Lame Framework For Mac

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The OS X frameworks provide the interfaces you need to write software for Mac. Some of these frameworks contain simple sets of interfaces while others contain multiple subframeworks. Where applicable, the tables in this appendix list the key prefixes used by the classes, methods, functions, types, or constants of the framework. You should avoid using any of the specified prefixes in your own symbol names.

System Frameworks

Table A-1 describes the frameworks located in the /System/Library/Frameworks directory and lists the first version of OS X in which each became available.

**Table A-1** System frameworks
Name	First available	Prefixes	Description
`Accelerate.framework`	10.3	`cblas`, `vDSP`, `vv`	Umbrella framework for vector-optimized operations. See Accelerate Framework.
`Accounts.framework`	10.8	`AC`	Provides access to user accounts stored in the Accounts database. See Accounts Framework Reference.
`AddressBook.framework`	10.2	`AB`, `ABV`	Provides access to the Address Book, which is a centralized database of user contact information. Apps that target OS X v10.11 or greater should use `Contacts.framework`.
`AGL.framework`	10.0	`AGL`, `GL`, `glm`, `GLM`, `glu`, `GLU`	Contains Carbon interfaces for OpenGL. See AGL Reference.
`AppKit.framework`	10.0	`NS`	Contains classes and methods for the Cocoa user-interface layer. In general, link to `Cocoa.framework` instead of this framework. See AppKit Framework Reference.
`AppKitScripting.framework`	10.0	N/A	Deprecated. Use `AppKit.framework` instead.
`AppleScriptKit.framework`	10.0	`ASK`	Contains interfaces for creating AppleScript plug-ins.
`AppleScriptObjC.framework`	10.6	`NS`	Contains Objective-C extensions for creating AppleScript plug-ins.
`ApplicationServices.framework`	10.0	`AE`, `AX`, `ATSU`, `CG`, `CT`, `LS`, `PM`, `QD`, `UT`	Umbrella framework for several app-level services. See Application Services Framework.
`AudioToolbox.framework`	10.0	`AU`, `AUMIDI`	Contains interfaces for getting audio stream data, routing audio signals through audio units, converting between audio formats, and playing back music. See Audio Toolbox Framework Reference.
`AudioUnit.framework`	10.0	`AU`	Contains interfaces for defining Core Audio plug-ins. See Audio Unit Framework Reference.
`AudioVideoBridging.framework`	10.8	`AVB`	Supports Audio Video Bridging (AVB) and implements the IEEE P1722.1 draft standard.
`Automator.framework`	10.4	`AM`	Umbrella framework for creating Automator plug-ins. See Automator Framework.
`AVFoundation.framework`	10.7	`AV`	Provides interfaces for playing, recording, inspecting, and editing audiovisual media. See AVFoundation Audio Functions.
`AVKit.framework`	10.9	`AV`	Provides API for media playback including user controls, chapter navigation, subtitles, and closed captioning. See AV Kit Framework Reference
`CalendarStore.framework`	10.5	`Cal`	Deprecated. Use Event Kit instead. See Event Kit.
`Carbon.framework`	10.0	`HI`, `HR`, `ICA`, `ICD`, `Ink`, `Nav`, `OSA`, `PM`, `SFS`,`SR`	Umbrella framework for Carbon-level services. See Carbon Framework.
`CFNetwork.framework`	10.3	`CF`	Contains interfaces for network communication using HTTP, sockets, and Bonjour. See CFNetwork Framework Reference.
`CloudKit.framework`	10.10	`CK`	Provides a conduit for moving data between your app and iCloud that can be used for all types of data. It also gives you control of when transfers occur. See CloudKit Quick Start or CloudKit Framework Reference.
`Cocoa.framework`	10.0	`NS`	Wrapper for including the Cocoa frameworks `AppKit.framework`, `Foundation.framework`, and `CoreData.framework`.
`Collaboration.framework`	10.5	`CB`	Contains interfaces for managing identity information. See Collaboration Framework Reference.
`Contacts.framework`	10.11	`CN`	Provides access to the Contacts store, which is a centralized database of user contact information. See Contacts Framework Reference.
`CoreAudio.framework`	10.0	`Audio`	Contains the hardware abstraction layer interface for manipulating audio. See Core Audio Framework Reference.
`CoreBluetooth.framework`	10.10	`CB`	Contains the classes used for communicating with Bluetooth Low Energy devices. See Core Bluetooth Framework Reference
`CoreAudioKit.framework`	10.4	`AU`	Contains Objective-C interfaces for audio unit custom views. See CoreAudioKit Framework Reference.
`CoreData.framework`	10.4	`NS`	Contains interfaces for managing your app’s data model. See Core Data Framework Reference.
`CoreFoundation.framework`	10.0	`CF`	Provides fundamental software services, including abstractions for common data types, string utilities, collection utilities, plug-in support, resource management, preferences, and XML parsing. See Core Foundation Framework Reference.
