[FFmpeg-user] ffmpeg with vulkan and or opencl

[Carl Eugen Hoyos]

Am Sa., 16. Jan. 2021 um 19:13 Uhr schrieb owen s <owen94012 at gmail.com>:
>
> I have installed opencl and vulkan drivers on linux: Linux
> 5.8.0-7630-generic #32~1609193707~20.10~781bb80-Ubuntu SMP Tue Jan 5
> 21:29:56 UTC 2 x86_64 x86_64 x86_64 GNU/Linux
>
> I am using ffmpeg version:
> ffmpeg version 4.3.1-4ubuntu1 Copyright (c) 2000-2020 the FFmpeg developers
> built with gcc 10 (Ubuntu 10.2.0-9ubuntu2)

Please test current FFmpeg git head before asking questions here.

> I am running this ffmpeg command
> ffmpeg -y -hwaccel any \
> -loop 1 -framerate 30 -re \
> -hwaccel dxva2 \

I may misunderstand your question but there is no dxva2 on Linux.

> -i ./1280x720.jpg \
> -stream_loop -1 -re \
> -i ./audio.mp3 \
> -vcodec libx264 -pix_fmt yuv420p \
> -b:v 2500k -maxrate 2500k -bufsize 10000k \
> -preset slow -tune stillimage \
> -b:a 128k -ar 44100 -ac 2 -acodec aac \
> -af "dynaudnorm=f=150:g=15" \
> -g 60 \
> -f flv tmp.flv

Carl Eugen