Operation method for memory sharing media server and functional module construction
A streaming media server and shared memory technology, applied in electrical components, transmission systems, etc., can solve the problems of reducing network transmission system throughput and streaming media transmission efficiency, low CPU effective utilization, and increasing operating costs. The effect of switching and data copy times, improving effective utilization, and low operating costs
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[0038] Taking the hardware configuration: CPU: Pentium III, 799.786MHz; memory: 256M bytes; hard disk: 20G, 5400 rpm, running the streaming media server of the present invention on a PC with Linux operating system as an example:
[0039] A. Establish shared memory: First, the RTP subsystem in the kernel mode applies for allocation of a piece of memory, then initializes the memory according to the set data structure, and stores its starting physical address in a kernel global variable; the RTSP subsystem passes the system Call to obtain the starting physical address of the shared memory, and then map this memory to its own address space; at this time, both the RTP subsystem and the RTSP subsystem can share the memory across the kernel mode and the user mode;
[0040] B. The operating method is:
[0041] Now take the complete customer service process as an example: Receiving customer request 1.0 and processing request and sending response 1.1 are the same as the process corresponding t...
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