JMF BufferからBufferedImageへの変換

Codec codec[] = {new PreAccessCodec(), new PostAccessCodec()};

public class PreAccessCodec implements Codec
{
  public int process(Buffer in, Buffer out)
  {
    RGBFormat format = (RGBFormat)in.getFormat();
    frameImage = new BufferedImage(format.getLineStride(),
                                   format.getSize().height,
                                   BufferedImage.TYPE_INT_BGR);

    frameImage.getRaster().setDataElements(0,0,format.getLineStride(),
                                           format.getSize().height,
                                           data);
    // ここでBufferedImageを編集し、さらにそのイメージをBuffer型に変換する
    out.setData(modifiedImageBuffer); // 編集済みのBufferを出力させる
  }
}

public int process(Buffer in, Buffer out)
{
  data = (byte[])in.getData();
  int[] pixels = new int[data.length]; // intの配列を用意

  for(int i=0; i<data.length; i++) // byte配列からint配列に変換
    pixels[i] = (int)data[i];

  // int配列からイメージを生成
  MemoryImageSource memoryImageSource = new MemoryImageSource(width, height, pixels, 0, width);
  Image filteredImage = Toolkit.getDefaultToolkit().createImage(memoryImageSource);
}

public int process(Buffer in, Buffer out)
{
  FrameGrabbingControl frameGrabbingCtrl = (FrameGrabbingControl)
                p.getControl("javax.media.control.FrameGrabbingControl");
  Buffer buf = frameGrabbingCtrl.grabFrame();

  // 以下sakuraiさんのbuffer2imageの内容で。
}

public int process(Buffer in, Buffer out)
{
  FrameGrabbingControl frameGrabbingCtrl =
 (FrameGrabbingControl)p.getControl("javax.media.control.FrameGrabbingControl");

  Buffer inBuffer = frameGrabbingCtrl.grabFrame();
  out.setData(inBuffer.getData());
  out.setFormat(in.getFormat());
  out.setLength(in.getLength());
  out.setOffset(in.getOffset());
}