Method, device and communication system for forwarding scalable video coded data message

A data message and video encoding technology, applied in the field of communications, can solve the problems of reducing the processing performance of access equipment, discontinuous serial numbers, and increasing the burden of access equipment, and achieves the goal of reducing resource consumption, reducing occupation, and improving utilization efficiency. Effect

Inactive Publication Date: 2009-08-26
深圳市智通天下科技服务有限公司
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Problems solved by technology

[0007] In the research of the prior art, the inventor found that: because the serial numbers of the data packets sent by the access device to the terminal are discontinuous, the terminal will send retransmission requests for unnecessary data packets, and the access device also needs to process These retransmission requests increase the burden on the access device and reduce the processing performance of the access device

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  • Method, device and communication system for forwarding scalable video coded data message
  • Method, device and communication system for forwarding scalable video coded data message
  • Method, device and communication system for forwarding scalable video coded data message

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] The embodiment of the present invention provides a method for a network device to forward a scalable video coding data message and related equipment. Firstly, the method for a network device to forward a scalable video coding data message provided by the embodiment of the present invention is introduced. figure 1 The flow of the embodiment of the method for forwarding the scalable video coding data packet by the network device provided by the embodiment of th...

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Abstract

The invention discloses a method, a device and a communication system for forwarding scalable video coded data message, belonging to the communication technology field. The method comprises: receiving the scalable video multicast coded data message encapsulated by real time transmission protocol; selecting the data message suitable for downstream node from the data message to form the multicast data stream to be forwarded, wherein the real time transmission protocol serial numbers of the data message in the multicast data stream are discontinuous; updating the discontinuous real time transmission protocol serial numbers of the data message in the multicast data stream into continuous real time transmission protocol serial numbers; forwarding the multicast data stream formed by the data message with the updated continuous real time transmission protocol serial numbers to the downstream node. According to the technical scheme provided by the embodiment of the invention, the serial numbers of the RTP-encapsulated SVC multicast data stream sent by the network equipment are continuous.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method, device and communication system for forwarding scalable video coding data messages. Background technique [0002] With the advancement and development of video coding technology and standardization, as well as the improvement of network infrastructure and the computing power of various personal computers (PCs) and mobile devices, various applications related to digital video are getting deeper and deeper into people's daily life, such as , multimedia messaging, video telephony, video conferencing, streaming media services over the Internet and wireless networks, television broadcasts in SD and HD resolutions, etc. Since different applications have different requirements for video, Scalable Video Coding (SVC: Scalable Video Coding) is proposed. Scalable Video Coding is an extension technology of the H.264 coding technology. [0003] Scalable Video Coding encodes ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L1/00H04L1/16
CPCH04L1/0084H04L2001/0093
Inventor 徐相胜郑合文胡寅亮荀永生
Owner 深圳市智通天下科技服务有限公司
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