1 files changed, 343 insertions, 0 deletions
diff --git a/distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/MusicDeviceBase.cpp b/distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/MusicDeviceBase.cpp
new file mode 100755
index 00000000..986d2ca4
--- /dev/null
+++ b/distrho/src/CoreAudio106/AudioUnits/AUPublic/OtherBases/MusicDeviceBase.cpp
@@ -0,0 +1,343 @@
+/*	Copyright © 2007 Apple Inc. All Rights Reserved.
+	
+	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.
+*/
+#include "MusicDeviceBase.h"
+
+// compatibility with older OS SDK releases
+typedef OSStatus
+(*TEMP_MusicDeviceMIDIEventProc)(	void *			inComponentStorage,
+							UInt32					inStatus,
+							UInt32					inData1,
+							UInt32					inData2,
+							UInt32					inOffsetSampleFrame);
+
+typedef OSStatus
+(*TEMP_MusicDeviceStartNoteProc)(	void *				inComponentStorage,
+						MusicDeviceInstrumentID			inInstrument,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID *				outNoteInstanceID,
+						UInt32							inOffsetSampleFrame,
+						const MusicDeviceNoteParams *	inParams);
+
+typedef OSStatus
+(*TEMP_MusicDeviceStopNoteProc)(void *					inComponentStorage,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID					inNoteInstanceID,
+						UInt32							inOffsetSampleFrame);
+
+
+static OSStatus		MusicDeviceBaseMIDIEvent(void *			inComponentStorage,
+						UInt32				inStatus,
+						UInt32				inData1,
+						UInt32				inData2,
+						UInt32				inOffsetSampleFrame);
+
+static OSStatus		MusicDeviceBaseStartNote(	void *		inComponentStorage,
+						MusicDeviceInstrumentID			inInstrument,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID *				outNoteInstanceID,
+						UInt32							inOffsetSampleFrame,
+						const MusicDeviceNoteParams *	inParams);
+
+static OSStatus		MusicDeviceBaseStopNote(void *			inComponentStorage,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID					inNoteInstanceID,
+						UInt32							inOffsetSampleFrame);
+
+
+
+MusicDeviceBase::MusicDeviceBase(AudioComponentInstance			inInstance, 
+									UInt32						numInputs,
+									UInt32						numOutputs,
+									UInt32						numGroups,
+									UInt32						numParts) 
+	: AUBase(inInstance, numInputs, numOutputs, numGroups, numParts),
+	  AUMIDIBase(this)
+{
+}
+
+OSStatus			MusicDeviceBase::GetPropertyInfo(AudioUnitPropertyID	inID,
+							AudioUnitScope				inScope,
+							AudioUnitElement			inElement,
+							UInt32 &				outDataSize,
+							Boolean &				outWritable)
+{
+	OSStatus result;
+	
+	switch (inID) 
+	{
+		case kMusicDeviceProperty_InstrumentCount:
+			if (inScope != kAudioUnitScope_Global) return kAudioUnitErr_InvalidScope;
+			outDataSize = sizeof(UInt32);
+			outWritable = false;
+			result = noErr;
+			break;
+
+		default:
+			result = AUBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+			
+			if (result == kAudioUnitErr_InvalidProperty)
+				result = AUMIDIBase::DelegateGetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
+			break;
+	}
+	return result;
+}
+
+OSStatus			MusicDeviceBase::GetProperty(	AudioUnitPropertyID			inID,
+							AudioUnitScope 				inScope,
+							AudioUnitElement		 	inElement,
+							void *					outData)
+{
+	OSStatus result;
+
+	switch (inID) 
+	{
+#if !CA_AU_IS_ONLY_PLUGIN
