shithub: opus

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prevent busting at ridiculously low bit-rate VBR

--- a/libcelt/celt.c

+++ b/libcelt/celt.c

@@ -770,7 +770,9 @@

       celt_int32 vbr_bound, max_allowed;

       vbr_bound = st->vbr_rate;

-      max_allowed = (st->vbr_rate + vbr_bound - st->vbr_reservoir)>>(BITRES+3); 

+      max_allowed = (st->vbr_rate + vbr_bound - st->vbr_reservoir)>>(BITRES+3);

+      if (max_allowed < 4)

+         max_allowed = 4;

       if (max_allowed < nbCompressedBytes)

          nbCompressedBytes = max_allowed;

    }