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| author | Anton Khirnov <anton@khirnov.net> | 2013-11-28 10:54:35 +0100 |
|---|---|---|
| committer | Reinhard Tartler <siretart@tauware.de> | 2014-02-02 12:48:04 -0500 |
| commit | 979f77b0dc40571761999633a38d97be9a1670c8 (patch) | |
| tree | c9eb9227b16288367e4f8142000d9c339aa5e7d7 /libavcodec | |
| parent | 2f4e066d66b37e48c6c11cc33649fb5c9656007d (diff) | |
| download | ffmpeg-979f77b0dc40571761999633a38d97be9a1670c8.tar.gz | |
h264: check that an IDR NAL only contains I slices
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC:libav-stable@libav.org
(cherry picked from commit 8b2e5e42bb9d6a59ede5af2e6df4aaf7750d1195)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
(cherry picked from commit 62ed6da016b789eee00e0fff517df4a254e12e5d)
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
Conflicts:
libavcodec/h264.c
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h264.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavcodec/h264.c b/libavcodec/h264.c index da865c6387..ff7859ce2b 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2688,7 +2688,14 @@ static int decode_slice_header(H264Context *h, H264Context *h0){ h->slice_type= slice_type; h->slice_type_nos= slice_type & 3; - s->pict_type= h->slice_type; // to make a few old functions happy, it's wrong though + if (h->nal_unit_type == NAL_IDR_SLICE && + h->slice_type_nos != AV_PICTURE_TYPE_I) { + av_log(h->s.avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n"); + return AVERROR_INVALIDDATA; + } + + // to make a few old functions happy, it's wrong though + s->pict_type = h->slice_type; pps_id= get_ue_golomb(&s->gb); if(pps_id>=MAX_PPS_COUNT){ |