Commit 3703d5c6 authored by Fabian Bauer's avatar Fabian Bauer
Browse files

add FIX_1439_SPEEDUP_synthesise_fb_high_band_fx macro

parent 95e62c63

lib_com/options.h

+1 −1
Original line number Diff line number Diff line
@@ -84,5 +84,5 @@ 
//#define FIX_1439_SPEEDUP_stereo_icBWE_dec_fx                    /*FhG: reduces WMOPS - bit-exact*/

//#define FIX_1439_SPEEDUP_ivas_swb_tbe_dec_fx_0                  /*FhG: reduces WMOPS - bit-exact*/

//#define FIX_1439_SPEEDUP_elliptic_bpf_48k_generic_upsampledsig  /*FhG: reduces WMOPS - bit-exact*/



//#define FIX_1439_SPEEDUP_synthesise_fb_high_band_fx             // 0.4 WMOPS - BE?

#endif

lib_com/swb_tbe_com_fx.c

+42 −0
Original line number Diff line number Diff line
@@ -7298,6 +7298,47 @@ void synthesise_fb_high_band_fx( 
    tmp3 = add( sub( Qout, add( sub( 1, exp ), exp_tmp ) ), 16 ); /*Qout - (1 -exp +exp_tmp) + 16 */

    FOR( i = 0; i < L_FRAME48k; i++ )

    {

#ifdef FIX_1439_SPEEDUP_synthesise_fb_high_band_fx

        L_tmp = Mult_32_16( ratio2, tmp[i] ); /* Q(16-exp+exp_tmp-15 = 1-exp+exp_tmp) */

        Word32 L_tmp32;

        Word16 tmp16;

        

        if ( L_tmp < 0 )

        {

            L_tmp32 = L_negate( L_tmp );

        }

        if ( L_tmp < 0 )

        {

            L_tmp32 = L_shl_sat( L_tmp32, tmp3 );

        }

        if ( L_tmp < 0 )

        {

            tmp16 = extract_h( L_tmp32);

        }

        if ( L_tmp < 0 )

        {

            tmp16 = negate( tmp16 );

        }



        if ( L_tmp == 0 )

        {

            tmp16 = 0;

            move16();

        }



        if ( L_tmp > 0 )

        {

            L_tmp32 = L_shl_sat( L_tmp, tmp3 );

        }

        if ( L_tmp > 0 )

        {

            tmp16 = extract_h( L_tmp32 );

        }



        output[i] = tmp16;

        move16();



#else

        L_tmp = Mult_32_16( ratio2, tmp[i] ); /* Q(16-exp+exp_tmp-15 = 1-exp+exp_tmp) */

        IF( L_tmp < 0 )

        {
@@ -7309,6 +7350,7 @@ void synthesise_fb_high_band_fx( 
            output[i] = extract_h( L_shl_sat( L_tmp, tmp3 ) ); /*Qout*/

            move16();

        }

#endif

    }

    pop_wmops(); /*push_wmops( "SYNTHESISE_FB_HIGH_BAND PART B" );*/

    return;