diff options
| -rw-r--r-- | libavcodec/ac3.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/ac3.c b/libavcodec/ac3.c index c4fc77cbdf..b54315dcb3 100644 --- a/libavcodec/ac3.c +++ b/libavcodec/ac3.c @@ -131,6 +131,9 @@ int ff_ac3_bit_alloc_calc_mask(AC3BitAllocParameters *s, int16_t *band_psd, int band_start, band_end, begin, end1; int lowcomp, fastleak, slowleak; + if (end <= 0) + return AVERROR_INVALIDDATA; + /* excitation function */ band_start = ff_ac3_bin_to_band_tab[start]; band_end = ff_ac3_bin_to_band_tab[end-1] + 1; |