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QuickTime applications can run on Mac OS X and Microsoft Windows. QuickTime content plays on Mac and Windows computers and on many handheld devices. Content can be served by progressive download from any web server or as real-time streams from streaming servers on all major operating systems. QuickTime supports dozens of file and compression formats for images, video, and audio.

A guided introduction and learning path for developers new to QuickTime.   Essential information for developers using QuickTime.   API references organized by framework.
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QTCaptureLayer Reference (HTML) (PDF)
New document that describes the Objective-C class for creating a QuickTime capture layer.
Cocoa 2007-10-31
QTMovie Class Reference (HTML) (PDF)
Describes the class for managing QuickTime movies.
Cocoa 2007-10-31
QTMovieLayer Reference (HTML) (PDF)
Describes the Objective-C class for creating a QuickTime movie layer.
Cocoa 2007-10-31
QuickTime Kit Framework Reference (HTML) (PDF)
Updates the Objective-C API for working with new QuickTime capture and movie layer classes in Cocoa applications.
Cocoa 2007-10-31
QuickTime File Format Specification (HTML) (PDF)
Describes the file format and internal data structures of QuickTime movies.
File Format Specification 2007-09-04
QTCaptureConnection Reference (HTML) (PDF)
Describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-23
QTCaptureFileOutput Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-23
QTCompressionOptions Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-23
QTFormatDescription (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-23
QTSampleBuffer Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-23
QTCaptureDevice Class Reference (HTML) (PDF)
Describes the Objective-C class for supporting and working with QuickTime Capture.
Cocoa 2007-07-22
QTCaptureAudioPreviewOutput Class Reference (HTML) (PDF)
Describes the Objective-C class for an output destination used to preview the audio being captured.
Cocoa 2007-07-19
QTCaptureDecompressedVideoOutput Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-19
QTCaptureDeviceInput Class Reference (HTML) (PDF)
Describes the Objective-C class for supporting and working with QuickTime Capture.
Cocoa 2007-07-19
QTCaptureInput Class Reference (HTML) (PDF)
Describes the Objective-C class that provides input source connections.
Cocoa 2007-07-19
QTCaptureMovieFileOutput Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-19
QTCaptureOutput Class Reference (HTML) (PDF)
Describes the Objective-C class that provides output destination.
Cocoa 2007-07-19
QTCaptureSession Class Reference (HTML) (PDF)
Describes the Objective-C class that is the primary interface for capturing media streams.
Cocoa 2007-07-19
QTCaptureVideoPreviewOutput Class Reference (HTML) (PDF)
Describes the Objective-C class for an output destination used to preview the video being captured.
Cocoa 2007-07-19
QTCaptureView Class Reference (HTML) (PDF)
Describes the Objective-C class that displays a video preview of a capture session.
Cocoa 2007-07-19
QuickTime Kit Capture Constants Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2007-07-19
QuickTime Kit Reference Update (HTML) (PDF)
Summarizes the symbols added to the QuickTime Kit framework.
Cocoa 2007-07-18
QuickTime Reference Update (HTML) (PDF)
Summarizes the symbols added to the QuickTime framework.
General 2007-07-18
NSCoder_QTKitAdditions Reference (HTML) (PDF)
Describes the API for managing QuickTime categories on the NSCoder class.
Cocoa 2007-05-07
NSValue_QTKitAdditions Reference (HTML) (PDF)
Describes the class for managing QuickTime categories on the NSValue class.
Cocoa 2007-05-07
QTMovieView Class Reference (HTML) (PDF)
Describes the class for managing the display of QuickTime movies.
Cocoa 2007-05-01
Movie Manager Reference (HTML) (PDF)
Describes the API for the QuickTime Movie Manager.
Movie Basics 2006-12-14
Media Types and Media Handlers Reference (HTML) (PDF)
Describes the API for QuickTime media handlers.
Media Types & Media Handlers 2006-11-10
QuickTime Movie Track and Media Reference (HTML) (PDF)
Describes the API for managing QuickTime movie tracks and their media.
Media Types & Media Handlers 2006-11-10
QuickTime Virtual Reality Reference (HTML) (PDF)
Describes the API for QuickTime Virtual Reality.
