mencoder video.3gp -o video.mpg -oac pcm -ovc lavc -lavcopts vcodec=mjpeg:mbd=1:vbitrate=1800

import java.awt.Dimension;

import javax.media.Buffer;
import javax.media.Effect;
import javax.media.Format;
import javax.media.ResourceUnavailableException;
import javax.media.format.RGBFormat;

public class SimpleFilter implements Effect
{
	protected Format inputFormat = null;
	protected Format outputFormat = null;
	
	protected Format[] inputFormats = null;
	protected Format[] outputFormats = null;
	
	public AngelMotionCodec()
	{
		inputFormats = new Format[]{ new RGBFormat(null, Format.NOT_SPECIFIED, Format.byteArray, Format.NOT_SPECIFIED, 24, 3, 2, 1, 3, Format.NOT_SPECIFIED, Format.TRUE, Format.NOT_SPECIFIED) };
		outputFormats = new Format[]{ new RGBFormat(null, Format.NOT_SPECIFIED, Format.byteArray, Format.NOT_SPECIFIED, 24, 3, 2, 1, 3, Format.NOT_SPECIFIED, Format.TRUE, Format.NOT_SPECIFIED) };
	}
	
	/****** Codec ******/
	public Format[] getSupportedInputFormats()
	{
		return inputFormats;
	}

	public Format[] getSupportedOutputFormats(Format input)
	{
		if(input != null)
		{
			if(matches(input, inputFormats) != null)
				return new Format[]{ outputFormats[0].intersects(input) };
			else
				return new Format[0];
		}
		
		return outputFormats;
	}

	public int process(Buffer input, Buffer output)
	{
		// Swap tra input & output
		Object tmp = input.getData();
		
		input.setData(output.getData());
		output.setData(tmp);
		
		return BUFFER_PROCESSED_OK;
	}

	public Format setInputFormat(Format input)
	{
		inputFormat = input;
		
		return input;
	}

	public Format setOutputFormat(Format output)
	{
		if(output != null || matches(output, outputFormats) != null)
		{
			RGBFormat inRGB = (RGBFormat) output;
			
			Dimension size = inRGB.getSize();
			int maxDataLength = inRGB.getMaxDataLength();
			int lineStride = inRGB.getLineStride();
			int flipped = inRGB.getFlipped();
			
			if(size == null)
				return null;
			
			if(maxDataLength < size.width*size.height*3)
				maxDataLength = size.width*size.height*3;
			
			if(lineStride < size.width*3)
				lineStride = size.width*3;
			
			if(flipped != Format.FALSE)
				flipped = Format.FALSE;
			
			outputFormat = outputFormats[0].intersects(new RGBFormat(size, maxDataLength, inRGB.getDataType(), inRGB.getFrameRate(), inRGB.getBitsPerPixel(), inRGB.getRedMask(), inRGB.getGreenMask(), inRGB.getBlueMask(), inRGB.getPixelStride(), lineStride, flipped, inRGB.getEndian()));
			
			return outputFormat;
		}
		
		return null;
	}
	/****** Codec ******/

	/****** PlugIn ******/
	public void close()
	{

	}

	public String getName()
	{
		return "Simple-Filter";
	}

	public void open() throws ResourceUnavailableException
	{

	}

	public void reset()
	{

	}
	/****** PlugIn ******/

	/****** Controls ******/
	public Object getControl(String controlType)
	{
		return null;
	}

	public Object[] getControls()
	{
		return null;
	}
	/****** Controls ******/
	
	/****** Utility ******/
	private Format matches(Format in, Format[] out)
	{
		if(in != null && out != null)
		{
			for(int i=0, cnt=out.length; i<cnt; i++)
			{
				if(in.matches(out[i]))
					return out[i];
			}
		}
		
		return null;
	}
	/****** Utility ******/
}

package org.jmf.example;

import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.plaf.metal.MetalLookAndFeel;

public class ExampleJMF
{
	public static void main(String[] args)
	{
		JFrame.setDefaultLookAndFeelDecorated(true); 
		JDialog.setDefaultLookAndFeelDecorated(true);
		
		try
		{
			UIManager.setLookAndFeel(new MetalLookAndFeel());
		}
		catch(UnsupportedLookAndFeelException e)
		{
			e.printStackTrace();
		}
		
		new exampleFrame();
	}
}

package org.jmf.example;

import java.awt.Toolkit;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;

import javax.swing.JFrame;

public class exampleFrame extends JFrame
{
	private static final long serialVersionUID = 1L;
	
	public exampleFrame()
	{
		super("JMF - Example...");
		
		setSize(400, 300);
		setLocation((Toolkit.getDefaultToolkit().getScreenSize().width - getWidth())/2, (Toolkit.getDefaultToolkit().getScreenSize().height - getHeight())/2);
		
		addWindowListener(new WindowAdapter()
		{
			public void windowClosing(WindowEvent evt)
			{
				System.exit(0);
			}
		});
		
		setContentPane(new examplePanel());
		setVisible(true);
	}
}

package org.jmf.example;

import java.awt.Component;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;

import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.Manager;
import javax.media.NoPlayerException;
import javax.media.Player;
import javax.media.RealizeCompleteEvent;
import javax.swing.JPanel;

public class examplePanel extends JPanel implements ActionListener, ControllerListener
{
	private static final long serialVersionUID = 1L;
	
	private Component visualComponent;
	private Player player;
	
	public examplePanel()
	{
		try
		{
			player = Manager.createPlayer(new URL("file:///tmp/a.mpg"));
			player.addControllerListener(this);
			
			player.start();
		}
		catch(NoPlayerException e)
		{
			e.printStackTrace();
		}
		catch(MalformedURLException e)
		{
			e.printStackTrace();
		}
		catch(IOException e)
		{
			e.printStackTrace();
		}
	}
	
	public void paintComponent(Graphics g)
	{
		super.paintComponent(g);
	}

	public void actionPerformed(ActionEvent e)
	{

	}

	public void controllerUpdate(ControllerEvent c)
	{
		if(player == null)
			return;
		
		if(c instanceof RealizeCompleteEvent)
		{
			if((visualComponent = player.getVisualComponent()) != null)
				add(visualComponent);
		}
	}
}