Global Variable

AVVideoCleanApertureKey

A key that defines the region within the video dimension displayed during playback.

Declaration

NSString *const AVVideoCleanApertureKey;

Discussion

The value for this key is an instance of NSDictionary containing one or more of the following keys: AVVideoCleanApertureWidthKey, AVVideoCleanApertureHeightKey, AVVideoCleanApertureHorizontalOffsetKey, or AVVideoCleanApertureVerticalOffsetKey. If no clean aperture region is specified, the playback displays the entire frame.

See Also

Clean Aperture

AVVideoCleanApertureWidthKey

A key to access the width of video that's free from transition artifacts caused by signal encoding.

AVVideoCleanApertureHeightKey

A key to access the height of video that's free from transition artifacts caused by signal encoding.

AVVideoCleanApertureVerticalOffsetKey

A key to access the vertical offset of video that's free from transition artifacts caused by signal encoding.

AVVideoCleanApertureHorizontalOffsetKey

A key to access the horizontal offset of video that's free from transition artifacts caused by signal encoding.