exceptions to using RenderCallback
exceptions to using RenderCallback
- Subject: exceptions to using RenderCallback
- From: Marcin Rakowski <email@hidden>
- Date: Wed, 20 Jul 2016 10:31:47 +0000
Hi, I have a graph in which two separate AudioFilePlayer AUs are feediing into a Mixer unit that then outputs to Output unit. It works fine.
Then I set up a render callback on the Mixer unit, but it never gets called.
AURenderCallbackStruct input;
input.inputProc = SineWaveRenderProc;
input.inputProcRefCon = &mixerCallback;
CheckError(AudioUnitSetProperty(mixerUnit,
kAudioUnitProperty_SetRenderCallback,
kAudioUnitScope_Output,
0,
&input,
sizeof(input)),
"AudioUnitSetProperty failed");
Is this expected behaviour? The mixer is receiving samples on both inputs. Is there a way to switch where the unit is pulling data from, ie. inputs or RenderCallback?
--
Marcin
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