+		case kAudioUnitProperty_FastDispatch:
+			if (inElement == kMusicDeviceMIDIEventSelect) {
+				*(TEMP_MusicDeviceMIDIEventProc *)outData = MusicDeviceBaseMIDIEvent;
+				return noErr;
+			}
+			else if (inElement == kMusicDeviceStartNoteSelect) {
+				*(TEMP_MusicDeviceStartNoteProc *)outData = MusicDeviceBaseStartNote;
+				return noErr;
+			}	
+			else if (inElement == kMusicDeviceStopNoteSelect) {
+				*(TEMP_MusicDeviceStopNoteProc *)outData = MusicDeviceBaseStopNote;
+				return noErr;
+			}
+			return kAudioUnitErr_InvalidElement;
+#endif
+
+		case kMusicDeviceProperty_InstrumentCount:
+			if (inScope != kAudioUnitScope_Global) return kAudioUnitErr_InvalidScope;
+			return GetInstrumentCount (*(UInt32*)outData);
+
+		default:
+			result = AUBase::GetProperty (inID, inScope, inElement, outData);
+			
+			if (result == kAudioUnitErr_InvalidProperty)
+				result = AUMIDIBase::DelegateGetProperty (inID, inScope, inElement, outData);
+	}
+	
+	return result;
+}
+
+
+OSStatus			MusicDeviceBase::SetProperty(	AudioUnitPropertyID 			inID,
+							AudioUnitScope 				inScope,
+							AudioUnitElement 			inElement,
+							const void *				inData,
+							UInt32 					inDataSize)
+
+{
+
+	OSStatus result = AUBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
+		
+	if (result == kAudioUnitErr_InvalidProperty)
+		result = AUMIDIBase::DelegateSetProperty (inID, inScope, inElement, inData, inDataSize);
+		
+	return result;
+}
+
+// For a MusicDevice that doesn't support separate instruments (ie. is mono-timbral)
+// then this call should return an instrument count of zero and noErr
+OSStatus			MusicDeviceBase::GetInstrumentCount (UInt32 &outInstCount) const
+{
+	outInstCount = 0;
+	return noErr;
+}
+
+OSStatus	MusicDeviceBase::HandleNoteOn(	UInt8 	inChannel,
+											UInt8 	inNoteNumber,
+											UInt8 	inVelocity,
+											UInt32 	inStartFrame)
+{
+	MusicDeviceNoteParams params;
+	params.argCount = 2;
+	params.mPitch = inNoteNumber;
+	params.mVelocity = inVelocity;
+	return StartNote (kMusicNoteEvent_UseGroupInstrument, inChannel, NULL, inStartFrame, params);
+}
+											
+OSStatus	MusicDeviceBase::HandleNoteOff(	UInt8 	inChannel,
+											UInt8 	inNoteNumber,
+											UInt8 	inVelocity,
+											UInt32 	inStartFrame)
+{
+	return StopNote (inChannel, inNoteNumber, inStartFrame);
+}
+
+OSStatus			
+MusicDeviceBase::HandleStartNoteMessage (MusicDeviceInstrumentID		inInstrument, 
+										MusicDeviceGroupID				inGroupID, 
+										NoteInstanceID *				outNoteInstanceID, 
+										UInt32							inOffsetSampleFrame, 
+										const MusicDeviceNoteParams *	inParams)
+{
+	if (inParams == NULL || outNoteInstanceID == NULL) return paramErr;
+
+	if (!IsInitialized()) return kAudioUnitErr_Uninitialized;
+	
+	return StartNote (inInstrument, inGroupID, outNoteInstanceID, inOffsetSampleFrame, *inParams);
+}
+
+#if TARGET_OS_MAC
+	#if __LP64__
+		// comp instance, parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index + 1];
+	#else
+		// parameters in reverse order, then comp instance
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_nparams - 1 - _index];
+	#endif
+#elif TARGET_OS_WIN32
+		// (no comp instance), parameters in forward order
+		#define PARAM(_typ, _name, _index, _nparams) \
