[FFmpeg-user] ffserver with libvpx-vp9 problem

Jimmy Asher jasher at safarimontage.com
Fri Apr 1 14:22:00 CEST 2016

//for VP9
ffmpeg -f dshow -i video="A4TECH USB2.0 PC Camera" -c:v libvpx-vp9 -pass 1
-b:v 0 -crf 33 -threads 8 -speed 4 -tile-columns 6 -frame-parallel 1

Regarding libbpx-vp9 - it is much more CPU efficient than VP8 but due to the slow encoding performance it has made it nearly useless for real time applications

From http://wiki.webmproject.org/vp9/known-issues
* Speed optimizations continue. Expect slow performance.

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