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Don't manipulate duration when it's AV_NOPTS_VALUE.

This leads to signed integer overflow.

Signed-off-by: Dale Curtis <dalecurtis@chromium.org>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit c5fd57f483d2ad8e34551b78509f1e14136f73c0)
This commit is contained in:
Dale Curtis 2017-11-28 14:26:55 -08:00 committed by James Almer
parent 752659ff1e
commit ceed79323c

View File

@ -125,7 +125,7 @@ static int vp8_packet(AVFormatContext *s, int idx)
os->lastdts = vp8_gptopts(s, idx, os->granule, NULL) - duration;
if(s->streams[idx]->start_time == AV_NOPTS_VALUE) {
s->streams[idx]->start_time = os->lastpts;
if (s->streams[idx]->duration)
if (s->streams[idx]->duration && s->streams[idx]->duration != AV_NOPTS_VALUE)
s->streams[idx]->duration -= s->streams[idx]->start_time;
}
}