Merge remote-tracking branch 'remotes/origin/main' into 1850-basop-PortFloatMr1527 (d80431d7) · Commits · SA4 / Audio / IVAS BASOP

apps/renderer.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -49,6 +49,7 @@
		#include "split_rend_bfi_file_reader.h"
		#include "vector3_pair_file_reader.h"
		#include "wmc_auto.h"
		#include "basop32.h"


		#define WMC_TOOL_SKIP

lib_com/arith_coder_fx.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -271,7 +271,11 @@ void tcx_arith_scale_envelope(

		tmp2 = BASOP_Util_Add_MantExp( negate( b ), b_e, tmp, tmp2, &scale ); /* exp(scale) */
		scale = BASOP_Util_Divide1616_Scale( scale, round_fx( a ), &tmp );
		#ifdef ISSUE_1796_replace_shl_o
		scale = shl_sat( scale, sub( sub( add( tmp, tmp2 ), a_e ), 1 ) ); /* Q15 */
		#else
		scale = shl_o( scale, sub( sub( add( tmp, tmp2 ), a_e ), 1 ), &Overflow ); /* Q15 */
		#endif

		/* iscale = 1.0f / scale; */
		iscale_e = 0;

lib_com/basop32.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1268,7 +1268,7 @@ Word16 round_fx( Word32 L_var1 )
		Word32 L_rounded;

		BASOP_SATURATE_WARNING_OFF
		L_rounded = L_add( L_var1, (Word32) 0x00008000L );
		L_rounded = L_add_sat( L_var1, (Word32) 0x00008000L );
		BASOP_SATURATE_WARNING_ON
		var_out = extract_h( L_rounded );

lib_com/basop_util.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -2085,6 +2085,8 @@ Word32 norm_llQ31( /* o : normalized result Q31 */
		return L_sum;
		}

		#ifndef FIX_ISSUE_1817_REPLACE_CARRY_OVERFLOW
		/* note: now available in basop_util.h */
		Word32 w_norm_llQ31( Word64 L_sum, Word16 *exp );
		Word32 w_norm_llQ31( /* o : normalized result Q31 */
		Word64 L_sum, /* i : upper and lower bits of accu, unsigned Q31 */
		@@ -2111,6 +2113,7 @@ Word32 w_norm_llQ31( /* o : normalized result Q31 */
		L_tmp = W_extract_h( L64_inp64 );
		return L_tmp;
		}
		#endif

		Word32 Dot_product16HQ( /* o : normalized result Q31 */
		const Word32 L_off, /* i : initial sum value Qn */
		@@ -2135,6 +2138,24 @@ Word32 Dot_product16HQ( /* o : normalized result
		return L_sum;
		}

		Word32 sum_array_norm( /* o : normalized result Q31 */
		const Word32 x[], /* i : x vector Qn */
		const Word16 lg, /* i : vector length, range [0..7FFF] Q0 */
		Word16 exp / o : exponent of result in [-32,31] Q0 */
		)
		{
		Word16 i;
		Word64 W_tmp = 0;
		Word32 L_tmp;
		FOR( i = 0; i < lg; i++ )
		{
		W_tmp = W_add( W_tmp, x[i] ); /Q31/
		}
		L_tmp = w_norm_llQ31( W_tmp, exp ); /Q31 - exp*/
		return L_tmp;
		}


		Word32 Norm32Norm( const Word32 x, const Word16 headroom, const Word16 length, Word16 result_e )
		{
		Word32 L_tmp, L_tmp2;

lib_com/basop_util.h

+31 −0

Original line number	Diff line number	Diff line
		@@ -612,6 +612,20 @@ Word32 Dot_product16HQ( /*<! o : normalized result
		Word16 exp /<! o : exponent of result in [-32,31] Q0 */
		);

		/------------------------------------------------------------------
		* sum_array_norm:
		*
		* \brief Compute array summation of x[] using 64-bit accumulator.
		*
		* Performs normalization of the result, returns the exponent
		* Note: no headroom is required for data in x[]
		------------------------------------------------------------------/
		Word32 sum_array_norm( /* o : normalized result Q31 */
		const Word32 x[], /* i : x vector Qn */
		const Word16 lg, /* i : vector length, range [0..7FFF] Q0 */
		Word16 exp / o : exponent of result in [-32,31] Q0 */
		);

		/------------------------------------------------------------------
		* norm_llQ31:
		*
		@@ -627,6 +641,23 @@ Word32 norm_llQ31( /* o : normalized result Q31 */
		Word16 exp / o : exponent of result in [-32,31] Q0 */
		);

		#ifdef FIX_ISSUE_1817_REPLACE_CARRY_OVERFLOW
		/------------------------------------------------------------------
		* w_norm_llQ31:
		*
		* \brief Compute normalized Q31 Values out of overflowed Q31 value
		* using 64-bit operators
		------------------------------------------------------------------/
		static inline Word32 w_norm_llQ31( Word64 L64_var1, Word16 S_var2 ) /Q31 - L_tmp_exp*/
		{
		Word32 L_result;
		Word16 sh = W_norm( L64_var1 );
		L_result = W_extract_h( W_shl( L64_var1, sh ) );
		*S_var2 = ( L_result == 0 ) ? -32 : 32 - sh;
		return L_result;
		}
		#endif

		/**
		* \brief Compute dot product of 1 32 bit vectors with itself
		* \param x input vector 1