示例#1
0
  private void newImage(Buffer buffer) {
    Object data = buffer.getData();
    if (!(data instanceof int[])) return;
    RGBFormat format = (RGBFormat) buffer.getFormat();

    DirectColorModel dcm =
        new DirectColorModel(
            format.getBitsPerPixel(),
            format.getRedMask(),
            format.getGreenMask(),
            format.getBlueMask());

    sourceImage =
        new MemoryImageSource(
            format.getLineStride(),
            format.getSize().height,
            dcm,
            (int[]) data,
            0,
            format.getLineStride());
    sourceImage.setAnimated(true);
    sourceImage.setFullBufferUpdates(true);
    if (component != null) {
      destImage = component.createImage(sourceImage);
      component.prepareImage(destImage, component);
    }
  }
  /**
   * Replaces text in the specified range with the replacement string.
   *
   * @param view The view
   * @param buffer The buffer
   * @param start The start offset
   * @param end The end offset
   * @return True if the operation was successful, false otherwise
   */
  public static boolean replace(View view, Buffer buffer, int start, int end) {
    if (!buffer.isEditable()) return false;

    // component that will parent any dialog boxes
    Component comp = SearchDialog.getSearchDialog(view);
    if (comp == null) comp = view;

    boolean smartCaseReplace = getSmartCaseReplace();

    try {
      buffer.beginCompoundEdit();

      SearchMatcher matcher = getSearchMatcher();
      if (matcher == null) return false;

      initReplace();

      int retVal = 0;

      retVal += _replace(view, buffer, matcher, start, end, smartCaseReplace);

      if (retVal != 0) return true;
    } catch (Exception e) {
      handleError(comp, e);
    } finally {
      buffer.endCompoundEdit();
    }

    return false;
  } // }}}
示例#3
0
 public void render(VisCanvas vc, VisLayer layer, VisCanvas.RenderInfo rinfo, GL gl) {
   synchronized (buffers) {
     for (Buffer b : buffers) {
       if (!b.isEnabled()) continue;
       synchronized (b) {
         for (VisObject vo : b.front) {
           if (vo != null) vo.render(vc, layer, rinfo, gl);
         }
       }
     }
   }
 }
  public void captureImage() {
    String savepath =
        this.saveDirectory + "\\cam" + this.getDateFormatNow("yyyyMMdd_HHmmss-S") + ".jpg";
    System.out.println("Capturing current image to " + savepath);

    // Grab a frame
    FrameGrabbingControl fgc =
        (FrameGrabbingControl) player.getControl("javax.media.control.FrameGrabbingControl");
    buf = fgc.grabFrame();

    // Convert it to an image
    btoi = new BufferToImage((VideoFormat) buf.getFormat());
    img = btoi.createImage(buf);

    // save image
    saveJPG(img, savepath);

    // show the image
    // imgpanel.setImage(img);

    // images.add(img);
    images.add(savepath);

    if (images_lastadded.size() >= lastadded_max) {
      // Remove last
      images_lastadded.remove(images_lastadded.size() - 1);
    }

    images_lastadded.add(0, images.size() - 1);
    images_nevershown.add(0, images.size() - 1);

    forceNewImage();
  }
示例#5
0
  /** Processes the data and renders it to a component */
  public synchronized int process(Buffer buffer) {
    if (component == null) return BUFFER_PROCESSED_FAILED;

    Format inf = buffer.getFormat();
    if (inf == null) return BUFFER_PROCESSED_FAILED;

    if (inf != inputFormat || !buffer.getFormat().equals(inputFormat)) {
      if (setInputFormat(inf) != null) return BUFFER_PROCESSED_FAILED;
    }

    Object data = buffer.getData();
    if (!(data instanceof int[])) return BUFFER_PROCESSED_FAILED;

    if (lastBuffer != buffer) {
      lastBuffer = buffer;
      newImage(buffer);
    }

    sourceImage.newPixels(0, 0, inWidth, inHeight);

