| 摘要 |
A novel architecture for implementing video processing features a data bus and a control bus. In an embodiment, data transfers between processing modules can take place over the data bus as mediated by a programmable memory copy controller, or through local connections, freeing up the control bus for instructions provided by a processor. A video decoder may be implemented in a system on chip with instructions provided by an off-chip processor. A semaphore or semaphore array mechanism may be used to mediate traffic between the various modules.
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