[MPlayer-dev-eng] Need a guide to implement a codeclibrary using hardware video codec

[Lee Kwangwoo]

> On Monday, April 21, 2008 10:03 PM, Reimar Döffinger wrote:
> 
> On Mon, Apr 21, 2008 at 12:26:23PM +0200, Nico Sabbi wrote:
> > On Monday 21 April 2008 12:08:22 Lee Kwangwoo wrote:
> > > The modified code of the mplayer will be released under the GPL.
> > > But I have one question about codec library. If I write a library
> > > for a hardware device which can be used to control the hardware
> > > device commonly and which can also be used with mplayer, is it
> > > released under the GPL license?
> >
> > this is up to the author, but read below
> >
> > > In my situation, I can not open the control code of the hardware
> > > device. If I must release the hardware codec library under the GPL
> > > license, I should rethink using mplayer code. Should I implement
> > > whole things? well.. get permission from my boss???
> >
> > the point is that if your library isn't gpl-compatible you can't
> > distribute mplayer (that is gpl) with it
> 
> Well, if you dlopen your library, have a rather generic API for the
> library (maybe even a gpl'd variant of the library that provides
> the same features just e.g. via software emulation) and distribute
> MPlayer and that non-GPL library separately there is a good chance
> there is no problem (and there is no problem at all if you do not
> distribute), but for definitive answers you will have to ask a lawyer,
> sorry.
> 
> Greetings,
> Reimar Döffinger

I'll talk with my boss for the right solution.
Thank you for your good information.

Regards,
Kwangwoo Lee