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1: /* AlsaPortDevice.java -- ALSA MIDI Port Devices 2: Copyright (C) 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package gnu.javax.sound.midi.alsa; 40: 41: import javax.sound.midi.MidiDevice; 42: import javax.sound.midi.MidiMessage; 43: import javax.sound.midi.Receiver; 44: import javax.sound.midi.Transmitter; 45: 46: // FIXME: This next import is only rquired for gcj it seems. 47: import javax.sound.midi.MidiDevice.Info; 48: 49: import gnu.javax.sound.midi.alsa.AlsaMidiDeviceProvider.AlsaPortInfo; 50: 51: /** 52: * ALSA Port Device 53: * 54: * @author Anthony Green (green@redhat.com) 55: * 56: */ 57: public abstract class AlsaPortDevice implements MidiDevice 58: { 59: /** 60: * The ALSA Receiver class. 61: * 62: * @author Anthony Green (green@redhat.com) 63: * 64: */ 65: public class AlsaReceiver implements Receiver 66: { 67: /* (non-Javadoc) 68: * @see javax.sound.midi.Receiver#send(javax.sound.midi.MidiMessage, long) 69: */ 70: public void send(MidiMessage message, long timeStamp) 71: throws IllegalStateException 72: { 73: // TODO Auto-generated method stub 74: 75: } 76: 77: /* (non-Javadoc) 78: * @see javax.sound.midi.Receiver#close() 79: */ 80: public void close() 81: { 82: // TODO Auto-generated method stub 83: 84: } 85: } 86: 87: AlsaMidiDeviceProvider.AlsaPortInfo info; 88: 89: public AlsaPortDevice (AlsaPortInfo info) 90: { 91: this.info = info; 92: } 93: 94: public Info getDeviceInfo() 95: { 96: return info; 97: } 98: 99: native void run_receiver_thread_ (long client, long port, Receiver receiver); 100: 101: /** 102: * The ALSA Transmitter class. 103: * 104: * @author Anthony Green (green@redhat.com) 105: * 106: */ 107: protected class AlsaTransmitter implements Transmitter, Runnable 108: { 109: private Receiver receiver; 110: 111: public void run() 112: { 113: run_receiver_thread_ (info.client, info.port, receiver); 114: } 115: 116: /* (non-Javadoc) 117: * @see javax.sound.midi.Transmitter#setReceiver(javax.sound.midi.Receiver) 118: */ 119: public void setReceiver(Receiver receiver) 120: { 121: synchronized (this) 122: { 123: this.receiver = receiver; 124: } 125: 126: // Create the processing thread 127: new Thread(this).start(); 128: } 129: 130: /* (non-Javadoc) 131: * @see javax.sound.midi.Transmitter#getReceiver() 132: */ 133: public Receiver getReceiver() 134: { 135: synchronized (this) 136: { 137: return receiver; 138: } 139: } 140: 141: /* (non-Javadoc) 142: * @see javax.sound.midi.Transmitter#close() 143: */ 144: public void close() 145: { 146: synchronized (this) 147: { 148: receiver.close(); 149: receiver = null; 150: } 151: } 152: } 153: }