Re: MIDI (was Re: [Denemo-devel] Anacrusis script needed)

[Richard Shann]

On Wed, 2009-09-16 at 09:03 -0500, Jeremiah Benham wrote:
> On Wed, 2009-09-16 at 13:51 +0100, Richard Shann wrote:
> > On Wed, 2009-09-16 at 07:50 -0500, Jeremiah Benham wrote:
> > > > What is this "transport" thing?
> > > 
> > > Jack transport is used to sync software timing. A user can sync it to
> > > a multitude of things. Theoretically a user can user denemo and
> > > xjadeo[1] to produce film scores. xjadeo is a simple video player that
> > > is controlled via midi MTC or jack transport. When the user has
> > > transport enabled in their denemo preferences all she has to do is
> > > hit play and the video will start rolling.
> > With the current denemo code, what actually happens if you have
> > transport enabled in your denemo preferences? You hit play in denemo,
> > and what should be happening?
> 
> Nothing happens if you don't have a jack transport slave running. I just
> tested it out and it seems to work fine. I wrote a little blues riff in
> denemo and then launched hydrogen (drum machine software). I set the
> tempo in hydrogen to match denemos tempo.
Is this needed because we have something missing in denemo at the
moment?

>  Then I pressed play in denemo.
So I guess this sends a message to JACK telling any clients in
"transport slave mode" to start? I notice another bit of code, to do
with stopping...

Richard