Virtual Reality 2006-11-10
QuickTime 7.1 Update Reference (HTML) (PDF)
Describes the new functions available in QuickTime 7.1.
General 2006-08-14
QTTrack Class Reference (HTML) (PDF)
Describes the class for managing tracks in QuickTime movies.
Cocoa 2006-07-11
Component Creation Reference for QuickTime (HTML) (PDF)
Dscribes the API for creating QuickTime movie import, export, and preview components.
QuickTime Component Creation 2006-05-23
Compression and Decompression Reference for QuickTime (HTML) (PDF)
Describes the API for QuickTime compression and decompression operations.
Compression & Decompression 2006-05-23
Data Components Reference for QuickTime (HTML) (PDF)
Describes the API for QuickTime data components.
Import & Export 2006-05-23
Image Codec Reference for QuickTime (HTML) (PDF)
Describes the API for QuickTime image codecs.
Compression & Decompression 2006-05-23
Image Compression Manager Reference (HTML) (PDF)
Describes the API for QuickTime image compression.
Compression & Decompression 2006-05-23
Import and Export Reference for QuickTime (HTML) (PDF)
Describes the API for QuickTime graphics importing and exporting.
Import & Export 2006-05-23
Movie Controller Reference (HTML) (PDF)
Describes the API for QuickTime movie controllers.
Movie Basics 2006-05-23
Movie Toolkit Reference (HTML) (PDF)
Describes the API for QuickTime Movie Toolkit.
Movie Creation 2006-05-23
QTDataReference Class Reference (HTML) (PDF)
Describes the class for managing QuickTime data references.
Cocoa 2006-05-23
QTKit Data Types Reference (HTML) (PDF)
Describes the data types available in the QuickTime Kit framework.
Cocoa 2006-05-23
QTKit Functions Reference (HTML) (PDF)
Describes the functions available in the QuickTime Kit framework.
Cocoa 2006-05-23
QTMedia Class Reference (HTML) (PDF)
Describes the class for managing QuickTime media.
Cocoa 2006-05-23
QuickTime Atoms and Resources Reference (HTML) (PDF)
Describes API details of QuickTime atoms and public resources.
General 2006-05-23
QuickTime Callbacks Reference (HTML) (PDF)
Describes the API for QuickTime callbacks.
General 2006-05-23
QuickTime Constants Reference (HTML) (PDF)
Describes constants defined in the QuickTime framework that are not described in individual API reference documents.
General 2006-05-23
QuickTime Data Types Reference (HTML) (PDF)
Describes data types defined in the QuickTime framework that are not described in individual API reference documents.
General 2006-05-23
QuickTime Framework Reference (HTML) (PDF)
Describes the API for QuickTime.
Carbon, General 2006-05-23
QuickTime Movie Properties Reference (HTML) (PDF)
Describes the API for managing QuickTime movie properties.
Movie Internals 2006-05-23
QuickTime Music Architecture Reference (HTML) (PDF)
Describes the API for the QuickTime Music Architecture.
Audio 2006-05-23
QuickTime Streaming Reference (HTML) (PDF)
Describes the API for QuickTime Streaming.
Streaming 2006-05-23
Sequence Grabber Reference for QuickTime (HTML) (PDF)
Describes the API for QuickTime sequence grabbing.
Movie Creation 2006-05-23
Video Components Reference for QuickTime (HTML) (PDF)
Describes the API for QuickTime video components.
Media Types & Media Handlers 2006-05-23
Windows API Reference for QuickTime (HTML) (PDF)
Describes the Windows API for QuickTime.
QuickTime for Windows 2006-05-23
Core Audio (HTML) (PDF)
Introduces the Core Audio architecture and includes conceptual and reference information about its components.
Audio 2004-03-25
MIDI File Format (HTML)
Describes the QuickTime implementation of the MIDI file standard.
Audio, File Format Specification 2002-09-17
Sound Manager 3.3 (HTML)
Deprecated - Summary of Sound Manager legacy releases 3.1, 3.2.1, and 3.3.
Audio 2001-11-15