Merge commit '2889c5e16711770437f380f1bead5f72c6a0b17a'

* commit '2889c5e16711770437f380f1bead5f72c6a0b17a':
  movenc: Heuristically set the duration of the last sample in a fragment if not set

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

libavformat/movenc.h

@@ -192,6 +192,7 @@ typedef struct MOVMuxContext {
     float gamma;
 
     int frag_interleave;
+    int missing_duration_warned;
 } MOVMuxContext;
 
 #define FF_MOV_FLAG_RTP_HINT              (1 <<  0)