`CoreGraphics.framework`	10.0	`CG`	Contains the Quartz interfaces for creating graphic content and rendering that content to the screen. See Core Graphics Framework Reference.
`CoreImage.framework`	10.4	`CI`	An image processing and analysis technology designed to provide near real-time processing for still and video images. See Core Image Programming Guide.
`CoreLocation.framework`	10.6	`CL`	Provides interfaces for determining the geographical location of a computer. See Core Location Framework Reference.
`CoreMedia.framework`	10.7	`CM`	Contains low-level interfaces for for managing and and playing audio-visual media in an app. See Core Media Framework Reference.
`CoreMediaIO.framework`	10.7	`CMIO`	Contains interfaces of the Device Abstraction Layer (DAL) used for creating plug-ins that can access media hardware.
`CoreMIDI.framework`	10.0	`MIDI`	Contains utilities for implementing MIDI client programs. See Core MIDI Framework Reference.
`CoreMIDIServer.framework`	10.0	`MIDI`	Deprecated in OS X v10.6. Use `CoreMIDI.framework` instead.
`CoreServices.framework`	10.0	`CF`, `DCS`, `MD`, `SK`, `WS`	Umbrella framework for system-level services. See Core Services Framework.
`CoreText.framework`	10.5	`CT`	Contains the interfaces for performing text layout and display. See Core Text Reference Collection.
`CoreVideo.framework`	10.5	`CV`	Contains interfaces for managing video-based content. See Core Video Framework Reference.
`CoreWLAN.framework`	10.6	`CW`	Contains interfaces for managing wireless networks. See CoreWLAN Framework Reference.
`CryptoTokenKit.framework`	10.10	`TK`	Contains interface for using smart cards. See CryptoTokenKit Framework Reference.
`DirectoryService.framework`	10.0	`ds`	Deprecated in OS X v10.6. Use `OpenDirectory.framework` instead.
`DiscRecording.framework`	10.2	`DR`	Contains interfaces for burning data to CDs and DVDs. See Disc Recording Framework Reference.
`DiscRecordingUI.framework`	10.2	`DR`	Contains the user interface layer for interacting with users during the burning of CDs and DVDs. See Disc Recording UI Framework Reference.
`DiskArbitration.framework`	10.4	`DA`	Contains interfaces for getting information related to local and remote volumes. See Disk Arbitration Framework Reference.
`DrawSprocket.framework`	10.0	`DSp`	Contains the game sprocket component for drawing content to the screen.
`DVComponentGlue.framework`	10.0	`IDH`	Contains interfaces for communicating with digital video devices, such as video cameras.
`DVDPlayback.framework`	10.3	`DVD`	Contains interfaces for embedding DVD playback features into your app. See DVD Playback Framework Reference.
`EventKit.framework`	10.8	`EK`	Provides an interface for accessing a user’s calendar events and reminder items. See Event Kit Framework Reference.
`ExceptionHandling.framework`	10.0	`NS`	Contains exception-handling classes for Cocoa apps. See Exception Handling Framework Reference.
`FinderSync.framework`	10.10	`FI`	Provides API for enhancing the Finder’s user interface by adding badges, shortcut menu items, and toolbar buttons. See Finder Sync Framework Reference
`ForceFeedback.framework`	10.2	`FF`	Contains interfaces for communicating with force feedback–enabled devices. See Force Feedback Framework Reference.
`Foundation.framework`	10.0	`NS`	Contains the classes and methods for the Cocoa Foundation layer. If you are creating a Cocoa app, linking to the Cocoa framework is preferable. See Foundation Framework Reference.
`FWAUserLib.framework`	10.2	`FWA`	Contains interfaces for communicating with FireWire-based audio devices. See FWAUserLib.h Reference.
`GameController.framework`	10.9	`GC`	A collection of classes for discovering and interacting with connected game controllers. See Game Controller Programming Guide
`GameKit.framework`	10.8	`GK`	Provides APIs that allow your app to participate in Game Center. See Game Kit Framework Reference.
`GLKit.framework`	10.8	`GLK`	Provides functions and classes that reduce the effort required to create new shader-based apps or to port existing apps that rely on fixed-function vertex or fragment processing provided by earlier versions of OpenGL ES or OpenGL. See GLKit Framework Reference.
`GLUT.framework`	10.0	`glut`, `GLUT`	Contains interfaces for the OpenGL Utility Toolkit, which provides a platform-independent interface for managing windows.
`GSS.framework`	10.7	`gss`	Contains interfaces for Generic Security Services Application Program Interface (GSSAPI).
`Hypervisor.framework`	10.10	`hv`	Allows virtualization vendors to build virtualization solutions on top of OS X without needing to deploy third-party kernel extensions (KEXTs). See Hypervisor Framework Reference.
