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Java - JMF Simple Filter

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 ******/
}

Java - Mini Lettore Wav

// Piccolissimo Lettore Audio per Java

package Multimedia;

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

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


package Multimedia;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.io.File;

import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class AudioGUI extends JFrame implements WindowListener
{
	public AudioGUI()
	{
		this.setTitle("AudioSystem");
		this.setSize(240, 100);
		this.setResizable(false);
		
		this.addWindowListener(this);
		
		Container gc = this.getContentPane();
		gc.add(new AudioGUIPan());
		
		this.setVisible(true);
	}

	public void windowOpened(WindowEvent e)
	{
		
	}

	public void windowClosing(WindowEvent e)
	{
		System.exit(0);
	}

	public void windowClosed(WindowEvent e)
	{
		
	}

	public void windowIconified(WindowEvent e)
	{
		
	}

	public void windowDeiconified(WindowEvent e)
	{
		
	}

	public void windowActivated(WindowEvent e)
	{
		
	}

	public void windowDeactivated(WindowEvent e)
	{
		
	}
}

class AudioGUIPan extends JPanel implements ActionListener
{
	private JButton play;
	private JButton stop;
	private JButton loop;
	private JButton open;
	private JButton close;
	
	private JFileChooser jfc;
	
	private String file;
	
	private AudioDevice ad;
	
	public AudioGUIPan()
	{
		play = new JButton("Play");
		play.addActionListener(this);
		stop = new JButton("Stop");
		stop.addActionListener(this);
		open = new JButton("Open");
		open.addActionListener(this);
		close = new JButton("Close");
		close.addActionListener(this);
		
		this.add(stop);
		this.add(play);
		this.add(open);
		this.add(close);
	}

	public void actionPerformed(ActionEvent e)
	{
		if(e.getSource() == close)
		{
			System.exit(0);
		}
		else if(e.getSource() == open)
		{
			jfc = new JFileChooser();
			jfc.setFileFilter(new AudioFilter());
			
			if(jfc.showOpenDialog(this) != JFileChooser.CANCEL_OPTION)
			{
				file = jfc.getSelectedFile().getAbsolutePath();
				ad = new AudioDevice(new File(file));
			}
		}
		else if(e.getSource() == play)
		{
			if(ad != null)
				ad.play();
		}
		else if(e.getSource() == stop)
		{
			if(ad != null)
				ad.stop();
		}
	}
}


package Multimedia;
import java.io.File;

import javax.swing.filechooser.FileFilter;

public class AudioFilter extends FileFilter
{
	public boolean accept(File f)
	{
		return f.getName().toLowerCase().endsWith(".wav") || f.isDirectory();
	}

	public String getDescription()
	{
		return "Audio File *.wav";
	}
}


package Multimedia;

import java.applet.Applet;
import java.applet.AudioClip;
import java.io.File;
import java.net.MalformedURLException;

public class AudioDevice implements AudioClip
{
	private AudioClip ac;
	public AudioDevice(File f)
	{		
		try
		{
			ac = Applet.newAudioClip(f.toURL());
		}
		catch(MalformedURLException e)
		{
			e.printStackTrace();
		}
	}
	
	public void play()
	{
		ac.play();
	}

	public void stop()
	{
		ac.stop();
	}

	public void loop()
	{
		
	}
}
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