QuickTime 3 Reference

What's New in QuickTime 3

QuickTime 3 contains many features that are new or substantially improved. This section gives you a brief overview of them.

Support for Access Keys, which control access to encrypted data.
Support for Compressed Movie Resources. For information about the storage format for compressed movie resources, see QuickTime File Format: Compressed Movie Resources.
Support for DV audio and video. Compressor and decompressor components for DV video are described in New Image Compressor Components. A decompressor component for DV audio is described in DV Audio Decompressor Component. Data exchange components for DV video are described in DV Video Import and Export Components. For a description of the file format for DV video data, see DV Files.
The ability to specify the size of the image buffer for image compressor or decompressor components. For an introduction to this feature, see Specifying the Size of an Image Buffer.
The ability to store captured data in multiple files. For an introduction to this feature, see Storing Captured Data in Multiple Files and Capturing to Multiple Files.
The ability to export data from sources other than movies. For an introduction to this feature, see Exporting Data from Sources Other Than Movies.
Simpler implementation of movie data export components. For an introduction to this feature, see Implementing Movie Data Export Components.
Support for video output devices other than monitors. This feature is described in Video Output Components.
Support for adding new compressor and decompressor components is described in Data Codec Components.
The standard sound dialog component lets applications display a dialog for configuring their sound settings and get the settings that the user provides.
The Base Image Decompressor is a component that performs tasks for image decompressor components, including the scheduling of asynchronous decompression operations.
Support for real-time video effects is described in QuickTime Video Effects.
Support for Progressive Downloads.
Support for MIME types in graphics importer and movie data exchange components. For an introduction to MIME type support for movie import components, see Getting a List of Supported MIME Types and MIME Type List (in Data Exchange Components). For information about MIME type support for graphics import components, see Getting MIME Types and MIME Type List (in Graphic Importer Components).
Support for aliases to components. For an introduction to this feature, see Component Aliases.
Functions that permit decompression at interrupt time. For an introduction to this feature, see Compressing or Decompressing During Interrupt Time and Performing Compression and Decompression at Inturrupt Time.
Support for vector-based graphics. For an introduction to these features, see QuickTime Vectors.
Wired Sprites, a type of sprite that can be "wired" for interactivity.