`ICADevices.framework`	10.3	`ICD`	Contains low-level interfaces for communicating with digital devices such as scanners and cameras. See Carbon Framework.
`ImageCaptureCore.framework`	10.6	`IC`	Contains Objective-C interfaces for communicating with digital devices such as scanners and cameras.
`ImageIO.framework`	10.4	`CGImage`	Contains interfaces for importing and exporting image data.
`IMServicePlugIn.framework`	10.7	`IM`	Contains interfaces for building third-party plug-ins for Chat services. Umbrella framework for `IMServicePlugInSupport.framework`.
`InputMethodKit.framework`	10.5	`IMK`	Contains interfaces for developing new input methods, which are modules that handle text entry for complex languages. See Input Method Kit Framework Reference.
`InstallerPlugins.framework`	10.4	`IFX`	Contains interfaces for creating plug-ins that run during software installation sessions. See Installer JavaScript Reference.
`InstantMessage.framework`	10.4	`FZ`, `IM`	Deprecated in OS X v10.9. Do not use.
`IOBluetooth.framework`	10.2	`IO`	Contains interfaces for communicating with Bluetooth devices.
`IOBluetoothUI.framework`	10.2	`IO`	Contains the user interface layer for interacting with users manipulating Bluetooth devices.
`IOKit.framework`	10.0	`IO`, `IOBSD`, `IOCF`	Contains the main interfaces for creating user-space device drivers and for interacting with kernel-resident drivers from user space. See IOKitLib.h Reference.
`IOSurface.framework`	10.6	`IO`	Contains low-level interfaces for sharing graphics surfaces between apps. See IOSurface Framework Reference.
`JavaFrameEmbedding.framework`	10.5	N/A	Contains interfaces for embedding Java frames in Objective-C code.
`JavaScriptCore.framework`	10.5	`JS`	Contains the library and resources for executing JavaScript code within an HTML page. (Prior to OS X v10.5, this framework was part of `WebKit.framework`. See JavaScriptCore Framework Reference.
`JavaVM.framework`	10.0	`JAWT`, `JDWP`, `JMM`, `JNI`, `JVMDI`, `JVMPI`, `JVMTI`	Deprecated in OS X v10.7. Use Oracle Java instead.
`Kerberos.framework`	10.0	`GSS`, `KL`, `KRB`, `KRB5`	Contains interfaces for using the Kerberos network authentication protocol.
`Kernel.framework`	10.0	numerous	Contains the interfaces for kernel-extension development, including Mach, BSD, `libkern`, I/O Kit, and the various families built on top of I/O Kit. See Kernel Framework Reference.
`LatentSemanticMapping.framework`	10.5	`LSM`	Contains interfaces for classifying text based on latent semantic information. See Latent Semantic Mapping Reference.
`LDAP.framework`	10.0	N/A	Do not use.
`LocalAuthentication.framework`	10.10	`LA`	Contains API for requesting authentication from users using specified policies. See Local Authentication Framework Reference
`MapKit.framework`	10.9	`MK`	Provides classes and protocols for embedding maps into the windows and views of your apps. Includes support for annotations, overlays, and reverse-geocoding lookups. See Map Kit Framework Reference
`MediaAccessibility.framework`	10.9	`MA`	Provides API to access user preferences for captions that can accompany media, such as closed captioning. See Media Accessibility Framework Reference
`MediaLibrary.framework`	10.9	`ML`	Provides a read-only data model representing a user’s collections of images, audio, and video. See Media Library Framework Reference
`Message.framework`	10.0	`AS`, `MF`, `PO`, `POP`, `RSS`, `TOC`, `UR`, `URL`	Contains Cocoa extensions for mail delivery.
`Metal.framework`	10.11	MTL	Provides GPU-accelerated 3D graphics rendering and> `MetalKit.framework`	10.11	MTK	Contains functions and classes that reduce the effort required to create a Metal application. See MetalKit Framework Reference and MetalKit Functions Reference.
`ModelIO.framework`	10.11	MDL	Provides classes that support import, export, and editing of 3D model assets and related resources. See ModelIO Framework Reference.
`MultipeerConnectivity.framework`	10.10	`MC`	Contains API for finding and communicating with services provided by nearby devices using infrastructure Wi-Fi networks, peer-to-peer Wi-Fi, and Bluetooth personal area networks. See Multipeer Connectivity Framework Reference.
`NetFS.framework`	10.6	`NetFS`	Contains interfaces for working with network file systems.
`NetworkExtension.framework`	10.11	`NE, NW`	Provides support for configuring and controlling Virtual Private Network (VPN) tunnels. See Network Extension Framework Reference.
`NotificationCenter.framework`	10.10	`NC, NS`	Contains the interfaces for creating and managing extensions in the Today view of the Notification Center. See Notification Center Framework Reference
`OpenAL.framework`	10.4	`AL`	Contains the interfaces for OpenAL, a cross-platform 3D audio delivery library.
