diff options
Diffstat (limited to 'libavcodec/proresdec.c')
| -rw-r--r-- | libavcodec/proresdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/proresdec.c b/libavcodec/proresdec.c index c65d7298f2..144fa26f8c 100644 --- a/libavcodec/proresdec.c +++ b/libavcodec/proresdec.c @@ -393,12 +393,16 @@ static inline int decode_ac_coeffs(GetBitContext *gb, int16_t *out, return 0; run = decode_vlc_codeword(gb, ff_prores_ac_codebook[run_cb_index]); + if (run < 0) + return AVERROR_INVALIDDATA; bits_left = get_bits_left(gb); if (bits_left <= 0 || (bits_left <= 8 && !show_bits(gb, bits_left))) return AVERROR_INVALIDDATA; level = decode_vlc_codeword(gb, ff_prores_ac_codebook[lev_cb_index]) + 1; + if (level < 0) + return AVERROR_INVALIDDATA; pos += run + 1; if (pos >= max_coeffs) |