JDK 17 java.desktop.jmod - Desktop Module

JDK 17 java.desktop.jmod is the JMOD file for JDK 17 Desktop module.

JDK 17 Desktop module compiled class files are stored in \fyicenter\jdk-17.0.5\jmods\java.desktop.jmod.

JDK 17 Desktop module compiled class files are also linked and stored in the \fyicenter\jdk-17.0.5\lib\modules JImage file.

JDK 17 Desktop module source code files are stored in \fyicenter\jdk-17.0.5\lib\src.zip\java.desktop.

You can click and view the content of each source code file in the list below.

✍: FYIcenter

com/sun/media/sound/DirectAudioDeviceProvider.java

/*
 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
 *
 *
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 *
 *
 *
 *
 *
 *
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 *
 *
 *
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 *
 *
 *
 */

package com.sun.media.sound;

import javax.sound.sampled.Mixer;
import javax.sound.sampled.spi.MixerProvider;

/**
 * DirectAudioDevice provider.
 *
 * @author Florian Bomers
 */
public final class DirectAudioDeviceProvider extends MixerProvider {

    /**
     * Set of info objects for all port input devices on the system.
     */
    private static DirectAudioDeviceInfo[] infos;

    /**
     * Set of all port input devices on the system.
     */
    private static DirectAudioDevice[] devices;

    static {
        // initialize
        Platform.initialize();
    }

    /**
     * Required public no-arg constructor.
     */
    public DirectAudioDeviceProvider() {
        synchronized (DirectAudioDeviceProvider.class) {
            if (Platform.isDirectAudioEnabled()) {
                init();
            } else {
                infos = new DirectAudioDeviceInfo[0];
                devices = new DirectAudioDevice[0];
            }
        }
    }

    private static void init() {
        // get the number of input devices
        int numDevices = nGetNumDevices();

        if (infos == null || infos.length != numDevices) {
            // initialize the arrays
            infos = new DirectAudioDeviceInfo[numDevices];
            devices = new DirectAudioDevice[numDevices];

            // fill in the info objects now.
            for (int i = 0; i < infos.length; i++) {
                infos[i] = nNewDirectAudioDeviceInfo(i);
            }
        }
    }

    @Override
    public Mixer.Info[] getMixerInfo() {
        synchronized (DirectAudioDeviceProvider.class) {
            Mixer.Info[] localArray = new Mixer.Info[infos.length];
            System.arraycopy(infos, 0, localArray, 0, infos.length);
            return localArray;
        }
    }

    @Override
    public Mixer getMixer(Mixer.Info info) {
        synchronized (DirectAudioDeviceProvider.class) {
            // if the default device is asked, we provide the mixer
            // with SourceDataLine's
            if (info == null) {
                for (int i = 0; i < infos.length; i++) {
                    Mixer mixer = getDevice(infos[i]);
                    if (mixer.getSourceLineInfo().length > 0) {
                        return mixer;
                    }
                }
            }
            // otherwise get the first mixer that matches
            // the requested info object
            for (int i = 0; i < infos.length; i++) {
                if (infos[i].equals(info)) {
                    return getDevice(infos[i]);
                }
            }
        }
        throw new IllegalArgumentException(
                String.format("Mixer %s not supported by this provider", info));
    }

    private static Mixer getDevice(DirectAudioDeviceInfo info) {
        int index = info.getIndex();
        if (devices[index] == null) {
            devices[index] = new DirectAudioDevice(info);
        }
        return devices[index];
    }

    /**
     * Info class for DirectAudioDevices.  Adds an index value and a string for
     * making native references to a particular device.
     * This constructor is called from native.
     */
    static final class DirectAudioDeviceInfo extends Mixer.Info {
        private final int index;
        private final int maxSimulLines;

        // For ALSA, the deviceID contains the encoded card index, device index, and sub-device-index
        private final int deviceID;

        private DirectAudioDeviceInfo(int index, int deviceID, int maxSimulLines,
                                      String name, String vendor,
                                      String description, String version) {
            super(name, vendor, "Direct Audio Device: "+description, version);
            this.index = index;
            this.maxSimulLines = maxSimulLines;
            this.deviceID = deviceID;
        }

        int getIndex() {
            return index;
        }

        int getMaxSimulLines() {
            return maxSimulLines;
        }

        int getDeviceID() {
            return deviceID;
        }
    } // class DirectAudioDeviceInfo

    private static native int nGetNumDevices();
    // index: [0..nGetNumDevices()-1]
    private static native DirectAudioDeviceInfo nNewDirectAudioDeviceInfo(int deviceIndex);
}

com/sun/media/sound/DirectAudioDeviceProvider.java

 

Or download all of them as a single archive file:

File name: java.desktop-17.0.5-src.zip
File size: 9152233 bytes
Release date: 2022-09-13
Download 

 

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⇑⇑ FAQ for JDK (Java Development Kit) 17

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