Global Variable

AVVideoMaxKeyFrameIntervalKey

A key to access the maximum interval between keyframes.

Declaration

NSString *const AVVideoMaxKeyFrameIntervalKey;

Discussion

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

See Also

Compression

AVVideoCompressionPropertiesKey

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

AVVideoAverageBitRateKey

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

AVVideoQualityKey

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

AVVideoMaxKeyFrameIntervalDurationKey

A key to access the maximum interval duration between keyframes.

AVVideoAllowFrameReorderingKey

A key to access permission to reorder frames.