So now container decoders have been magically vetted and secured so they don’t need the sandbox. Which is quite surprising considering most vulnerabilities in streams are in the container decoders and their multitude of hardly used features, but okay.
The challenge remains for you to actually provide the codec you describe. Which a few comments ago was trivial because it was a hardware codec anyway, now it’s just a bit of WebAssembly away. Well that should be trivial because cross compilers to WebAssembly exist. So why don’t you just provide a few real world examples? Your probably not the first to think of these ideas, there has to be a reason why it hasn’t been done yet.
> So now container decoders have been magically vetted and secured so they don’t need the sandbox.
Not "magically". But you only need one or two, and they don't need to be very fast, so you can put a lot of effort into making them secure.
But more importantly, browsers already have many container decoders. This is not an expansion in attack surface. The goal here is allowing a lot more codecs compared to current browsers without a significant increase in attack surface compared to current browsers. Pointing out flaws that already exist doesn't disqualify the idea.
> So why don’t you just provide a few real world examples? Your probably not the first to think of these ideas, there has to be a reason why it hasn’t been done yet.
Image decoders in webassembly already exist. Did you even look? Including JXL!
Video decoding needs more support structure in the browser, and I already said some decoders need things that are being added to webassembly but aren't done yet. Even then, the first google result for "av1 webassembly" is a working decoder from five years ago.
The challenge remains for you to actually provide the codec you describe. Which a few comments ago was trivial because it was a hardware codec anyway, now it’s just a bit of WebAssembly away. Well that should be trivial because cross compilers to WebAssembly exist. So why don’t you just provide a few real world examples? Your probably not the first to think of these ideas, there has to be a reason why it hasn’t been done yet.