Java Mixer.getLine方法代碼示例

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
private static void doMixerClip(Mixer mixer, AudioFormat format) {
    if (mixer==null) return;
    try {
        System.out.println("Clip from mixer "+mixer+":");
        System.out.println("   "+mixer.getMixerInfo());
            DataLine.Info info = new DataLine.Info(
                                      Clip.class,
                                      format);

        if (mixer.isLineSupported(info)) {
            Clip clip = (Clip) mixer.getLine(info);
            doLine1(clip, format);
        } else {
            System.out.println("  - Line not supported");
        }
    } catch (Throwable t) {
        System.out.println("  - Caught exception. Not failed.");
        System.out.println("  - "+t.toString());
    }
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
private static void doMixerSDL(Mixer mixer, AudioFormat format) {
    if (mixer==null) return;
    try {
        System.out.println("SDL from mixer "+mixer+":");
            DataLine.Info info = new DataLine.Info(
                                      SourceDataLine.class,
                                      format);

        if (mixer.isLineSupported(info)) {
            SourceDataLine sdl = (SourceDataLine) mixer.getLine(info);
            doLine1(sdl, format);
            doLine2(sdl, format);
        } else {
            System.out.println("  - Line not supported");
        }
    } catch (Throwable t) {
        System.out.println("  - Caught exception. Not failed.");
        System.out.println("  - "+t.toString());
    }
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
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());
    }
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
	AbstractRcomArgs a=new AbstractRcomArgs();
	UtilCli.parse(a, args, true);
	File folder=new File("/home/rizsi/tmp/video");
	byte[] data=UtilFile.loadFile(new File(folder, "remote.sw"));
	AudioFormat format=ManualTestEchoCancel.getFormat();
	final Mixer mixer = AudioSystem.getMixer(null);
	DataLine.Info info2= new DataLine.Info(SourceDataLine.class, format);
	SourceDataLine s=(SourceDataLine) mixer.getLine(info2);
	s.open(format, framesamples*2);
	s.start();
	try(LoopInputStream lis=new LoopInputStream(data))
	{
		try(JitterResampler rs=new JitterResampler(a, 8000, framesamples, 2))
		{
			new FeedThread(lis, rs).start();
			final byte[] buffer=new byte[framesamples*2];;
			while(true)
			{
				rs.readOutput(buffer);
				s.write(buffer, 0, buffer.length);
			}
		}
	}
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
void getAudioInfo (){

        Mixer.Info[] mixerInfos = AudioSystem.getMixerInfo();
        log.info(mixerInfos.length + " mixers");
        for ( int i = 0 ; i < mixerInfos.length ; i++ ){

            Mixer mixer = AudioSystem.getMixer(mixerInfos[i]);
            System.out.println("Mixer " + mixer);
            // target data lines
            Line.Info[] lineInfos = mixer.getTargetLineInfo();
            System.out.println("\t" + lineInfos.length + " lineInfos");
            for ( int j = 0 ; j < lineInfos.length ; j++ ){
                if ( lineInfos[j] instanceof DataLine.Info ){
                    AudioFormat[] formats = ( (DataLine.Info)lineInfos[j] ).getFormats();
                    System.out.println("\t\t\t" + formats.length + " formats");
                    for ( int k = 0 ; k < formats.length ; k++ ){
                        System.out.println("\t\tFormat " + formats[k]);
                    }
                }
                Line line = null;
                try{
                    line = mixer.getLine(lineInfos[j]);
                    System.out.println("\tLine " + line);
                } catch ( LineUnavailableException e ){
                    e.printStackTrace();
                }
            }
        }
    }
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
private static void doMixerClip(Mixer mixer) throws Exception {
    boolean waitedEnough=false;
    try {
        DataLine.Info info = new DataLine.Info(Clip.class, format);
        Clip clip = (Clip) mixer.getLine(info);
        clip.open(format, soundData, 0, soundData.length);

        // sanity
        if (clip.getMicrosecondLength()/1000 < 9900) {
            throw new Exception("clip's microsecond length should be at least 9900000, but it is "+clip.getMicrosecondLength());
        }
        long start = System.currentTimeMillis();

        System.out.println(" ---------- start --------");
        clip.start();
        // give time to actually start it. ALSA implementation needs that...
        Thread.sleep(300);
        System.out.println("drain ... ");
        clip.drain();
        long elapsedTime = System.currentTimeMillis() - start;
        System.out.println("close ... ");
        clip.close();
        System.out.println("... done");
        System.out.println("Playback duration: "+elapsedTime+" milliseconds.");
        waitedEnough = elapsedTime >= ((clip.getMicrosecondLength() / 1000) - TOLERANCE_MS);
    } catch (Throwable t) {
            System.out.println("  - Caught exception. Not failed.");
            System.out.println("  - "+t.toString());
            return;
    }
    if (!waitedEnough) {
        throw new Exception("Drain did not wait long enough to play entire clip.");
    }
    successfulTests++;
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
private static boolean doMixerClip(Mixer mixer, AudioFormat format) {
    if (mixer==null) return false;
    try {
        System.out.println("Trying mixer "+mixer+":");
            DataLine.Info info = new DataLine.Info(
                                      Clip.class,
                                      format,
                                      (int) samplerate);

