Media data transmission method and system

A technology of media data and transmission methods, applied in the Internet field, can solve the problems of slowing down the response speed and complicated interaction process, and achieve the effect of improving the response speed, simplifying the interaction process, and reducing the number of ports

Inactive Publication Date: 2013-12-18
融创天下(上海)科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the inventor has found that the media stream forwarding method in the traditional technology has at least the following problems: the SIP server in the traditional technology uses UDP (User Datagram Protocol, User Datagram Protocol) connection when establishing a session, so that the SIP server needs to initiate A large number of session requests transmit address and port information to the client, media server and resource server, making the interaction process more complicated and reducing the response speed

Method used

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  • Media data transmission method and system
  • Media data transmission method and system

Examples

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Embodiment Construction

[0037] In one embodiment, such as figure 1 As shown, a media data transmission method, the method completely depends on the computer program, and the computer program can run on the computer system based on the von Neumann system. The computer system is based on a video / audio on-demand system composed of a client, a SIP server, a media server and a resource server in the prior art.

[0038] For the media data transmission method based on the video / audio on-demand system in the prior art, please refer to figure 2 ,Such as figure 2 As shown, the complete video-on-demand process interaction in the prior art is as follows (refer to the national standard GBT28181):

[0039] A1. The client sends a session request with SDP (Session Description Protocol, Session Description Protocol) to the SIP server. The SDP contains the resource identifier of the media data requested by the user (such as the MD5 value corresponding to the video resource) and the terminal identifier of the clie...

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Abstract

Disclosed is a media data transmission method. The method includes the steps that an SIP server receives a media-on-demand request initiated by a client-side and extracts a resource identifier according to the media media-on-demand request; the SIP server acquires a corresponding media server and a corresponding resource server according to the resource identifier and sends the resource identifier to the media server; the resource server acquires the resource identifier and address information of the media server through the SIP server, establishes a UDT link with the media server according to the address information and sends media data corresponding to the resource identifier to the media server through the UDT link; the media server establishes a link with the client-side through the SIP server and sends the media data corresponding to the resource identifier to the client-side. The invention further provides a media data transmission system. The media data transmission method and method can improve system response speed and media data transmission quality.

Description

technical field [0001] The invention relates to the technical field of the Internet, in particular to a media data transmission method and system. Background technique [0002] With the development of Internet technology, media on-demand systems such as video-on-demand are also widely used. The media on demand system in the traditional technology is based on the SIP protocol (Session Initiation Protocol, session initiation protocol), including a SIP server, a media server and a resource server. The SIP server is responsible for establishing a session, and the media server is responsible for forwarding the media data sent by the resource server to the client. [0003] However, the inventor has found that the media stream forwarding method in the traditional technology has at least the following problems: the SIP server in the traditional technology uses UDP (User Datagram Protocol, User Datagram Protocol) connection when establishing a session, so that the SIP server needs t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/643
Inventor 林华景
Owner 融创天下(上海)科技发展有限公司
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