Streaming end, server end, player end

A typical live broadcast framework usually includes three parts , As shown in the figure below ：

1、 Pushing end ： Responsible for the collection of audio and video data 、 Handle 、 After coding and packaging, push the data to the source station ;

2、 Server side ： Covering origin and CDN, Receive audio and video data from the streaming end , Then distribute the data to each player （ Including access to different devices 、 Access to different storage devices , Flow control , transcoding 、 Turn to encapsulate 、 Different protocol gateways, etc ）（ Media service type ：① Device access framework dac、 on demand vod、 Networking gateway ncg、 Media gateway mgc）;

3、 Play end ： from CDN Pull live data , Demultiplexing 、 Render audio and video data after decoding ;

chart 1. Frame diagram of live broadcast

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