Transmission method for multipath concurrence network television video stream based on internet

Abstract

The invention discloses a transmission method of video streams of a multi-channel concurrent network television based on the internet and includes the steps that n queues of MPEG 2 data frames are built in a front video collection system of a network television and each queue is corresponding to coding streams of a set of television programs; a plurality of sending tasks of frame data are created in the system according to the system configuration, and each task is provided with a single program marking field, and each field is respectively corresponding to a queue of frame data, and the sending tasks choose whether to take and package frame data from the MPEG 2 frame queues into RTP message according to marking positions, and after the operation of frame taking is finished, the sending tasks adopt protocols of IPv4 and IPv6 for transmission with modes of single and group playing. The invention changes the transmission way of single program streams with a single mode with the traditional method and adopts more flexible program reuse way, which realizes the way of arbitrarily combining program streams in RTP conversations and enables encapsulation protocols and transmission modes to be richer.

Description

technical field [0001] The invention relates to an Internet-based transmission method of multi-channel concurrent network TV video streams. Background technique [0002] In the current Internet TV (IPTV) playback system, it is often necessary to provide processing capabilities for dozens or even hundreds of sets of digital TV programs, so the system faces how to reasonably schedule multimedia processing tasks, where multimedia processing tasks include program information extraction, encoding, A series of operations such as protocol encapsulation and data transmission. The traditional solution is to establish an independent processing task for each set of TV programs. This task can only select a specific set of digital TV interface when extracting program information, and only select IPv4 or IPv6 protocol when encapsulating the protocol. broadcast or multicast. [0003] Traditional solutions conform to the usual logic, are simple in structure and well organized. It is more...

AI Technical Summary

Problems solved by technology

However, if the original transmission method is still used, the number of tasks on the playback system platform or the number of playback systems will be too large, which will consume a large amount of system resources unreasonably

[0005] In addition, regardless of multicast or unicast mode, each digital TV signal needs to occupy a Real-time Transport Protocol (RTP) session, which will not only increase the processing burden of the core router of the backbone network, but also increase the number of concurrent reception of multiple TV signals. The burden of the client terminal

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