QuickTime Kit Reference Update - filibeto.org
QuickTime Kit Reference Update - filibeto.org QuickTime Kit Reference Update - filibeto.org
QuickTime Kit Reference Update 2007-07-18
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<strong>QuickTime</strong> <strong>Kit</strong> <strong>Reference</strong> <strong>Update</strong><br />
2007-07-18
Apple Inc.<br />
© 2007 Apple Inc.<br />
All rights reserved.<br />
No part of this publication may be<br />
reproduced, stored in a retrieval system, or<br />
transmitted, in any form or by any means,<br />
mechanical, electronic, photocopying,<br />
recording, or otherwise, without prior<br />
written permission of Apple Inc., with the<br />
following exceptions: Any person is hereby<br />
authorized to store documentation on a<br />
single computer for personal use only and<br />
to print copies of documentation for<br />
personal use provided that the<br />
documentation contains Apple’s copyright<br />
notice.<br />
The Apple logo is a trademark of Apple Inc.<br />
Use of the “keyboard” Apple logo<br />
(Option-Shift-K) for commercial purposes<br />
without the prior written consent of Apple<br />
may constitute trademark infringement and<br />
unfair competition in violation of federal<br />
and state laws.<br />
No licenses, express or implied, are granted<br />
with respect to any of the technology<br />
described in this document. Apple retains<br />
all intellectual property rights associated<br />
with the technology described in this<br />
document. This document is intended to<br />
assist application developers to develop<br />
applications only for Apple-labeled or<br />
Apple-licensed computers.<br />
Every effort has been made to ensure that<br />
the information in this document is<br />
accurate. Apple is not responsible for<br />
typographical errors.<br />
Apple Inc.<br />
1 Infinite Loop<br />
Cupertino, CA 95014<br />
408-996-1010<br />
Apple, the Apple logo, Cocoa, Mac, Mac<br />
OS, Objective-C, Quartz, and <strong>QuickTime</strong><br />
are trademarks of Apple Inc., registered in<br />
the United States and other countries.<br />
Aperture is a trademark of Apple Inc.<br />
OpenGL is a registered trademark of Silicon<br />
Graphics, Inc.<br />
Simultaneously published in the United<br />
States and Canada.<br />
Even though Apple has reviewed this document,<br />
APPLE MAKES NO WARRANTY OR<br />
REPRESENTATION, EITHER EXPRESS OR<br />
IMPLIED, WITH RESPECT TO THIS<br />
DOCUMENT, ITS QUALITY, ACCURACY,<br />
MERCHANTABILITY, OR FITNESS FOR A<br />
PARTICULAR PURPOSE. AS A RESULT, THIS<br />
DOCUMENT IS PROVIDED “AS IS,” AND<br />
YOU, THE READER, ARE ASSUMING THE<br />
ENTIRE RISK AS TO ITS QUALITY AND<br />
ACCURACY.<br />
IN NO EVENT WILL APPLE BE LIABLE FOR<br />
DIRECT, INDIRECT, SPECIAL, INCIDENTAL,<br />
OR CONSEQUENTIAL DAMAGES<br />
RESULTING FROM ANY DEFECT OR<br />
INACCURACY IN THIS DOCUMENT, even if<br />
advised of the possibility of such damages.<br />
THE WARRANTY AND REMEDIES SET<br />
FORTH ABOVE ARE EXCLUSIVE AND IN<br />
LIEU OF ALL OTHERS, ORAL OR WRITTEN,<br />
EXPRESS OR IMPLIED. No Apple dealer, agent,<br />
or employee is authorized to make any<br />
modification, extension, or addition to this<br />
warranty.<br />
Some states do not allow the exclusion or<br />
limitation of implied warranties or liability for<br />
incidental or consequential damages, so the<br />
above limitation or exclusion may not apply to<br />
you. This warranty gives you specific legal<br />
rights, and you may also have other rights which<br />
vary from state to state.
Contents<br />
Introduction to QT<strong>Kit</strong> <strong>Reference</strong> <strong>Update</strong> 5<br />
Organization of This Document 5<br />
See Also 5<br />
10.5 Symbol Changes 7<br />
Classes 7<br />
NSCoder 7<br />
NSObject 7<br />
NSValue 8<br />
QTCaptureAudioPreviewOutput (New) 8<br />
QTCaptureConnection (New) 9<br />
QTCaptureDecompressedVideoOutput (New) 9<br />
QTCaptureDevice (New) 10<br />
QTCaptureDeviceInput (New) 11<br />
QTCaptureFileOutput (New) 11<br />
QTCaptureInput (New) 13<br />
QTCaptureLayer (New) 13<br />
QTCaptureOutput (New) 13<br />
QTCaptureSession (New) 14<br />
QTCaptureVideoPreviewOutput (New) 14<br />
QTCaptureView (New) 15<br />
QTCompressionOptions (New) 15<br />
QTFormatDescription (New) 16<br />
QTMovie 17<br />
QTMovieLayer (New) 19<br />
QTMovieView 19<br />
QTSampleBuffer (New) 20<br />
QTTrack 21<br />
C Symbols 22<br />
QTCaptureConnection.h 22<br />
QTCaptureDevice.h 23<br />
QTCaptureFileOutput.h 26<br />
QTCaptureSession.h 26<br />
QTError.h 27<br />
QTFormatDescription.h 28<br />
QT<strong>Kit</strong>Defines.h 29<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
3
4<br />
QTMedia.h 29<br />
QTMovie.h 29<br />
QTSampleBuffer.h 31<br />
QTTime.h 32<br />
QTTrack.h 32<br />
10.3 Symbol Changes 33<br />
Classes 33<br />
NSCoder 33<br />
NSObject 33<br />
NSValue 34<br />
QTData<strong>Reference</strong> (New) 34<br />
QTMedia (New) 36<br />
QTMovie (New) 37<br />
QTMovieView (New) 42<br />
QTTrack (New) 43<br />
C Symbols 45<br />
QTData<strong>Reference</strong>.h 45<br />
QTMedia.h 45<br />
QTMovie.h 47<br />
QTMovieView.h 53<br />
QTTime.h 53<br />
QTTimeRange.h 54<br />
QTTrack.h 55<br />
QTUtilities.h 56<br />
Document Revision History 57<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
This document summarizes the symbols that have been added to the QT<strong>Kit</strong> framework. The full<br />
reference documentation notes in what version a symbol was introduced, but sometimes it's useful<br />
to see only the new symbols for a given release.<br />
If you are not familiar with this framework you should refer to the complete framework reference<br />
documentation.<br />
Organization of This Document<br />
See Also<br />
Introduction to QT<strong>Kit</strong> <strong>Reference</strong> <strong>Update</strong><br />
Symbols are grouped by class or protocol for Objective-C and by header file for C. For each symbol<br />
there is a link to complete documentation, if available, and a brief description, if available.<br />
For reference documentation on this framework, see <strong>QuickTime</strong> <strong>Kit</strong> Framework <strong>Reference</strong>.<br />
Organization of This Document 5<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
Introduction to QT<strong>Kit</strong> <strong>Reference</strong> <strong>Update</strong><br />
6 See Also<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
Classes<br />
10.5 Symbol Changes<br />
This article lists the symbols added to QT<strong>Kit</strong>.framework in Mac OS X v10.5.<br />
All of the classes with new symbols are listed alphabetically, with their new class, instance, and<br />
delegate methods described.<br />
NSCoder<br />
Complete reference information is available in the NSCoder reference.<br />
Instance Methods<br />
decodeSMPTETimeForKey:<br />
encodeSMPTETime:forKey:<br />
NSObject<br />
Decodes an SMPTETime structure encoded by the receiver<br />
for the given key.<br />
Encodes an SMPTETime for the given key.<br />
Complete reference information is available in the NSObject reference.<br />
Instance Methods<br />
captureOutput:didFinishRecordingToOutputFileAtURL:<br />
forConnections:dueToError:<br />
captureOutput:didOutputSampleBuffer: fromConnection:<br />
captureOutput:didOutputVideoFrame:<br />
withSampleBuffer:fromConnection:<br />
Called whenever the video preview<br />
output outputs a new video frame.<br />
Classes 7<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
captureOutput:didStartRecordingToOutputFileAtURL:<br />
forConnections:<br />
captureOutput:mustChangeOutputFileAtURL:<br />
forConnections:dueToError:<br />
captureOutput:shouldChangeOutputFileAtURL:<br />
forConnections:dueToError:<br />
captureOutput: willFinishRecordingToOutputFileAtURL:<br />
forConnections:dueToError:<br />
captureOutput:willStartRecordingToOutputFileAtURL:<br />
forConnections:<br />
view:willDisplayImage:<br />
NSValue<br />
Complete reference information is available in the NSValue reference.<br />
Class Methods<br />
valueWithSMPTETime:<br />
Instance Methods<br />
SMPTETimeValue<br />
Delegates of QTCaptureView can<br />
implement this method to modify<br />
the image that is to be drawn into<br />
a QTCaptureView.<br />
Returns a new NSValue object containing an SMPTETime.<br />
Returns a SMPTETime structure contained in an NSValue.<br />
QTCaptureAudioPreviewOutput (New)<br />
Complete reference information is available in the QTCaptureAudioPreviewOutput reference.<br />
Instance Methods<br />
outputDeviceUniqueID<br />
setOutputDeviceUniqueID:<br />
setVolume:<br />
8 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns the unique ID of the Core Audio output device being used<br />
to play preview audio.<br />
Sets the unique ID of the Core Audio output device being used to<br />
play preview audio.<br />
Sets the preview volume of the output.
10.5 Symbol Changes<br />
volume<br />
QTCaptureConnection (New)<br />
Returns the preview volume of the output.<br />
Complete reference information is available in the QTCaptureConnection reference.<br />
Instance Methods<br />
attributeForKey:<br />
attributeIsReadOnly:<br />
connectionAttributes<br />
formatDescription<br />
isEnabled<br />
mediaType<br />
owner<br />
setAttribute:forKey:<br />
setConnectionAttributes:<br />
setEnabled:<br />
Returns the current value of the connection attribute for key.<br />
Returns whether the given attribute for the connection cannot be<br />
modified.<br />
Returns a dictionary of all attributes set for the receiver.<br />
Returns the format description of the receiver.<br />
Returns whether the receiver is enabled.<br />
Returns the <strong>QuickTime</strong> media type of the receiver.<br />
Returns the QTCaptureInput or QTCaptureOutput that owns the<br />
receiver.<br />
Sets a connection attribute for the given key. Raises an<br />
NSInvalidArgumentException if the attribute is read-only.<br />
Sets the connection’s attributes from the key-value pairs specified<br />
in the given dictionary. This method raises an<br />
NSInvalidArgumentException if any of the attributes in the<br />
dictionary are read-only.<br />
Sets whether the receiver is enabled.<br />
QTCaptureDecompressedVideoOutput (New)<br />
Complete reference information is available in the QTCaptureDecompressedVideoOutput reference.<br />
Instance Methods<br />
delegate<br />
outputVideoFrame:withSampleBuffer:fromConnection:<br />
Returns the receiver’s delegate.<br />
Called whenever the receiver outputs<br />
a new video frame.<br />
Classes 9<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
pixelBufferAttributes<br />
setDelegate:<br />
setPixelBufferAttributes:<br />
Delegate Methods<br />
captureOutput:didOutputVideoFrame:<br />
withSampleBuffer:fromConnection:<br />
QTCaptureDevice (New)<br />
Returns the Core Video pixel buffer<br />
attributes previously set by<br />
setPixelBufferAttributes: that<br />
determine what kind of pixel buffers<br />
are output by the receiver.<br />
Sets the receiver’s delegate.<br />
Sets the CoreVideo pixel buffer<br />
attributes that determine what kind<br />
of pixel buffers are output by the<br />
receiver.<br />
Called whenever the video preview output<br />
outputs a new video frame.<br />
Complete reference information is available in the QTCaptureDevice reference.<br />
Class Methods<br />
defaultInputDeviceWithMediaType:<br />
deviceWithUniqueID:<br />
inputDevices<br />
inputDevicesWithMediaType:<br />
Instance Methods<br />
attributeForKey:<br />
attributeIsReadOnly:<br />
close<br />
10 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns a QTCaptureDevice instance for the default device<br />
connected to the user’s system of the given media type.<br />
Returns a QTCaptureDevice instance with the identifier<br />
device UID.<br />
Returns an array of devices currently connected to the<br />
computer that can be used as input sources.<br />
Returns an array of input devices currently connected to<br />
the computer that send a stream with the given media<br />
type.<br />
Returns a device attribute for the given key.<br />
Returns whether the given attribute for the device cannot be<br />
modified.<br />
Releases application control over the device acquired in the open:<br />
method.