    Graphics g = component.getGraphics();
    if (g != null) {
      if (reqBounds == null) {
        bounds = component.getBounds();
        bounds.x = 0;
        bounds.y = 0;
      } else bounds = reqBounds;
      g.drawImage(
          destImage,
          bounds.x,
          bounds.y,
          bounds.width,
          bounds.height,
          0,
          0,
          inWidth,
          inHeight,
          component);
    }

    return BUFFER_PROCESSED_OK;
  }
    public VideoTrack(PullSourceStream stream) throws ResourceUnavailableException {
      super();

      this.stream = stream;
      // set format

      // read first frame to determine format
      final Buffer buffer = new Buffer();
      readFrame(buffer);
      if (buffer.isDiscard() || buffer.isEOM())
        throw new ResourceUnavailableException("Unable to read first frame");
      // TODO: catch runtime exception too?

      // parse jpeg
      final java.awt.Image image;
      try {
        image =
            ImageIO.read(
                new ByteArrayInputStream(
                    (byte[]) buffer.getData(), buffer.getOffset(), buffer.getLength()));
      } catch (IOException e) {
        logger.log(Level.WARNING, "" + e, e);
        throw new ResourceUnavailableException("Error reading image: " + e);
      }

      if (image == null) {
        logger.log(Level.WARNING, "Failed to read image (ImageIO.read returned null).");
        throw new ResourceUnavailableException();
      }

      if (frameContentType.equals("image/jpeg"))
        format =
            new JPEGFormat(
                new Dimension(image.getWidth(null), image.getHeight(null)),
                Format.NOT_SPECIFIED,
                Format.byteArray,
                -1.f,
                Format.NOT_SPECIFIED,
                Format.NOT_SPECIFIED);
      else if (frameContentType.equals("image/gif"))
        format =
            new GIFFormat(
                new Dimension(image.getWidth(null), image.getHeight(null)),
                Format.NOT_SPECIFIED,
                Format.byteArray,
                -1.f);
      else if (frameContentType.equals("image/png"))
        format =
            new PNGFormat(
                new Dimension(image.getWidth(null), image.getHeight(null)),
                Format.NOT_SPECIFIED,
                Format.byteArray,
                -1.f);
      else
        throw new ResourceUnavailableException(
            "Unsupported frame content type: " + frameContentType);
      // TODO: this discards first image. save and return first time
      // readFrame is called.

    }
  /**
   * Finds the next instance of the search string in the specified buffer.
   *
   * @param view The view
   * @param buffer The buffer
   * @param start Location where to start the search
   * @param firstTime See {@link
   *     SearchMatcher#nextMatch(CharSequence,boolean,boolean,boolean,boolean)}.
   * @since jEdit 4.1pre7
   */
  public static boolean find(
      View view, Buffer buffer, int start, boolean firstTime, boolean reverse) throws Exception {

    EditBus.send(new PositionChanging(view.getEditPane()));

    SearchMatcher matcher = getSearchMatcher();
    if (matcher == null) {
      view.getToolkit().beep();
      return false;
    }

    CharSequence text;
    boolean startOfLine;
    boolean endOfLine;
    if (reverse) {
      text = new ReverseCharSequence(buffer.getSegment(0, start));
      startOfLine = true;
      endOfLine = (buffer.getLineEndOffset(buffer.getLineOfOffset(start)) - 1 == start);
    } else {
      text = buffer.getSegment(start, buffer.getLength() - start);
      startOfLine = (buffer.getLineStartOffset(buffer.getLineOfOffset(start)) == start);
      endOfLine = true;
    }

