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From: Lawrence D'Oliveiro <ldo@nz.invalid>
Newsgroups: comp.arch
Subject: Re: Privilege Levels Below User
Date: Mon, 17 Jun 2024 00:10:38 -0000 (UTC)
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On Sun, 16 Jun 2024 12:47:40 -0000 (UTC), Torbjorn Lindgren wrote:

> h.264 is/was extremely heavily patented, the MPEGLA patent consortium
> list for what patent they include in their license is 58 pages[1], with
> three colums!

But here’s the fun thing: a proprietary OS like Windows can include MPEG-4 
H.264 playback for free, but if you want to play older-format DVD-Video 
(MPEG-2), that’s an extra cost.

Or it was, unless those patents have all expired by now.

H.265 is even worse. MPEG-LA has its own patent pool for that, but I think 
there is an entirely separate group also claiming “intellectual property” 
rights on aspects of that.

This is why Google and others are promoting AV1. That’s meant to be 
comparable to H.265 in performance and quality, but completely patent-
unencumbered.

Which has not stopped some greedy groups from claiming they’re bound to 
have some patents somewhere that are likely to apply. Details not publicly 
available, of course.

Now you know why the FFmpeg project is based in Hungary. Funny thing about 
US patents, is that they only apply in the US.