dsjrealizer.java

DSDVCam wraps DirectShow functionality for IEEE 1394 (aka Firewire, iLink) DV camcorders.

package de.humatic.media.content.dsj;


import javax.media.*;
import javax.media.protocol.*;
import java.awt.*;
import java.awt.image.*;
import java.io.*;
import java.util.*;




class DSJRealizer extends Thread
{
	private Handler handler;

	private DataSource dataSrc;

	public DSJRealizer(Handler h, DataSource ds, ThreadGroup tg)
	{
		super(tg, "DSJRealizer");

		this.handler = h;

		dataSrc = ds;

	}

	// this thread exists to transition from realizing to
	// realized state.

	public void run() {


		handler.setPreviousState(handler.currentState);
		handler.setCurrentState(Controller.Realizing);
		handler.setTargetState(Controller.Realized);

        try {

			((de.humatic.media.protocol.dsj.DataSource)dataSrc).createFiltergraph();

		}
		catch (Exception ioe) {
			InternalErrorEvent uhoh;
			uhoh = new InternalErrorEvent(handler, ioe.toString());
			handler.addEvent(uhoh);
			return;
		}


        // update state to realize

		handler.setPreviousState(handler.currentState);
		handler.setCurrentState(Controller.Realized);
		handler.setTargetState(Controller.Realized);

		// notify listeners that realize is done.
		handler.realizer = null;
		handler.realizeCompleted = true;
		RealizeCompleteEvent rce = new RealizeCompleteEvent(handler,
                    										Controller.Unrealized,
                    										Controller.Realized,
                    										Controller.Realized);
		handler.addEvent(rce);

	}

}