The number of client requests that a streaming server can handle is limited by both its computational resources and available bandwidth. While bandwidth capacity is critical for most streaming applications, computational resources for a server encoding live videos often become a critical factor as well. In order to serve more client requests or provide higher quality for high priority clients, it is desirable to allocate and adjust the computational resources on a per channel basis. In this paper, we proposed a complexity-aware live video streaming server system that manages the computational resources dynamically. In the proposed system, input videos are encoded with different quality levels based on their priorities and available computational resources. The computational resources for each encoder are adaptively allocated to match the time constraints. The seven quality levels defined in the XviD MPEG-4 encoder are used in our experiments. The results show that the new design is able to maximize the resource utilization by maintaining the highest priority channels quality while providing the other channels with best-effort quality.


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    Title :

    Complexity-aware live streaming system


    Contributors:
    Meng-Ting Lu, (author) / Chang-Kuan Lin, (author) / Yao, J. (author) / Chen, H. (author)


    Publication date :

    2005-01-01


    Size :

    245001 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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