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How can I find out what non-RGB pixel formats a codec supports?
(HTML)
( )
QA1249: Applications can find out if a codec supports non-RGB pixel formats.
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Compression & Decompression, QuickTime Component Creation |
2008-04-24
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Using QTPixelBufferContextCreate with NewMovieFromProperties
(HTML)
QA1443: Discusses using a QuickTime pixel buffer visual context and NewMovieFromProperties to output frames to pixel buffers.
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Carbon, Cocoa, Graphics & Imaging, Movie Basics |
2008-04-24
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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
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QuickTime for Windows |
2008-03-27
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QTKit Capture - Extracting SMPTE Timecode information from a QTSampleBuffer
(HTML)
QA1600: Describes how to use the QTSampleBufferSMPTETimeAttribute with a sample buffer.
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Cocoa |
2008-03-17
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Sample Description Endianness
(HTML)
QA1598: Describes the endianness of the QuickTime Sample Description Structure and their extensions.
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File Format Specification |
2008-03-17
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How to work around HIMovieViewCreate failing
(HTML)
QA1417: Describes how to work around HIMovieViewCreate failing to initialize the view in QuickTime 7
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Carbon |
2008-03-11
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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.
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Import & Export, QuickTime Component Creation |
2008-03-11
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QTKit Capture - Specifying Media Compression Settings
(HTML)
QA1586: Describes how to configure a file output object to save compressed captured media.
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Cocoa, Movie Creation |
2008-03-11
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QTKit Capture - Setting DecompressedVideoOutput CVPixelBuffer Attributes
(HTML)
QA1582: Describes how to configure a DecompressedVideoOutput objects CVPixelBuffer attributes.
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Cocoa |
2008-03-06
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QuickTime Media Optimization Properties
(HTML)
QA1579: Discusses the kQTMovieImporterPropertyID_AllowMediaOptimization and kQTMovieInstantiationPropertyID_AllowMediaOptimization properties.
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Import & Export, Movie Basics, Movie Creation |
2008-01-15
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QuickTime Audio - Rendering QuickTime Movie audio to a specific Audio Device
(HTML)
QA1578: Describes how to render Movie audio to a specific audio device.
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Audio |
2008-01-08
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Looping Audio Files with QuickTime for Windows
(HTML)
QA1559: How to Continuously Loop Audio Files with QuickTime for Windows
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Audio, Movie Basics, QuickTime for Windows |
2007-10-09
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Why isn't my QuickTime Component recognized by iMovie '08?
(HTML)
QA1545: Discusses why iMovie '08 may ignore 3rd party QuickTime Components.
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Import & Export, QuickTime Component Creation |
2007-10-03
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QuickTime Audio - Muting and GetMovieAudioFrequencyLevels
(HTML)
QA1556: Discusses the change made to the GetMovieAudioFrequencyLevels API with QuickTime 7.2.
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Audio, Carbon |
2007-09-28
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QuickTime Visual Context - Setting the kQTVisualContextOutputColorSpaceKey Attribute
(HTML)
QA1550: Describes how to configure a QuickTime OpenGL Texture Visual Context with the kQTVisualContextOutputColorSpaceKey attribute.
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Graphics & Imaging |
2007-09-28
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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.
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Graphics & Imaging |
2007-09-18
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Programatically retrieving field and frame information
(HTML)
QA1547: Discusses the use of the kICMImageDescriptionPropertyID_FieldInfo property to retrieve Field/Frame information.
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Carbon, Movie Basics |
2007-09-13
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How can I work with MPEG-2 media using QuickTime?
(HTML)
QA1540: How to work with MPEG-2 media using QuickTime.
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Import & Export, Media Types & Media Handlers, Movie Basics |
2007-08-29
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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
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Audio |
2007-08-29
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Calculating the static video frame rate of a QuickTime movie.
(HTML)
()
QA1262: Calculating the static video frame rate of a QuickTime movie.
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Movie Basics |
2007-07-30
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Capturing a real-time movie stream
(HTML)
QA1535: Capturing real-time movie streams
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Streaming |
2007-07-30
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Where do QuickTime extension files reside on Windows systems?
(HTML)
QTW100: Describes where to locate QuickTime extension files on Windows systems.
