Commit c5fd57f4 authored by Dale Curtis's avatar Dale Curtis Committed by James Almer

Don't manipulate duration when it's AV_NOPTS_VALUE.

This leads to signed integer overflow.
Signed-off-by: 's avatarDale Curtis <dalecurtis@chromium.org>
Signed-off-by: 's avatarJames Almer <jamrial@gmail.com>
parent a3a0b5bd
......@@ -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;
}
}
......
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