On Sad, 2003-07-05 at 11:11, Ronald Bultje wrote:
> MPEG: likely. MPEG LA owns patents on the compression modes. divx is the
mpeg1 video should be ok, the mp1 mpeg-3 audio layer has patents in some
countries. DivX and MPEG-4 both use the MP4 stuff so you'll need to pay
per unit fees and for some situations you and your users may have to pay
per minute fees too (there are reasons MPeg4 isnt taking off)
Obviously it depends on your target market.
> > 3) Can I use system ("lav2yuv ... etc..") in my code. Here I wont be
> > linkng my program to any code of mpgegtools.
>
> That's allowed, just like unix pipes, since there's no binary linking
> going on and they run as separate programs (independently).
And one isnt a derivative work of the other in the eyes of the law.
Assuming you don't *have* to use mpeg there is a lot of work afoot on
patent license free audio and video. Audio is done, video is getting
there but not yet finished.
See http://www.vorbis.com
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