title: Save video to 3GP format
body: <p>I need to capture the video and video save to the sd card using hardware.camera class.</p>
  
  <p>I created sample application with Camera.callback. It work fine. But saved video not working.</p>
  
  <p>I saved the file in 3gp format. Each byte array added to a single byte array.And it saved to 3gp format.But it is not working.</p>
  
  <p>After i substitute the header and footer portion 3gp in to that file. But it is not working. what i do to record video in this way(hardware.camera)?</p>