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| author | Martin Storsjö <martin@martin.st> | 2013-09-16 20:58:38 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-09-18 11:30:06 +0300 |
| commit | 0f310a6f333b016d336674d086045e8473fdf918 (patch) | |
| tree | e92d9ec9856d430b786f0626078d1d7bef781831 /libavformat/rmdec.c | |
| parent | e7bf085b78586a04b918f4e76587779d04674700 (diff) | |
| download | ffmpeg-0f310a6f333b016d336674d086045e8473fdf918.tar.gz | |
rmdec: Validate the fps value
Abort if it is invalid if strict error checking has been requested.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/rmdec.c')
| -rw-r--r-- | libavformat/rmdec.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/libavformat/rmdec.c b/libavformat/rmdec.c index afa37de736..d61f56908c 100644 --- a/libavformat/rmdec.c +++ b/libavformat/rmdec.c @@ -332,8 +332,13 @@ ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb, if ((ret = rm_read_extradata(pb, st->codec, codec_data_size - (avio_tell(pb) - codec_pos))) < 0) return ret; - av_reduce(&st->avg_frame_rate.den, &st->avg_frame_rate.num, - 0x10000, fps, (1 << 30) - 1); + if (fps > 0) { + av_reduce(&st->avg_frame_rate.den, &st->avg_frame_rate.num, + 0x10000, fps, (1 << 30) - 1); + } else if (s->error_recognition & AV_EF_EXPLODE) { + av_log(s, AV_LOG_ERROR, "Invalid framerate\n"); + return AVERROR_INVALIDDATA; + } } skip: |