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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-03-04 18:54:00 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-03-04 18:54:00 +0100 |
| commit | 7992bdbeb4ba72a9d28e72acc2b3bc0d198401ec (patch) | |
| tree | bd5d012ff8cc1b6d90d339f742b778044ad1742b /libavformat/utils.c | |
| parent | dae38a66ebd8a71aad51a29311f1c50df3ae3a2e (diff) | |
update_stream_timings: check bitrate for being in range.
Fixes numerical overflow
Fixes Ticket2089
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavformat/utils.c')
| -rw-r--r-- | libavformat/utils.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c index 724cc05366..f71184f65e 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -2230,8 +2230,10 @@ static void update_stream_timings(AVFormatContext *ic) } if (ic->pb && (filesize = avio_size(ic->pb)) > 0 && ic->duration != AV_NOPTS_VALUE) { /* compute the bitrate */ - ic->bit_rate = (double)filesize * 8.0 * AV_TIME_BASE / + double bitrate = (double)filesize * 8.0 * AV_TIME_BASE / (double)ic->duration; + if (bitrate >= 0 && bitrate <= INT_MAX) + ic->bit_rate = bitrate; } } |