/*

 * QuickTime for Java SDK Sample Code

   Usage subject to restrictions in SDK License Agreement

 * Copyright: © 1996-1999 Apple Computer, Inc.

 */

import java.awt.*;

import java.awt.event.*;

import java.applet.*;

import java.io.IOException;

import quicktime.*;

import quicktime.io.*;

import quicktime.qd.*;

import quicktime.std.*;

import quicktime.std.movies.*;

import quicktime.std.movies.media.*;

import quicktime.app.display.*;

import quicktime.app.players.*;

import quicktime.app.time.*;

public class SoundMeter extends Frame implements Errors {

    public static void main(String args[]) {

        try {

            QTSession.open();

            SoundMeter movieWindow = new SoundMeter("QT in Java");

            movieWindow.show();

            movieWindow.toFront();

            movieWindow.openMovie (movieWindow.getMovie()); 

        } catch (Exception ex) {

            ex.printStackTrace();

            QTSession.close();

        }

    }

    private QTDrawable myPlayer;

    private QTCanvas myQTCanvas;    

    private AudioMediaHandler audioMediaHandler;

    private Track theTrack;

    private Timer timer;

    public SoundMeter (String title) throws QTException {

        super (title);

        myQTCanvas = new QTCanvas();

        add(myQTCanvas);

        Button b = new Button ("Get Movie");

        b.addActionListener (new ActionListener () {

            public void actionPerformed (ActionEvent ae) {

                openMovie (getMovie());

            }

        });

        add (b, "North");

        addWindowListener(new WindowAdapter () {

            public void windowClosing (WindowEvent e) {

                try {

                    timer.setActive(false);

                } catch (QTException ex) {}

                QTSession.close();

                System.exit(0); 

            }

            public void windowClosed (WindowEvent e) { 

                System.exit(0);

            }

        });

    }

    private QTFile getMovie () {

        try {

            return QTFile.standardGetFilePreview(QTFile.kStandardQTFileTypes);

        } catch (QTException e) {}

        return null;

    }

    public void openMovie (QTFile qtf) {        

            if (qtf == null) 

                return;

        try {

            Movie mov = Movie.fromFile (OpenMovieFile.asRead (qtf));

            // cleanup

            if (myPlayer != null) {

                myQTCanvas.removeClient();

                if (timer != null)

                    timer.setActive (false);

            }

            myPlayer = new QTPlayer (new MovieController (mov));

            myQTCanvas.setClient (myPlayer, true);

            int trackCount = mov.getTrackCount();       

            for( int i = 1; i <= trackCount; i++) {

                theTrack = mov.getTrack(i);

                Media media = Media.fromTrack (theTrack);;

                MediaHandler handler = media.getHandler();

                if (handler instanceof AudioMediaHandler) {

                    int numBands = 52;

                    int[] freq = new int [numBands];

                    freq[0] = 250;

                    for (int k = 1; k < numBands; k++) 

                        freq[k] = freq[k-1] + 500;

                    /*freq[0] = 50;

                    freq[1] = 125;

                    freq[2] = 200;

                    freq[3] = 400;

                    freq[4] = 800;

                    freq[5] = 1000;

                    freq[6] = 2000;

                    freq[7] = 4000;

                    freq[8] = 8000;

                    freq[9] = 12000;

                    freq[10] = 18000;

                    freq[11] = 26000;*/

                    audioMediaHandler = (AudioMediaHandler)handler;

                    //set up the timer to display the freq info

                    timer = new Timer (1, 1, new StatusPrinter (audioMediaHandler, numBands, freq), mov) ;

                    MediaEQSpectrumBands eqm = new MediaEQSpectrumBands (numBands);

/*                  eqm.setFrequency (0, 55);

                    eqm.setFrequency (1, 110);

                    eqm.setFrequency (2, 220);

                    eqm.setFrequency (3, 440);

                    eqm.setFrequency (4, 880);

                    eqm.setFrequency (5, 1760);

                    eqm.setFrequency (6, 3520);

                    eqm.setFrequency (7, 7040);

                    eqm.setFrequency (8, 14080);

*/

                    for (int j = 0; j < numBands; j++) 

                        eqm.setFrequency (j, freq[j]);

                // this sets up the eq

                // NOTE: MUST call set first or eq won't be enabled correctly               

                    audioMediaHandler.setSoundEqualizerBands (eqm);

                    System.out.println (audioMediaHandler.getSoundEqualizerBands(numBands));

                    audioMediaHandler.setSoundLevelMeteringEnabled (true);

                    System.out.println ("Metering enabled:" + audioMediaHandler.getSoundLevelMeteringEnabled());

            //      int[] bt = audioMediaHandler.getSoundBassAndTreble();

            //      System.out.println ("Balance :" + audioMediaHandler.getBalance () + " Bass :" + bt[0] +  " Treble : " + bt[1] + " TrackVolume : " + theTrack.getVolume() + "\n");

                    timer.setActive (true);         

                    pack();

                }

            }

                    System.out.println ("MOVIE:" + qtf.getName());

        } catch (QTException e) {

            e.printStackTrace();

        }

    }

    // example of how to do this

    private void setBassTreble() throws QTException {

        System.out.println ("Set Balance, Bass, Treble, TrackVolume");

        theTrack.setVolume(0.1F);

        audioMediaHandler.setSoundBassAndTreble(10, 0);

        audioMediaHandler.setBalance (0.5F);

    }   

}