/*
* TMidiConfig.java
*
* This file is part of Tritonus: http://www.tritonus.org/
*/
/*
* Copyright (c) 1999 - 2004 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.core;
import java.util.Iterator;
import java.util.Set;
import javax.sound.midi.MidiDevice;
import javax.sound.midi.Sequencer;
import javax.sound.midi.Synthesizer;
import javax.sound.midi.spi.MidiDeviceProvider;
import javax.sound.midi.spi.MidiFileReader;
import javax.sound.midi.spi.MidiFileWriter;
import javax.sound.midi.spi.SoundbankReader;
import org.tritonus.share.TDebug;
import org.tritonus.share.ArraySet;
import org.tritonus.core.TInit.ProviderRegistrationAction;
/** TODO:
*/
public class TMidiConfig
{
private static Set<MidiDeviceProvider> sm_midiDeviceProviders = null;
private static Set<MidiFileReader> sm_midiFileReaders = null;
private static Set<MidiFileWriter> sm_midiFileWriters = null;
private static Set<SoundbankReader> sm_soundbankReaders = null;
private static MidiDevice.Info sm_defaultMidiInDeviceInfo = null;
private static MidiDevice.Info sm_defaultMidiOutDeviceInfo = null;
private static MidiDevice.Info sm_defaultSequencerInfo = null;
private static MidiDevice.Info sm_defaultSynthesizerInfo = null;
static
{
init();
}
/** Constructor to prevent instantiation.
*/
private TMidiConfig()
{
}
/** Initialize the collections of providers and the default devices.
*/
private static void init()
{
// init providers from scanning the class path
// note: this already sets the default devices
getMidiDeviceProvidersImpl();
getMidiFileReadersImpl();
getMidiFileWritersImpl();
getSoundbankReadersImpl();
// now check properties for default devices
// ... TODO:
}
private static void registerMidiDeviceProviders()
{
ProviderRegistrationAction action = null;
action = new ProviderRegistrationAction()
{
public void register(Object obj)
throws Exception
{
MidiDeviceProvider midiDeviceProvider = (MidiDeviceProvider) obj;
TMidiConfig.addMidiDeviceProvider(midiDeviceProvider);
}
};
TInit.registerClasses(MidiDeviceProvider.class, action);
}
private static void registerMidiFileReaders()
{
ProviderRegistrationAction action = null;
action = new ProviderRegistrationAction()
{
public void register(Object obj)
throws Exception
{
MidiFileReader provider = (MidiFileReader) obj;
TMidiConfig.addMidiFileReader(provider);
}
};
TInit.registerClasses(MidiFileReader.class, action);
}
private static void registerMidiFileWriters()
{
ProviderRegistrationAction action = null;
action = new ProviderRegistrationAction()
{
public void register(Object obj)
throws Exception
{
MidiFileWriter provider = (MidiFileWriter) obj;
TMidiConfig.addMidiFileWriter(provider);
}
};
TInit.registerClasses(MidiFileWriter.class, action);
}
private static void registerSoundbankReaders()
{
ProviderRegistrationAction action = null;
action = new ProviderRegistrationAction()
{
public void register(Object obj)
throws Exception
{
SoundbankReader provider = (SoundbankReader) obj;
TMidiConfig.addSoundbankReader(provider);
}
};
TInit.registerClasses(SoundbankReader.class, action);
}
//////////////////////////////////////////////////////////////////
public static synchronized void addMidiDeviceProvider(MidiDeviceProvider provider)
{
// TDebug.out("MidiDeviceProvider: " + provider);
getMidiDeviceProvidersImpl().add(provider);
if (getDefaultMidiInDeviceInfo() == null ||
getDefaultMidiOutDeviceInfo() == null ||
getDefaultSynthesizerInfo() == null ||
getDefaultSequencerInfo() == null)
{
MidiDevice.Info[] infos = provider.getDeviceInfo();
// TDebug.out("#infos: " + infos.length);
for (int i = 0; i < infos.length; i++)
{
