| /* |
| * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.media.sound; |
| |
| import java.util.TreeMap; |
| |
| import javax.sound.midi.MidiDevice; |
| import javax.sound.midi.MidiDeviceReceiver; |
| import javax.sound.midi.MidiMessage; |
| import javax.sound.midi.ShortMessage; |
| |
| /** |
| * Software synthesizer MIDI receiver class. |
| * |
| * @author Karl Helgason |
| */ |
| public final class SoftReceiver implements MidiDeviceReceiver { |
| |
| boolean open = true; |
| private final Object control_mutex; |
| private final SoftSynthesizer synth; |
| TreeMap<Long, Object> midimessages; |
| SoftMainMixer mainmixer; |
| |
| public SoftReceiver(SoftSynthesizer synth) { |
| this.control_mutex = synth.control_mutex; |
| this.synth = synth; |
| this.mainmixer = synth.getMainMixer(); |
| if (mainmixer != null) |
| this.midimessages = mainmixer.midimessages; |
| } |
| |
| @Override |
| public MidiDevice getMidiDevice() { |
| return synth; |
| } |
| |
| @Override |
| public void send(MidiMessage message, long timeStamp) { |
| |
| synchronized (control_mutex) { |
| if (!open) |
| throw new IllegalStateException("Receiver is not open"); |
| } |
| |
| if (timeStamp != -1) { |
| synchronized (control_mutex) { |
| mainmixer.activity(); |
| while (midimessages.get(timeStamp) != null) |
| timeStamp++; |
| if (message instanceof ShortMessage |
| && (((ShortMessage)message).getChannel() > 0xF)) { |
| midimessages.put(timeStamp, message.clone()); |
| } else { |
| midimessages.put(timeStamp, message.getMessage()); |
| } |
| } |
| } else { |
| mainmixer.processMessage(message); |
| } |
| } |
| |
| @Override |
| public void close() { |
| synchronized (control_mutex) { |
| open = false; |
| } |
| synth.removeReceiver(this); |
| } |
| } |