lavf: flush the output AVIOContext in av_write_trailer().

This is consistent with stdio and is what we want to do in all cases.

Fixes a bug in the voc muxer which didn't flush in write_trailer()
previously. This is the cause of the change in the test results.

1 files changed, 0 insertions, 2 deletions

diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c
index f25e08bb38..3d32be354a 100644
--- a/libavformat/mxfenc.c
+++ b/libavformat/mxfenc.c
@@ -1804,8 +1804,6 @@ static int mxf_write_footer(AVFormatContext *s)
         }
     }
 
-    avio_flush(pb);
-
     ff_audio_interleave_close(s);
 
     av_freep(&mxf->index_entries);