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Leopard Technical Q&As
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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48 bit & 64 bit Pixel Format support in QuickTime (HTML) (日本語 HTML)
QA1114: Discusses QuickTime's support for pixel formats with more than 8 bits per channel.
Compression & Decompression 2002-02-07
Accessing Decompressed Images (HTML)
QTMTB27: Demonstrates the use of a transfer procedure to access a decompressed image and manipulate it prior to display.
Movie Basics 1995-05-01
Adding a movie reference to a movie (HTML)
QA1376: Demonstrates how to add a reference for a movie to another movie
Carbon, Movie Basics 2004-09-16
Adding metadata to a QuickTime movie using the QuickTime MetaData APIs (HTML)
QA1515: Adding metadata to a QuickTime movie using the QuickTime MetaData APIs
Movie Basics 2008-08-08
Adding metadata to an iTunes file using the QuickTime Metadata APIs (HTML)
QA1508: How to add metadata to a movie using the QuickTime Metadata APIs
Movie Basics 2007-02-14
Adding QuickTime Movie Data to Non-QuickTime Files (HTML)
QTMTB31: Describes how to embed QuickTime movies into files, and play back on Windows or Mac.
Movie Basics 1995-05-01
Adding Unicode characters to Text Media in a Text Track (HTML)
QA1400: Describes how to add Unicode characters to text media in a text track
Media Types & Media Handlers 2005-09-01
Adjusting the movie brightness (HTML)
QA1382: Demonstrates how to adjust the brightness of a movie for playback.
Video Effects & Transitions 2004-09-16
AudioChannelLayout - What's the Audio Channel Order when the Layout has a Channel Bitmap? (HTML)
QA1638: Explains the audio channel order when a channel layout is tagged as kAudioChannelLayoutTag_UseChannelBitmap.
Audio 2009-04-12
Available FireWire Isochronous Bandwidth (HTML)
QA1356: Discusses attempting to "pre-flight" an isochronous bandwidth allocation request by reading the currently available bandwidth.
Audio, Hardware & Drivers 2004-07-07
Avoiding Pauses When Looping Audio files with QuickTime (HTML)
QA1371: Demonstrates how to avoid pauses when looping audio files with QuickTime
Audio, Games, Movie Basics 2004-09-08
Base-Derived async image codecs must implement ImageCodecQueueStarting and ImageCodecQueueStopping (HTML) (日本語 HTML)
QA1157: Describes why base-derived codecs that set canAsync must implement ImageCodecQueueStarting and ImageCodecQueueStopping.
Carbon, Compression & Decompression, QuickTime Component Creation 2002-07-09
Batch Exporting movie sound tracks with ConvertMovieToFile() (HTML)
QTMTB62: Explains how to configure ConvertMovieToFile to use the same configuration information for more than one call.
Audio, Movie Basics 2000-09-05
BeginMediaEdits -2050 badDataRefIndex error after calling NewMovie (HTML)
QTMTB58: Describes reasons why BeginMediaEdits would return the -2050 badDataRefIndex error code during a media-editing session.
Movie Basics 2000-09-05
Calculating the static video frame rate of a QuickTime movie. (HTML) (日本語 HTML)
QA1262: Calculating the static video frame rate of a QuickTime movie.
Movie Basics 2008-08-06
Calling InitializeQTML from DLL Main (HTML) (日本語 HTML)
QTW89: Don't do anything significant in your QuickTime 3 for Windows DLL Main procedure.
QuickTime for Windows 1998-09-21
Capturing a real-time movie stream (HTML)
QA1535: Capturing real-time movie streams
Streaming 2007-07-30
Checking For Presence of QuickTime 3 for Windows (HTML) (日本語 HTML)
QTW88: Programatically checking for the presence of QuickTime 3 for Windows.
QuickTime for Windows 1998-09-21
Choosing the Position Where a Movie is Pasted (HTML)
QTMTB26: Explains how the position of a pasted movie is determined and shows how to force a given location.
Movie Basics, Movie Internals 1995-05-01
Component Definitions (HTML)
QTMCC14: Discusses the differences between components, component instances, component storage, and component RefCons.
QuickTime Component Creation 2000-09-22
Compressed and Uncompressed Samples in the Same Track (HTML)
QTMTB43: Recommends not to mix compressed and uncompressed data samples into the same sound track.
Movie Basics 1995-08-01
Compression Sequence APIs - codecErr returned when compressing with H.264 (HTML)
QA1470: Describes why ICM Compression Sequence APIs cannot be used to encode to H.264
Compression & Decompression, Graphics & Imaging 2006-11-15
Compression Sessions - Configuring codec quality settings (HTML)
QA1444: Discusses how to set encoding quality for a Compression Sequence
Carbon, Graphics & Imaging 2005-10-17
Compression Sessions - Configuring options using the Standard Compression dialog (HTML)
QA1456: Discusses how to configure Compression Session options using Standard Compression dialog.
Carbon, Compression & Decompression 2006-01-12
Compression Sessions - Enabling muti-pass encoding (HTML)
QA1450: Describes how to enable multi-pass encoding when using ICM compression sessions.
Carbon, Graphics & Imaging, Movie Creation 2006-01-12
Compression Sessions - Multipass encoding and the pass mode flags (HTML)
QA1457: Discusses how the pass mode flags work when performing multipass compression operations.
Carbon, Compression & Decompression 2006-10-02
Compression Sessions - Temporal compression options (HTML)
QA1455: Discusses the temporal compression option as it relates to quality and other compression session options.
Carbon, Compression & Decompression, Movie Creation 2006-01-12
CompressSequenceBegin & Ethernet in QuickTime (HTML)
QTICM13: Describes resolving an issue with missing ImageDescription when sending compressed images over Ethernet using CompressSequenceBegin.
