Merge branch 'minor-tune-svd-wmops-mr1010x' into 'main' (54c3d2e3) · Commits · SA4 / Audio / IVAS BASOP

lib_com/options.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -152,3 +152,4 @@
		#define FIX_ISSUE_1214 /* Ittiam: Fix for issue 1214: Energy leakage in IGF tiles for MDCT-stereo @64kbps SWB*/
		#define FIX_881_HILBERT_FILTER /* VA: improve the precision of the Hilbert filter to remove 2kHz unwanted tone */
		#endif
		#define FIX_MINOR_SVD_WMOPS_MR1010X /* FhG: Minor WMOPS tuning, bit-exact to previous version, saves about 8.2 WMOPS for MR1010 */

lib_dec/ivas_svd_dec.c

+43 −2

Original line number	Diff line number	Diff line
		@@ -919,6 +919,7 @@ static void ApplyRotation_fx(
		g = BASOP_Util_Add_Mant32Exp( Mpy_32_32( c, x12 ), add( c_e, x12_e ), Mpy_32_32( L_negate( s ), x11 ), add( s_e, x11_e ), g_e ); / exp(g_e) */
		move32();

		#ifndef FIX_MINOR_SVD_WMOPS_MR1010X
		FOR( ch = 0; ch < nChannels; ch++ )
		{
		x11 = singularVector[ch][currentIndex2];
		@@ -934,6 +935,24 @@ static void ApplyRotation_fx(
		singularVector[ch][currentIndex1] = L_shl_sat( singularVector[ch][currentIndex1], temp_exp ); /* exp(temp_exp) */
		move32();
		}
		#else
		Word32 s_neg = L_negate( s );
		Word32 temp;
		FOR( ch = 0; ch < nChannels; ch++ )
		{
		x11 = singularVector[ch][currentIndex2];
		move32();
		x12 = singularVector[ch][currentIndex1];
		move32();
		temp = BASOP_Util_Add_Mant32Exp( Mpy_32_32( c, x11 ), c_e, Mpy_32_32( s, x12 ), s_e, &temp_exp ); /* exp(temp_exp) */
		singularVector[ch][currentIndex2] = L_shl_sat( temp, temp_exp ); /* exp(temp_exp) */
		move32();
		temp = BASOP_Util_Add_Mant32Exp( Mpy_32_32( c, x12 ), c_e, Mpy_32_32( s_neg, x11 ), s_e, &temp_exp ); /* exp(temp_exp) */
		singularVector[ch][currentIndex1] = L_shl_sat( temp, temp_exp ); /* exp(temp_exp) */
		move32();
		}

		#endif

		return;
		}
		@@ -1160,6 +1179,7 @@ IF( LT_16( currChannel, nChannelsL ) ) /* i <= m */
		L_temp = Sqrt32( norm_x, &L_temp_e );
		L_temp = L_shl_r( L_temp, L_temp_e ); // Q31
		//( *g ) = L_negate( GE_32( singularVectors[currChannel][idx], 0 ) ? L_temp : L_negate( L_temp ) );
		#ifndef FIX_MINOR_SVD_WMOPS_MR1010X
		IF( singularVectors[currChannel][idx] >= 0 )
		{
		( *g ) = L_negate( L_temp );
		@@ -1170,6 +1190,14 @@ IF( LT_16( currChannel, nChannelsL ) ) /* i <= m */
		( *g ) = L_negate( L_negate( L_temp ) );
		move32();
		}
		#else
		if ( singularVectors[currChannel][idx] >= 0 )
		{
		L_temp = L_negate( L_temp );
		}
		( *g ) = L_temp;
		move32();
		#endif

		#ifndef FIX_1010_OPT_SINGLE_RESCALE
		r = BASOP_Util_Add_Mant32Exp( Mpy_32_32( ( g ), singularVectors[currChannel][idx] ), sing_exp[currChannel], -norm_x, norm_x_e, &r_e ); / exp(r_e) */
		@@ -1868,6 +1896,7 @@ static Word32 maxWithSign_fx(
		const Word32 a /* Qx */
		)
		{
		#ifndef FIX_MINOR_SVD_WMOPS_MR1010X
		IF( GT_32( L_abs( a ), SVD_MINIMUM_VALUE_FX ) )
		{
		return a;
		@@ -1880,6 +1909,18 @@ static Word32 maxWithSign_fx(
		{
		return SVD_MINIMUM_VALUE_FX;
		}
		#else
		Word32 result;
		if ( a >= 0 )
		{
		result = L_max( a, SVD_MINIMUM_VALUE_FX );
		}
		if ( a < 0 )
		{
		result = L_min( a, -SVD_MINIMUM_VALUE_FX );
		}
		return result;
		#endif
		}

		/*-------------------------------------------------------------------------

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