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Design Guidelines, QuickTime for Windows |
2007-07-30
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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
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Import & Export, QuickTime for Windows |
2007-04-13
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QuickTime 7.1.5 Security Enhancements
(HTML)
QA1520: Discusses the security enhancements and other changes contained in the QuickTime 7.1.5 Update.
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Import & Export, Internet & Web |
2007-04-02
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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
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Movie Basics |
2007-02-14
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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.
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Graphics & Imaging, Hardware & Drivers, QuickTime Component Creation |
2007-02-14
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Adding metadata to a QuickTime movie using the QuickTime MetaData APIs
(HTML)
QA1515: Adding metadata to a QuickTime movie using the QuickTime MetaData APIs
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Movie Basics |
2007-02-08
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Core Video - Available Pixel Formats
(HTML)
QA1501: Discusses how to determine all the pixel format types and format descriptions known to Core Video.
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Graphics & Imaging |
2007-01-23
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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.
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Audio |
2006-11-30
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What depth should I put in an Image Description?
(HTML)
()
QA1183: Describes how to select the correct value for the depth field of an image description.
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Compression & Decompression |
2006-11-27
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Standard Audio - The CodecSpecificSettingsArray and MagicCookie properties
(HTML)
QA1390: Discusses Core Audio AudioConverter configuration with StdAudio, specifically the CodecSpecificSettingsArray property.
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Audio |
2006-11-16
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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
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Compression & Decompression, Graphics & Imaging |
2006-11-15
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Standard Audio - Setting output ASBD returns badFormatErr
(HTML)
QA1489: Discusses why badFormatErr may be returned from Standard Audio
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Audio |
2006-11-15
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Compression Sessions - Multipass encoding and the pass mode flags
(HTML)
QA1457: Discusses how the pass mode flags work when performing multipass compression operations.
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Carbon, Compression & Decompression |
2006-10-02
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MovieAudioExtraction - Extracting all available audio samples
(HTML)
QA1481: Describes how to correct for MovieAudioExtraction missing some audio samples at the end of audio files.
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Audio |
2006-07-18
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QuickTime Audio - Retrieving the correct audio format bit depth value
(HTML)
QA1477: Discusses how to retrieve accurate audio format bit depth.
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Audio |
2006-05-17
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Using the kQTPropertyClass_DRM properties with QuickTime
(HTML)
QA1476: Explains how to use the kQTPropertyClass_DRM properties with QuickTime media.
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Movie Basics |
2006-04-11
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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.
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Audio |
2006-03-29
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Creating a Movie from Movie Data in Memory
(HTML)
QA1341: Describes how to create a movie from movie data in memory.
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Import & Export, Movie Basics, Movie Creation |
2006-03-21
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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.
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Import & Export, Movie Creation |
2006-03-03
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The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
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Hardware & Drivers |
2006-02-22
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Is QuickTime thread-safe?
(HTML)
QA1088: Discusses thread-safety and reentrancy of the QuickTime library on both Mac & Windows.
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Design Guidelines, Movie Basics |
2006-02-14
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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
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QuickTime for Windows |
2006-02-07
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Sequence Grabber preallocates large file when recording
(HTML)
QA1411: Describes how to prevent the Sequence Grabber from filling your entire disk when recording.
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Carbon, Movie Creation |
2006-02-06
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QuickTime Audio - Easy Frequency Level Metering with MovieAudio APIs
(HTML)
QA1459: Describes how to perform frequency band level metering using MovieAudio metering APIs.
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Audio, Carbon, Cocoa, Movie Basics |
2006-01-26
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Compression Sessions - Configuring options using the Standard Compression dialog
(HTML)
QA1456: Discusses how to configure Compression Session options using Standard Compression dialog.
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Carbon, Compression & Decompression |
2006-01-12
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Compression Sessions - Enabling muti-pass encoding
(HTML)
QA1450: Describes how to enable multi-pass encoding when using ICM compression sessions.
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Carbon, Graphics & Imaging, Movie Creation |
2006-01-12
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Compression Sessions - Temporal compression options
(HTML)
QA1455: Discusses the temporal compression option as it relates to quality and other compression session options.
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Carbon, Compression & Decompression, Movie Creation |
2006-01-12
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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.
