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AVFoundation Framework Reference AVMutableVideoCompositionLayerInstruction Class Reference

Document Revision History

This table describes the changes to AVMutableVideoCompositionLayerInstruction Class Reference.

Date

Notes

2013-09-18

Updated for iOS 7. Added setCropRectangleRampFromStartCropRectangle: toEndCropRectangle:timeRange: and setCropRectangle:atTime: methods.

2010-05-24

First version of a document that describes an object you use to modify the transform and opacity ramps to apply to a given track in an AV composition.