Invention Application
WO2017062404A1 GATEWAY MULTI-VIEW VIDEO STREAM PROCESSING FOR SECOND-SCREEN CONTENT OVERLAY 审中-公开
网关多视图视频流处理第二屏幕内容覆盖

GATEWAY MULTI-VIEW VIDEO STREAM PROCESSING FOR SECOND-SCREEN CONTENT OVERLAY
Abstract:
Particular embodiments use a multi-view coding (MVC) extension to provide second-screen content along with the first-screen content. In one embodiment, a head-end multiplexes the first-screen content with the second-screen content into a single content stream. The second-screen content is added to the video stream according to the MVC extension requirements. At the user end, such as at a gateway, instead of sending the first-screen content and second-screen content to the first-screen device, the gateway de-multiplexes the first-screen content and the second-screen content. The gateway can then send the first-screen content to the first-screen device while caching the second-screen content. When the gateway determines that the second-screen content should be displayed on the second-screen device, the gateway can send the second-screen content to the second-screen device for display on the second-screen of the second-screen device.
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