From dd70470d72758b4e94b17c6808a5ed0c9e8fe097 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 9 Dec 2014 03:34:20 +0100 Subject: [PATCH] avformat/utils: Compute the current pts of mpeg1/2 I/P frames from the next frame when available Signed-off-by: Michael Niedermayer --- libavformat/utils.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/libavformat/utils.c b/libavformat/utils.c index f70223bfe2..3246da67ed 100644 --- a/libavformat/utils.c +++ b/libavformat/utils.c @@ -1102,6 +1102,14 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st, st->last_IP_duration = pkt->duration; if (pkt->dts != AV_NOPTS_VALUE) st->cur_dts = pkt->dts + st->last_IP_duration; + if (pkt->dts != AV_NOPTS_VALUE && + pkt->pts == AV_NOPTS_VALUE && + st->last_IP_duration > 0 && + (st->cur_dts - next_dts) <= 1 && + next_dts != next_pts && + next_pts != AV_NOPTS_VALUE) + pkt->pts = next_dts; + st->last_IP_duration = pkt->duration; st->last_IP_pts = pkt->pts; /* Cannot compute PTS if not present (we can compute it only