/*
* AlsaMidiChannel.java
*
* This file is part of Tritonus: http://www.tritonus.org/
*/
/*
* Copyright (c) 1999 by Matthias Pfisterer
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
|<--- this code is formatted to fit into 80 columns --->|
*/
package org.tritonus.midi.device.alsa;
import javax.sound.midi.MidiChannel;
import javax.sound.midi.MidiMessage;
import javax.sound.midi.ShortMessage;
import javax.sound.midi.InvalidMidiDataException;
import javax.sound.midi.Receiver;
import org.tritonus.share.TDebug;
import org.tritonus.share.midi.MidiUtils;
// idea: put things that can implemented with "pure MIDI" into a base class TMidiChannel
public class AlsaMidiChannel
implements MidiChannel
{
private Receiver m_receiver;
private int m_nChannel;
public AlsaMidiChannel(Receiver receiver, int nChannel)
{
m_receiver = receiver;
m_nChannel = nChannel;
}
protected int getChannel()
{
return m_nChannel;
}
protected void sendMessage(MidiMessage message)
{
m_receiver.send(message, -1);
}
public void noteOn(int nNoteNumber, int nVelocity)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.NOTE_ON, getChannel(), nNoteNumber, nVelocity);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public void noteOff(int nNoteNumber, int nVelocity)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.NOTE_OFF, getChannel(), nNoteNumber, nVelocity);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public void noteOff(int nNoteNumber)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.NOTE_OFF, getChannel(), nNoteNumber, 0);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public void setPolyPressure(int nNoteNumber, int nPressure)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.POLY_PRESSURE, nPressure, 0);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public int getPolyPressure(int nNoteNumber)
{
return -1;
}
public void setChannelPressure(int nPressure)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.CHANNEL_PRESSURE, getChannel(), nPressure, 0);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public int getChannelPressure()
{
return -1;
}
public void controlChange(int nController, int nValue)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.CONTROL_CHANGE, getChannel(), nController, nValue);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public int getController(int nController)
{
return -1;
}
public void programChange(int nProgram)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.PROGRAM_CHANGE, getChannel(), nProgram, 0);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public void programChange(int nBank, int nProgram)
{
ShortMessage message = new ShortMessage();
try
{
// TODO: what about the bank?
message.setMessage(ShortMessage.PROGRAM_CHANGE, getChannel(), nProgram, 0);
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public int getProgram()
{
return -1;
}
public void setPitchBend(int nBend)
{
ShortMessage message = new ShortMessage();
try
{
message.setMessage(ShortMessage.PITCH_BEND, MidiUtils.get14bitLSB(nBend), MidiUtils.get14bitMSB(nBend));
}
catch (InvalidMidiDataException e)
{
if (TDebug.TraceAlsaMidiChannel || TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
sendMessage(message);
}
public int getPitchBend()
{
return -1;
}
public void resetAllControllers()
{
}
public void allNotesOff()
{
}
public void allSoundOff()
{
}
public boolean localControl(boolean bOn)
{
return false;
}
public void setMono(boolean bMono)
{
}
public boolean getMono()
{
return false;
}
public void setOmni(boolean bOmni)
{
}
public boolean getOmni()
{
return false;
}
public void setMute(boolean bMute)
{
}
public boolean getMute()
{
return false;
}
public void setSolo(boolean bSolo)
{
}
public boolean getSolo()
{
return false;
}
}
/*** AlsaMidiChannel.java ***/