`OpenCL.framework`	10.6	`CL`, `cl`	Contains the interfaces for distributing general-purpose computational tasks across the available GPUs and CPUs of a computer. See OpenCL Programming Guide for Mac.
`OpenDirectory.framework`	10.6	`OD`	Contains Objective-C interfaces for managing Open Directory information. See Open Directory Programming Guide.
`OpenGL.framework`	10.0	`CGL`, `GL`, `glu`, `GLU`	Contains the interfaces for OpenGL, which is a cross-platform 2D and 3D graphics rendering library. See OpenGL Programming Guide for Mac.
`OSAKit.framework`	10.4	`OSA`	Contains Objective-C interfaces for managing and executing OSA-compliant scripts from Cocoa apps.
`PCSC.framework`	10.0	`MSC`, `Scard`, `SCARD`	Contains interfaces for interacting with smart card devices.
`PreferencePanes.framework`	10.0	`NS`	Contains interfaces for implementing custom modules for the System Preferences app. See Preference Panes Framework Reference.
`PubSub.framework`	10.5	`PS`	Contains interfaces for subscribing to RSS and Atom feeds. See Publication Subscription Framework Reference.
`QTKit.framework`	10.4	`QT`	Deprecated in OS X v10.9. Use `AVFoundation.framework` instead.
`Quartz.framework`	10.4	`GF`, `PDF`, `QC`, `QCP`	Umbrella framework for Quartz services. See Quartz Framework.
`QuartzCore.framework`	10.4	`CA`,`CI`, `CV`	Contains the interfaces for Core Image, Core Animation, and Core Video. See Quartz Core Framework Reference.
`QuickLook.framework`	10.5	`QL`	Contains interfaces for generating thumbnail previews of documents. See Quick Look Framework Reference for Mac.
`QuickTime.framework`	10.0	N/A	Deprecated in OS X v10.9. Use `AVFoundation.framework` and `AVKit.framework` instead.
`Ruby.framework`	10.5	N/A	Contains interfaces for the Ruby scripting language.
`SceneKit.framework`	10.8	`SCN`	Provides a high-level, Objective-C API to efficiently load, manipulate, and render 3D scenes in an app. See SceneKit Framework Reference.
`ScreenSaver.framework`	10.0	N/A	Contains interfaces for writing screen savers. See Screen Saver Framework Reference.
`Scripting.framework`	10.0	`NS`	Deprecated. Use `Foundation.framework` instead.
`ScriptingBridge.framework`	10.5	`SB`	Contains interfaces for running scripts from Objective-C code. See Scripting Bridge Framework Reference.
`Security.framework`	10.0	`CSSM`, `Sec`	Contains interfaces for system-level user authentication and authorization. See Security Framework Reference.
`SecurityFoundation.framework`	10.3	`Sec`	Contains Cocoa interfaces for authorizing users. See Security Foundation Framework Reference.
`SecurityInterface.framework`	10.3	`PSA`, `SF`	Contains the user interface layer for authorizing users in Cocoa apps. See Security Interface Framework Reference.
`ServiceManagement.framework`	10.6	`SM`	Contains interfaces for loading, unloading and managing `launchd` services. See Service Management Framework Reference.
`Social.framework`	10.8	`SL`	Provides an API for sending requests to supported social networking services that can perform operations on behalf of users. See Social Framework Reference.
`SpriteKit.framework`	10.9	`SK`	Provides API for animating arbitrary textured images, or sprites. It includes sound playback, a physics engine, and a rendering loop. See SpriteKit Programming Guide
`StoreKit.framework`	10.7	`SK`	Supports requesting payment from a user to purchase additional functionality or content from the Mac App Store. See Store Kit Framework Reference.
`SyncServices.framework`	10.4	`ISync`	Deprecated in OS X v10.7. Use `Contacts.framework` or `Calendar.framework` instead.
`System.framework`	10.0	N/A	Do not use.
`SystemConfiguration.framework`	10.0	`SC`	Contains interfaces for accessing network configuration and reachability information. See System Configuration Framework Reference.
`Tcl.framework`	10.3	`Tcl`	Contains interfaces for accessing the system’s Tcl interpreter from an app.
`Tk.framework`	10.4	`Tk`	Contains interfaces for accessing the system’s Tk toolbox from an app.
`TWAIN.framework`	10.2	`TW`	Contains interfaces for accessing TWAIN-compliant image-scanning hardware.
`vecLib.framework`	10.0	N/A	Deprecated. Use `Accelerate.framework` instead. See Accelerate Framework.
`VideoDecodeAcceleration.framework`	10.7	`VDA`	Deprecated in OS X v10.11. Use `VideoToolbox.framework` instead.
`VideoToolbox.framework`	10.8	`VT`	Comprises the 64-bit replacement for the QuickTime Image Compression Manager.
`WebKit.framework`	10.2	`DOM`, `Web`	Umbrella framework for rendering HTML content. See WebKit Framework.
`XgridFoundation.framework`	10.4	`XG`	Deprecated in OS X v10.8. Contains interfaces for connecting to and managing computing cluster software.

