Instance Property

frameDuration

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

Declaration

@property(nonatomic) CMTime frameDuration;

See Also

Configuring Video Composition Properties

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.

animationTool

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

customVideoCompositorClass

The 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.