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针对目前流媒体中视频数据发送速度难以控制的问题,以当前广泛使用的MPEG2视频解码模型为例,设计并实现了一种Linux下视频流多播速率控制方法。这种方法能够有效的控制服务器视频数据的发送速率,具有占用服务器资源少,适应各种网络要求的优点。经Linux平台验证结果表明,传送视频数据的网络速度平稳,未出现视频数据溢出现象,可以得到良好的视频效果,具有很好的实用价值。
Aiming at the problem that the sending speed of video data in the streaming media is hard to control, taking the currently widely used MPEG2 video decoding model as an example, a multicast rate control method for video streaming in Linux is designed and implemented. This method can effectively control the server video data transmission rate, with less server resources, to adapt to the requirements of various networks. The verification result of Linux platform shows that the network speed of transmitting video data is stable and there is no video data overflow phenomenon, and good video effect can be obtained, which has good practical value.