Пример #1
0
  public static Clip loadClip(URL url) {
    Clip clip = null;
    String fnm = "" + url;
    try {
      AudioInputStream stream = AudioSystem.getAudioInputStream(url);
      AudioFormat format = stream.getFormat();

      if ((format.getEncoding() == AudioFormat.Encoding.ULAW)
          || (format.getEncoding() == AudioFormat.Encoding.ALAW)) {
        AudioFormat newFormat =
            new AudioFormat(
                AudioFormat.Encoding.PCM_SIGNED,
                format.getSampleRate(),
                format.getSampleSizeInBits() * 2,
                format.getChannels(),
                format.getFrameSize() * 2,
                format.getFrameRate(),
                true); // big endian
        stream = AudioSystem.getAudioInputStream(newFormat, stream);
        // System.out.println("Converted Audio format: " + newFormat);
        format = newFormat;
      }

      DataLine.Info info = new DataLine.Info(Clip.class, format);

      // make sure sound system supports data line
      if (!AudioSystem.isLineSupported(info)) {
        System.out.println("Unsupported Clip File: " + fnm);
        return null;
      }
      // get clip line resource
      clip = (Clip) AudioSystem.getLine(info);
      clip.open(stream); // open the sound file as a clip
      stream.close(); // we're done with the input stream
      // duration (in secs) of the clip
      double duration = clip.getMicrosecondLength() / 1000000.0; // new
      if (duration <= 1.0) {
        System.out.println("WARNING. Duration <= 1 sec : " + duration + " secs");
        System.out.println(
            "         The clip in " + fnm + " may not play in J2SE 1.5 -- make it longer");
      }
      // else
      //  System.out.println(fnm + ": Duration: " + duration + " secs");
    } // end of try block
    catch (UnsupportedAudioFileException audioException) {
      System.out.println("Unsupported audio file: " + fnm);
    } catch (LineUnavailableException noLineException) {
      System.out.println("No audio line available for : " + fnm);
    } catch (IOException ioException) {
      System.out.println("Could not read: " + fnm);
    } catch (Exception e) {
      System.out.println("Problem with " + fnm);
    }
    return clip;
  } // end of loadClip()
Пример #2
0
  /**
   * Create preview component.
   *
   * @param type type
   * @param comboBox the options.
   * @param prefSize the preferred size
   * @return the component.
   */
  private static Component createPreview(int type, final JComboBox comboBox, Dimension prefSize) {
    JComponent preview = null;

    if (type == DeviceConfigurationComboBoxModel.AUDIO) {
      Object selectedItem = comboBox.getSelectedItem();

      if (selectedItem instanceof AudioSystem) {
        AudioSystem audioSystem = (AudioSystem) selectedItem;

        if (!NoneAudioSystem.LOCATOR_PROTOCOL.equalsIgnoreCase(audioSystem.getLocatorProtocol())) {
          preview = new TransparentPanel(new GridBagLayout());
          createAudioSystemControls(audioSystem, preview);
        }
      }
    } else if (type == DeviceConfigurationComboBoxModel.VIDEO) {
      JLabel noPreview =
          new JLabel(
              NeomediaActivator.getResources().getI18NString("impl.media.configform.NO_PREVIEW"));

      noPreview.setHorizontalAlignment(SwingConstants.CENTER);
      noPreview.setVerticalAlignment(SwingConstants.CENTER);

      preview = createVideoContainer(noPreview);
      preview.setPreferredSize(prefSize);

      Object selectedItem = comboBox.getSelectedItem();
      CaptureDeviceInfo device = null;
      if (selectedItem instanceof DeviceConfigurationComboBoxModel.CaptureDevice)
        device = ((DeviceConfigurationComboBoxModel.CaptureDevice) selectedItem).info;

