[ITP] libmad/libmad0/libmad-devel: A high-quality MPEG audio decoder

Corinna Vinschen corinna-cygwin@cygwin.com
Thu Sep 8 07:02:00 GMT 2005

On Sep  7 22:11, Charles Wilson wrote:
> Brian Dessent wrote:
> >You're correct.  The mp3 format/algorithm is patented, and you are
> >supposed to obtain a license if you ship software that uses it. 
> ><http://www.mp3licensing.com/help/developer.html#5>.  It doesn't matter
> >what the license of the source code is, because patents apply to
> >algorithms and methods not to specific implementations.  This is why a
> >lot of noncommercial linux distros have to omit mp3-playing capability
> >from their package list and relegate it to "extras" or "third party
> >sites."  So, no mp3 libs in Cygwin would seem to be the prognosis.
> Further, it appears that Red Hat (Fedora) has chosen to avoid these 
> libraries as well.  libmad is available for Mandriva at the Penguin 
> Liberation Front; it is available for Fedora over at Freshrpms -- both 
> of which are hosted, er, elsewhere and are not discussed or supported on 
> official channels.

Right.  Along these lines, our OpenSSL doesn't ship with the IDEA, RC5
and MDC2 algorithms.  I really don't like it but it might be better to
stay on the safe side and keep binaries with patented algorithms in
some external repository.


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          mailto:cygwin@cygwin.com
Red Hat, Inc.

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