title: How to add a new audio (not mixing) into a video using ffmpeg?
body: <p>I used a command like:</p>
  
  <pre><code>ffmpeg -i video.avi -i audio.mp3 -vcodec codec -acodec codec output_video.avi -newaudio
  </code></pre>
  
  <p>in latest version for adding new audio track to video (not mix). </p>
  
  <p>But I updated the ffmpeg to the newest version (<strong>ffmpeg version git-2012-06-16-809d71d</strong>) and now in this version the parameter <code>-newaudio</code> doesn't work.</p>
  
  <p>Tell me please how I can add new audio to my video (not mix) using <code>ffmpeg</code>.</p>