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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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QuickTime |
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, QuickTime |
2008-04-24
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Determining console user login status
(HTML)
QA1133: How to determine whether a user is logged in on the console, and be notified of changes.
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Carbon, Cocoa, Darwin |
2008-04-14
|
|
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 |
2008-03-27
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Bonjour Printer Subtype for HTTP
(HTML)
QA1555: Describes how printer vendors can register their bonjour service such that Safari can see them.
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Apple Applications, Carbon, Cocoa, Core Foundation, Darwin, Enterprise IT, Networking, Open Source, Printing |
2008-03-25
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Drawing attributed strings that are both filled and stroked
(HTML)
QA1531: Describes how the value of NSStrokeWidthAttributeName indicates fill, stroke, or both, in attributed strings.
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Cocoa, Text & Fonts |
2008-03-25
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Supported KPIs
(HTML)
QA1575: Describes how to check whether a kernel function is part of a supported KPI.
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Darwin |
2008-03-25
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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, QuickTime |
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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QuickTime |
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, QuickTime, Tools |
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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QuickTime |
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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Graphics & Imaging, QuickTime |
2008-03-11
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Suppressing the "unexpectedly quit" alert
(HTML)
QA1288: Describes how to suppress the "unexpectedly quit" alert.
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Carbon, Cocoa, Darwin |
2008-03-11
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Missing Results in Xcode Project Find Window
(HTML)
QA1580: A workaround for when a search that previously returned results generates no files found in Xcode
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Tools |
2008-03-06
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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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QuickTime |
2008-03-06
|
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Common mistakes with delegation in Cocoa
(HTML)
QA1554: The two most common errors that lead to a delegate method not being received.
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Cocoa |
2008-02-27
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Disabling text completion in an NSTextField
(HTML)
QA1553: Shows how to implement a delegate method provided by NSControl to disable automatic text completion.
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Cocoa |
2008-02-27
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NSDate - Natural language date parsing in early Leopard releases
(HTML)
QA1581: Acknowledges a regression in +dateWithNaturalLanguageString: behavior of NSDate which is fixed as of 10.5.2.
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Cocoa |
2008-02-27
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Customizing Process Stack Size
(HTML)
QA1419: Describes methods for setting the stack size of a process and/or thread.
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Carbon, Cocoa, Darwin |
2008-02-20
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Re-enabling dragging from NSTableView to other applications
(HTML)
()
QA1220: Explains how to re-enable drag-and-drop from NSTableViews to other applications
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Cocoa, User Experience |
2008-02-08
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Programmatically causing restart, shutdown and/or logout
(HTML)
()
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout.
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Carbon, Cocoa, Core Foundation, Darwin, Hardware & Drivers, Mac OS X Server, Tools |
2008-01-23
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Connecting the Font Menu in Interface Builder 3
(HTML)
QA1571: How to connect and configure the Font/Format menus in Interface Builder 3.
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Cocoa, Text & Fonts, Tools, User Experience |
2008-01-21
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Enabling the application menu's "Preferences" menu item on Mac OS X
(HTML)
QA1552: Describes the two things you need to implement to enable the "Preferences" menu item on Mac OS X.
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Cocoa, User Experience |
2008-01-21
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QuickTime Media Optimization Properties
(HTML)
QA1579: Discusses the kQTMovieImporterPropertyID_AllowMediaOptimization and kQTMovieInstantiationPropertyID_AllowMediaOptimization properties.
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QuickTime |
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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QuickTime |
2008-01-08
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AGL Changes for Mac OS X Leopard (v. 10.5)
(HTML)
QA1523: This Q&A describes the new and deprecated APIs for Apple OpenGL (AGL)
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Carbon, Games, Graphics & Imaging, Porting |
2008-01-04
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Kernel's MAC framework
(HTML)
QA1574: Cautions that the kernel's MAC framework is currently not support.
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Darwin |
2008-01-04
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Debugging Process Startup
(HTML)
QA1573: Describes techniques for debugging a process's startup code.
