[Asterisk-video] libavcodec integration? (was Integrating mpeg4 video codec in asterisk)

[Roy Sigurd Karlsbakk]

>> is there a licence problem with integrating libavcodec (http:// 
>> en.wikipedia.org/wiki/Libavcodec) into asterisk? This is licensed  
>> under LGPL so AFAICS it should be compatible with the asterisk  
>> system. this'll allow us to transcode video between lots of  
>> formats and codecs :)
>
> The issues are:
>
> 1) not all of it is LGPL;  some of it is GPL, including many of the  
> most interesting parts (x264, for example).

To use the code under GPL, you need to specifically set the configure  
flag --enable-gpl. Without this, libavcodec is plain LGPL.

> 2) Patents:  You can't actually use most of it because of patent  
> issues, and because of the GPL/LGPL patent clauses, you can't  
> distribute the code along with a Patent License unless you License  
> all potential users of the code.

Are you quite sure the GPLed codecs in libavcodec are patent- 
protected? If so, are these patents US-bullshit, or legal  
international patents?

regards

roy
--
Roy Sigurd Karlsbakk
roy at karlsbakk.net
(+47) 98013356
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"Ubuntu: Ancient African word for ''I'm sick of compiling Gentoo''"  
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