MidiDevice.Info info = infos[i];
MidiDevice device = null;
try
{
device = provider.getDevice(info);
}
catch (IllegalArgumentException e)
{
if (TDebug.TraceAllExceptions)
{
TDebug.out(e);
}
}
if (device instanceof Synthesizer)
{
if (getDefaultSynthesizerInfo() == null)
{
sm_defaultSynthesizerInfo = info;
}
}
else if (device instanceof Sequencer)
{
if (getDefaultSequencerInfo() == null)
{
sm_defaultSequencerInfo = info;
}
}
else if (device.getMaxTransmitters() != 0)
{
if (getDefaultMidiInDeviceInfo() == null)
{
sm_defaultMidiInDeviceInfo = info;
}
}
else if (device.getMaxReceivers() != 0)
{
if (getDefaultMidiOutDeviceInfo() == null)
{
sm_defaultMidiOutDeviceInfo = info;
}
}
}
}
}
public static synchronized void removeMidiDeviceProvider(MidiDeviceProvider provider)
{
getMidiDeviceProvidersImpl().remove(provider);
// TODO: change default infos
}
public static synchronized Iterator<MidiDeviceProvider> getMidiDeviceProviders()
{
return getMidiDeviceProvidersImpl().iterator();
}
private static synchronized Set<MidiDeviceProvider> getMidiDeviceProvidersImpl()
{
if (sm_midiDeviceProviders == null)
{
sm_midiDeviceProviders = new ArraySet<MidiDeviceProvider>();
registerMidiDeviceProviders();
}
return sm_midiDeviceProviders;
}
public static synchronized void addMidiFileReader(MidiFileReader reader)
{
if (TDebug.TraceMidiConfig) TDebug.out("TMidiConfig.addMidiFileReader(): adding " + reader);
getMidiFileReadersImpl().add(reader);
if (TDebug.TraceMidiConfig) TDebug.out("TMidiConfig.addMidiFileReader(): size " + sm_midiFileReaders.size());
}
public static synchronized void removeMidiFileReader(MidiFileReader reader)
{
getMidiFileReadersImpl().remove(reader);
}
public static synchronized Iterator<MidiFileReader> getMidiFileReaders()
{
return getMidiFileReadersImpl().iterator();
}
private static synchronized Set<MidiFileReader> getMidiFileReadersImpl()
{
if (sm_midiFileReaders == null)
{
sm_midiFileReaders = new ArraySet<MidiFileReader>();
registerMidiFileReaders();
}
return sm_midiFileReaders;
}
public static synchronized void addMidiFileWriter(MidiFileWriter reader)
{
getMidiFileWritersImpl().add(reader);
}
public static synchronized void removeMidiFileWriter(MidiFileWriter reader)
{
getMidiFileWritersImpl().remove(reader);
}
public static synchronized Iterator<MidiFileWriter> getMidiFileWriters()
{
return getMidiFileWritersImpl().iterator();
}
private static synchronized Set<MidiFileWriter> getMidiFileWritersImpl()
{
if (sm_midiFileWriters == null)
{
sm_midiFileWriters = new ArraySet<MidiFileWriter>();
registerMidiFileWriters();
}
return sm_midiFileWriters;
}
public static synchronized void addSoundbankReader(SoundbankReader reader)
{
getSoundbankReadersImpl().add(reader);
}
public static synchronized void removeSoundbankReader(SoundbankReader reader)
{
getSoundbankReadersImpl().remove(reader);
}
public static synchronized Iterator<SoundbankReader> getSoundbankReaders()
{
return getSoundbankReadersImpl().iterator();
}
private static synchronized Set<SoundbankReader> getSoundbankReadersImpl()
{
if (sm_soundbankReaders == null)
{
sm_soundbankReaders = new ArraySet<SoundbankReader>();
registerSoundbankReaders();
}
return sm_soundbankReaders;
}
public static MidiDevice.Info getDefaultMidiInDeviceInfo()
{
return sm_defaultMidiInDeviceInfo;
}
public static MidiDevice.Info getDefaultMidiOutDeviceInfo()
{
return sm_defaultMidiOutDeviceInfo;
}
public static MidiDevice.Info getDefaultSynthesizerInfo()
{
return sm_defaultSynthesizerInfo;
}
public static MidiDevice.Info getDefaultSequencerInfo()
{
return sm_defaultSequencerInfo;
}
}
/*** TMidiConfig.java ***/