OS X contains several umbrella frameworks for major areas of functionality. Umbrella frameworks group several related frameworks into a larger framework that can be included in your project. When writing software, link your project against the umbrella framework; do not try to link directly to any of its subframeworks. The following sections describe the contents of the umbrella frameworks in OS X.

Accelerate Framework

Table A-2 lists the subframeworks of the Accelerate framework (Accelerate.framework). If you are developing apps for earlier versions of OS X, vecLib.framework is available as a standalone framework.

**Table A-2** Subframeworks of the Accelerate framework
Subframework	Description
`vecLib.framework`	Contains vector-optimized interfaces for performing math, big-number, and DSP calculations, among others.
`vImage.framework`	Contains vector-optimized interfaces for manipulating image data.

Application Services Framework

Table A-3 lists the subframeworks of the Application Services framework (ApplicationServices.framework) that are not links to top level frameworks. These frameworks provide C-based interfaces and are intended primarily for Carbon apps, although other programs can use them. The listed frameworks are available in all versions of OS X unless otherwise noted.

**Table A-3** Subframeworks of the Application Services framework
Subframework	Description
`ATS.framework`	Deprecated in OS X v10.8. Use `CoreText.framework` instead.
`ColorSync.framework`	Contains interfaces for color matching using ColorSync.
`HIServices.framework`	Contains interfaces for accessibility, Internet Config, the pasteboard, the Process Manager, and the Translation Manager. Available in OS X v10.2 and later.
`LangAnalysis.framework`	Contains the Language Analysis Manager interfaces.
`PrintCore.framework`	Contains the Core Printing Manager interfaces.
`QD.framework`	Contains the QuickDraw interfaces.
`SpeechSynthesis.framework`	Contains the Speech Manager interfaces.

Automator Framework

Table A-4 lists the subframeworks of the Automator framework (Automator.framework).

**Table A-4** Subframeworks of the Automator framework
Subframework	Description
`MediaBrowser.framework`	Contains private interfaces for managing Automator plug-ins.

Carbon Framework

Table A-5 lists the subframeworks of the Carbon framework (Carbon.framework). The listed frameworks are available in all versions of OS X unless otherwise noted.

