/*

File: ImportExport.java

Abstract: Programmatically exports a movie with user-customized settings.

Version: 1.2

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*/

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.clocks.*;

import quicktime.std.StdQTConstants;

import quicktime.std.image.*;

import quicktime.std.movies.*;

import quicktime.std.movies.media.*;

import quicktime.std.qtcomponents.*;

import quicktime.util.*;

import quicktime.app.view.*;

public class ImportExport extends Frame implements StdQTConstants, IOConstants,  Errors {   

    public static void main (String args[]) {

        try { 

            QTSession.open();

            ImportExport ie = new ImportExport("Import Export");

            ie.pack();

            ie.show();

            ie.toFront();

        } catch (Exception e) {

            e.printStackTrace();

            QTSession.close();

        }

    }

    ImportExport (String title) throws Exception {

        super (title);

        Button importBtn = new Button ("Import Media");

        importBtn.addActionListener (new ActionListener () {

            public void actionPerformed (ActionEvent ae) {

                importMedia();

            }

        });

        add (importBtn, "North");

        Button refMovieButton = new Button ("Reference Movie");

        refMovieButton.addActionListener (new ActionListener () {

            public void actionPerformed (ActionEvent ae) {

                makeReferenceMovie();

            }

        });

        add (refMovieButton, "Center");

        Button exportButton = new Button ("Export Movie");

        exportButton.addActionListener (new ActionListener () {

            public void actionPerformed (ActionEvent ae) {

                exportMovie();

            }

        });

        add (exportButton, "South");

        addWindowListener(new WindowAdapter () {

            public void windowClosing (WindowEvent e) {

                QTSession.close();

                dispose();

            }

            public void windowClosed (WindowEvent e) { 

                System.exit(0);

            }

        });    

    }

    QTComponent component;

    void importMedia () {

        QTFile importFile = null;

        try {

            FileDialog importFileDialog = new FileDialog (this, "Choose Movie to Import...", FileDialog.LOAD);

            importFileDialog.show();

            if (importFileDialog.getFile() == null)

                return;

            importFile = new QTFile (importFileDialog.getDirectory() + importFileDialog.getFile());

                // Import ANY media into QuickTime

                // Media files are first opened by QuickTime using OpenMovieFile.asRead.  A new Movie is created 

                // using Movie.fromFile which imports the media from the file. A MovieController

                // is then created using the Movie, and a new QTComponent is created using QTFactory.makeQTComponent.

                // The returned QTComponent can be added to a Java AWT frame.

                if (component != null) {

                    component.setMovieController(new MovieController(Movie.fromFile (OpenMovieFile.asRead (importFile))));

                }else {

                    displayMovie(Movie.fromFile (OpenMovieFile.asRead (importFile)));

                }

                //resizes the frame to the size of the new QTCanvas and buttons.

                // the QTCanvas' size will be the size of the media

            pack();

        } catch (QTException err) {

            if (err.errorCode() == userCanceledErr) return;

            err.printStackTrace();

        }

    }

    void displayMovie (Movie m) throws QTException {

        component = QTFactory.makeQTComponent (new MovieController (m));

        add ((Component)component, "East");

        pack();

        show();

    }

    void makeReferenceMovie () {

        try{

            FileDialog openFileDialog = new FileDialog (this, "Choose Movie to Reference...", FileDialog.LOAD);

            openFileDialog.show();

            if (openFileDialog.getFile() == null)

                return;

            QTFile movieFile = new QTFile (openFileDialog.getDirectory() + openFileDialog.getFile());

            FileDialog saveFileDialog = new FileDialog (this, "New Movie to create...", FileDialog.SAVE);

            saveFileDialog.show();

            if (saveFileDialog.getFile() == null) {

                return;

            }

            makeReferenceMovie (movieFile, saveFileDialog.getDirectory() + saveFileDialog.getFile());           

        } catch (QTException err) {

            if (err.errorCode() == userCanceledErr) return;

            err.printStackTrace();

        }

    }

        //makes a new movie that reference the data in an existing movie

    void makeReferenceMovie (QTFile movieFile, String outputPath) throws QTException {      

        // Create the movie object from the original movie

        Movie theMovie = Movie.fromFile (OpenMovieFile.asRead (movieFile));

        if (component != null) {

            component.setMovieController(new MovieController(theMovie));

        } else {

            displayMovie (theMovie);

        }

        QTFile outputMovie = new QTFile (outputPath);

        boolean creatingReferenceMovie = true;

            // this leaves data in existing movieFile

        if (creatingReferenceMovie) {

                //shortcut movies are movies that just contain a reference

                //to another movie. They are only available in QT 4 or above

            boolean createShortCutMovie = false;

            if (createShortCutMovie && QTSession.getQTMajorVersion() > 3) {

                    //make a Data ref out of a URL that references the movie

                DataRef targetDataRef = new DataRef ("file://" + movieFile.getPath());

