Re: Random access [was: Re: Offline processing]
Re: Random access [was: Re: Offline processing]
- Subject: Re: Random access [was: Re: Offline processing]
- From: Alberto Ricci <email@hidden>
- Date: Wed, 5 Feb 2003 09:53:43 +0100
At 10:52 AM +1300 2/5/03, Steve Hoek wrote:
This raises a good question. Should the plug-in be "getting", or should the
host be "setting"? I'd rather not have to poll the host to know if the
user's current selection changes.
You're right; I was simply listing the various things that need to be
implemented for random access.
The best way to implement this is probably through a
notification/listener mechanism as elsewhere in CoreAudio and the
IOKit, which avoids polling.
We must also keep in mind that there are some operations that are
strictly one-shot and should therefore not listen to things such as
changes to the selection range. For instance, a reverse AU would
reverse all the samples without listening to changes to the selection
range while it is doing its work, or it would screw up everything.
Alberto.
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