Compression & Decompression 1995-05-01
ConvertMovieToFile unexpected results (HTML) (日本語 HTML)
QTMTB51: Explains why white frames can occur in a movie that was saved using ConvertMovieToFile.
Import & Export, Movie Basics 1999-06-14
Core Video - Available Pixel Formats (HTML)
QA1501: Discusses how to determine all the pixel format types and format descriptions known to Core Video.
Graphics & Imaging 2007-01-23
Correct Time Values (HTML)
QTMTB32: Demonstrates finding correct time values for GetMoviePict to get all the frames of a QuickTime movie.
Movie Basics 1995-05-01
Correction to SetMediaDataRef, short, not pointer (HTML)
QTMTB44: Makes a correction to the description of SetMediaDataRef in the QT2.0 CD.
Media Types & Media Handlers, Movie Basics 1995-08-01
couldNotResolveDataRef (-2000) returned from DataHSetDataRef and OpenADataHandler (HTML) (日本語 HTML)
QA1116: Describes why DataHSetDataRef and OpenADataHandler may return a couldNotResolveDataRef error in the writing case.
QuickTime Component Creation 2002-02-07
CreatePortAssociation And WM_QUERYNEWPALETTE Message (HTML) (日本語 HTML)
QTW91: Activating your custom palette under QuickTime 3 for Windows by calling NSetPalette and ActivatePalette.
QuickTime for Windows 1998-09-21
Creating a Movie from Movie Data in Memory (HTML)
QA1341: Describes how to create a movie from movie data in memory.
Import & Export, Movie Basics, Movie Creation 2006-03-21
Creating Apple TV Media Files Containing Dolby Digital Professional AC-3 Audio (HTML)
QA1604: Discusses how to create media files containing AC-3 audio for Apple TV using Compressor and QTKit.
Movie Creation 2008-05-19
Creating Core Audio Format (.caf) Files (HTML)
QA1534: Describes how to use afconvert to create .caf files
Audio 2009-01-07
Creating Sample Descriptor Atoms for a Non-Mac Device (HTML)
QTPC06: Lists a reference for information on QuickTime atoms and their formats.
Design Guidelines 1995-08-01
Creating Sub GWorlds using QTNewGWorldFromPtr (HTML)
QA1014: Using QTNewGWorldFromPtr to create sub GWorlds which reference the pixel data of other GWorlds.
Carbon, Graphics & Imaging 2001-03-20
Creating Thumbnail PICTs (HTML)
QTICM08: Describes transforming the generic icons of QuickTime PICT-created files into thumbnail icons of these PICTs.
Compression & Decompression 1995-05-01
Creating track references when editing movies (HTML)
QTMTB61: Explains how to use the InsertTrackSegment function to copy a track reference rather than the actual media.
Movie Basics, Movie Internals 2000-09-05
Decompressing IMA WAVE files (HTML)
QTMCC11: Describes how to use the Sound Manager to decompress and play Window's Microsoft ADPCM-compressed WAVE files.
Import & Export 1998-10-19
Decompressing MP3 (HTML)
QTMCC15: Discusses decompressing an MP3 file into a buffer using SoundConverter APIs.
Import & Export 2000-09-22
Decompression Sessions - Setting codec accuracy and field mode (HTML)
QA1460: Describes how to set codec accuracy and field mode options when creating a decompression sessions.
Carbon, Compression & Decompression, Graphics & Imaging 2006-01-12
Derived Media Handler Components Update (HTML) (日本語 HTML)
QTMCC08: Gives practical limits for data transfer rates under QuickTime 2.5.
QuickTime Component Creation 1996-08-21
Determining QuickDrawVideo Media Pixel Depth (HTML)
QTMTB17: Demonstrates how to retrieve the pixel depth of a QuickTime video media or movie.
Media Types & Media Handlers, Movie Basics 1995-05-01
Determining required components for QuickTime movies (HTML)
QA1093: Shows how to determine if a given QuickTime movie requires a component that's not currently installed on the system.
Movie Basics 2001-11-07
Developing a QuickTime Musical Instrument (HTML)
Deprecated - QTMA05: Explains resolving the lack of QuickTime 2.0 API support for creating new music components.
Audio 1995-05-01
Difference between using Restart or Shut Down in the Finder's Special menu in Open Firmware (HTML) (日本語 HTML)
HW47: Explains the differences between using Restart or Shut Down on Open Firmware
Hardware & Drivers 1999-02-15
Disabling QuickTime Error Dialogs When Opening or Tasking a Movie (HTML) (日本語 HTML)
QA1164: How to disable QuickTime error dialogs which may be presented when opening or tasking a movie.
Movie Basics 2003-03-20
DV Codec settings and performance (HTML) (日本語 HTML)
QA1149: Discusses the difference between compression quality, decompression quality, and performance with the DV codec.
Compression & Decompression, Movie Basics 2004-01-20
Dynamically registering a bundled component (HTML)
QA1083: Describes how to dynamically register a Component which resides in an Application bundle.
Carbon, QuickTime Component Creation 2004-06-07
Endian Concerns When Playing 'snd ' Resources (HTML)
QTW97: Use the Resource Manager to avoid byte-swapping 'snd ' resources before playing under Windows
QuickTime for Windows 1999-11-08
Exporting TIFF files in little-endian format (HTML)
QA1044: Explains how to export a TIFF file in little-endian format.
Import & Export 2001-06-26
Extracting DV Fields using QTNewGWorldFromPtr (HTML)
QA1017: Describes using QTNewGWorldFromPtr to access individual fields contained within a frame of DV source.
Carbon, Graphics & Imaging, Movie Basics 2001-03-20
Filtering QuickTime media types in Navigation Services (HTML) (日本語 HTML)
QA1274: Describes how to filter QuickTime media types in a Navigation Services filter procedure.
