On Tue, Sep 17, 2019 at 09:29:54 +0900, Hyun Yoo wrote: > I implemented a g.722.1 decoder by linking FreeSwitch's libg722_1 > as external lib like libilbc, libspeex(ex. configure --enable-libg722_1) > (https://github.com/traviscross/freeswitch/tree/master/libs/libg722_1) > > But I'm not sure about the license issue > because g.722.1 is licensed by Polycom(royalty-free) > > Getting permission is my(commiter) job? or user(who link and compile)'s job?
I believe (but IANAL) all that licence file (https://github.com/traviscross/freeswitch/blob/1220bbcff2fe733f40c9eae0f26a91062f419fee/libs/libg722_1/COPYING) says is that the G.722.1 *codec* is to be licensed, and the code implementation is "free to use". Is this the actual reference implementation quoted in that file? Really bad wording, if you ask me. But that said: ffmpeg already has a native G.722 encoder (and decoder), and even the same author (Steve Underwood) is credited in it. Perhaps it was even derived from the same sources as the libg722_1 sources. Why would you need this external implementation? Because it provides G.722.1 versus just G.722? Could that functionality not easily be ported/merged to ffmpeg, assuming the same licensing conditions as assumed for the G.722 implementation? Cheers, Moritz _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
