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| author | Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> | 2015-04-28 20:31:56 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-01 23:25:21 +0200 |
| commit | e0ef1b8c0b21122850458d1c2c229d8bd852a74d (patch) | |
| tree | 117d9282a5da36e9c805b9a6d2da4a49c18e5ad2 | |
| parent | 723d2b0c5b6b8e433fc1d8ed001e571107578079 (diff) | |
| download | ffmpeg-e0ef1b8c0b21122850458d1c2c229d8bd852a74d.tar.gz | |
nutdec: check for negative frame rate in decode_info_header
A negative frame rate triggers an av_assert2 in av_rescale_rnd.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 6621105877ce0d65724a8ab60b3a50160adbe65d)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavformat/nutdec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c index 6fff2bb132..def89849f5 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -575,7 +575,8 @@ static int decode_info_header(NUTContext *nut) if (stream_id_plus1 && !strcmp(name, "r_frame_rate")) { sscanf(str_value, "%d/%d", &st->r_frame_rate.num, &st->r_frame_rate.den); - if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den) + if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den || + st->r_frame_rate.num < 0 || st->r_frame_rate.num < 0) st->r_frame_rate.num = st->r_frame_rate.den = 0; continue; } |