Re: MIDI timer resolution
Re: MIDI timer resolution
- Subject: Re: MIDI timer resolution
- From: Andre Lipinski <email@hidden>
- Date: Thu, 15 Aug 2002 13:34:37 -0400
Hi Sven,
Looking to QT for MIDI is not going to help you, try CoreMIDI. It's got
1ms timing and scheduling so at convenient intervals you can prepare a
group of messages to be sent and they'll go at precise times. It's very
spiffy.
Andre.
On Thursday, August 15, 2002, at 05:14 AM, Sven Thoennissen wrote:
Hello,
I am new to this list, so I hope not to disturb anyone by posting this
mail. I am about to buy a PowerMac, having quite much experience in Linux
programming.
There is an issue I would like to know in detail about before I buy the
machine: How exact is QT's MIDI timing in Mac OS X ? I need a resolution
of at least 1ms, ie. my program should be notified on the exact
millisecond. The timing should also be exact when there is heavy cpu or
kernel load. I have read about QT's MIDI functions at developer.apple.com
and have found functions dealing with clock components, but no
information about how exact the timer resolution can be.
I know there's Emagic's Logic coming for Mac OS X, so it must be possible
to time MIDI events very exactly.
Please answer to this mail if you have experience with high-resolution
timers which could be valuable to me. Thanks in advance!
Sven
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