Changes for fixed path for ivas_param_ism_compute_mixing_matrix_fx and computeMixingMatricesISM_fx. (e5967b43) · Commits · SA4 / Audio / IVAS BASOP

lib_com/cnst.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -2016,6 +2016,8 @@ typedef enum _DCTTYPE
		#define EPSILON_FX_SMALL 1
		#define EPSILON_FIX (1)
		#define EPSILON_FX (Word32)1
		#define EPSILON_FX_M 1208925819
		#define EPSILON_FX_E -49


		#define MAX_SEGMENT_LENGTH 480

lib_com/ivas_prot.h

+48 −3

Original line number	Diff line number	Diff line
		@@ -1333,7 +1333,7 @@ void ivas_ism_dec_digest_tc(
		);

		#ifdef IVAS_FLOAT_FIXED
		void ivas_param_ism_dec_digest_tc(
		void ivas_param_ism_dec_digest_tc_fx(
		Decoder_Struct st_ivas, / i/o: IVAS decoder handle */
		const UWord16 nCldfbSlots, /* i : number of CLFBS slots in the transport channels */
		Word32 transport_channels_f[] / i : synthesized core-coder transport channels/DirAC output */
		@@ -3436,6 +3436,15 @@ void v_min(
		const int16_t N /* i : Vector length */
		);

		#ifdef IVAS_FLOAT_FIXED
		void v_sqrt_fx(
		const Word32 x[], /* i : Input vector */
		Word16 exp[],
		Word32 y[], /* o : Output vector that contains sqrt(x) */
		const Word16 N /* i : Vector length */
		);
		#endif

		void v_sqrt(
		const float x[], /* i : Input vector */
		float y[], /* o : Output vector that contains sqrt(x) */
		@@ -4807,6 +4816,21 @@ int16_t matrix_product(
		);

		#ifdef IVAS_FLOAT_FIXED
		Word16 matrix_product_mant_exp_fx(
		const Word32 X_fx, / i : left hand matrix */
		const Word16 X_fx_e, /* i : left hand matrix */
		const Word16 rowsX, /* i : number of rows of the left hand matrix */
		const Word16 colsX, /* i : number of columns of the left hand matrix */
		const Word16 transpX, /* i : flag indicating the transposition of the left hand matrix prior to the multiplication */
		const Word32 Y_fx, / i : right hand matrix */
		const Word16 Y_fx_e, /* i : right hand matrix */
		const Word16 rowsY, /* i : number of rows of the right hand matrix */
		const Word16 colsY, /* i : number of columns of the right hand matrix */
		const Word16 transpY, /* i : flag indicating the transposition of the right hand matrix prior to the multiplication */
		Word32 Z_fx, / o : resulting matrix after the matrix multiplication */
		Word16 Z_fx_e / o : resulting matrix after the matrix multiplication */
		);

		Word16 matrix_product_fx(
		const Word32 X_fx, / i : left hand matrix */
		const Word16 rowsX, /* i : number of rows of the left hand matrix */
		@@ -5114,6 +5138,26 @@ void ivas_dirac_dec_output_synthesis_cov_param_mc_synthesise_slot_fx(
		);
		#endif

		#ifdef IVAS_FLOAT_FIXED
		Word16 computeMixingMatricesISM_fx(
		const Word16 num_inputs,
		const Word16 num_responses,
		const Word16 num_outputs,
		const Word32 *responses_fx,
		const Word16 responses_e,
		const Word32 *ener_fx,
		const Word16 ener_e,
		const Word32 *Cx_diag_fx,
		const Word16 Cx_diag_e,
		const Word32 *Cy_diag_fx,
		const Word16 Cy_diag_e,
		const Word16 *Q_16fx, //Q15
		const Word16 energy_compensation_flag,
		const Word32 reg_Sx_fx,
		const Word32 reg_ghat_fx,
		Word32 *mixing_matrix_fx,
		Word16 *mixing_matrix_e);
		#else
		int16_t computeMixingMatricesISM(
		const int16_t num_inputs,
		const int16_t num_responses,
		@@ -5128,6 +5172,7 @@ int16_t computeMixingMatricesISM(
		const float reg_ghat,
		float *mixing_matrix
		);
		#endif

		void FdCngEncodeDiracMDCTStereoSID(
		CPE_ENC_HANDLE hCPE /* i/o: CPE encoder state structure */

lib_com/ivas_tools.c

+264 −93

Original line number	Diff line number	Diff line
		@@ -778,6 +778,24 @@ void v_min(
		*
		* square root of vector
		-------------------------------------------------------------------/
		#ifdef IVAS_FLOAT_FIXED
		void v_sqrt_fx(
		const Word32 x[], /* i : Input vector */
		Word16 exp[],
		Word32 y[], /* o : Output vector that contains sqrt(x) */
		const Word16 N /* i : Vector length */
		)
		{
		Word16 i;

		FOR( i = 0; i < N; i++ )
		{
		y[i] = Sqrt32( x[i], &exp[i] );
		}

		return;
		}
		#endif

		void v_sqrt(
		const float x[], /* i : Input vector */
		@@ -1275,6 +1293,159 @@ int16_t matrix_product(
		}

