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Leopard Technical Notes
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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Audio Export - Encoding AAC Audio For MPEG-4 Export (HTML)
TN2237: The QT MPEG4 Exporter does not show all options for generating AAC, this TN discusses workarounds.
Audio 2009-01-27
Building Universal QuickTime Components for Mac OS X (HTML) (日本語 HTML)
TN2012: Discusses the changes necessary to build Universal Mach-O QuickTime Components for Mac OS X.
Carbon 2005-07-21
QuickTime 3.0.2 (HTML) (日本語 HTML)
Deprecated - TN1139: Describes changes between the final release of QuickTime 3.0 and update 3.0.2.
Carbon 1998-09-01
QuickTime 4.1.1/4.1.2 (HTML)
Deprecated - TN1197: Changes between QuickTime 4.1 and the update QuickTime 4.1.1 and 4.1.2.
Carbon 2000-04-01
Tagging Handle and Pointer Data References in QuickTime (HTML)
TN1195: The use of data reference extensions used by QuickTime to tag handle and pointer data references.
Carbon 2006-08-30
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Carbon 2007-09-14
Updating Applications for QuickTime 6 (HTML)
TN2140: Discusses steps to update QuickTime applications covering QuickTime 6.0 to 6.5.2
Carbon 2007-05-15
Managing QTCompressionOptions - An overview of the QTCompressionOptionsWindow sample (HTML)
TN2219: Introductory overview of the QTCompressionOptionsWindow sample demonstrating one way to manage QTCompressionOptions objects.
Cocoa 2008-03-11
QTKit Frequently Asked Questions (HTML)
TN2138: Provides answers to many frequently asked QTKit questions.
Cocoa 2008-04-24
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Cocoa 2007-09-14
Decompressing DV frames and accessing the pixels (HTML) (日本語 HTML)
TN2044: Discusses and demonstrates how to decompress DV frames and access the pixels directly.
Compression & Decompression 2002-04-11
Fill in the size field before calling ICMGetPixelFormatInfo (HTML) (日本語 HTML)
TN2057: Discusses why you should always fill in the size field of the ICMPixelFormatInfo structure before calling ICMGetPixelFormatInfo.
Compression & Decompression 2002-07-17
ICM Drawing non-scheduled frames with QuickTime 6 (HTML) (日本語 HTML)
TN2060: Changes to how the Image Compression Manager draws non-scheduled frames in QuickTime 6 on Mac OS X.
Compression & Decompression 2002-08-21
Movie Data Security (HTML)
TN2038: Describes techniques you can use to protect data in QuickTime movies.
Compression & Decompression 2001-12-13
Supplying codec-specific options within the Standard Compression Dialog (HTML) (日本語 HTML)
TN2081: Discusses the ImageCodec 'DITL' APIs introduced with QuickTime 6.
Compression & Decompression 2009-04-29
Building Universal QuickTime Components for Mac OS X (HTML) (日本語 HTML)
TN2012: Discusses the changes necessary to build Universal Mach-O QuickTime Components for Mac OS X.
Design Guidelines 2005-07-21
ChooseMovieClock and Video Output Components (HTML) (日本語 HTML)
TN2052: Discusses the ChooseMovieClock API introduced in QuickTime 6.
Design Guidelines 2002-05-07
Full Screen changes in QuickTime 6.1 and 6.3 (HTML) (日本語 HTML)
TN2068: Changes made to the QuickTime Full Screen API with the release of QuickTime6.1 and QuickTime6.3
Design Guidelines 2003-06-19
QuickTime 4.0.3 (HTML) (日本語 HTML)
TN1183: Changes between the final release of QuickTime 4 and the update release of QuickTime 4.0.3.
Design Guidelines 1999-10-01
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Design Guidelines 2007-09-14
Maximizing Your Media: A Brief Guide To the Latest and Greatest QuickTime Media Types (HTML) (日本語 HTML)
TN1087: Documents Quicktime methodolgies to ensure applications see any media types available.
File Format Specification 1996-12-01
Efficiently using Quartz Composer compositions with QuickTime (HTML)
TN2145: Describes how to best use Quartz Composer compositions in a QuickTime environment.
Graphics & Imaging 2005-07-05
Final Cut Pro - The 'r4fl' Pixel Format (HTML)
TN2201: Describes the 'r4fl' pixel format used by Final Cut Pro to support greater than 8-bit rendering.
Graphics & Imaging 2008-08-06
Importing animated GIFs (HTML) (日本語 HTML)
TN2018: Describes how to tell if a GIF file or dataref contains more than one frame.
Graphics & Imaging 2001-04-17
Managing QTCompressionOptions - An overview of the QTCompressionOptionsWindow sample (HTML)
TN2219: Introductory overview of the QTCompressionOptionsWindow sample demonstrating one way to manage QTCompressionOptions objects.
Graphics & Imaging 2008-03-11
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Graphics & Imaging 2007-09-14
Efficiently using Quartz Composer compositions with QuickTime (HTML)
TN2145: Describes how to best use Quartz Composer compositions in a QuickTime environment.
Import & Export 2005-07-05
Exporting Movies for iPod, Apple TV and iPhone (HTML)
TN2188: Discusses the use of the iPod, Apple TV and iPhone QuickTime export components.
