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OALib Journal期刊
ISSN: 2333-9721
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QoS mapping based on MPEG-4 video streams
基于MPEG-4视频流的QoS映射研究

Keywords: MPEG-4,XVID
QoS映射
,实时传输协议

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Abstract:

The mapping of Quality of Service(QoS) for MPEG-4 video streams was presented based on XVID MPEG-4 codec and RTP(Real-time Transport Protocal). First,the characteristics of MPEG-4 video streams, codec and layered management of QoS was analyzed. Then,a logical structure of QoS management based on RTP and QoS parameters of MPEG-4 video streams in application layer and system layer were presented. The QoS mapping algorithm and calculating formulas from application layer to system layer were put forward. Finally, results of simulation experiments reveal that the proposed mapping algorithms and formulas can meet QoS of MPEG-4 video streams.

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