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Carbon, Compression & Decompression, Graphics & Imaging |
2006-01-12
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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.
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Compression & Decompression |
2006-01-12
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Sound Manager Codec support in QuickTime 7
(HTML)
QA1448: Describes QuickTime 7 support for constant bitrate and variable bitrate Sound Manager codecs
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Audio |
2005-10-26
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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.
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Movie Creation |
2005-10-24
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Compression Sessions - Configuring codec quality settings
(HTML)
QA1444: Discusses how to set encoding quality for a Compression Sequence
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Carbon, Graphics & Imaging |
2005-10-17
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Importer Components - What is the 'mcfg' resource used for?
(HTML)
()
QA1267: Discusses the Media Configuration 'mcfg' resource which lists Importer Component file type characteristics and its use.
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QuickTime Component Creation |
2005-10-17
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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
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Movie Basics, QuickTime for Windows |
2005-10-04
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Using the QuickTime DVCompressor properties
(HTML)
QA1438: Describes the function of the DVCompressor class component properties.
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Import & Export |
2005-10-04
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Implementing a CVFillExtendedPixelsCallBack
(HTML)
QA1440: Discusses how you implement a Core Video custom extended pixel fill callback function.
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Carbon, Compression & Decompression, Graphics & Imaging, QuickTime Component Creation |
2005-09-06
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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.
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Carbon, Graphics & Imaging, QuickTime Component Creation |
2005-09-06
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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
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Media Types & Media Handlers |
2005-09-01
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iSight - Configuring gain settings for IIDC cameras
(HTML)
QA1421: Discusses how to configure features of IIDC cameras, specifically gain for the iSight
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Carbon, Hardware & Drivers |
2005-04-06
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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
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Import & Export |
2005-03-22
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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.
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Carbon, Import & Export, QuickTime Component Creation |
2005-03-08
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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.
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Carbon, Compression & Decompression, Graphics & Imaging, Movie Creation |
2005-02-25
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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
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Carbon, Hardware & Drivers, Movie Creation |
2005-01-06
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SetSoundMediaBalance balance parameter clarification
(HTML)
()
QTMTB49: Describes correct parameter values for the SetSoundMediaBalance routine.
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Audio, Movie Basics |
2004-12-01
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GetDIBFromPict fails with QuickTime "Minimum" installation
(HTML)
QA1294: Demonstrates how to check for any available QuickTime components required by individual QuickTime functions.
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Movie Basics, QuickTime for Windows |
2004-09-28
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Adding a movie reference to a movie
(HTML)
QA1376: Demonstrates how to add a reference for a movie to another movie
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Carbon, Movie Basics |
2004-09-16
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Adjusting the movie brightness
(HTML)
QA1382: Demonstrates how to adjust the brightness of a movie for playback.
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Video Effects & Transitions |
2004-09-16
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Movies - Saving movie playback hints
(HTML)
QA1366: Explains how to save and load media play hints from Movie files.
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Carbon, Cocoa, Movie Basics |
2004-09-14
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Avoiding Pauses When Looping Audio files with QuickTime
(HTML)
QA1371: Demonstrates how to avoid pauses when looping audio files with QuickTime
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Audio, Games, Movie Basics |
2004-09-08
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Sequence Grabber - Video capture with multiple IIDC cameras
(HTML)
QA1365: Discusses factors which influence the number of IIDC cameras that can simultaniously be used for capture.
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Hardware & Drivers, Movie Creation |
2004-08-25
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Getting a Packet Trace
(HTML)
()
QA1176: Lists tools available for looking at the network packets on the wire.
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Internet & Web |
2004-07-13
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Available FireWire Isochronous Bandwidth
(HTML)
QA1356: Discusses attempting to "pre-flight" an isochronous bandwidth allocation request by reading the currently available bandwidth.
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Audio, Hardware & Drivers |
2004-07-07
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Dynamically registering a bundled component
(HTML)
QA1083: Describes how to dynamically register a Component which resides in an Application bundle.
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Carbon, QuickTime Component Creation |
2004-06-07
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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.
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Graphics & Imaging, Import & Export |
2004-06-03
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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.
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Movie Creation |
2004-04-06
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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
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Movie Creation |
2004-04-06
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QuickTime movies require a valid graphics port
(HTML)
QA1345: The QuickTime Movie Toolbox requires a valid graphics port for all movies.
