Video delivery and control by overwriting video data

摘要

Systems, apparatus and methods are provided for generating, delivering, processing and displaying video data to preserve the video creator's creative intent. Metadata which may be used to guide the processing and display of the video data is dynamically generated and embedded in the video data throughout a video delivery pipeline. The metadata may be written in chrominance data for black video frames, black mattes or bars framing an image, and/or in the other image areas for which luminance values are zero or below a threshold value.

主权项

1. A method of providing video data to a display subsystem, comprising:
capturing a sequence of video frames to provide video data; editing on a reference display an image provided by the video data; generating metadata identifying configuration parameters of the reference display and characteristics of the edited image, wherein the metadata corresponds to a new scene in the video data and wherein the metadata is capable of controlling the display subsystem according to a director's creative intent for displaying the video data;
locating black video frames in the video data preceding the new scene;embedding the metadata in one or more chrominance portions of pixels in the black video frames, if available; if not available, embedding the metadata in alternative portions of the video data; delivering the video data including the embedded metadata to the display subsystem; extracting the metadata at the display subsystem; and configuring the display subsystem or processing the video data for the display subsystem based at least in part on the metadata.