0N/A/*
2362N/A * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
0N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
2362N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
2362N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
0N/A * or visit www.oracle.com if you need additional information or have any
0N/A * questions.
0N/A */
1332N/A
0N/Apackage com.sun.media.sound;
0N/A
0N/Aimport javax.sound.sampled.Mixer;
0N/Aimport javax.sound.sampled.spi.MixerProvider;
0N/A
0N/A
0N/A/**
0N/A * Port provider.
0N/A *
0N/A * @author Florian Bomers
0N/A */
0N/Apublic final class PortMixerProvider extends MixerProvider {
0N/A
0N/A // STATIC VARIABLES
0N/A
0N/A /**
0N/A * Set of info objects for all port input devices on the system.
1332N/A */
0N/A private static PortMixerInfo[] infos;
0N/A
0N/A /**
0N/A * Set of all port input devices on the system.
0N/A */
private static PortMixer[] devices;
// STATIC
static {
// initialize
Platform.initialize();
}
// CONSTRUCTOR
/**
* Required public no-arg constructor.
*/
public PortMixerProvider() {
synchronized (PortMixerProvider.class) {
if (Platform.isPortsEnabled()) {
init();
} else {
infos = new PortMixerInfo[0];
devices = new PortMixer[0];
}
}
}
private static void init() {
// get the number of input devices
int numDevices = nGetNumDevices();
if (infos == null || infos.length != numDevices) {
if (Printer.trace) Printer.trace("PortMixerProvider: init()");
// initialize the arrays
infos = new PortMixerInfo[numDevices];
devices = new PortMixer[numDevices];
// fill in the info objects now.
// we'll fill in the device objects as they're requested.
for (int i = 0; i < infos.length; i++) {
infos[i] = nNewPortMixerInfo(i);
}
if (Printer.trace) Printer.trace("PortMixerProvider: init(): found numDevices: " + numDevices);
}
}
public Mixer.Info[] getMixerInfo() {
synchronized (PortMixerProvider.class) {
Mixer.Info[] localArray = new Mixer.Info[infos.length];
System.arraycopy(infos, 0, localArray, 0, infos.length);
return localArray;
}
}
public Mixer getMixer(Mixer.Info info) {
synchronized (PortMixerProvider.class) {
for (int i = 0; i < infos.length; i++) {
if (infos[i].equals(info)) {
return getDevice(infos[i]);
}
}
}
throw new IllegalArgumentException("Mixer " + info.toString()
+ " not supported by this provider.");
}
private static Mixer getDevice(PortMixerInfo info) {
int index = info.getIndex();
if (devices[index] == null) {
devices[index] = new PortMixer(info);
}
return devices[index];
}
// INNER CLASSES
/**
* Info class for PortMixers. Adds an index value for
* making native references to a particular device.
* This constructor is called from native.
*/
static final class PortMixerInfo extends Mixer.Info {
private final int index;
private PortMixerInfo(int index, String name, String vendor, String description, String version) {
super("Port " + name, vendor, description, version);
this.index = index;
}
int getIndex() {
return index;
}
} // class PortMixerInfo
// NATIVE METHODS
private static native int nGetNumDevices();
private static native PortMixerInfo nNewPortMixerInfo(int mixerIndex);
}