コード例 #1
0
 /**
  * Appends a frame to the current video.
  *
  * @param image the image to append
  * @return true if image successfully appended
  */
 protected boolean append(Image image) {
   BufferedImage bi;
   if (image instanceof BufferedImage) {
     bi = (BufferedImage) image;
   } else {
     bi = new BufferedImage(dim.width, dim.height, BufferedImage.TYPE_INT_RGB);
     Graphics2D g = bi.createGraphics();
     g.drawImage(image, 0, 0, null);
   }
   ByteArrayOutputStream out = new ByteArrayOutputStream();
   try {
     if (!editing) {
       videoMedia.beginEdits();
       editing = true;
     }
     ImageIO.write(bi, "png", out); // $NON-NLS-1$
     QTHandle handle = new QTHandle(out.toByteArray());
     DataRef dataRef = new DataRef(handle, kDataRefFileExtensionTag, "png"); // $NON-NLS-1$
     GraphicsImporter importer = new GraphicsImporter(dataRef);
     ImageDescription description = importer.getImageDescription();
     int duration = (int) (frameDuration * 0.6);
     videoMedia.addSample(
         handle,
         0, // data offset
         handle.getSize(),
         duration,
         description,
         1, // number of samples
         0); // key frame??
   } catch (Exception ex) {
     ex.printStackTrace();
     return false;
   }
   return true;
 }
コード例 #2
0
  private void initMovie(String filename) {
    try {
      String path = parent.savePath(filename);
      movFile = new QTFile(new File(path));
      movie =
          Movie.createMovieFile(
              movFile, StdQTConstants.kMoviePlayer, StdQTConstants.createMovieFileDeleteCurFile);
      int timeScale = TIME_SCALE; // 100 units per second
      videoTrack = movie.addTrack(width, height, 0);
      videoMedia = new VideoMedia(videoTrack, timeScale);
      videoMedia.beginEdits();
      bounds = new QDRect(0, 0, width, height);
      int rawImageSize =
          QTImage.getMaxCompressionSize(
              gw,
              bounds,
              gw.getPixMap().getPixelSize(),
              codecQuality,
              codecType,
              CodecComponent.anyCodec);
      imageHandle = new QTHandle(rawImageSize, true);
      imageHandle.lock();
      compressedImage = RawEncodedImage.fromQTHandle(imageHandle);
      seq =
          new CSequence(
              gw,
              bounds,
              gw.getPixMap().getPixelSize(),
              codecType,
              CodecComponent.bestFidelityCodec,
              codecQuality,
              codecQuality,
              keyFrameRate,
              null,
              0);
      imgDesc = seq.getDescription();
      readyForFrames = true;

    } catch (QTException e) {
      if (e.errorCode() == Errors.noCodecErr) {
        if (imageHandle == null) {
          // This means QTImage.getMaxCompressionSize() failed
          System.err.println(
              "The specified codec is not supported, "
                  + "please ensure that the parameters are valid, "
                  + "and in the correct order.");
        } else {
          // If it's a -8961 error, quietly do it the other way
          // (this happens when RAW is specified)
          temporalSupported = false;
          readyForFrames = true;
        }

      } else if (e.errorCode() == Errors.fBsyErr) {
        System.err.println("The movie file already exists.  " + "Please delete it first.");

      } else {
        e.printStackTrace();
      }
    }
  }