Java LineUnavailableException類代碼示例

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
private static void init() {
	try {
		// 44,100 samples per second, 16-bit audio, mono, signed PCM, little
		// Endian
		AudioFormat format = new AudioFormat((float) SAMPLE_RATE, BITS_PER_SAMPLE, 1, true, false);
		DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);

		line = (SourceDataLine) AudioSystem.getLine(info);
		line.open(format, SAMPLE_BUFFER_SIZE * BYTES_PER_SAMPLE);

		// the internal buffer is a fraction of the actual buffer size, this
		// choice is arbitrary
		// it gets divided because we can't expect the buffered data to line
		// up exactly with when
		// the sound card decides to push out its samples.
		buffer = new byte[SAMPLE_BUFFER_SIZE * BYTES_PER_SAMPLE / 3];
	} catch (LineUnavailableException e) {
		System.out.println(e.getMessage());
	}

	// no sound gets made before this call
	line.start();
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
/**
 * 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;
	
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
@Override
public void start() {
    if (line != null) {
        LOG.debug("Sound already started");
        return;
    }
    LOG.debug("Start sound");
    try {
        line = AudioSystem.getSourceDataLine(FORMAT);
        line.open(FORMAT, BUFFER_SIZE);
    } catch (LineUnavailableException e) {
        throw new RuntimeException(e);
    }
    line.start();
    buffer = new byte[line.getBufferSize()];
    divider = (int) (Gameboy.TICKS_PER_SEC / FORMAT.getSampleRate());
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
public static void main(String[] args) throws IOException, LineUnavailableException {
	File folder=new File("/home/rizsi/tmp/video");
	byte[] data=UtilFile.loadFile(new File(folder, "remote.sw"));
	byte[] data2=UtilFile.loadFile(new File(folder, "local.sw"));
	System.out.println("remote.sw max: "+measureMax(data));
	System.out.println("local.sw max: "+measureMax(data2));
	byte[] data3=sum(data, data2);
	UtilFile.saveAsFile(new File(folder, "rawmic.sw"), data3);
	AudioFormat format=ManualTestEchoCancel.getFormat();
	final Mixer mixer = AudioSystem.getMixer(null);
	Play p=new Play(mixer, format, ManualTestEchoCancel.frameSamples)
	{
		@Override
		protected void switchBuffer() {
			if(getSample()==data)
			{
				setSample(data2);
			}else if(getSample()==data2)
			{
				setSample(data3);
			}
		}
	};
	p.start();
	p.setSample(data);
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
/**
 * Play a sound at a given frequency freq during duration (in seconds) with volume as strenght
 * <br/><br/>
 * <code>SoundGenerator.playSound(440.0,1.0,0.5,SoundGenerator.FADE_LINEAR,SoundGenerator.WAVE_SIN);</code><br/>
 * Available fades : FADE_NONE, FADE_LINEAR, FADE_QUADRATIC<br/>
 * Available waves : WAVE_SIN, WAVE_SQUARE, WAVE_TRIANGLE, WAVE_SAWTOOTH<br/>
 */
public static void playSound(double freq,double duration,double volume,byte fade,byte wave){
	
	double[] soundData = generateSoundData(freq,duration,volume,fade,wave);
	byte[] freqdata = new byte[soundData.length];
	
	for(int i = 0;i < soundData.length;i++) {
		freqdata[i] = (byte)soundData[i];
	}
		
	// Play it
	try {
		final AudioFormat af = new AudioFormat(SAMPLE_RATE, 8, 1, true, true);
		SourceDataLine line = AudioSystem.getSourceDataLine(af);
		line.open(af, SAMPLE_RATE);
		line.start();
		line.write(freqdata, 0, freqdata.length);
	    line.drain();
	    line.close();
	}catch(LineUnavailableException e) {
		e.printStackTrace();
	}
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
public void restartSDL(){
	AudioFormat form = new AudioFormat(sys.getSampleRate(),16,2,true,false);

	bufptr=0;
	audioints = new int[(int)((sys.getSampleRate()/1000.0)*sys.getBufferSize())*2];
	if(scope!=null)
		scope.setAudio(audioints);
	audiobuffer = new byte[audioints.length*2];
	try {
		if(sdl!=null)
			sdl.close();
		sdl = AudioSystem.getSourceDataLine(form);
		sdl.open(form,audiobuffer.length*3);
		sdl.start();
	} catch (LineUnavailableException e) {
		e.printStackTrace();
	}
	
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
/** 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);

    }
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
/**
 * Picks a player to attack
 */
public void attack()
{
	Player weakest = null;

	for (Entity e : getLevel().getEntities())
		if (e.isActive() && e instanceof Player)
			if (!getLevel().isThroughWall(getLocation(), e.getLocation()))
			{
				Player p = (Player) e;
				if (weakest == null || p.getHealth() < weakest.getHealth())
					weakest = p;
			}

	weakest.takeDamage(75);

	try
	{
		SoundStuff cam = new SoundStuff();
		cam.AWP();
	}
	catch (UnsupportedAudioFileException | IOException | LineUnavailableException e1)
	{
		e1.printStackTrace();
	}
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
private void loadClip() {
	try {
		clip = AudioSystem.getClip();
		