10.5 Symbol Changes<br />
deviceAttributes<br />
formatDescriptions<br />
hasMediaType:<br />
isConnected<br />
isInUseByAnotherApplication<br />
isOpen<br />
localizedDisplayName<br />
modelUniqueID<br />
open:<br />
setAttribute:forKey:<br />
setDeviceAttributes:<br />
uniqueID<br />
QTCaptureDeviceInput (New)<br />
Returns a dictionary of the device’s current attirbutes.<br />
Returns an array of stream formats currently in use by the device.<br />
Returns whether the receiver sends a stream with the given<br />
media type.<br />
Returns YES if the device is connected to the computer.<br />
Returns YES is the device is connected, but being exclusively<br />
used by another application.<br />
Returns YES if the device is open in the current application.<br />
Returns a localized human-readable name for the receiver’s<br />
device.<br />
Returns the unique ID of the model of the receiver’s device.<br />
Attempts to give the application control over the device so that<br />
it can be used for capture.<br />
Sets a device attribute for the given key.<br />
Sets attributes on the device from the key-value pairs in the given<br />
dictionary.<br />
Returns the unique ID of the receiver’s device.<br />
Complete reference information is available in the QTCaptureDeviceInput reference.<br />
Class Methods<br />
deviceInputWithDevice:<br />
Instance Methods<br />
device<br />
initWithDevice:<br />
QTCaptureFileOutput (New)<br />
Returns an autoreleased instance of QTCaptureDeviceInput<br />
associated with the given device.<br />
Returns the device associated with the receiver.<br />
Returns an instance of QTCaptureDeviceInput associated with the<br />
given device.<br />
Complete reference information is available in the QTCaptureFileOutput reference.<br />
Classes 11<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
Instance Methods<br />
compressionOptionsForConnection:<br />
delegate<br />
maximumRecordedDuration<br />
maximumRecordedFileSize<br />
outputFileURL<br />
recordedDuration<br />
recordedFileSize<br />
recordToOutputFileURL:<br />
recordToOutputFileURL:bufferDestination:<br />
setCompressionOptions:forConnection:<br />
setDelegate:<br />
setMaximumRecordedDuration:<br />
setMaximumRecordedFileSize:<br />
Delegate Methods<br />
Returns the options the receiver uses to<br />
compress media on the given connection as it is<br />
being captured.<br />
Returns the receiver’s delegate.<br />
Returns the maximum duration of the media<br />
that should be recorded by the receiver.<br />
Returns the maximum file size, in bytes, of the<br />
file that should be recorded by the receiver.<br />
Returns the file written to by the receiver.<br />
Returns the duration of the media recorded by<br />
the receiver.<br />
Returns the size, in bytes, of the data recorded<br />
by the receiver to output files.<br />
Sets the file written to by the receiver.<br />
Sets the file written to by the receiver, specifying<br />
where the sample buffer currently in flight<br />
should be recorded.<br />
Sets the options the receiver uses to compress<br />
media on the given connection as it is being<br />
captured.<br />
Sets the receiver’s delegate.<br />
Sets the maximum duration of the media that<br />
should be recorded by the receiver.<br />
Sets the maximum file size, in bytes, of the file<br />
that should be recorded by the receiver.<br />
captureOutput:didFinishRecordingToOutputFileAtURL: forConnections:dueToError:<br />
captureOutput:didOutputSampleBuffer: fromConnection:<br />
captureOutput:didStartRecordingToOutputFileAtURL: forConnections:<br />
captureOutput:mustChangeOutputFileAtURL: forConnections:dueToError:<br />
captureOutput:shouldChangeOutputFileAtURL: forConnections:dueToError:<br />
captureOutput: willFinishRecordingToOutputFileAtURL: forConnections:dueToError:<br />
12 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
captureOutput:willStartRecordingToOutputFileAtURL: forConnections:<br />
QTCaptureInput (New)<br />
Complete reference information is available in the QTCaptureInput reference.<br />
Instance Methods<br />
connections<br />
QTCaptureLayer (New)<br />
Returns an array of connections owned by the receiver.<br />
Complete reference information is available in the QTCaptureLayer reference.<br />
Class Methods<br />
layerWithSession:<br />
Instance Methods<br />
initWithSession:<br />
session<br />
setSession:<br />
QTCaptureOutput (New)<br />
Creates an autoreleased QTCaptureLayer associated with the specified<br />
QTCaptureSession object.<br />
Creates a QTCaptureLayer associated with the specified<br />
QTCaptureSession object.<br />
Returns the capture session associated with a QTCaptureLayer object.<br />
Sets or resets the capture session associated with a QTCaptureLayer<br />
object.<br />
Complete reference information is available in the QTCaptureOutput reference.<br />
Instance Methods<br />
connections<br />
Returns an array of connections owned by the receiver that are currently<br />
connected to a capture session.<br />
Classes 13<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
QTCaptureSession (New)<br />
Complete reference information is available in the QTCaptureSession reference.<br />
Instance Methods<br />
addInput:error:<br />
addOutput:error:<br />
inputs<br />
isRunning<br />
outputs<br />
removeInput:<br />
removeOutput:<br />
startRunning<br />
stopRunning<br />
Adds an input to the receiver.<br />
Adds an output to the receiver.<br />
Returns an array of inputs connected to the receiver.<br />
Returns whether the receiver is running.<br />
Returns an array of outputs connected to the receiver.<br />
Removes an input from the receiver.<br />
Removes an output from the receiver.<br />
QTCaptureVideoPreviewOutput (New)<br />
Tells the receiver to start capturing data from its inputs and sending<br />
data to its outputs.<br />
Tells the receiver to stop capturing data from its inputs and sending<br />
data to its outputs.<br />
Complete reference information is available in the QTCaptureVideoPreviewOutput reference.<br />
Instance Methods<br />
delegate<br />
outputVideoFrame:withSampleBuffer:fromConnection:<br />
pixelBufferAttributes<br />
setDelegate:<br />
setPixelBufferAttributes:<br />
setVisualContext:forConnection:<br />
visualContextForConnection:<br />
14 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns the receiver’s delegate.<br />
Called whenever the receiver outputs<br />
a new video frame.<br />
Sets the receiver’s delegate.<br />
Sets the <strong>QuickTime</strong> visual context<br />
used to preview the video for the<br />
described connection.<br />
Returns the <strong>QuickTime</strong> visual<br />
context used to preview the video for<br />
the given connection.
10.5 Symbol Changes<br />
QTCaptureView (New)<br />
Complete reference information is available in the QTCaptureView reference.<br />
Instance Methods<br />
availableVideoPreviewConnections<br />
captureSession<br />
delegate<br />
fillColor<br />
preservesAspectRatio<br />
previewBounds<br />
setCaptureSession:<br />
setDelegate:<br />
setFillColor:<br />
setPreservesAspectRatio:<br />
setVideoPreviewConnection:<br />
videoPreviewConnection<br />
Delegate Methods<br />
view:willDisplayImage:<br />
QTCompressionOptions (New)<br />
Returns an array of output video connections that can be<br />
previewed.<br />
Returns the capture session being previewed by the<br />
receiver.<br />
Returns the receiver’s delegate.<br />
Returns the fill color drawn in the area of the view not<br />
covered by the video preview.<br />
Returns whether the receiver preserves the aspect ratio of<br />
the video preview when drawing it.<br />
Returns the rectangle occupied by the video preview in<br />
the view.<br />
Sets the capture session to be previewed by the receiver.<br />
Sets the receiver’s delegate.<br />
Sets the fill color drawn in the area of the view not covered<br />
by the video preview.<br />
Sets whether the receiver preserves the aspect ratio of the<br />
video preview when drawing it.<br />
Sets the output connection to be previewed by the receiver.<br />
Returns the output connection being previewed by the<br />
receiver.<br />
Delegates of QTCaptureView can implement this method to modify<br />
the image that is to be drawn into a QTCaptureView.<br />
Complete reference information is available in the QTCompressionOptions reference.<br />
Classes 15<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
Class Methods<br />
compressionOptionsIdentifiersForMediaType:<br />
compressionOptionsWithIdentifier:<br />
Instance Methods<br />
isEqualToCompressionOptions:<br />
localizedCompressionOptionsSummary<br />
localizedDisplayName<br />
mediaType<br />
QTFormatDescription (New)<br />
Returns an array of identifiers that can be<br />
used to create compression options on the<br />
user's computer.<br />
Returns a QTCompressionOptions instance<br />
configured with the options for the given<br />
identifier.<br />
Returns whether the receiver contains options identical<br />
to those in the given compression options object.<br />
Returns a localized summary of the receiver's<br />
compression options.<br />
Returns a short localized name describing the receiver’s<br />
compression options.<br />
Returns the media type on which the receiver’s<br />
compression options should be used.<br />
Complete reference information is available in the QTFormatDescription reference.<br />
Instance Methods<br />
attributeForKey:<br />
formatDescriptionAttributes<br />
formatType<br />
isEqualToFormatDescription:<br />
localizedFormatSummary<br />
mediaType<br />
quickTimeSampleDescription<br />
16 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns the current value of the format description attribute<br />
for the given key.<br />
Returns a dictionary of all attributes set for the receiver.<br />
Returns the format type of the described media.<br />
Returns whether the receiver describes the same format as the<br />
given format description.<br />
Returns a localized summary of the media format.<br />
Returns the media type of the described media.<br />
Returns the media’s <strong>QuickTime</strong> SampleDescription.
