pub unsafe static AVVideoEncoderSpecificationKey: Option<&'static NSString>Available on crate feature
AVVideoSettings only.Expand description
The video encoder specification includes options for choosing a specific video encoder.
The value for this key is a dictionary containing kVTVideoEncoderSpecification_* keys specified in the VideoToolbox framework. This key should be specified at the top level of an AVVideoSettings dictionary.
See also Apple’s documentation