    String noWordSep = buffer.getStringProperty("noWordSep");
    matcher.setNoWordSep(noWordSep);
    SearchMatcher.Match match = matcher.nextMatch(text, startOfLine, endOfLine, firstTime, reverse);
    if (match != null) {
      jEdit.commitTemporary(buffer);
      view.setBuffer(buffer, true);
      JEditTextArea textArea = view.getTextArea();

      if (reverse) {
        textArea.setSelection(new Selection.Range(start - match.end, start - match.start));
        // make sure end of match is visible
        textArea.scrollTo(start - match.start, false);
        textArea.moveCaretPosition(start - match.end);
      } else {
        textArea.setSelection(new Selection.Range(start + match.start, start + match.end));
        textArea.moveCaretPosition(start + match.end);
        // make sure start of match is visible
        textArea.scrollTo(start + match.start, false);
      }

      return true;
    } else return false;
  } // }}}
示例#8
0
  // {{{ print() method
  public static void print(final View view, final Buffer buffer, boolean selection) {
    job = getPrintJob(buffer.getPath());

    boolean header = jEdit.getBooleanProperty("print.header");
    boolean footer = jEdit.getBooleanProperty("print.footer");
    boolean lineNumbers = jEdit.getBooleanProperty("print.lineNumbers");
    boolean color = jEdit.getBooleanProperty("print.color");
    Font font = jEdit.getFontProperty("print.font");

    BufferPrintable printable =
        new BufferPrintable(job, format, view, buffer, font, header, footer, lineNumbers, color);
    job.setPrintable(printable);

    if (!job.printDialog(format)) return;

    savePrintSpec();

    printable.print();
  } // }}}
    @Override
    public void readFrame(Buffer buffer) {
      // example data:
      // --ssBoundary8345
      // Content-Type: image/jpeg
      // Content-Length: 114587

      try {
        String line;
        // eat leading blank lines
        while (true) {
          line = readLine(MAX_LINE_LENGTH);
          if (line == null) {
            buffer.setEOM(true);
            buffer.setLength(0);
            return;
          }

          if (!line.trim().equals("")) break; // end of header
        }

        if (boundary == null) {
          boundary = line.trim(); // TODO: we should be able to get
          // this from the content type, but
          // the content type has this
          // stripped out. So we'll just take
          // the first nonblank line to be the
          // boundary.
          // System.out.println("boundary: " + boundary);
        } else {
          if (!line.trim().equals(boundary)) {
            // throw new IOException("Expected boundary: " +
            // toPrintable(line));
            // TODO: why do we seem to get these when playing back
            // mmr files recorded using FmjTranscode?
            logger.warning("Expected boundary (frame " + framesRead + "): " + toPrintable(line));

            // handle streams that are truncated in the middle of a
            // frame:
            final int eatResult = eatUntil(boundary); // TODO: no
            // need to
            // store the
            // data

            logger.info(
                "Ignored bytes (eom after="
                    + (eatResult < 0)
                    + "): "
                    + (eatResult < 0 ? (-1 * eatResult - 1) : eatResult));
            if (eatResult < 0) {
              buffer.setEOM(true);
              buffer.setLength(0);
              return;
            }

            // now read boundary
            line = readLine(MAX_LINE_LENGTH);
            if (!line.trim().equals(boundary)) {
              throw new RuntimeException("No boundary found after eatUntil(boundary)"); // should
              // never
              // happen
            }
          }
        }

        final Properties properties = new Properties();

        while (true) {
          line = readLine(MAX_LINE_LENGTH);
          if (line == null) {
            buffer.setEOM(true);
            buffer.setLength(0);
            return;
          }

          if (line.trim().equals("")) break; // end of header

          if (!parseProperty(line, properties))
            throw new IOException("Expected property: " + toPrintable(line));
        }

        final String contentType = properties.getProperty("Content-Type".toUpperCase());
        if (contentType == null) {
          logger.warning("Header properties: " + properties);
          throw new IOException("Expected Content-Type in header");
        }

        // check supported content types:
        if (!isSupportedFrameContentType(contentType)) {
          throw new IOException("Unsupported Content-Type: " + contentType);
        }

        if (frameContentType == null) {
          frameContentType = contentType;
        } else {
          if (!contentType.equals(frameContentType))
            throw new IOException(
                "Content type changed during stream from "
                    + frameContentType
                    + " to "
                    + contentType);
        }

