[FFmpeg-cvslog] avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE
Michael Niedermayer
git at videolan.org
Sun Jul 5 20:50:25 EEST 2020
ffmpeg | branch: release/2.8 | Michael Niedermayer <michael at niedermayer.cc> | Sun Feb 16 18:51:52 2020 +0100| [40a039fee49d109f48dcee0b4ea7306aa4fc374d] | committer: Michael Niedermayer
avformat/mpegenc: Fix integer overflow with AV_NOPTS_VALUE
Fixes: signed integer overflow: -9223372036854775808 - 45000 cannot be represented in type 'long'
Fixes: ticket8187
Found-by: Suhwan
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 9874815b1aadadd7fd19aa6aabb7d9193f2f43d5)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=40a039fee49d109f48dcee0b4ea7306aa4fc374d
---
libavformat/mpegenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/mpegenc.c b/libavformat/mpegenc.c
index b3ee2a09b9..9061a643aa 100644
--- a/libavformat/mpegenc.c
+++ b/libavformat/mpegenc.c
@@ -1155,7 +1155,7 @@ static int mpeg_mux_write_packet(AVFormatContext *ctx, AVPacket *pkt)
if (s->is_dvd) {
// min VOBU length 0.4 seconds (mpucoder)
if (is_iframe &&
- (s->packet_number == 0 ||
+ (s->packet_number == 0 || pts != AV_NOPTS_VALUE &&
(pts - stream->vobu_start_pts >= 36000))) {
stream->bytes_to_iframe = av_fifo_size(stream->fifo);
stream->align_iframe = 1;
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