            Clip clip = (Clip) mixer.getLine(info);
        System.out.println("  - got clip: "+clip);
        System.out.println("  - open with format "+format);
        clip.open(format, buffer, 0, buffer.length);
        System.out.println("  - playing...");
        clip.start();
        System.out.println("  - waiting while it's active...");
        while (clip.isActive())
                Thread.sleep(100);
        System.out.println("  - waiting 100millis");
        Thread.sleep(100);
        System.out.println("  - drain1");
        clip.drain();
        System.out.println("  - drain2");
        clip.drain();
        System.out.println("  - stop");
        clip.stop();
        System.out.println("  - close");
        clip.close();
        System.out.println("  - closed");
    } catch (Throwable t) {
        System.out.println("  - Caught exception. Not failed.");
        System.out.println("  - "+t.toString());
        return false;
    }
    return true;
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
private static boolean doMixerSDL(Mixer mixer, AudioFormat format) {
    if (mixer==null) return false;
    try {
        System.out.println("Trying mixer "+mixer+":");
            DataLine.Info info = new DataLine.Info(
                                      SourceDataLine.class,
                                      format,
                                      (int) samplerate);

            SourceDataLine sdl = (SourceDataLine) mixer.getLine(info);
        System.out.println("  - got sdl: "+sdl);
        System.out.println("  - open with format "+format);
        sdl.open(format);
        System.out.println("  - start...");
        sdl.start();
        System.out.println("  - write...");
        sdl.write(buffer, 0, buffer.length);
        Thread.sleep(200);
        System.out.println("  - drain...");
        sdl.drain();
        System.out.println("  - stop...");
        sdl.stop();
        System.out.println("  - close...");
        sdl.close();
        System.out.println("  - closed");
    } catch (Throwable t) {
        System.out.println("  - Caught exception. Not failed.");
        System.out.println("  - "+t.toString());
        return false;
    }
    return true;
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void main(String argv[]) throws Exception {
    boolean success = true;

    Mixer.Info [] infos = AudioSystem.getMixerInfo();

