Commit a49644a9 authored by Fabian Bauer's avatar Fabian Bauer
Browse files

added temporary macro and draft solution

parent 6cf87ab2

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ 
#define FIX_1942_ASSERTION_LOWSHELF                          /* FhG: Modified the target_gains_db_fx calculation in compute_t60_coeffs_fx() */

#define FIX_1944_CRASH_FOR_STEREO                            /* FhG: improve TonalMDCTConceal_InsertNoise calculation precision */

#define FIX_1970_SBA_CRASH                                   /* Dlb: Fix for issue 1970, SBA crash */

#define FIX_maximum_exp_fx /*issue needed*/



#define FIX_1946_CRASH_JBM_PROCESSING                        /* FhG: Increased guard bits of DFT_fx */

/* #################### Start BASOP porting switches ############################ */

lib_com/tools_fx.c

+12 −0
Original line number Diff line number Diff line
@@ -1224,13 +1224,24 @@ Word16 maximum_exp_fx( /* o : index of the maximum value 
    Word16 tmp, exp;

    ind = 0;

    move16();

#ifndef FIX_maximum_exp_fx

    tmp = vec_fx[0];

    move16();

    exp = exp_vec[0];

    move16();

#endif



    FOR( j = 1; j < lvec_fx; j++ )

    {

#ifdef FIX_maximum_exp_fx

        exp = sub(norm_s( vec_fx[j] ), 1);

        tmp = shl( vec_fx[j], exp );

        if( LT_16( vec_fx[ind], shr_sat( tmp, sub( exp_vec[ind], sub(exp_vec[j], exp) ) ) ) )

        {

            ind = j;

            move16();

        }

#else

        IF( LT_16( tmp, shr_sat( vec_fx[j], sub( exp, exp_vec[j] ) ) ) )

        {

            ind = j;
@@ -1240,6 +1251,7 @@ Word16 maximum_exp_fx( /* o : index of the maximum value 
            exp = exp_vec[j];

            move16();

        }

#endif

    }



    return ind;