Re: [FFmpeg-devel] I've written a filter in Rust - Rémi Denis-Courmont

From: "Rémi Denis-Courmont" <remi@remlab.net>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] I've written a filter in Rust
Date: Sat, 22 Feb 2025 14:57:09 +0200
Message-ID: <3335060.aeNJFYEL58@basile.remlab.net> (raw)
In-Reply-To: <a52e50b9a6c10e09072612f8a25396bffd9e8b76.camel@haerdin.se>

Le perjantaina 21. helmikuuta 2025, 20.02.16 UTC+2 Tomas Härdin a écrit :
> The above said, I'm not against Rust. It has some nice properties. But
> it does not seem very "stable" so far. Perhaps this has changed in
> recent years..

IME, it's become very usable for user-space code. Bare metal still pretty much 
requires unstable features, but that's not a problem for FFmpeg.

We may want to depend on the allocator_api unstable feature for fallible 
allocations (or just allow non-fallible allocations in Rust code until that 
gets stabilised). Naked functions would be nice for assembler, but I don't 
think that we have any urgent need to call assembler from Rust (as opposed to 
from C).

> If we're in the habit of allowing other languages I'd be in favor of
> allowing C++, so that we can make use of the STL containers rather than
> rolling our own.

Yikes. Rust is actually way saner for type-generic programming than C++.

-- 
Rémi Denis-Courmont
Villeneuve de Tapiola, ex-République finlandaise d´Uusimaa

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