[FFmpeg-cvslog] avformat/avidec: Workaround broken initial frame
Michael Niedermayer
git at videolan.org
Tue Sep 15 04:28:10 CEST 2015
ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Tue Sep 15 04:01:27 2015 +0200| [3e2ef00394b8079e93835d47c993868229f07502] | committer: Michael Niedermayer
avformat/avidec: Workaround broken initial frame
Fixes Ticket4851
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3e2ef00394b8079e93835d47c993868229f07502
---
libavformat/avidec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index 30b9497..2b4bc84 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -1568,7 +1568,8 @@ static int avi_read_idx1(AVFormatContext *s, int size)
ast = st->priv_data;
if (first_packet && first_packet_pos) {
- data_offset = first_packet_pos - pos;
+ if (avi->movi_list + 4 != pos || pos + 500 > first_packet_pos)
+ data_offset = first_packet_pos - pos;
first_packet = 0;
}
pos += data_offset;
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