[FFmpeg-cvslog] avformat/mov: Fix return type used for av_seek in mfra code

[Derek Buitenhuis]

ffmpeg | branch: master | Derek Buitenhuis <derek.buitenhuis at gmail.com> | Tue Sep  1 15:15:28 2020 +0100| [0c13f8a28c155a0a29667c4c5f0102abc6063416] | committer: Derek Buitenhuis

avformat/mov: Fix return type used for av_seek in mfra code

It should be a 64-bit integer, otherwise it overflows and fails
on files greater than 2GB on some systems like x86_64 Linux.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0c13f8a28c155a0a29667c4c5f0102abc6063416
---

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

diff --git a/libavformat/mov.c b/libavformat/mov.c
index dcec74662d..f0b4edc2ed 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -5095,7 +5095,7 @@ 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) {
-        int ret;
+        int64_t ret;
         int64_t original_pos = avio_tell(pb);
         int32_t mfra_size;
         if ((ret = avio_seek(pb, stream_size - 4, SEEK_SET)) < 0)