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/*
* Copyright 2009 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.devices.javasound;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Sequencer;
import javax.sound.midi.Synthesizer;
public class MidiDeviceTools {
private static final Logger LOGGER = LoggerFactory.getLogger(MidiDeviceTools.class);
/** Print the available MIDI Devices. */
public static void listDevices() {
// Ask the MidiSystem what is available.
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
// Print info about each device.
for (MidiDevice.Info info : infos) {
LOGGER.debug("MIDI Info: " + info.getDescription() + ", " + info.getName() + ", "
+ info.getVendor() + ", " + info.getVersion());
// Get the device for more information.
try {
MidiDevice device = MidiSystem.getMidiDevice(info);
LOGGER.debug(" Device: " + ", #recv = " + device.getMaxReceivers()
+ ", #xmit = " + device.getMaxTransmitters() + ", open = "
+ device.isOpen() + ", " + device);
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
}
/** Find a MIDI transmitter that contains text in the name. */
public static MidiDevice findKeyboard(String text) {
MidiDevice keyboard = null;
// Ask the MidiSystem what is available.
MidiDevice.Info[] infos = MidiSystem.getMidiDeviceInfo();
// Print info about each device.
for (MidiDevice.Info info : infos) {
try {
MidiDevice device = MidiSystem.getMidiDevice(info);
// Hardware devices are not Synthesizers or Sequencers.
if (!(device instanceof Synthesizer) && !(device instanceof Sequencer)) {
// Is this a transmitter?
// Might be -1 if unlimited.
if (device.getMaxTransmitters() != 0) {
if ((text == null)
|| (info.getDescription().toLowerCase()
.contains(text.toLowerCase()))) {
keyboard = device;
LOGGER.debug("Chose: " + info.getDescription());
break;
}
}
}
} catch (MidiUnavailableException e) {
e.printStackTrace();
}
}
return keyboard;
}
public static MidiDevice findKeyboard() {
return findKeyboard(null);
}
}
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