        // TODO: check that size doesn't change throughout

        final byte[] data;

        final String contentLenStr = properties.getProperty("Content-Length".toUpperCase());
        if (contentLenStr != null) { // if we know the content length, use it
          final int contentLen;
          try {
            contentLen = Integer.parseInt(contentLenStr);
          } catch (NumberFormatException e) {
            throw new IOException("Invalid content length: " + contentLenStr);
          }

          // now, read the content-length bytes
          data = readFully(contentLen); // TODO: don't realloc each
          // time
        } else {
          // if we don't know the content length, just read until we
          // find the boundary.
          // Some IP cameras don't specify it, like
          // http://webcam-1.duesseldorf.it-on.net/cgi-bin/nph-update.cgi
          data = readUntil(boundary);
        }

        // ext
        final String timestampStr = properties.getProperty(TIMESTAMP_KEY.toUpperCase());
        if (timestampStr != null) {
          try {
            final long timestamp = Long.parseLong(timestampStr);
            buffer.setTimeStamp(timestamp);

          } catch (NumberFormatException e) {
            logger.log(Level.WARNING, "" + e, e);
          }
        }

        if (data == null) {
          buffer.setEOM(true);
          buffer.setLength(0);
          return;
        }

        buffer.setData(data);
        buffer.setOffset(0);
        buffer.setLength(data.length);
        ++framesRead;

      } catch (IOException e) {
        throw new RuntimeException(e);
      }
    }
示例#10
0
  /**
   * Blocks and reads into a <tt>Buffer</tt> from this <tt>PullBufferStream</tt>.
   *
   * @param buffer the <tt>Buffer</tt> this <tt>PullBufferStream</tt> is to read into
   * @throws IOException if an I/O error occurs while this <tt>PullBufferStream</tt> reads into the
   *     specified <tt>Buffer</tt>
   * @see AbstractVideoPullBufferStream#doRead(Buffer)
   */
  @Override
  protected void doRead(Buffer buffer) throws IOException {
    /*
     * Determine the Format in which we're expected to output. We cannot
     * rely on the Format always being specified in the Buffer because it is
     * not its responsibility, the DataSource of this ImageStream knows the
     * output Format.
     */
    Format format = buffer.getFormat();

    if (format == null) {
      format = getFormat();
      if (format != null) buffer.setFormat(format);
    }

    if (format instanceof AVFrameFormat) {
      Object o = buffer.getData();
      AVFrame frame;

      if (o instanceof AVFrame) frame = (AVFrame) o;
      else {
        frame = new AVFrame();
        buffer.setData(frame);
      }

      AVFrameFormat avFrameFormat = (AVFrameFormat) format;
      Dimension size = avFrameFormat.getSize();
      ByteBuffer data = readScreenNative(size);

      if (data != null) {
        if (frame.avpicture_fill(data, avFrameFormat) < 0) {
          data.free();
          throw new IOException("avpicture_fill");
        }
      } else {
        /*
         * This can happen when we disconnect a monitor from computer
         * before or during grabbing.
         */
        throw new IOException("Failed to grab screen.");
      }
    } else {
      byte[] bytes = (byte[]) buffer.getData();
      Dimension size = ((VideoFormat) format).getSize();

      bytes = readScreen(bytes, size);

      buffer.setData(bytes);
      buffer.setOffset(0);
      buffer.setLength(bytes.length);
    }

    buffer.setHeader(null);
    buffer.setTimeStamp(System.nanoTime());
    buffer.setSequenceNumber(seqNo);
    buffer.setFlags(Buffer.FLAG_SYSTEM_TIME | Buffer.FLAG_LIVE_DATA);
    seqNo++;
  }
示例#11
0
  public int process(Buffer inBuffer, Buffer outBuffer) {
    try {
      if (frameConverter == null) {
        frameConverter = new BufferToImage((VideoFormat) inBuffer.getFormat());
      }

