Java 类javax.sound.sampled.TargetDataLine 实例源码

项目：java-google-speech-api 文件：GSpeechDuplex.java

/**
 * Streams data from the TargetDataLine to the API.
 * 
 * @param urlStr
 *            The URL to stream to
 * @param tl
 *            The target data line to stream from.
 * @param af
 *            The AudioFormat to stream with.`
 * @throws LineUnavailableException
 *             If cannot open or stream the TargetDataLine.
 */
private Thread upChannel(String urlStr , TargetDataLine tl , AudioFormat af) throws LineUnavailableException {
    final String murl = urlStr;
    final TargetDataLine mtl = tl;
    final AudioFormat maf = af;
    if (!mtl.isOpen()) {
        mtl.open(maf);
        mtl.start();
    }
    Thread upChannelThread = new Thread("Upstream Thread") {
        public void run() {
            openHttpsPostConnection(murl, mtl, (int) maf.getSampleRate());
        }
    };
    upChannelThread.start();
    return upChannelThread;

}

项目：jaer 文件：VirtualDrummerMicrophoneInput.java

/** Creates a new instance of test. Opens the microphone input as the target line.
     * To start the reporting, {@link #start} the thread.
     * @throws LineUnavailableException if microphone input is not available
     */
    public VirtualDrummerMicrophoneInput () throws LineUnavailableException{
//        getAudioInfo();  // prints lots of useless information
        format = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,sampleRate,8,1,1,sampleRate,false);

        DataLine.Info dlinfo = new DataLine.Info(TargetDataLine.class,
                format);
        if ( AudioSystem.isLineSupported(dlinfo) ){
            targetDataLine = (TargetDataLine)AudioSystem.getLine(dlinfo);
        }
        targetDataLine.open(format,bufferSize);
        bufferSize=targetDataLine.getBufferSize();
        gui = new DrumSoundDetectorDemo();
        gui.setVirtualDrummerMicrophoneInput(this);

    }

项目：OpenJSharp 文件：JDK13Services.java

/** Obtain the value of a default provider property.
    @param typeClass The type of the default provider property. This
    should be one of Receiver.class, Transmitter.class, Sequencer.class,
    Synthesizer.class, SourceDataLine.class, TargetDataLine.class,
    Clip.class or Port.class.
    @return The complete value of the property, if available.
    If the property is not set, null is returned.
 */
private static synchronized String getDefaultProvider(Class typeClass) {
    if (!SourceDataLine.class.equals(typeClass)
            && !TargetDataLine.class.equals(typeClass)
            && !Clip.class.equals(typeClass)
            && !Port.class.equals(typeClass)
            && !Receiver.class.equals(typeClass)
            && !Transmitter.class.equals(typeClass)
            && !Synthesizer.class.equals(typeClass)
            && !Sequencer.class.equals(typeClass)) {
        return null;
    }
    String name = typeClass.getName();
    String value = AccessController.doPrivileged(
            (PrivilegedAction<String>) () -> System.getProperty(name));
    if (value == null) {
        value = getProperties().getProperty(name);
    }
    if ("".equals(value)) {
        value = null;
    }
    return value;
}

项目：jdk8u-jdk 文件：JDK13Services.java

/** Obtain the value of a default provider property.
    @param typeClass The type of the default provider property. This
    should be one of Receiver.class, Transmitter.class, Sequencer.class,
    Synthesizer.class, SourceDataLine.class, TargetDataLine.class,
    Clip.class or Port.class.
    @return The complete value of the property, if available.
    If the property is not set, null is returned.
 */
private static synchronized String getDefaultProvider(Class typeClass) {
    if (!SourceDataLine.class.equals(typeClass)
            && !TargetDataLine.class.equals(typeClass)
            && !Clip.class.equals(typeClass)
            && !Port.class.equals(typeClass)
            && !Receiver.class.equals(typeClass)
            && !Transmitter.class.equals(typeClass)
            && !Synthesizer.class.equals(typeClass)
            && !Sequencer.class.equals(typeClass)) {
        return null;
    }
    String name = typeClass.getName();
    String value = AccessController.doPrivileged(
            (PrivilegedAction<String>) () -> System.getProperty(name));
    if (value == null) {
        value = getProperties().getProperty(name);
    }
    if ("".equals(value)) {
        value = null;
    }
    return value;
}

