[FFmpeg-devel] [PATCH 1/2] opus_pvq: add resynth support and band encoding cost function

wm4 nfxjfg at googlemail.com
Sat Apr 15 16:06:45 EEST 2017

On Sat, 15 Apr 2017 07:55:50 +0200
Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:

> 2017-04-15 2:35 GMT+02:00 wm4 <nfxjfg at googlemail.com>:
> > Legally, all these copyright headers are meaningless, as long as the
> > license is correct.  
> You are joking, right?

Well, are you joking? While it may seem so, you apparently aren't.

> > If they weren't, FFmpeg would be in trouble for changing the copyright
> > headers of all files added by Libav from "Libav" to "FFmpeg".  
> Nobody is talking about the project name.


> > It's possible that Libav is not always careful with attribution, but
> > it's the same with FFmpeg. For example, af_pan.c is LGPL, even though
> > it was ported from MPlayer GPL code, and the author could not be
> > contacted. Recently, I contacted the same author about relicensing the
> > same MPlayer code (of which af_pan.c was a subset of) to LGPL, and he
> > explicitly denied relicensing. So if I had been cehoyos, I probably
> > wouldn't shut up about how FFmpeg violates copyrights (fortunately I'm
> > not cehoyos). I think nowadays af_pan.c certainly does not violate the
> > original author's copyright though, because absolutely all code was
> > removed/replaced.  
> Do I understand correctly that you are neither defaming Clement nor
> doing something that is illegal?

Is that some sort of trick question? I'm doing neither. But what _you_
do is defaming the entire Libav project (and possibly me), which is
illegal and against the FFmpeg CoC.

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