[FFmpeg-cvslog] avformat/flvdec: accept sizes if they are off by 11

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri Oct  2 20:05:06 2015 +0200| [14f6c4356b4a5d649858c245eb3ffd503d5abe72] | committer: Michael Niedermayer

avformat/flvdec: accept sizes if they are off by 11

This error was produced by rtmproto.c, it is possibly such streams
where dumped, this commit is needed to support them

Fixes: z0e.flv

Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=14f6c4356b4a5d649858c245eb3ffd503d5abe72
---

 libavformat/flvdec.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/flvdec.c b/libavformat/flvdec.c
index a59c07d..8f21fc1 100644
--- a/libavformat/flvdec.c
+++ b/libavformat/flvdec.c
@@ -1138,7 +1138,9 @@ retry_duration:
 
 leave:
     last = avio_rb32(s->pb);
-    if (last != orig_size + 11 && !flv->broken_sizes) {
+    if (last != orig_size + 11 &&
+        (last != orig_size || !last) &&
+        !flv->broken_sizes) {
         av_log(s, AV_LOG_ERROR, "Packet mismatch %d %d\n", last, orig_size + 11);
         avio_seek(s->pb, pos + 1, SEEK_SET);
         ret = resync(s);