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Live broadcasting time shifting system based on P2P (peer-to-peer) technology and method thereof

A technology of time-shifting and live video, applied in the field of video transmission technology, can solve problems such as affecting the viewing effect of customers, and achieve the effect of reducing occupancy

Inactive Publication Date: 2010-08-04
BEIJING TTKG NETWORK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] In the published P2P live broadcast technical data, the length of the server-side memory buffer is usually at the second level, generally within 150 seconds, because the length of the memory buffer will affect the playback time delay of the live video of the client terminal, and the increase of the time delay will Affect the customer's viewing effect

Method used

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  • Live broadcasting time shifting system based on P2P (peer-to-peer) technology and method thereof
  • Live broadcasting time shifting system based on P2P (peer-to-peer) technology and method thereof

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Embodiment Construction

[0031] The live time-shifting system and method thereof based on P2P technology proposed by the present invention are described in detail in conjunction with accompanying drawings and embodiments as follows:

[0032] The live time-shifting system based on P2P technology of the present invention, such as figure 1 As shown, it includes an encoding server, a live broadcast server and a control server set on the server side; among them: the encoding server: used to receive the live video data stream from the live signal source, and split the live video data stream into fixed-sized live video data packets (such as a live video data packet of 360KByte size), and add channel number and time information to each live video data packet;

[0033] Live server: used for live streaming and storing live video packets of a certain channel; and providing live video to multiple clients at the same time, or providing live time-shifted video;

[0034] Control server: used to process the video re...

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PUM

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Abstract

The invention discloses a live broadcasting time shifting system based on a P2P (peer-to-peer) technology and a method thereof. The system comprises a code server, a live broadcasting sever and a control server which are arranged at a server side. The method comprises the following steps of: cutting live broadcasting video data received into live broadcasting video data packets with fixed size by the code server, and then adding live broadcasting channel information and time information into each live broadcasting video data packet, distributing the coded live broadcasting video data packets to the live broadcasting server, and sending the current control information to the control sever; continuously acquiring the live broadcasting video data packets from the code server by the live broadcasting video sever; when a client side applies for watching videos, firstly sending a video request to the control server, returning the storage information of the video data to the client side by the control sever, and acquiring the video data through the established data chain path by the client side. The server side and the client side of the invention can simultaneously support the live broadcasting time shifting function based on the P2P technology and support the large-scale concurrent application.

Description

technical field [0001] The invention belongs to the technical field of network video transmission and application, in particular to a video transmission technology combining P2P technology and live broadcast time-shifting technology. Background technique [0002] Live video technology has been widely used, and television is a widely used live video technology. The live video technology is characterized by timeliness, and if you miss the time, you cannot watch the live video content. For customers who want to watch live video content, but the time cannot be guaranteed, either wait for the re-live video content, or use the on-demand method to watch the video content. However, whether live video content is rebroadcast, whether it can become on-demand video content, and the online time of on-demand video content cannot be determined. In order to meet customer needs, a technology for storing live video content has emerged. This storage can be implemented on the server or throug...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H04N7/173H04N7/24
CPCH04N21/2187H04N21/632H04L29/06462H04L65/4084H04N21/2181H04N21/4436H04L65/612
Inventor 刘怀宇欧阳定恒
Owner BEIJING TTKG NETWORK TECH
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