/*
* AlsaSynthesizer.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 java.util.ArrayList;
import java.util.List;
import javax.sound.midi.MidiChannel;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Receiver;
import javax.sound.midi.Synthesizer;
import javax.sound.midi.Instrument;
import javax.sound.midi.Soundbank;
import javax.sound.midi.VoiceStatus;
import javax.sound.midi.Patch;
import org.tritonus.share.GlobalInfo;
import org.tritonus.share.TDebug;
import org.tritonus.share.midi.TMidiDevice;
public class AlsaSynthesizer
extends AlsaMidiDevice
implements Synthesizer
{
private static final MidiChannel[] EMPTY_MIDICHANNEL_ARRAY = new MidiChannel[0];
private static final VoiceStatus[] EMPTY_VOICESTATUS_ARRAY = new VoiceStatus[0];
private List<MidiChannel> m_channels;
private int m_nVoices;
public AlsaSynthesizer(int nClient, int nPort, int nVoices)
{
super(
new TMidiDevice.Info(
"ALSA Synthesizer (" + nClient + ":" + nPort + ")",
GlobalInfo.getVendor(),
"Synthesizer based on the ALSA sequencer",
GlobalInfo.getVersion()),
nClient, nPort, false, true);
m_nVoices = nVoices;
m_channels = new ArrayList<MidiChannel>();
}
protected void openImpl()
{
super.openImpl();
// TDebug.out("AlsaSynthesizer.openImpl(): called");
// necessary? thread-safe?
m_channels.clear();
Receiver receiver = null;
try
{
receiver = this.getReceiver();
}
catch (MidiUnavailableException e)
{
if (TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
for (int i = 0; i < 16; i++)
{
MidiChannel channel = new AlsaMidiChannel(
receiver, i);
m_channels.add(channel);
}
}
protected void closeImpl()
{
super.closeImpl();
}
public int getMaxPolyphony()
{
return m_nVoices;
}
public long getLatency()
{
return -1L;
}
public MidiChannel[] getChannels()
{
return m_channels.toArray(EMPTY_MIDICHANNEL_ARRAY);
}
public VoiceStatus[] getVoiceStatus()
{
return EMPTY_VOICESTATUS_ARRAY;
}
public boolean isSoundbankSupported(Soundbank soundbank)
{
return false;
}
public boolean loadInstrument(Instrument instrument)
{
return false;
}
public void unloadInstrument(Instrument instrument)
{
}
public boolean remapInstrument(Instrument from, Instrument to)
{
return false;
}
public Soundbank getDefaultSoundbank()
{
return null;
}
public Instrument[] getAvailableInstruments()
{
return null;
}
public Instrument[] getLoadedInstruments()
{
return null;
}
public boolean loadAllInstruments(Soundbank soundbank)
{
return false;
}
public void unloadAllInstruments(Soundbank soundbank)
{
}
public boolean loadInstruments(Soundbank soundbank, Patch[] aPatches)
{
return false;
}
public void unloadInstruments(Soundbank soundbank, Patch[] aPatches)
{
}
}
/*** AlsaSynthesizer.java ***/