org.tritonus.midi.device.alsa
Class AlsaMidiDevice

java.lang.Object
  org.tritonus.share.midi.TMidiDevice
      org.tritonus.midi.device.alsa.AlsaMidiDevice

All Implemented Interfaces:

AlsaMidiIn.AlsaMidiInListener, MidiDevice

Direct Known Subclasses:

AlsaSynthesizer

public class AlsaMidiDevice

extends TMidiDevice

implements AlsaMidiIn.AlsaMidiInListener

A representation of a physical MIDI port based on the ALSA sequencer.

Nested Class Summary

Nested classes inherited from class org.tritonus.share.midi.TMidiDevice

TMidiDevice.Info, TMidiDevice.TReceiver, TMidiDevice.TTransmitter

Constructor Summary

	AlsaMidiDevice(int nClient, int nPort, boolean bUseIn, boolean bUseOut)
protected	AlsaMidiDevice(MidiDevice.Info info, int nClient, int nPort, boolean bUseIn, boolean bUseOut)

Method Summary

protected void	closeImpl() Subclasses have to override this method to be notified of closeing.
void	dequeueEvent(MidiMessage message, long lTimestamp)
long	getMicroSecondPosition()
Receiver	getReceiver() Creates a new Receiver object associated with this instance.
Transmitter	getTransmitter() Creates a new Transmitter object associated with this instance.
protected void	openImpl() Subclasses have to override this method to be notified of opening.
protected void	receive(MidiMessage message, long lTimeStamp) Pass MidiMessage from Receivers to physical MIDI port.

Methods inherited from class org.tritonus.share.midi.TMidiDevice

close, getDeviceInfo, getMaxReceivers, getMaxTransmitters, getMicrosecondPosition, getReceivers, getTransmitters, getUseIn, getUseOut, isOpen, open, sendImpl

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AlsaMidiDevice

public AlsaMidiDevice(int nClient,
                      int nPort,
                      boolean bUseIn,
                      boolean bUseOut)

AlsaMidiDevice

protected AlsaMidiDevice(MidiDevice.Info info,
                         int nClient,
                         int nPort,
                         boolean bUseIn,
                         boolean bUseOut)

Method Detail

openImpl

protected void openImpl()

Description copied from class: TMidiDevice

Subclasses have to override this method to be notified of opening.

Overrides:

openImpl in class TMidiDevice

closeImpl

protected void closeImpl()

Description copied from class: TMidiDevice

Subclasses have to override this method to be notified of closeing.

Overrides:

closeImpl in class TMidiDevice

getMicroSecondPosition

public long getMicroSecondPosition()

receive

protected void receive(MidiMessage message,
                       long lTimeStamp)

Pass MidiMessage from Receivers to physical MIDI port.

Overrides:

receive in class TMidiDevice

dequeueEvent

public void dequeueEvent(MidiMessage message,
                         long lTimestamp)

Specified by:

dequeueEvent in interface AlsaMidiIn.AlsaMidiInListener

getReceiver

public Receiver getReceiver()
                     throws MidiUnavailableException

Description copied from class: TMidiDevice

Creates a new Receiver object associated with this instance. In this implementation, an unlimited number of Receivers per MidiDevice can be created.

Specified by:

getReceiver in interface MidiDevice

Overrides:

getReceiver in class TMidiDevice

Throws:

MidiUnavailableException

getTransmitter

public Transmitter getTransmitter()
                           throws MidiUnavailableException

Description copied from class: TMidiDevice

Creates a new Transmitter object associated with this instance. In this implementation, an unlimited number of Transmitters per MidiDevice can be created.

Specified by:

getTransmitter in interface MidiDevice

Overrides:

getTransmitter in class TMidiDevice

Throws:

MidiUnavailableException