  
  <div class="jd-tagdata jd-tagdescr"><p>Sets the orientation hint for output video playback.
 <p>This method should be called before <code><a href="../../../reference/android/media/MediaMuxer.html#start()">start()</a></code>. Calling this
 method will not rotate the video frame when muxer is generating the file,
 but add a composition matrix containing the rotation angle in the output
 video if the output format is
 <code><a href="../../../reference/android/media/MediaMuxer.OutputFormat.html#MUXER_OUTPU