[FFmpeg-cvslog] avformat/oggdec: Skip streams in duration correction that did not had their duration set.
Michael Niedermayer
git at videolan.org
Sun Dec 11 01:43:59 EET 2016
ffmpeg | branch: release/3.1 | Michael Niedermayer <michael at niedermayer.cc> | Fri Dec 9 17:01:14 2016 +0100| [119301d3129ef53f3ce698a062edb6fafdc715b6] | committer: Michael Niedermayer
avformat/oggdec: Skip streams in duration correction that did not had their duration set.
Fixes: part of 670190.ogg
Fixes integer overflow
Found-by: Matt Wolenetz <wolenetz at google.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit ee2a6f5df8c6a151c3e3826872f1b0a07401c62a)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=119301d3129ef53f3ce698a062edb6fafdc715b6
---
libavformat/oggdec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 47a0cba..e1ef213 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -643,6 +643,8 @@ static int ogg_get_length(AVFormatContext *s)
int64_t pts;
if (i < 0) continue;
pts = ogg_calc_pts(s, i, NULL);
+ if (s->streams[i]->duration == AV_NOPTS_VALUE)
+ continue;
if (pts != AV_NOPTS_VALUE && s->streams[i]->start_time == AV_NOPTS_VALUE && !ogg->streams[i].got_start) {
s->streams[i]->duration -= pts;
ogg->streams[i].got_start= 1;
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