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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.
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Audio |
2009-04-12
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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 |
2004-07-07
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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 |
2004-09-08
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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.
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Audio |
2000-09-05
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Creating Core Audio Format (.caf) Files
(HTML)
QA1534: Describes how to use afconvert to create .caf files
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Audio |
2009-01-07
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Developing a QuickTime Musical Instrument
(HTML)
Deprecated - QTMA05: Explains resolving the lack of QuickTime 2.0 API support for creating new music components.
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Audio |
1995-05-01
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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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Looping Audio Files with QuickTime for Windows
(HTML)
QA1559: How to Continuously Loop Audio Files with QuickTime for Windows
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Audio |
2007-10-09
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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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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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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
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Audio |
2008-11-05
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Playing memory-resident WAVE data using QuickTime 4
(HTML)
( )
QTMTB52: Explains how to play memory-resident WAVE data in QuickTime 4 or later.
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Audio |
1999-07-21
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Playing QuickTime 3 Movie Sound Data
(HTML)
()
QTMTB50: Explains why a movie's sound data can continue to play longer than video data.
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Audio |
1998-11-09
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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 |
2009-01-29
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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 |
2007-09-28
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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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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 |
2008-11-05
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QuickTime Music Architecture Header Update
(HTML)
()
QTMA06: Explains missing and changed items in QuickTime 2.5.
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Audio |
1996-08-21
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SetSoundMediaBalance balance parameter clarification
(HTML)
()
QTMTB49: Describes correct parameter values for the SetSoundMediaBalance routine.
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Audio |
2004-12-01
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Setting Sequence Grabber Sound Input Device Driver Parameters
(HTML)
()
QA1204: Setting sound input device driver parameters for QuickTime sequence grabber audio channels.
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Audio |
2002-10-25
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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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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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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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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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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.
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Audio |
2000-09-05
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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 |
2004-09-16
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Base-Derived async image codecs must implement ImageCodecQueueStarting and ImageCodecQueueStopping
(HTML)
()
QA1157: Describes why base-derived codecs that set canAsync must implement ImageCodecQueueStarting and ImageCodecQueueStopping.
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Carbon |
2002-07-09
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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 |
2005-10-17
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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 |
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 |
2006-01-12
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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 |
2006-10-02
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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 |
2006-01-12
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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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Carbon |
2001-03-20
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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 |
2006-01-12
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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 |
2004-06-07
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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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Carbon |
2001-03-20
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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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Implementing a CVFillExtendedPixelsCallBack
(HTML)
QA1440: Discusses how you implement a Core Video custom extended pixel fill callback function.
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Carbon |
2005-09-06
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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.
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Carbon |
1995-09-15
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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 |
2005-04-06
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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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Carbon |
2001-02-26
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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 |
2005-02-25
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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 |
2005-03-08
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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 |
2004-09-14
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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 |
2007-09-13
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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 |
2003-10-21
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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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Carbon |
2009-01-29
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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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Carbon |
2007-09-28
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QuickTime Supported YUV Pixel Formats
(HTML)
QA1060: Describes which YUV pixel formats are supported by QuickTime.
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Carbon |
2001-07-19
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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 |
2005-09-06
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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 |
2005-01-06
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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 |
2006-02-06
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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.
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Carbon |
2005-02-11
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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 |
2008-08-08
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Using QTSetAtomData
(HTML)
()
QA1231: Explains what QTSetAtomData does with the data passed into it.
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Carbon |
2003-01-14
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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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Cocoa |
2004-09-14
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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.
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Cocoa |
2008-05-19
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QTKit Capture - Disabling specific audio channels when recording
(HTML)
QA1617: Describes how to disable specific audio channels when recording using QTKit Capture.
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Cocoa |
2008-10-13
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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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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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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 |
2008-03-11
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QTKit Capture - Video Compression Options And Preview
(HTML)
QA1583: Describes how video compression options may influence the resolution of previewed video.
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Cocoa |
2008-09-16
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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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Cocoa |
2003-10-21
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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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Cocoa |
2009-01-29
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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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Cocoa |
2008-08-08
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48 bit & 64 bit Pixel Format support in QuickTime
(HTML)
()
QA1114: Discusses QuickTime's support for pixel formats with more than 8 bits per channel.
