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Play method for streaming media in IPTV system, EPG server and CDN server

A playback method and streaming media technology, applied in the communication field, can solve problems such as service interruption and failure to play normally, and achieve the effect of avoiding service interruption

Inactive Publication Date: 2017-07-21
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method for playing streaming media in an IPTV system, an EPG server, and a CDN server, which solves the problem in the prior art that the service cannot be played normally due to service interruption during the key update process

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  • Play method for streaming media in IPTV system, EPG server and CDN server
  • Play method for streaming media in IPTV system, EPG server and CDN server
  • Play method for streaming media in IPTV system, EPG server and CDN server

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Embodiment Construction

[0038] 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 making creative efforts belong to the protection scope of the present invention.

[0039] In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function or effect. Those skilled in the art can understand that words such as "first" and "second" do not limit the quantity and execution order.

[0040] Embodiments of the present invention provide a me...

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Abstract

The embodiment of the invention provides a play method for streaming media in an IPTV system, an EPG server and a CDN server, and relates to the technical field of communication, solving the problem that in the prior art, normal playing cannot be achieved due to business interruption during a key update process. The scheme of the method comprises the steps of receiving a key update command including a first key, storing a mapping relation between a first key and a first key version number, and reserving the mapping relation between a second key and a second key version number, wherein the second key is the key received before the first key; receiving a streaming media play request message carrying a URL including encrypted anti-theft chain information and the key version number sent by a terminal; reading the key version number in the URL, and finding the key corresponding to the key version number in the URL according to the stored mapping relations between key version numbers and the keys; decrypting the encrypted anti-theft chain information in the URL by using the found key; and sending a streaming media file requested by the terminal to be terminal according to the anti-theft chain information.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method for playing streaming media in an IPTV system, an EPG server and a CDN server. Background technique [0002] Internet Protocol Television (English: Internet Protocol Television, referred to as: IPTV) system, usually in the Electronic Program Guide (English: Electronic Program Guide, referred to as: EPG Server, Chinese: EPG Server) and content distribution network (English: Content Delivery Network (abbreviation: CDN) servers share keys, and use an algorithm based on the Advanced Encryption Standard (English: Advanced Encryption Standard, abbreviation: AES) for encryption and decryption. Specifically, the EPG server returns to the terminal a Uniform Resource Locator (English: UniformResource Locator, referred to as URL) containing encrypted anti-leech links, and the terminal uses the URL containing encrypted anti-leech links to request content playback in the CDN s...

Claims

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Application Information

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IPC IPC(8): H04N21/239H04N21/254H04N21/266H04N21/4385H04N21/458H04N21/858
CPCH04N21/4586H04N21/2393H04N21/2541H04N21/26609H04N21/26613H04N21/4385H04N21/8586
Inventor 孙莉郑强张瑜
Owner CHINA UNITED NETWORK COMM GRP CO LTD
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