QuickTime Kit Programming Guide - filibeto.org

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100 C H A P T E R 6 Adding Multimedia Playback Capability Figure 6-1 Opening six QuickTime movies of the user’s choosing for display in the multimedia content window of the QTKitPlayer application The window in which the movies are displayed can be resized to full screen for maximum visual impact and the toolbar at the top can be collapsed for a kiosk-like effect. The three movies displayed at the top of window contain an NSSplitView, while an NSTabView is provided for two movies and a text view below, and an NSScrollView with a movie appears in the right corner of the window. The intended effect is for some degree of user interactivity with one or all of the QuickTime movies displayed, either by splitting the views and tabbing through them, or starting and stopping the playback of each movie. If all six movies are different QuickTime VR panoramas or object movies, for example, the user will be able to point and click through a variety of landscapes or hotspots from different points of view. The result is a heightened user experience. 2005-11-09 | © 2004, 2005 Apple Computer, Inc. All Rights Reserved.
C H A P T E R 6 Adding Multimedia Playback Capability Figure 6-2 All six movies selected by the user playing in different views Users may interact as they would with a multimedia kiosk or presentation, playing each movie at a different rate using the playback commands available in the QTKitPlayer. At the programming level, each movie is simply a QTMovieView object and is intended to interact with other standard Cocoa views. The Show Movies button in the Play Multimedia Content window will launch each of the six dialogs that enable the user to choose a movie for display and playback. Users can then control the playback of each movie using the commands available in the QTKitPlayer to start, stop, go to the beginning, go to the end, show poster frame, step forward and step backward. Movies can also be controlled by toggling the spacebar to start and stop playback. Movie editing, however, is not enabled for any movie being displayed. If you’ve worked through the examples in the previous chapters, you’ll be ready to move ahead with constructing and coding the multimedia playback enhancement for your QTKitPlayer. 2005-11-09 | © 2004, 2005 Apple Computer, Inc. All Rights Reserved. 101
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QuickTime Kit Programming Guide 200
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Contents Introduction Introduction
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Figures and Tables Chapter 1 The Qu
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F I G U R E S A N D T A B L E S Fig
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I N T R O D U C T I O N Introductio
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C H A P T E R 1 The QuickTime Kit A
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C H A P T E R 2 Building a Simple Q
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C H A P T E R 3 Extending the QTKit
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QuickTime Kit Programming Guide - filibeto.org

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