platform/mac/SuperColliderAU/AUSDK/AUMIDIEffectBase.cpp

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  40 */
  41 /*=============================================================================
  42         AUMIDIEffectBase.cpp
  43
  44 =============================================================================*/
  45
  46 #include "AUMIDIEffectBase.h"
  47
  48 // compatibility with older OS SDK releases
  49 typedef ComponentResult
  50 (*TEMP_MusicDeviceMIDIEventProc)(       void *                          inComponentStorage,
  51                                                                 UInt32                                  inStatus,
  52                                                                 UInt32                                  inData1,
  53                                                                 UInt32                                  inData2,
  54                                                                 UInt32                                  inOffsetSampleFrame);
  55
  56 static ComponentResult  AUMIDIEffectBaseMIDIEvent(void *                                inComponentStorage,
  57                                                 UInt32                                  inStatus,
  58                                                 UInt32                                  inData1,
  59                                                 UInt32                                  inData2,
  60                                                 UInt32                                  inOffsetSampleFrame);
  61
  62 AUMIDIEffectBase::AUMIDIEffectBase(             ComponentInstance                               inInstance,
  63                                                 bool                                            inProcessesInPlace )
  64         : AUEffectBase(inInstance, inProcessesInPlace),
  65           AUMIDIBase(this)
  66 {
  67 }
  68
  69 ComponentResult         AUMIDIEffectBase::GetPropertyInfo(AudioUnitPropertyID                   inID,
  70                                                         AudioUnitScope                          inScope,
  71                                                         AudioUnitElement                        inElement,
  72                                                         UInt32 &                                outDataSize,
  73                                                         Boolean &                               outWritable)
  74 {
  75         ComponentResult result;
  76
  77         result = AUEffectBase::GetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
  78
  79         if (result == kAudioUnitErr_InvalidProperty)
  80                 result = AUMIDIBase::DelegateGetPropertyInfo (inID, inScope, inElement, outDataSize, outWritable);
  81
  82         return result;
  83 }
  84
  85 ComponentResult         AUMIDIEffectBase::GetProperty(  AudioUnitPropertyID             inID,
  86                                                                                                         AudioUnitScope                  inScope,
  87                                                                                                         AudioUnitElement                inElement,
  88                                                                                                         void *                                  outData)
  89 {
  90         ComponentResult result;
  91
  92         if (inID == kAudioUnitProperty_FastDispatch) {
  93                 if (inElement == kMusicDeviceMIDIEventSelect) {
  94                         *(TEMP_MusicDeviceMIDIEventProc *)outData = AUMIDIEffectBaseMIDIEvent;
  95                         return noErr;
  96                 }
  97                 return kAudioUnitErr_InvalidElement;
  98         }
  99
 100         result = AUEffectBase::GetProperty (inID, inScope, inElement, outData);
 101
 102         if (result == kAudioUnitErr_InvalidProperty)
 103                 result = AUMIDIBase::DelegateGetProperty (inID, inScope, inElement, outData);
 104
 105         return result;
 106 }
 107
 108 ComponentResult         AUMIDIEffectBase::SetProperty(  AudioUnitPropertyID                     inID,
 109                                                         AudioUnitScope                          inScope,
 110                                                         AudioUnitElement                        inElement,
 111                                                         const void *                            inData,
 112                                                         UInt32                                  inDataSize)
 113 {
 114
 115         ComponentResult result = AUEffectBase::SetProperty (inID, inScope, inElement, inData, inDataSize);
 116
 117         if (result == kAudioUnitErr_InvalidProperty)
 118                 result = AUMIDIBase::DelegateSetProperty (inID, inScope, inElement, inData, inDataSize);
 119
 120         return result;
 121 }
 122
 123
 124 ComponentResult         AUMIDIEffectBase::ComponentEntryDispatch(ComponentParameters *                  params,
 125                                                                 AUMIDIEffectBase *                      This)
 126 {
 127         if (This == NULL) return paramErr;
 128
 129         ComponentResult result;
 130
 131         switch (params->what) {
 132         case kMusicDeviceMIDIEventSelect:
 133         case kMusicDeviceSysExSelect:
 134                 result = AUMIDIBase::ComponentEntryDispatch (params, This);
 135                 break;
 136         default:
 137                 result = AUEffectBase::ComponentEntryDispatch(params, This);
 138                 break;
 139         }
 140
 141         return result;
 142 }
 143
 144 // fast dispatch
 145 static ComponentResult  AUMIDIEffectBaseMIDIEvent(void *                                inComponentStorage,
 146                                                 UInt32                                  inStatus,
 147                                                 UInt32                                  inData1,
 148                                                 UInt32                                  inData2,
 149                                                 UInt32                                  inOffsetSampleFrame)
 150 {
 151         ComponentResult result = noErr;
 152         try {
 153                 AUMIDIEffectBase *This = static_cast<AUMIDIEffectBase *>(inComponentStorage);
 154                 if (This == NULL) return paramErr;
 155                 result = This->MIDIEvent(inStatus, inData1, inData2, inOffsetSampleFrame);
 156         }
 157         COMPONENT_CATCH
 158         return result;
 159 }