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Diffstat (limited to 'libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.cpp')
-rw-r--r-- | libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.cpp | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.cpp b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.cpp new file mode 100644 index 0000000000..dfe307c9eb --- /dev/null +++ b/libs/appleutility/CoreAudio/AudioUnits/AUPublic/OtherBases/AUMIDIEffectBase.cpp @@ -0,0 +1,164 @@ +/* + File: AUMIDIEffectBase.cpp + Abstract: AUMIDIEffectBase.h + Version: 1.1 + + Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple + Inc. ("Apple") in consideration of your agreement to the following + terms, and your use, installation, modification or redistribution of + this Apple software constitutes acceptance of these terms. If you do + not agree with these terms, please do not use, install, modify or + redistribute this Apple software. + + In consideration of your agreement to abide by the following terms, and + subject to these terms, Apple grants you a personal, non-exclusive + license, under Apple's copyrights in this original Apple software (the + "Apple Software"), to use, reproduce, modify and redistribute the Apple + Software, with or without modifications, in source and/or binary forms; + provided that if you redistribute the Apple Software in its entirety and + without modifications, you must retain this notice and the following + text and disclaimers in all such redistributions of the Apple Software. + Neither the name, trademarks, service marks or logos of Apple Inc. may + be used to endorse or promote products derived from the Apple Software + without specific prior written permission from Apple. Except as + expressly stated in this notice, no other rights or licenses, express or + implied, are granted by Apple herein, including but not limited to any + patent rights that may be infringed by your derivative works or by other + works in which the Apple Software may be incorporated. + + The Apple Software is provided by Apple on an "AS IS" basis. APPLE + MAKES NO WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION + THE IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS + FOR A PARTICULAR PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND + OPERATION ALONE OR IN COMBINATION WITH YOUR PRODUCTS. + + IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL + OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, + MODIFICATION AND/OR DISTRIBUTION OF THE APPLE SOFTWARE, HOWEVER CAUSED + AND WHETHER UNDER THEORY OF CONTRACT, TORT (INCLUDING NEGLIGENCE), + STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + + Copyright (C) 2014 Apple Inc. All Rights Reserved. + +*/ +#include "AUMIDIEffectBase.h" + +// compatibility with older OS SDK releases +typedef OSStatus +(*TEMP_MusicDeviceMIDIEventProc)( void * inComponentStorage, + UInt32 inStatus, + UInt32 inData1, + UInt32 inData2, + UInt32 inOffsetSampleFrame); + +static OSStatus AUMIDIEffectBaseMIDIEvent(void * inComponentStorage, + UInt32 inStatus, + UInt32 inData1, + UInt32 inData2, + UInt32 inOffsetSampleFrame); + +AUMIDIEffectBase::AUMIDIEffectBase( AudioComponentInstance inInstance, + bool inProcessesInPlace ) + : AUEffectBase(inInstance, inProcessesInPlace), + AUMIDIBase(this) +{ +} + +OSStatus AUMIDIEffectBase::GetPropertyInfo(AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + UInt32 & outDataSize, + Boolean & outWritable) +{ + OSStatus result; + + result = AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); + + if (result == kAudioUnitErr_InvalidProperty) + result = AUMIDIBase::DelegateGetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable); + + return result; +} + +OSStatus AUMIDIEffectBase::GetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + void * outData) +{ + OSStatus result; + +#if !CA_USE_AUDIO_PLUGIN_ONLY + if (inID == kAudioUnitProperty_FastDispatch) { + if (inElement == kMusicDeviceMIDIEventSelect) { + *(TEMP_MusicDeviceMIDIEventProc *)outData = AUMIDIEffectBaseMIDIEvent; + return noErr; + } + return kAudioUnitErr_InvalidElement; + } +#endif + + result = AUEffectBase::GetProperty (inID, inScope, inElement, outData); + + if (result == kAudioUnitErr_InvalidProperty) + result = AUMIDIBase::DelegateGetProperty (inID, inScope, inElement, outData); + + return result; +} + +OSStatus AUMIDIEffectBase::SetProperty( AudioUnitPropertyID inID, + AudioUnitScope inScope, + AudioUnitElement inElement, + const void * inData, + UInt32 inDataSize) +{ + + OSStatus result = AUEffectBase::SetProperty (inID, inScope, inElement, inData, inDataSize); + + if (result == kAudioUnitErr_InvalidProperty) + result = AUMIDIBase::DelegateSetProperty (inID, inScope, inElement, inData, inDataSize); + + return result; +} + + +#if !TARGET_OS_IPHONE +OSStatus AUMIDIEffectBase::ComponentEntryDispatch(ComponentParameters * params, + AUMIDIEffectBase * This) +{ + if (This == NULL) return paramErr; + + OSStatus result; + + switch (params->what) { + case kMusicDeviceMIDIEventSelect: + case kMusicDeviceSysExSelect: + result = AUMIDIBase::ComponentEntryDispatch (params, This); + break; + default: + result = AUEffectBase::ComponentEntryDispatch(params, This); + break; + } + + return result; +} +#endif + +// fast dispatch +static OSStatus AUMIDIEffectBaseMIDIEvent(void * inComponentStorage, + UInt32 inStatus, + UInt32 inData1, + UInt32 inData2, + UInt32 inOffsetSampleFrame) +{ + OSStatus result = noErr; + try { + AUMIDIEffectBase *This = static_cast<AUMIDIEffectBase *>(inComponentStorage); + if (This == NULL) return paramErr; + result = This->AUMIDIBase::MIDIEvent(inStatus, inData1, inData2, inOffsetSampleFrame); + } + COMPONENT_CATCH + return result; +} |