Merge commit '448c8cfe4c53e9e806effd8505b46d57fa707061'

* commit '448c8cfe4c53e9e806effd8505b46d57fa707061':
  movenc: Support setting fragment_index before the moov atom is written

Conflicts:
	libavformat/movenc.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/movenc.h

@@ -168,6 +168,7 @@ typedef struct MOVMuxContext {
     int iods_video_profile;
     int iods_audio_profile;
 
+    int moov_written;
     int fragments;
     int max_fragment_duration;
     int min_fragment_duration;