The present invention provides methods, systems and apparatus to manage
processing of video content. In one implementation, a method of managing
processing of video content is provided. The video content includes
picture data representing picture elements to be rendered for display to
a user. The embedded data is conveyed along with the video content. The
method includes: (a) examining the embedded data for rights data, wherein
the rights data is carried by a header; (b) only if the rights data is
missing, examining the embedding data for protect data that is contained
within the picture data; and (c) if the rights data is missing and the
protect data is present, then limiting processing of the video content.
Other implementations are provided as well.