Commit 1984ff0e authored by norvell's avatar norvell
Browse files

Merge branch '1430_ref_div_by_zero_stereo_cng' into 'float-pc' 

Port fix FIX_963_USAN_ERROR to resolve division-by-zero in Stereo CNG to float-pc

See merge request !1322
parents 6a427cf5 4f46ac85

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -181,6 +181,7 @@ 
#define ISAR_BITSTREAM_UPDATE_LC3PLUS                   /* FhG: Multiple improvements to the ISAR bitstream when LC3plus is used. See MR 1456 for details. */

#endif

#define NONBE_FIX_1058_DECODER_ERROR_WITH_REVERB_ROOM   /* FhG: issue 1058: do not initialize EFAP when IntSetup is HOA3 */

#define FIX_963_USAN_ERROR                              /* Eri: Issue 963: USAN error in Stereo CNG, division by zero */

#define NONBE_FIX_952_MC_PARAMUPMIX_5MS                       /* Dlb : issue 952 : Differences between 5ms and 20ms rendering for ParamUpmix*/

#define NONBE_FIX_935_EARLY_REFLECTIONS_WRONG_ORDER           /* Qualcomm: issue 953: fix order or ER channels in LC mode*/

#define FIX_955_FASTCONV_REND_IN_ISM                    /* VA: put FastConv rendering call under DEBUGGING */

lib_enc/ivas_stereo_dft_enc_itd.c

+22 −0
Original line number Diff line number Diff line
@@ -910,7 +910,18 @@ void stereo_dft_enc_compute_itd( 
                {

                    hStereoDft->expectedNumUpdates += 1 + min( hCPE->hFrontVad[0]->rem_dtx_ho, hCPE->hFrontVad[1]->rem_dtx_ho );

                }

#ifdef FIX_963_USAN_ERROR

                if ( hStereoDft->expectedNumUpdates + hStereoDft->currentNumUpdates == 0 )

                {

                    cng_xcorr_filt = max( CORR_FILT, sfm_L );

                }

                else

                {

                    cng_xcorr_filt = max( min( CORR_FILT, 10.0f * CORR_FILT / ( hStereoDft->expectedNumUpdates + hStereoDft->currentNumUpdates ) ), sfm_L );

                }

#else

                cng_xcorr_filt = max( min( CORR_FILT, 10.0f * CORR_FILT / ( hStereoDft->expectedNumUpdates + hStereoDft->currentNumUpdates ) ), sfm_L );

#endif

                hStereoDft->currentNumUpdates++;

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

                {
@@ -945,7 +956,18 @@ void stereo_dft_enc_compute_itd( 
            if ( vad_flag_dtx[0] == 0 )

            {

                /* expectedNumUpdates updated after call to dtx() in SID frames */

#ifdef FIX_963_USAN_ERROR

                if ( hStereoDft->expectedNumUpdates + hStereoDft->currentNumUpdates == 0 )

                {

                    cng_xcorr_filt = max( CORR_FILT, sfm_L );

                }

                else

                {

                    cng_xcorr_filt = max( min( CORR_FILT, 10.0f * CORR_FILT / ( hStereoDft->expectedNumUpdates + hStereoDft->currentNumUpdates ) ), sfm_L );

                }

#else

                cng_xcorr_filt = max( min( CORR_FILT, 10.0f * CORR_FILT / ( hStereoDft->expectedNumUpdates + hStereoDft->currentNumUpdates ) ), sfm_L );

#endif

                hStereoDft->currentNumUpdates++;

                hStereoDft->sfm = cng_xcorr_filt;

            }