/*

 File: SoundRecord.java

 Abstract: Records audio input using the QuickTime sequence grabber

 Version: 1.1

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 */ 

import java.awt.*;

import java.awt.event.*;

import quicktime.*;

import quicktime.util.QTUtils;

import quicktime.io.*;

import quicktime.std.StdQTConstants;

import quicktime.std.sg.*;

import quicktime.std.movies.*;

public class SoundRecord extends Frame implements StdQTConstants, Runnable, Errors {    

    public static void main (String args[]) {

        SoundRecord sr = new SoundRecord ("Sound Recording");

        sr.show();

        sr.toFront();

    }

    void createSGObject() throws QTException {

            mGrabber = new SequenceGrabber();                   

            mAudio = new SGSoundChannel (mGrabber);

            SGDeviceList dl = mAudio.getDeviceList (0);

            SGDeviceName name = dl.getDeviceName (0);

            System.out.println (dl + "" +  name);

            System.out.println (mAudio.getInputDriver());

            mAudio.setUsage (seqGrabRecord);

            t = new Thread (this,"SoundRecord Idle Method");            

    }

    SoundRecord (String title) {

        super (title);

        try {

            QTSession.open();

            System.out.println ("Make sure you have connected an Input device or have a built in audio input device.");

            createSGObject();

        } catch (Exception ee) {

            ee.printStackTrace();

            QTSession.close();

        }

        setLayout(new GridLayout(1, 3, 2, 2));

        add (startButton);

        add (settingsButton);

        startButton.addActionListener (new ActionListener () {

            public void actionPerformed (ActionEvent event) {

                try{

                    createMovie();

                    if (mGrabber == null)

                        createSGObject();

                    mGrabber.setDataOutput (recordFile, seqGrabToDisk);

                    mGrabber.prepare(true, true);

                    mGrabber.startRecord();

                    t.start();

                    recording = true;

                    recordNotice = new Frame("Recording");

                    recordNotice.setLayout(new GridLayout(1, 3, 2, 2));

                    recordNotice.add (stopButton);

            stopButton.addActionListener (new ActionListener () {

                public void actionPerformed (ActionEvent event) {

                    if (recording) {

                        try {

                            tStop = true;

                            mGrabber.stop();    //stop record

                            recordNotice.hide();

                            recordNotice = null;

                            recording = false;

                            mGrabber.disposeChannel (mAudio);

                            mAudio = null;

                            mGrabber.release();

                            mGrabber = null;

                            showMovie();

                        } catch (QTException ee) {

                            ee.printStackTrace();

                        }

                    }

                }

            });                 

                    recordNotice.setBounds (40, 40, 200, 100);

                    recordNotice.show();

                    recordNotice.toFront();

                } catch (QTException ee){

                    ee.printStackTrace();

                }   

            }

        });

        settingsButton.addActionListener (new ActionListener () {

            public void actionPerformed (ActionEvent event) {

                try{

                    if (mAudio == null) {

                        createSGObject();

                    }

                    if (recording == false)

                        mAudio.settingsDialog ();

                } catch (QTException ee){

                    ee.printStackTrace();

                }   

            }

        });

//      t = new Thread (this);

        addNotify();

        Insets insets = getInsets();

        setBounds (0, 0, (insets.left + insets.right + 220), (insets.top + insets.bottom + 16));

        addWindowListener (new WindowAdapter () {

            public void windowClosing (WindowEvent e) {

                try {

                 if (mGrabber != null) 

                    mGrabber.stop();    //stop preview

                    if (recording) 

                        tStop = true;

                    if (mAudio != null)

                        mGrabber.disposeChannel (mAudio);

                } catch (QTException ee) {

                    ee.printStackTrace();

                }

                QTSession.close();

                dispose();

            }

            public void windowClosed (WindowEvent e) { 

                System.exit(0);

            }

        });

    }

    private SGSoundChannel mAudio;

    private Button startButton = new Button("Record");

    private Button stopButton  = new Button("Stop");

    private Button settingsButton = new Button("Settings");

    private SequenceGrabber mGrabber;

    private Thread t;

    private boolean recording = false;

    private QTFile recordFile;

    private Frame recordNotice;

    private boolean tStop = false;

    void createMovie () throws QTException {

    // We need to run the GC here to clean up any objects that

    // have been allocated. The Play movie frame does

    // not deallocate QT objects within that frame until the 

    // frame is disposed of completely 

        QTUtils.reclaimMemory();

        FileDialog fd = new FileDialog (this, "Save Movie As...", FileDialog.SAVE);

        fd.show();

        if(fd.getFile() == null)

            throw new QTIOException (userCanceledErr, "");

        recordFile = new QTFile(fd.getDirectory() + fd.getFile());

    }

    void showMovie () {

        PlayMovie pm = new PlayMovie(recordFile);

        pm.show();

        pm.toFront();

    }

    public void run () {

        try {

            for (;;) {

                mGrabber.idle();

                Thread.sleep(20);

                if (tStop == true)

                    break;

            }

        } catch (Exception e) {

             e.printStackTrace();

        }

    }

}