[FFmpeg-user] Hardware acceleration

Dennis Mungai dmngaie at gmail.com
Fri Apr 20 21:10:33 EEST 2018


Can you provide the output of vainfo?

On 18 April 2018 at 23:00, pilot constatinus <constatinus at gmail.com> wrote:
> Hi, i was recently trying out vaapi acceleration in ffmpeg. It works well
> with h264 hevc and vp8, but not with vp9. The output i get is:
> ffmpeg -vaapi_device /dev/dri/renderD128v -i in.mkv -vf
> 'format=nv12,hwupload' -c:v vp9_vaapi -b:v 5M out.webm
> [ vp9_vaapi ] Encoding profile not found (19).
> Also, how can i encode rgb ( bgrp, bgr0 ) while recording with hardware
> acceleration ( h264), not losing quality in yuv?
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