Re: Why JACK MIDI rocks (was Re: perhaps why some of us have more trouble w/ pulseaudio than others (ICE1712/M-audio delta problem w/ pulseaudio))

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On Thu, 13 May 2010, Gabriel M. Beddingfield wrote:

For example, when implementing a MIDI CC the flow of my code will be something like this:

  [3 bytes MIDI] -----(ALSA)----> snd_seq_event_t
  snd_seq_event_t ----(GABE)----> [3 bytes MIDI] + timestamp

I would say that this is undermining the ways it's trying to help me.

I could drop the seq API and use the raw MIDI API, but then I lose the time-stamp. (Unless I've misunderstood something somewhere....)

In contrast, the JACK MIDI API is something like this:

 [3 bytes MIDI] ----(JACK)----> [3 bytes MIDI] + timestamp

Which is beautiful. :-)

I don't know if it's relevant, but last year I struggled with trying to sync Ardour to MTC from my Akai MPC2000, and I never succeeded until I switched to using Jack Midi in QJackCtl. This all might really explain why that happened... I couldn't get it to work at all with just Alsa Midi.

--
+ Brent A. Busby	 + "We've all heard that a million monkeys
+ UNIX Systems Admin	 +  banging on a million typewriters will
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+ James Franck Institute +  we know this is not true." -Robert Wilensky
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