On Fri, 2009-03-13 at 16:58 +0800, Liang Zhao wrote: > Julien, > > I agree with you about LGPL, but for my cases, mp3demux, seems it has > few issues (just my personal oppionion). > I quote an example from Android, in Android formal release, it has > openCore engine with mp3demux sourcecode embedded, and its license is > Apache license. If it has patent issues, google may not release it. Apache is *way* more liberal than (L)GPL, that's why it doesn't conflict (and that's why Google insist on not having (L)GPL code in there). Edward > > That's just my guess. :) > > Zhao Liang > > 2009/3/13 Julien Moutte <julien at moutte.net> > Hi, > > Please have a look at paragraph 11 of the LGPL : > > --- > 11. If, as a consequence of a court judgment or allegation of > patent > infringement or for any other reason (not limited to patent > issues), > conditions are imposed on you (whether by court order, > agreement or > otherwise) that contradict the conditions of this License, > they do not > excuse you from the conditions of this License. If you cannot > distribute so as to satisfy simultaneously your obligations > under this > License and any other pertinent obligations, then as a > consequence you > may not distribute the Library at all. For example, if a > patent > license would not permit royalty-free redistribution of the > Library by > all those who receive copies directly or indirectly through > you, then > the only way you could satisfy both it and this License would > be to > refrain entirely from distribution of the Library. > --- > > That means that any (L)GPL component that you distribute needs > to be redistributable with no patent restriction. > > This is completely incompatible with most patent licensing > agreements which require you to pay a royalty fee for every > unit you ship. > > Please find attached a document written by our lawyer on that > topic. > > Fluendo's products are covering part of this problem. You can > license proprietary decoders and demuxers that will work with > GStreamer and come with or without patent licenses. > > Hope this helps, > > Best regards, > > Julien Moutte, > FLUENDO S.A. > http://www.fluendo.com > > > > > > Edward Hervey wrote: > On Fri, 2009-03-13 at 10:27 +0800, Liang Zhao wrote: > > Hi all, > > I plan to port mpegaudioparse and asfdemux in > plugin-ugly into my > product for resale, is it reasonable? > > > If you mean whether you have the right... it's LGPL, > so yes :) > > > no any license/patent issues? > > > Two different things: > * The software license (LGPL) : If you make any > modifications, try to > push them upstream, since anybody buying your > 'product' will have the > right to demand the exact source code use to build > those plugins. > > * Patents. This is for container formats... and it's, > to be honest, a > very tricky situation. > There are some saying you need to pay royalties (to > whom?) and some > not (because container formats are trivial). But > something tells me that > if there was any patents involved ... you would > already be covered > considering that you must have decoders (asf without > wm* decoders is > useless, and mpegaudioparse without mp3 decoder also) > for which you > acquired (or are acquiring, or got the usage rights > with the hardware > decoders) a usage license. > Consult a lawyer. > > > if have, after I pay the royalty, is it ok? > > > The two items above are the only major items to be > aware of. But as I > said, if you're making a product, you might want to > consult a lawyer > specialized in that field. > > Keep us informed of your progress and show us what > product it is once > it's released :) > > Edward > > > -- > BRs. > Zhao Liang > > > > ------------------------------------------------------------------------------ > Apps built with the Adobe(R) Flex(R) framework and Flex Builder(TM) are > powering Web 2.0 with engaging, cross-platform capabilities. Quickly and > easily build your RIAs with Flex Builder, the Eclipse(TM)based development > software that enables intelligent coding and step-through debugging. > Download the free 60 day trial. http://p.sf.net/sfu/www-adobe-com > _______________________________________________ gstreamer-devel mailing list gstreamer-devel at lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
