[FFmpeg-cvslog] avformat/mxfenc: instance number is just 24 bits

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Sun Sep 29 14:33:40 2013 +0200| [a0fec71ebda18997de900980b28eb726373737c3] | committer: Michael Niedermayer

avformat/mxfenc: instance number is just 24 bits

Fixes assertion failure

Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a0fec71ebda18997de900980b28eb726373737c3
---

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

diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index 51ed212..5e77a3f 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -1660,7 +1660,7 @@ static void mxf_gen_umid(AVFormatContext *s)
     AV_WB64(mxf->umid  , umid);
     AV_WB64(mxf->umid+8, umid>>8);
 
-    mxf->instance_number = seed;
+    mxf->instance_number = seed & 0xFFFFFF;
 }
 
 static int mxf_write_header(AVFormatContext *s)