diff options
-rw-r--r-- | libavformat/mxfenc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index 51ed2122df..5e77a3f068 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) |