Method, apparatus and system for IP television channel switching processing

A channel switching, IP TV technology, applied in the field of communication, can solve the problem of freeze frame, mosaic and other problems in the picture, achieve the effect of improving user experience, reducing internal bandwidth consumption and management workload of the device

Inactive Publication Date: 2009-07-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0012] Based on the above analysis, the purpose of the embodiments of the present invention is to provide an IP TV channel switching processing method, device and system, which can solve the problem of freeze frame and mosaic in the picture when switching channels at a lower cost, thereby improving user experience

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  • Method, apparatus and system for IP television channel switching processing
  • Method, apparatus and system for IP television channel switching processing
  • Method, apparatus and system for IP television channel switching processing

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Embodiment Construction

[0027] The detailed description will be described below in conjunction with the accompanying drawings and specific embodiments. However, it should be noted that the following embodiments are only examples for helping to understand the technical solutions, and are not intended to limit the present invention.

[0028] figure 1 It is a simplified flowchart of an IPTV channel switching processing method in an embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0029] 101. Receive an IGMP Leave message, and the IGMP Leave message is used to request to leave the first channel;

[0030]For example, the user corresponds to the STB, and the user watches the program of the first channel, and the VOD Center (Video On Demand Center, Video On Demand Center) sends the multicast stream corresponding to the first channel to the UPE, and the UPE adopts a multicast method to send the program corresponding to the second channel to the UPE. A channel's multi...

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Abstract

The invention provides an Internet Protocol Television (IPTV) channel switching processing method comprising: receiving an Internet Group Management Protocol IGMP Leave message for asking for leaving a first channel; recording user information corresponding to the IGMP Leave message; receiving an IGMP Report message for asking for adding in a second channel; adding the user in a multicast group corresponding to the second channel according to the recorded user information, and generating a multicast list item corresponding to the second channel; recognizing and caching a first multicast copy flow corresponding to the second channel; deleting the multicast list item corresponding to the first channel; transmitting the first multicast copy flow by using a unicast mode; switching the flow to a multicast mode, transmitting a second multicast copy flow corresponding to the second channel by the multicast according to the multicast list item corresponding to the second channel. The method provided by the invention can solve the problems of a picture fixing and mosaic during the channel switching by using a lower cost.

Description

technical field [0001] The present invention relates to the communication field, in particular to an IP TV channel switching processing method, device and system. Background technique [0002] According to the latest definition of ITU-T (International Telecommunication Union-Telecommunications Standardization Sector, International Telecommunication Union-Telecommunications Standardization Sector), IPTV (Internet Protocol Television, IP TV) is the transmission of TV and video on the IP (Internet Protocol, Internet Protocol) network. , text, graphics and data, etc., and provide QoS / QoE (Quality of Service / Quality of Experience, quality of service / customer perception experience) guarantee, so as to provide safe, interactive and reliable manageable multimedia services. [0003] At present, IPTV is mostly transmitted by multicast technology. In order to obtain multicast traffic, the user joins a multicast group through a specific PVC (Permanent Virtual Channel) and uses IGMP (In...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/173H04N7/24H04L29/06
CPCH04L65/4076H04L65/4092H04L29/06469H04N21/64322H04N21/4383H04N21/6408H04N21/6405H04L29/06455H04L65/613H04L65/611
Inventor 李彬轩
Owner HUAWEI TECH CO LTD
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