AVAssetExportSession

E759688

AVFoundation class Objective-C class Swift-bridged class class

AVAssetExportSession is an AVFoundation class in Apple’s media framework used to transcode and export audiovisual assets to a specified file format and quality.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (3)

Label	Occurrences
AVAssetExportSession canonical	2
AVAssetExportSession.h	1
AVAssetExportSessionStatusCompleted	1

How this entity was disambiguated

This entity first appeared as the object of triple T8820864 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: AVAssetExportSession
Context triple: [AVFoundation, coreClass, AVAssetExportSession]

A. AVFoundation
AVFoundation is Apple’s comprehensive framework for working with time-based audiovisual media, providing APIs for capturing, editing, processing, and playing audio and video across its platforms.
B. HandBrake
HandBrake is a popular open-source video transcoder that allows users to convert and compress video files across multiple formats and platforms.
C. Adobe Media Encoder
Adobe Media Encoder is a video and audio transcoding application from Adobe that lets users export, compress, and convert media into various formats for playback, broadcast, and online distribution.
D. Cutcut
Cutcut is a barangay (village-level administrative division) located in Angeles City in the province of Pampanga, Philippines.
E. FCP
FCP is the common abbreviation for Futebol Clube do Porto, a major Portuguese professional football club based in Porto.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: AVAssetExportSession
Target entity description: AVAssetExportSession is an AVFoundation class in Apple’s media framework used to transcode and export audiovisual assets to a specified file format and quality.

A. AVFoundation
AVFoundation is Apple’s comprehensive framework for working with time-based audiovisual media, providing APIs for capturing, editing, processing, and playing audio and video across its platforms.
B. HandBrake
HandBrake is a popular open-source video transcoder that allows users to convert and compress video files across multiple formats and platforms.
C. Adobe Media Encoder
Adobe Media Encoder is a video and audio transcoding application from Adobe that lets users export, compress, and convert media into various formats for playback, broadcast, and online distribution.
D. Cutcut
Cutcut is a barangay (village-level administrative division) located in Angeles City in the province of Pampanga, Philippines.
E. FCP
FCP is the common abbreviation for Futebol Clube do Porto, a major Portuguese professional football club based in Porto.
F. None of above. chosen

Statements (84)

Predicate	Object
instanceOf	AVFoundation class ⓘ Objective-C class ⓘ Swift-bridged class ⓘ class ⓘ
canExportPreset	AVAssetExportPresetAppleM4A ⓘ AVAssetExportPresetHEVC1920x1080 ⓘ AVAssetExportPresetHEVC3840x2160 ⓘ AVAssetExportPresetHEVCHighestQuality ⓘ AVAssetExportPresetHighestQuality ⓘ AVAssetExportPresetLowQuality ⓘ AVAssetExportPresetMediumQuality ⓘ AVAssetExportPresetPassthrough ⓘ
category	audio processing ⓘ media export ⓘ video processing ⓘ
conformsTo	NSObject ⓘ
definedInFramework	AVFoundation ⓘ
definedInModule	AVFoundation ⓘ
hasClassMethod	exportSessionWithAsset:presetName: ⓘ
hasEnumProperty	status ⓘ
hasMethod	cancelExport ⓘ determineCompatibleFileTypesWithCompletionHandler: ⓘ exportAsynchronouslyWithCompletionHandler: ⓘ
hasProperty	asset ⓘ audioMix ⓘ canPerformMultiplePassesOverSourceMediaData ⓘ error ⓘ estimatedOutputFileLength ⓘ fileLengthLimit ⓘ metadata ⓘ outputFileType ⓘ outputURL ⓘ presetName ⓘ progress ⓘ status ⓘ timeRange ⓘ videoComposition ⓘ
headerFile	AVAssetExportSession.h ⓘ linked to: AVAssetExportSession
introducedIn	iOS 4.0 ⓘ macOS 10.7 ⓘ
platform	Apple ⓘ linked to: Apple Inc. iOS ⓘ macOS ⓘ tvOS ⓘ watchOS ⓘ
purpose	export audiovisual assets ⓘ re-encode video and audio ⓘ transcode media ⓘ write media to file ⓘ
relatedTo	AVAsset ⓘ AVAssetReader ⓘ AVAssetWriter ⓘ AVMutableComposition ⓘ AVPlayerItem ⓘ
requires	sandbox file write permission ⓘ
statusValue	AVAssetExportSessionStatusCancelled ⓘ AVAssetExportSessionStatusCompleted ⓘ linked to: AVAssetExportSession AVAssetExportSessionStatusExporting ⓘ AVAssetExportSessionStatusFailed ⓘ AVAssetExportSessionStatusUnknown ⓘ AVAssetExportSessionStatusWaiting ⓘ
supportsOperation	asynchronous export ⓘ file format conversion ⓘ quality adjustment ⓘ transcoding ⓘ
supportsProperty	audioMix ⓘ canPerformMultiplePassesOverSourceMediaData ⓘ fileLengthLimit ⓘ metadata ⓘ outputFileType ⓘ outputURL ⓘ presetName ⓘ timeRange ⓘ videoComposition ⓘ
threadingModel	asynchronous API ⓘ
usesConstantFamily	AVAssetExportPreset* ⓘ AVFileType* ⓘ
usesType	AVAsset ⓘ AVAudioMix ⓘ AVMutableMetadataItem ⓘ AVVideoComposition ⓘ CMTimeRange ⓘ NSString ⓘ NSURL ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

AVFoundation → coreClass → AVAssetExportSession ⓘ

AVAsset → usedWith → AVAssetExportSession ⓘ

AVAssetExportSession → headerFile → AVAssetExportSession.h ⓘ

linked to: AVAssetExportSession

AVAssetExportSession → statusValue → AVAssetExportSessionStatusCompleted ⓘ