title: How to access framebuffer with FFMPEG?
body: <p>I'm writing an application which need to capture screen. I've looked up for solution and internet says that <code>FFMPEG</code> could do it. But I can't find the way to do that <strong>IN CODE</strong>. <code>FFMPEG</code> documentation seems to be very poor.</p>
  
  <p>Can anybody please tell me how do I access framebuffer raw data with <code>FFMPEG</code>?</p>