    for (int i=0; i<infos.length; i++) {
        Mixer mixer = AudioSystem.getMixer(infos[i]);
        System.out.println("Mixer is: " + mixer);
        Line.Info [] target_line_infos = mixer.getTargetLineInfo();
        for (int j = 0; j < target_line_infos.length; j++) {
            try {
                System.out.println("Trying to get:" + target_line_infos[j]);
                mixer.getLine(target_line_infos[j]);
            } catch (IllegalArgumentException iae) {
                System.out.println("Unexpected IllegalArgumentException raised:");
                iae.printStackTrace();
                success = false;
            } catch (LineUnavailableException lue) {
                System.out.println("Unexpected LineUnavailableException raised:");
                lue.printStackTrace();
                success = false;
            }
        }
    }
    if (success) {
        System.out.println("Test passed");
    } else {
        throw new Exception("Test FAILED");
    }
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public Mic(Mixer mixer, AudioFormat format, int frameSamples) throws LineUnavailableException {
	super();
	DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
	t=(TargetDataLine) mixer.getLine(info);
	t.open(format, frameSamples*2);
	System.out.println("Bytebuffer t: "+t.getBufferSize());
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
		AbstractRcomArgs a=new AbstractRcomArgs();
		UtilCli.parse(a, args, true);
		File folder=new File("/home/rizsi/tmp/video");
		byte[] data=UtilFile.loadFile(new File(folder, "remote.sw"));
		AudioFormat format=ManualTestEchoCancel.getFormat();
		final Mixer mixer = AudioSystem.getMixer(null);
		DataLine.Info info2= new DataLine.Info(SourceDataLine.class, format);
		SourceDataLine s=(SourceDataLine) mixer.getLine(info2);
		s.open(format, framesamples*2);
		s.start();
		try(LoopInputStream lis=new LoopInputStream(data))
		{
			try(SpeexResampler resampler=new SpeexResampler(a, framesamples, new ResampledReceiver(s)))
			{
				final byte[] buffer=new byte[framesamples*2];;
				while(true)
				{
					UtilStream.readFully(buffer, lis, buffer.length);
					feed(resampler, buffer);
				}
			}
//			byte[] buffer=new byte[framesamples*2];
//			while(true)
//			{
//				UtilStream.readFully(buffer, resampled, buffer.length);
//			}
		}
	}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void play(Mixer mixer) {
    int res = 0;
    try {
        println("Getting clip from mixer...");
        source = (Clip) mixer.getLine(info);
        println("Opening clip...");
        source.open(audioFormat, audioData, 0, audioData.length);
        println("Starting clip...");
        source.loop(Clip.LOOP_CONTINUOUSLY);
        println("Now open your ears:");
        println("- if you hear a sine wave playing,");
        println("  listen carefully if you can hear clicks.");
        println("  If no, the bug is fixed.");
        println("- if you don't hear anything, it's possible");
        println("  that this mixer is not connected to an ");
        println("  amplifier, or that its volume is set to 0");
        key();
    } catch (IllegalArgumentException iae) {
        println("IllegalArgumentException: "+iae.getMessage());
        println("Sound device cannot handle this audio format.");
        println("ERROR: Test environment not correctly set up.");
        if (source!=null) {
            source.close();
            source = null;
        }
        return;
    } catch (LineUnavailableException lue) {
        println("LineUnavailableException: "+lue.getMessage());
        println("This is normal for some mixers.");
    } catch (Exception e) {
        println("Unexpected Exception: "+e.toString());
    }
    if (source != null) {
        println("Stopping...");
        source.stop();
        println("Closing...");
        source.close();
        println("Closed.");
        source = null;
    }
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void main(String[] args) throws Exception {
    Mixer.Info[] mixers = AudioSystem.getMixerInfo();
    int succMixers = 0;
    println("Using formats: ");
    for (int i = 0 ; i<formats.length; i++) {
            println(""+(i+1)+". "+formats[i]);
    }
    for (int i=0; i<mixers.length; i++) {
        boolean succ = false;
        try {
            Mixer mixer = AudioSystem.getMixer(mixers[i]);
            println("Mixer "+mixer.getMixerInfo()+":");
            if (mixer.isLineSupported(clipInfo)) {
                println("Getting clip from mixer...");
                Clip clip = (Clip) mixer.getLine(clipInfo);
                succ = true;
                test(clip);
            }
            if (mixer.isLineSupported(sdlInfo)) {
                println("Getting source data line from mixer...");
                SourceDataLine sdl = (SourceDataLine) mixer.getLine(sdlInfo);
                succ = true;
                test(sdl);
            }
            if (mixer.isLineSupported(tdlInfo)) {
                println("Getting target data line from mixer...");
                TargetDataLine tdl = (TargetDataLine) mixer.getLine(tdlInfo);
                succ = true;
                test(tdl);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        if (succ) {
            succMixers++;
        }
    }
    if (succMixers == 0) {
        println("No mixers available! ");
        println("Cannot run test. NOT FAILED");
    }
    else if (failed) {
        throw new Exception("Test FAILED");
    }
    println("Test passed.");
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void play(Mixer mixer) {
    int res = 0;
    try {
        println("Getting SDL from mixer...");
        source = (SourceDataLine) mixer.getLine(info);
        println("Opening SDL...");
        source.open(audioFormat);
        println("Writing data to SDL...");
        source.write(audioData, 0, audioData.length);
        println("Starting SDL...");
        source.start();
        println("Now open your ears:");
        println("You should have heard a short tone,");
        println("followed by silence (no repeating tones).");
        key();
        source.write(audioData, 0, audioData.length);
        println("Now you should have heard another short tone.");
        println("If you did not hear a second tone, or more than 2 tones,");
        println("the test is FAILED.");
        println("otherwise, if you heard a total of 2 tones, the bug is fixed.");
        key();
    } catch (IllegalArgumentException iae) {
        println("IllegalArgumentException: "+iae.getMessage());
        println("Sound device cannot handle this audio format.");
        println("ERROR: Test environment not correctly set up.");
        if (source!=null) {
            source.close();
            source = null;
        }
        return;
    } catch (LineUnavailableException lue) {
        println("LineUnavailableException: "+lue.getMessage());
        println("This is normal for some mixers.");
    } catch (Exception e) {
        println("Unexpected Exception: "+e.toString());
    }
    if (source != null) {
        println("Stopping...");
        source.stop();
        println("Closing...");
        source.close();
        println("Closed.");
        source = null;
    }
}
 

import javax.sound.sampled.Mixer; //導入方法依賴的package包/類
public static void play(Mixer mixer) {
    int res = 0;
    try {
        println("Getting SDL from mixer...");
        source = (SourceDataLine) mixer.getLine(info);
        println("Opening SDL...");
        source.open(audioFormat);
        println("Writing data to SDL...");
        source.write(audioData, 0, audioData.length);
        println("Starting SDL...");
        source.start();
        println("Now open your ears:");
        println("- you should have heard a short tone,");
        println("  followed by silence.");
        println("- if after a while you hear repeated tones,");
        println("  the bug is NOT fixed.");
        println("- if the program remains silent after the ");
        println("  initial tone, the bug is fixed.");
        key();
    } catch (IllegalArgumentException iae) {
        println("IllegalArgumentException: "+iae.getMessage());
        println("Sound device cannot handle this audio format.");
        println("ERROR: Test environment not correctly set up.");
        if (source!=null) {
            source.close();
            source = null;
        }
        return;
    } catch (LineUnavailableException lue) {
        println("LineUnavailableException: "+lue.getMessage());
        println("This is normal for some mixers.");
    } catch (Exception e) {
        println("Unexpected Exception: "+e.toString());
    }
    if (source != null) {
        println("Stopping...");
        source.stop();
        println("Closing...");
        source.close();
        println("Closed.");
        source = null;
    }
}