[FFmpeg-devel] [PATCH 1/2] lavfi: remove scale_vulkan filter

Lynne dev at lynne.ee
Wed Jun 21 01:12:06 EEST 2023

Jun 20, 2023, 23:58 by ffmpeg at haasn.xyz:

> On Tue, 20 Jun 2023 19:32:28 +0200 Lynne <dev at lynne.ee> wrote:
>> libplacebo is better in every way for anything involving scaling or format conversions
> Hi,
> vf_libplacebo always goes through internal RGB conversion, even for no-op.
> scale_vulkan (ditto overlay_vulkan) can be more efficient for simple YCbCr
> frames.
> I would rather replace scale_vulkan's implementation by pl_scale_* calls if you
> want to go this route.

I suppose I'll fix them up a little and leave them in, with
a note in the docs.
overlay_vulkan does work, but scale_vulkan is currently
broken for yuv420p (444 works oddly).

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