      // Convert the Buffer to an AWT Image.
      Image frameImage = frameConverter.createImage(inBuffer);

      // Derive a JAI image from the AWT image.
      PlanarImage jaiImage = JAI.create("AWTImage", frameImage);

      int index;
      boolean emboss = false;
      if (control != null) {
        index = control.getEffectIndex();
        if (control.getEffectName().equals("None")) {
          outBuffer.setData(inBuffer.getData());
          outBuffer.setFormat(inBuffer.getFormat());
          outBuffer.setFlags(inBuffer.getFlags());
          outBuffer.setLength(inBuffer.getLength());
          return BUFFER_PROCESSED_OK;
        }
        if (control.getEffectName().equals("Emboss")) {
          emboss = true; // Special case
        }
      } else index = 0;

      if (kernels[index] == null) {
        kernels[index] = new KernelJAI(3, 3, matrices[index]);
      }

      jaiImage = JAI.create("convolve", jaiImage, kernels[index]);

      if (emboss) { // add 128 to make it brighter
        double[] constants = new double[] {128., 128., 128.};
        ParameterBlock pb = new ParameterBlock();
        pb.addSource(jaiImage);
        pb.add(constants);
        jaiImage = JAI.create("addconst", pb, null);
      }

      // Now convert the image to a buffer
      BufferedImage bim = jaiImage.getAsBufferedImage();

      Buffer out = ImageToBuffer.createBuffer(bim, 15.F);
      if (out == null) {
        if (debug) {
          System.out.println("ImageToBuffer returned null");
        }
        return BUFFER_PROCESSED_FAILED;
      }

      outBuffer.setData(out.getData());
      outBuffer.setFormat(out.getFormat());
      outBuffer.setFlags(out.getFlags());
      outBuffer.setLength(out.getLength());
    } catch (Exception e) {
      System.err.println(e);
      return BUFFER_PROCESSED_FAILED;
    } catch (Error e) {
      System.err.println(e);
      return BUFFER_PROCESSED_FAILED;
    }
    return BUFFER_PROCESSED_OK;
  }
  /**
   * Replaces all occurrences of the search string with the replacement string.
   *
   * @param view The view
   * @param dontOpenChangedFiles Whether to open changed files or to autosave them quietly
   * @return the number of modified files
   */
  public static boolean replaceAll(View view, boolean dontOpenChangedFiles) {
    // component that will parent any dialog boxes
    Component comp = SearchDialog.getSearchDialog(view);
    if (comp == null) comp = view;

    if (fileset.getFileCount(view) == 0) {
      GUIUtilities.error(comp, "empty-fileset", null);
      return false;
    }

    record(view, "replaceAll(view)", true, true);

    view.showWaitCursor();

    boolean smartCaseReplace = getSmartCaseReplace();

    int fileCount = 0;
    int occurCount = 0;
    try {
      SearchMatcher matcher = getSearchMatcher();
      if (matcher == null) return false;

      initReplace();

      String path = fileset.getFirstFile(view);
      loop:
      while (path != null) {
        Buffer buffer = jEdit.openTemporary(view, null, path, false);

        /* this is stupid and misleading.
         * but 'path' is not used anywhere except
         * the above line, and if this is done
         * after the 'continue', then we will
         * either hang, or be forced to duplicate
         * it inside the buffer == null, or add
         * a 'finally' clause. you decide which one's
         * worse. */
        path = fileset.getNextFile(view, path);

        if (buffer == null) continue loop;

        // Wait for buffer to finish loading
        if (buffer.isPerformingIO()) VFSManager.waitForRequests();

        if (!buffer.isEditable()) continue loop;

