Superclasses :
AUBase, AUMIDIBase
Subclasses :
none
Header : MusicDeviceBase
class MusicDeviceBase : public AUBase, public AUMIDIBase
This is the base class for audio units which act like synthesizers, having instruments and creating notes.
Methods
Constructor
MusicDeviceBase(
ComponentInstance inInstance,
UInt32 numInputs,
UInt32 numOutputs,
UInt32 numGroups = 0,
UInt32 numParts = 0
);
Other
static ComponentResult ComponentEntryDispatch(
ComponentParameters* params,
MusicDeviceBase* This
);
Internal. Overridden to support music device selectors such as kMusicDeviceStartNoteSelect
virtual OSStatus GetInstrumentCount (UInt32 &outInstCount) const;
virtual void HandleNoteOff(
int inChannel,
UInt8 inNoteNumber,
UInt8 inVelocity,
long inStartFrame
);
virtual ComponentResult PrepareInstrument(MusicDeviceInstrumentID inInstrument);
Pure virtual method.
virtual ComponentResult ReleaseInstrument(MusicDeviceInstrumentID inInstrument);
Pure virtual method.
virtual ComponentResult SetProperty(
AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
const void* inData,
UInt32 inDataSize
);
|
public pure virtual method
|
virtual ComponentResult StartNote(
MusicDeviceInstrumentID inInstrument,
MusicDeviceGroupID inGroupID,
NoteInstanceID& outNoteInstanceID,
UInt32 inOffsetSampleFrame,
const MusicDeviceNoteParams& inParams
) = 0;
Pure virtual method.
|
public pure virtual method
|
virtual ComponentResult StopNote(
MusicDeviceGroupID inGroupID,
NoteInstanceID inNoteInstanceID,
UInt32 inOffsetSampleFrame
) = 0;
Pure virtual method.
Properties
virtual ComponentResult GetProperty(
AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
void* outData
);
Overridden to dispatch to both superclasses.
virtual ComponentResult GetPropertyInfo(
AudioUnitPropertyID inID,
AudioUnitScope inScope,
AudioUnitElement inElement,
UInt32& outDataSize,
Boolean& outWritable
);
Overridden to dispatch to both superclasses.