquad-2 */
		ivas_iir_2_filter_fx( filter_state, pIn_Out_fx, length, IVAS_FILTER_STAGE_1, q_factor );
		ivas_iir_2_filter_fx( filter_state, pIn_Out_fx, length, IVAS_FILTER_STAGE_1, pIn_Out_e );
		/* Scale pIn_Out_fx back to input Q */
		FOR( i = 0; i < length; i++ )
		{
		pIn_Out_fx[i] = L_shr_r_sat( pIn_Out_fx[i], sub( sub( 31, q_factor ), pIn_Out_e[i] ) );
		move32();
		}
		BREAK;
		default:
		BREAK;
		@@ -295,54 +311,44 @@ static void ivas_iir_2_filter_fx(
		Word32 *pIn_Out_fx,
		const Word16 length,
		const Word16 stage,
		Word16 q_factor )
		Word16 *pIn_Out_e )
		{
		Word16 i, j;

		Word32 *pIn_fx = pIn_Out_fx;
		Word32 *pOut_fx = pIn_Out_fx;
		Word16 pOut_e;
		Word32 tmp_pIn_buf_i_fx;
		Word16 tmp_pIn_buf_i_e;

		Word32 L_tmp_prod, L_tmp;
		Word16 L_prod_e, L_tmp_e;

		move16();
		move16();

		FOR( i = 0; i < length; i++ )
		{
		tmp_pIn_buf_i_fx = pIn_fx[i];
		move32();
		tmp_pIn_buf_i_e = pIn_Out_e[i];
		move16();

		L_tmp_prod = Mpy_32_32( filter_state->num_fx[stage][0], pIn_fx[i] );
		L_prod_e = sub( 31, sub( q_factor, filter_state->num_e[stage][0] ) ); // 31 - ( ( q_factor + ( 31 - filter_state->num_e[stage][0] ) ) - 31 )
		L_prod_e = add( pIn_Out_e[i], filter_state->num_e[stage][0] );

		pOut_fx[i] = BASOP_Util_Add_Mant32Exp( filter_state->state_fx[stage][0], filter_state->state_e[stage][0], L_tmp_prod, L_prod_e, &pOut_e );
		pOut_fx[i] = BASOP_Util_Add_Mant32Exp( filter_state->state_fx[stage][0], filter_state->state_e[stage][0], L_tmp_prod, L_prod_e, &pIn_Out_e[i] );
		move32();

		FOR( j = 1; j < filter_state->filt_len; j++ )
		{
		L_tmp_prod = Mpy_32_32( filter_state->num_fx[stage][j], tmp_pIn_buf_i_fx );
		L_prod_e = sub( 31, sub( q_factor, filter_state->num_e[stage][j] ) ); // 31 - ( ( q_factor + ( 31 - filter_state->num_e[stage][j] ) ) - 31 )
		L_prod_e = add( filter_state->num_e[stage][j], tmp_pIn_buf_i_e );

		L_tmp = BASOP_Util_Add_Mant32Exp( filter_state->state_fx[stage][j], filter_state->state_e[stage][j], L_tmp_prod, L_prod_e, &L_tmp_e );

		L_tmp_prod = Mpy_32_32( filter_state->den_fx[stage][j], pOut_fx[i] );
		L_prod_e = add( pOut_e, filter_state->den_e[stage][j] ); // 31 - ( ( ( 31 - pOut_e ) + ( 31 - filter_state->den_e[stage][j] ) ) - 31 );
		L_prod_e = add( pIn_Out_e[i], filter_state->den_e[stage][j] );

		filter_state->state_fx[stage][j - 1] = BASOP_Util_Add_Mant32Exp( L_tmp, L_tmp_e, L_negate( L_tmp_prod ), L_prod_e, &filter_state->state_e[stage][j - 1] );
		move32();
		}

		/* Scaling pOut_fx to Q11 */
		pOut_fx[i] = L_shr_sat( pOut_fx[i], sub( sub( 31, q_factor ), pOut_e ) );
		move32();
		IF( pOut_fx[i] < 0 )
		{
		pOut_fx[i] = L_add( pOut_fx[i], 1 );
		move32();
		}
		}
		}
		#endif

lib_com/ivas_prot.h

+12 −0

Original line number	Diff line number	Diff line
		@@ -4399,12 +4399,14 @@ void reset_metadata_spatial(
		);

