import javax.sound.sampled.*; 
import java.applet.Applet; 
import java.awt.*; 
import java.awt.event.*; 
import java.io.*; 
import java.awt.image.*; 
import java.net.URL; 

public class Muusika2 extends Applet implements MouseMotionListener, Runnable, ActionListener{ 

	Label fn= new Label ("Faili nimi:"); 
	Label ss= new Label ("Sagedus:"); 
	Label kd= new Label ("Korda:"); 
	Button piiksu=new Button("Piiksu"); 
	Button salvesta=new Button("Salvesta"); 
	Button kaja= new Button("Kaja"); 
	Button madalam= new Button("Madalam"); 
	Button pikenda= new Button("Pikenda"); 
	Button poora= new Button("Pööra"); 
	TextField fail=new TextField("toodeldud.au"); 
	TextField pkorgus=new TextField("440"); 
	TextField kordi=new TextField("2"); 

	ByteArrayOutputStream hoidla=new ByteArrayOutputStream(); 
	int kandesagedus =10000; 
	byte[] andmed=new byte[kandesagedus/4]; 
	int korgus=800; 
	int korgus2=500; 
	double eelsag; 
	double eelsag1; 
	SourceDataLine line; 
	AudioFormat formaat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, kandesagedus, 8, 1, 1, kandesagedus, false); 

	public Muusika2(){ 
		addMouseMotionListener(this); 
		Panel p=new Panel(new GridLayout(1, 2)); 
		Panel pp=new Panel(new GridLayout(1, 2)); 
		p.add(fn); 
		p.add(fail); 
		p.add(ss); 
		p.add(pkorgus); 
		p.add(piiksu); 
		piiksu.addActionListener(this); 
		p.add(kd); 
		p.add(kordi); 
		p.add(pikenda); 
		pikenda.addActionListener(this); 
		pp.add(kaja); 
		kaja.addActionListener(this); 
		pp.add(poora); 
		poora.addActionListener(this); 
		pp.add(madalam); 
		madalam.addActionListener(this); 
		pp.add(salvesta); 
		salvesta.addActionListener(this); 

		setLayout(new BorderLayout()); 
		add(p, BorderLayout.NORTH); 
		add(pp, BorderLayout.SOUTH); 
		try{ 
		   line = (SourceDataLine) AudioSystem.getLine( 
		   new DataLine.Info(SourceDataLine.class, formaat, AudioSystem.NOT_SPECIFIED) 
		   ); 
		   line.open(formaat); 
		   line.start(); 
		}catch(Exception viga){viga.printStackTrace();} 
		koostaAndmed(); 
		new Thread(this).start(); 
	} 

	void koostaAndmed(){ 
		int sagedus=korgus; 
		int sagedus2=korgus2; 
		int nr=0; 
		while(nr<andmed.length){ 
	             andmed[nr]=(byte)((50*Math.sin(2*Math.PI*nr*sagedus/kandesagedus+eelsag1))+(50*Math.sin(2*Math.PI*nr*sagedus2/kandesagedus+eelsag))); 
	   	     nr++; 
		} 
		hoidla.write(andmed, 0, andmed.length); 
		eelsag = 2*Math.PI*nr*sagedus2/kandesagedus+eelsag; 
		eelsag1 = 2*Math.PI*nr*sagedus/kandesagedus+eelsag1; 
	} 
	public void mouseDragged(MouseEvent e){} 
	public void mouseMoved(MouseEvent e){ 
		korgus=e.getY(); 
		korgus2=e.getX(); 
	} 

