[root@dogfox ~]# ffmpeg -i /root/bigbuckbunny/big_buck_bunny_1080p_surround.avi http://localhost:8090/feed1.ffm
ffmpeg version git-2013-08-16-faf7c35 Copyright (c) 2000-2013 the FFmpeg developers
  built on Aug 18 2013 18:51:06 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-54)
  configuration: --prefix=/root/ffmpeg_build --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --bindir=/root/bin --extra-libs=-ldl --enable-gpl --enable-nonfree --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264
  libavutil      52. 42.100 / 52. 42.100
  libavcodec     55. 28.100 / 55. 28.100
  libavformat    55. 13.103 / 55. 13.103
  libavdevice    55.  3.100 / 55.  3.100
  libavfilter     3. 82.100 /  3. 82.100
  libswscale      2.  5.100 /  2.  5.100
  libswresample   0. 17.103 /  0. 17.103
  libpostproc    52.  3.100 / 52.  3.100
Input #0, avi, from '/root/bigbuckbunny/big_buck_bunny_1080p_surround.avi':
  Metadata:
    encoder         : AVI-Mux GUI 1.17.7, Aug  8 2006  20:59:17
    JUNK            :
  Duration: 00:09:56.46, start: 0.000000, bitrate: 12455 kb/s
    Stream #0:0: Video: mpeg4 (Simple Profile) (FMP4 / 0x34504D46), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 24 tbr, 24 tbn, 24 tbc
    Stream #0:1: Audio: ac3 ([0] [0][0] / 0x2000), 48000 Hz, 5.1(side), fltp, 448 kb/s
[libx264 @ 0x7addb80] broken ffmpeg default settings detected
[libx264 @ 0x7addb80] use an encoding preset (e.g. -vpre medium)
[libx264 @ 0x7addb80] preset usage: -vpre <speed> -vpre <profile>
[libx264 @ 0x7addb80] speed presets are listed in x264 --help
[libx264 @ 0x7addb80] profile is optional; x264 defaults to high
Output #0, ffm, to 'http://localhost:8090/feed1.ffm':
  Metadata:
    encoder         : AVI-Mux GUI 1.17.7, Aug  8 2006  20:59:17
    JUNK            :
    creation_time   : now
    Stream #0:0: Video: h264, yuv420p, 320x240 [SAR 4:3 DAR 16:9], q=2-31, 200 kb/s, 1000k tbn, 24 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (mpeg4 -> libx264)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height
[root@dogfox ~]#