[proaudio] Re: [FFADO-user] no mixer on SVN version

[Allan Klinbail <sonofzev@xxxxxxxxxxxx>]

On Wed, 2010-10-27 at 14:54 +0200, Stefan Richter wrote:
> Allan Klinbail wrote:
> > I have checked the ebuilds from the gentoo pro-audio overlay.. and I
> > also can't see in there why the 2.0.1 version would compile with dbus
> > support built in and the SVN version would compile without it.
> 
> As Arnold mentioned, this is because FFADO 2.0.1 carries its own copy of
> libdbus++, wheras recent FFFADO trunk does not have it anymore but relies on
> the distribution to have it or the user to install it before he builds FFADO.
> 
> There should be a message about this and any other missing dependencies when
> scons is run.  Gentoo does not provide libdbus++.  If you want the mixer and,
> as a precondition for that, dbus support in your FFADO build, then you need to
> install libdbus++ yourself.  (I as another Gentoo user have not attempted this
> myself yet since the mixer would only be a nice-to-have item for me here.)
> 
> Regarding CPU usage, the most deciding factor here is the buffer size.  I.e.
> check whether your recent tests and older tests weren't made with different
> buffer settings.