haiku/headers/os/midi/MidiPort.h

#ifndef _MIDI_PORT_H
#define _MIDI_PORT_H

#include <Midi.h>

class BMidiLocalProducer;
class BMidiPortConsumer;

class BMidiPort : public BMidi 
{
public:
	BMidiPort(const char* name = NULL);
	~BMidiPort();

	status_t InitCheck() const; 
	status_t Open(const char* name);
	void Close();

	const char* PortName() 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 SystemExclusive(
		void* data, size_t dataLength, uint32 time = B_NOW);

	virtual void SystemCommon(
		uchar status, uchar data0, uchar data2, uint32 time = B_NOW);

	virtual void SystemRealTime(uchar status, uint32 time = B_NOW);

	virtual status_t Start();
	virtual void Stop();

	int32 CountDevices();

	status_t GetDeviceName(
		int32 n, char* name, size_t bufSize = B_OS_NAME_LENGTH);

private:
	typedef BMidi _inherited;

	virtual void _ReservedMidiPort1();
	virtual void _ReservedMidiPort2();
	virtual void _ReservedMidiPort3();

	virtual void Run();
	friend class BMidiPortConsumer;

	void Dispatch(
		const unsigned char* buffer, size_t size, bigtime_t when);

	ssize_t Read(void* buffer, size_t numBytes) const;
	ssize_t Write(void* buffer, size_t numBytes, uint32 time) const;

	void ScanDevices();

	// used to glue us to the new midi kit
	BMidiProducer*      remote_source;
	BMidiConsumer*      remote_sink;
	BMidiLocalProducer* local_source;
	BMidiPortConsumer*  local_sink;
		
	char* fName;
	status_t fCStatus;
	BList* _fDevices;
	uint8 _m_prev_cmd;
	bool _m_enhanced;
	uint8 _m_reserved[2];
};

#endif // _MIDI_PORT_H