shithub: opus

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Stop collapsing the background noise channels when switching to mono

--- a/libcelt/celt.c

+++ b/libcelt/celt.c

@@ -2195,17 +2195,14 @@

       dec = &_dec;

    }

-   if (CC==1&&C==2)

+   if (C>CC)

    {

       RESTORE_STACK;

       return CELT_CORRUPTED_DATA;

-   } else if (CC==2&&C==1)

+   } else if (C<CC)

    {

       for (i=0;i<st->mode->nbEBands;i++)

-      {

          oldBandE[i]=MAX16(oldBandE[i],oldBandE[st->mode->nbEBands+i]);

-         backgroundLogE[i]=MAX16(backgroundLogE[i],backgroundLogE[st->mode->nbEBands+i]);

-      }

    }

    total_bits = len*8;