10.5 Symbol Changes<br />
QTMovie<br />
Complete reference information is available in the QTMovie reference.<br />
Class Methods<br />
enterQT<strong>Kit</strong>OnThread<br />
enterQT<strong>Kit</strong>OnThreadDisablingThreadSafetyProtection<br />
exitQT<strong>Kit</strong>OnThread<br />
movieTypesWithOptions:<br />
Instance Methods<br />
addChapters:withAttributes:error:<br />
attachToCurrentThread<br />
autoplay<br />
chapterCount<br />
chapterIndexForTime:<br />
chapters<br />
Performs any <strong>QuickTime</strong>-specific<br />
initialization for the current<br />
(non-main) thread; must be paired<br />
with a call to exitQT<strong>Kit</strong>OnThread.<br />
Performs any <strong>QuickTime</strong>-specific<br />
initialization for the current<br />
(non-main) thread, allowing<br />
non-threadsafe components; must be<br />
paired with a call to<br />
exitQT<strong>Kit</strong>OnThread.<br />
Performs any <strong>QuickTime</strong>-specific<br />
shut-down for the current<br />
(non-main) thread; must be paired<br />
with a call to enterQT<strong>Kit</strong>OnThread<br />
or enterQT<strong>Kit</strong>OnThreadDisabling-<br />
ThreadSafetyProtection.<br />
Returns an array of UTIs that<br />
<strong>QuickTime</strong> can open.<br />
Attaches the receiver to the current thread;<br />
returns YES if successful, NO otherwise.<br />
Sets a movie to start playing when a<br />
sufficient amount of media data is<br />
available.<br />
Returns the number of chapters in the<br />
receiver, or 0 if there are no chapters.<br />
Returns the 0-based index of the chapter<br />
that contains the specified movie time.<br />
Returns an NSArray containing<br />
information about the chapters in the<br />
receiver.<br />
Classes 17<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
detachFromCurrentThread<br />
frameImageAtTime:withAttributes:error:<br />
generateApertureModeDimensions<br />
hasChapters<br />
initToWritableData:error:<br />
initToWritableData<strong>Reference</strong>:error:<br />
initToWritableFile:error:<br />
insertSegmentOfTrack:fromRange:scaledToRange:<br />
insertSegmentOfTrack:timeRange:atTime:<br />
invalidate<br />
isIdling<br />
removeApertureModeDimensions<br />
removeChapters<br />
removeTrack:<br />
setIdling:<br />
setVisualContext:<br />
18 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Detaches the receiver from the current<br />
thread; returns YES if successful, NO<br />
otherwise.<br />
Returns an NSImage*, CIImage*,<br />
CGImageRef, CVPixelBufferRef, or<br />
CVOpenGLTextureRef for the movie<br />
image at the specified time<br />
Adds information to a QTMovie needed<br />
to support aperture modes for tracks<br />
created with applications and/or versions<br />
of <strong>QuickTime</strong> that did not support<br />
aperture mode dimensions.<br />
Returns YES if the receiver has chapters,<br />
NO otherwise.<br />
Useful for directly passing filenames and<br />
data objects. The QTMovie returned by<br />
this method is editable.<br />
Creates a new storage container at the<br />
location specified by data<strong>Reference</strong> and<br />
returns a QTMovie object that has that<br />
container as its default data reference.<br />
Useful for directly passing filenames and<br />
data objects. The QTMovie returned by<br />
this method is editable.<br />
Removes aperture mode dimension<br />
information from a movie's tracks.<br />
Removes any existing chapters from the<br />
receiver.<br />
Sets the movie to idle YES or not to idle<br />
NO.
10.5 Symbol Changes<br />
startTimeOfChapter:<br />
visualContext<br />
writeToFile:withAttributes:error:<br />
QTMovieLayer (New)<br />
Complete reference information is available in the QTMovieLayer reference.<br />
Class Methods<br />
layerWithMovie:<br />
Instance Methods<br />
initWithMovie:<br />
movie<br />
setMovie:<br />
QTMovieView<br />
Returns a QTTime structure that is the<br />
start time of the chapter having the<br />
specified 0-based index in the list of<br />
chapters.<br />
Returns an NSError object if an error<br />
occurs and if errorPtr is non-NULL.<br />
Creates an autoreleased QTMovieLayer associated with the specified<br />
QTMovie object.<br />
Creates a QTMovieLayer associated with the specified QTMovie<br />
object.<br />
Returns the movie associated with a QTMovieLayer object.<br />
Complete reference information is available in the QTMovieView reference.<br />
Instance Methods<br />
areStepButtonsVisible<br />
areZoomButtonsVisible<br />
delegate<br />
isBackButtonVisible<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Classes 19<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
isCustomButtonVisible<br />
isHotSpotButtonVisible<br />
isTranslateButtonVisible<br />
isVolumeButtonVisible<br />
setBackButtonVisible:<br />
setCustomButtonVisible:<br />
setDelegate:<br />
setHotSpotButtonVisible:<br />
setStepButtonsVisible:<br />
setTranslateButtonVisible:<br />
setVolumeButtonVisible:<br />
setZoomButtonsVisible:<br />
QTSampleBuffer (New)<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Returns the current visibility state of the specified controller bar<br />
button.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Sets the specified controller bar button to be visible or invisible,<br />
according to the state parameter.<br />
Complete reference information is available in the QTSampleBuffer reference.<br />
Instance Methods<br />
attributeForKey:<br />
audioBufferListWithOptions:<br />
bytesForAllSamples<br />
decodeTime<br />
decrementSampleUseCount<br />
20 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns a sample buffer attribute for the given<br />
key.<br />
Returns the decode time of the buffer.
10.5 Symbol Changes<br />
duration<br />
formatDescription<br />
getAudioStreamPacketDescriptions:inRange:<br />
incrementSampleUseCount<br />
lengthForAllSamples<br />
numberOfSamples<br />
presentationTime<br />
sampleBufferAttributes<br />
sampleUseCount<br />
QTTrack<br />
Complete reference information is available in the QTTrack reference.<br />
Instance Methods<br />
apertureModeDimensionsForMode:<br />
generateApertureModeDimensions<br />
Returns the duration of the buffer.<br />
Returns the format description of the buffer.<br />
Gets an array of CoreAudio<br />
AudioStreamPacketDescriptions describing<br />
the lengths of samples in variable bit rate audio<br />
buffers.<br />
Returns the number of media samples<br />
contained in the buffer.<br />
Returns the presentation time of the buffer.<br />
Returns a dictionary of the sample buffer's<br />
current attirbutes.<br />
Returns an NSSize value that indicates the dimensions<br />
of the target track for the specified movie aperture<br />
mode. For instance, passing a mode of<br />
QTMovieApertureModeClean would cause<br />
apertureModeDimensionsForMode: to return the track<br />
dimensions to use in clean aperture mode.<br />
Adds information to a QTTrack needed to support<br />
aperture modes for tracks created with applications<br />
and/or versions of <strong>QuickTime</strong> that did not support<br />
aperture mode dimensions. If the image descriptions<br />
in the track lack tags describing clean aperture and pixel<br />
aspect ratio information, the media data is scanned to<br />
see if the correct values can be divined and attached.<br />
Then the aperture mode dimensions are calculated and<br />
set. Afterwards, the QTTrackHasApertureMode-<br />
DimensionsAttribute property will be set to YES for this<br />
track. Tracks that do not support aperture modes are<br />
not changed.<br />
Classes 21<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
C Symbols<br />
10.5 Symbol Changes<br />
removeApertureModeDimensions<br />
setApertureModeDimensions:forMode:<br />
Removes aperture mode dimension information from<br />
the target track. It does not attempt to modify sample<br />
descriptions, so it may not completely reverse the effects<br />
of generateApertureModeDimensions. It sets the<br />
QTTrackHasApertureModeDimensionsAttribute<br />
property to NO.<br />
Sets the dimensions of the target track for the specified<br />
movie aperture mode.<br />
All of the header files with new symbols are listed alphabetically, with their new symbols described.<br />
QTCaptureConnection.h<br />
Data Types & Constants<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTCaptureConnectionAttributeDidChangeNotification<br />
QTCaptureConnectionAttributeWillChangeNotification<br />
QTCaptureConnectionAudioAveragePowerLevelsAttribute<br />
QTCaptureConnectionAudioMasterVolumeAttribute<br />
22 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Posted when one of the connection’s<br />
attributes has changed. The<br />
notification’s userInfo dictionary<br />
will contain the attribute key of the<br />
changed attribute for the key<br />
QTCaptureConnectionChanged-<br />
AttributeKey.<br />
Posted when one of the connection’s<br />
attributes is about to change. The<br />
notification’s userInfo dictionary<br />
will contain the attribute key of the<br />
changed attribute for the key<br />
QTCaptureConnectionChanged-<br />
AttributeKey.<br />
Value is an NSArray of NSNumbers<br />
that correspond to the average<br />
power, in decibels, of each audio<br />
stream sent through the connection.<br />
Value is an NSNumber that<br />
specifies the master volume of all<br />
audio channels sent through the<br />
connection.
10.5 Symbol Changes<br />
QTCaptureConnectionAudioPeakHoldLevelsAttribute<br />
QTCaptureConnectionAudioVolumesAttribute<br />
QTCaptureConnectionChangedAttributeKey<br />
QTCaptureConnectionEnabledAudioChannelsAttribute<br />
QTCaptureConnectionFormatDescription-<br />
DidChangeNotification<br />
QTCaptureConnectionFormatDescription-<br />
WillChangeNotification<br />
QTCaptureDevice.h<br />
Data Types & Constants<br />
Value is an NSArray of NSNumbers<br />
that correspond to the peak hold<br />
level, in decibels, of each audio<br />
channel sent through the<br />
connection.<br />
Value is an NSArray of NSNumbers<br />
that specify the volumes of audio<br />
channels sent through the<br />
connection.<br />
Used as a key in the userInfo<br />
dictionary passed to<br />
QTCaptureConnectionAttribute-<br />
WillChangeNotification, and<br />
QTCaptureConnectionAttribute-<br />
DidChangeNotification to indicate<br />
the the key of that attribute that<br />
changed.<br />
Value is an NSIndexSet that<br />
specifies which audio channels<br />
should be sent through the<br />
connection.<br />
Posted when the format description<br />
of a connection has changed.<br />
Applications can be notified of<br />
changes to a connection’s format by<br />
registering to receive this<br />
notification.<br />
Posted when the format description<br />
of a connection is about to change.<br />
Applications can be notified of<br />
changes to a connection’s format by<br />
registering to receive this<br />
notification.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTCaptureDeviceAttributeDidChangeNotification<br />
Posted when the one of device’s<br />
attributes has changed.<br />
C Symbols 23<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
QTCaptureDeviceAttributeWillChangeNotification<br />
QTCaptureDeviceAvailableInputSourcesAttribute<br />
QTCaptureDeviceAVCTransportControlsAttribute<br />
QTCaptureDeviceAVCTransportControls-<br />
FastestForwardSpeed<br />
QTCaptureDeviceAVCTransportControls-<br />
FastestReverseSpeed<br />
QTCaptureDeviceAVCTransportControlsFastForwardSpeed<br />
QTCaptureDeviceAVCTransportControlsFastReverseSpeed<br />
QTCaptureDeviceAVCTransport-<br />
ControlsNormalForwardSpeed<br />
QTCaptureDeviceAVCTransport-<br />
ControlsNormalReverseSpeed<br />
QTCaptureDeviceAVCTransportControlsNotPlayingMode<br />
QTCaptureDeviceAVCTransportControlsPlaybackMode<br />
QTCaptureDeviceAVCTransportControlsPlaybackModeKey<br />
QTCaptureDeviceAVCTransportControlsPlayingMode<br />
QTCaptureDeviceAVCTransportControls-<br />
SlowestForwardSpeed<br />
QTCaptureDeviceAVCTransportControls-<br />
SlowestReverseSpeed<br />
QTCaptureDeviceAVCTransportControlsSlowForwardSpeed<br />
QTCaptureDeviceAVCTransportControlsSlowReverseSpeed<br />
QTCaptureDeviceAVCTransportControlsSpeed<br />
24 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Posted when one of the device's<br />
attributes is about to change.<br />
The value is an NSDictionary with<br />
keys and values described under<br />
QTCaptureDevice AVC Transport<br />
Controls.