项目：openjdk-jdk10 文件：JDK13Services.java

/** Obtain the value of a default provider property.
    @param typeClass The type of the default provider property. This
    should be one of Receiver.class, Transmitter.class, Sequencer.class,
    Synthesizer.class, SourceDataLine.class, TargetDataLine.class,
    Clip.class or Port.class.
    @return The complete value of the property, if available.
    If the property is not set, null is returned.
 */
private static synchronized String getDefaultProvider(Class<?> typeClass) {
    if (!SourceDataLine.class.equals(typeClass)
            && !TargetDataLine.class.equals(typeClass)
            && !Clip.class.equals(typeClass)
            && !Port.class.equals(typeClass)
            && !Receiver.class.equals(typeClass)
            && !Transmitter.class.equals(typeClass)
            && !Synthesizer.class.equals(typeClass)
            && !Sequencer.class.equals(typeClass)) {
        return null;
    }
    String name = typeClass.getName();
    String value = AccessController.doPrivileged(
            (PrivilegedAction<String>) () -> System.getProperty(name));
    if (value == null) {
        value = getProperties().getProperty(name);
    }
    if ("".equals(value)) {
        value = null;
    }
    return value;
}

项目：openjdk-jdk10 文件：LineDefFormat.java

private static void doMixerTDL(Mixer mixer, AudioFormat format) {
    if (mixer==null) return;
    try {
        System.out.println("TDL from mixer "+mixer+":");
            DataLine.Info info = new DataLine.Info(
                                      TargetDataLine.class,
                                      format);
        if (mixer.isLineSupported(info)) {
            TargetDataLine tdl = (TargetDataLine) mixer.getLine(info);
            doLine1(tdl, format);
            doLine2(tdl, format);
        } else {
            System.out.println("  - Line not supported");
        }
    } catch (Throwable t) {
        System.out.println("  - Caught exception. Not failed.");
        System.out.println("  - "+t.toString());
    }
}

项目：openjdk9 文件：JDK13Services.java

/** Obtain the value of a default provider property.
    @param typeClass The type of the default provider property. This
    should be one of Receiver.class, Transmitter.class, Sequencer.class,
    Synthesizer.class, SourceDataLine.class, TargetDataLine.class,
    Clip.class or Port.class.
    @return The complete value of the property, if available.
    If the property is not set, null is returned.
 */
private static synchronized String getDefaultProvider(Class<?> typeClass) {
    if (!SourceDataLine.class.equals(typeClass)
            && !TargetDataLine.class.equals(typeClass)
            && !Clip.class.equals(typeClass)
            && !Port.class.equals(typeClass)
            && !Receiver.class.equals(typeClass)
            && !Transmitter.class.equals(typeClass)
            && !Synthesizer.class.equals(typeClass)
            && !Sequencer.class.equals(typeClass)) {
        return null;
    }
    String name = typeClass.getName();
    String value = AccessController.doPrivileged(
            (PrivilegedAction<String>) () -> System.getProperty(name));
    if (value == null) {
        value = getProperties().getProperty(name);
    }
    if ("".equals(value)) {
        value = null;
    }
    return value;
}

