[FFmpeg-devel] [PATCH v3 2/2] ffmpeg_opt: consider HW acceleration method when selecting decoder

Ronald S. Bultje rsbultje at gmail.com
Fri Jul 29 11:50:25 EEST 2022


Hi,

On Fri, Jul 29, 2022 at 4:38 PM Xiang, Haihao <
haihao.xiang-at-intel.com at ffmpeg.org> wrote:

> libdav1d is the preferred AV1 decoder in FFmpeg, libdav1d is always used
> when
> running the command below even if user expects vaapi or other HW
> acceleration
> methods.
>

I think that is a pretty serious issue. Don't we always want to prefer a hw
decoder by default? I agree there should also be ways to force-select
specific hw/sw decoders, but shouldn't hw be the default?

Ronald


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