10.5 Symbol Changes<br />
QTCaptureDeviceAVCTransportControlsSpeedKey<br />
QTCaptureDeviceAVCTransportControlsStoppedSpeed<br />
QTCaptureDeviceAVCTransportControls-<br />
VeryFastForwardSpeed<br />
QTCaptureDeviceAVCTransportControls-<br />
VeryFastReverseSpeed<br />
QTCaptureDeviceAVCTransportControls-<br />
VerySlowForwardSpeed<br />
QTCaptureDeviceAVCTransportControls-<br />
VerySlowReverseSpeed<br />
QTCaptureDeviceChangedAttributeKey<br />
QTCaptureDeviceFormatDescriptions-<br />
DidChangeNotification<br />
QTCaptureDeviceFormatDescriptions-<br />
WillChangeNotification<br />
QTCaptureDeviceInputSourceIdentifierAttribute<br />
QTCaptureDeviceInputSourceIdentifierKey<br />
QTCaptureDeviceInputSourceLocalizedDisplayNameKey<br />
QTCaptureDeviceLegacySequenceGrabberAttribute<br />
The value is an NSNumber<br />
interpreted as a<br />
QTCaptureDeviceAVCTransport-<br />
ControlsSpeed. This is one of the<br />
keys that comprise the<br />
NSDictionary that specifies the<br />
linear media playback mode and<br />
rate given by the<br />
QTCaptureDeviceAVCTransport-<br />
ControlsAttribute.<br />
Indicates the key of the attribute<br />
that changed.<br />
Posted when the device’s formats<br />
that are returned by the<br />
formatDescriptions method have<br />
just changed.<br />
Posted when the device's formats<br />
that are returned by the<br />
formatDescriptions method are<br />
about to change.<br />
Some older devices are opened and<br />
conreolled by legacy Sequence<br />
Grabber components. Applications<br />
that need to configure legacy<br />
devices directly through the<br />
Sequence Grabber configuration<br />
dialog can access an open<br />
component instance with this<br />
attribute.<br />
C Symbols 25<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
QTCaptureDeviceLinkedDevicesAttribute<br />
QTCaptureDeviceSuspendedAttribute<br />
QTCaptureDeviceWasConnectedNotification<br />
QTCaptureDeviceWasDisconnectedNotification<br />
QTCaptureFileOutput.h<br />
Data Types & Constants<br />
The value is an NSArray of<br />
QTCaptureDevice instances.<br />
Specifies if the device is suspended<br />
(if the lens cover is closed, for<br />
instance). Value is a boolean<br />
NSValue.<br />
Posted when a device is connected<br />
or turned on.<br />
Posted when a device is<br />
disconnected or turned off.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTCaptureFileOutputBufferDestination<br />
QTCaptureFileOutputBufferDestinationNewFile<br />
QTCaptureFileOutputBufferDestinationOldFile<br />
QTCaptureSession.h<br />
Data Types & Constants<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTCaptureSessionErrorKey<br />
26 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Used as a notification key in the user info<br />
dictionary passed to<br />
QTCaptureSessionRuntimeErrorNotification to<br />
indicate the error responsible for the notification.
10.5 Symbol Changes<br />
QTCaptureSessionRuntimeErrorNotification<br />
QTError.h<br />
Data Types & Constants<br />
Posted when an error occurs that while a capture<br />
session is running prevents input media from<br />
being previewed or captured. The notification<br />
user info dictionary QTCaptureSessionErrorKey<br />
entry contains an NSError object that describes<br />
the error that prevented the session from<br />
running properly. Normally, such errors are<br />
caused by an invalid configuration of inputs and<br />
outputs.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTErrorCaptureInputKey<br />
QTErrorCaptureOutputKey<br />
QTErrorDeviceAlreadyUsedbyAnotherSession<br />
QTErrorDeviceExcludedByAnotherDevice<br />
QTErrorDeviceInUseByAnotherApplication<br />
QTErrorDeviceKey<br />
QTErrorDeviceNotConnected<br />
QTErrorDeviceWasDisconnected<br />
QTErrorDiskFull<br />
QTErrorExcludingDeviceKey<br />
QTErrorIncompatibleInput<br />
QTErrorIncompatibleOutput<br />
The device could not be added to the session<br />
because it experiences a runtime error trying to<br />
use a device already being used by another<br />
session.<br />
The device is excluded by another device.<br />
The device is in use by another application.<br />
The device is not connected to the computer.<br />
The recording has been automatically stopped<br />
because an input device was disconnected.<br />
The recording has been automatically stopped<br />
because the disk being used for recorded<br />
products is full.<br />
The input could not be added to the specified<br />
session because it is incompatible with existing<br />
inputs and outputs in the session.<br />
The output could not be added to the specified<br />
session because it is incompatible with existing<br />
inputs and outputs in the session.<br />
C Symbols 27<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
QTErrorInvalidInputsOrOutputs<br />
QTErrorMaximumDurationReached<br />
QTErrorMaximumFileSizeReached<br />
QTErrorMediaChanged<br />
QTErrorMediaDiscontinuity<br />
QTErrorNoDataCaptured<br />
QTErrorRecordingSuccesfullyFinishedKey<br />
QTErrorSessionConfigurationChanged<br />
QTErrorUnknown<br />
QT<strong>Kit</strong>ErrorDomain<br />
QTFormatDescription.h<br />
Data Types & Constants<br />
Returned when recording has reached the<br />
maximum duration specified by the application.<br />
Returned when recording has reached the<br />
maximum file size specified by the application.<br />
The recording has been automatically stopped<br />
because the format of the input media changed<br />
or the media samples were invalid.<br />
Returned when there is a discontinuity in<br />
captured media, usually because of perfomance<br />
problems on the user's system or because of a<br />
change in a device's state. This error generally<br />
indicates that media samples have been dropped<br />
in order to maintain real time capture.<br />
Returned when no data was successfully<br />
captured during a recording or other capture<br />
operation.<br />
The recording has been automatically stopped<br />
because an input or output has been added or<br />
removed, or the channels of an input or output<br />
have changed.<br />
Indicates an unexpected or unknown error.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTFormatDescriptionAudioChannelLayoutAttribute<br />
QTFormatDescriptionAudioMagicCookieAttribute<br />
QTFormatDescriptionAudioStream-<br />
BasicDescriptionAttribute<br />
QTFormatDescriptionVideoClean-<br />
ApertureDisplaySizeAttribute<br />
28 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns an NSData interpreted as<br />
Returns an NSData interpreted as<br />
Returns an NSValue interpreted as<br />
a<br />
Returns an NSValue interpreted as<br />
an NSSize that indicates
10.5 Symbol Changes<br />
QTFormatDescriptionVideoEncodedPixelsSizeAttribute<br />
QTFormatDescriptionVideoProduction-<br />
ApertureDisplaySizeAttribute<br />
QT<strong>Kit</strong>Defines.h<br />
Data Types & Constants<br />
Returns an NSValue interpreted as<br />
an NSSize that indicates<br />
Returns an NSValue interpreted as<br />
an NSSize that indicates the<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
TimeCode64MediaType<br />
QTMedia.h<br />
Data Types & Constants<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTMediaTypeMuxed<br />
QTMediaTypeQuartzComposer<br />
QTMovie.h<br />
Data Types & Constants<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
C Symbols 29<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
QTMovieApertureModeAttribute<br />
QTMovieApertureModeClassic<br />
QTMovieApertureModeClean<br />
QTMovieApertureModeDidChangeNotification<br />
QTMovieApertureModeEncodedPixels<br />
QTMovieApertureModeProduction<br />
QTMovieChapterName<br />
QTMovieChapterStartTime<br />
QTMovieChapterTargetTrackAttribute<br />
QTMovieFrameImageDeinterlaceFields<br />
QTMovieFrameImageHighQuality<br />
QTMovieFrameImageOpenGLContext<br />
QTMovieFrameImagePixelFormat<br />
QTMovieFrameImageRepresentationsType<br />
QTMovieFrameImageSingleField<br />
QTMovieFrameImageSize<br />
QTMovieFrameImageType<br />
30 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Sets the aperture mode attribute on a QTMovie<br />
object to indicate whether aspect ratio and<br />
clean aperture correction should be performed.<br />
When a movie is in clean, production, or<br />
encoded pixels aperture mode, each track's<br />
dimensions are overridden by special<br />
dimensions for that mode. The original track<br />
dimensions are preserved and can be restored<br />
by setting the movie into classic aperture mode.<br />
Aperture modes are not saved in movies. The<br />
associated value is of type NSString and is<br />
assumed to be one of the following strings:<br />
Issued when the aperture mode of the target<br />
QTMovie object changes.<br />
A key indicating the chapter name in the<br />
dictionaries that are array elements in the array<br />
returned by QTMovie chapters or passed to<br />
QTMovie addChapters:withAttributes:error.<br />
Aey indicating the chapter start time in the<br />
dictionaries that are array elements in the array<br />
returned by QTMovie chapters or passed<br />
to QTMovie addChapters:withAttributes:error.<br />
A key indicating the track in the QTMovie<br />
object that is the target of the chapter track.<br />
Image is high quality.<br />
For CVOpenGLTextureRef, the OpenGL<br />
context to use.<br />
For CVOpenGLTextureRef, the pixel format to<br />
use.<br />
For NSImage, the image representations in the<br />
image.<br />
Image is single field.<br />
Size of the image.<br />
Type of the image.
10.5 Symbol Changes<br />
QTMovieFrameImageTypeCGImageRef<br />
QTMovieFrameImageTypeCIImage<br />
QTMovieFrameImageTypeCVOpenGLTextureRef<br />
QTMovieFrameImageTypeCVPixelBufferRef<br />
QTMovieFrameImageTypeNSImage<br />
QTMovieHasApertureModeDimensionsAttribute<br />
QTMovieLoadState<br />
QTMovieLoadStateComplete<br />
QTMovieLoadStateError<br />
QTMovieLoadStateLoaded<br />
QTMovieLoadStateLoading<br />
QTMovieLoadStatePlayable<br />
QTMovieLoadStatePlaythroughOK<br />
QTSampleBuffer.h<br />
Data Types & Constants<br />
The aperture mode dimensions set on any track<br />
in this QTMovie object, even if those<br />
dimemsions are all identical to the classic<br />
dimensions (as is the case for content with<br />
square pixels and no edge-processing region).<br />
The value for this key is of type NSNumber,<br />
interpreted as a BOOL.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTSampleBufferAudioBufferList-<br />
OptionAssure16ByteAlignment<br />
QTSampleBufferAudioBufferListOptions<br />
QTSampleBufferDateRecordedAttribute<br />
QTSampleBufferExplicitSceneChange<br />
QTSampleBufferHostTimeAttribute<br />
Returns the date on which the media<br />
in the buffer was originally recorded.<br />
This indicates that a scene change was<br />
explicitly marked in the sample buffer's<br />
metadata.<br />
C Symbols 31<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.5 Symbol Changes<br />
QTSampleBufferSceneChangeTypeAttribute<br />
QTSampleBufferSMPTETimeAttribute<br />
QTSampleBufferTimeStampDiscontinuitySceneChange<br />
QTTime.h<br />
Functions<br />
If the buffer marks a scene change in<br />
the input content, returns a constant<br />
described in Scene Change Types<br />
specifying the type of scene change.<br />
Returns the SMPTE timecode fo the<br />
sample buuffer, if it has one.<br />
This indicates that the scene changed<br />
due to a discontinuity in time stamps<br />
between the current sample buffer and<br />
the previous sample buffer.<br />
All of the new functions in this header file are listed alphabetically, with links to documentation and<br />
abstracts, if available.<br />
QTStringFromSMPTETime<br />
QTTrack.h<br />
Data Types & Constants<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTTrackFormatSummaryAttribute<br />
QTTrackHasApertureModeDimensionsAttribute<br />
QTTrackIsChapterTrackAttribute<br />
32 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
An NSString that is a localized,<br />
human-readable string that summarizes a<br />
track’s format; for example, “16-bit Integer (Big<br />
Endian), Stereo (L R), 48.000 kHz”. This<br />
attribute is gettable but not settable.<br />
The value to determine whether aperture mode<br />
dimensions have been set on a track, even if<br />
they are all identical to the classic dimensions<br />
(as is the case for content with square pixels<br />
and no edge-processing region).