                    //make the very small short cut movie

                outputMovie.createShortcutMovieFile (kMoviePlayer, smSystemScript, createMovieFileDeleteCurFile, targetDataRef);

            } else {

                    // this create's a "medium" cut movie - same principle as the shortcut movie

                    // it is a movie that gets its media data from another movie

                // create the new movie file, deleting existing file if there

                outputMovie.createMovieFile (kMoviePlayer, createMovieFileDeleteCurFile);

                // add a reference to all of the media in the existing media file

                // The outputMovie file now contains a reference and dependency on the existing media file

                OpenMovieFile outStream = OpenMovieFile.asWrite (outputMovie);

                theMovie.addResource (outStream, movieInDataForkResID, outputMovie.getName());

                outStream.close();

            }

        } else {

            // this will copy data to the new file

        //if the application wanted to remove this dependency it could flatten the existing movie

        // to the new movie file instead of the addResource calls that were made above

        // the createMovieFile call would not be required in this case

            int movieFlattenFlags = 0; //see docs to specify options here

            theMovie.flatten (movieFlattenFlags, 

                                    outputMovie, 

                                    kMoviePlayer,

                                    smSystemScript, 

                                    createMovieFileDeleteCurFile, 

                                    movieInDataForkResID, 

                                    outputMovie.getName());

        }

    }   

    void exportMovie () {

        try{

            FileDialog efd = new FileDialog (this, "Choose Movie to Export...", FileDialog.LOAD);

            efd.show();

            if (efd.getFile() == null)

                return;

            QTFile movieFile = new QTFile (efd.getDirectory() + efd.getFile());

            exportMovie (movieFile);

        } catch (QTException err) {

            err.printStackTrace();

        }

    }

        //export (to a movie) the incoming movie

        //user dialog allows user to customise media formats and tracks that are exported

    void exportMovie (QTFile movieFile) throws QTException {        

        // Create the movie object from the original movie

        Movie theMovie = Movie.fromFile (OpenMovieFile.asRead (movieFile));

        if (component != null) {

            component.setMovieController(new MovieController(theMovie));

        } else {

            displayMovie (theMovie);

        }

            //we do this in a different thread because exporting can take some time

            // and the event thread should not be blocked for so long

        new Thread (new Runner (theMovie)).start();

    }

    static class Runner implements Runnable {

        Runner (Movie mov) {

            theInputMovie = mov;

        }

        Movie theInputMovie;

        public void run () {

            try {

                    //this determines both the exporter type, the resulting file type.

                    // thus one could specify this to be AIFF and the resulting file will be an AIFF file

                    // - in this case the result will be a movie.

                int exportType = kQTFileTypeMovie;

                    //an application can alternatively configure exporter through setting

                    // up the exporter in code to conform to the format appropriate

                boolean useMovieConvertFile = true;     

                if (useMovieConvertFile) {

                        //set the progress proc of the movie so that it gives the user feedback

                    theInputMovie.setProgressProc();

                        //do the export of the movie - all tracks as specified by user in dialog

                        // with the showUser... flag QT itself will display a dialog to the user

                        // to save the exported file. The Name of the file in that dialog is the name we specify

                        // in this case "Export Movie"

                    theInputMovie.convertToFile (new QTFile ("Export Movie"), exportType, kMoviePlayer, IOConstants.smSystemScript, showUserSettingsDialog);

                } else {

                    FileDialog exportFileDialog = new FileDialog (new Frame(), "Export Movie to...", FileDialog.SAVE);

                    exportFileDialog.show();

                    if (exportFileDialog.getFile() == null)

                        return;

                    QTFile outFile = new QTFile (exportFileDialog.getDirectory() + exportFileDialog.getFile());

                    // Create a movie exporter so we can customise its settings

                    // this could also be used in the convertToFile version, but

                    // if we don't have custom settings then we allow the convertToFile

                    // to create the exporter for us - based on the exportType we pass to it.

                    MovieExporter theMovieExp = new MovieExporter (exportType);

                    // Set export settings from the user.

                    theMovieExp.doUserDialog (theInputMovie, null, 0, theInputMovie.getDuration());

                    //this returns a dupFNErr on windows and is also more work for the application

                        // create the output file but don't open it

                    outFile.createMovieFile (kMoviePlayer, createMovieFileDeleteCurFile);

                        //set a progress proc - we just print out to System.out

                    theMovieExp.setProgressProc (new MovieProgress () {

                        public int execute (Movie mov, int message, int whatOperation, float percentDone) {

                            System.out.println (mov + ",message=" + Integer.toHexString(message) + "," + ",what=" + Integer.toHexString(whatOperation) + ",%=" + percentDone);

                            return 0;

                        }

                    });

                        // do the export of the movie

                    theMovieExp.toFile (outFile, theInputMovie, null, 0, theInputMovie.getDuration());

                }

            } catch (QTException e) {

                e.printStackTrace();

            }

        }

    }

}