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| author | Andreas Cadhalpun <andreas.cadhalpun@googlemail.com> | 2015-04-28 20:31:56 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-10 02:13:10 +0200 |
| commit | 7f2b3c3bee6f6ca57d7074cf272685c2c0e3f03c (patch) | |
| tree | 2bd52c6ad85dbc0d2c52519ab991cce8ff7706b7 | |
| parent | 35ca5eb11f19faf86dbd0c604594091d5ff182ac (diff) | |
| download | ffmpeg-7f2b3c3bee6f6ca57d7074cf272685c2c0e3f03c.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 13048fba97..3eb6d4b703 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -530,7 +530,8 @@ 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; } |