/*

Copyright (C) 2016 Apple Inc. All Rights Reserved.

See LICENSE.txt for this sample’s licensing information

Abstract:

Part of Core Audio AUBase Classes

*/

#ifndef __MusicDeviceBase_h__

#define __MusicDeviceBase_h__

#include "AUMIDIBase.h"

// ________________________________________________________________________

//  MusicDeviceBase

//

/*! @class MusicDeviceBase */

class MusicDeviceBase : public AUBase, public AUMIDIBase {

public:

    /*! @ctor MusicDeviceBase */

                                MusicDeviceBase(        AudioComponentInstance          inInstance, 

                                                        UInt32                          numInputs,

                                                        UInt32                          numOutputs,

                                                        UInt32                          numGroups = 0);

    virtual OSStatus    MIDIEvent(      UInt32                      inStatus, 

                                        UInt32                      inData1, 

                                        UInt32                      inData2, 

                                        UInt32                      inOffsetSampleFrame)

    {

        return AUMIDIBase::MIDIEvent (inStatus, inData1, inData2, inOffsetSampleFrame);

    }

    /*! @method SysEx */

    virtual OSStatus    SysEx(          const UInt8 *               inData, 

                                        UInt32                      inLength) 

    {

        return AUMIDIBase::SysEx (inData, inLength);

    }

    /*! @method GetPropertyInfo */

    virtual OSStatus            GetPropertyInfo(AudioUnitPropertyID         inID,

                                                AudioUnitScope              inScope,

                                                AudioUnitElement            inElement,

                                                UInt32 &                    outDataSize,

                                                Boolean &                   outWritable);

    /*! @method GetProperty */

    virtual OSStatus            GetProperty(    AudioUnitPropertyID         inID,

                                                AudioUnitScope              inScope,

                                                AudioUnitElement            inElement,

                                                void *                      outData);

    /*! @method SetProperty */

    virtual OSStatus            SetProperty(            AudioUnitPropertyID             inID,

                                                        AudioUnitScope                  inScope,

                                                        AudioUnitElement                inElement,

                                                        const void *                    inData,

                                                        UInt32                          inDataSize);

    /*! @method HandleNoteOn */

    virtual OSStatus            HandleNoteOn(   UInt8   inChannel,

                                                UInt8   inNoteNumber,

                                                UInt8   inVelocity,

                                                UInt32  inStartFrame);

    /*! @method HandleNoteOff */

    virtual OSStatus            HandleNoteOff(  UInt8   inChannel,

                                                UInt8   inNoteNumber,

                                                UInt8   inVelocity,

                                                UInt32  inStartFrame);

    /*! @method GetInstrumentCount */

    virtual OSStatus            GetInstrumentCount (    UInt32 &outInstCount) const;

#if !CA_USE_AUDIO_PLUGIN_ONLY

    // component dispatcher

    /*! @method ComponentEntryDispatch */

    static OSStatus         ComponentEntryDispatch( ComponentParameters *           params,

                                                        MusicDeviceBase *               This);

#endif

private:

    OSStatus                HandleStartNoteMessage (MusicDeviceInstrumentID inInstrument, MusicDeviceGroupID inGroupID, NoteInstanceID *outNoteInstanceID, UInt32 inOffsetSampleFrame, const MusicDeviceNoteParams *inParams);

};

#endif // __MusicDeviceBase_h__