Movie Basics 2003-07-23
Filtering the Effects List returned by QTGetEffectsList (HTML) (日本語 HTML)
QA1190: Shows how to edit the list of effects returned by the QTGetEffectsList function.
Movie Basics, QuickTime Component Creation, Video Effects & Transitions 2002-09-04
Final Cut Pro - Preferred Video Media Time Scales and Sample Durations (HTML)
QA1447: Lists the preferred time scales/sample durations for media created for use with FCP.
Movie Creation 2005-10-24
Functions that Modify Movie Properties, QuickTime Track, and Movie Sound Volume (HTML)
QTMTB39: Explains movie volume values, and how to exceed the maximum level using Sound Manager 3.0.
Movie Basics 1995-05-01
GDGetScale (HTML)
Deprecated - QTICM04: Describes the function call GDGetScale, its parameters, and errors it may encounter.
Compression & Decompression 1995-05-01
GDHasScale (HTML)
Deprecated - QTICM03: Describes the function GDHasScale; lists what it returns, its main purpose, parameters, and possible errors.
Compression & Decompression 1995-05-01
GDSetScale (HTML)
Deprecated - QTICM05: Describes the function GDSetScale, its parameters, and the errors it may encounter.
Compression & Decompression 1995-05-01
GetDIBFromPict fails with QuickTime "Minimum" installation (HTML)
QA1294: Demonstrates how to check for any available QuickTime components required by individual QuickTime functions.
Movie Basics, QuickTime for Windows 2004-09-28
Getting a Packet Trace (HTML) (日本語 HTML)
QA1176: Lists tools available for looking at the network packets on the wire.
Internet & Web 2008-06-03
Graphics Exporters - Creating 16-bit-per-channel image files (HTML)
QA1354: Discusses how to use QuickTime Graphics Exporters to create 16-bit-per-channel image files.
Graphics & Imaging, Import & Export 2004-06-03
Graphics Importer -8970 errors & TIFF Support (HTML)
QTMCC18: Discusses the -8970 error when using graphics importers with certain TIFF files.
Compression & Decompression, Import & Export 2000-11-29
Graphics Importers and image files containing multiple layers (HTML) (日本語 HTML)
QA1148: Describes how to get the natural bounds of layers contained in a multi-layered image file.
Import & Export 2002-06-18
GraphicsImportSetBoundsRect resets your Matrix (HTML) (日本語 HTML)
QA1144: Discusses how calling GraphicsImportSetBoundsRect will reset a graphics importers matrix.
Compression & Decompression, Import & Export 2002-05-29
Handling of Update Events While a Movie Plays (HTML)
Deprecated - QTMTB45: Describes timing issues that can be caused by applications calling WaitNextEvent while playing a QuickTime movie.
Movie Basics 1995-09-15
How can I find out what non-RGB pixel formats a codec supports? (HTML) (日本語 HTML)
QA1249: Applications can find out if a codec supports non-RGB pixel formats.
Compression & Decompression, QuickTime Component Creation 2008-04-24
How can I verify that a Movie can actually draw into a non-RGB GWorld? (HTML) (日本語 HTML)
QA1243: Techniques to verify that a Movie can actually draw into a non-RGB GWorld.
Compression & Decompression, Movie Basics 2003-03-05
How can I work with MPEG-2 media using QuickTime? (HTML)
QA1540: How to work with MPEG-2 media using QuickTime.
Import & Export, Media Types & Media Handlers, Movie Basics 2007-08-29
How do I count the frames in an MPEG movie? (HTML) (日本語 HTML)
QTMTB54: Talks about using the QuickTime Movie Toolbox function GetMovieNextInterestingTime with MPEG media tracks.
Movie Basics 2003-05-02
How do I create a QuickTime movie from PCM audio samples in memory? (HTML)
QA1539: How to create a QuickTime movie from PCM audio samples in memory
Audio 2007-08-29
How do I decompress individual frames into an offscreen? (HTML)
QTMTB57: Describes methods for decompressing individual frames of a video track into an offscreen memory buffer.
Movie Basics 2000-04-24
How to Compute Data Rate for QuickTime Movies (HTML)
QTMTB46: Describes two methods of measuring the rate of samples for Quicktime movies.
Movie Basics 1995-09-15
How to get a native QuickTime movie object from the QuickTime ActiveX/COM control (HTML)
QA1594: Describes how to get a native QuickTime movie object from the QuickTime ActiveX/COM control
QuickTime for Windows 2008-03-27
How to Get the First Video Frame (HTML)
QTMCC01: Describes how to get the first frame of a movie using GetMovieNextInterestingTime.
Movie Basics 1995-05-01
How to play a sequence of movies in a Web page (HTML)
QA1593: How to have the QuickTime plug-in play a sequence of movies, one after the other, in a Web page
Internet & Web 2008-08-08
How to Tell Whether a Picture is QuickTime-Compressed (HTML)
QTICM02: Details how to determine whether a picture's QuickTime-compressed, contains QuickTime-compressed images, and type of compression used.
Compression & Decompression 1995-05-01
How to work around HIMovieViewCreate failing (HTML)
QA1417: Describes how to work around HIMovieViewCreate failing to initialize the view in QuickTime 7
Carbon 2008-03-11
Image Compression Dialog Options (HTML)
QTICM14: Describes how to display an extra Options button in the normal Image Compression dialog.
Compression & Decompression 1995-08-01
Image Decompressor Data-loading Procs (HTML) (日本語 HTML)
QTMCC19: Explains how to use an image decompressor's data-loading proc.
Compression & Decompression, QuickTime Component Creation 2003-07-10
ImageDescription Extension Format (HTML) (日本語 HTML)
QTMCC04: Gives a reference for information on image description extensions.
