Instance Property

animationTool

A video composition tool to use with Core Animation in offline rendering.

Declaration

@property(nonatomic, readonly, retain) AVVideoCompositionCoreAnimationTool *animationTool;

Discussion

This attribute may be nil. Set an animation tool if you are using the composition in conjunction with AVAssetExportSession for offline rendering, rather than with AVPlayer.

See Also

Configuring Video Composition Properties

frameDuration

A time interval for which the video composition should render composed video frames.

renderSize

The size at which the video composition should render.

renderScale

The scale at which the video composition should render.

instructions

The video composition instructions.

AVVideoCompositionInstruction

Methods you can implement to represent operations to be performed by a compositor.

customVideoCompositorClass

A custom compositor class to use.

sourceTrackIDForFrameTiming

A value that indicates whether frame timing for the video composition is derived from the source's asset track.

colorPrimaries

The color primaries used for video composition.

colorTransferFunction

The transfer function used for video composition.

colorYCbCrMatrix

The YCbCr matrix used for video composition.