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authorMichael Niedermayer <michael@niedermayer.cc>2016-12-09 17:01:14 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2016-12-09 17:46:10 +0100
commit7c68d5e701511967471b70b14a4ebbeafb423373 (patch)
tree991c7757ed03685a25313b015db31630229aa855
parent0bcc7ea5dc243cae48e0b9c18b3bea717f184f6b (diff)
downloadffmpeg-7c68d5e701511967471b70b14a4ebbeafb423373.tar.gz
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@google.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit ee2a6f5df8c6a151c3e3826872f1b0a07401c62a) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavformat/oggdec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 8f3b44c3c5..7ecb42ce8f 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;