On 06/26/2010 05:14 PM, Paul Davis wrote: > On Sat, Jun 26, 2010 at 11:03 AM, Olivier Guilyardi <ml@xxxxxxxx> wrote: >> On 06/26/2010 01:57 PM, Paul Davis wrote: >> >>> Given that Rubberband was really the first library available on Linux >>> without a license that could do high quality timestretching, its not >>> really suprising that there are not that many apps which support this >>> (*). >> Rubberband is interesting, but when I had to develop a professional tool to time >> stretch voice recordings, the quality was far from acceptable. >> >> In the end, I used Dirac. The quality's amazing. It's not open source, but >> there's a free version with a rather permissive license (44.1/48Khz only). >> Also, the author has recently added Linux object libs. >> http://www.dspdimension.com/technology-licensing/dirac2/ >> >> What about adding (optional) support for it in Ardour, as an alternative to >> Rubberband? > > I've been aware of Dirac for some time. Its not feasible to use his > license in combination with Ardour without creating a fairly complex > plugin APi. Why? His license is a license for the developer, and it > won't permit source redistribution. Since Ardour links against at > least 1 GPL library, it would violate the GPL to distribute Ardour > with Dirac support as a compile+link time option. I'm not against the > idea of a plugin API for time FX backends, I've just got better things > to do at this point in time, and for the foreseeable future. I see. Actually, I looked at Ardour time stretching code not so long ago. And what I found was rather tight integration with Rubberband. I was't looking for a plugin API, but for some simple kind of OO abstraction, that would allow to quite easily add some new stretchers. So, unfortunately, it looks like the way to a such plugin API is a bit long indeed... -- Olivier _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user