Import & Export 2009-04-30
Idling Movie Importers (HTML)
TN2111: discusses how to write an idling movie importer component
Import & Export 2004-11-12
Importing animated GIFs (HTML) (日本語 HTML)
TN2018: Describes how to tell if a GIF file or dataref contains more than one frame.
Import & Export 2001-04-17
QuickTime for Windows ActiveX/COM Frequently Asked Questions (HTML)
TN2120: Provides answers to many frequently asked questions about the QuickTime ActiveX/COM control
Import & Export 2006-05-02
Tagging Handle and Pointer Data References in QuickTime (HTML)
TN1195: The use of data reference extensions used by QuickTime to tag handle and pointer data references.
Import & Export 2006-08-30
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Import & Export 2007-09-14
TWAIN Data Sources for Mac OS X (HTML) (日本語 HTML)
TN2088: Describes how to implement a TWAIN Data Source (DS) for Mac OS X
Import & Export 2003-06-19
Compressing QuickTime Movies for the Web (HTML)
TN2218: Describes how to create QuickTime content optimized for use on the Web
Internet & Web 2008-05-01
Using the QuickTime 64-bit Timecode Media Handler (HTML)
TN2198: Discusses 64-bit Timecode Media support added with Mac OS X 10.5 and QuickTime 7.3
Media Types & Media Handlers 2007-09-18
QuickTime for Windows ActiveX/COM Frequently Asked Questions (HTML)
TN2120: Provides answers to many frequently asked questions about the QuickTime ActiveX/COM control
Movie Basics 2006-05-02
Tagging Handle and Pointer Data References in QuickTime (HTML)
TN1195: The use of data reference extensions used by QuickTime to tag handle and pointer data references.
Movie Basics 2006-08-30
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Movie Basics 2007-09-14
Audio Export - Encoding AAC Audio For MPEG-4 Export (HTML)
TN2237: The QT MPEG4 Exporter does not show all options for generating AAC, this TN discusses workarounds.
Movie Creation 2009-01-27
Tagging Handle and Pointer Data References in QuickTime (HTML)
TN1195: The use of data reference extensions used by QuickTime to tag handle and pointer data references.
Movie Creation 2006-08-30
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
Movie Creation 2007-09-14
Using the QuickTime 64-bit Timecode Media Handler (HTML)
TN2198: Discusses 64-bit Timecode Media support added with Mac OS X 10.5 and QuickTime 7.3
Movie Creation 2007-09-18
Building Universal QuickTime Components for Mac OS X (HTML) (日本語 HTML)
TN2012: Discusses the changes necessary to build Universal Mach-O QuickTime Components for Mac OS X.
QuickTime Component Creation 2005-07-21
Final Cut Pro - The 'r4fl' Pixel Format (HTML)
TN2201: Describes the 'r4fl' pixel format used by Final Cut Pro to support greater than 8-bit rendering.
QuickTime Component Creation 2008-08-06
Idling Movie Importers (HTML)
TN2111: discusses how to write an idling movie importer component
QuickTime Component Creation 2004-11-12
Multi-Buffer Aware Image Decompressors (HTML)
TN2148: Describes how to mark a video decompressor component as multi-buffer aware for maximum performance with CoreVideo.
QuickTime Component Creation 2005-07-12
Supplying codec-specific options within the Standard Compression Dialog (HTML) (日本語 HTML)
TN2081: Discusses the ImageCodec 'DITL' APIs introduced with QuickTime 6.
QuickTime Component Creation 2009-04-29
Thread-safe programming in QuickTime (HTML)
TN2125: Discusses how to use QuickTime from background threads for applications and component developers.
QuickTime Component Creation 2007-09-14
Cross-Platform Communication Using the PC Compatibility Messaging System (HTML)
TN1076: Describes Messaging System Architecture used in Apple's PC Compatibility and DOS Compatibility products
QuickTime for Windows 1996-10-01
Improving Windows Screen Updating with QuickTime for Windows Double-Buffering Feature (HTML)
TN2153: QuickTime 6.4 includes a facility to improve screen updating for Windows applications
QuickTime for Windows 2005-10-18
QuickTime for Windows ActiveX/COM Frequently Asked Questions (HTML)
TN2120: Provides answers to many frequently asked questions about the QuickTime ActiveX/COM control
QuickTime for Windows 2006-05-02
QuickTime For Windows: Resolving Common Installation Issues (HTML) (日本語 HTML)
TN1074: Details install dialog, customizing installation, and uninstalling QuickTime for Windows v 2.1.2.
QuickTime for Windows 1996-10-01
Supplying codec-specific options within the Standard Compression Dialog (HTML) (日本語 HTML)
TN2081: Discusses the ImageCodec 'DITL' APIs introduced with QuickTime 6.
QuickTime for Windows 2009-04-29
Understanding the Differences Between Apple and Windows IMA-ADPCM Compressed Sound Files (HTML)
TN1081: Details the differences between Apple IMA and Windows IMA (ADPCM) compressed sound files.
QuickTime for Windows 1996-11-01
Full Screen changes in QuickTime 6.1 and 6.3 (HTML) (日本語 HTML)
TN2068: Changes made to the QuickTime Full Screen API with the release of QuickTime6.1 and QuickTime6.3
Video Effects & Transitions 2003-06-19
Getting Up to Speed with QuickTime VR: Notes from the Field (HTML)
TN1029: Understanding QuickTime VR: available tools and what a multimedia developer may be interested in.
Virtual Reality 2000-08-14