Java - JMF Simple Filter

whitetiger () — Wed, 01 Nov 2006 06:00:23 GMT



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			{

				if(in.matches(out[i]))

					return out[i];

			}

		}

		

		return null;

	}

	/****** Utility ******/

}

Java - Example Very Simple Player (JMF)

whitetiger () — Fri, 27 Oct 2006 15:53:37 GMT

// Main Class



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();

	}

}

// Frame Class



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);

	}

}

// Panel Class



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);

		}

	}

}

DZone Snippets: movie code

Java - JMF Simple Filter

Java - Example Very Simple Player (JMF)