Input #0, matroska,webm, from '/vagrant/projects/test.webm':
  Metadata:
    encoder         : Lavf57.36.100
  Duration: 00:00:14.01, start: 0.000000, bitrate: 945 kb/s
    Stream #0:0: Video: vp8, yuv420p, 720x720, SAR 1:1 DAR 1:1, 29.97 fps, 29.97 tbr, 1k tbn, 1k tbc (default)
Output #0, image2, to 'out.png':
  Metadata:
    encoder         : Lavf56.25.101
    Stream #0:0: Video: png, rgb24, 720x720 [SAR 1:1 DAR 1:1], q=2-31, 200 kb/s, 29.97 fps, 29.97 tbn, 29.97 tbc (default)
    Metadata:
      encoder         : Lavc56.26.100 png