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Live broadcast time-shift processing method, system and source station

A processing method and time-shifting technology, applied in transmission systems, image communication, selective content distribution, etc., can solve problems such as the paralysis of the source station and affect the quality of Internet TV, and achieve the effect of reducing pressure

Active Publication Date: 2021-03-30
CHINA TELECOM CLOUD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] If a large number of IPTV clients initiate live broadcast time-shift requests at the same time, and the relative time of each IPTV client request for time-shifting is different, the CDN cache server needs to return a large number of origins, which will put a lot of pressure on the origin site, so The source site needs to be expanded to meet a large number of back-to-source requests, otherwise the source site may be paralyzed, which will affect the quality of the entire network TV

Method used

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  • Live broadcast time-shift processing method, system and source station
  • Live broadcast time-shift processing method, system and source station
  • Live broadcast time-shift processing method, system and source station

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Embodiment Construction

[0032] Next, the technical solutions in the embodiments of the present invention will be apparent from the embodiment of the present invention, and it is clearly described, and it is understood that the described embodiments are merely embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained in the art without creative labor are not made in the premise of creative labor.

[0033] The relative arrangement, digital expression and numerical value of the components and steps set forth in these examples are unless otherwise specified, unless otherwise specified.

[0034] At the same time, it should be understood that in order to facilitate the description, the dimensions of the respective portions shown in the figures are not drawn in accordance with the actual ratio relationship.

[0035] For technical, methods, and equipment known to those of ordinary skill in the art may not be discussed in de...

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Abstract

The invention discloses a live broadcast time-shift processing method, system and source station, and relates to the CDN technical field. The method includes: the source station receives a first live broadcast time-shift request sent by a first content distribution network CDN cache server, and the first live broadcast time-shift request is received by the source station. A live broadcast time-shift request is sent by the first network TV client to the first CDN cache server, and the first live broadcast time-shift request carries the start time of requesting to watch back the video; The first playlist corresponding to the first live time shift request is sent to the first CDN cache server, so that the first CDN cache server caches the first playlist and sends it to the first IPTV client Play, wherein the first playlist includes a plurality of video fragments. The present invention can reduce the pressure on the source station.

Description

Technical field [0001] The present invention relates to the field of content distribution network (CDN), in particular a live shift processing method, system, and source station. Background technique [0002] Network TV refers to watching TV over the Internet. Network TV systems include network TV clients, CDN cache servers, and source stations, such as figure 1 Indicated. [0003] The network TV client is a network TV access device, responsible for TV program, select program, audio and video reception, decoding, etc. The CDN Cache server provides the distribution of TV programs, allowing users to receive TV content in the CDN cache server from their nearest. The CDN cache server is good at caches static content, and the dynamic content is taken directly from the source station. The source station provides live broadcast, on-demand TV sources. [0004] Live time shift refers to the live content of any time you can play back. Live time shift technology is primarily applied to eme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04N21/2187H04N21/231H04N21/472H04N21/845H04N21/8547
CPCH04N21/2187H04N21/231H04N21/47202H04N21/8456H04N21/8547H04L65/75H04L65/762H04L65/765H04L65/65
Inventor 张平冀晖侯光华
Owner CHINA TELECOM CLOUD TECH CO LTD