[FFmpeg-devel] [PATCH 00/15] avfilter/vf_bwdif: Add aarch64 neon functions

[Martin Storsjö]

On Thu, 29 Jun 2023, John Cox wrote:

> Also adds a filter_line3 method which on aarch64 neon yields approx 30%
> speedup over 2xfilter_line and a memcpy
>
> John Cox (15):
>  avfilter/vf_bwdif: Add outline for aarch neon functions
>  avfilter/vf_bwdif: Add common macros and consts for aarch64 neon
>  avfilter/vf_bwdif: Export C filter_intra
>  avfilter/vf_bwdif: Add neon for filter_intra
>  tests/checkasm: Add test for vf_bwdif filter_intra
>  avfilter/vf_bwdif: Add clip and spatial macros for aarch64 neon
>  avfilter/vf_bwdif: Export C filter_edge
>  avfilter/vf_bwdif: Add neon for filter_edge
>  tests/checkasm: Add test for vf_bwdif filter_edge
>  avfilter/vf_bwdif: Export C filter_line
>  avfilter/vf_bwdif: Add neon for filter_line
>  avfilter/vf_bwdif: Add a filter_line3 method for optimisation
>  avfilter/vf_bwdif: Add neon for filter_line3
>  tests/checkasm: Add test for vf_bwdif filter_line3
>  avfilter/vf_bwdif: Block filter slices into a multiple of 4 lines

It's nice to have this split up in small easily checkable patches, but 
this is perhaps a bit more finegrained than what's usual. But I guess 
that's ok...

I'll comment on the patches that need commenting on.

// Martin