#ifndef _MIDI_SYNTH_H
#define _MIDI_SYNTH_H

#include <BeBuild.h>
#include <Midi.h>
#include <Synth.h>
#include <MidiDefs.h>

class BSynth;

class BMidiSynth : public BMidi {
public:

        BMidiSynth(); 
        virtual ~BMidiSynth();

        status_t EnableInput(bool enable, bool loadInstruments);
        bool IsInputEnabled(void) const;

        void SetVolume(double volume);
        double Volume(void) const;

        void SetTransposition(int16 offset);
        int16 Transposition(void) const;

        void MuteChannel(int16 channel, bool do_mute);
        void GetMuteMap(char* pChannels) const;

        void SoloChannel(int16 channel, bool do_solo);
        void GetSoloMap(char* pChannels) const;

        status_t LoadInstrument(int16 instrument);
        status_t UnloadInstrument(int16 instrument);
        status_t RemapInstrument(int16 from, int16 to);

        void FlushInstrumentCache(bool startStopCache);

        uint32 Tick(void) const;

        virtual void NoteOff(
                uchar channel, uchar note, uchar velocity, uint32 time = B_NOW);

        virtual void NoteOn(
                uchar channel, uchar note, uchar velocity, uint32 time = B_NOW);

        virtual void KeyPressure(
                uchar channel, uchar note, uchar pressure, uint32 time = B_NOW);

        virtual void ControlChange(
                uchar channel, uchar controlNumber, uchar controlValue, 
                uint32 time = B_NOW);

        virtual void ProgramChange(
                uchar channel, uchar programNumber, uint32 time = B_NOW);

        virtual void ChannelPressure(
                uchar channel, uchar pressure, uint32 time = B_NOW);

        virtual void PitchBend(
                uchar channel, uchar lsb, uchar msb, uint32 time = B_NOW);

        virtual void AllNotesOff(bool justChannel, uint32 time = B_NOW);

protected:

        void* fSongVariables;
        void* fPerformanceVariables;
        bool fMidiQueue;
        
private:

        friend class BSynth;

        virtual void _ReservedMidiSynth1();
        virtual void _ReservedMidiSynth2();
        virtual void _ReservedMidiSynth3();
        virtual void _ReservedMidiSynth4();

        virtual void Run();

        bigtime_t fCreationTime;
        int16 fTranspose;
        bool fInputEnabled;
};

#endif // _MIDI_SYNTH_H