Comment by wolrah

> I'm not super familiar with AV1/AVIF but I do have extensive experience using h264 for desktop streaming, and all major implementations support 444 in hardware and software, and I doubt more advanced codecs/image formats have a limitation like this.

This is a good helpful comment containing relevant information from personal experience.

> Asked ChatGPT and it also claimed there's no problem with 444 and AVIF/AV1.

This part is useless, there's no one who cares what a LLM thinks that can't just prompt it themselves.