[linux-audio-user] Re: [Ardour-users] Re: [ardour-dev] Re: [MusE] Re: Syncing muse with ardour

[Allan Klinbail]

an additional note down the bottom. 

On Mon, 2003-06-23 at 01:24, Allan Klinbail wrote:
> Hi I was going to do more testing of this earlier with a more reliable
> device than the MTPAV (the device is reliable, Id on't think the driver
> is just yet)  but more stuff popped up
> 
> 
> I should get time this week.. 
> 
> although one question is the intel8x0 driver reliable for MIDI or should
> I install an old SB PCI128 (ens1371)?
> 
> On Fri, 2003-06-20 at 11:22, Paul Davis wrote:
> 
> </snip>
> 
> > 
> > >3. the *same* virtual midi interface is configured as MIDI port in muse, 
> > >and is configured under MIDI Sync as Master-MMC O-Port.
> > >
> > >Though, transport is not reliably connected. Sometimes ardour seems to 
> > >ignore the MMC sent by muse.
> > 
> > any particular patterns associated with this behaviour?
> 
> I found this true with external devices... I can't give a specific
> pattern b/c I was repeating the same action.. 
> 
> Play Start on MPC2000xl (start from beginning or start) 
> Start on MPC2000xl (restart from wherever it is meant to be) 
> Stop.
> 
> It was the stop message that was missed most often.. 
> 
> 
> > 
> > did you try the other way around? i can't recall how much MMC ardour
> > generates. i know it will do some (if "Send MMC" is enabled).
> 
> I did with beta1 and was not successful
> > 
> > >>>>the third ardour MIDI option, which is called 'MMC Control' in ardour's
> > >>>>options panel, crashes ardour instantly! That may be part of the
> > >>>>problem, I guess...
> > 
> > i'd like to track this one in more detail. i use this a lot and its
> > never caused a crash.
> 
> I experienced this as well, but only until I hooked up an external
> device with MMC, it appeared as if once an MMC enabled device was 
> hooked up I didn't have a problem. ... it doesn't seem logical though
> 
> </snip>
> > 
> 
> > >>>>
> > >>>>How did you get syncing done, maybe even with ardour? Do I expect too much?
> > 
> > MMC is not the correct method of syncing these two apps. JACK is. We
> > are still working on finishing the JACK transport API. Just FYI :)
> > 
> > --p
> > 
> 
> Yes this makes perfect sense when audio is involved in MusE. However for
> those of us using MusE (or any other sequencer) to sequence outboard
> gear that is to be recorded as audio in ardour MMC makes sense and would
> be nice to use in the interim. (also possibility of diabling audio functionality in MusE still allowing for sync via MMC)
> 
This question maybe redundant as I haven't assigned MIDI CC control to
ardour yet and don't know if it can record/sequence this data
(automation?) 

The other use for this would be to have MusE sequence the required
control data, be it a volume slider or a control for a plugin parameter
(i.e. filter sweeps ). This does not require sample-accurate sync but
would again be good if MMC could handle the most basic of requirements,
start and stop, locate information is nice.. but not essential. 



> Has the design of JACK transport taken into consideration MMC messages
> from outboard gear?
> 




> cheers
>  
> 
> > 
> 
> 
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-- 
Allan Klinbail <allank at labyrinth.net.au>