Reconnection technique for network flow medium transmission disconnection

A technology of media transmission and disconnection and reconnection. It is applied in transmission systems, devices and electrical components that provide special services in branches. It can solve problems affecting the integrity and playback quality of streaming media data on the client side, and ensure integrity and reliability. Effects of playback quality

Inactive Publication Date: 2010-07-14
SHANDONG UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention aims at the interruption of the data stream caused by the disconnection of the network connection of the client, which affects the integrity and playback quality of the streaming media data downloaded by the client, and provides a method that can realize the automatic reconnection of the client to the server and continue from the moment when the data stream is interrupted. Receive the data stream, so as to ensure that the user continues to watch the program or download the complete streaming media file. Network streaming media transmission disconnection reconnection technology

Method used

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  • Reconnection technique for network flow medium transmission disconnection
  • Reconnection technique for network flow medium transmission disconnection
  • Reconnection technique for network flow medium transmission disconnection

Examples

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Embodiment Construction

[0015] like figure 1 As shown in the figure, when a stable and continuous data stream is received from the server, the network connection of the client may be suddenly disconnected for some reason, which will cause the application to exit and interrupt the downloading and playback of the client.

[0016] The process of the client receiving streaming media data from the server through the network is as follows figure 2 shown. from figure 2 It can be seen that the client is mainly composed of three components: receive reassembly, decoding and playback. The client first establishes a connection with the streaming media server through the RTSP protocol to perform necessary information exchange. Then the client receives the RTP packet containing the media data from the network, extracts the media data from the RTP packet according to the sequence number and timestamp of the RTP packet and other information, and performs sorting and reorganization. The restored media data cont...

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Abstract

The invention provides a network streaming media transmission disconnection re-entering technique. The technique includes steps as follows: (1) detecting network disconnection; (2) detecting network connection state; (3) receiving date continuously. Client calculates program NPT corresponding to network disconnection time according with time relationship in streaming media system, then, client uses the time as one parameter of RTSP agreement PLAY method after NPT requiring program disconnection to streaming media server, and realizes streaming media loading or playing continuously. The PRSP agreement OPTIONS method and PLAY method provided by the invention can make client receive date from server continuously when network connection is returned to normal after client network disconnection, and ensure loading integrity and playing quality of streaming media date in client.

Description

technical field [0001] The invention relates to a disconnection and reconnection technology of a client in a streaming media transmission system. Background technique [0002] With the rapid development of Internet technology and computer technology, the data transmitted on the network has gradually transitioned from the original text and pictures to multimedia formats such as sound and video. Before the emergence of streaming media technology, traditional download-playback technology was used to watch audio and video programs. However, due to the limitations of network bandwidth and protocol specifications, downloading a large number of audio and video files from the Internet requires a lot of time and storage space, which limits people to use audio and video information to communicate on the Internet. [0003] The emergence of streaming media technology has solved this problem very well. Streaming is a new concept that has appeared on the network in recent years. It main...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/18H04L29/06
Inventor 刘琚李善彬魏于涛任振峰乔建苹
Owner SHANDONG UNIV
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