Commit 236ae528 authored by Fabian Bauer's avatar Fabian Bauer
Browse files

make it even faster

parent 01d6efd2

lib_com/options.h

+1 −1
Original line number Diff line number Diff line
@@ -77,7 +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_1981_MAXIMUM_EXP_FX                              /* FhG: Fix bug in function to find maximum value in vector */

//#define FIX_1981_MAXIMUM_EXP_FX                              /* FhG: Fix bug in function to find maximum value in vector */



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

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

lib_com/tools_fx.c

+5 −4
Original line number Diff line number Diff line
@@ -1221,22 +1221,23 @@ Word16 maximum_exp_fx( /* o : index of the maximum value 
)

{

    Word16 j, ind;

#ifndef FIX_1981_MAXIMUM_EXP_FX

    Word16 tmp, exp;

    ind = 0;

    move16();

#ifndef FIX_1981_MAXIMUM_EXP_FX

    tmp = vec_fx[0];

    move16();

    exp = exp_vec[0];

    move16();

#else

    ind = 0;

    move16();

#endif



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

    {

#ifdef FIX_1981_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) ) ) ) )

        if( LE_16( vec_fx[ind], shr_sat( vec_fx[j], sub( exp_vec[ind], exp_vec[j] ) ) ) )

        {

            ind = j;

            move16();