Esempio n. 1
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;
  }
Esempio n. 2
0
 @Override
 public void drop(DropTargetDropEvent dtde) {
   try {
     if (dtde.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
       dtde.acceptDrop(DnDConstants.ACTION_COPY);
       Transferable t = dtde.getTransferable();
       List list = (List) t.getTransferData(DataFlavor.javaFileListFlavor);
       for (Object o : list) {
         if (o instanceof File) {
           File f = (File) o;
           System.out.println(f.getAbsolutePath());
         }
       }
       dtde.dropComplete(true);
       return;
     }
   } catch (UnsupportedFlavorException | IOException ex) {
     ex.printStackTrace();
   }
   dtde.rejectDrop();
 }
Esempio n. 3
0
 public static void storeImage(BufferedImage image, String s) {
   String ext;
   File f;
   try {
     ext = s.substring(s.lastIndexOf(".") + 1);
     f = new File(s);
     f.mkdirs();
   } catch (Exception e) {
     System.out.println(e);
     return;
   }
   if (!ext.equals("gif") && !ext.equals("jpg") && !ext.equals("png")) {
     System.out.println("Cannot write to file: Illegal extension " + ext);
     return;
   }
   try {
     ImageIO.write(image, ext, f);
   } catch (Exception e) {
     System.out.println(e);
   }
 }