[linux-audio-user] is jackmidi crucial? [was:] lv2dynparam

[Ken Restivo]

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On Fri, Mar 02, 2007 at 06:40:15PM +0100, Atte Andr? Jensen wrote:
> Nedko Arnaudov wrote:
> 
> >Having audio and MIDI perfectly synchronized is a must in my
> >vision. There is no point of using JACK if you use ALSA too.
> 
> Really?
> 
> I haven't yet used it, and think alsa midi works just fine. Exactly 
> where (real world scenarios, please) is jack-midi superior the the 
> degree that the current approach is pointless?
> 
> And I'd also like to hear a quick hand up: Who's using jack midi 
> exclusively and who's using alsa midi?
> 

I use ALSA MIDI, with jack. It works. Though I've had problems with JACK SYNC in Rosegarden. Especially using the RTC/HPET. And especially when using jackmp (SMP version of jackd). Other JACK Sync programs appear to work fine, so I expect the problem is Rosegarden.

I have a firewire audio interface with one MIDI port on it. There is no ALSA support for firewire, so the MIDI interface uses JACK MIDI, and it works fine. Although it has a noticeable latency and lag compared to the ALSA MIDI, strangely enough.

I can live with ALSA MIDI until whenever JACK MIDI is complete.

- -ken
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