Do Audio Capture : Media « 2D Graphics GUI « Java

Do Audio Capture


Java Media APIs: Cross-Platform Imaging, Media and Visualization
Alejandro Terrazas
Sams, Published November 2002, 
ISBN 0672320940


public class DoAudioCapture {

  public static void main(String[] args) {

    Location2Location capture;
    CaptureDeviceInfo audioDevice;
    MediaLocator audioLocation;
    MediaLocator destination;

    audioDevice = CaptureDeviceManager.getDevice("DirectSoundCapture");
    audioLocation = audioDevice.getLocator();

    Format[] format = new Format[1];
    format[0] = new AudioFormat(AudioFormat.LINEAR);
    ContentDescriptor container = new ContentDescriptor(
    destination = new MediaLocator(

    capture = new Location2Location(audioLocation, destination, format,
        container, 1.0);
    System.out.println("Started recording...");
    capture.setStopTime(new Time(10.0));
    int waited = capture.transfer(35000);

    int state = capture.getState();
    System.out.println("Waited " + waited + " milliseconds. State now "
        + state);

    waited /= 1000;
    while (state != Location2Location.FINISHED
        && state != Location2Location.FAILED) {
      try {
      } catch (InterruptedException ie) {
      System.out.println("Waited another 10 seconds, state = "
          + capture.getState());
      waited += 10;
    System.out.println("Waited a total of " + waited + " seconds");


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