      Exception exception;
      try {
        createVideoPreview(device, preview);
        exception = null;
      } catch (IOException ex) {
        exception = ex;
      } catch (MediaException ex) {
        exception = ex;
      }
      if (exception != null) {
        logger.error("Failed to create preview for device " + device, exception);
        device = null;
      }
    }

    return preview;
  }
Пример #3
0
  public boolean load(File file) {

    this.file = file;

    if (file != null && file.isFile()) {
      try {
        errStr = null;
        audioInputStream = AudioSystem.getAudioInputStream(file);

        fileName = file.getName();

        format = audioInputStream.getFormat();

      } catch (Exception ex) {
        reportStatus(ex.toString());
        return false;
      }
    } else {
      reportStatus("Audio file required.");
      return false;
    }

    numChannels = format.getChannels();
    sampleRate = (double) format.getSampleRate();
    sampleBitSize = format.getSampleSizeInBits();
    long frameLength = audioInputStream.getFrameLength();
    long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
    double audioFileDuration = milliseconds / 1000.0;

    if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
    else duration = audioFileDuration;

    frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);

    try {
      audioBytes = new byte[(int) frameLength * format.getFrameSize()];
      audioInputStream.read(audioBytes);
    } catch (Exception ex) {
      reportStatus(ex.toString());
      return false;
    }

    getAudioData();

    return true;
  }
Пример #4
0
  public boolean play() {

    try {
      if (playState != STOPPED) playStop();

      if (audioBytes == null) return false;

      DataLine.Info info = new DataLine.Info(Clip.class, format);

      clip = (Clip) AudioSystem.getLine(info);
      clip.addLineListener(new ClipListener());

      long clipStart = (long) (audioBytes.length * getStartTime() / (getDuration() * 1000.0));
      long clipEnd = (long) (audioBytes.length * getEndTime() / (getDuration() * 1000.0));
      if ((clipEnd - clipStart) > MAX_CLIP_LENGTH) clipEnd = clipStart + MAX_CLIP_LENGTH;
      byte[] clipBytes = new byte[(int) (clipEnd - clipStart)];
      System.arraycopy(audioBytes, (int) clipStart, clipBytes, 0, clipBytes.length);
      clip.open(format, clipBytes, 0, clipBytes.length);

      FloatControl panControl = (FloatControl) clip.getControl(FloatControl.Type.PAN);

      panControl.setValue((float) panSetting / 100.0f);

      double value = (double) gainSetting;

      FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
      float dB = (float) (Math.log(value == 0.0 ? 0.0001 : value) / Math.log(10.0) * 20.0);
      gainControl.setValue(dB);
      double playStartTime = (player.getSeekTime() / 100) * (playGetLength());
      clip.setMicrosecondPosition((long) playStartTime);

      clip.start();

      playState = PLAYING;

      return true;

    } catch (Exception ex) {
      ex.printStackTrace();
      playState = STOPPED;
      clip = null;
      return false;
    }
  }
Пример #5
0
  /**
   * Creates the UI controls which are to control the details of a specific <tt>AudioSystem</tt>.
   *
   * @param audioSystem the <tt>AudioSystem</tt> for which the UI controls to control its details
   *     are to be created
   * @param container the <tt>JComponent</tt> into which the UI controls which are to control the
   *     details of the specified <tt>audioSystem</tt> are to be added
   */
  public static void createAudioSystemControls(AudioSystem audioSystem, JComponent container) {
    GridBagConstraints constraints = new GridBagConstraints();

    constraints.anchor = GridBagConstraints.NORTHWEST;
    constraints.fill = GridBagConstraints.HORIZONTAL;
    constraints.weighty = 0;

    int audioSystemFeatures = audioSystem.getFeatures();
    boolean featureNotifyAndPlaybackDevices =
        ((audioSystemFeatures & AudioSystem.FEATURE_NOTIFY_AND_PLAYBACK_DEVICES) != 0);

    constraints.gridx = 0;
    constraints.insets = new Insets(3, 0, 3, 3);
    constraints.weightx = 0;

    constraints.gridy = 0;
    container.add(
        new JLabel(getLabelText(DeviceConfigurationComboBoxModel.AUDIO_CAPTURE)), constraints);
    if (featureNotifyAndPlaybackDevices) {
      constraints.gridy = 2;
      container.add(
          new JLabel(getLabelText(DeviceConfigurationComboBoxModel.AUDIO_PLAYBACK)), constraints);
      constraints.gridy = 3;
      container.add(
          new JLabel(getLabelText(DeviceConfigurationComboBoxModel.AUDIO_NOTIFY)), constraints);
    }

    constraints.gridx = 1;
    constraints.insets = new Insets(3, 3, 3, 0);
    constraints.weightx = 1;

