SYSTEM AND METHOD FOR QUERYING AND UPDATING A LIVE VIDEO STREAM USING A STRUCTURED QUERY LANGUAGE

摘要

Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for receiving a first message on a first channel of a plurality of channels, wherein the first message comprises a video frame of a plurality of video frames and metadata describing characteristics of the video frame. An element of the video frame may be identified based on the characteristics and the video frame may be modified to update the identified element. A second message may be generated to encapsulate the modified video frame, wherein the second message comprises the modified video frame and modified metadata describing characteristics of the modified video frame. The second message may be published to a second channel of the plurality of channels.