		#ifdef IVAS_FLOAT_FIXED
		Word16 matrix_product_mant_exp_fx(
		const Word32 X_fx, / i : left hand matrix */
		const Word16 X_fx_e, /* i : left hand matrix */
		const Word16 rowsX, /* i : number of rows of the left hand matrix */
		const Word16 colsX, /* i : number of columns of the left hand matrix */
		const Word16 transpX, /* i : flag indicating the transposition of the left hand matrix prior to the multiplication */
		const Word32 Y_fx, / i : right hand matrix */
		const Word16 Y_fx_e, /* i : right hand matrix */
		const Word16 rowsY, /* i : number of rows of the right hand matrix */
		const Word16 colsY, /* i : number of columns of the right hand matrix */
		const Word16 transpY, /* i : flag indicating the transposition of the right hand matrix prior to the multiplication */
		Word32 Z_fx, / o : resulting matrix after the matrix multiplication */
		Word16 Z_fx_e / o : resulting matrix after the matrix multiplication */
		)
		{
		Word16 i, j, k;
		Word32 *Zp_fx = Z_fx;
		Word16 out_e[MAX_OUTPUT_CHANNELS * MAX_OUTPUT_CHANNELS];
		Word16 *Zp_fx_e = out_e;
		Word16 row, col;

		/* Processing */
		test();
		test();
		test();
		IF( EQ_16( transpX, 1 ) && EQ_16( transpY, 0 ) ) /* We use X transpose */
		{
		IF( NE_16( rowsX, rowsY ) )
		{
		return EXIT_FAILURE;
		}
		FOR( j = 0; j < colsY; ++j )
		{
		FOR( i = 0; i < colsX; ++i )
		{
		( *Zp_fx ) = 0;
		move32();
		( *Zp_fx_e ) = 0;
		move16();
		FOR( k = 0; k < rowsX; ++k )
		{
		( Zp_fx ) = BASOP_Util_Add_Mant32Exp( Zp_fx, Zp_fx_e, Mpy_32_32( X_fx[k + i rowsX], Y_fx[k + j * rowsY] ), add( X_fx_e, Y_fx_e ), Zp_fx_e );
		}
		Zp_fx++;
		Zp_fx_e++;
		}
		}
		row = colsY;
		col = colsX;
		}
		ELSE IF( EQ_16( transpX, 0 ) && EQ_16( transpY, 1 ) ) /* We use Y transpose */
		{
		IF( NE_16( colsX, colsY ) )
		{
		return EXIT_FAILURE;
		}
		FOR( j = 0; j < rowsY; ++j )
		{
		FOR( i = 0; i < rowsX; ++i )
		{
		( *Zp_fx ) = 0;
		move32();
		( *Zp_fx_e ) = 0;
		move16();
		FOR( k = 0; k < colsX; ++k )
		{
		( Zp_fx ) = BASOP_Util_Add_Mant32Exp( Zp_fx, Zp_fx_e, Mpy_32_32( X_fx[i + k rowsX], Y_fx[j + k * rowsY] ), add( X_fx_e, Y_fx_e ), Zp_fx_e );
		}
		Zp_fx++;
		Zp_fx_e++;
		}
		}
		row = rowsY;
		col = rowsX;
		}
		ELSE IF( EQ_16( transpX, 1 ) && EQ_16( transpY, 1 ) ) /* We use both transpose */
		{
		IF( NE_16( rowsX, colsY ) )
		{
		return EXIT_FAILURE;
		}
		FOR( j = 0; j < rowsY; ++j )
		{
		FOR( i = 0; i < colsX; ++i )
		{
		( *Zp_fx ) = 0;
		move32();
		( *Zp_fx_e ) = 0;
		move16();
		FOR( k = 0; k < colsX; ++k )
		{
		( Zp_fx ) = BASOP_Util_Add_Mant32Exp( Zp_fx, Zp_fx_e, Mpy_32_32( X_fx[k + i rowsX], Y_fx[j + k * rowsY] ), add( X_fx_e, Y_fx_e ), Zp_fx_e );
		}

		Zp_fx++;
		Zp_fx_e++;
		}
		}
		row = rowsY;
		col = colsX;
		}
		ELSE /* Regular case */
		{
		IF( NE_16( colsX, rowsY ) )
		{
		return EXIT_FAILURE;
		}

		FOR( j = 0; j < colsY; ++j )
		{
		FOR( i = 0; i < rowsX; ++i )
		{
		( *Zp_fx ) = 0;
		move32();
		( *Zp_fx_e ) = 0;
		move16();
		FOR( k = 0; k < colsX; ++k )
		{
		( Zp_fx ) = BASOP_Util_Add_Mant32Exp( Zp_fx, Zp_fx_e, Mpy_32_32( X_fx[i + k rowsX], Y_fx[k + j * rowsY] ), add( X_fx_e, Y_fx_e ), Zp_fx_e );
		}
		Zp_fx++;
		Zp_fx_e++;
		}
		}
		row = colsY;
		col = rowsX;
		}
		Zp_fx = Z_fx;
		Zp_fx_e = out_e;
		Word16 max_exp = -31;
		FOR( j = 0; j < row; ++j )
		{
		FOR( i = 0; i < col; ++i )
		{
		max_exp = s_max( max_exp, *Zp_fx_e );
		Zp_fx_e++;
		}
		}
		Zp_fx_e = out_e;
		*Z_fx_e = max_exp;
		FOR( j = 0; j < row; ++j )
		{
		FOR( i = 0; i < col; ++i )
		{
		Zp_fx = L_shr_r( Zp_fx, sub( Z_fx_e, Zp_fx_e ) );
		Zp_fx++;
		Zp_fx_e++;
		}
		}

		return EXIT_SUCCESS;
		}

		Word16 matrix_product_fx(
		const Word32 X_fx, / i : left hand matrix */
		const Word16 rowsX, /* i : number of rows of the left hand matrix */

lib_dec/ivas_dirac_output_synthesis_cov.c

+182 −231

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lib_dec/ivas_ism_param_dec.c

+167 −94

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