Chasing Linux Jitter Sources for Uncompressed Video

Abstract : Beyond the transport of uncompressed video over IP networks, defined in standards such as ST2022-6, the ability to build software-based Video Processing Functions (VPF) on commodity hardware and using general purpose Operating Systems is the next logical step in the evolution of the media industry towards an "all-IP" world. In that context, understanding the jitter induced on an ST2022-6 stream by a commodity platform is essential. This paper describes a general methodology to enumerate jitter sources on commodity platforms and to quantify their relative contribution to the overall system jitter. The methodology is applied to the Linux kernel, producing a classification of the different sources of jitter, and a quantification of their impact.
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Arthur Toussaint, Mohammed Hawari, Thomas Heide Clausen. Chasing Linux Jitter Sources for Uncompressed Video. 14th International Conference on Network and Service Management (CNSM), IEEE, Nov 2018, Rome, Italy. ⟨hal-02263380⟩

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