[FFmpeg-devel] [PATCH v3] avcodec/vc2enc: Initial vulkan VC2 encoder

[Michael Niedermayer]

On Wed, Oct 30, 2024 at 05:06:55AM +0200, IndecisiveTurtle wrote:
> Implements a Vulkan based dirac encoder. Supports Haar and Legall wavelets and should work with all wavelet depths.
> 
> Performance wise, encoding a 1080p 1-minute video is performed in about 2.5 minutes with the cpu encoder running on my Ryzen 5 4600H, while it takes about 30 seconds on my NVIDIA GTX 1650
> 
> Haar shader has a subgroup optimized variant that applies when configured wavelet depth allows it
> 
> lavapipe seems to be bugged for some reason, after a bunch of debugging I'm not quite sure if it's a bug here or in lavapipe. But people probably dont want to use this with a software implementation anyway.
> ---
> Wraps vulkan includes with CONFIG_VULKAN should fix issues when vulkan encoder is disabled.
> To build the vulkan encoder recent vulkan headers are needed (probably at most 10 month old)

builds fine for me now

I cannot comment beyond that, vulkan is not my area

thx

[...]

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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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