Good work Tim!
I presume this should lay a good foundation for getting MusE to work under
the BSDs?
I noticed Ardour has had some BSD-related tweaks recently.
On Sat, Dec 17, 2016 at 6:03 PM, termtech <[email protected]> wrote:
> On Saturday, December 17, 2016 9:06:54 AM EST asbaklm wrote:
> > Hi there Tim, thanks so much for the rtc re-write and the many updates
> from
> > the team which are mentioned in the changelog. Muse3 is coming along
> > nicely.
>
> Just to mention that with these hi-res timer fixes, it should no longer
> be necessary to compile kernel with special timer settings,
> or poke weird command-line values into changing dev/rtc
> sys locations, or do anything as root, etc etc. It just works now. Yay.
> I get these same results with a STOCK KUbuntu distro :-)
>
>
> FYI: Why does MusE need a timer? For ALSA midi support.
> MusE uses a timer, either ALSA or the RTC, to queue ALSA
> playback or record events. We use ALSA's 'direct' methods
> rather than its queuing system.
>
> Good ol' MusE's midi sequencing had been so intertwined with
> this timing system, that it was hard to remove or bypass.
> Even with Jack Midi support, we still needed the timer not just for
> ALSA support but also some deeply entwined commands and so on.
>
> Recent advances occurred: Our ALSA midi driver can now be stopped and
> started at will (see midi config settings the 'ALSA' button).
> Yet when stopped, the timer still runs and is needed for a few other
> things.
>
> So I will, once and for all, attempt to finish up. The moment seems right,
> I'm in there now, sort of half-done. We have been planning this for a
> while.
> It's not easy, there were pitfalls, hopefully it won't be long.
>
> Goal: ALSA will be build-configuration OPTIONAL. When Jack alone is
> running,
> no timer will be needed or running (at least not for ALSA midi support).
>
> Trivia: Werner's original Qt4 + Jack Midi based MusE-2 (muse_qt4_evolution
> in our git attic) had no ALSA midi support.
>
> T.
>
> >
> > So the results on my Lenovo T430 laptop from latest git build:
> > (I don't use drumgizmo so don't know whether or not this would have
> caused
> > issues.)
> > >muse3 -apNI2L
> > >Config File </home/user/.config/MusE/MusE.cfg>
> > >LOCALE en_GB
> > >Denormal protection enabled.
> > >string2sysex: Cannot convert string to sysex r ct bn bt f7
> > >Trying ALSA timer...
> > >AlsaTimer::initTimer(): best available ALSA timer: HR timer
> > >got timer = 84
> > >Aquired timer frequency: 1000000000
> > >INFO: Requested timer frequency:2048 actual:2048
> > >starting with template /usr/local/share/muse-3.0/templates/default.med
> > >INFO: Requested timer frequency:2048 actual:2048
> >
> > For experimental purposes I also entered the timer frequency as you
> > suggested and low and behold, get the crazy number
> > >INFO: Requested timer frequency:32768 actual:32768
> >
> > That's a bit more than I think I'll need, hahaha.
> >
> > Thanks again for this awesome project. =)
>
>
>
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