title: Create a video from jpeg with avconv => corrupted video
body: <p>Im trying to make a video (whatever the format) from a directory full of jpeg frames.</p>
  
  <p>I tried with avconv (v0.8), as seen on many topics on the internet, and the libav documentation as well :</p>
  
  <pre><code>avconv -i samples/*.jpeg output.mpeg
  </code></pre>
  
  <p>It seems to work nicely and create the output.mpeg file.</p>
  
  <p>But the file can't be read by any reader (vlc, banshee, totem,...). No error, but nothing happend when I press Play.</p>
  
  <p>If I check the video file size, it is about 20kB, whereas the original video is 10MB. So we can assume the data has not been stored into the file (it is about 20kB no matter the number of frames given on input)</p>
  
  <p>I made a pastebin of the debug log of the processing. I am not familiar with codec world, so I don't understand many things : <a href="http://pastebin.com/9dfxFWZe">http://pastebin.com/9dfxFWZe</a>.</p>
  
  <p>I also try a lot of combinations with -s, -r, -b, -vcodec, -f format, etc.. but the probleme is still there.</p>
  
  <p>Am I doing anything wrong ?</p>
  
  <p>Ask me anything that could help you, I will answer very quickly.</p>
  
  <p>Thank you for your help :)</p>