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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-17 18:52:35 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-24 18:59:49 +0100 |
| commit | 55d66b27902d3f566cd6cf6f08d4233dcdc338f5 (patch) | |
| tree | 93bf4b883d0213c684b68364c3929825a38d1476 /libavformat/movenc.c | |
| parent | 9362f31b55510142eefa6d0cc26013a30bd4fc51 (diff) | |
| download | ffmpeg-55d66b27902d3f566cd6cf6f08d4233dcdc338f5.tar.gz | |
movenc: check that fps for tmcd is within encodable range.
The fps is stored as a 8 bit value thus 255 is the maximum encodable.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/movenc.c')
| -rw-r--r-- | libavformat/movenc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c index d9b002e0b5..1b851c03dd 100644 --- a/libavformat/movenc.c +++ b/libavformat/movenc.c @@ -1149,6 +1149,11 @@ static int mov_write_tmcd_tag(AVIOContext *pb, MOVTrack *track) int frame_duration = av_rescale(track->timescale, track->enc->time_base.num, track->enc->time_base.den); int nb_frames = 1.0/av_q2d(track->enc->time_base) + 0.5; + if (nb_frames > 255) { + av_log(NULL, AV_LOG_ERROR, "fps %d is too large\n", nb_frames); + return AVERROR(EINVAL); + } + avio_wb32(pb, 0); /* size */ ffio_wfourcc(pb, "tmcd"); /* Data format */ avio_wb32(pb, 0); /* Reserved */ |