Based On The Linux System Media System

Streaming Media is one kind of emerging network transmission technology, the real-time smooth transmission and the broadcast regards / the audio frequency on the Internet and so on the multimedia content continual time base data stream. The Internet swift and violent development and the popularization for flowed the media service development provides the formidable market power, flowed the media service varies directly day by day popularly, therefore the convection media system demand day by day increased, this article mainly elaborated based on the Linux system one general class media system design and the realization."Based on the Linux system class media system" by the frame processing subsystem, the agreement processing subsystem and the management subsystem three parts is composed. The frame subsystem is the entire system core, the main realization includes the system frame the overall realization, manages the subsystem the connection, the agreement processing connection and unification file and the socket processing connection;The agreement processing subsystem is flows media transmission agreement processing the concrete realization, various agreements alone complete, simultaneously when increases new agreement processing in the frame subsystem, frame needs not to revise, then must complete correlation agreement processing may hen;Manages the subsystem is grasps the entire system, mainly includes the content management, using the management, the diary management and the monitoring warning manages.This system mainly aims at the user the concrete need, based on main agreement processing, realized to the main document form selection and broadcast, the direct seeding, the proxy and the advertisement emergency broadcast. The main support class service type includes: WMS (Windows Media Streaming) type service. Includes the MMS Protocol, the RTSP Protocol, the HTTP Protocol;Real the Media type service, includes RTSP, the HTTP agreement;ISO the MPEG4 type service, completely supports the RTSP agreement. Main support document form: WMT, ASF, RM, MP4 and MOV.As the real-time exchange system, the security performance and the communication performance of system are a pair of contradictions, how to reach the best combinationof security and communication performance has been the important problem in the systematic design all the time. From enhances the system communication performance the angle embarks, in does not reduce the stable line and security performance of system, this article convection media system performance optimization plan made some beneficial discussions and the attempt, and obtained the certain effect, caused to flow the media system adapts to the complex environment actual application.