Commit 82250202 authored by Jan Kiene's avatar Jan Kiene
Browse files

fix usan error in waveforma adjustment - compute sign differently

parent 27dd5851

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -164,6 +164,7 @@ 
/* any switch which is non-be wrt selection floating point code */

/* all switches in this category should start with "NONBE_" */



#define NON_BE_FIX_EVS_USAN_ERR_IN_WAVEADJUST           /* FhG: address issue 1037 */



/* ##################### End NON-BE switches ########################### */

lib_dec/waveadjust_fec_dec.c

+6 −0
Original line number Diff line number Diff line
@@ -742,7 +742,13 @@ void concealment_decode( 
            /* sign randomization */

            for ( i = 0; i < hPlcInfo->L_frameTCX; i++ )

            {

#ifdef NON_BE_FIX_EVS_USAN_ERR_IN_WAVEADJUST

                int16_t rnd;

                rnd = own_random( seed );

                sign = ( rnd >= 0 ) - ( rnd < 0 );

#else

                sign = ( ( own_random( seed ) >> 15 ) << 1 ) + 1;

#endif

                invkoef[i] *= sign;

            }

        }