Setting properties on audio units
Setting properties on audio units
- Subject: Setting properties on audio units
- From: Ashley Allen <email@hidden>
- Date: Fri, 06 Jun 2008 12:40:45 -0700
Hi,
I'm working with AUGraph to create a relatively complex wiring of
audio file player units, time pitch units, generic output units and
subgraphs that feed into a stereo mixer to create a stereo mixdown. I
am unclear on the rules around setting properties on the units. For
example, when can I set the audio stream basic descriptions on the
file player and time pitch units? After they are opened, but before
they are connected to each other? I get errors if I try to set this
property on the units after they have been connected. Other
properties seem to require that the audio unit must be initialized
and opened first. For example, setting the scheduled regions property
fails if the file player unit is not first initialized. Can you
initialize a unit before it is connected to another unit in the
graph? Are these rules outlined anywhere?
Ashley
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