Archived:VLC-V4L: Difference between revisions
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==Guides== |
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* VLC's [http://wiki.videolan.org/index.php/How_to_Create_a_DVD How to Create a DVD] |
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* [http://www.videolan.org/streaming/features.html Permitted combinations] |
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adev=/dev/dsp$DEV:audio=0:stop-time=$TIM --sout #transcode{vcodec=h264,\ |
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* [http://wiki.videolan.org/index.php/Codec Codec names] |
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acodec=mpga,vb=512,ab=96,samplerate=32000,venc=ffmpeg{keyint=80,hurry-up,\ |
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* [http://distributions.linux.com/howtos/VideoLAN-HOWTO/x988.shtml Some common parameters explained] |
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==Examples== |
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This doesn't actually work -- you may need to give the full samplerate as "32000,16,2" not to get speeded-up audio, and you may need to set the aspect ration. You may also want "strict-rc" as an ffmpeg parameter, said to help compatibility (but maybe not with x264?); possibly add "channels=2" to the audio parameters. There's also the problem that you can't put variables inside the parameter lists -- not sure how to get around that, ask on vlc-devel. Work in progress. |
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adev=/dev/dsp1:samplerate=32000:audio=0:stop-time=60 \ |
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--sout "#transcode{vcodec=h264,fps=29.97,acodec=mp3}\ |
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Note that vlc uses alsactl to find sound devices, so oss devices may not work. |
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Latest revision as of 20:12, 2 November 2008
Guides
Examples
To record to x264 with VLC, use something like this:
vlc v4l:/dev/video0:norm=ntsc:frequency=77250:size=640x480:channel=5:\
adev=/dev/dsp1:samplerate=32000:audio=0:stop-time=60 \
--sout "#transcode{vcodec=h264,fps=29.97,acodec=mp3}\
:std{access=file,mux=ts,dst=output.mpg}" aspect-ratio "4:3" -I dummy
Note that vlc uses alsactl to find sound devices, so oss devices may not work.