	public void actionPerformed(ActionEvent e){ 
		try{ 
			if(e.getSource()==piiksu){ 
				try{ 
					int sagedus=(int)(Double.parseDouble(pkorgus.getText())); 
					int kandesagedus =10000; 
					int nr=0; 
					double tous_oktaavites=2; 
					byte[] andmed=new byte[5*kandesagedus]; 
					while(nr<andmed.length){ 
					     andmed[nr]=(byte)(100*Math.sin(2*Math.PI*nr* 
					     Math.pow(2, nr*tous_oktaavites/andmed.length)*sagedus/kandesagedus)); 
					     nr++; 
					} 
					AudioFormat formaat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,kandesagedus, 8, 1, 1, kandesagedus, false); 
					SourceDataLine line = (SourceDataLine) AudioSystem.getLine( 
					     new DataLine.Info(SourceDataLine.class, formaat, AudioSystem.NOT_SPECIFIED) 
					); 
					line.open(formaat); 
					line.start(); 
					line.write(andmed, 0, andmed.length); 
					line.close(); 
				}catch(Exception ex){ex.printStackTrace();} 
			} 
			if(e.getSource()==poora){ 
				AudioInputStream sisse=AudioSystem.getAudioInputStream(new File(fail.getText())); 
				ByteArrayOutputStream malu=new ByteArrayOutputStream(); 
			   	int n; 
			   	int nr=sisse.read(); 
			   	while(nr!=-1){ 
			 		malu.write(nr); 
					nr=sisse.read(); 
			   	} 
			   	byte[] maluBaidid=malu.toByteArray(); 
			   	byte[] kogum = new byte[2* maluBaidid.length]; 
			   	for(nr=0; nr<maluBaidid.length; nr++){ 
					kogum[nr]=maluBaidid[nr]; 
			   	} 
			   	n = nr; 
			   	for(nr=(int)(maluBaidid.length); nr==0; nr--){ 
			   		kogum[n]=maluBaidid[nr]; 
			   		n++; 
			   	} 
			   	AudioInputStream ais=new AudioInputStream( 
			   		new ByteArrayInputStream(kogum), sisse.getFormat(), kogum.length 
			   	); 
			   	AudioSystem.write(ais, AudioFileFormat.Type.AU, new File("poora.au")); 
			} 
			if(e.getSource()==pikenda){ 
			   	AudioInputStream sisse=AudioSystem.getAudioInputStream(new File(fail.getText())); 
			   	ByteArrayOutputStream malu=new ByteArrayOutputStream(); 
			   	int n; 
			   	int loe; 
			   	int k=(int)(Double.parseDouble(kordi.getText())); 
			   	int nr=sisse.read(); 
			   	while(nr!=-1){ 
			   		malu.write(nr); 
			   		nr=sisse.read(); 
			   	} 
			   	byte[] maluBaidid=malu.toByteArray(); 
			   	byte[] kogum = new byte[k* maluBaidid.length]; 
   			   	for(nr=0; nr<maluBaidid.length; nr++){ 
					kogum[nr]=maluBaidid[nr]; 
			   	} 
			   	n = nr; 
			   	for(loe=1; loe<k; loe++){ 
			   		for(nr=0; nr<maluBaidid.length; nr++){ 
			   			kogum[n]=maluBaidid[nr]; 
			   			n++; 
			   		} 
			   	} 
			   	AudioInputStream ais=new AudioInputStream( 
					new ByteArrayInputStream(kogum), sisse.getFormat(), kogum.length 
			   	); 
			   	AudioSystem.write(ais, AudioFileFormat.Type.AU, new File("pikenda.au")); 
			} 
			if(e.getSource()==kaja){ 
				AudioInputStream sisse=AudioSystem.getAudioInputStream(new File(fail.getText())); 
			   	ByteArrayOutputStream malu=new ByteArrayOutputStream(); 
			   	int n; 
			   	int nr=sisse.read(); 
			   	while(nr!=-1){ 
					malu.write(nr); 
					nr=sisse.read(); 
			   	} 
			   	byte[] maluBaidid=malu.toByteArray(); 
			   	byte[] kogum = new byte[2* maluBaidid.length]; 
			   	for(nr=0; nr<maluBaidid.length; nr++){ 
			   		kogum[nr]=maluBaidid[nr]; 
			   	} 
			   	n = nr; 
			   	System.out.println(maluBaidid.length); 
			   	for(nr=0; nr<maluBaidid.length; nr++){ 
					if(nr==(maluBaidid.length-6500)){ 
						for(nr=(maluBaidid.length-6500);nr<(maluBaidid.length-300); nr++){ 
							maluBaidid[nr]=(byte)(maluBaidid[nr]/10); 
							kogum[n]=maluBaidid[nr]; 
							n++; 
						} 
					} 
					kogum[n]=maluBaidid[nr]; 
					n++; 
			   	} 
			   	AudioInputStream ais=new AudioInputStream( 
			   		new ByteArrayInputStream(kogum), sisse.getFormat(), kogum.length 
			   	); 
			   	AudioSystem.write(ais, AudioFileFormat.Type.AU, new File("kaja.au")); 
				} 
			if(e.getSource()==madalam){ 
				AudioInputStream sisse=AudioSystem.getAudioInputStream(new File(fail.getText())); 
				ByteArrayOutputStream malu=new ByteArrayOutputStream(); 
				int n; 
				int nr=sisse.read(); 
				while(nr!=-1){ 
					malu.write(nr); 
					nr=sisse.read(); 
				} 
				byte[] maluBaidid=malu.toByteArray(); 
				byte[] kogum = new byte[2* maluBaidid.length]; 
				for(nr=0; nr<maluBaidid.length; nr++){ 
					kogum[nr]=maluBaidid[nr]; 
				} 
				n = nr; 
				for(nr=0; nr<maluBaidid.length; nr++){ 
					maluBaidid[nr]=(byte)(maluBaidid[nr]/2); 
					kogum[n]=maluBaidid[nr]; 
					n++; 
				} 
				AudioInputStream ais=new AudioInputStream( 
					new ByteArrayInputStream(kogum), sisse.getFormat(), kogum.length 
				); 
				AudioSystem.write(ais, AudioFileFormat.Type.AU, new File("madalda.au")); 
			} 
			if(e.getSource()==salvesta){ 
				try{ 
					byte[] hoidlaBaidid=hoidla.toByteArray(); 
					AudioInputStream ais=new AudioInputStream( 
						new ByteArrayInputStream(hoidlaBaidid), formaat, hoidlaBaidid.length 
					); 
					AudioSystem.write(ais, AudioFileFormat.Type.AU, new File("toodeldud.au")); 
				}catch(Exception ex){ 
					ex.printStackTrace(); 
				} 
			} 
		  }catch(Exception ex){} 
	}       
	public void run(){ 
	   while(true){ 
		koostaAndmed(); 
		try{ 
			line.write(andmed, 0, andmed.length); 
		}catch(Exception ex){ex.printStackTrace();} 
	   } 
	} 
	public static void main(String[] argumendid){ 
		Frame f=new Frame("Muusika"); 
		Muusika2 p=new Muusika2(); 
		f.add(p); 
		f.setSize(480, 500); 
		f.setVisible(true); 
	} 
}