On Sat, 15 Apr 2017 15:53:36 +0200 "Jean-Baptiste Kempf" <j...@videolan.org> wrote:
> > 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. > > Rewriting based on the same ideas also does not change the copyright. > It is a derivative work under the Berne convention. > I know it's not cool, but that's the international IP laws. Well, that's not good. I bet this happened a lot when libswscale was relicensed from GPL to LGPL. (But I don't have specific cases at hand.) I'm fairly sure that ideas themselves are not copyrightable, though. _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