		/! r: number of bits written /
		#ifndef IVAS_FLOAT_FIXED
		void ivas_qmetadata_enc_sid_encode(
		BSTR_ENC_HANDLE hMetaData, /* i/o: metadata bitstream handle */
		IVAS_QMETADATA q_metadata, / i/o: metadata handle */
		const int16_t masa_sid_descriptor, /* i : description of MASA SID coding structure*/
		const int16_t ivas_format /* i : ivas format */
		);
		#endif

		/! r: number of bits read /
		int16_t ivas_qmetadata_dec_decode(
		@@ -4535,6 +4537,16 @@ uint16_t quantize_direction(
		const MC_LS_SETUP mc_format /* i : channel format if in MC-mode */
		);

		#ifdef IVAS_FLOAT_FIXED
		Word16 quantize_direction2D_fx(
		Word32 phi, /* i : input azimuth value Q22 */
		const Word16 no_cw, /* i : number of bits */
		Word32 phi_q, / o : quantized azimuth value Q22 */
		UWord16 index_phi, / o : quantized azimuth index */
		const MC_LS_SETUP mc_format /* i : channel format if in MC-mode */
		);
		#endif

		int16_t quantize_direction2D(
		float phi, /* i : input azimuth value */
		const int16_t no_cw, /* i : number of bits */

lib_com/ivas_prot_fx.h

+14 −0

Original line number	Diff line number	Diff line
		@@ -3373,4 +3373,18 @@ void ivas_merge_masa_metadata_fx(
		MASA_ENCODER_HANDLE hMasa, /* i/o: MASA enc handle. source for MASA metadata and combined metadata will be here */
		OMASA_SPATIAL_META_HANDLE hOMasaMeta /* i : ISM-object metadata to be merged with the MASA metadata */
		);

		/! r: number of bits written /
		void ivas_qmetadata_enc_sid_encode_fx(
		BSTR_ENC_HANDLE hMetaData, /* i/o: metadata bitstream handle */
		IVAS_QMETADATA q_metadata, / i/o: metadata handle */
		const Word16 masa_sid_descriptor, /* i : description of MASA SID coding structure*/
		const Word16 ivas_format /* i : ivas format */
		);
		void ivas_param_mc_enc_fx(
		Encoder_Struct st_ivas, / i/o: IVAS Encoder handle */
		BSTR_ENC_HANDLE hMetaData, /* i/o: IVAS Metadata bitstream handle */
		Word32 data_f_fx[], / i/o: input/transport MC data Q11 */
		const Word16 input_frame /* i : input frame length */
		);
		#endif

lib_com/ivas_rom_com_fx.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -482,6 +482,8 @@ const Word32 dft_res_gains_q_fx[][2] = {
		{ (Word32)( 0x7fff5800 ), (Word32)( 0x00cf398f ) },

		};

		// Q13
		const Word16 McMASA_LFEGain_vectors_fx_q13[64] = {
		3112, 2703, 1556, 1638, -1310, -1802, -2867, -2785,
		4096, 4096, 4096, 4096, -6553, -3276, 8355, 819,
		@@ -493,6 +495,26 @@ const Word16 McMASA_LFEGain_vectors_fx_q13[64] = {
		-6553, -12943, 6717, 11632, -17530, 2129, 6881, 8355
		};

		// Q25
		const Word32 McMASA_LFEGain_vectors_fx_q25[64] = {
		12750684, 11072963, 6375342, 6710886, /* 1st bit */
		-5368709, -7381975, -11744051, -11408507,
		16777216, 16777216, 16777216, 16777216, /* 2nd bit*/
		-26843546, -13421773, 34225521, 3355443,
		-16777216, -16777216, -16777216, -16777216, /* 3rd bit */
		-18790482, -4026532, -26172457, 45634028,
		-34225521, 39594230, -19126026, 11072963,
		24159191, -37916508, 32547799, -20803748,
		-30534533, 31205622, 33554432, -36909875, /* 4th bit*/
		58049167, -7717519, -26172457, -28185723,
		31876710, -53687091, -11408507, 31205622,
		29192356, 15770583, -63753421, 17448305,
		22481469, 47647293, -32547799, -41607496,
		27850179, 19461571, 20468204, -68451041,
		-26843546, -53016003, 27514634, 47647293,
		-71806484, 8724152, 28185723, 34225521
		};

		/*
		This lookup table is calculated from, and therefore
		depends on the following macros: