QuickTime 3 Reference

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Adding Video Effects to a QuickTime Movie

This section explains the steps you need to take in order to add video effects to a QuickTime movie. The process is straightforward enough. In brief, you proceed as follows:

  1. You add a new effect track to your movie: this will contain a sample that defines the characteristics of the effect you want to add.
  2. You then create an effect description which names the particular effect you want, and supplies values for any parameters the effect has.
  3. You then create an input map , which defines which tracks in the movie are effected by the effect.
  4. Finally, you add the effect description as a new sample to the media of the effect track--this defines how long the effect will run for. As part of this process, you create a sample description , which describes the sample being added.

Creating an Effects Track

Creating an Effect Description

Creating an Input Map

Adding the Effect Description to the Track

© 1997 Apple Computer, Inc.

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