Instance Property

appliesPreferredTrackTransform

Specifies whether to apply the track matrix, or matrices. when extracting an image from the asset.

Declaration

@property(nonatomic) BOOL appliesPreferredTrackTransform;

Discussion

The default is NO. AVAssetImageGenerator only supports rotation by 90, 180, or 270 degrees.

This property is ignored if you set a value for the videoComposition property.

See Also

Configuring Image-Generation Behavior

apertureMode

Specifies the aperture mode for the generated image.

AVAssetImageGeneratorApertureMode

The aperture modes used when generating images.

asset

The asset that initialized the image generator.

maximumSize

Specifies the maximum dimensions for the generated image.

videoComposition

The video composition to use when extracting images from assets with multiple video tracks.

customVideoCompositor

Returns the custom video compositor instance used, if any.