javax.sound.sampled.Mixer.getLine()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中javax.sound.sampled.Mixer.getLine()方法的一些代码示例，展示了Mixer.getLine()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Mixer.getLine()方法的具体详情如下：
包路径：javax.sound.sampled.Mixer
类名称：Mixer
方法名：getLine

Mixer.getLine介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

Mixer.Info[] mixerInfos = AudioSystem.getMixerInfo();
for (Mixer.Info info: mixerInfos){
Mixer m = AudioSystem.getMixer(info);
Line.Info[] lineInfos = m.getSourceLineInfo();
for (Line.Info lineInfo:lineInfos){
 System.out.println (info.getName()+"---"+lineInfo);
 Line line = m.getLine(lineInfo);
 System.out.println("\t-----"+line);
}
lineInfos = m.getTargetLineInfo();
for (Line.Info lineInfo:lineInfos){
 System.out.println (m+"---"+lineInfo);
 Line line = m.getLine(lineInfo);
 System.out.println("\t-----"+line);
}
}

代码示例来源：origin: marytts/marytts

/**
 * Try to get a line for output to the speaker. The line is not yet opened with a specific format.
 * 
 * @return a line object, or null if the line could not be created.
 */
public SourceDataLine getSpeakerOutputLine() {
  Object audioDescriptor = cbSpeakerOutput.getSelectedItem();
  assert audioDescriptor instanceof Mixer.Info;
  Mixer.Info mixerInfo = (Mixer.Info) audioDescriptor;
  Mixer mixer = AudioSystem.getMixer(mixerInfo);
  Line.Info[] lineInfos = mixer.getSourceLineInfo();
  assert lineInfos.length > 0 : "Strange, there are no more source lines for mixer: " + mixer;
  Line.Info lineInfo = lineInfos[0];
  SourceDataLine line = null;
  try {
    line = (SourceDataLine) mixer.getLine(lineInfo);
  } catch (LineUnavailableException e) {
    e.printStackTrace();
  }
  return line;
}

代码示例来源：origin: marytts/marytts

/**
 * Try to get a line for output to the expert. The line is not yet opened with a specific format.
 * 
 * @return a line object, or null if the line could not be created.
 */
public SourceDataLine getExpertOutputLine() {
  Object audioDescriptor = cbExpertOutput.getSelectedItem();
  assert audioDescriptor instanceof Mixer.Info;
  Mixer.Info mixerInfo = (Mixer.Info) audioDescriptor;
  Mixer mixer = AudioSystem.getMixer(mixerInfo);
  Line.Info[] lineInfos = mixer.getSourceLineInfo();
  assert lineInfos.length > 0 : "Strange, there are no more source lines for mixer: " + mixer;
  Line.Info lineInfo = lineInfos[0];
  SourceDataLine line = null;
  try {
    line = (SourceDataLine) mixer.getLine(lineInfo);
  } catch (LineUnavailableException e) {
    e.printStackTrace();
  }
  return line;
}

代码示例来源：origin: cmusphinx/sphinx4

audioLine = (TargetDataLine) AudioSystem.getLine(info);
} else {
  audioLine = (TargetDataLine) selectedMixer.getLine(info);

代码示例来源：origin: marytts/marytts

targetDataLine = (TargetDataLine) mixer.getLine(info);
} else {
  if (DEBUG) {

代码示例来源：origin: marytts/marytts

assert lineInfos.length > 0 : "Strange, there is no more line info for mixer: " + mixer;
  Line.Info lineInfo = lineInfos[0];
  targetDataLine = (TargetDataLine) mixer.getLine(lineInfo);
} else {
  assert ((String) audioDescriptor).equals("AudioSystem");

代码示例来源：origin: marytts/marytts

targetDataLine = (TargetDataLine) mixer.getLine(info);
} else {
  if (DEBUG) {

代码示例来源：origin: marytts/marytts

targetDataLine = (TargetDataLine) mixer.getLine(info);
} else {
  if (DEBUG) {

代码示例来源：origin: marytts/marytts

targetDataLine = (TargetDataLine) mixer.getLine(info);
} else {
  if (DEBUG) {

代码示例来源：origin: magefree/mage

public LinePool(AudioFormat audioFormat, int size, int alwaysActive) {
  this.alwaysActive = alwaysActive;
  mixer = AudioSystem.getMixer(null);
  DataLine.Info lineInfo = new DataLine.Info(SourceDataLine.class, audioFormat);
  for (int i = 0; i < size; i++) {
    try {
      SourceDataLine line = (SourceDataLine) mixer.getLine(lineInfo);
      freeLines.add(line);
    } catch (LineUnavailableException e) {
      log.warn("Failed to get line from mixer", e);
    }
  }
  new Timer("Line cleanup", true).scheduleAtFixedRate(new TimerTask() {
    @Override
    public void run() {
      synchronized (LinePool.this) {
        for (SourceDataLine sourceDataLine : freeLines) {
          if (sourceDataLine.isOpen()) {
            sourceDataLine.close();
            log.debug("Closed line {}", sourceDataLine);
          }
        }
      }
    }
  }, LINE_CLEANUP_INTERVAL, LINE_CLEANUP_INTERVAL);
}

代码示例来源：origin: stackoverflow.com

System.out.println("  Line.Info: " + lineInfo);
try {
  Line line = mixer.getLine(lineInfo);
  FloatControl volCtrl = (FloatControl)line.getControl(
      FloatControl.Type.MASTER_GAIN);

