Abstract
For the current demand for live broadcast and live video in colleges and universities, relying on the advantages of campus network, this paper designed and implemented a video live broadcast and video on-demand system suitable for colleges and universities. The system used the streaming media server built by the open source Nginx to capture high-definition video streams output by cameras, etc. through the RTMP protocol, and can provide video live broadcast and video on-demand services using multiple carrier lines. Video live broadcast used the open source Flash player JW Player, stored video in high-performance HDFS distributed storage at a certain time interval and format by a storage algorithm, and supported on-demand playback of MP4 format video stored in HDFS. The paper tests the various functional modules of the system and the overall performance of the system to verify the effectiveness of the system. The system is currently deployed in the campus network of Xi’an Jiaotong University, providing normal recording and broadcasting of video of 293 intelligent classrooms in Xi’an Jiaotong University, video on-demand for after-school courses, video live broadcast and video on-demand for various large-scale events held on campus.
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