#vulnerable code 
                             @Override
	public void open() {

		if (!open.compareAndSet(false, true)) {
			return;
		}

		LOG.debug("Opening GStreamer device");

		init();

		starting.set(true);

		Dimension size = getResolution();

		image = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
		image.setAccelerationPriority(0);
		image.flush();

		if (caps != null) {
			caps.dispose();
		}

		caps = Caps.fromString(String.format("%s,width=%d,height=%d", format, size.width, size.height));

		filter.setCaps(caps);

		LOG.debug("Link elements");

		pipe.addMany(source, filter, sink);
		Element.linkMany(source, filter, sink);
		pipe.setState(State.PLAYING);

		// wait max 20s for image to appear
		synchronized (this) {
			LOG.debug("Wait for device to be ready");
			try {
				this.wait(20000);
			} catch (InterruptedException e) {
				return;
			}
		}
	} 
                            #location 32 
                            #vulnerability type THREAD_SAFETY_VIOLATION
#fixed code
                             @Override
	public void open() {

		if (!open.compareAndSet(false, true)) {
			return;
		}

		LOG.debug("Opening GStreamer device");

		init();

		starting.set(true);

		Dimension size = getResolution();

		image = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
		image.setAccelerationPriority(0);
		image.flush();

		if (caps != null) {
			caps.dispose();
		}

		caps = Caps.fromString(String.format("%s,framerate=30/1,width=%d,height=%d", format, size.width, size.height));
		filter.setCaps(caps);

		LOG.debug("Using filter caps: {}", caps);

		pipelinePlay();

		LOG.debug("Wait for device to be ready");

		// wait max 20s for image to appear
		synchronized (this) {
			try {
				this.wait(20000);
			} catch (InterruptedException e) {
				return;
			}
		}
	}