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Tools |
2007-12-21
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How do I get the hexadecimal value of an NSColor object?
(HTML)
QA1576: Describes how to convert an NSColor object to its Hexadecimal value.
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Cocoa, Graphics & Imaging, Internet & Web, Text & Fonts |
2007-12-19
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Requirements for Quartz GL
(HTML)
QA1536: Describes the requirements for enabling Quartz GL.
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Carbon, Cocoa, Games, Graphics & Imaging, Performance, User Experience |
2007-12-12
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Why is my Ruby on Rails application with FastCGI generating "'load error /etc/irbrc" errors?
(HTML)
QA1494: Describes how to resolve an error encountered hosting Ruby on Rails applications on Mac OS X 10.5.
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Enterprise IT, Internet & Web, Mac OS X Server, Open Source, Scripting & Automation |
2007-11-28
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How can I get both Subversion (SVN) and CVS on Mac OS X 10.5 (Leopard)?
(HTML)
QA1492: Explains where to find Subversion and CVS for installation.
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Open Source, Tools |
2007-11-15
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Compiling X11 / OpenGL applications on Mac OS X v.10.5 Leopard
(HTML)
QA1567: Trying to compile X11 / OpenGL application on Mac OS X v.10.5 result on "ld: cycle in dylib re-exports with /usr/X11R6/lib/libGL.dylib""
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Enterprise IT, Graphics & Imaging, Open Source |
2007-10-30
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Descriptor Passing Problems
(HTML)
QA1541: Describes how to work around common problems with descriptor passing.
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Darwin, Networking |
2007-10-29
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Why isn't my ColorSync CMM recognized on Mac OS X 10.5?
(HTML)
QA1557: Discusses how to upgrade your ColorSync CMM to run on Mac OS X 10.5
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Graphics & Imaging |
2007-10-26
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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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QuickTime |
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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Apple Applications, QuickTime |
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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QuickTime |
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, QuickTime |
2007-09-28
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Expanding Tilde-based paths
(HTML)
QA1549: Demonstrates how to resolve tilde-based relevant paths.
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Carbon, Cocoa, Core Foundation |
2007-09-24
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Obtaining the localized application name in Cocoa
(HTML)
QA1544: Describes how to obtain several versions of the application name in Cocoa.
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Cocoa, Internationalization |
2007-09-21
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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, QuickTime |
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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QuickTime |
2007-09-13
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Adding and removing a submenu from a menu in Cocoa
(HTML)
QA1420: Explains how to dynamically add and remove menus in a Cocoa application.
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Cocoa |
2007-09-10
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Don't forget to cancel your Bonjour resolve
(HTML)
QA1297: Explains why it's important to cancel a Bonjour resolve operation.
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Carbon, Cocoa, Networking |
2007-08-30
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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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QuickTime |
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, QuickTime |
2007-08-29
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AudioConverter: How do I know when I am done?
(HTML)
QA1532: Describes how to correctly signal AudioConverter when a conversion is completed.
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Audio |
2007-08-23
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How to measure CG text
(HTML)
QA1051: Explains how to measure Core Graphics text.
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Carbon, Cocoa, Graphics & Imaging, Printing |
2007-08-02
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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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QuickTime |
2007-07-30
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Capturing a real-time movie stream
(HTML)
QA1535: Capturing real-time movie streams
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QuickTime |
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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QuickTime |
2007-07-30
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CGBitmapContextCreate Supported Color Spaces
(HTML)
QA1037: Lists the color space and alpha info combinations currently supported by CGBitmapContextCreate.
