Re: just like midi/seq was treated? (was Re: HEADSUP: ibcs2 and svr4 compat headed for history)

On Fri, 2 Jul 2004 11:07:33 -0400
Mathew Kanner <mat_at_cnd.mcgill.ca> wrote:
> On Jun 30, Taku YAMAMOTO wrote:
> > On Wed, 30 Jun 2004 14:37:47 -0400
> > Mathew Kanner <mat_at_cnd.mcgill.ca> wrote:
> > > On Jun 28, Paul Seniura wrote:
> > 
> > I object to that statement - IT WAS WORKING without major problems
> > here at least. (-current as of April 2004)
> > # I have been using YAMAHA's UX-16, BTW.
> 
> 	I'm absolutely shocked to hear this.  This is the first report
> of midi2 working for anybody.  Are you speaking of the sequencer are
> are you doing raw midi passthrough?  (Tangentally, I'll admit that I
> tried to stay away from the old model only to end up recreating the
> wheel in many aspects, esp. in the seq->midi abstraction.)

Both of two are working here.

wine (sequencer), playmidi (sequencer), smfplay (raw midi)
and my MIDI filtering tool (utilizes both of two) - all of them work.

> > And, in fact, IT STILL IS WORKING with recent -current, cvsupped
> > on June 27. The MIDI stuff was salvaged from Attic with my tiny
> > modifications to catch up the recent activities like dev_t =>
> > struct cdev* transitions.
> > 
> > I'll tar-up the material and make it accessible if requested.
> > # And, USB-MIDI port, too :)
> 
> 	The new version does bring new features like loadable modules,
> a kernel thread instead of softclock, an easier interface for
> attaching new devices and it works regardless of what HZ value is
> used.

Did you know that midi2 can be made as a module with additional
several lines?  I've using midi2 as a module for a year.
# Sorry for my not publishing these works, BTW.

You have to be aware of that both aproaches can't be HZ-independent, too,
since 1/HZ is the finest resolution of the scheduling.
Making sequencer stuff pretending HZ=100 is also a Really Bad Thing (TM)
because, in theory, softwares using MIDI always want the finest.

OSS spec clearly says relying on HZ hardcoded as 100 is a Bad Thing
and encourages the use of SNDCTL_SEQ_CTRLRATE instead, if that matters.

> > > 	Per the annoucment, we are planning to import it soon but I'm
> > > very busy with moving and other crisis in my life and Seigo has had
> > > his own problems.
> > 
> > I have been looking forward very much to seeing it, as I'm planning
> > to port the NetBSD's USB-MIDI class driver to the new framework.
> 
> 	This is good stuff.  
> 
> 	Thanks,	
> 	--Mat
> 
> -- 
> 	(on the United States) Living next to you is in some ways
> 	like sleeping with an elephant. No matter how friendly and
> 	eventempered the beast, one is affected by every twitch and
> 	grunt.
> 			- Pierre Elliott Trudeau
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