Commit 53de6f38 authored by multrus's avatar multrus
Browse files

BASOP issue 2561: fix diffs in stereo_dft_enc_compute_itd() between float and BASOP

parent 8ff889f8

lib_com/options.h

+2 −0
Original line number Diff line number Diff line
@@ -139,6 +139,8 @@ 
#define FIX_BASOP_2548_ProcessIGF_fx_PREDICTIONGAIN     /* FhG: fixes obvious bug for IVAS path. For EVS path, issue is still not resolved */

#define FIX_FMSW_DEC                                    /* float issue 1542: fix JBM issue in format switching */

#define FIX_FMSW_DEC_2                                  /* float issue 1575: fix crash for format switching when bitsream starts with EVS */

#define FIX_BASOP_2561_STEREO_DFT_ENC_COMPUTE_ITD       /* BASOP issue 2561: fix diffs in stereo_dft_enc_compute_itd() between float and BASOP */





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

lib_enc/ivas_stereo_dft_enc_itd_fx.c

+9 −0
Original line number Diff line number Diff line
@@ -1492,8 +1492,13 @@ void stereo_dft_enc_compute_itd_fx( 
        L_temp2_e = sub( 31, q_temp );

        L_temp = Mpy_32_32( L_temp, L_temp2 );

        L_temp_e = add( L_temp_e, L_temp2_e );

#ifdef FIX_BASOP_2561_STEREO_DFT_ENC_COMPUTE_ITD

        sfm_R = BASOP_Util_Divide3232_Scale_newton( L_temp, sum_abs_R, &sfm_R_e );

        sfm_R_e = add( sfm_R_e, sub( L_temp_e, sum_abs_R_e ) );

#else

        sfm_R = BASOP_Util_Divide3232_Scale_newton( L_temp, sum_abs_R, &sfm_L_e );

        sfm_R_e = add( sfm_L_e, sub( L_temp_e, sum_abs_R_e ) );

#endif

        // sfm_R = L_shl_r( sfm_R, sfm_R_e ); // Q31

        sfm_R = L_shl_sat( sfm_R, sfm_R_e ); // Q31

    }
@@ -1686,7 +1691,11 @@ void stereo_dft_enc_compute_itd_fx( 


                hStereoDft->currentNumUpdates = add( hStereoDft->currentNumUpdates, 1 );

                move16();

#ifdef FIX_BASOP_2561_STEREO_DFT_ENC_COMPUTE_ITD

                FOR( i = 1; i < NFFT / 2; i++ )

#else

                FOR( i = 1; i < NFFT / 4; i++ )

#endif

                {

                    /* Low pass filter cross L/R power spectrum */

                    // hStereoDft->xspec_smooth[2 * i] = ( 1.f - cng_xcorr_filt ) * hStereoDft->xspec_smooth[2 * i] + cng_xcorr_filt * xcorr[2 * i];