Class VideoAdapter

src/org/opensourcephysics/media/core/VideoAdapter.java:68–1331

This provides basic implementations of all Video methods. Subclasses should provide a raw image for display--see ImageVideo or GifVideo for an example. All public methods implement Video @author Douglas Brown @version 1.0

 * @version 1.0
 */
public abstract class VideoAdapter extends OSPRuntime.Supported implements Video {
// instance fields
	
	protected Image rawImage; // raw image from video source
	protected Dimension size = new Dimension(); // image pixel dimensions
	protected Dimension displayedSize = new Dimension(); // image pixel dimensions with filters
	protected BufferedImage bufferedImage; // offscreen buffered image copy
	protected BufferedImage filteredImage; // filtered image
	protected String baseDir;
	protected int frameCount = 0;
	protected int frameNumber = 0;
	protected int startFrameNumber;
	protected int endFrameNumber;
	protected double rate = 1;
	protected boolean playing = false;
	protected boolean looping = false;
	protected double minX, maxX, minY, maxY;
	protected boolean mouseEnabled = false;
	protected boolean visible = true;
	protected boolean isMeasured = false;
	protected boolean isValidMeasure = false;
	protected boolean widthDominates = true;
	protected boolean isValidImage = false;
	protected boolean isValidFilteredImage = false;
	protected ImageCoordSystem coords;
	protected DoubleArray aspects;
	protected HashMap<String, Object> properties = new HashMap<String, Object>();
	protected FilterStack filterStack = new FilterStack();
	protected DataBufferInt clearRaster;

	/**
	 * startTimes in MS. Created from MediaInfo.analyzeData(JavaScript) or from
	 * Xuggle(Java); passed through XMLControl "video" in TRK/TRZ to other platforms
	 * 
	 * used in:
	 * 
	 * VideoAdapter.getEndTime(), .setEndTime(), .getFrameDuration()
	 * 
	 * Video.getAverageFrameRate(), .getOutliers(), isValid()
	 * 
	 * MovieVideo.getFrameNumberBefore(), .setFromControl(), .setStartTimes(),
	 * .finalizeLoading()
	 * 
	 * 
	 */
	protected double[] startTimesMS;

	/**
	 * set to false by TrackerIO.getImageBytes()
	 */
	private boolean doNotify = true;

	public void setNotify(boolean b) {
		doNotify = b;
	}


	private final static Point2D.Double corner = new Point2D.Double(0, 0);