        // Leave buffer in a consistent state if
        // an error occurs
        int retVal = 0;

        try {
          buffer.beginCompoundEdit();
          retVal = _replace(view, buffer, matcher, 0, buffer.getLength(), smartCaseReplace);
        } finally {
          buffer.endCompoundEdit();
        }

        if (retVal != 0) {
          fileCount++;
          occurCount += retVal;
          if (dontOpenChangedFiles) {
            buffer.save(null, null);
          } else {
            jEdit.commitTemporary(buffer);
            jEdit.getBufferSetManager().addBuffer(view, buffer);
          }
        }
      }
    } catch (Exception e) {
      handleError(comp, e);
    } finally {
      view.hideWaitCursor();
    }

    /* Don't do this when playing a macro, cos it's annoying */
    if (!BeanShell.isScriptRunning()) {
      Object[] args = {Integer.valueOf(occurCount), Integer.valueOf(fileCount)};
      view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
      if (occurCount == 0) view.getToolkit().beep();
    }

    return (fileCount != 0);
  } // }}}
  /**
   * Replaces the current selection with the replacement string.
   *
   * @param view The view
   * @return True if the operation was successful, false otherwise
   */
  public static boolean replace(View view) {
    // component that will parent any dialog boxes
    Component comp = SearchDialog.getSearchDialog(view);
    if (comp == null) comp = view;

    JEditTextArea textArea = view.getTextArea();

    Buffer buffer = view.getBuffer();
    if (!buffer.isEditable()) return false;

    boolean smartCaseReplace = getSmartCaseReplace();

    Selection[] selection = textArea.getSelection();
    if (selection.length == 0) {
      view.getToolkit().beep();
      return false;
    }

    record(view, "replace(view)", true, false);

    // a little hack for reverse replace and find
    int caret = textArea.getCaretPosition();
    Selection s = textArea.getSelectionAtOffset(caret);
    if (s != null) caret = s.getStart();

    try {
      buffer.beginCompoundEdit();

      SearchMatcher matcher = getSearchMatcher();
      if (matcher == null) return false;

      initReplace();

      int retVal = 0;

      for (int i = 0; i < selection.length; i++) {
        s = selection[i];

        retVal += replaceInSelection(view, textArea, buffer, matcher, smartCaseReplace, s);
      }

      if (reverse) {
        // so that Replace and Find continues from
        // the right location
        textArea.moveCaretPosition(caret);
      } else {
        s = textArea.getSelectionAtOffset(textArea.getCaretPosition());
        if (s != null) textArea.moveCaretPosition(s.getEnd());
      }

      if (!BeanShell.isScriptRunning()) {
        Object[] args = {Integer.valueOf(retVal), Integer.valueOf(1)};
        view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.replace-all", args));
      }

      if (retVal == 0) {
        view.getToolkit().beep();
        return false;
      }

      return true;
    } catch (Exception e) {
      handleError(comp, e);
    } finally {
      buffer.endCompoundEdit();
    }

    return false;
  } // }}}
  /**
   * Finds the next occurrence of the search string.
   *
   * @param view The view
   * @return True if the operation was successful, false otherwise
   */
  public static boolean find(View view) {
    // component that will parent any dialog boxes
    Component comp = SearchDialog.getSearchDialog(view);
    if (comp == null || !comp.isShowing()) comp = view;

    String path = fileset.getNextFile(view, null);
    if (path == null) {
      GUIUtilities.error(comp, "empty-fileset", null);
      return false;
    }

    try {
      view.showWaitCursor();

      SearchMatcher matcher = getSearchMatcher();
      if (matcher == null) {
        view.getToolkit().beep();
        return false;
      }

      record(view, "find(view)", false, true);

      boolean repeat = false;
      loop:
      for (; ; ) {
        while (path != null) {
          Buffer buffer = jEdit.openTemporary(view, null, path, false);