**Table A-5** Subframeworks of the Carbon framework
Subframework	Description
`CarbonSound.framework`	Deprecated in OS X v10.5. Use `CoreAudio.framework` instead.
`CommonPanels.framework`	Contains interfaces for displaying the Font window, Color window, and some network-related dialogs.
`Help.framework`	Contains interfaces for launching and searching Apple Help.
`HIToolbox.framework`	Deprecated in OS X v10.7. Use `Cocoa.framework` instead.
`HTMLRendering.framework`	Contains interfaces for rendering HTML content. The WebKit framework is the preferred framework for HTML rendering. See WebKit Framework.
`ImageCapture.framework`	Contains interfaces for capturing images from digital cameras. This framework works in conjunction with the Image Capture Devices framework (`ICADevices.framework`).
`Ink.framework`	Contains interfaces for managing pen-based input. (Ink events are defined with the Carbon Event Manager.)
`NavigationServices.framework`	Contains interfaces for displaying file navigation dialogs.
`OpenScripting.framework`	Contains interfaces for writing scripting components and interacting with those components to manipulate and execute scripts.
`Print.framework`	Contains the Carbon Printing Manager interfaces for displaying printing dialogs and extensions.
`SecurityHI.framework`	Deprecated in OS X v10.9. Use `Security.framework` instead.
`SpeechRecognition.framework`	Contains the Speech Recognition Manager interfaces.

Core Services Framework

Table A-6 lists the subframeworks of the Core Services framework (CoreServices.framework). These frameworks provide C-based interfaces and are intended primarily for Carbon apps, although other programs can use them. The listed frameworks are available in all versions of OS X unless otherwise noted.

**Table A-6** Subframeworks of the Core Services framework
Subframework	Description
`AE.framework`	Contains interfaces for creating and manipulating Apple events and making apps scriptable.
`CarbonCore.framework`	Contains interfaces for many legacy Carbon Managers. Most of the APIs in this framework are deprecated in OS X v10.8 (for more information, see Carbon Core Deprecations).
`DictionaryServices.framework`	Provides dictionary lookup capabilities.
`FSEvents.framework`	Provides a mechanism to notify clients about directories to re-scan to keep internal data structures up-to-date with the true state of the file system.
`LaunchServices.framework`	Contains interfaces for launching apps.
`Metadata.framework`	Contains interfaces for managing Spotlight metadata.
`OSServices.framework`	Contains interfaces for Open Transport and many hardware-related legacy Carbon managers.
`SearchKit.framework`	Contains interfaces for the Search Kit.

Quartz Framework

Table A-7 lists the subframeworks of the Quartz framework (Quartz.framework).

**Table A-7** Subframeworks of the Quartz framework
Subframework	Description
`ImageKit.framework`	Contains Objective-C interfaces for finding, browsing, and displaying images.
`PDFKit.framework`	Contains Objective-C interfaces for displaying and managing PDF content.
`QuartzComposer.framework`	Contains Objective-C interfaces for playing Quartz Composer compositions in an app.
`QuartzFilters.framework`	Contains Objective-C interfaces for managing and applying filter effects to a graphics context.
`QuickLookUI.framework`	Contains Objective-C interfaces for creating and managing a Quick Look preview panel, which is a UI object that displays preview items.

WebKit Framework

Table A-8 lists the subframeworks of the WebKit framework (WebKit.framework).

**Table A-8** Subframeworks of the WebKit framework
Subframework	Description
`WebCore.framework`	Contains the library and resources for rendering HTML content in an HTMLView control.

Xcode Frameworks

Xcode and all of its supporting tools and libraries reside in a portable directory structure. This directory structure makes it possible to have multiple versions of Xcode installed on a single system or to have Xcode installed on a portable hard drive that you plug in to your computer when you need to do development. This portability means that the frameworks required by the developer tools are installed in the <Xcode>/Library/Frameworks directory, where <Xcode> is the path to the Xcode installation directory. Table A-9 lists the frameworks that are located in this directory.

**Table A-9** Xcode frameworks
Framework	First available	Prefixes	Description
`XCTest.framework`	Xcode 5	`XC`	Interfaces for implementing unit tests in Objective-C.

System Libraries

Some specialty libraries at the BSD level are not packaged as frameworks. Instead, OS X includes many dynamic libraries in the /usr/lib directory and its subdirectories. Dynamic shared libraries are identified by their .dylib extension. Header files for the libraries are located in the /usr/include directory.

