Caption Represents a caption, including text and style formatting information, as well as when to show the caption and when to hide it.
 CaptionFormat Represents formatting for a caption object.
 OvpCCManager The OvpCCManager class provides closed captioning for video playback and supports a subset of the W3C Timed Text Authoring Format 1.0 - Distribution Format Exchange Profile (DFXP).
 Style Represents a Caption Style.