Bug#370599: ffmpeg: does not support AMR codec

Felipe Sateler fsateler at gmail.com
Thu Oct 8 13:51:41 UTC 2009

On Thu, 2009-10-08 at 08:54 +0200, Reinhard Tartler wrote:
> As this issue is going to need a broader discussion IMO, let's engage
> debian-legal to join this. Please keep both mailing list in the loop!
> For full context for debian-legal: FFmpeg is a compilation of several
> libraries, we are discussing the libavcodec library in this
> context.  It consists of several decoders, of which some are only
> wrappers for external libraries. The openamr decoder is such one, that
> one can use openamr-core, if available at compilation time.
> FFmpeg is currently distributed under the terms of of GPLv2 or later,
> openamr-core is licensed under the terms of the Apache 2.0
> license. According to upstream's assessment, enabling the openamr
> decoder renders the resulting libavcodec.so shared object file, and all
> applications linking against that library as only distributable under
> the terms of GPLv3 or later.

I don't know the compelxity of openamr-core, but maybe it's possible to
get a special exception to link as GPLv2? I know of a few cases where
this has happened (eg, liblo GPL->LGPL exception for csound).

Felipe Sateler
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