代码示例来源：origin: stackoverflow.com

Mixer.Info[] mixerInfo = AudioSystem.getMixerInfo();
// Look through and select a mixer here, different mixers should be different inputs
int selectedMixerIndex = 0;
Mixer mixer = AudioSystem.getMixer(mixerInfo[ selectedMixerIndex ]);
TargetDataLine line = (TargetDataLine) mixer.getLine(dataLineInfo);

代码示例来源：origin: stackoverflow.com

DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
Mixer mixer = AudioSystem.getMixer(mixerinfo);
return (TargetDataLine) mixer.getLine(info);

代码示例来源：origin: stackoverflow.com

Port lineIn;
FloatControl volCtrl;
try {
 Mixer mixer = AudioSystem.getMixer(null);
 lineIn = (Port)mixer.getLine(Port.Info.LINE_IN);
 lineIn.open();
 volCtrl = (FloatControl) lineIn.getControl(

 FloatControl.Type.VOLUME);

 // Assuming getControl call succeeds, 
 // we now have our LINE_IN VOLUME control.
} catch (Exception e) {
 System.out.println("Failed trying to find LINE_IN"
  + " VOLUME control: exception = " + e);
}

代码示例来源：origin: IanWraith/DMRDecode

/**
 * Gets a data line for the specified mixer
 * @param mix
 * @return
 */
public Line getDataLineForMixer(){
  TargetDataLine line = null;
  try {
    line = (TargetDataLine) this.mixer.getLine(getDataLineInfo());
  } catch (LineUnavailableException e) {
    System.out.println("Error getting mix line:" + e.getMessage());
  }
  
  return line;
}

代码示例来源：origin: net.sf.phat/phat-audio

private SourceDataLine getSourceDataLine(DataLine.Info dataLineInfo) {
  SourceDataLine sdl = null;
  for (Mixer.Info mi : AudioSystem.getMixerInfo()) {
    Mixer m = AudioSystem.getMixer(mi);
    if (m.isLineSupported(dataLineInfo)) {
      try {
        Line line = m.getLine(dataLineInfo);
        if (line instanceof SourceDataLine) {
          Logger.getLogger(
              PCSpeaker.class.getName()).log(Level.INFO, "Mixer={0}", m.getMixerInfo().getName());
          sdl = (SourceDataLine) line;
          break;
        }
      } catch (LineUnavailableException ex) {
        Logger.getLogger(PCSpeaker.class.getName()).log(Level.SEVERE, null, ex);
      }
    }
  }
  return sdl;
}

代码示例来源：origin: robo-code/robocode

private void mixerComboBoxActionPerformed() {
  Mixer mixer = AudioSystem.getMixer((Mixer.Info) mixerComboBox.getSelectedItem());
  Line.Info lineInfo = mixer.getSourceLineInfo(new Line.Info(Clip.class))[0];
  boolean volumeSupported;
  boolean panSupported;
  try {
    Line line = mixer.getLine(lineInfo);
    volumeSupported = line.isControlSupported(FloatControl.Type.MASTER_GAIN);
    panSupported = line.isControlSupported(FloatControl.Type.PAN);
  } catch (LineUnavailableException e) {
    volumeSupported = false;
    panSupported = false;
  }
  enableMixerVolumeCheckBox.setEnabled(volumeSupported);
  enableMixerPanCheckBox.setEnabled(panSupported);
}

代码示例来源：origin: robo-code/robocode

private ClipClones(Mixer mixer, SoundData soundData, int size) throws LineUnavailableException {
  idx = 0;
  clips = new Clip[size];
  DataLine.Info info = new DataLine.Info(Clip.class, soundData.format);
  if (!AudioSystem.isLineSupported(info)) {
    throw new LineUnavailableException("Required data line is not supported by the audio system");
  }
  for (int i = 0; i < size; i++) {
    clips[i] = (Clip) mixer.getLine(info);
    clips[i].open(soundData.format, soundData.byteData, 0, soundData.length);
  }
}

代码示例来源：origin: stackoverflow.com

int duration = 5; // sample for 5 seconds
 TargetDataLine line = null;
 // find a DataLine that can be read
 // (maybe hardcode this if you have multiple microphones)
 Info[] mixerInfo = AudioSystem.getMixerInfo();
 for (int i = 0; i < mixerInfo.length; i++) {
   Mixer mixer = AudioSystem.getMixer(mixerInfo[i]);
   Line.Info[] targetLineInfo = mixer.getTargetLineInfo();
   if (targetLineInfo.length > 0) {
     line = (TargetDataLine) mixer.getLine(targetLineInfo[0]);
     break;
   }
 }
 if (line == null)
   throw new UnsupportedOperationException("No recording device found");
 AudioFormat af = new AudioFormat(11000, 8, 1, true, false);
 line.open(af);
 line.start();
 ByteArrayOutputStream baos = new ByteArrayOutputStream();
 byte[] buf = new byte[(int)af.getSampleRate() * af.getFrameSize()];
 long end = System.currentTimeMillis() + 1000 * duration;
 int len;
 while (System.currentTimeMillis() < end && ((len = line.read(buf, 0, buf.length)) != -1)) {
   baos.write(buf, 0, len);
 }
 line.stop();
 line.close();
 baos.close();

代码示例来源：origin: ddf/Minim

line = (TargetDataLine)inputMixer.getLine(info);

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