Updates the background image from the given playback frame.
Call on the main thread when PlaybackSession delivers a new frame.
If frame is null or frame.image is null, the view is cleared.
Applies a display transform so the image orientation matches the current device orientation.
Uses frame metadata screenOrientation when present, with fallback to resolution-based inference.
Updates the background image from the given playback frame.
Call on the main thread when
PlaybackSessiondelivers a new frame.If
frameis null orframe.imageis null, the view is cleared.Applies a display transform so the image orientation matches the current device orientation.
Uses frame metadata
screenOrientationwhen present, with fallback to resolution-based inference.