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Carbon, Cocoa, Games, Graphics & Imaging |
2007-07-18
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Ensuring hardware accelerated rendering for your OpenGL application
(HTML)
QA1502: Using the NoRecovery pixel format attribute and how to check whether vertex and fragment processing is executed on the GPU or CPU
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Games, Graphics & Imaging |
2007-07-18
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Gathering all PostScript Printer Descriptions (PPDs)
(HTML)
QA1529: Describes a work around for an issue in PMCopyAvailablePPDs on Mac OS X 10.4 and below
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Carbon, Cocoa, Graphics & Imaging, Printing |
2007-07-18
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How to handle kAudioUnitProperty_MaximumFramesPerSlice
(HTML)
QA1533: Illustrates how to use the kAudioUnitProperty_MaximumFramesPerSlice property
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Audio |
2007-07-16
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Synchronizing OpenGL rendering updates to the vertical refresh of the display
(HTML)
QA1521: How to avoid tearing by synchronizing your rendering to the display VBL
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Games, Graphics & Imaging, Performance |
2007-07-16
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Debugging a WebKit Plug-in in Xcode
(HTML)
QA1500: Directions for debugging a WebKit plug-in in Xcode.
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Apple Applications, Cocoa, Internet & Web, Tools, User Experience |
2007-06-05
|
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Unable to select input device in AU Lab
(HTML)
QA1526: AU Lab only supports physical device singletons.
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Audio |
2007-05-17
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Detecting the Caps Lock Key
(HTML)
QA1519: Explains how to detect when the caps lock key is turned on and off.
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Cocoa |
2007-05-11
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Using UTIs to Identify Image Files
(HTML)
QA1518: Explains how to use Uniform Type Identifiers to identify what files can be opened at images.
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Cocoa, Graphics & Imaging |
2007-05-11
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Printer Queue vs. Printer Name
(HTML)
QA1407: Explains the difference between a printer queue and a printer name.
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Carbon, Printing |
2007-04-26
|
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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
|
QuickTime |
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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QuickTime |
2007-04-02
|
|
Including a custom NSWindow in a nib file
(HTML)
QA1511: Shows how to create a custom NSWindow and instantiate it in a nib file.
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Cocoa, Tools |
2007-03-21
|
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Availability of Quartz Composer Patches in Web Kit
(HTML)
QA1505: Details which Quartz Composer patches are available in Web Kit
|
Apple Applications, Carbon, Cocoa, Graphics & Imaging, Internet & Web, Networking |
2007-03-05
|
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Getting the pixel data from a CGImage object
(HTML)
QA1509: Describes how to access the pixel data of a CGImage object
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Graphics & Imaging |
2007-03-05
|
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ExpressCard Prevents System Sleep
(HTML)
QA1517: Describes how some ExpressCard cards can prevent system sleep and how to fix the problem.
|
Darwin, Hardware & Drivers |
2007-02-28
|
|
Using GCOV from Xcode
(HTML)
QA1514: Illustrates configuring your Xcode project to work with the GCOV code coverage tool.
|
Tools |
2007-02-23
|
|
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
|
QuickTime |
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.
|
QuickTime |
2007-02-14
|
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Advertising a Bonjour service on a specific set of networking interfaces.
(HTML)
QA1513: Explains how to register a Bonjour service only on a specific set of networking interfaces.
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Carbon, Core Foundation, Networking, Open Source |
2007-02-12
|
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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
|
QuickTime |
2007-02-08
|
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The header file 'alut.h' is missing from the OpenAL framework.
(HTML)
QA1504: ALUT headers were removed from OpenAL.framework with the Xcode 2.4. This Q&A describes how to regain access to those system-supplied symbols
|
Audio, Carbon |
2007-02-06
|
|
Describing the kSecTrustResultUnspecified error.
(HTML)
QA1360: Explaining the semantics behind the kSecTrustResultUnspecified error returned by the Security APIs.
|
Security |
2007-02-05
|
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How do I access files contained in my AppleScript Studio application's main bundle?
(HTML)
QA1493: Explains how to access files stored within an AppleScript Studio application.
