Commit e075a8cf authored by norvell's avatar norvell
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Merge branch... 

Merge branch '1246-encoder-can-create-a-wrong-bitstream-for-all-stereo-bitrate-48-kbps-with-dtx-on' into 'main'

[Non BE] Resolve issue 1246: high level stereo DTX can cause inf in coherence

See merge request !1919
parents 76808648 2a82c04b

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -172,6 +172,7 @@ 


#define NONBE_FIX_1176_OSBA_REVERB_JBM_ASAN_ERROR       /* Ericsson: Issue 1176, fix in TDREND_firfilt for subframes shorter than the filter length */

#define NONBE_1240_FIX_CORE_SELECTION_ISM_SW            /* VA: issue 1240: Remove the forcing of the TCX core in ISM when switching from a high bitarte to a low one */

#define NONBE_1246_INF_COHERENCE_IN_HIGH_LEVEL_DTX      /* Ericsson: Issue 1246: High level input which triggers DTX can lead to numerical overflow in coherence calculation */

#define NONBE_1211_DTX_BR_SWITCHING                     /* VA: issue 1211: fix crash in MASA DTX bitrate switching */

#define NONBE_1217_INIT_OBJ_EDIT                        /* VA: issue 1217: do object editing only when objects metadata is available */

lib_enc/ivas_stereo_cng_enc.c

+4 −0
Original line number Diff line number Diff line
@@ -95,7 +95,11 @@ void stereo_dft_enc_sid_calc_coh( 
            for ( k = hStereoDft->band_limits[b]; k < hStereoDft->band_limits[b + 1]; k++ )

            {

                coh_weight = hStereoDft->DFT[0][2 * k] * hStereoDft->DFT[0][2 * k] + hStereoDft->DFT[0][2 * k + 1] * hStereoDft->DFT[0][2 * k + 1];

#ifdef NONBE_1246_INF_COHERENCE_IN_HIGH_LEVEL_DTX

                cohBand[b] += coh_weight * ( ( hStereoDft->xspec_smooth[2 * k] * hStereoDft->xspec_smooth[2 * k] + hStereoDft->xspec_smooth[2 * k + 1] * hStereoDft->xspec_smooth[2 * k + 1] ) / ( hStereoDft->Spd_L_smooth[k] * hStereoDft->Spd_R_smooth[k] + EPSILON ) );

#else

                cohBand[b] += coh_weight * ( hStereoDft->xspec_smooth[2 * k] * hStereoDft->xspec_smooth[2 * k] + hStereoDft->xspec_smooth[2 * k + 1] * hStereoDft->xspec_smooth[2 * k + 1] ) / ( hStereoDft->Spd_L_smooth[k] * hStereoDft->Spd_R_smooth[k] + EPSILON );

#endif

                coh_weight_sum += coh_weight;

            }

            if ( coh_weight_sum > 0 )