Classes<br />
10.3 Symbol Changes<br />
This article lists the symbols added to Quartz.framework in Mac OS X v10.3.<br />
All of the classes with new symbols are listed alphabetically, with their new class, instance, and<br />
delegate methods described.<br />
NSCoder<br />
Complete reference information is available in the NSCoder reference.<br />
Instance Methods<br />
decodeQTTimeForKey:<br />
decodeQTTimeRangeForKey:<br />
encodeQTTime:forKey:<br />
encodeQTTimeRange:forKey:<br />
NSObject<br />
Decodes a QTTime structure.<br />
Decodes a QTTimeRange structure.<br />
Encodes a QTTime structure.<br />
Encodes a QTTimeRange structure range.<br />
Complete reference information is available in the NSObject reference.<br />
Instance Methods<br />
externalMovie:<br />
This method is called, if implemented by a<br />
QTMovie delegate object, when an external<br />
movie needs to be found (usually for a wired<br />
action targeted at an external movie).<br />
Classes 33<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
movie:linkToURL:<br />
movie:shouldContinueOperation:withPhase:<br />
atPercent:withAttributes:<br />
movieShouldLoadData:<br />
movieShouldTask:<br />
NSValue<br />
Called to handle the mcAction<br />
mcActionLinkToURL.<br />
Complete reference information is available in the NSValue reference.<br />
Class Methods<br />
valueWithQTTime:<br />
valueWithQTTimeRange:<br />
Instance Methods<br />
QTTimeRangeValue<br />
QTTimeValue<br />
QTData<strong>Reference</strong> (New)<br />
If implemented, this method is called<br />
periodically during lengthy operations (such as<br />
exporting a movie).<br />
If a QTMovie object has a delegate and that<br />
delegate implements this method, that method<br />
will be called before QT<strong>Kit</strong> performs the<br />
standard idle processing on a movie.<br />
Creates an NSValue object that wraps the specified QTTime<br />
structure.<br />
Creates an NSValue object that wraps the specified QTTimeRange<br />
structure.<br />
Returns a QTTimeRange structure that contains the range in an<br />
NSValue object.<br />
Returns a QTTime structure that contains the time in an NSValue<br />
object.<br />
Complete reference information is available in the QTData<strong>Reference</strong> reference.<br />
Class Methods<br />
data<strong>Reference</strong>WithDataRef:type:<br />
34 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Creates a QTData<strong>Reference</strong> object of<br />
type type initialized with data from<br />
dataRef.
10.3 Symbol Changes<br />
data<strong>Reference</strong>WithDataRefData:type:<br />
data<strong>Reference</strong>With<strong>Reference</strong>ToData:<br />
data<strong>Reference</strong>With<strong>Reference</strong>ToData:name:MIMEType:<br />
data<strong>Reference</strong>With<strong>Reference</strong>ToFile:<br />
data<strong>Reference</strong>With<strong>Reference</strong>ToURL:<br />
Instance Methods<br />
dataRef<br />
dataRefData<br />
dataRefType<br />
initWithDataRef:type:<br />
initWithDataRefData:type:<br />
initWith<strong>Reference</strong>ToData:<br />
initWith<strong>Reference</strong>ToData:name:MIMEType:<br />
initWith<strong>Reference</strong>ToFile:<br />
initWith<strong>Reference</strong>ToURL:<br />
Creates a QTData<strong>Reference</strong> object of<br />
type type initialized with data from<br />
dataRefData.<br />
Creates a QTData<strong>Reference</strong> object for<br />
the data block data.<br />
Creates a QTData<strong>Reference</strong> object for<br />
the data block data; this data reference<br />
has two data reference extensions, a<br />
filenaming extension and a MIME type<br />
extension.<br />
Creates a QTData<strong>Reference</strong> object for<br />
the file fileName.<br />
Creates a QTData<strong>Reference</strong> object for<br />
the URL url.<br />
Returns the <strong>QuickTime</strong> data reference associated<br />
with a QTData<strong>Reference</strong> object.<br />
Returns the <strong>QuickTime</strong> data reference data<br />
associated with a QTData<strong>Reference</strong> object, stored<br />
in an NSData object.<br />
Returns the type of the data reference associated<br />
with a QTData<strong>Reference</strong> object.<br />
Initializes a newly created QTData<strong>Reference</strong> object<br />
with data from dataRef; the QTData<strong>Reference</strong> is<br />
of type dataRefType.<br />
Initializes a newly created QTData<strong>Reference</strong> object<br />
with data from dataRefData; the QTData<strong>Reference</strong><br />
is of type dataRefType.<br />
Initializes a newly created QTData<strong>Reference</strong> object<br />
for the data block data.<br />
Initializes a newly created QTData<strong>Reference</strong> object<br />
for the data block data; this data reference has two<br />
data reference extensions, a filenaming extension<br />
and a MIME type extension.<br />
Initializes a newly created QTData<strong>Reference</strong> object<br />
for the file fileName.<br />
Initializes a newly created QTData<strong>Reference</strong> object<br />
for the URL url.<br />
Classes 35<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
MIMEType<br />
name<br />
referenceData<br />
referenceFile<br />
referenceURL<br />
setDataRef:<br />
setDataRefType:<br />
QTMedia (New)<br />
Complete reference information is available in the QTMedia reference.<br />
Class Methods<br />
mediaWith<strong>QuickTime</strong>Media:error:<br />
Instance Methods<br />
attributeForKey:<br />
hasCharacteristic:<br />
initWith<strong>QuickTime</strong>Media:error:<br />
mediaAttributes<br />
quickTimeMedia<br />
36 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns the type in a MIME type extension<br />
associated with a QTData<strong>Reference</strong> object.<br />
Returns the name in a filenaming extension<br />
associated with a QTData<strong>Reference</strong> object<br />
Returns the reference data of a QTData<strong>Reference</strong><br />
object, that is, the NSData object passed to<br />
initWith<strong>Reference</strong>ToData or<br />
initWith<strong>Reference</strong>ToData:name: MIMEType.<br />
Returns the file name of the data reference<br />
associated with a QTData<strong>Reference</strong> object.<br />
Returns the URL of the data reference associated<br />
with a QTData<strong>Reference</strong> object.<br />
Sets the data reference data of a QTData<strong>Reference</strong><br />
object to dataRef.<br />
Sets the data reference type of a QTData<strong>Reference</strong><br />
object to type.<br />
Creates a QTMedia object with data from the <strong>QuickTime</strong><br />
media media.<br />
Returns the current value of the media attribute attributeKey.<br />
Returns YES if a QTMedia object has the specified<br />
characteristic.<br />
Initializes a newly created QTMedia object with data from the<br />
<strong>QuickTime</strong> media media.<br />
Returns a dictionary containing the current values of all<br />
defined media attributes.<br />
Returns the <strong>QuickTime</strong> media associated with a QTMedia<br />
object.
10.3 Symbol Changes<br />
setAttribute:forKey:<br />
setMediaAttributes:<br />
track<br />
QTMovie (New)<br />
Set the media attribute attributeKey to the value specified by<br />
the value parameter.<br />
Set the media attributes using the key-value pairs specified<br />
in the dictionary attributes.<br />
Returns the QTTrack that contains a QTMedia object.<br />
Complete reference information is available in the QTMovie reference.<br />
Class Methods<br />
canInitWithData<strong>Reference</strong>:<br />
canInitWithFile:<br />
canInitWithPasteboard:<br />
canInitWithURL:<br />
movie<br />
movieFileTypes:<br />
movieNamed:error:<br />
movieUnfilteredFileTypes<br />
movieUnfilteredPasteboardTypes<br />
movieWithAttributes:error:<br />
Returns YES if the specified data<br />
reference can be used to initialize a<br />
QTMovie object.<br />
Returns YES if the contents of the<br />
specified file can be used to initialize a<br />
QTMovie object.<br />
Returns YES if the contents of the<br />
specified pasteboard can be used to<br />
initialize a QTMovie object.<br />
Returns YES if the contents of the<br />
specified URL can be used to initialize a<br />
QTMovie object.<br />
Creates an empty QTMovie object.<br />
Returns an array of file types that can be<br />
opened as <strong>QuickTime</strong> movies.<br />
Creates a QTMovie object initialized with<br />
the data from the <strong>QuickTime</strong> movie of<br />
the specified name in the application’s<br />
bundle.<br />
Returns an array of file types that can be<br />
used to initialize a QTMovie object.<br />
Returns an array of pasteboard types that<br />
can be used to initialize a QTMovie<br />
object.<br />
Creates a QTMovie object initialized with<br />
the attributes specified in attributes.<br />
Classes 37<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
movieWithData:error:<br />
movieWithData<strong>Reference</strong>:error:<br />
movieWithFile:error:<br />
movieWithPasteboard:error:<br />
movieWith<strong>QuickTime</strong>Movie:disposeWhenDone:error:<br />
movieWithURL:error:<br />
Instance Methods<br />
addImage:forDuration:withAttributes:<br />
appendSelectionFromMovie:<br />
attributeForKey:<br />
can<strong>Update</strong>MovieFile<br />
currentFrameImage<br />
currentTime<br />
delegate<br />
deleteSegment:<br />
duration<br />
38 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Creates a QTMovie object initialized with<br />
the data specified by data.<br />
Creates a QTMovie object intitalized<br />
with the data specified by the data<br />
reference data<strong>Reference</strong>.<br />
Creates a QTMovie object initialized with<br />
the data in the file specified by the name<br />
fileName.<br />
Creates a QTMovie object initialized with<br />
the contents of the pasteboard specified<br />
by pasteboard.<br />
Creates a QTMovie object initialized with<br />
the data from an existing <strong>QuickTime</strong><br />
movie movie.<br />
Creates a QTMovie object initialized with<br />
the data in the URL specified by url.<br />
Adds an image for the specified duration<br />
to the receiver, using attributes specified<br />
in the attributes dictionary.<br />
Appends to a QTMovie the current<br />
selection in movie.<br />
Returns the current value of the movie<br />
attribute attributeKey.<br />
Indicates whether a movie file can be<br />
updated with changes made to the movie<br />
object.<br />
Returns an NSImage for the frame at the<br />
current time in a QTMovie.<br />
Returns the current time of a QTMovie<br />
object as a structure of type QTTime.<br />
Returns the delegate of a QTMovie object.<br />
Deletes from a QTMovie the segment<br />
delimited by segment.<br />
Returns the duration of a QTMovie object<br />
as a structure of type QTTime.
