ffmpeg | branch: master | Derek Buitenhuis <[email protected]> | Tue 
Sep  1 15:21:52 2020 +0100| [19064a36e39a113568cb4ea2d581747fd43e055a] | 
committer: Derek Buitenhuis

avformat/mov: Do not try and seek to an mfra if the reader can't seek

Signed-off-by: Derek Buitenhuis <[email protected]>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=19064a36e39a113568cb4ea2d581747fd43e055a
---

 libavformat/mov.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index f0b4edc2ed..49c2d05d21 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -5094,7 +5094,7 @@ static int mov_read_sidx(MOVContext *c, AVIOContext *pb, 
MOVAtom atom)
 
     // See if the remaining bytes are just an mfra which we can ignore.
     is_complete = offset == stream_size;
-    if (!is_complete) {
+    if (!is_complete && (pb->seekable & AVIO_SEEKABLE_NORMAL)) {
         int64_t ret;
         int64_t original_pos = avio_tell(pb);
         int32_t mfra_size;

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