AU state & MaximumFramesPerSlice
AU state & MaximumFramesPerSlice
- Subject: AU state & MaximumFramesPerSlice
- From: Jeremy Sagan <email@hidden>
- Date: Mon, 17 Apr 2006 12:28:25 -0400
| Hello,
It appears that several AU plug-ins state will change after their kAudioUnitProperty_MaximumFramesPerSlice or their sample rate is changed. This state change causes the current program/patch/sound to be replaced with the default sound. This may be due to the fact that they have to be uninitialized and re-initialized before these settings can be made.
However I hear that Apple's Logic product saves and restores the plug-ins state before changing these properties. So, Apple, is this part of the AU specification? Does a host have to save and restore the plug-ins state simply because the sample rate or frame size changes?
Jeremy |
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