QuickTime Component Creation 1996-11-27
Implementing a CVFillExtendedPixelsCallBack (HTML)
QA1440: Discusses how you implement a Core Video custom extended pixel fill callback function.
Carbon, Compression & Decompression, Graphics & Imaging, QuickTime Component Creation 2005-09-06
Importer Components - What is the 'mcfg' resource used for? (HTML) (日本語 HTML)
QA1267: Discusses the Media Configuration 'mcfg' resource which lists Importer Component file type characteristics and its use.
QuickTime Component Creation 2005-10-17
Importing image data from memory (HTML)
QTMTB56: Explains using the graphics importer API's to read image data which resides in memory.
Import & Export, Movie Basics 2000-04-03
Importing Sys 7 Snds (HTML)
QTMCC16: Describes how to import System 7 sound files using QuickTime.
Import & Export 2000-09-22
Incorrect Inside Macintosh Volume V documentation (HTML)
Deprecated - QD15: Identifies incorrect documentation in Inside Macintosh Volume V regarding the formats of PnPixPat and BkPixPat opcodes.
Carbon 1995-09-15
Integrating the QuickTime for Windows 7.0.3 Installer into your Application Installer (HTML)
QA1463: Describes new behavior for the QuickTime for Windows 7.0.3 Installer
QuickTime for Windows 2006-02-07
Intercepting movie controller actions (HTML)
QA1094: Demonstrates how to intercept movie controller actions.
Movie Basics, QuickTime Component Creation 2001-11-14
Intercepting QuickTime Wired Actions (HTML)
QA1095: Demonstrates how to intercept wired actions in a movie controller action filter function.
Movie Basics, Wired Movies and Sprites 2001-11-14
IOKit Framework Headers (HTML) (日本語 HTML)
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
Hardware & Drivers 2002-01-15
Is ColorSync thread safe? (HTML) (日本語 HTML)
QA1261: Discusses ColorSync thread-safety issues.
Graphics & Imaging 2003-04-17
Is QuickTime thread-safe? (HTML)
QA1088: Discusses thread-safety and reentrancy of the QuickTime library on both Mac & Windows.
Design Guidelines, Movie Basics 2006-02-14
iSight - Configuring gain settings for IIDC cameras (HTML)
QA1421: Discusses how to configure features of IIDC cameras, specifically gain for the iSight
Carbon, Hardware & Drivers 2005-04-06
Keyframes and AddMediaSample (HTML)
QTMCC20: Describes setting flags correctly for AddMediaSample to mark keyframes and difference frames.
Compression & Decompression, Movie Creation 2000-12-01
Legacy Devices (HTML)
HW84: Discusses why legacy devices with hard-wired I/O addresses may not work properly with Open Firmware.
Hardware & Drivers 2000-03-20
Limiting the component list in SCRequestImageSettings (HTML)
QA1062: Describes the scCompressionListType flag, which limits the list of compressors shown in the standard image settings dialog.
Compression & Decompression 2006-01-12
Linked Movies with Different Color Palettes (HTML) (日本語 HTML)
QTMRF07: Explains why a QuickTime movie shouldn't contain subMovies that have different color palettes.
Movie Internals 1996-02-15
LockPixels and DisposeGWorld with QTNewGWorldFromPtr (HTML)
QA1007: Clarifies some issues surrounding pointer ownership when creating GWorlds with QTNewGWorldFromPtr
Carbon, Graphics & Imaging 2001-02-26
Looping Audio Files with QuickTime for Windows (HTML)
QA1559: How to Continuously Loop Audio Files with QuickTime for Windows
Audio, Movie Basics, QuickTime for Windows 2007-10-09
MCSetClip and Clipping with the Movie Controller (HTML)
QTMTB18: Tells why the movie controller ignores the clip set by SetMovieDisplayClipRgn and shows a correct clipping technique.
Movie Basics, Movie Internals 1995-05-01
Movie Drawing Complete Procedure with C++ (HTML) (日本語 HTML)
QA1150: Demonstrates a static class method which can be used as a QuickTime movie drawing complete callback.
Movie Basics 2002-06-18
Movie Export - Always fill in the MovieExportGetDataParams dataSize field (HTML)
QA1304: Outlines the importance of correctly filling in the MovieExportGetDataParams dataSize field when exporting from procedures.
Carbon, Compression & Decompression, Graphics & Imaging, Movie Creation 2005-02-25
Movie Export Component - How to ensure Final Cut Pro recognizes your exporter (HTML)
QA1415: Explains how to make sure Final Cut Pro will recognizes a custom QuickTime movie export component.
Carbon, Import & Export, QuickTime Component Creation 2005-03-08
Movie Export Components - Supporting a MovieProgressProc (HTML) (日本語 HTML)
QA1230: Explains the steps needed to support a movie progress proc in a movie export component.
QuickTime Component Creation 2003-01-31
Movie Export From Procedures - Providing k2vuyPixelFormat data to MovieExportGetDataProc (HTML)
QA1465: Discusses adding the missing 'rowb' ImageDescription extension when using MakeImageDescriptionFromPixMap with a k2vuyPixelFormat GWorld for a procedures export.
Import & Export, Movie Creation 2006-03-03
Movie export with AAC or AMR audio formats (HTML)
QA1347: This QA discusses use of the QuickTime AMR and AAC audio compressors on Macintosh and Windows
Import & Export, QuickTime for Windows 2009-03-16
Movie Import Component Selectors (HTML) (日本語 HTML)
QTMCC09: Explains why there is no documentation on the movie import API selectors: kMovieImportGetFileTypeSelect and kMovieImportDataRefSelect.
