seece@vbox:~$ ffplay http://localhost/test.ogg
ffplay version N-57102-gfa7e9f9 Copyright (c) 2003-2013 the FFmpeg developers
  built on Oct 13 2013 16:30:34 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl --enable-x11grab --enable-libx264 --enable-libvorbis --disable-debug --enable-libmp3lame
  libavutil      52. 46.101 / 52. 46.101
  libavcodec     55. 35.100 / 55. 35.100
  libavformat    55. 19.100 / 55. 19.100
  libavdevice    55.  4.100 / 55.  4.100
  libavfilter     3. 88.101 /  3. 88.101
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.103 /  0. 17.103
  libpostproc    52.  3.100 / 52.  3.100
[ogg @ 0xb1601980] Format ogg detected only with low score of 1, misdetection possible!
http://localhost/test.ogg: Operation not permitted