From f655ddfb47e8484b205b14c7f871c643ad24d701 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 8 Mar 2018 17:28:36 +0100 Subject: avformat/oggparsedaala: Do not adjust AV_NOPTS_VALUE Fixes: potential signed integer overflow Signed-off-by: Michael Niedermayer --- libavformat/oggparsedaala.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'libavformat/oggparsedaala.c') diff --git a/libavformat/oggparsedaala.c b/libavformat/oggparsedaala.c index a373b41b4c..e944470aca 100644 --- a/libavformat/oggparsedaala.c +++ b/libavformat/oggparsedaala.c @@ -218,6 +218,7 @@ static int daala_packet(AVFormatContext *s, int idx) int seg, duration = 1; struct ogg *ogg = s->priv_data; struct ogg_stream *os = ogg->streams + idx; + int64_t pts; /* * first packet handling: here we parse the duration of each packet in the @@ -230,7 +231,10 @@ static int daala_packet(AVFormatContext *s, int idx) if (os->segments[seg] < 255) duration++; - os->lastpts = os->lastdts = daala_gptopts(s, idx, os->granule, NULL) - duration; + pts = daala_gptopts(s, idx, os->granule, NULL); + if (pts != AV_NOPTS_VALUE) + pts -= duration; + os->lastpts = os->lastdts = pts; if(s->streams[idx]->start_time == AV_NOPTS_VALUE) { s->streams[idx]->start_time = os->lastpts; if (s->streams[idx]->duration != AV_NOPTS_VALUE) -- cgit v1.2.3