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The system for
single HD stream consists of CVI, Frame Buffer and CVO block. Three such blocks are
cascaded serially.
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Are you attempting to do three 1080p frame buffers at the same time? This would require a lot of memory bandwidth.
Assuming standard 1920x1080p60, the total horizontal width is 2200. This means you need to maintain a rate of 1920/2200*148.5=129.6 Megapixels/second in and out of the memory for each frame buffer. If you have three frame buffers, this is a total of 777.6 Megapixels/second.
How many bits per pixel are you doing? How wide is your memory bus? Is anything else using the memory?
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