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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-12-15 02:43:03 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-12-15 02:43:03 +0100 |
| commit | 7fff64e00d886fde11d61958888c82b461cf99b9 (patch) | |
| tree | 208fe66bf830c8f12e579a1ce09cce331983039d /libavcodec | |
| parent | cd645c15d8d91444e49aea589ace4d9f76210641 (diff) | |
| download | ffmpeg-7fff64e00d886fde11d61958888c82b461cf99b9.tar.gz | |
h264: check chroma_format_idc range.
Fixes Ticket758
Bug found by: Diana Elena Muscalu
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h264_ps.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index 3184cadb21..f87957673d 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -347,6 +347,10 @@ int ff_h264_decode_seq_parameter_set(H264Context *h){ if(sps->profile_idc >= 100){ //high profile sps->chroma_format_idc= get_ue_golomb_31(&s->gb); + if (sps->chroma_format_idc > 3U) { + av_log(h->s.avctx, AV_LOG_ERROR, "chroma_format_idc %d is illegal\n", sps->chroma_format_idc); + goto fail; + } if(sps->chroma_format_idc == 3) sps->residual_color_transform_flag = get_bits1(&s->gb); sps->bit_depth_luma = get_ue_golomb(&s->gb) + 8; |