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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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QTCaptureConnection Class Reference (HTML) (PDF)
Describes a connection for media stream capture, used with a QTCaptureSession object.
Cocoa 2009-05-06
QTCaptureDevice Class Reference (HTML) (PDF)
Describes an object that represents a connected physical media capture device, such as a camera or microphone.
Cocoa 2009-05-06
QTKit Functions Reference (HTML) (PDF)
Describes the functions in the QTKit framework.
Cocoa 2009-05-06
QTCaptureAudioPreviewOutput Class Reference (HTML) (PDF)
Describes an output destination used to preview audio being captured.
Cocoa 2009-04-08
QTCaptureDeviceInput Class Reference (HTML) (PDF)
Describes a wrapper for a QTCaptureDevice object.
Cocoa 2009-04-08
QTCaptureInput Class Reference (HTML) (PDF)
Describes an input source connection for a capture session object.
Cocoa 2009-04-08
QTCaptureView Class Reference (HTML) (PDF)
Describes a view that displays a video preview of a capture session.
Cocoa 2009-04-08
QTCompressionOptions Class Reference (HTML) (PDF)
Describes compression options for a media type.
Cocoa 2009-04-08
QTDataReference Class Reference (HTML) (PDF)
Describes the location of a QuickTime movie or other media data.
Cocoa 2009-04-08
QTFormatDescription Class Reference (HTML) (PDF)
New document that describes the Objective-C API for supporting and working with QuickTime Capture.
Cocoa 2009-04-08
QTSampleBuffer Class Reference (HTML) (PDF)
Describes a QuickTime media data buffer.
Cocoa 2009-04-08
QTCaptureLayer Class Reference (HTML) (PDF)
Describes a layer that displays captured video frames from a device; supports Core Animation.
Cocoa 2009-04-06
QTMovieLayer Class Reference (HTML) (PDF)
Describes a layer for drawing frames from a QuickTime movie; supports Core Animation.
Cocoa 2009-04-06
QTCaptureDecompressedVideoOutput Class Reference (HTML) (PDF)
Describes a QuickTime capture output object for decompressing video.
Cocoa 2009-03-04
QTCaptureMovieFileOutput Class Reference (HTML) (PDF)
Describes an object that writes captured media to a QuickTime movie file.
Cocoa 2009-03-04
QTCaptureOutput Class Reference (HTML) (PDF)
Describes the interface for connecting capture output destinations to a capture session object.
Cocoa 2009-03-04
QTCaptureVideoPreviewOutput Class Reference (HTML) (PDF)
Describes an object for previewing a video stream that is being captured.
Cocoa 2009-03-04
QTMedia Class Reference (HTML) (PDF)
Describes a QuickTime media object.
Cocoa 2009-03-04
QTTrack Class Reference (HTML) (PDF)
Describes a QuickTime movie track.
Cocoa 2009-03-04
QTMovie Class Reference (HTML) (PDF)
Describes a QuickTime movie and movie controller.
Cocoa 2009-01-07
QTKit Framework Reference (HTML) (PDF)
Describes the interfaces for working with QuickTime movies and media capture.
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
QTCaptureFileOutput Reference (HTML) (PDF)
Describes an interface for writing captured media to files.
Cocoa 2007-07-23
QTKit Constants Reference (HTML) (PDF)
Describes the constants and error codes in the QTKit framework.
Cocoa 2007-07-19
NSCoder QTKit Additions Reference (HTML) (PDF)
Describes additions for encoding and decoding time and time range structures.
Cocoa 2007-05-07
NSValue QTKit Additions Reference (HTML) (PDF)
Describes additions for wrapping time and time range structures.
Cocoa 2007-05-07
QTMovieView Class Reference (HTML) (PDF)
Describes a view for playing a QuickTime movie.
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
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
QTKit Data Types Reference (HTML) (PDF)
Describes the data types and constants in the QTKit framework.
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 interface to QuickTime.
QuickTime for Windows 2006-05-23
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