AVAssetExportSession
E759688
AVAssetExportSession is an AVFoundation class in Apple’s media framework used to transcode and export audiovisual assets to a specified file format and quality.
All labels observed (1)
| Label | Occurrences |
|---|---|
| AVAssetExportSession canonical | 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 NERFINISHED ⓘ |
| category |
audio processing
ⓘ
media export ⓘ video processing ⓘ |
| conformsTo | NSObject NERFINISHED ⓘ |
| definedInFramework | AVFoundation NERFINISHED ⓘ |
| definedInModule | AVFoundation NERFINISHED ⓘ |
| 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 NERFINISHED ⓘ |
| introducedIn |
iOS 4.0
NERFINISHED
ⓘ
macOS 10.7 ⓘ |
| platform |
Apple
NERFINISHED
ⓘ
iOS ⓘ macOS ⓘ tvOS NERFINISHED ⓘ watchOS NERFINISHED ⓘ |
| purpose |
export audiovisual assets
ⓘ
re-encode video and audio ⓘ transcode media ⓘ write media to file ⓘ |
| relatedTo |
AVAsset
NERFINISHED
ⓘ
AVAssetReader ⓘ AVAssetWriter NERFINISHED ⓘ AVMutableComposition NERFINISHED ⓘ AVPlayerItem NERFINISHED ⓘ |
| requires | sandbox file write permission ⓘ |
| statusValue |
AVAssetExportSessionStatusCancelled
NERFINISHED
ⓘ
AVAssetExportSessionStatusCompleted NERFINISHED ⓘ AVAssetExportSessionStatusExporting ⓘ AVAssetExportSessionStatusFailed NERFINISHED ⓘ AVAssetExportSessionStatusUnknown NERFINISHED ⓘ AVAssetExportSessionStatusWaiting NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
AVAudioMix NERFINISHED ⓘ AVMutableMetadataItem NERFINISHED ⓘ AVVideoComposition NERFINISHED ⓘ CMTimeRange ⓘ NSString ⓘ NSURL NERFINISHED ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: AVAssetExportSession Description of subject: AVAssetExportSession is an AVFoundation class in Apple’s media framework used to transcode and export audiovisual assets to a specified file format and quality.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.