[ardour-users] Unable to add more tracks

Mark Knecht markknecht at gmail.com
Tue Oct 12 15:54:46 PDT 2004


On Tue, 12 Oct 2004 17:14:54 -0500, Third Option
<thirdoption at hotmail.com> wrote:
> for some reason, it could just be the overwhelm lately, I cannot process all
> of that info
> 
> I just know that without bumping anything up, every version of ardour i've
> run will create up to 32 tracks, and after that say it can't create another
> output, and always there are only 26 places to output on the HDSP 9652, so
> if you've got 32 in ardour, you're outputting multiple tracks to the same
> HDSP channel somewhere

Well, sure, but almost all of my Ardour output are just going to two
RME outputs that are attached to my D/A. So even if I have 32 Ardour
tracks I'm usually only using only two HDSP 9652 playback channels.

> 
> and I cannot fathom this part about the number seven! :)

That's obviously *magic*!!! ;-)

2 inputs, 2 outputs, 2 auditioner, 1 click. run jack_lsp -l and you'll
see 7 entries for Ardour

> 
> 
> 
> ----- Original Message -----
> From: "Mark Knecht" <markknecht at gmail.com>
> To: "Joe Hartley" <jh at brainiac.com>
> Cc: <ardour-users-ardour.org at lists.ardour.org>
> Sent: Tuesday, October 12, 2004 4:32 PM
> Subject: Re: [ardour-users] Unable to add more tracks
> 
> > On Tue, 12 Oct 2004 17:18:41 -0400, Joe Hartley <jh at brainiac.com> wrote:
> > > On Tue, 12 Oct 2004 15:50:34 -0500
> > > "Third Option" <thirdoption at hotmail.com> wrote:
> > >
> > > > and what is that?
> > > >
> > > > jackd -p<somenumber> -R -d alsa -...blah...
> > > >
> > > > is that right?
> > >
> > > That's correct, that will up the # of ports.  And if you use Qjackctl,
> > > it's even easier to set.  I upped that value to 256, and my session is
> now
> > > happily getting tracks added again.
> > >
> >
> > I haven't had a chance to boot up my HDSP 965 machine in the last
> > couple of days to check this, but it would seem to me (if I understand
> > the way this works) that the HDSP9652 and/or Multiface would almost
> > *require* that you bump this value up.
> >
> > On my laptop I have a 2-in/2-out sound chip. Ardour takes 7 ports.
> > Start Jack, start Ardour and then run jack_lsp. I see 11 ports used.
> > With a default value of 64 for
> >
> > jackd -R -dalsa ...
> >
> > I have 64-11, or 53 left. Divide by 2 and you can get 26 stereo
> > tracks. If I need more then you can up the port count to this:
> >
> > jackd -R -p128 -dalsa ...
> >
> > should give 128-11, or 58 stereo tracks. (In my head)
> >
> > However, if I start up my HDSP 9652, which has 26 inputs and 26
> > outputs, then a default value of 64 would give me
> >
> > 64-56, or only 4 stereo tracks.
> >
> > Can this be correct? It seems far too low for a default.
> >
> > where am I going wrong with this calculation?
> >
> > - Mark
> > _______________________________________________
> > ardour-users-ardour.org mailing list
> > ardour-users at lists.ardour.org
> > http://lists.ardour.org/listinfo.cgi/ardour-users-ardour.org
> >
>



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