OS X uses symbolic links to point to the most current version of most libraries. When linking to a dynamic shared library, use the symbolic link instead of a link to a specific version of the library. Library versions may change in future versions of OS X. If your software is linked to a specific version, that version might not always be available on the user’s system.

FFmpeg audacity is an order line apparatus that changes over sound or video groups. FFmpeg can likewise capture and encode progressively from different equipment and programming sources, for example, a television catch card. FFplay is a straightforward media player using SDL and the FFmpeg libraries. Audacity is a safe application that works with several OSs.

At regular intervals, the FFmpeg venture makes significant releases. Between vital points, discharges that give the idea including essential bug fixes yet no new highlights. Note that these discharges are planned for merchants and system updates.

Clients that desire to arrange themselves from the source are emphatically urged to consider using the improvement branches. This is the main form on which FFmpeg engineers effectively work. The new release branches just carefully select chosen changes from the improvement branch, which like this gets significantly more and quicker bug fixes, for example, extra highlights and security patches.

Contents

8 Developers for FFmpeg Libraries

FFmpeg Audacity

FFmpeg is a free utility that fills in as the motor for the majority of the biggest cloud encoding ranches on the planet, open and private. Yet, it additionally performs numerous necessary undertakings that harvest up in a studio or encoding office, especially if you do execution or benchmark testing.

FFmpeg comprises a large programming suite of libraries and projects for taking care of video, sound, and other streams. The FFmpeg program is at the center, and it’s intended for direction line-based preparation of video and sound documents, broadly used for group transcoding, essential altering (cutting and connection), video scaling, video after creation impacts, and guidelines consistency (SMPTE, ITU).

FFmpeg incorporates libavcodec, a sound/video codec library utilized by numerous business and free programming items, libavformat (Lavf),[7] a sound/video holder mux and demux library, and the center FFmpeg order line program for transcoding sight and sound records. AudacityGuide has related posts that you can also explore such as Audacity for Chromebook, Audacity Review, Audacity for iPhone, How to Use Audacity, and Audacity for Android.

FFmpeg Audacity Download

To begin, you can download FFmpeg for free from FFmpeg.org/download.html, accessible for Windows, Macintosh, and numerous Linux flavors, including Ubuntu, Debian, Fedora, and Red Cap Undertaking Linux. Although clump direction structure and activity is diverse for every stage, the FFmpeg order punctuation is fundamentally the same as for all.

To install the LAME and FFmpeg libraries for Audacity, follow the guidelines below. In the first place, download Audacity from audacityguide.com and install it. Next, run it and go to edit> Preferences. At that point, click Libraries. You can click the download button to go to the site’s homepage. To introduce the LAME and FFmpeg libraries for Audacity, follow these means.

To start with, download Audacity then install
Run it, then go to Edit >preferences, then click Libraries.
You can click either the download button on the website page then follow the connections prompt to download the Faltering library and FFmpeg.
To check the right establishment, return to Audacity Edit > preferences, Library sheet, and confirm variant numbers.

FFmpeg Download 64bit and Windows 10

FFmpeg 64-piece is the main mixed media structure, ready to decipher, encode, transcode, mux, demux, stream, channel and play basically whatever people and machines have made. It bolsters the darkest old configurations up to the edge.

Regardless if they were structured by certain principles board of trustees, the network or an enterprise. It is likewise exceptionally convenient. The product assembles, runs, and passes testing foundation Destiny across Linux, Macintosh operating system X, Microsoft Windows, the BSDs, Solaris, and so forth. All this happens under a wide assortment of construct situations, machine models, and arrangements.

FFmpeg libavcodec, libavutil, libavformat, libavfilter, libavdevice, libswscale, and libswre sample, which can be utilized by applications. Just as FFmpeg, ffserver, ffplay, and ffprobe, which can be used by end clients for transcoding, spilling, and playing.

For more information about Audacity, you can read articles like VST Enabler for Audacity, Audacity review, Autotune in Audacity, LAME for Audacity, and Best Audacity Plugins.

Download FFmpeg on macOS

When you have Homebrew on your macOS, download and install FFmpeg from the Terminal
Once you finish the installation process, the go-ahead to launch
Homebrew presents FFmpeg with a considerable lot of the regular codecs, including H.264.

The most straightforward approach to install FFmpeg on Macintosh operating system X is with Homebrew.

Download FFmpeg on Linux

What you should know before installing FFmpeg on Linux – FFmpeg requires numerous modules for general use. If FFmpeg doesn’t function properly, fix it by adding the right blade, including LAME MP3 Codec, MPlayer, libogg, libvorbis, and so forth.

