import quicktime.*;
import quicktime.io.*;
import quicktime.std.image.*;
import quicktime.std.movies.media.*;
import quicktime.std.movies.*;
import quicktime.std.*;
import quicktime.qd.*;
import quicktime.util.QTPointer;


import java.io.*;

public class CaptionAdder {

 public static void main (String args[]) {

  if (args.length != 1){

    System.out.println("Usage: java CaptionAdder [input_filename]");

  } else {
      
    try {
     QTSession.open();     

     System.out.println ("QuickTime version: " + QTSession.getMajorVersion() + "." + 
        QTSession.getMinorVersion());

     QTFile qtfile = new QTFile(new File(args[0]));
     DataRef urlMovie = new DataRef ("file://" + qtfile.getPath());
     Movie movie = Movie.fromDataRef (urlMovie,StdQTConstants.newMovieActive);
    
     float  textTrackHeight = 32;

     QDRect movieBounds = movie.getNaturalBoundsRect();
     float  movieWidth  = movieBounds.getWidthF();
     float  movieHeight = movieBounds.getHeightF();

     Track  textTrack = movie.addTrack(movieWidth, textTrackHeight, 0);

     Matrix textTrackMatrix = textTrack.getMatrix();
     textTrackMatrix.translate (0, movieHeight - textTrackHeight);
     textTrack.setMatrix (textTrackMatrix);

     textTrack.setEnabled (true);

     int movieTimeScale = movie.getTimeScale();
     TextMedia textMedia = new TextMedia (textTrack, movieTimeScale);

       QDRect textBounds = new QDRect (movieWidth, movieHeight);

     textMedia.beginEdits();

      TimeInfo sampleTime = new TimeInfo (0, movie.getDuration()/2);
    
      String text = new String ("1234 Main St. - Listing price: $164,000");
      TextMediaHandler textMediaHandler = textMedia.getTextHandler();
      QTPointer textPointer = new QTPointer ( text.length() + 1, true );
      textPointer.copyFromArray ( 0, text.getBytes(), 0, text.length() );
      textMediaHandler.addTextSample (
        textPointer,
        QDFont.getFNum("Times"), 
        16, 
        0,
        QDColor.white,
        QDColor.black,
        QDConstants.teCenter,
        textBounds,
        StdQTConstants.dfClipToTextBox | StdQTConstants.dfKeyedText,
        0,0,0,
        null,
        sampleTime.duration );
      
     textMedia.endEdits();

     textTrack.insertMedia (sampleTime.time, 0, sampleTime.duration, 1 );
     OpenMovieFile outStream = OpenMovieFile.asWrite (qtfile); 

     movie.updateResource (outStream, StdQTConstants.movieInDataForkResID, 
        qtfile.getName());
    } catch (Exception e) {
         e.printStackTrace();
             QTSession.close();
             System.exit(0);
    }
        
               QTSession.close();

  // end else
  }

  System.out.println ("complete.");

 //end method
 }
  

}