QuickTime Component Creation 1996-08-21
Movie Import Components - MovieImportDataRef Invoked For File Import Operations (HTML)
QA1596: Discusses how QuickTime 7.4+ invokes Movie Import Components when specifically importing from files.
Import & Export, QuickTime Component Creation 2008-03-11
MovieAudioExtraction - Ensure a Movie is fully loaded before starting an extraction session (HTML)
QA1469: Describes the importance of making sure a Movie is fully loaded before extracting audio.
Audio 2006-03-29
MovieAudioExtraction - Extracting all available audio samples (HTML)
QA1481: Describes how to correct for MovieAudioExtraction missing some audio samples at the end of audio files.
Audio 2006-07-18
Movies - Saving movie playback hints (HTML)
QA1366: Explains how to save and load media play hints from Movie files.
Carbon, Cocoa, Movie Basics 2004-09-14
MPEG Compression in QuickTime (HTML)
QTICM16: Describes extracting information from an MPEG movie file and placing it in a specific MPEG track.
Movie Creation 1995-08-01
MSVC++ link error LNK4098 When Building QuickTime 3 for Windows Apps (HTML) (日本語 HTML)
QTW94: Avoid MSVC++ link error LNK4098 when building QuickTime 3 for Windows applications.
QuickTime for Windows 1998-09-21
Opening a Web page using an HREF track in QuickTime Player (HTML)
QA1621: Opening a Web page using an HREF track in QuickTime Player
Internet & Web 2008-11-05
The "packages" node in the device tree (HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
Hardware & Drivers 2006-02-22
paramErr returned from ConvertMovieToFile when exporting to .wav (HTML)
QA1313: Avoid a paramErr returned from ConvertMovieToFile by setting up a Sound Description when exporting to a .wav file.
Import & Export 2003-10-06
PICT, QuickTime-Compressed Testing (HTML)
QTICM09: Details how to determine whether a picture's QuickTime-compressed, contains QuickTime-compressed images, and type of compression used
Compression & Decompression 1995-05-01
Playback of QuickTime movie audio through a multi-channel speaker system (HTML)
QA1627: Specify a specific pair of channels for QuickTime audio movie playback through a multi-channel speaker system
Audio 2008-11-05
Playing memory-resident WAVE data using QuickTime 4 (HTML) (日本語 HTML)
QTMTB52: Explains how to play memory-resident WAVE data in QuickTime 4 or later.
Audio, Import & Export, Movie Basics 1999-07-21
Playing QuickTime 3 Movie Sound Data (HTML) (日本語 HTML)
QTMTB50: Explains why a movie's sound data can continue to play longer than video data.
Audio, Movie Basics, QuickTime for Windows 1998-11-09
Preroll Movies (HTML)
QTMTB42: Lists the advantages of calling PreRollMovie to improve the performance of QuickTime movies.
Movie Basics 1995-05-01
Preserving embedded ICC profiles when using QuickTime Graphics Importer/Exporters (HTML) (日本語 HTML)
QA1145: Shows how to preserve the embedded ICC profile when using the QuickTime Graphics Importer/Exporter routines
Graphics & Imaging, Import & Export 2002-09-04
Preview image quality of DV capture (HTML)
QTMCC12: Describes how to get full resolution preview image quality when capturing DV.
Movie Creation 2000-10-25
Programatically retrieving field and frame information (HTML)
QA1547: Discusses the use of the kICMImageDescriptionPropertyID_FieldInfo property to retrieve Field/Frame information.
Carbon, Movie Basics 2007-09-13
Programmatic configuration of a Movie Export Component (HTML) (日本語 HTML)
QA1147: Demonstrates how to programmatically configure a movie export component without showing the Movie Export dialog.
Import & Export, Movie Basics 2002-06-18
QTKit Capture - Disabling Audio Or Video When Capturing From a Muxed Device (HTML)
QA1607: Describes the use of the setEnabled: method to disable audio or video capture from muxed devices.
Cocoa, Movie Creation 2008-05-19
QTKit Capture - Disabling specific audio channels when recording (HTML)
QA1617: Describes how to disable specific audio channels when recording using QTKit Capture.
Cocoa 2008-10-13
QTKit Capture - Extracting SMPTE Timecode information from a QTSampleBuffer (HTML)
QA1600: Describes how to use the QTSampleBufferSMPTETimeAttribute with a sample buffer.
Cocoa 2008-03-17
QTKit Capture - Setting DecompressedVideoOutput CVPixelBuffer Attributes (HTML)
QA1582: Describes how to configure a DecompressedVideoOutput objects CVPixelBuffer attributes.
Cocoa 2008-03-06
QTKit Capture - Specifying Media Compression Settings (HTML)
QA1586: Describes how to configure a file output object to save compressed captured media.
Cocoa, Movie Creation 2008-03-11
QTKit Capture - Video Compression Options And Preview (HTML)
QA1583: Describes how video compression options may influence the resolution of previewed video.
Cocoa, Movie Creation 2008-09-16
QTML, c2pstr and Pascal strings (HTML) (日本語 HTML)
QA1112: Describes how to avoid headaches when dealing with Pascal to C string conversion with QTML.
QuickTime for Windows 2002-01-21
Quality of QuickTime video effects (HTML)
QA1089: Describes some of the factors affecting QuickTime video effects quality.
Compression & Decompression, Video Effects & Transitions 2001-10-26
QuickTime & Noise Problems (HTML)
QTPC02: Talks about ways to reduce noise in movies created with the CinePak codec.
Compression & Decompression 1995-05-01
QuickTime & PutMovieIntoDataFork, Offsets (HTML)
QTMTB34: Explains restrictions on moving movie data around in a file after creation; also gives work arounds.
Movie Basics 1995-05-01
QuickTime .qtx/.qtr/.qt/.mov files defined (HTML)
QTW99: Definitions for the QuickTime for Windows .qtx/.qtr/.qt/.mov files.