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Compression & Decompression |
2002-02-07
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Base-Derived async image codecs must implement ImageCodecQueueStarting and ImageCodecQueueStopping
(HTML)
()
QA1157: Describes why base-derived codecs that set canAsync must implement ImageCodecQueueStarting and ImageCodecQueueStopping.
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Compression & Decompression |
2002-07-09
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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 |
2006-11-15
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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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Compression & Decompression |
2006-01-12
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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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Compression & Decompression |
2006-10-02
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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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Compression & Decompression |
2006-01-12
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CompressSequenceBegin & Ethernet in QuickTime
(HTML)
QTICM13: Describes resolving an issue with missing ImageDescription when sending compressed images over Ethernet using CompressSequenceBegin.
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Compression & Decompression |
1995-05-01
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Creating Thumbnail PICTs
(HTML)
QTICM08: Describes transforming the generic icons of QuickTime PICT-created files into thumbnail icons of these PICTs.
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Compression & Decompression |
1995-05-01
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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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Compression & Decompression |
2006-01-12
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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 |
2004-01-20
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GDGetScale
(HTML)
Deprecated - QTICM04: Describes the function call GDGetScale, its parameters, and errors it may encounter.
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Compression & Decompression |
1995-05-01
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GDHasScale
(HTML)
Deprecated - QTICM03: Describes the function GDHasScale; lists what it returns, its main purpose, parameters, and possible errors.
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Compression & Decompression |
1995-05-01
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GDSetScale
(HTML)
Deprecated - QTICM05: Describes the function GDSetScale, its parameters, and the errors it may encounter.
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Compression & Decompression |
1995-05-01
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Graphics Importer -8970 errors & TIFF Support
(HTML)
QTMCC18: Discusses the -8970 error when using graphics importers with certain TIFF files.
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Compression & Decompression |
2000-11-29
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GraphicsImportSetBoundsRect resets your Matrix
(HTML)
()
QA1144: Discusses how calling GraphicsImportSetBoundsRect will reset a graphics importers matrix.
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Compression & Decompression |
2002-05-29
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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 |
2008-04-24
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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 |
2003-03-05
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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.
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Compression & Decompression |
1995-05-01
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Image Compression Dialog Options
(HTML)
QTICM14: Describes how to display an extra Options button in the normal Image Compression dialog.
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Compression & Decompression |
1995-08-01
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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 |
2003-07-10
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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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Compression & Decompression |
2005-09-06
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Keyframes and AddMediaSample
(HTML)
QTMCC20: Describes setting flags correctly for AddMediaSample to mark keyframes and difference frames.
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Compression & Decompression |
2000-12-01
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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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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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Compression & Decompression |
2005-02-25
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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
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Compression & Decompression |
1995-05-01
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Quality of QuickTime video effects
(HTML)
QA1089: Describes some of the factors affecting QuickTime video effects quality.
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Compression & Decompression |
2001-10-26
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QuickTime & Noise Problems
(HTML)
QTPC02: Talks about ways to reduce noise in movies created with the CinePak codec.
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Compression & Decompression |
1995-05-01
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QuickTime Supported YUV Pixel Formats
(HTML)
QA1060: Describes which YUV pixel formats are supported by QuickTime.
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Compression & Decompression |
2001-07-19
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spatialQuality Values with Lossy Compression
(HTML)
()
QA1126: Describes how the spatialQuality value reflects the setting of lossy compressed images like JPEG.
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Compression & Decompression |
2002-03-12
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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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Creating Sample Descriptor Atoms for a Non-Mac Device
(HTML)
QTPC06: Lists a reference for information on QuickTime atoms and their formats.
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Design Guidelines |
1995-08-01
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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 |
2006-02-14
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QuickTime and Carbon Events
(HTML)
QA1090: Discusses how to ensure smooth movie playback when using Carbon Events in an application.
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Design Guidelines |
2001-10-26
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Specifying Chunk Sizes
(HTML)
QTPC08: Discusses the meaning of a QuickTime movie atom's chunk value.
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Design Guidelines |
1995-08-01
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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 |
2007-07-30
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