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.
}
public static java.awt.image.BufferedImage loadBufferedImageFromResources(
Component c, String filename) {
try {
Misc m = new Misc();
java.awt.Image img = loadImageFromResources(filename);
MediaTracker mt = new MediaTracker(c);
mt.addImage(img, 0);
mt.waitForID(0);
int width = img.getWidth(null);
int height = img.getHeight(null);
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics gg = bi.getGraphics();
gg.drawImage(img, 0, 0, null);
gg.dispose();
return bi;
} catch (Exception ex) {
System.out.println(ex.toString());
}
return null;
}