QuickTime for Windows 2000-09-05
QuickTime 6.4 & AvailabilityMacros.h on Mac OS X 10.2.x (HTML)
QA1316: Fixing compilation issues when upgrading to QuickTime 6.4 on Mac OS X 10.2.x systems.
Carbon, Cocoa 2003-10-21
QuickTime 7.1.5 Security Enhancements (HTML)
QA1520: Discusses the security enhancements and other changes contained in the QuickTime 7.1.5 Update.
Import & Export, Internet & Web 2007-04-02
QuickTime and Carbon Events (HTML)
QA1090: Discusses how to ensure smooth movie playback when using Carbon Events in an application.
Design Guidelines, Movie Basics 2001-10-26
QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs (HTML)
QA1459: Describes how to perform frequency band level metering using MovieAudio metering APIs.
Audio, Carbon, Cocoa, Movie Basics 2009-01-29
QuickTime Audio - Muting and GetMovieAudioFrequencyLevels (HTML)
QA1556: Discusses the change made to the GetMovieAudioFrequencyLevels API with QuickTime 7.2.
Audio, Carbon 2007-09-28
QuickTime Audio - Rendering QuickTime Movie audio to a specific Audio Device (HTML)
QA1578: Describes how to render Movie audio to a specific audio device.
Audio 2008-01-08
QuickTime Audio - Retrieving the correct audio format bit depth value (HTML)
QA1477: Discusses how to retrieve accurate audio format bit depth.
Audio 2008-11-05
QuickTime DirectDraw Surfaces (HTML)
QTW96: How to make QuickTime 4 for Windows draw onto a surface using your custom DirectDraw object.
QuickTime for Windows 1999-11-01
QuickTime Effects - How to set up parameter description values when using kParameterTypeDataImage (HTML) (日本語 HTML)
QA1326: Setting up an effect parameter description when using kParameterTypeDataImage as the parameter data type.
Video Effects & Transitions 2003-12-09
QuickTime Error -2127 qtNetworkAlreadyAllocatedErr Explained (HTML) (日本語 HTML)
QA1244: QuickTime qtNetworkAlreadyAllocatedErr error code (-2127) occurs when the user's Connection Speed preference setting is too slow.
Transport & Delivery 2003-03-20
QuickTime for Windows resource files (HTML) (日本語 HTML)
QA1132: Describes resource file extensions supported by QuickTime for Windows.
QuickTime for Windows 2002-04-08
QuickTime for Windows returns bdNamErr (-37) error with long Windows file names (HTML)
QA1413: Describes how QuickTime may return bdNamErr (-37) error on Windows if file name is > 63 characters
Movie Basics, QuickTime for Windows 2008-08-08
QuickTime Media Editing (HTML) (日本語 HTML)
QA1110: Explains the term "Media" as used in QuickTime and how it relates to media editing APIs.
Movie Basics 2002-01-16
QuickTime Media Optimization Properties (HTML)
QA1579: Discusses the kQTMovieImporterPropertyID_AllowMediaOptimization and kQTMovieInstantiationPropertyID_AllowMediaOptimization properties.
Import & Export, Movie Basics, Movie Creation 2009-03-30
QuickTime movies require a valid graphics port (HTML)
QA1345: The QuickTime Movie Toolbox requires a valid graphics port for all movies.
Movie Basics 2004-03-19
QuickTime Music Architecture Header Update (HTML) (日本語 HTML)
QTMA06: Explains missing and changed items in QuickTime 2.5.
Audio 1996-08-21
QuickTime Preview Behavior (HTML) (日本語 HTML)
QTMCC10: Describes the expected behavior of the create/update preview button in the SFPGetFilePreview dialog.
QuickTime for Windows 1996-11-27
QuickTime Sound (HTML)
QTMRF04: Explains what the sowt and the twos format is in QuickTime.
QuickTime for Windows 1995-05-01
QuickTime Supported YUV Pixel Formats (HTML)
QA1060: Describes which YUV pixel formats are supported by QuickTime.
Carbon, Compression & Decompression, QuickTime Component Creation 2001-07-19
QuickTime Texture Visual Context - kQTVisualContextNotAllowedErr with non-accelerated graphics cards (HTML)
QA1542: Discusses how to create a display mask and avoid a kQTVisualContextNotAllowedErr when using a non-accelerated graphics card.
Graphics & Imaging 2007-09-18
QuickTime Toolbox GetMovieTime Call (HTML)
QTMTB38: Provides the calls to change the current time and to reposition a movie to play from the start.
Movie Basics 1995-05-01
QuickTime Visual Context - Setting the kQTVisualContextOutputColorSpaceKey Attribute (HTML)
QA1550: Describes how to configure a QuickTime OpenGL Texture Visual Context with the kQTVisualContextOutputColorSpaceKey attribute.
Graphics & Imaging 2007-09-28
Registering custom pixel formats with QuickTime and Core Video (HTML)
QA1401: Discusses how to register custom pixel formats with QuickTime & Core Video with QuickTime 7.
Carbon, Graphics & Imaging, QuickTime Component Creation 2005-09-06
Retrieving Audio from QuickTime Files (HTML)
QTMTB30: Describes how to retrieve audio from QuickTime files in 1 second chunks.
Import & Export, Movie Basics 1995-05-01
Sample Description Endianness (HTML)
QA1598: Describes the endianness of the QuickTime Sample Description Structure and their extensions.
File Format Specification 2008-03-17
Saving changes to modified movies (HTML)
QTMTB60: Describes how to ensure any changes made to a movie are saved.
