[FFmpeg-user] web cam issue.

[Bret Clark]

Try
ffmpeg -f video4linux2  -i /dev/video1 http://localhost:8090/feed1.ffm


On 01/01/2012 03:36 PM, Luca Della Ghezza wrote:
> Hi to all and happy new year.
> I have a linux box with Ubuntu 10.04 (AMD64), kernel 2.6.32-37.
> I recently installed latest version of ffmpeg from git, because I'm
> trying to compile ffdiaporama suite. Apart from this I'm trying to use
> ffserver and ffmpeg to stream my webcam.
> ffserver starts with no problems, but ffmpeg isn't able to access my web
> cam
>
> luca at pc-cuarto:~$ ffmpeg -i /dev/video1 http://localhost:8090/feed1.ffm
> ffmpeg version N-36211-g5764301, Copyright (c) 2000-2011 the FFmpeg
> developers
>    built on Dec 27 2011 09:58:18 with gcc 4.4.3
>    configuration: --enable-libmp3lame --enable-libxvid --enable-libvorbis
> --enable-gpl --enable-libfaac --enable-libtheora --enable-zlib
> --disable-shared --enable-libx264 --enable-libdirac --enable-nonfree
> --enable-version3 --enable-libschroedinger --enable-avfilter
> --enable-libspeex --enable-libopenjpeg --enable-libgsm --enable-postproc
> --enable-pthreads --enable-libopencore-amrnb --enable-libopencore-amrwb
> --enable-ffplay --enable-pthreads --prefix=/usr/local --enable-x11grab
> --enable-runtime-cpudetect --enable-bzlib --enable-libdc1394
> --enable-libvpx
>    libavutil      51. 33.100 / 51. 33.100
>    libavcodec     53. 48.100 / 53. 48.100
>    libavformat    53. 28.100 / 53. 28.100
>    libavdevice    53.  4.100 / 53.  4.100
>    libavfilter     2. 54.100 /  2. 54.100
>    libswscale      2.  1.100 /  2.  1.100
>    libswresample   0.  5.100 /  0.  5.100
>    libpostproc    51.  2.100 / 51.  2.100
> /dev/video1: Invalid data found when processing input
> luca at pc-cuarto:~$
>
> After the error appears on terminal, I find this line in dmesg:
>
> [23958.647431] zc3xx: probe 2wr ov vga 0x0000
>
>
> Note that my web cam is normally working with a plenty of software like:
> skype, motion, amsn, cheese, uvcwiev, etc.
>
> Can somebody help me?
> Thx a lot.
>
> Luca
>
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