---

Road Map to QuickTime 4

Authoring Wired Movies and Sprite Animations

This chapter describes how you can author wired movies and sprite animations using the sprite media handler. You use the functions provided by the sprite media handler to create and manipulate a sprite animation as a track in a QuickTime movie. You can also use the functions provided by the sprite media handler to create and manipulate a wired sprite movie with various types of user interactivity.

The chapter is illustrated with code snippets from the sample program, QTWiredSprites.c .

This chapter also discusses HREFTracks and some of the new authoring features provided in QuickTime 4.

For more information about the sprite media handler, including the constants and functions available to your application, see Sprite Media Handler.

QuickTime Wired Movies describes how to create and manipulate a sprite animation as a track in a QuickTime movie. Extensive code samples are included.

• Defining a Key Frame Sample
• Defining Override Samples
• Setting Properties of the Sprite Track
• Getting Sprite Data From a Modifier Track

QuickTime Wired Movies describes how to create and manipulate a wired sprite movie with various types of user interactivity. A great deal of illustrative sample code is included.

• Actions of the First Penguin
• Actions of the Second Penguin
• Creating a Wired Sprite Movie
• Assigning the No Controller to the Movie
• Setting Up the Sprite Track's Properities
• Adding an Event Handler to the Penguin
• Adding a Series of Actions to the Penguins
• Important Things to Note in the Sample Code

QuickTime Wired Movies describes how to author movies with external movie targets. To accomplish this, two new target atoms are introduced.

• Specifying an External Movie Target for an Action
• Supporting External Movie Targets in Your Application
• New Grammar for Specifying String Parameters to Actions and Operands

QuickTime Wired Movies describes how to wire a movie by adding an HREFTRack, which causes the QuickTime plug-in to load URLs when a movie plays or in response to user actions.

• About HREFTracks
• HREFTrack Syntax
• Creating an HREFTrack