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.

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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 ⓘ

Referenced by (1)

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

AVFoundation → coreClass → AVAssetExportSession ⓘ