项目：screencast4j 文件：SampledSoundRecorder.java

@Override
 public String setUp() {
   String   result;

   result = super.setUp();

   if (result == null) {
     m_AudioFormat = new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
m_Frequency, 16, 2, 4, m_Frequency, false);
     m_DataLineInfo = new DataLine.Info(TargetDataLine.class, m_AudioFormat);
     try {
m_TargetDataLine = (TargetDataLine) AudioSystem.getLine(m_DataLineInfo);
m_TargetDataLine.open(m_AudioFormat);
     }
     catch (Exception e) {
return "Unable to get recording line: " + Utils.throwableToString(e);
     }
     m_AudioInputStream = new AudioInputStream(m_TargetDataLine);
   }

   return result;
 }

项目：jdk8u_jdk 文件：JDK13Services.java

/** Obtain the value of a default provider property.
    @param typeClass The type of the default provider property. This
    should be one of Receiver.class, Transmitter.class, Sequencer.class,
    Synthesizer.class, SourceDataLine.class, TargetDataLine.class,
    Clip.class or Port.class.
    @return The complete value of the property, if available.
    If the property is not set, null is returned.
 */
private static synchronized String getDefaultProvider(Class typeClass) {
    if (!SourceDataLine.class.equals(typeClass)
            && !TargetDataLine.class.equals(typeClass)
            && !Clip.class.equals(typeClass)
            && !Port.class.equals(typeClass)
            && !Receiver.class.equals(typeClass)
            && !Transmitter.class.equals(typeClass)
            && !Synthesizer.class.equals(typeClass)
            && !Sequencer.class.equals(typeClass)) {
        return null;
    }
    String name = typeClass.getName();
    String value = AccessController.doPrivileged(
            (PrivilegedAction<String>) () -> System.getProperty(name));
    if (value == null) {
        value = getProperties().getProperty(name);
    }
    if ("".equals(value)) {
        value = null;
    }
    return value;
}

项目：lookaside_java-1.8.0-openjdk 文件：JDK13Services.java

/** Obtain the value of a default provider property.
    @param typeClass The type of the default provider property. This
    should be one of Receiver.class, Transmitter.class, Sequencer.class,
    Synthesizer.class, SourceDataLine.class, TargetDataLine.class,
    Clip.class or Port.class.
    @return The complete value of the property, if available.
    If the property is not set, null is returned.
 */
private static synchronized String getDefaultProvider(Class typeClass) {
    if (!SourceDataLine.class.equals(typeClass)
            && !TargetDataLine.class.equals(typeClass)
            && !Clip.class.equals(typeClass)
            && !Port.class.equals(typeClass)
            && !Receiver.class.equals(typeClass)
            && !Transmitter.class.equals(typeClass)
            && !Synthesizer.class.equals(typeClass)
            && !Sequencer.class.equals(typeClass)) {
        return null;
    }
    String name = typeClass.getName();
    String value = AccessController.doPrivileged(
            (PrivilegedAction<String>) () -> System.getProperty(name));
    if (value == null) {
        value = getProperties().getProperty(name);
    }
    if ("".equals(value)) {
        value = null;
    }
    return value;
}

项目：cloudturbine 文件：AudioStream.java

/**
 * Implementation of the abstract start() method from DataStream
 */
public void start() throws Exception {
    if (queue != null) { throw new Exception("ERROR in AudioStream.start(): LinkedBlockingQueue object is not null"); }
    // Make sure we can open the audio line
    try {
        format = getFormat();
        DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
        line = (TargetDataLine) AudioSystem.getLine(info);
        line.open(format);
        line.start();
    } catch (LineUnavailableException e) {
        throw new Exception("Audio stream error, could not open the audio line:\n" + e.getMessage());
    }
    bIsRunning = true;
    // Make sure there is no other audio capture running
    stopAudio();
    queue = new LinkedBlockingQueue<TimeValue>();
    // start the audio capture
    audioThread = new Thread(this);
    audioThread.start();
    updatePreview();
}

项目：Tuntuni 文件：MicrophoneAudio.java

@Override
public void start() {
    try {
        // start target line
        mTargetInfo = new DataLine.Info(
                TargetDataLine.class, VideoFormat.getAudioFormat());
        mTargetLine = (TargetDataLine) AudioSystem.getLine(mTargetInfo);
        mTargetLine.open(VideoFormat.getAudioFormat());
        // start audio thread
        mAudioThread = new Thread(this);
        mAudioThread.setDaemon(true);
        mAudioThread.start();
    } catch (LineUnavailableException ex) {
        Logs.error(getClass(), "Failed to open. {0}", ex);
    }
}