title: How to extract the 1st frame and restore as an image with ffmpeg?
body: <p>Anyone knows the trick?</p>
  
  <p>And how to install ffmpeg ? <code>yum install mpeg</code> only returns this:</p>
  
  <pre><code>======================================================================================== Matched: mpeg ========================================================================================
  libiec61883.i386 : Streaming library for IEEE1394
  libiec61883.x86_64 : Streaming library for IEEE1394
  qffmpeg-devel.i386 : Development package for qffmpeg
  qffmpeg-devel.x86_64 : Development package for qffmpeg
  qffmpeg-libs.i386 : Libraries for qffmpeg
  qffmpeg-libs.x86_64 : Libraries for qffmpeg
  </code></pre>