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Size: 520
Comment:
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← Revision 6 as of 2012-06-12 05:34:05 ⇥
Size: 906
Comment: Add threads
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== ffmpeg == {{{ ffmpeg -i input.avi \ -vpre libvpx-720p \ -quality realtime \ # best, good, or realtime; can also use qmin/qmax -threads 3 \ -acodec libvorbis -ab 128k -ar 44100 \ -f webm -y output.webm }}} See: * http://groups.google.com/a/webmproject.org/group/webm-discuss/browse_thread/thread/0c90767a55fb42b4 * http://ffmpeg.org/ffmpeg.html#libvpx |
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| mencoder -ovc lavc -oac lavc -of lavf -lavfopts format=webm -lavcopts acodec=vorbis:vcodec=libvpx -ffourcc VP80 input.avi -o output.webm | mencoder -ovc lavc -oac lavc -of lavf -lavfopts format=webm -lavcopts threads=4:acodec=vorbis:vcodec=libvpx -ffourcc VP80 input.avi -o output.webm |
This page has a counterpart, Theora, for Ogg Theora video. Many of the techniques on Theora can be used to also encode WebM.
ffmpeg
ffmpeg -i input.avi \ -vpre libvpx-720p \ -quality realtime \ # best, good, or realtime; can also use qmin/qmax -threads 3 \ -acodec libvorbis -ab 128k -ar 44100 \ -f webm -y output.webm
See:
MEncoder
mencoder -ovc lavc -oac lavc -of lavf -lavfopts format=webm -lavcopts threads=4:acodec=vorbis:vcodec=libvpx -ffourcc VP80 input.avi -o output.webm
Confirmed working with r31918. More information available with this mailing list thread.
