Commit f815cfb8 authored by Jan Kiene's avatar Jan Kiene
Browse files

don't de-whiten the bg noise shape on first good frame if it is an SID

parent f8a48b18

lib_com/options.h

+1 −0
Original line number Diff line number Diff line
@@ -177,6 +177,7 @@ 
#define NONBE_FIX_1097_SBA_DTX_BRATE_SWITCHING_ENC            /* FhG: fix out-of-bound errors when switching from SID frame to active frame*/

#define NONBE_FIX_1110_STEREO_DTX_BRATE_SWITCHING             /* VA: issue 1110: fix encoder crash in the stereo DTX bitrate switching condition */

#define NONBE_1131_ACELP_OOB                                  /* VA: issue 1131: fix division-by-zero in acelp gain decoding caused by wrong length of buffer update when switching from HQ core to ACELP core */

#define NONBE_MDCT_ST_DTX_SKIP_DEWHITENING_OF_NOISE_SHAPES_ON_SID_FRAMES /* FhG: issue 1133: skip de-whitening of bg noise shape after frameloss period if the first good frame is an SID */



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

lib_dec/ivas_core_dec.c

+6 −0
Original line number Diff line number Diff line
@@ -402,10 +402,16 @@ ivas_error ivas_core_dec( 
        {

            updateBuffersForDmxMdctStereo( hCPE, output_frame, output, synth );

        }

#ifdef NONBE_MDCT_ST_DTX_SKIP_DEWHITENING_OF_NOISE_SHAPES_ON_SID_FRAMES 



        /* On first good active frame after frameloss undo the whitening of the bg noise shape */

        if ( sts[0]->core_brate > SID_2k40 && sts[0]->bfi == 0 && sts[0]->prev_bfi == 1 )

        {

#else

        if ( sts[0]->bfi == 0 && sts[0]->prev_bfi == 1 )

        {

            /* On first good frame after frameloss undo the whitening of the bg noise shape */

#endif

            for ( n = 0; n < n_channels; ++n )

            {

                if ( sts[n]->last_core_bfi != ACELP_CORE )