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From: Lynne <dev@lynne.ee>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 1/2] lavfi: remove scale_vulkan filter
Date: Wed, 21 Jun 2023 00:12:06 +0200 (CEST)
Message-ID: <NYPrMGZ--3-9@lynne.ee> (raw)
In-Reply-To: <20230620235828.GB10961@haasn.xyz>

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

> On Tue, 20 Jun 2023 19:32:28 +0200 Lynne <dev@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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      reply	other threads:[~2023-06-20 22:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-20 17:32 Lynne
2023-06-20 17:35 ` Nicolas George
2023-06-20 21:58 ` Niklas Haas
2023-06-20 22:12   ` Lynne [this message]

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