root@beagleboard:~# ffserver -f ~/ffserver.conf & ffmpeg -v 2 -r 5 -s 640x480 -f
 video4linux2 -i /dev/video0 http://localhost:8090/webcam.ffm
FFserver version UNKNOWN, Copyright (c) 2000-2011 the FFmpeg developers
  built on Feb 27 2011 16:03:52 with gcc 4.3.3
  configuration: --enable-shared --enable-pthreads --disable-stripping --enable-
gpl --enable-postproc --cross-prefix=arm-angstrom-linux-gnueabi- --prefix=/usr -
-enable-ffserver --enable-ffplay --enable-x11grab --enable-libgsm --enable-libmp
3lame --enable-libschroedinger --enable-libtheora --enable-libvorbis --enable-li
bvpx --arch=arm --target-os=linux --enable-cross-compile --extra-cflags=' -fexpe
nsive-optimizations -fno-tree-vectorize -fomit-frame-pointer -O4 -ffast-math -ma
rch=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork -mn
o-thumb --sysroot=/OE/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi' --ext
ra-ldflags='-Wl,-O1 -Wl,--hash-style=gnu' --sysroot=/OE/angstrom-dev/sysroots/ar
mv7a-angstrom-linux-gnueabi --enable-hardcoded-tables --cpu=cortex-a8
  libavutil    50. 39. 0 / 50. 39. 0
  libavcodec   52.113. 2 / 52.113. 2
  libavformat  52.102. 0 / 52.102. 0
  libavdevice  52.  2. 3 / 52.  2. 3
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
  libpostproc  51.  2. 0 / 51.  2. 0
FFmpeg version UNKNOWN, Copyright (c) 2000-2011 the FFmpeg developers
  built on Feb 27 2011 16:03:52 with gcc 4.3.3
  configuration: --enable-shared --enable-pthreads --disable-stripping --enable-gpl --enable-postproc --cross-prefix=arm-angstrom-linux-gnueabi- --prefix=/usr --enable-ffserver --enable-ffplay --enable-x11grab --enable-libgsm --enable-libmp3lame --enable-libschroedinger --enable-libtheora --enable-libvorbis --enable-libvpx --arch=arm --target-os=linux --enable-cross-compile --extra-cflags=' -fexpensive-optimizations -fno-tree-vectorize -fomit-frame-pointer -O4 -ffast-math -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=softfp -mthumb-interwork -mno-thumb --sysroot=/OE/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi' --extra-ldflags='-Wl,-O1 -Wl,--hash-style=gnu' --sysroot=/OE/angstrom-dev/sysroots/armv7a-angstrom-linux-gnueabi --enable-hardcoded-tables --cpu=cortex-a8
  libavutil    50. 39. 0 / 50. 39. 0
  libavcodec   52.113. 2 / 52.113. 2
  libavformat  52.102. 0 / 52.102. 0
  libavdevice  52.  2. 3 / 52.  2. 3
  libavfilter   1. 76. 0 /  1. 76. 0
  libswscale    0. 12. 0 /  0. 12. 0
  libpostproc  51.  2. 0 / 51.  2. 0
[video4linux2 @ 0x29e30] The driver changed the time per frame from 1/5 to 1/30
[video4linux2 @ 0x29e30] Estimating duration from bitrate, this may be inaccurate
Input #0, video4linux2, from '/dev/video0':
  Duration: N/A, start: 1319970575.004974, bitrate: 147456 kb/s

    Stream #0.0: Video: rawvideo, yuyv422, 640x480, 147456 kb/s, 30 tbr, 1000k tbn, 30 tbc
[buffer @ 0x2de70] w:640 h:480 pixfmt:yuyv422
[scale @ 0x2e240] w:640 h:480 fmt:yuyv422 -> w:320 h:240 fmt:yuv420p flags:0x4
[buffer @ 0x37190] w:640 h:480 pixfmt:yuyv422
[ffsink @ 0x48980] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
[scale @ 0x48c80] w:640 h:480 fmt:yuyv422 -> w:640 h:480 fmt:yuv420p flags:0x4
[buffer @ 0x48e60] w:640 h:480 pixfmt:yuyv422
[scale @ 0x4b120] w:640 h:480 fmt:yuyv422 -> w:320 h:240 fmt:yuvj420p flags:0x4
Output #0, ffm, to 'http://localhost:8090/webcam.ffm':
  Metadata:
    encoder         : Lavf52.102.0
    Stream #0.0: Video: flv, yuv420p, 320x240, q=5-10, 200 kb/s, 1000k tbn, 2 tbc
    Stream #0.1: Video: msmpeg4, yuv420p, 640x480, q=1-10, 200 kb/s, 1000k tbn, 2 tbc
    Stream #0.2: Video: mjpeg, yuvj420p, 320x240, q=2-31, 200 kb/s, 1000k tbn, 2 tbc
Stream mapping:

  Stream #0.0 -> #0.0
  Stream #0.0 -> #0.1
  Stream #0.0 -> #0.2
Press [q] to stop encoding
[flv @ 0x37410] rc buffer underflow
[msmpeg4 @ 0x37a30] rc buffer underflow
[mjpeg @ 0x381c0] rc buffer underflow
frame=    2 fps=  2 q=31.0 q=31.0 q=2.5 size=      32kB time=1.00 bitrate= 262.1frame=    2 fps=  1 q=31.0 q=31.0 q=2.5 size=      32kB time=1.00 bitrate= 262.1frame=    3 fps=  1 q=31.0 q=31.0 q=1.6 size=      64kB time=1.50 bitrate= 349.5frame=    3 fps=  1 q=31.0 q=31.0 q=1.6 size=      64kB time=1.50 bitrate= 349.5frame=    4 fps=  1 q=31.0 q=31.0 q=1.6 size=      88kB time=2.00 bitrate= 360.4frame=    5 fps=  1 q=31.0 q=31.0 q=1.6 size=     116kB time=2.50 bitrate= 380.1frame=    5 fps=  1 q=31.0 q=31.0 q=1.6 size=     116kB time=2.50 bitrate= 380.1frame=    6 fps=  1 q=31.0 q=31.0 q=1.6 size=     128kB time=3.00 bitrate= 349.5frame=    7 fps=  1 q=29.5 q=31.0 q=1.6 size=     140kB time=3.50 bitrate= 327.7frame=    8 fps=  1 q=20.9 q=31.0 q=1.6 size=     148kB time=4.00 bitrate= 303.1frame=    9 fps=  1 q=14.9 q=31.0 q=1.6 size=     160kB time=4.50 bitrate= 291.3frame=   10 fps=  1 q=10.9 q=31.0 q=1.6 size=     168kB time=5.00 bitrate= 275.3frame=   11 fps=  1 q=8.3 q=31.0 q=1.6 size=     176kB time=5.50 bitrate= 262.1kframe=   12 fps=  1 q=7.2 q=31.0 q=1.6 size=     188kB time=6.00 bitrate= 256.7kframe=   13 fps=  2 q=5.0 q=24.8 q=1.6 size=     204kB time=6.50 bitrate= 257.1kSegmentation fault192
@beagleboard:/home/root#