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Video round cutting control method, equipment and system

A technology of round cut and video, applied in the direction of CCTV system, etc., can solve problems such as black screen, green screen or blurred screen, affect user experience, and cannot guarantee correct decoding of images, so as to improve system performance and user experience, shorten the gap time, The effect of improving user experience

Active Publication Date: 2016-06-15
HUAWEI SOFTWARE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, although this method can ensure the continuity of the business flow, it cannot guarantee the correct decoding of the image, and it may still display a black screen, green screen or blurred screen, which affects the user experience

Method used

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  • Video round cutting control method, equipment and system
  • Video round cutting control method, equipment and system
  • Video round cutting control method, equipment and system

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] figure 1 It is a schematic flow diagram of the method of the first embodiment of the present invention, including:

[0038] Step 11: the control server sends a round-robin command to the media management server, so that after the media management server receives the round-cut command, the media management server and the media channel ...

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PUM

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Abstract

The invention provides a video profile cut control method, device and system. The method comprises the following steps of: sending a profile cut command to a media management server by a control server to ensure that the media management server is connected with a media channel of a monitor front-end unit to be switched and a media channel of a monitor terminal after the profile cut command is received by the media management server so that the monitor front-end unit to be switched is connected with the monitor terminal via the media channels, wherein the monitor front-end unit and the monitor terminal are respectively pre-connected with the media management server; and sending a key frame request to the monitor front-end unit to be switched by the control server to ensure that the monitor front-end unit to be switched sends a key frame to the monitor terminal via the media channel of the monitor terminal after the key frame request is received by the monitor front-end unit to be switched. Through the embodiment of the invention, system performance and user experience in a video profile cut process can be improved.

Description

technical field [0001] The invention relates to network video monitoring technology, in particular to a method, device and system for video wheel cut control. Background technique [0002] In Network Video Surveillance System (NVS) services, in order to minimize the requirement on network bandwidth, H.264 is generally used to encode video data before sending. H.264 encoded data is divided into I frame and non-I frame. The I frame is also called a key frame, which is a complete frame. Through this frame data, a complete video image can be decoded. Non-I frames generally include P frames and B frames. These are called reference frames. The complete video image cannot be decoded only through this frame. It needs to refer to the previous or subsequent frames to decode correctly. [0003] In the network video surveillance business, the number of monitoring lenses is far greater than the number of monitoring screens. In most cases, monitoring users need to group the monitoring l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/18
Inventor 王峰李耀辉孙文敏宋丙林
Owner HUAWEI SOFTWARE TECH
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