Movie Basics 2000-09-05
Saving playback hints in a Movie (HTML) (日本語 HTML)
QA1194: Demonstrates how to use the SetTrackLoadSettings function to save the hintsHighQuality playback hint in a movie.
Movie Basics 2002-09-04
Saving QuickTime Movie Files (HTML) (日本語 HTML)
QTMTB47: Explains a few complications one might face in creating and saving QuickTime movie files.
Movie Basics 1997-01-31
Sequence Grabber - Determining the capture resolution of an IIDC device (HTML)
QA1403: Discusses how to determine the resolution of a captured image from an IIDC device
Carbon, Hardware & Drivers, Movie Creation 2005-01-06
Sequence Grabber - Ensuring the SG TimeBase is being driven by the Sound Clock. (HTML)
QA1314: Ensuring the Sequence Grabber TimeBase is being driven by the Sound Clock when recording audio and video.
Movie Creation 2003-10-24
Sequence Grabber - How do I save user settings as CFPreferences? (HTML)
QA1286: Saving UserData settings returned from the Sequence Grabber as CFPreferences.
Movie Creation 2003-09-04
Sequence Grabber - How often should I call SGIdle? (HTML)
QA1349: This Q&A discusses how often SGIdle should be called when capturing using the Sequence Grabber.
Movie Creation 2004-04-06
Sequence Grabber - Setting the sound channel play through state (HTML)
QA1303: Setting the Sound play though state when previewing and recording a sound channel with the Sequence Grabber.
Movie Creation 2003-09-23
Sequence Grabber - Using the SGDataProc for Sound (HTML)
QA1348: This Q&A discusses how you can use a Sound SGChannel with the Sequence Grabber DataProc
Movie Creation 2004-04-06
Sequence Grabber preallocates large file when recording (HTML)
QA1411: Describes how to prevent the Sequence Grabber from filling your entire disk when recording.
Carbon, Movie Creation 2006-02-06
Sequence Grabber Source, Video, and Channel Bounds (HTML) (日本語 HTML)
QA1250: Explains the QuickTime Sequence Grabber's relationship between the Source, Video, and Channel Bounds when capturing video.
Movie Creation 2003-07-16
SetSoundMediaBalance balance parameter clarification (HTML) (日本語 HTML)
QTMTB49: Describes correct parameter values for the SetSoundMediaBalance routine.
Audio, Movie Basics 2004-12-01
Setting a Movie's Clipping Region (HTML)
QTMTB23: Explains why ShowMoviePoster doesn't honor the clipping region when clipped to the cell size.
Movie Basics, Movie Internals 1995-05-01
Setting Export Quality (HTML)
QTMCC13: Demonstrates how to change the compression factor when exporting a JPEG file.
Import & Export 1999-12-06
Setting Sequence Grabber Sound Input Device Driver Parameters (HTML) (日本語 HTML)
QA1204: Setting sound input device driver parameters for QuickTime sequence grabber audio channels.
Audio, Movie Basics, Movie Creation 2002-10-25
Setting the movie background color (HTML) (日本語 HTML)
QTMTB53: Describes how to apply a background color to an entire movie.
Movie Basics 1999-08-16
Setting the option button in the ICM dialog (HTML)
QTMCC02: Describes how your codec can display an extra Options button in the Standard Compression dialog.
QuickTime Component Creation 1995-06-01
SGSetSettings unexpected results (HTML)
QTMTB55: Explains why subsequent calls to the SGSetSettings can fail after the first call to SGSetSettings completed successfully.
Movie Basics, Movie Creation 1999-10-11
The similarity field in ImageCodecBandCompress and Key Frames (HTML) (日本語 HTML)
QA1109: Discusses the similarity field of the CodecCompressParams structure used in ImageCodecBandCompress to implement key framing during compression.
QuickTime Component Creation 2002-01-16
Sound Manager Codec support in QuickTime 7 (HTML)
QA1448: Describes QuickTime 7 support for constant bitrate and variable bitrate Sound Manager codecs
Audio 2005-10-26
spatialQuality Values with Lossy Compression (HTML) (日本語 HTML)
QA1126: Describes how the spatialQuality value reflects the setting of lossy compressed images like JPEG.
Compression & Decompression 2002-03-12
Specifying Chunk Sizes (HTML)
QTPC08: Discusses the meaning of a QuickTime movie atom's chunk value.
Design Guidelines, Movie Internals 1995-08-01
Standard Audio - Parsing the kQTSCAudioPropertyID_CodecSpecificSettingsArray property (HTML)
QA1437: Discusses how to parse the kQTSCAudioPropertyID_CodecSpecificSettingsArray property returned from StdAudio. Also see Q&A 1390.
Audio 2006-11-30
Standard Audio - Setting output ASBD returns badFormatErr (HTML)
QA1489: Discusses why badFormatErr may be returned from Standard Audio
Audio 2006-11-15
Standard Audio - The CodecSpecificSettingsArray and MagicCookie properties (HTML)
QA1390: Discusses Core Audio AudioConverter configuration with StdAudio, specifically the CodecSpecificSettingsArray property.
Audio 2006-11-16
Stepping Through QuickTime-Movie (HTML)
QTMTB28: Describes how to get the first frame of a movie using GetMovieNextInterestingTime.
Movie Basics, Movie Internals 1995-05-01
Track Editing (HTML)
QTMCC17: Discusses different APIs used to edit tracks in QuickTime movies.
Movie Basics 2000-09-22
Unwanted Audio with DV Capture (HTML) (日本語 HTML)
QA1105: Explains why audio is captured from a DV source even though you may not want to.
Movie Creation 2002-01-14
Using a QuickTime time base callback to detect when a movie has stopped (HTML) (日本語 HTML)
QA1282: Using a QuickTime time base callback (NewCallBack) to detect when a movie has stopped.
