Global Variable


A key to access the maximum interval between keyframes.


let AVVideoMaxKeyFrameIntervalKey: String


The value for this key is an instance of NSNumber. A value of 1 signifies keyframes only.

See Also


let AVVideoCompressionPropertiesKey: String

A key to access the dictionary of compression properties for a video asset.

let AVVideoAverageBitRateKey: String

A key to access the average bit rate—as bits per second—used in compressing video.

let AVVideoQualityKey: String

A key to set the JPEG compression quality of the video.

let AVVideoMaxKeyFrameIntervalDurationKey: String

A key to access the maximum interval duration between keyframes.

let AVVideoAllowFrameReorderingKey: String

A key to access permission to reorder frames.

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