[FFmpeg-user] ffserver with libvpx-vp9 problem

mystream adventure mystream.adventure at gmail.com
Sat Apr 2 01:21:34 CEST 2016


Jimmy Asher, thank you for clarify, you right, vp9 very slow...

On Fri, Apr 1, 2016 at 7:22 PM, Jimmy Asher <jasher at safarimontage.com>
wrote:

> //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
> http://IP_SERVER:8090/feed2.ffm
>
>
> 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
> vpxenc
> * Speed optimizations continue. Expect slow performance.
>
>
>
>
>
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