		InputStream in = getClass().getClassLoader().getResourceAsStream(filePath);
		BufferedInputStream bufferedIn = new BufferedInputStream(in);
		AudioInputStream audioIn = AudioSystem.getAudioInputStream(bufferedIn);
		
		clip.open(audioIn);
		
		
		volume = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
	} catch (LineUnavailableException | UnsupportedAudioFileException | IOException e) {
		e.printStackTrace();
		System.exit(-1);
	}
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
void implOpen() throws LineUnavailableException {
    if (Printer.trace) Printer.trace(">> PortMixerPort: implOpen().");
    long newID = ((PortMixer) mixer).getID();
    if ((id == 0) || (newID != id) || (controls.length == 0)) {
        id = newID;
        Vector vector = new Vector();
        synchronized (vector) {
            nGetControls(id, portIndex, vector);
            controls = new Control[vector.size()];
            for (int i = 0; i < controls.length; i++) {
                controls[i] = (Control) vector.elementAt(i);
            }
        }
    } else {
        enableControls(controls, true);
    }
    if (Printer.trace) Printer.trace("<< PortMixerPort: implOpen() succeeded");
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
public void open() throws LineUnavailableException {
    synchronized (mixer) {
        // if the line is not currently open, try to open it with this format and buffer size
        if (!isOpen()) {
            if (Printer.trace) Printer.trace("> PortMixerPort: open");
            // reserve mixer resources for this line
            mixer.open(this);
            try {
                // open the line.  may throw LineUnavailableException.
                implOpen();

                // if we succeeded, set the open state to true and send events
                setOpen(true);
            } catch (LineUnavailableException e) {
                // release mixer resources for this line and then throw the exception
                mixer.close(this);
                throw e;
            }
            if (Printer.trace) Printer.trace("< PortMixerPort: open succeeded");
        }
    }
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
public void run () {
    //create a separate thread for recording
    Thread recordThread = new Thread(new Runnable() {
         @Override
         public void run() {
             try {
                 System.out.println("Start recording...");
                 recorder.start();
             } catch (LineUnavailableException ex) {
                 ex.printStackTrace();
                 System.exit(-1);
             }
         }
     });
     recordThread.start();
    //  try {
    //      Thread.sleep(RECORD_TIME);
    //  } catch (InterruptedException ex) {
    //      ex.printStackTrace();
    //  }
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
public static void main(String[] args) throws Exception {
    Mixer.Info[] infos = AudioSystem.getMixerInfo();
    log("" + infos.length + " mixers detected");
    for (int i=0; i<infos.length; i++) {
        Mixer mixer = AudioSystem.getMixer(infos[i]);
        log("Mixer " + (i+1) + ": " + infos[i]);
        try {
            mixer.open();
            for (Scenario scenario: scenarios) {
                testSDL(mixer, scenario);
                testTDL(mixer, scenario);
            }
            mixer.close();
        } catch (LineUnavailableException ex) {
            log("LineUnavailableException: " + ex);
        }
    }
    if (failed == 0) {
        log("PASSED (" + total + " tests)");
    } else {
        log("FAILED (" + failed + " of " + total + " tests)");
        throw new Exception("Test FAILED");
    }
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
@Override
public Line getLine(Line.Info info) throws LineUnavailableException {

    if (!isLineSupported(info))
        throw new IllegalArgumentException("Line unsupported: " + info);

    if ((info.getLineClass() == SourceDataLine.class)) {
        return new SoftMixingSourceDataLine(this, (DataLine.Info) info);
    }
    if ((info.getLineClass() == Clip.class)) {
        return new SoftMixingClip(this, (DataLine.Info) info);
    }

    throw new IllegalArgumentException("Line unsupported: " + info);
}
 

import javax.sound.sampled.LineUnavailableException; //導入依賴的package包/類
/**
 * This method allows you to stream a continuous stream of data to the API.
 * <p>
 * Note: This feature is experimental.
 * </p>
 * 
 * @param tl
 *            TL
 * @param af
 *            AF
 * @throws LineUnavailableException
 *             If the Line is unavailable
 * @throws InterruptedException
 *             InterruptedException
 */
public void recognize(TargetDataLine tl , AudioFormat af) throws LineUnavailableException , InterruptedException {
	//Generates a unique ID for the response. 
	final long PAIR = MIN + (long) ( Math.random() * ( ( MAX - MIN ) + 1L ) );
	
	//Generates the Downstream URL
	final String API_DOWN_URL = GOOGLE_DUPLEX_SPEECH_BASE + "down?maxresults=1&pair=" + PAIR;
	
	//Generates the Upstream URL
	final String API_UP_URL = GOOGLE_DUPLEX_SPEECH_BASE + "up?lang=" + language + "&lm=dictation&client=chromium&pair=" + PAIR + "&key=" + API_KEY
			+ "&continuous=true&interim=true"; //Tells Google to constantly monitor the stream;
	
	//Opens downChannel
	Thread downChannel = this.downChannel(API_DOWN_URL);
	
	//Opens upChannel
	Thread upChannel = this.upChannel(API_UP_URL, tl, af);
	try {
		downChannel.join();
		upChannel.interrupt();
		upChannel.join();
	} catch (InterruptedException e) {
		downChannel.interrupt();
		downChannel.join();
		upChannel.interrupt();
		upChannel.join();
	}
	
}