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A video uplink transmission method based on collaborative multiple terminals

A technology of multi-terminal collaboration and link transmission, applied in the field of wireless network streaming media transmission, it can solve the problems of slow video transmission on a single link and cannot satisfy user experience, and achieve the effect of improving experience.

Active Publication Date: 2015-01-28
NANJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004]Technical problem: The present invention aims at problems such as slow single-link video transmission in the actual network, which cannot satisfy user experience, etc., and provides a multi-terminal environment based on multi-terminal coordination HD real-time video uplink transmission method

Method used

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  • A video uplink transmission method based on collaborative multiple terminals
  • A video uplink transmission method based on collaborative multiple terminals

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Embodiment Construction

[0032] The technical solution of the present invention will be described in detail below in conjunction with the embodiments and the accompanying drawings.

[0033] 1. The scene of the present invention is as figure 2 In this scenario, multiple heterogeneous wireless terminals are used for registration and unified management through the network control platform, and the network control platform performs transmission scheduling and controls multiple wireless networks to work together to transmit video from the server to the client;

[0034] illustrate:

[0035] 1) Video service server: encode, split and package the original video stream collected from the camera.

[0036] 2) Collaborative terminal: used for collaborative long-distance transmission between the video server and the monitoring center client;

[0037] 3) Video playback client: accept the video data packet from the video server, perform caching, decoding and other operations and play it.

[0038] 4) Terminal co...

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Abstract

The present invention discloses a video uplink transmission method based on collaborative multiple terminals, and the method comprises dividing functions of a video server into a video source providing module, a video coding module, a terminal connecting and dispatching module. The video source providing module provides an original video image; the video coding module codes video frames; and the terminal connecting and dispatching module monitors access of the collaborative terminals, makes a shunt decision, and issues a new video frame request to the video source providing module. A video client playing end is divided into a terminal connecting and dispatching module, a frame manage module, a video decoding module, and a video playing module. The terminal connecting and dispatching module monitors access of the collaborative terminals, receives the data and buffers the data and sorts the data to form a complete data frame; and the frame manage module sorts the video frames, and hands over to the decoding module for decoding, and finally, the decoded video frames are played by the video playing module. The method can increase the video transmission speed and increase downloading and watching experience for the user.

Description

[0001] technical field [0002] The invention relates to a method for cooperative video transmission in a multi-terminal environment, belonging to the field of wireless network streaming media transmission. Background technique [0003] With the popularization of broadband network and the development of multimedia technology, the application of streaming media technology is becoming more and more extensive, such as digital broadcasting services, video conferencing services, video-on-demand services, IPTV, mobile streaming media services, etc. Users are no longer satisfied with web browsing, text reading and other online methods. People often hope to watch live video online and experience various streaming media services. The download speed of a single link in the actual network often cannot meet the requirements of users to watch high-definition videos, and the videos are often in a paused and buffered state. At this time, you can use multi-terminal coordination means under...

Claims

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Application Information

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IPC IPC(8): H04N21/647H04N21/234H04N21/238H04N21/438
CPCH04N21/234381H04N21/2393H04N21/2408H04N21/26258H04N21/43615H04N21/440281H04N21/44209H04N21/44245
Inventor 朱晓荣张飞阳罗小琴杨龙祥朱洪波
Owner NANJING UNIV OF POSTS & TELECOMM
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