10.3 Symbol Changes<br />
frameImageAtTime:<br />
gotoBeginning<br />
gotoEnd<br />
gotoNextSelectionPoint<br />
gotoPosterTime<br />
gotoPreviousSelectionPoint<br />
initWithAttributes:error:<br />
initWithData:error:<br />
initWithData<strong>Reference</strong>:error:<br />
initWithFile:error:<br />
initWithMovie:timeRange:error:<br />
initWithPasteboard:error:<br />
initWith<strong>QuickTime</strong>Movie:disposeWhenDone:error:<br />
initWithURL:error:<br />
insertEmptySegmentAt:<br />
insertSegmentOfMovie:fromRange:scaledToRange:<br />
insertSegmentOfMovie:timeRange:atTime:<br />
Returns an NSImage for the frame at the<br />
time time in a QTMovie.<br />
Repositions the play position to the<br />
beginning of the movie.<br />
Repositions the play position to the end<br />
of the movie.<br />
Repositions the movie to the next selection<br />
point.<br />
Repositions the play position to the<br />
movie’s poster time.<br />
Repositions the movie to the previous<br />
selection point.<br />
Initializes a QTMovie object with the<br />
attributes specified in attributes.<br />
Initializes a QTMovie object with the data<br />
specified by data.<br />
Initializes a QTMovie object with the data<br />
reference setting specified by<br />
data<strong>Reference</strong>.<br />
Initializes a QTMovie object with the data<br />
in the file specified by the name fileName.<br />
Initializes a QTMovie object with some or<br />
all of the data from an existing QTMovie<br />
object movie.<br />
Initializes a QTMovie object with the<br />
contents of the pasteboard specified by<br />
pasteboard.<br />
Initializes a QTMovie object with the data<br />
from an existing <strong>QuickTime</strong> movie movie.<br />
Initializes a QTMovie object with the data<br />
in the URL specified by url.<br />
inserts into a QTMovie an empty segment<br />
delimited by the range range.<br />
Inserts the specified segment from the<br />
movie into the receiver, scaled to the range<br />
dstRange.<br />
Inserts into a QTMovie at time time the<br />
selection in movie delimited by the time<br />
range range.<br />
Classes 39<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
movieAttributes<br />
movieFormatRepresentation<br />
movieWithTimeRange:error:<br />
muted<br />
play<br />
posterImage<br />
quickTimeMovie<br />
quickTimeMovieController<br />
rate<br />
replaceSelectionWithSelectionFromMovie:<br />
scaleSegment:newDuration:<br />
selectionDuration<br />
selectionEnd<br />
selectionStart<br />
setAttribute:forKey:<br />
setCurrentTime:<br />
setDelegate:<br />
setMovieAttributes:<br />
40 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Returns a dictionary containing the<br />
current values of all defined movie<br />
attributes.<br />
Returns the movie’s data in an NSData<br />
object.<br />
Returns a QTMovie object whose data is<br />
the data in the specified time range.<br />
Returns the movie’s mute setting.<br />
Plays the movie.<br />
Returns an NSImage for the poster frame<br />
of a QTMovie.<br />
Returns the <strong>QuickTime</strong> movie associated<br />
with a QTMovie object.<br />
Returns the <strong>QuickTime</strong> movie controller<br />
associated with a QTMovie object.<br />
Returns the current rate of a QTMovie<br />
object.<br />
Replaces the current selection in a<br />
QTMovie with the current selection in<br />
movie.<br />
Scales the QTMovie segment delimited<br />
by the segment segment so that it will<br />
have the new duration newDuration.<br />
Returns the duration of the movie’s<br />
current selection as a QTTime structure.<br />
Returns the end point of the movie’s<br />
current selection as a QTTime structure.<br />
Returns the start time of the movie’s<br />
current selection as a QTTime structure.<br />
Set the movie attribute attributeKey to the<br />
value specified by the value parameter.<br />
Sets the movie’s current time setting to<br />
time.<br />
Sets the movie’s delegate to delegate.<br />
Set the movie attributes using the<br />
key-value pairs specified in the dictionary<br />
attributes.
10.3 Symbol Changes<br />
setMuted:<br />
setRate:<br />
setSelection:<br />
setVolume:<br />
stepBackward<br />
stepForward<br />
stop<br />
tracks<br />
tracksOfMediaType:<br />
updateMovieFile<br />
volume<br />
writeToFile:withAttributes:<br />
Delegate Methods<br />
externalMovie:<br />
movie:linkToURL:<br />
movie:shouldContinueOperation:withPhase:<br />
atPercent:withAttributes:<br />
movieShouldLoadData:<br />
movieShouldTask:<br />
Sets the movie’s mute setting to mute.<br />
Sets the movie’s rate to rate.<br />
Sets the movie’s selection to selection.<br />
Sets the movie’s volume to volume.<br />
Sets the movie backward a single frame.<br />
Sets the movie forward a single frame.<br />
Stops the movie playing.<br />
Returns an array of QTTrack objects<br />
associated with the receiver.<br />
Returns an array of tracks with the<br />
specified media type.<br />
<strong>Update</strong>s the movie file of a QTMovie.<br />
Returns the movie’s volume as a scalar<br />
value of type float.<br />
Returns YES if the movie file was<br />
successfully created and NO otherwise.<br />
This method is called, if implemented by a<br />
QTMovie delegate object, when an external<br />
movie needs to be found (usually for a wired<br />
action targeted at an external movie).<br />
Called to handle the mcAction<br />
mcActionLinkToURL.<br />
If implemented, this method is called<br />
periodically during lengthy operations (such as<br />
exporting a movie).<br />
If a QTMovie object has a delegate and that<br />
delegate implements this method, that method<br />
will be called before QT<strong>Kit</strong> performs the<br />
standard idle processing on a movie.<br />
Classes 41<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
QTMovieView (New)<br />
Complete reference information is available in the QTMovieView reference.<br />
Instance Methods<br />
add:<br />
addScaled:<br />
controllerBarHeight<br />
copy:<br />
cut:<br />
delete:<br />
fillColor<br />
gotoBeginning:<br />
gotoEnd:<br />
gotoNextSelectionPoint:<br />
gotoPosterFrame:<br />
gotoPreviousSelectionPoint:<br />
initWithFrame:<br />
isControllerVisible<br />
isEditable<br />
movie<br />
movieBounds<br />
42 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
This action method adds the contents of the clipboard to the<br />
movie at the current movie time.<br />
This action method adds the contents of the clipboard to the<br />
movie, scaled to fit into the current movie selection.<br />
Returns the height of the controller bar.<br />
This action method copies the current movie selection onto the<br />
clipboard.<br />
This action method deletes the current movie selection from the<br />
movie, placing it on the clipboard.<br />
This action method deletes the current movie selection from the<br />
movie, placing it on the clipboard.<br />
Returns the fill color of the QTMovieView.<br />
This action method sets the current movie time to the beginning<br />
of the movie.<br />
This action method sets the current movie time to the end of the<br />
movie.<br />
This action method sets the current movie time to the next<br />
selection point.<br />
This action method sets the current movie time to the movie<br />
poster frame.<br />
This action method sets the current movie time to the previous<br />
selection point.<br />
Initializes a newly allocated QTMovieView with frame as its<br />
frame rectangle.<br />
Returns YES if the movie controller bar of the QTMovieView<br />
object is visible.<br />
Returns YES if the QTMovieView object is editable.<br />
Returns the QTMovie object associated with the QTMovieView.<br />
Returns the rectangle currently occupied by the movie in a<br />
QTMovieView.
10.3 Symbol Changes<br />
movieControllerBounds<br />
paste:<br />
pause:<br />
play:<br />
preservesAspectRatio<br />
replace:<br />
selectAll:<br />
selectNone:<br />
setControllerVisible:<br />
setEditable:<br />
setFillColor:<br />
setMovie:<br />
setPreservesAspectRatio:<br />
setShowsResizeIndicator:<br />
stepBackward:<br />
stepForward:<br />
trim:<br />
QTTrack (New)<br />
Returns the rectangle currently occupied by the movie controller<br />
bar (if it’s visible) in a QTMovieView.<br />
This action method inserts the contents of the clipboard (if it<br />
contains a movie clip) into the movie at the current play position.<br />
This action method pauses the movie playback.<br />
This action method starts the movie playing at its current<br />
location.<br />
Returns YES if the QTMovieView object maintains the aspect<br />
ratio of the movie when drawing it in the view.<br />
This action method replaces the current movie selection with<br />
the contents of the clipboard.<br />
This action method selects the entire movie.<br />
This action method selects nothing.<br />
Sets the visibility state of the movie controller bar in a<br />
QTMovieView to controllerVisible.<br />
Sets the edit state of a QTMovieView to editable.<br />
Sets the fill color of a QTMovieView to fillColor.<br />
Sets the QTMovie object in a QTMovieView to movie.<br />
Sets the aspect ratio state of a QTMovieView to<br />
preservesAspectRatio.<br />
Shows or hides the movie controller grow box.<br />
This action method steps the movie backward one frame.<br />
This action method steps the movie forward one frame.<br />
This action method trims the movie to the current movie<br />
selection.<br />
Complete reference information is available in the QTTrack reference.<br />
Class Methods<br />
trackWith<strong>QuickTime</strong>Track:error:<br />
Creates a QTTrack object with data from the <strong>QuickTime</strong><br />
track track.<br />
Classes 43<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
Instance Methods<br />
addImage:forDuration:withAttributes:<br />
attributeForKey:<br />
deleteSegment:<br />
initWith<strong>QuickTime</strong>Track:error:<br />
insertEmptySegmentAt:<br />
insertSegmentOfTrack:fromRange:scaledToRange:<br />
insertSegmentOfTrack:timeRange:atTime:<br />
isEnabled<br />
media<br />
movie<br />
quickTimeTrack<br />
scaleSegment:newDuration:<br />
setAttribute:forKey:<br />
setEnabled:<br />
setTrackAttributes:<br />
setVolume:<br />
44 Classes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
Adds an image for the specified duration<br />
to the receiver, using attributes specified<br />
in the attributes dictionary.<br />
Returns the current value of the track<br />
attribute attributeKey.<br />
Deletes from a QTTrack the segment<br />
delimited by segment.<br />
If a QTTrack object cannot be created, an<br />
NSError object is returned in the location<br />
pointed to by errorPtr.<br />
Inserts into a QTTrack an empty segment<br />
delimited by the range range.<br />
Inserts the specified segment from the<br />
track into the receiver, scaled to the range<br />
dstRange.<br />
Inserts into a QTTrack at time time the<br />
selection in movie delimited by the time<br />
range range.<br />
Returns YES if the QTTrack object is<br />
currently enabled, NO otherwise.<br />
Returns the media associated with a<br />
QTTrack object.<br />
Returns the movie that contains a<br />
QTTrack object.<br />
Returns the <strong>QuickTime</strong> track associated<br />
with a QTTrack object.<br />
Scales the QTTrack segment delimited by<br />
the segment segment so that it will have<br />
the new duration newDuration.<br />
Set the track attribute attributeKey to the<br />
value specified by the value parameter.<br />
Sets the enabled state of a QTTrack to<br />
enabled.<br />
Set the track attributes using the key-value<br />
pairs specified in the dictionary attributes.<br />
Sets the volume of a QTTrack to volume.
trackAttributes<br />
volume<br />
C Symbols<br />
10.3 Symbol Changes<br />
Returns a dictionary containing the<br />
current values of all defined track<br />
attributes.<br />
Returns the volume of a QTTrack object.<br />
All of the header files with new symbols are listed alphabetically, with their new symbols described.<br />
QTData<strong>Reference</strong>.h<br />
Data Types & Constants<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTData<strong>Reference</strong>TypeFile<br />
QTData<strong>Reference</strong>TypeHandle<br />
QTData<strong>Reference</strong>TypePointer<br />
QTData<strong>Reference</strong>TypeResource<br />
QTData<strong>Reference</strong>TypeURL<br />
QTMedia.h<br />
Data Types & Constants<br />
The file type for a QTData<strong>Reference</strong> object.<br />
The handle type for a QTData<strong>Reference</strong> object.<br />
The pointer type for a QTData<strong>Reference</strong> object.<br />
The resource type for a QTData<strong>Reference</strong> object.<br />
The URL type for a QTData<strong>Reference</strong> object.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTMediaCharacteristicAudio<br />
QTMediaCharacteristicCanSendVideo<br />
QTMediaCharacteristicCanStep<br />
QTMediaCharacteristicHasNoDuration<br />
QTMediaCharacteristicHasSkinData<br />
The media has audio data. This is a BOOL.<br />
The media can send visual data to another track.<br />
This is a BOOL.<br />
The media can step. This is a BOOL.<br />
The media has no duration. This is a BOOL.<br />
The media has skin data. This is a BOOL.<br />
C Symbols 45<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.
