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MyQuickTimeApp.app/Contents/MacOS/MyQuickTimeApp (for architecture i386):Ġ0003025 (_TEXT,_text) non-external. (undefined ) external _QTNewDataReferenceFromFullPathCFString (from QuickTime) (undefined) external _QTMovieNaturalSizeAttribute (from QTKit) (undefined) external _QTMovieFlatten (from QTKit) (undefined) external _QTMovieEditableAttribute (from QTKit) (undefined ) external _QTMakeTime (from QTKit) (undefined) external _QTAddImageCodecType (from QTKit) (undefined) external _QTAddImageCodecQuality (from QTKit) (undefined ) external _GetMoviesError (from QuickTime)

(undefined ) external _CreateMovieStorage (from QuickTime) (undefined ) external _CloseMovieStorage (from QuickTime) MyQuickTimeApp.app/Contents/MacOS/MyQuickTimeApp (for architecture ppc):Ġ0002e2c (_TEXT,_text) non-external. $ nm -m 'MyQuickTimeApp.app/Contents/MacOS/MyQuickTimeApp' | egrep 'QuickTime|QTKit' You can determine which QuickTime APIs your application is using by running the nm command-line tool against your application binary.

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Otherwise, if you are already using the modern frameworks, you probably need only update those portions that are using the now deprecated QuickTime APIs. If your application is using older frameworks such as Carbon it may require significant changes to modernize it. By always using the latest tools, you can keep your application up to date with the current versions of all the frameworks.

As frameworks evolve through various releases, APIs are introduced or deprecated and behaviors of existing APIs may occasionally change.

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Make sure and always build your application using the latest version of Xcode and the Mac OS X SDK. Identifying Deprecated APIs with Xcodeīuild your application with Xcode to identify all the APIs that need updating. To get a quick look at your existing binary to see what QuickTime API's you are using, use the process described in Checking your existing binary with nm. To understand what is required to modernize your entire application, build your application with Xcode and the latest SDK as described in Identifying Deprecated APIs with Xcode. This document describes the mapping of the QTKit classes and methods to the newer AV Foundation classes to help you get started working with AV Foundation objects and their associated methods to accomplish a variety of tasks. Introduced in OS X 10.4, QTKit provides a set of Objective-C classes and methods designed to handle the basic tasks of playback, editing, export, audio/video capture and recording, in addition to a number of other multimedia capabilities. AV Foundation is also recommended for transitioning existing apps based on QTKit.

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Movie or audio playback, including precise synchronization and audio panningĪudio file inspection (for example, data format, sample rate, and number of channels)įor more information about the various classes of the AV Foundation framework, see the AV Foundation Programming Guide.ĪV Foundation is the recommended framework for all new development involving time-based audiovisual media on iOS and OS X. The services offered by this framework include the following: The framework includes many Objective-C classes, with the core class being AVAsset this class presents a uniform model and inspection interface for all forms and sources of audiovisual media. Introduced in OS X 10.7, AV Foundation is a framework that you can use to play and create time-based audiovisual media.

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