+			_typ _name = *(_typ *)&params->params[_index];
+#endif
+
+#if !TARGET_OS_IPHONE
+OSStatus			MusicDeviceBase::ComponentEntryDispatch(	ComponentParameters *		params,
+																MusicDeviceBase *			This)
+{
+	if (This == NULL) return paramErr;
+
+	OSStatus result;
+	
+	switch (params->what) {
+	case kMusicDeviceMIDIEventSelect:
+	case kMusicDeviceSysExSelect:
+		{
+			result = AUMIDIBase::ComponentEntryDispatch (params, This);
+		}
+		break;
+	case kMusicDevicePrepareInstrumentSelect:
+		{
+			PARAM(MusicDeviceInstrumentID, inInstrument, 0, 1);
+			result = This->PrepareInstrument(inInstrument);
+		}
+		break;
+	case kMusicDeviceReleaseInstrumentSelect:
+		{
+			PARAM(MusicDeviceInstrumentID, inInstrument, 0, 1);
+			result = This->ReleaseInstrument(inInstrument);
+		}
+		break;
+	case kMusicDeviceStartNoteSelect:
+		{
+			PARAM(MusicDeviceInstrumentID, pbinInstrument, 0, 5);
+			PARAM(MusicDeviceGroupID, pbinGroupID, 1, 5);
+			PARAM(NoteInstanceID *, pboutNoteInstanceID, 2, 5);
+			PARAM(UInt32, pbinOffsetSampleFrame, 3, 5);
+			PARAM(const MusicDeviceNoteParams *, pbinParams, 4, 5);
+			result = This->HandleStartNoteMessage(pbinInstrument, pbinGroupID, pboutNoteInstanceID, pbinOffsetSampleFrame, pbinParams);
+		}
+		break;
+	case kMusicDeviceStopNoteSelect:
+		{
+			PARAM(MusicDeviceGroupID, pbinGroupID, 0, 3);
+			PARAM(NoteInstanceID, pbinNoteInstanceID, 1, 3);
+			PARAM(UInt32, pbinOffsetSampleFrame, 2, 3);
+			result = This->StopNote(pbinGroupID, pbinNoteInstanceID, pbinOffsetSampleFrame);
+		}
+		break;
+
+	default:
+		result = AUBase::ComponentEntryDispatch(params, This);
+		break;
+	}
+	
+	return result;
+}
+#endif
+
+
+// fast dispatch
+static OSStatus		MusicDeviceBaseMIDIEvent(void *					inComponentStorage,
+						UInt32					inStatus,
+						UInt32					inData1,
+						UInt32					inData2,
+						UInt32					inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		MusicDeviceBase *This = static_cast<MusicDeviceBase *>(inComponentStorage);
+		if (This == NULL) return paramErr;
+		result = This->MIDIEvent(inStatus, inData1, inData2, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+OSStatus		MusicDeviceBaseStartNote(	void *		inComponentStorage,
+						MusicDeviceInstrumentID			inInstrument,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID *				outNoteInstanceID,
+						UInt32							inOffsetSampleFrame,
+						const MusicDeviceNoteParams *	inParams)
+{
+	OSStatus result = noErr;
+	try {
+		if (inParams == NULL || outNoteInstanceID == NULL) return paramErr;
+		MusicDeviceBase *This = static_cast<MusicDeviceBase *>(inComponentStorage);
+		if (This == NULL) return paramErr;
+		result = This->StartNote(inInstrument, inGroupID, outNoteInstanceID, inOffsetSampleFrame, *inParams);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+
+OSStatus		MusicDeviceBaseStopNote(void *			inComponentStorage,
+						MusicDeviceGroupID				inGroupID,
+						NoteInstanceID					inNoteInstanceID,
+						UInt32							inOffsetSampleFrame)
+{
+	OSStatus result = noErr;
+	try {
+		MusicDeviceBase *This = static_cast<MusicDeviceBase *>(inComponentStorage);
+		if (This == NULL) return paramErr;
+		result = This->StopNote(inGroupID, inNoteInstanceID, inOffsetSampleFrame);
+	}
+	COMPONENT_CATCH
+	return result;
+}
+