10.3 Symbol Changes<br />
QTMediaCharacteristicHasVideoFrameRate<br />
QTMediaCharacteristicNonLinear<br />
QTMediaCharacteristicProvidesActions<br />
QTMediaCharacteristicProvidesKeyFocus<br />
QTMediaCharacteristicVisual<br />
QTMediaCreationTimeAttribute<br />
QTMediaDurationAttribute<br />
QTMediaModificationTimeAttribute<br />
QTMediaQualityAttribute<br />
QTMediaSampleCountAttribute<br />
QTMediaTimeScaleAttribute<br />
QTMediaType3D<br />
QTMediaTypeAttribute<br />
QTMediaTypeBase<br />
QTMediaTypeFlash<br />
QTMediaTypeHint<br />
QTMediaTypeMovie<br />
QTMediaTypeMPEG<br />
QTMediaTypeMusic<br />
QTMediaTypeQTVR<br />
QTMediaTypeSkin<br />
QTMediaTypeSound<br />
QTMediaTypeSprite<br />
46 C Symbols<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
The media has a video frame rate. This is a BOOL.<br />
The media is non-linear. This is a BOOL.<br />
The media has actions. This is a BOOL.<br />
Key events can be focused at the media. This is a<br />
BOOL.<br />
The media has video data. This is a BOOL.<br />
The creation time of a QTMedia object; the value<br />
for this key is of type NSDate.<br />
The duration of a QTMedia object; the value for<br />
this key is of type NSValue, interpreted as a<br />
QTTime.<br />
The modification time of a QTMedia object; the<br />
value for this key is of type NSDate.<br />
The media quality; the value for this key is of type<br />
NSNumber, interpreted as a short.<br />
The media sample count; the value for this key is<br />
of type NSNumber, interpreted as a long.<br />
The media time scale; the value for this key is of<br />
type NSNumber, interpreted as a long.<br />
3D media.<br />
The media type; the value for this key is of type<br />
NSString; see below for the values this attribute<br />
can return.<br />
Base media.<br />
Flash media.<br />
Hint media.<br />
Movie media.<br />
MPEG media<br />
Music media<br />
<strong>QuickTime</strong> VR media.<br />
Skin media<br />
Sound media.<br />
Sprite media.
10.3 Symbol Changes<br />
QTMediaTypeStream<br />
QTMediaTypeText<br />
QTMediaTypeTimeCode<br />
QTMediaTypeTween<br />
QTMediaTypeVideo<br />
QTMovie.h<br />
Data Types & Constants<br />
Stream media.<br />
Text media.<br />
Timecode media.<br />
Tween media.<br />
Video media.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTAddImageCodecQuality<br />
QTAddImageCodecType<br />
QTIncludeAggressiveTypes<br />
QTIncludeAllTypes<br />
QTIncludeCommonTypes<br />
QTIncludeStillImageTypes<br />
QTIncludeTranslatableTypes<br />
QTMovieActiveSegmentAttribute<br />
QTMovieAskUnresolvedDataRefsAttribute<br />
The image codec value; the value for this key<br />
is of type NSNumber.<br />
The image codec string; the value for this key<br />
is of type NSString.<br />
This value adds to the array all file types for<br />
files that can be opened using a movie importer<br />
but that are not commonly used in connection<br />
with movies (for instance, text or HTML files).<br />
This value adds to the array all file types that<br />
<strong>QuickTime</strong> can open on the current system,<br />
using any available movie or graphics<br />
importer.<br />
This value adds to the array all common file<br />
types that <strong>QuickTime</strong> can open in place on the<br />
current system.<br />
This value adds to the array all file types for<br />
still images that can be opened using a graphics<br />
importer.<br />
This value adds to the array all file types for<br />
files that can be opened using a movie importer<br />
but for which a new file must be created.<br />
The active segment of a QTMovie object; the<br />
value for this key is of type NSValue,<br />
interpreted as a QTTimeRange structure.<br />
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10.3 Symbol Changes<br />
QTMovieAutoAlternatesAttribute<br />
QTMovieChapterDidChangeNotification<br />
QTMovieChapterListDidChangeNotification<br />
QTMovieCloseWindowRequestNotification<br />
QTMovieCopyrightAttribute<br />
QTMovieCreationTimeAttribute<br />
QTMovieCurrentSizeAttribute<br />
QTMovieCurrentTimeAttribute<br />
QTMovieDataAttribute<br />
QTMovieData<strong>Reference</strong>Attribute<br />
QTMovieDataSizeAttribute<br />
QTMovieDelegateAttribute<br />
QTMovieDidEndNotification<br />
QTMovieDisplayNameAttribute<br />
QTMovieDontInteractWithUserAttribute<br />
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The auto-alternate state of a QTMovie object.<br />
The value for this key is of type NSNumber,<br />
interpreted as a BOOL.<br />
Issued when the chapter associated with<br />
QTMovie changes.<br />
Issued when the chapter list associated with<br />
QTMovie changes.<br />
Sent when a request is made to close the<br />
movie’s window.<br />
The copyright string of a QTMovie object; the<br />
value for this key is of type NSString.<br />
The creation time of a QTMovie object; the<br />
value for this key is of type NSDate.<br />
The current size of a QTMovie object; the value<br />
for this key is of type NSValue, interpreted as<br />
an NSSize structure.<br />
The current time of a QTMovie object; the value<br />
for this key is of type NSValue, interpreted as<br />
a QTTime structure.<br />
The data of a QTMovie object.<br />
The data reference of a QTMovie object.<br />
The data size of a QTMovie. The value for this<br />
key is of type NSNumber, which is interpreted<br />
as a long long.<br />
The delegate for a QTMovie object. The value<br />
for this key is of type NSObject.<br />
Sent when the movie is “done” or at its end.<br />
The display name of a QTMovie object. A<br />
display name is stored as user data in a movie<br />
file and hence may differ from the base name<br />
of the movie’s filename or URL. The value for<br />
this key is of type NSString.<br />
When set in a dictionary passed to<br />
movieWithAttributes or initWithAttributes,<br />
this prevents <strong>QuickTime</strong> from interacting with<br />
the user during movie initialization. The value<br />
for this key is of type NSNumber, interpreted<br />
as a BOOL.
10.3 Symbol Changes<br />
QTMovieDurationAttribute<br />
QTMovieEditabilityDidChangeNotification<br />
QTMovieEditableAttribute<br />
QTMovieEditedNotification<br />
QTMovieEnterFullScreenRequestNotification<br />
QTMovieExitFullScreenRequestNotification<br />
QTMovieExport<br />
QTMovieExportManufacturer<br />
QTMovieExportSettings<br />
QTMovieExportType<br />
QTMovieFileNameAttribute<br />
QTMovieFileOffsetAttribute<br />
QTMovieFileTypeOptions<br />
QTMovieFlatten<br />
QTMovieHasAudioAttribute<br />
QTMovieHasDurationAttribute<br />
QTMovieHasVideoAttribute<br />
The duration of a QTMovie object; the value<br />
for this key is of type NSValue, interpreted as<br />
a QTTime structure.<br />
Sent when the editable state of a movie has<br />
changed.<br />
The editable setting; the value for this key is of<br />
type NSNumber, interpreted as a BOOL. This<br />
value is YES if the movie can be edited.<br />
Sent when a movie has been edited.<br />
Sent when a request is made to play back a<br />
movie in full screen mode.<br />
Sent when a request is made to play back a<br />
movie in normal windowed mode.<br />
The movie export setting; the value for this key<br />
is of type NSNumber, interpreted as a BOOL.<br />
The export manufacturer value; the value for<br />
this key is of type NSNumber, interpreted as<br />
a long.<br />
Information to come.<br />
The movie export type; the value for this key<br />
is of type NSNumber, interpreted as a long.<br />
The file name string of a QTMovie object; the<br />
value for this key is of type NSString.<br />
The file offset value; the value for this key is of<br />
type NSNumber, interpreted as a long long.<br />
The movie flatten setting; the value for this key<br />
is of type NSNumber, interpreted as a BOOL.<br />
The audio data setting; the value for this key<br />
is of type NSNumber, interpreted as a BOOL.<br />
This value is YES if the movie contains audio<br />
data.<br />
The duration setting; the value for this key is<br />
of type NSNumber, interpreted as a BOOL.<br />
This value is YES if the movie has a duration.<br />
The video data setting; the value for this key<br />
is of type NSNumber, interpreted as a BOOL.<br />
This value is YES if the movie contains video<br />
data.<br />
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10.3 Symbol Changes<br />
QTMovieIsActiveAttribute<br />
QTMovieIsInteractiveAttribute<br />
QTMovieIsLinearAttribute<br />
QTMovieIsSteppableAttribute<br />
QTMovieLoadStateAttribute<br />
QTMovieLoadStateDidChangeNotification<br />
QTMovieLoopModeDidChangeNotification<br />
QTMovieLoopsAttribute<br />
QTMovieLoopsBackAndForthAttribute<br />
QTMovieMessageNotificationParameter<br />
QTMovieMessageStringPostedNotification<br />
QTMovieModificationTimeAttribute<br />
QTMovieMutedAttribute<br />
QTMovieNaturalSizeAttribute<br />
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The active setting; the value for this key is of<br />
type NSNumber, interpreted as a BOOL.<br />
The interactive setting; the value for this key<br />
is of type NSNumber, interpreted as a BOOL.<br />
This value is YES if the movie is interactive.<br />
The linear setting; the value for this key is of<br />
type NSNumber, interpreted as a BOOL. This<br />
value is YES if the movie is linear, as opposed<br />
to a non-linear <strong>QuickTime</strong> VR movie.<br />
The steppable setting; the value for this key is<br />
of type NSNumber, interpreted as a BOOL.<br />
This value is YES if the movie can step from<br />
frame to frame.<br />
The load state value; the value for this key is<br />
of type NSNumber, interpreted as a long.<br />
Sent when the load state of a movie has<br />
changed.<br />
Sent when a change is made in a movie’s<br />
looping mode.<br />
The looping setting; the value for this key is of<br />
type NSNumber, interpreted as a BOOL. This<br />
value is YES if the movie is set to loop.<br />
The palindrome looping setting; the value for<br />
this key is of type NSNumber, interpreted as<br />
a BOOL.<br />
Used as a key in the userInfo dictionary passed<br />
to the QTMovieMessageNotification<br />
notification to indicate the message. The<br />
associated value is an NSString.<br />
Sent when a movie message has been received<br />
by the movie controller.<br />
The modification time of a QTMovie object; the<br />
value for this key is of type NSDate.<br />
The mute setting; the value for this key is of<br />
type NSNumber, interpreted as a BOOL. This<br />
value is YES if the movie volume is muted.<br />
The natural size of a QTMovie object; the value<br />
for this key is of type NSValue, interpreted as<br />
an NSSize structure.
