基于Raspberry Pi的实时流媒体直播系统设计  

The Design of Real-Time Streaming Media Live Broadcast System Based on Raspberry Pi

作　　者：王灵芝 陈颖频 王朝慧 陈士豪 WANG Lingzhi;Chen Yingping;Wang Chaohui;Chen Shihao(Department of Artificial Intelligence,Xiamen City University,Xiamen Fujian 361008,China;School of Physics and Information Engineering,Minnan Normal University,Zhangzhou Fujian 363000,China)

机构地区：[1]厦门城市职业学院人工智能学院,福建厦门361008 [2]闽南师范大学物理与信息工程学院,福建漳州363000

出　　处：《曲靖师范学院学报》2024年第3期78-84,共7页Journal of Qujing Normal University

基　　金：福建省自然科学基金项目“面向脑磁共振影像分割的多分辨率驱动下跨域聚类模型研究”(2020J0816);厦门城市职业学院高层次人才科研启动金(G3R2022-9).

摘　　要：在“全民直播、万物皆可播”时代背景下,阐述了一种实时流媒体直播系统的设计过程.系统以Raspberry Pi 4B作为主控,搭载Linux操作系统.系统由视频采集端、流媒体服务器端、客户端三部分组成.视频采集端实时获取摄像头视频数据,利用FFmpeg协议对视频流封包并推送到流媒体服务器.服务端运行SRS流媒体服务器,提供视频存储、推送与软件更新服务.客户端支持视频流拉取、直播、片段回放功能.系统采用QT配合触摸屏设计人机交互界面,可远程进行软件更新.本系统具有成本低、部署便捷、延迟短等优点,经测试系统的整体延时小于200 ms.In the era of live streaming for all,everything can be broadcasted.This paper elucidates the design process of a real-time streaming media system employing Raspberry Pi 4B as its central controller,running on a Linux operating system.It comprises video capture terminal,streaming media server,and client end.The video capture terminal acquires camera video data in real time,encapsulates the video stream using FFmpeg protocol,and pushes it to the cloud streaming media server.The server operates SRS streaming media server that providing services such as video storage,push services,and software updates.The client supports functionalities such as video stream retrieval,live broadcasting,and segmented playback.The system adopts QT to design the human-computer interaction interface with touch screen.It also enhances remote software updates capability.This cost-effective system offers convenient deployment with minimal latency,achieving an overall test system delay of less than 200 ms.

关 键 词：流媒体直播系统 Raspberry Pi FFMPEG SRS流媒体服务器 QT 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]