[liubo@beta ~]$ tail -f /tmp/videoConvert.log
  Duration: 00:00:58.7, start: 0.784000, bitrate: 1428 kb/s
  Stream #0.0[0x1e0]: Video: mpeg1video, yuv420p, 352x288, 1150 kb/s, 25.00 fps(
r)
  Stream #0.1[0x1c0]: Audio: mp2, 44100 Hz, stereo, 224 kb/s
Output #0, flv, to '/var/www/boso.com/temp/4d383da891ba388faa06f5bd74066d15.flv'
:
  Stream #0.0: Video: flv, yuv420p, 514x402, q=2-31, 200 kb/s, 25.00 fps(c)
  Stream #0.1: Audio: 0x0000, 22050 Hz, 0 channels, 56 kb/s
Stream mapping:
  Stream #0.0 -> #0.0
  Stream #0.1 -> #0.1
Unsupported codec for output stream #0.1