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Sorted by
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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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2008-11-20
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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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2008-08-08
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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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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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2007-09-18
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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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2007-01-23
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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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2006-11-15
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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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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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2006-01-12
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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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2005-10-17
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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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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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2005-09-06
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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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2005-02-25
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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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2004-06-03
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Is ColorSync thread safe?
(HTML)
( )
QA1261: Discusses ColorSync thread-safety issues.
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2003-04-17
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Why does my identity matrix look strange?
(HTML)
()
QA1227: Discusses the MatrixRecord structure and QuadToQuadMatrix function.
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2003-01-15
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Preserving embedded ICC profiles when using QuickTime Graphics Importer/Exporters
(HTML)
()
QA1145: Shows how to preserve the embedded ICC profile when using the QuickTime Graphics Importer/Exporter routines
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2002-09-04
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Creating Sub GWorlds using QTNewGWorldFromPtr
(HTML)
QA1014: Using QTNewGWorldFromPtr to create sub GWorlds which reference the pixel data of other GWorlds.
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2001-03-20
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Extracting DV Fields using QTNewGWorldFromPtr
(HTML)
QA1017: Describes using QTNewGWorldFromPtr to access individual fields contained within a frame of DV source.
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2001-03-20
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LockPixels and DisposeGWorld with QTNewGWorldFromPtr
(HTML)
QA1007: Clarifies some issues surrounding pointer ownership when creating GWorlds with QTNewGWorldFromPtr
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2001-02-26
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