-external=true#getFrameAtTime-long-" title="class or interface in android.media"><code>MediaMetadataRetriever.getFrameAtTime(long)</code></a> is used to
 extract the video frame.

 <p>When retrieving the frame at the given time position, there is no guarantee that the data
 source has a frame located at the position. When this happens, a frame nearby will be returned.
 If the long is negative, time position and option will ignored, and any frame that the
 implementation considers as representative may be re