          /* this is stupid and misleading.
           * but 'path' is not used anywhere except
           * the above line, and if this is done
           * after the 'continue', then we will
           * either hang, or be forced to duplicate
           * it inside the buffer == null, or add
           * a 'finally' clause. you decide which one's
           * worse. */
          if (reverse) {
            path = fileset.getPrevFile(view, path);
          } else {
            path = fileset.getNextFile(view, path);
          }

          if (buffer == null) continue loop;

          // Wait for the buffer to load
          if (!buffer.isLoaded()) VFSManager.waitForRequests();

          int start;

          if (view.getBuffer() == buffer && !repeat) {
            JEditTextArea textArea = view.getTextArea();
            Selection s = textArea.getSelectionAtOffset(textArea.getCaretPosition());
            if (s == null) start = textArea.getCaretPosition();
            else if (reverse) start = s.getStart();
            else start = s.getEnd();
          } else if (reverse) start = buffer.getLength();
          else start = 0;

          if (find(view, buffer, start, repeat, reverse)) return true;
        }

        if (repeat) {
          if (!BeanShell.isScriptRunning()) {
            view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.search-not-found"));

            view.getToolkit().beep();
          }
          return false;
        }

        boolean restart;

        // if auto wrap is on, always restart search.
        // if auto wrap is off, and we're called from
        // a macro, stop search. If we're called
        // interactively, ask the user what to do.
        if (wrap) {
          if (!BeanShell.isScriptRunning()) {
            view.getStatus().setMessageAndClear(jEdit.getProperty("view.status.auto-wrap"));
            // beep if beep property set
            if (jEdit.getBooleanProperty("search.beepOnSearchAutoWrap")) {
              view.getToolkit().beep();
            }
          }
          restart = true;
        } else if (BeanShell.isScriptRunning()) {
          restart = false;
        } else {
          Integer[] args = {Integer.valueOf(reverse ? 1 : 0)};
          int result =
              GUIUtilities.confirm(
                  comp,
                  "keepsearching",
                  args,
                  JOptionPane.YES_NO_OPTION,
                  JOptionPane.QUESTION_MESSAGE);
          restart = (result == JOptionPane.YES_OPTION);
        }

        if (restart) {
          // start search from beginning
          path = fileset.getFirstFile(view);
          repeat = true;
        } else break loop;
      }
    } catch (Exception e) {
      handleError(comp, e);
    } finally {
      view.hideWaitCursor();
    }

    return false;
  } // }}}
 /** Should be somewhere else... */
 private static int getColumnOnOtherLine(Buffer buffer, int line, int col) {
   int returnValue = buffer.getOffsetOfVirtualColumn(line, col, null);
   if (returnValue == -1) return buffer.getLineEndOffset(line) - 1;
   else return buffer.getLineStartOffset(line) + returnValue;
 } // }}}
    @Override
    public void read(Buffer buffer) throws IOException {
      pbs.read(buffer);

      // Remap the time stamps so it won't wrap around
      // while changing to a new file.
      if (buffer.getTimeStamp() != Buffer.TIME_UNKNOWN) {
        long diff = buffer.getTimeStamp() - lastTS;
        lastTS = buffer.getTimeStamp();
        if (diff > 0) timeStamp += diff;
        buffer.setTimeStamp(timeStamp);
      }

      // If this track is to be used as the master time base,
      // we'll need to compute the master time based on this track.
      if (useAsMaster) {
        if (buffer.getFormat() instanceof AudioFormat) {
          AudioFormat af = (AudioFormat) buffer.getFormat();
          masterAudioLen += buffer.getLength();
          long t = af.computeDuration(masterAudioLen);
          if (t > 0) {
            masterTime = t;
          } else {
            masterTime = buffer.getTimeStamp();
          }
        } else {
          masterTime = buffer.getTimeStamp();
        }
      }

      if (buffer.isEOM()) {
        tInfo.done = true;
        if (!ds.handleEOM(tInfo)) {
          // This is not the last processor to be done.
          // We'll need to un-set the EOM flag.
          buffer.setEOM(false);
          buffer.setDiscard(true);
        }
      }
    }