51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/*
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* AudioUnit_AE2.h
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* CAServices-Aspen
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*
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* Created by richardp on 11/28/11.
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* Copyright 2011 Apple, Inc. All rights reserved.
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*
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* Serves as the base class for AudioUnits on AE2
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*/
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#ifndef __AudioUnit_AE2_h__
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#define __AudioUnit_AE2_h__
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#include <stdint.h>
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#include "AudioUnitProperties_AE2.h"
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/**
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* AUBase_AE2 is the wrapper to go from AE2 land to CoreAudio land.
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* For instance, we assume input channels are 16-bit, whereas CoreAudio
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* AudioUnit may require floats. These modules do the translation.
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*
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* This is not intended to be parity with AudioUnits, but a crippled
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* version.
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*/
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class AUBase_AE2
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{
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public:
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AUBase_AE2() {}
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virtual ~AUBase_AE2() {}
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virtual OSStatus Initialize() { return noErr; }
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virtual void Process(const void *inSourceP,
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void *inDestP,
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uint32_t inFramesToProcess) {}
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// for parameters
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virtual OSStatus SetParameter(AudioUnitParameterID paramID, AudioUnitParameterValue value) { return kAudioUnitErr_InvalidParameter; }
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virtual AudioUnitParameterValue GetParameter(AudioUnitParameterID paramID) { return 0; }
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// for properties
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virtual OSStatus GetPropertyInfo(AudioUnitPropertyID inID, uint32_t& outDataSize, bool& outWritable) { return kAudioUnitErr_InvalidProperty; }
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virtual OSStatus GetProperty(AudioUnitPropertyID inID, void* outData) { return kAudioUnitErr_InvalidProperty; }
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virtual OSStatus SetProperty(AudioUnitPropertyID inID, const void* inData, uint32_t inDataSize) { return kAudioUnitErr_InvalidProperty; }
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};
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#endif // __AudioUnit_AE2_h__
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