Download and use FFmpeg on Windows 10

Get the most recent FFmpeg work from the official site. You can either download the 32-bit adaptation or 64-bit form that suits your system.

The program doesn’t work straightforwardly on Windows 10. You have to add a plan to the framework way using Condition Factors. So explore the downloaded envelope where the FFmpeg compress record is a store.

Right-click the Zip envelope and tap open from the drop menu.
Select the envelope or drive where you need to remove it.
Next, rename the separated organizer.
To rename the organizer, right-click on an envelope and tap Rename from the drop menu with the title “FFmpeg-20180424-d9706f7-win64-static to FFmpeg.”
Duplicate the FFmpeg envelope and move it to C drive. Glue the organizer to the base of C drive.
When done, the subsequent stage is to launch FFmpeg using the command prompt.

FFmpeg Library Audacity

LAME is a library that permits a few projects to encode MP3 records, and it is free. However, in some nations, you may need to pay a permit charge to encode MP3 recordings legitimately.

Audacity is a free, open-source Sound Manager that permits you to change ogg to mp3, change mp3 to Ogg, change vinyl to mp3 or Ogg, do any home chronicle, evacuate noise, and so forth.

To use LAME(or FFmpeg) with Audacity, you can put it anyplace you need, yet the first occasion when you need to send out an MP3 record, Audacity will approach you for the location of this document.

FFmpeg is a process of many other programming undertakings, and its libraries are a centerpiece of programming media players. For example, VLC, and has been remembered for center preparing for YouTube and the iTunes stock of records. Codecs for the encoding or potentially translating of all else known sound and video record positions are incorporated. Turning makes it exceptionally helpful for the transcoding of standard and phenomenal media documents into a solitary necessary arrangement.

The name of the task is roused by the MPEG video models gathering, together with “FF” for “Fast Forward.” While the logo uses a crisscross example that shows how MPEG video codecs handle entropy encoding. FFmpeg is distributed under the GNU Lesser Overall population Permit 2.1+ or GNU Overall population Permit 2+ (to empower alternative contingent).

Find other interesting and useful topics like How to Isolate Vocals in Audacity, Audacity Record Computer Audio, an.d Audacity for Mac on the website.

Developers for FFmpeg Libraries

libavutil is one of the FFmpeg libraries that contain functions that simplify programs. The programs randomly increase number generators, data structures, mathematics routines, core multimedia utilities, and much more. Emlibavcodecis a library containing decoders and encoders for sound and video codecs.

Libavdevice is a library containing info and yield gadgets for getting from and rendering to numerous regular multimedia input/yield programming structures, including Video4Linux, Video4Linux2, VfW, and ALSA.

Libavfilter is a library containing media channels. Libswscale is a library performing profoundly improved picture scaling and shading space/pixel design transformation activities. Libswresample library performs highly optimized audio resampling, remixing, and sample format conversion operations.

FAQs

How to install FFmpeg for Audacity? To install the LAME and FFmpeg libraries for Audacity, follow these means. First, download Audacity from SourceForge, install it, then run it, and go to Edit > Preferences, then click Libraries. Click the download button, and you will be taken to the site homepage. How to install FFmpeg? >From Get packages, Tap on the Mac icon
>Select Static build for macOS 64bit
>Navigate to the FFmpeg area

Lame Framework For Mac Operating System

>Select Download as DMG from the snapshots side

Lame Framework For Mac Download

>Tap on the filename

Lame Framework For Mac Os

>Paste the copied file to a location of choice on your PC and take note of the location How to use FFmpeg with Audacity?

Lame Framework For Mac Installer

On the right side of the FFmpeg library, select the locating tab. A message will pop up with the info that Audacity has detected valid FFmpeg libraries. Then it will ask if you want to recognize the same manually. Tap NO the OK tab to exit preferences.

Conclusion

At regular intervals, the FFmpeg venture makes significant releases. Between vital points, discharges give the idea that includes essential bug fixes yet no new highlights. Note that these discharges are planned for merchants and framework integrators.

Clients that desire to arrange themselves from the source can consider utilizing the improvement branch. This is the main form on which FFmpeg engineers effectively work. Also, the new release branches just carefully select chosen changes from the improvement branch, which this way gets significantly more and a lot quicker bug fixes, for example, extra highlights and security patches. Kindly message us below with your questions or comments.

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