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| author | Michael Niedermayer <michaelni@gmx.at> | 2010-05-25 21:51:27 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2010-05-25 21:51:27 +0000 |
| commit | f4348e6cce6fa15d3240dfb5d84dd2b03f90367e (patch) | |
| tree | 3a1db5e6507cf1ac37365d2436913589420269db /libavcodec/h264_ps.c | |
| parent | 577ee94871b0062eeed34508ff2099704252fa19 (diff) | |
Check for VUI overeading and reset num_reoder_frames.
This helps the video from issue1831
Originally committed as revision 23328 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264_ps.c')
| -rw-r--r-- | libavcodec/h264_ps.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index e5ae403204..7648e2c7a6 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -205,6 +205,12 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){ sps->num_reorder_frames= get_ue_golomb(&s->gb); get_ue_golomb(&s->gb); /*max_dec_frame_buffering*/ + if(s->gb.size_in_bits < get_bits_count(&s->gb)){ + av_log(h->s.avctx, AV_LOG_ERROR, "Overread VUI by %d bits\n", get_bits_count(&s->gb) - s->gb.size_in_bits); + sps->num_reorder_frames=0; + sps->bitstream_restriction_flag= 0; + } + if(sps->num_reorder_frames > 16U /*max_dec_frame_buffering || max_dec_frame_buffering > 16*/){ av_log(h->s.avctx, AV_LOG_ERROR, "illegal num_reorder_frames %d\n", sps->num_reorder_frames); return -1; |