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Movie Basics |
2004-03-19
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DV Codec settings and performance
(HTML)
()
QA1149: Discusses the difference between compression quality, decompression quality, and performance with the DV codec.
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Compression & Decompression, Movie Basics |
2004-01-20
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QuickTime Effects - How to set up parameter description values when using kParameterTypeDataImage
(HTML)
()
QA1326: Setting up an effect parameter description when using kParameterTypeDataImage as the parameter data type.
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Video Effects & Transitions |
2003-12-09
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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.
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Movie Creation |
2003-10-24
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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.
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Carbon, Cocoa |
2003-10-21
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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.
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Import & Export |
2003-10-06
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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.
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Movie Creation |
2003-09-23
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Sequence Grabber - How do I save user settings as CFPreferences?
(HTML)
QA1286: Saving UserData settings returned from the Sequence Grabber as CFPreferences.
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Movie Creation |
2003-09-04
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Using a QuickTime time base callback to detect when a movie has stopped
(HTML)
()
QA1282: Using a QuickTime time base callback (NewCallBack) to detect when a movie has stopped.
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Movie Basics |
2003-08-12
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Filtering QuickTime media types in Navigation Services
(HTML)
()
QA1274: Describes how to filter QuickTime media types in a Navigation Services filter procedure.
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Movie Basics |
2003-07-23
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Sequence Grabber Source, Video, and Channel Bounds
(HTML)
()
QA1250: Explains the QuickTime Sequence Grabber's relationship between the Source, Video, and Channel Bounds when capturing video.
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Movie Creation |
2003-07-16
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Image Decompressor Data-loading Procs
(HTML)
()
QTMCC19: Explains how to use an image decompressor's data-loading proc.
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Compression & Decompression, QuickTime Component Creation |
2003-07-10
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How do I count the frames in an MPEG movie?
(HTML)
()
QTMTB54: Talks about using the QuickTime Movie Toolbox function GetMovieNextInterestingTime with MPEG media tracks.
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Movie Basics |
2003-05-02
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Is ColorSync thread safe?
(HTML)
()
QA1261: Discusses ColorSync thread-safety issues.
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Graphics & Imaging |
2003-04-17
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Disabling QuickTime Error Dialogs When Opening or Tasking a Movie
(HTML)
()
QA1164: How to disable QuickTime error dialogs which may be presented when opening or tasking a movie.
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Movie Basics |
2003-03-20
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QuickTime Error -2127 qtNetworkAlreadyAllocatedErr Explained
(HTML)
()
QA1244: QuickTime qtNetworkAlreadyAllocatedErr error code (-2127) occurs when the user's Connection Speed preference setting is too slow.
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Transport & Delivery |
2003-03-20
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Using cmpWantsRegisterMessage not recommended on Mac OS X
(HTML)
()
QA1192: Describes why using the cmpWantsRegisterMessage flag is not recommended on Mac OS X.
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QuickTime Component Creation |
2003-03-11
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How can I verify that a Movie can actually draw into a non-RGB GWorld?
(HTML)
()
QA1243: Techniques to verify that a Movie can actually draw into a non-RGB GWorld.
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Compression & Decompression, Movie Basics |
2003-03-05
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Viewing multi-page PDF files
(HTML)
()
QA1247: How to draw each page of a multi-page PDF document using the QuickTime movie importers.
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Import & Export |
2003-03-05
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Movie Export Components - Supporting a MovieProgressProc
(HTML)
()
QA1230: Explains the steps needed to support a movie progress proc in a movie export component.
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QuickTime Component Creation |
2003-01-31
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Why does my identity matrix look strange?
(HTML)
()
QA1227: Discusses the MatrixRecord structure and QuadToQuadMatrix function.
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Graphics & Imaging, Movie Basics |
2003-01-15
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Using QTSetAtomData
(HTML)
()
QA1231: Explains what QTSetAtomData does with the data passed into it.
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Carbon, Movie Basics |
2003-01-14
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Video Output Components - QTVideoOutputGetIndImageDecompressor
(HTML)
()
QA1226: Discusses the QTVideoOutputGetIndImageDecompressor call.
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QuickTime Component Creation |
2003-01-03
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