Movie Basics 2003-08-12
Using cmpWantsRegisterMessage not recommended on Mac OS X (HTML) (日本語 HTML)
QA1192: Describes why using the cmpWantsRegisterMessage flag is not recommended on Mac OS X.
QuickTime Component Creation 2003-03-11
Using ConvertMovieToFile or ConvertMovieToDataRef to convert movies without displaying the settings dialog (HTML)
QA1418: Describes how to perform movie export using ConvertMovieToFile or ConvertMovieToDataRef without displaying the dialog
Import & Export 2005-03-22
Using language-tagged QuickTime UserData text APIs with CFStrings (HTML)
QA1410: Describes how to use language-tagged QuickTime UserData text APIs with CFStrings and TextEncodings.
Carbon, Movie Basics, Movie Creation 2005-02-11
Using Mac Toolbox routines Under Windows 98/95/NT (HTML) (日本語 HTML)
QTW87: Some Macintosh Toolbox functions are available with QuickTime 3 for Windows.
QuickTime for Windows 1998-09-21
Using Mac-style Resources (HTML) (日本語 HTML)
QTW86: Using Mac-style resources in a Windows 98/95/NT or DLL using QuickTime 3 for Windows FSpOpenResFile function.
QuickTime for Windows 1998-09-21
Using MovieExportSetSampleDescription to specify the format of exported data (HTML)
QTMTB59: Describes using the ConvertMovieToFile routine to export a WAV audio-only movie to an AIFF file using a specific compressor.
Audio, Import & Export, Movie Basics 2000-09-05
Using Navigation Services to filter QuickTime files (HTML) (日本語 HTML)
QA1152: Using the CanQuickTimeOpenFile function in a Navigation Services filter to display files that QuickTime can open.
Movie Basics 2002-07-15
Using QTPixelBufferContextCreate with NewMovieFromProperties (HTML)
QA1443: Discusses using a QuickTime pixel buffer visual context and NewMovieFromProperties to output frames to pixel buffers.
Carbon, Cocoa, Graphics & Imaging, Movie Basics 2008-08-08
Using QTSetAtomData (HTML) (日本語 HTML)
QA1231: Explains what QTSetAtomData does with the data passed into it.
Carbon, Movie Basics 2003-01-14
Using QuickTime to access MP3 ID3 Tags (HTML) (日本語 HTML)
QA1135: Demonstrates how to extract User Data from QuickTime Movies.
Movie Basics 2002-04-11
Using SetMovieGWorld to draw to the window back buffer (HTML)
QA1043: Explains how to draw into the back buffer with SetMovieGWorld.
Movie Basics 2001-06-26
Using the kQTPropertyClass_DRM properties with QuickTime (HTML)
QA1476: Explains how to use the kQTPropertyClass_DRM properties with QuickTime media.
Movie Basics 2006-04-11
Using the QuickTime DVCompressor properties (HTML)
QA1438: Describes the function of the DVCompressor class component properties.
Import & Export 2005-10-04
Using the QuickTime for Java libraries on OS X (HTML) (日本語 HTML)
QA1058: Where to locate the QTJava.zip file for inclusion in your java/javac classpath.
Java 2002-04-08
Using Windows GDI for all drawing (HTML)
QTW98: Using the Windows Graphics Device Interface (GDI) for all drawing under QuickTime for Windows.
QuickTime for Windows 2000-09-05
Video capture with multiple IIDC cameras (HTML)
QA1365: Discusses factors which influence the number of IIDC cameras that can simultaniously be used for capture.
Hardware & Drivers, Movie Creation 2008-08-08
Video Digitizers - Adding Clean Aperture and Pixel Aspect Ratio Information (HTML)
QA1512: Discusses the importance of adding 'pasp' and 'clap' image description extensions to the ImageDescription returned by a VDIG.
Graphics & Imaging, Hardware & Drivers, QuickTime Component Creation 2008-11-20
Video Output Components - Implementing QTVideoOutputGetIndSoundOutput on Mac OS X (HTML) (日本語 HTML)
QA1206: Describes how to support the QTVideoOutputGetIndSoundOutput function in Mac OS X.
QuickTime Component Creation 2002-10-29
Video Output Components - QTVideoOutputGetIndImageDecompressor (HTML) (日本語 HTML)
QA1226: Discusses the QTVideoOutputGetIndImageDecompressor call.
QuickTime Component Creation 2003-01-03
Viewing multi-page PDF files (HTML) (日本語 HTML)
QA1247: How to draw each page of a multi-page PDF document using the QuickTime movie importers.
Import & Export 2003-03-05
What depth should I put in an Image Description? (HTML) (日本語 HTML)
QA1183: Describes how to select the correct value for the depth field of an image description.
Compression & Decompression 2006-11-27
What is SetMovieDefaultDataRef? (HTML) (日本語 HTML)
QTMTB48: Describes the routine SetMovieDefaultDataRef and includes sample code showing how to use it.
Movie Basics 1997-03-14
When to use PCMCIA, PC Card, and CardBus (HTML)
HW77: Explains the differences between PCMCIA, PC Card, and CardBus.
Hardware & Drivers 1999-11-15
Where do QuickTime extension files reside on Windows systems? (HTML)
QTW100: Describes where to locate QuickTime extension files on Windows systems.
Design Guidelines, QuickTime for Windows 2007-07-30
Why does my identity matrix look strange? (HTML) (日本語 HTML)
QA1227: Discusses the MatrixRecord structure and QuadToQuadMatrix function.
Graphics & Imaging, Movie Basics 2003-01-15
Why isn't my QuickTime Component recognized by iMovie '08? (HTML)
QA1545: Discusses why iMovie '08 may ignore 3rd party QuickTime Components.
Import & Export, QuickTime Component Creation 2007-10-03