QuickTime for Java: A Developer's Notebook

Compiling QTJ Code

Once you’ve installed QuickTime and QuickTime for Java, you have everything you need to start developing QTJ applications—no separate SDK is required.

How do I do that?

You can begin by compiling a trivial application to check the QuickTime and QTJ versions, as shown in Example 1-3.

Example 1-3. Checking the version of QuickTime

package com.oreilly.qtjnotebook.ch01;
  
import quicktime.QTSession;
import quicktime.util.QTBuild;
  
public class QTVersionCheck {
  
  public static void main (String[  ] args) {
      try {
          QTSession.open( );
          System.out.println ("QT version: " +
              QTSession.getMajorVersion( ) +
              "." +
              QTSession.getMinorVersion( ));
          System.out.println ("QTJ version: " +
              QTBuild.getVersion( ) +
              "." +
              QTBuild.getSubVersion( ));
          QTSession.close( );
      } catch (Exception e) {
          e.printStackTrace( );
      }
  }
  
}

The compilation is the tricky step here. If you do a straightforward javac, bad things happen:

cadamson% javac src/com/oreilly/qtjnotebook/ch01/QTVersionCheck.java
src/com/oreilly/qtjnotebook/ch01/QTVersionCheck.java:3:
  package quicktime does not exist
import quicktime.QTSession;
               ^
src/com/oreilly/qtjnotebook/ch01/QTVersionCheck.java:4:
  package quicktime.util does not exist
import quicktime.util.QTBuild;
                    ^
src/com/oreilly/qtjnotebook/ch01/QTVersionCheck.java:10:
  cannot resolve symbol
symbol  : variable QTSession 
location: class com.oreilly.qtjnotebook.ch01.QTVersionCheck
          QTSession.open( );
          ^

Instead, you have to explicitly provide the path to QTJava.zip, which contains the QTJ classes. ...