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Three main roots devalue the performance of the multicore video decoder: data dependency, imbalanced workload, and resource contention. This paper strategically employs one frame partition and group of macroblock row (GMR) partitions, with different GMR sizes, for a dual core MPEG-2 decoder to reduce or remove the effect of data dependency and also to analyze how much deterioration those roots cause...
Two of the most popular video coding standards, MEPG-2 and H.264, are realized on PAC Duo platform, a heterogeneous multi-core SoC containing one ARM core and two PACDSP's (Parallel Architecture Core DSP). In addition to the optimization of the video software codes, in order to fit to the architecture of PACDSP, the inter-core synchronization required by the dual core implementation must be added...
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