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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-03-08 17:28:36 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-10-23 01:44:40 +0200 |
| commit | 81a6076e4b8eb3c9bd6cb3c9c425c5053731d9f6 (patch) | |
| tree | 178b119d66c52cbdda070f0ac5e4bc7bd739a040 | |
| parent | 7fd80d91f72ce456fba8d611727bbdac9038eda7 (diff) | |
| download | ffmpeg-81a6076e4b8eb3c9bd6cb3c9c425c5053731d9f6.tar.gz | |
avformat/oggparsetheora: Do not adjust AV_NOPTS_VALUE
Fixes: Chromium bug 795653
Fixes: signed integer overflow: 9223372036854775807 + 1 cannot be represented in type 'long'
Reported-by: Matt Wolenetz <wolenetz@google.com>
Reviewed-by: Matt Wolenetz <wolenetz@google.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 02ecda4aba69670ca744ccc640391b7621f01fb0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/oggparsetheora.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavformat/oggparsetheora.c b/libavformat/oggparsetheora.c index 5f057c3c8a..6db3d9f848 100644 --- a/libavformat/oggparsetheora.c +++ b/libavformat/oggparsetheora.c @@ -181,6 +181,7 @@ static int theora_packet(AVFormatContext *s, int idx) if ((!os->lastpts || os->lastpts == AV_NOPTS_VALUE) && !(os->flags & OGG_FLAG_EOS)) { int seg; + int64_t pts; duration = 1; for (seg = os->segp; seg < os->nsegs; seg++) { @@ -188,7 +189,10 @@ static int theora_packet(AVFormatContext *s, int idx) duration ++; } - os->lastpts = os->lastdts = theora_gptopts(s, idx, os->granule, NULL) - duration; + pts = theora_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 > 0) |