Message ID | 20181012014021.9579-2-michael@niedermayer.cc |
---|---|
State | New |
Headers | show |
diff --git a/libavformat/utils.c b/libavformat/utils.c index fa3699daef..2c965a7fb2 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -1352,7 +1352,7 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st, /* This is tricky: the dts must be incremented by the duration * of the frame we are displaying, i.e. the last I- or P-frame. */ - if (st->last_IP_duration == 0) + if (st->last_IP_duration <= 0) st->last_IP_duration = pkt->duration; if (pkt->dts != AV_NOPTS_VALUE) st->cur_dts = pkt->dts + st->last_IP_duration;
From: Thomas Guilbert <tguilbert@chromium.org> If ever we have a negative last_IP_duration, we can end up with a long overflow. This makes sure we use pkt->duration instead of last_IP_duration if last_IP_duration is negative. Fixes: compute_pkt_usan --- libavformat/utils.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)