SVD functions fixed point implementation (34498a8a) · Commits · SA4 / Audio / IVAS BASOP

lib_com/ivas_prot.h

+23 −3

Original line number	Diff line number	Diff line
		@@ -4823,7 +4823,9 @@ Word16 matrix_product_mant_exp(
		Word32 Z_fx, / o : resulting matrix after the matrix multiplication */
		Word16 Z_e / o : resulting matrix after the matrix multiplication */
		);
		#endif

		#ifdef IVAS_FLOAT_FIXED
		void mat2svdMat_fx(
		const Word32 mat, / i : matrix as column ordered vector */
		Word32 svdMat[MAX_OUTPUT_CHANNELS][MAX_OUTPUT_CHANNELS], /* o : matrix as two-dimensional arry */
		@@ -4838,7 +4840,7 @@ void svdMat2mat_fx(
		const Word16 nRows, /* i : number of rows of the matrix */
		const Word16 mCols /* i : number of columns of the matrix */
		);
		#endif
		#else

		void mat2svdMat(
		const float mat, / i : matrix as column ordered vector */
		@@ -4854,6 +4856,7 @@ void svdMat2mat(
		const int16_t nRows, /* i : number of rows of the matrix */
		const int16_t mCols /* i : number of columns of the matrix */
		);
		#endif

		int16_t matrix_diag_product(
		const float X, / i : left hand matrix */
		@@ -4896,6 +4899,7 @@ void cmplx_matrix_square(
		float imagZ / o : imaginary part of the resulting matrix */
		);

		#ifndef IVAS_FLOAT_FIXED
		int16_t computeMixingMatrices(
		const int16_t num_inputs, /* i : number of input channels */
		const int16_t num_outputs, /* i : number of output channels */
		@@ -4909,7 +4913,7 @@ int16_t computeMixingMatrices(
		float Cr / o : residual covariance matrix */
		);

		#ifdef IVAS_FLOAT_FIXED
		#else
		Word16 computeMixingMatrices_fx(
		const Word16 num_inputs, /* i : number of input channels */
		const Word16 num_outputs, /* i : number of output channels */
		@@ -4931,6 +4935,7 @@ Word16 computeMixingMatrices_fx(
		);
		#endif

		#ifndef IVAS_FLOAT_FIXED
		int16_t computeMixingMatricesResidual(
		const int16_t num_outputs, /* i : number of output channels */
		const float Cx, / i : vector containing the diagonal diffuse prototype covariance */
		@@ -4940,7 +4945,7 @@ int16_t computeMixingMatricesResidual(
		float mixing_matrix / o : resulting residual mixing matrix */
		);

		#ifdef IVAS_FLOAT_FIXED
		#else
		Word16 computeMixingMatricesResidual_fx(
		const Word32 num_outputs, /* i : number of output channels */
		const Word32 Cx_fx, / i : vector containing the diagonal diffuse prototype covariance */
		@@ -4956,6 +4961,19 @@ Word16 computeMixingMatricesResidual_fx(
		);
		#endif

		#ifdef IVAS_FLOAT_FIXED
		/! r: error or success /
		Word16 svd_fx(
		Word32 InputMatrix[][MAX_OUTPUT_CHANNELS], /* i : matrix to be decomposed (M) */
		Word16 InputMatrix_e,
		Word32 singularVectors_Left[][MAX_OUTPUT_CHANNELS], /* o : left singular vectors (U) */
		Word32 singularValues[MAX_OUTPUT_CHANNELS], /* o : singular values vector (S) */
		Word32 singularVectors_Right[][MAX_OUTPUT_CHANNELS], /* o : right singular vectors (V) */
		Word16 *singularValues_fx_e,
		const Word16 nChannelsL, /* i : number of rows in the matrix to be decomposed */
		const Word16 nChannelsC /* i : number of columns in the matrix to be decomposed */
		);
		#else
		/! r: error or success /
		int16_t svd(
		float InputMatrix[][MAX_OUTPUT_CHANNELS], /* i : matrix to be decomposed (M) */
		@@ -4965,6 +4983,8 @@ int16_t svd(
		const int16_t nChannelsL, /* i : number of rows in the matrix to be decomposed */
		const int16_t nChannelsC /* i : number of columns in the matrix to be decomposed */
		);
		#endif

		#ifdef IVAS_FLOAT_FIXED
		ivas_error ivas_dirac_dec_output_synthesis_cov_open_fx(
		DIRAC_OUTPUT_SYNTHESIS_PARAMS h_dirac_output_synthesis_params, / i/o: handle for the covariance synthesis parameters */

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -137,6 +137,7 @@
		#define FIX_747_TDBWE_ENERGY_BURST
		#define FIX_770_DISCONTINUITIES_SW_TCX2ACELP // Fix discontinuities when switching from TCX to ACELP
		#define FIX_680_CNG_FRAME_BOUNDARIES_ISSUE /* Step was right shift by 2, which made the OVA wrong */
		#define NONBE_FIX_1069_SVD_TUNING /* FhG: issue 1069: tune SVD constants */
		/* ################## End DEVELOPMENT switches ######################### */

		/* clang-format on */

lib_dec/ivas_dirac_output_synthesis_cov.c

+234 −184

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lib_dec/ivas_svd_dec.c

+1142 −17

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