$ ffserver -f ffserver.conf &  ffmpeg  -r 5 -s 640x480 -f video4linux2 -i /dev/video0 -f alsa -i hw:0,0 -acodec libmp3lame -ab 32k   http://localhost:2210/webcam.ffm
[2] 10595
ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
  built on Jun  9 2012 13:52:52 with gcc 4.7.0 20120505 (prerelease)
  configuration: --prefix=/usr --enable-libmp3lame --enable-libvorbis --enable-libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-libgsm --enable-libspeex --enable-postproc --enable-shared --enable-x11grab --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libschroedinger --enable-libopenjpeg --enable-librtmp --enable-libpulse --enable-libv4l2 --enable-gpl --enable-version3 --enable-runtime-cpudetect --disable-debug --disable-static
  libavutil      51. 54.100 / 51. 54.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    54.  0.100 / 54.  0.100
  libavfilter     2. 77.100 /  2. 77.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
ffserver version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers
  built on Jun  9 2012 13:52:52 with gcc 4.7.0 20120505 (prerelease)
  configuration: --prefix=/usr --enable-libmp3lame --enable-libvorbis --enable-libxvid --enable-libx264 --enable-libvpx --enable-libtheora --enable-libgsm --enable-libspeex --enable-postproc --enable-shared --enable-x11grab --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libschroedinger --enable-libopenjpeg --enable-librtmp --enable-libpulse --enable-libv4l2 --enable-gpl --enable-version3 --enable-runtime-cpudetect --disable-debug --disable-static
  libavutil      51. 54.100 / 51. 54.100
  libavcodec     54. 23.100 / 54. 23.100
  libavformat    54.  6.100 / 54.  6.100
  libavdevice    54.  0.100 / 54.  0.100
  libavfilter     2. 77.100 /  2. 77.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
bind(port 2210): Address already in use
[video4linux2,v4l2 @ 0x8eee560] The driver changed the time per frame from 1/5 to 1/30
[video4linux2,v4l2 @ 0x8eee560] Estimating duration from bitrate, this may be inaccurate
Input #0, video4linux2,v4l2, from '/dev/video0':
  Duration: N/A, start: 513460.585486, bitrate: 110592 kb/s
    Stream #0:0: Video: rawvideo (I420 / 0x30323449), yuv420p, 640x480, 110592 kb/s, 30 tbr, 1000k tbn, 30 tbc
[alsa @ 0x8ee8940] Estimating duration from bitrate, this may be inaccurate
Guessed Channel Layout for  Input Stream #1.0 : stereo
Input #1, alsa, from 'hw:0,0':
  Duration: N/A, start: 1343847709.271352, bitrate: 1536 kb/s
    Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
[tcp @ 0x8f044e0] TCP connection to localhost:2210 failed: Connection refused
[tcp @ 0x8f049e0] TCP connection to localhost:2210 failed: Connection refused
[aformat @ 0x8ef3820] auto-inserting filter 'auto-inserted resampler 0' between the filter 'src' and the filter 'aformat'
[aresample @ 0x8ef4440] chl:stereo fmt:s16 r:48000Hz -> chl:mono fmt:s16 r:22050Hz
[buffer @ 0x8ef3780] w:640 h:480 pixfmt:yuv420p tb:1/1000000 sar:0/1 sws_param:flags=2
[buffersink @ 0x8ee80a0] No opaque field provided
[scale @ 0x8ef3da0] w:640 h:480 fmt:yuv420p sar:0/1 -> w:640 h:480 fmt:yuv420p sar:0/1 flags:0x4
Output #0, ffm, to 'http://localhost:2210/webcam.ffm':
  Metadata:
    encoder         : Lavf54.6.100
    Stream #0:0: Audio: wmav2, 22050 Hz, mono, s16, 31 kb/s
    Stream #0:1: Video: msmpeg4, yuv420p, 640x480, q=1-10, 200 kb/s, 1000k tbn, 30 tbc
Stream mapping:
  Stream #1:0 -> #0:0 (pcm_s16le -> wmav2)
  Stream #0:0 -> #0:1 (rawvideo -> msmpeg4)
Press [q] to stop, [?] for help
[2]+  Exit 1                  ffserver -f ffserver.conf
Speicherzugriffsfehler