    JComboBox captureCombo = null;

    if (featureNotifyAndPlaybackDevices) {
      captureCombo = new JComboBox();
      captureCombo.setEditable(false);
      captureCombo.setModel(
          new DeviceConfigurationComboBoxModel(
              captureCombo,
              mediaService.getDeviceConfiguration(),
              DeviceConfigurationComboBoxModel.AUDIO_CAPTURE));
      constraints.gridy = 0;
      container.add(captureCombo, constraints);
    }

    int anchor = constraints.anchor;
    SoundLevelIndicator capturePreview =
        new SoundLevelIndicator(
            SimpleAudioLevelListener.MIN_LEVEL, SimpleAudioLevelListener.MAX_LEVEL);

    constraints.anchor = GridBagConstraints.CENTER;
    constraints.gridy = (captureCombo == null) ? 0 : 1;
    container.add(capturePreview, constraints);
    constraints.anchor = anchor;

    constraints.gridy = GridBagConstraints.RELATIVE;

    if (featureNotifyAndPlaybackDevices) {
      JComboBox playbackCombo = new JComboBox();

      playbackCombo.setEditable(false);
      playbackCombo.setModel(
          new DeviceConfigurationComboBoxModel(
              captureCombo,
              mediaService.getDeviceConfiguration(),
              DeviceConfigurationComboBoxModel.AUDIO_PLAYBACK));
      container.add(playbackCombo, constraints);

      JComboBox notifyCombo = new JComboBox();

      notifyCombo.setEditable(false);
      notifyCombo.setModel(
          new DeviceConfigurationComboBoxModel(
              captureCombo,
              mediaService.getDeviceConfiguration(),
              DeviceConfigurationComboBoxModel.AUDIO_NOTIFY));
      container.add(notifyCombo, constraints);
    }

    if ((AudioSystem.FEATURE_ECHO_CANCELLATION & audioSystemFeatures) != 0) {
      final SIPCommCheckBox echoCancelCheckBox =
          new SIPCommCheckBox(
              NeomediaActivator.getResources().getI18NString("impl.media.configform.ECHOCANCEL"));

      /*
       * First set the selected one, then add the listener in order to
       * avoid saving the value when using the default one and only
       * showing to user without modification.
       */
      echoCancelCheckBox.setSelected(mediaService.getDeviceConfiguration().isEchoCancel());
      echoCancelCheckBox.addItemListener(
          new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
              mediaService.getDeviceConfiguration().setEchoCancel(echoCancelCheckBox.isSelected());
            }
          });
      container.add(echoCancelCheckBox, constraints);
    }

    if ((AudioSystem.FEATURE_DENOISE & audioSystemFeatures) != 0) {
      final SIPCommCheckBox denoiseCheckBox =
          new SIPCommCheckBox(
              NeomediaActivator.getResources().getI18NString("impl.media.configform.DENOISE"));

      /*
       * First set the selected one, then add the listener in order to
       * avoid saving the value when using the default one and only
       * showing to user without modification.
       */
      denoiseCheckBox.setSelected(mediaService.getDeviceConfiguration().isDenoise());
      denoiseCheckBox.addItemListener(
          new ItemListener() {
            public void itemStateChanged(ItemEvent e) {
              mediaService.getDeviceConfiguration().setDenoise(denoiseCheckBox.isSelected());
            }
          });
      container.add(denoiseCheckBox, constraints);
    }

    createAudioPreview(audioSystem, captureCombo, capturePreview);
  }