[FFmpeg-devel] [PATCH 8/9] avfilter/scale_amf: Add AMF HW scaler & color converter

[Evgeny Pavlov]

On Wed, Feb 14, 2024 at 4:08 PM Timo Rothenpieler <timo at rothenpieler.org>
wrote:

> On 14/02/2024 02:55, Dmitrii Ovchinnikov wrote:
> > From: Evgeny Pavlov <lucenticus at gmail.com>
> >
> > This commit adds two AMF filters: scale_amf & scale_amf_hq.
> > Both filters are using AMF hardware acceleration.
> > scale_amf supports simple scaling algorithms & color conversion.
> > scale_amf_hq supports advanced scaling algorithms & might be used
> > for upscaling only.
>
> Haven't looked at the patch yet, but can't this be one filter, and it
> picks the best possible method depending on options/inputs/whatever?
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AMF has 2 separate components for color conversion + simple scaling
(VideoConverter)  and for advanced scaling (HQScaler).
We've got a recommendation from the AMD AMF team to implement these
components as separate ffmpeg filters.