[FFmpeg-devel] Re: [DISCUSSION] Adding ARM64EC support to FFmpeg

["Rémi Denis-Courmont via ffmpeg-devel" <ffmpeg-devel@ffmpeg.org>]

	Hello,

Le keskiviikkona 22. lokakuuta 2025, 7.33.31 Itä-Euroopan kesäaika Harish Raja 
Selvan via ffmpeg-devel a écrit :
> This patch adds support for ARM64EC builds on Windows by updating .def file
> generation logic for shared libraries and ensuring the correct machine flag
> is passed to lib.exe and dumpbin.exe.

This would be fine as a draft PR but that's just the tip of the iceberg.

If you want to compile AArch64 FFmpeg for use in emulated x86 processes, then 
you need a FFmpeg that exposes the same ABI as the x86 FFmpeg. That's going to 
require a lot of changes throughout the code base (and I doubt people here 
will agree to them overall).

And then an FFmpeg that would work both in x86 emulation and in native AArch64 
is just a pipe dream, since they have conflicting ABIs.

-- 
ヅニ-クーモン・レミ
Villeneuve de Tapiola, ex-République finlandaise d´Uusimaa



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