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Scripting & Automation, Tools |
2007-02-05
|
|
NSOpenPanel - Choosing any file and ignoring packages
(HTML)
QA1468: Explains how to configure NSOpenPanel to filter only files and ignoring packages.
|
Cocoa, User Experience |
2007-01-25
|
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Preventing column reordering in NSTableView
(HTML)
QA1503: Demonstrates how to prevent column reordering of certain columns in NSTableView.
|
Cocoa, User Experience |
2007-01-24
|
|
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, QuickTime |
2007-01-23
|
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Creating install packages from the command line
(HTML)
QA1284: Describes how to create install packages from the command line.
|
Tools |
2007-01-22
|
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AuthorizationCreateFromExternalForm 100022 Error Explained
(HTML)
QA1498: Explains the undocumented 100022 return value from AuthorizationCreateFromExternalForm.
|
Security |
2007-01-04
|
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Developing for VFS
(HTML)
()
QA1242: Describes Apple's position on developing external file systems (VFS plug-ins) for Mac OS X.
|
Darwin |
2006-12-22
|
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Volumes Not Showing Up On The Desktop
(HTML)
QA1491: Describes how to make a volume from a third party VFS plug-in show up on the desktop.
|
Darwin |
2006-12-20
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How can I determine the order of the languages set by the user in the Language tab of the International preference pane?
(HTML)
QA1391: Retrieving the order of the languages set by the International preference pane in Cocoa, Carbon, and Terminal.
|
Carbon, Cocoa, Internationalization |
2006-12-19
|
|
Intel-Based Macs, Dashboard, Safari, and You
(HTML)
QA1451: Concerns and details regarding widget and web development for Intel-based Macintosh computers
|
Apple Applications, Internet & Web |
2006-12-13
|
|
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, QuickTime |
2006-11-30
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|
Configuring the Recent Searches menu for NSSearchField
(HTML)
QA1496: Discusses the common problem when adding menu items to the Recent Searches menu.
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Cocoa, User Experience |
2006-11-27
|
|
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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QuickTime |
2006-11-27
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|
FSDeleteObject fails with fBsyErr, sometimes
(HTML)
QA1497: Why Spotlight indexing can cause file deletion to fail, and what to do about it.
|
Carbon |
2006-11-17
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|
Integrating With The Connect to Server Dialog
(HTML)
QA1387: Describes problems integrating a third-party network file system with Finder's Connect to Server dialog.
|
Darwin |
2006-11-16
|
|
Security Framework Error Codes
(HTML)
QA1499: Explains how to interpret errors returned by the Security Framework with an overview of Security error handling.
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Carbon, Cocoa, Darwin, Enterprise IT, Mac OS X Server, Networking, Security |
2006-11-16
|
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Standard Audio - The CodecSpecificSettingsArray and MagicCookie properties
(HTML)
QA1390: Discusses Core Audio AudioConverter configuration with StdAudio, specifically the CodecSpecificSettingsArray property.
|
Audio, QuickTime |
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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Graphics & Imaging, QuickTime |
2006-11-15
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NSProgressIndicator animation and redraw
(HTML)
QA1473: Discusses why NSProgressIndicator does not redraw during progress loops.
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Cocoa, User Experience |
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
|
Audio, QuickTime |
2006-11-15
|
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Why am I getting a bdNamErr when trying to use a file I just located?
(HTML)
QA1392: Describes the problem caused by different forbidden characters in POSIX and HFS and a solution around the problem.
|
Carbon |
2006-11-14
|
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Debugging NSTableView's "Action Invocation" binding
(HTML)
QA1472: Discusses the issues and factors that affect NSTableView's "Action Invocation" binding.
|
Cocoa, Tools, User Experience |
2006-11-13
|
|
Why is my application crashing in QuickDraw when I'm not using it?
(HTML)
QA1256: provides an explanation and workaround for a rare but serious problem affecting all applications.
|
Carbon |
2006-11-13
|
|
How can I identify the runtime environment, Carbon or Cocoa, of the current application?
(HTML)
QA1372: Identifies the runtime environment of the application. Useful only for plugins, frameworks, input methods, etc.
|
Core Foundation |
2006-11-07
|
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How to add a folder to the contents of a package
(HTML)
QA1484: Describes how to add a folder of files to the package contents of executable code
|
Tools |
2006-10-31
|
