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Method and system for transmitting streaming media data

A transmission method and streaming media technology, applied in transmission systems, using return channels for error prevention/detection, electrical components, etc., can solve problems such as affecting service quality, not guaranteeing data reliability, and unreliable data reliability.

Inactive Publication Date: 2010-02-24
SHENZHEN SKYWORTH DIGITAL TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

The TCP protocol is a connection-oriented and reliable data transmission protocol. The protocol itself has the function of packet loss and retransmission, which can ensure that the data packets arrive at the receiving end in the correct order and completeness. However, the real-time requirements for streaming media services are often can not satisfy
The UPD protocol does not guarantee the reliability of data and has good real-time performance, so the UDP protocol is adopted by many streaming media services; however, the shortcomings of UDP transmission protocol data unreliability cannot meet the data reliability requirements of streaming media services , thus affecting the quality of service

Method used

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  • Method and system for transmitting streaming media data

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Embodiment Construction

[0023] For ease of understanding, a real-time transport protocol (Real-time Transport Protocol, RTP) is briefly described first.

[0024] The RTP protocol is a network transmission protocol, which was announced in RFC 1889 by the Multimedia Transmission Working Group of the IETF in 1996. The RTP protocol specifies the standard data packet format for transmitting audio and video on the Internet. It is often used in streaming media systems, video conferencing and Push to Talk systems, making it the technical basis of the IP telephony industry. The RTP protocol is used together with RTCP (Real-time Transport Control Protocol, RTP Control Protocol), and it is built on the User Datagram Protocol (UDP).

[0025] Moreover, the RTP protocol itself does not provide a timely delivery mechanism or other quality of service guarantees, it relies on low-level services to achieve this process. The RTP protocol does not guarantee delivery or prevent out-of-order delivery, nor does it determi...

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Abstract

The invention relates to a method for transmitting streaming media data, comprising the following steps: a streaming media server packs streaming media into an RTP data packet by an RTP protocol and transmits the RTP data packet to a client; the client judges whether packet serial numbers of the received RTP data packet are continuous or not; if not, an RTCP retransmission request is transmitted to the streaming media server; the streaming media server analyzes the RTCP retransmission request; and a missed RTP data packet is retransmitted according to a network communication state self-adaptive regulation retransmission mode. The method and the device can satisfy the requirements of streaming media service real-time transmission and high reliability according to the actual network communication state self-adaptive regulation retransmission mode so as to achieve better streaming media service effect.

Description

technical field [0001] The invention relates to streaming media data transmission, in particular to a method for ensuring real-time and high reliability of streaming media data transmission, and a streaming media data transmission system using the method. Background technique [0002] The current high-speed broadband network continues to spread. Broadband access is not only used in enterprises, industry and commerce, commerce and education, but also in communities and households. It is easier than ever before to obtain richer media content, which is provided through a large number of widely distributed broadband devices to provide shared resources. It is based on such a broad broadband foundation that the application of "Streaming Media" has been born. Streaming media actually represents the evolution from traditional content downloading to real-time cross-media acquisition of new content. The application of streaming media is to enable users to experience a seamless and in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L1/18
Inventor 古文静
Owner SHENZHEN SKYWORTH DIGITAL TECH CO LTD
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