AVLayerVideoGravity

The video should be stretched to fill the layer’s bounds.

The player should preserve the video’s aspect ratio and fit the video within the layer’s bounds.

The player should preserve the video’s aspect ratio and fill the layer’s bounds.

The player for which the player layer displays visual output.

A Boolean value that indicates whether the first video frame has been made ready for display for the current item of the associated player.

A value that specifies how the video is displayed within a player layer’s bounds.

The current size and position of the video image as displayed within the receiver's bounds.

The client requirements for the visual output displayed in the player layer during playback.

Returns a scaled rectangle that maintains the specified aspect ratio within a bounding rectangle.