10.3 Symbol Changes<br />
QTMovieOpenAsyncOKAttribute<br />
QTMovieOperationBeginPhase<br />
QTMovieOperationEndPhase<br />
QTMovieOperationPhase<br />
QTMovieOperation<strong>Update</strong>PercentPhase<br />
QTMoviePasteboardAttribute<br />
QTMoviePasteboardType<br />
QTMoviePlaysAllFramesAttribute<br />
QTMoviePlaysSelectionOnlyAttribute<br />
QTMoviePosterTimeAttribute<br />
QTMoviePreferredMutedAttribute<br />
QTMoviePreferredRateAttribute<br />
QTMoviePreferredVolumeAttribute<br />
QTMoviePreviewModeAttribute<br />
QTMoviePreviewRangeAttribute<br />
QTMovieRateAttribute<br />
QTMovieRateChangesPreservePitchAttribute<br />
The open async setting; the value for this key<br />
is of type NSNumber, interpreted as a BOOL.<br />
The pasteboard setting of a QTMovie object.<br />
The play-all-frames setting; the value for this<br />
key is of type NSNumber, interpreted as a<br />
BOOL. This value is YES if the movie will play<br />
all frames.<br />
The play-selection setting; the value for this<br />
key is of type NSNumber, interpreted as a<br />
BOOL. This value is YES if the movie will play<br />
only the current selection.<br />
The movie poster time of a QTMovie object;<br />
the value for this key is of type NSValue,<br />
interpreted as a QTTime structure.<br />
The preferred mute setting; the value for this<br />
key is of type NSNumber, interpreted as a<br />
BOOL. This value is YES if the movie preferred<br />
mute setting is muted.<br />
The preferred rate; the value for this key is of<br />
type NSNumber, interpreted as a float.<br />
The preferred volume; the value for this key is<br />
of type NSNumber, interpreted as a float.<br />
The preview mode setting; the value for this<br />
key is of type NSNumber, interpreted as a<br />
BOOL. This value is YES if the movie is in<br />
preview mode.<br />
The preview range of a QTMovie object; the<br />
value for this key is of type NSValue,<br />
interpreted as a QTTimeRange structure.<br />
The movie rate; the value for this key is of type<br />
NSNumber, interpreted as a float.<br />
When the playback rate is not unity, audio<br />
must be resampled in order to play at the new<br />
rate.<br />
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10.3 Symbol Changes<br />
QTMovieRateDidChangeNotification<br />
QTMovieRateDidChangeNotificationParameter<br />
QTMovieResolveDataRefsAttribute<br />
QTMovieSelectionAttribute<br />
QTMovieSelectionDidChangeNotification<br />
QTMovieSizeDidChangeNotification<br />
QTMovieStatusCodeNotificationParameter<br />
QTMovieStatusFlagsNotificationParameter<br />
QTMovieStatusStringNotificationParameter<br />
QTMovieStatusStringPostedNotification<br />
QTMovieTargetIDNotificationParameter<br />
QTMovieTargetNameNotificationParameter<br />
QTMovieTimeDidChangeNotification<br />
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Sent when the rate of a movie has changed.<br />
Used as a key in the userInfo dictionary passed<br />
to the QTMovieRateDidChangeNotification<br />
notification to indicate the new playback rate.<br />
The associated value is an NSNumber that<br />
holds a float.<br />
The selection range of a QTMovie object; the<br />
value for this key is of type NSValue,<br />
interpreted as a QTTimeRange structure.<br />
Sent when the selection of a movie has<br />
changed.<br />
Sent when the size of a movie has changed.<br />
Used as a key in the userInfo dictionary passed<br />
to the QTMovieStatusStringPostedNotification<br />
notification to indicate a status code (or error<br />
code). The associated value is an NSNumber<br />
that holds an int.<br />
Used as a key in the userInfo dictionary passed<br />
to the QTMovieStatusStringPostedNotification<br />
notification to indicate status flags. The<br />
associated value is an NSNumber that holds a<br />
long.<br />
Used as a key in the userInfo dictionary passed<br />
to the QTMovieStatusStringPostedNotification<br />
notification to indicate a status string.<br />
Status messages can be sent by <strong>QuickTime</strong>’s<br />
streaming components or by any code that<br />
wants to display a message in the movie<br />
controller bar status area.<br />
Used as a key in the dictionary passed to the<br />
externalMovie: delegate method to indicate<br />
that the delegate should return a QTMovie<br />
object that has the movie ID specified by the<br />
key’s value.<br />
Used as a key in the dictionary passed to the<br />
externalMovie: delegate method to indicate<br />
that the delegate should return a QTMovie<br />
object that has the movie name specified by the<br />
key’s value.<br />
Sent when the time in a movie has changed.
10.3 Symbol Changes<br />
QTMovieTimeScaleAttribute<br />
QTMovieUneditableException<br />
QTMovieURLAttribute<br />
QTMovieVolumeAttribute<br />
QTMovieVolumeDidChangeNotification<br />
QTMovieView.h<br />
Data Types & Constants<br />
The movie time scale; the value for this key is<br />
of type NSNumber, interpreted as a long. In<br />
Mac OS X 10.5 and later, this attribute is<br />
gettable and settable. In general, you should<br />
set this attribute only on newly-created movies<br />
or on movies that have not been edited. Also,<br />
you should only increase the time scale value,<br />
and you should try to use integer multiples of<br />
the existing time scale. In earlier versions of<br />
Mac OS X, this attribute is gettable only.<br />
The URL of a QTMovie object; the value for<br />
this key is of type NSURL.<br />
The movie volume; the value for this key is of<br />
type NSNumber, interpreted as a float.<br />
Sent when the volume of a movie has changed.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTMovieViewControllerVisibleBinding<br />
QTMovieViewFillColorBinding<br />
QTMovieViewMovieBinding<br />
QTMovieViewPreservesAspectRatioBinding<br />
QTTime.h<br />
Functions<br />
All of the new functions in this header file are listed alphabetically, with links to documentation and<br />
abstracts, if available.<br />
QTGetTimeInterval<br />
Returns the value of a QTTime structure expressed as an<br />
NSTimeInterval.<br />
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10.3 Symbol Changes<br />
QTGetTimeRecord<br />
QTMakeTime<br />
QTMakeTimeScaled<br />
QTMakeTimeWithTimeInterval<br />
QTMakeTimeWithTimeRecord<br />
QTStringFromTime<br />
QTTimeCompare<br />
QTTimeDecrement<br />
QTTimeFromString<br />
QTTimeIncrement<br />
QTTimeIsIndefinite<br />
Data Types & Constants<br />
Returns the value of a QTTime structure expressed as a<br />
TimeRecord.<br />
Creates a QTTime structure.<br />
Returns a QTTime structure.<br />
Creates a QTTime structure.<br />
Creates a QTTime structure.<br />
Returns a description of a QTTime structure.<br />
Returns a value of type NSComparisonResult.<br />
Subtracks one QTTime from another.<br />
Returns a QTTime structure.<br />
Adds two QTTime structures.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
kQTTimeIsIndefinite<br />
QTIndefiniteTime<br />
QTZeroTime<br />
timeValue<br />
QTTimeRange.h<br />
Functions<br />
All of the new functions in this header file are listed alphabetically, with links to documentation and<br />
abstracts, if available.<br />
QTEqualTimeRanges<br />
QTIntersectionTimeRange<br />
QTMakeTimeRange<br />
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Returns YES if the specified time ranges are identical.<br />
Returns a QTTimeRange structure that represents the<br />
intersection of the two ranges.<br />
Returns a QTTimeRange structure initialized using the QTTime<br />
structures time and duration.
10.3 Symbol Changes<br />
QTStringFromTimeRange<br />
QTTimeInTimeRange<br />
QTTimeRangeEnd<br />
QTTimeRangeFromString<br />
QTUnionTimeRange<br />
QTTrack.h<br />
Data Types & Constants<br />
Returns a description of a QTTimeRange structure.<br />
Returns YES if the specified time time lies in the time range<br />
range.<br />
Returns a QTTime structure representing the end of the specified<br />
time range.<br />
Returns a QTTimeRange structure<br />
Returns a QTTimeRange structure.<br />
All of the new data types and constants in this header file are listed alphabetically, with links to<br />
documentation and abstracts, if available.<br />
QTTrackBoundsAttribute<br />
QTTrackCreationTimeAttribute<br />
QTTrackDimensionsAttribute<br />
QTTrackDisplayNameAttribute<br />
QTTrackEnabledAttribute<br />
QTTrackIDAttribute<br />
QTTrackLayerAttribute<br />
QTTrackMediaTypeAttribute<br />
QTTrackModificationTimeAttribute<br />
QTTrackRangeAttribute<br />
QTTrackTimeScaleAttribute<br />
The bounding rectangle of a QTTrack object; the value for<br />
this key is of type NSValue, interpreted as an NSRect.<br />
The creation time of a QTTrack object; the value for this<br />
key is of type NSDate.<br />
The dimensions of a QTTrack object; the value for this key<br />
is of type NSValue, interpreted as an NSSize.<br />
The display name of a QTTrack object; the value for this<br />
key is of type NSString.<br />
The track enabled state of a QTTrack object; the value for<br />
this key is of type NSNumber, interpreted as a BOOL.<br />
The track ID of a QTTrack object; the value for this key is<br />
of type NSNumber, interpreted as a long.<br />
The track layer of a QTTrack object; the value for this key<br />
is of type NSNumber, interpreted as a short.<br />
The media type of a QTTrack object; the value for this key<br />
is of type NSString.<br />
The modification time of a QTTrack object; the value for<br />
this key is of type NSDate.<br />
The range of time this track occupies; the value for this<br />
key is of type NSValue, interpreted as a QTTimeRange.<br />
The track time scale; the value for this key is of type<br />
NSNumber, interpreted as a long.<br />
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10.3 Symbol Changes<br />
QTTrackUsageInMovieAttribute<br />
QTTrackUsageInPosterAttribute<br />
QTTrackUsageInPreviewAttribute<br />
QTTrackVolumeAttribute<br />
QTUtilities.h<br />
Functions<br />
The movie usage setting; the value for this key is of type<br />
NSNumber, interpreted as a BOOL.<br />
The poster usage setting; the value for this key is of type<br />
NSNumber, interpreted as a BOOL.<br />
The preview usage setting; the value for this key is of type<br />
NSNumber, interpreted as a BOOL.<br />
The volume of a QTTrack object; the value for this key is<br />
of type NSNumber, interpreted as a float.<br />
All of the new functions in this header file are listed alphabetically, with links to documentation and<br />
abstracts, if available.<br />
QTOSTypeForString<br />
QTStringForOSType<br />
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Returns a four-character code representing the specified NSString.<br />
Returns an NSString representing the specified four-character<br />
code type.
Document Revision History<br />
This table describes the changes to <strong>QuickTime</strong> <strong>Kit</strong> <strong>Reference</strong> <strong>Update</strong>.<br />
Date<br />
2007-07-18<br />
2005-04-29<br />
Notes<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.<br />
<strong>Update</strong>d with the symbols added to the <strong>QuickTime</strong> <strong>Kit</strong> framework in Mac<br />
OS X v10.5.<br />
New document that summarizes the symbols added to the <strong>QuickTime</strong> <strong>Kit</strong><br />
framework in Mac OS X v10.4.<br />
57
58<br />
Document Revision History<br />
2007-07-18 | © 2007 Apple Inc. All Rights Reserved.