avformat/mxfenc: instance number is just 24 bits

Fixes assertion failure Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · a0fec71ebd
parent 5c4fc51d9b
commit a0fec71ebd
1 changed files with 1 additions and 1 deletions
--- 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)