Document Revision History

This table describes the changes to AVMutableVideoCompositionLayerInstruction Class Reference.

2013-09-18Updated for iOS 7. Added setCropRectangleRampFromStartCropRectangle: toEndCropRectangle:timeRange: and setCropRectangle:atTime: methods.
2010-05-24First 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.