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| author | Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> | 2015-04-28 20:31:56 +0200 |
|---|---|---|
| committer | Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> | 2015-05-14 19:07:55 +0200 |
| commit | a13a288ec810027f0c1f23bb1385a85d3c554db5 (patch) | |
| tree | 833c1f0fefc45fd87ae7e527b809afea6053a240 | |
| parent | 9f2c8734b9c3f963dd85c527ee0b588aebb21e17 (diff) | |
| download | ffmpeg-a13a288ec810027f0c1f23bb1385a85d3c554db5.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: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
| -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 00e86bb50b..65d799ee5d 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -553,7 +553,8 @@ 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; } |