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AVFoundation Framework Reference AVVideoCompositionLayerInstruction Class Reference

Document Revision History

This table describes the changes to AVVideoCompositionLayerInstruction Class Reference.

Date

Notes

2013-09-18

Added getCropRectangleRampForTime:startCropRectangle: endCropRectangle:timeRange: method.

2010-05-16

First version of a document that describes an object that represents the transform and opacity ramps to apply to a given track.