mediaSubType
A key that identifies the output media subtype of a caption conversion operation.
Declaration
static let mediaSubType: AVCaptionSettingsKeyDiscussion
This key supports numeric and string forms of media subtypes for caption conversions.
A key that identifies the output media subtype of a caption conversion operation.
static let mediaSubType: AVCaptionSettingsKeyThis key supports numeric and string forms of media subtypes for caption conversions.