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Altera_Forum
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16 years ago

Buffer Overflow and Underflow in Clocked Video Input/Output

Hi I am designing a video system to buffer three HD 1080p video stream. The input is in RGB 4:4:4 format at 148.5MHz. Output is also the same. I am using Quartus 9.0 SP1. The system for ...
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Altera_Forum
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16 years ago

> I have set FIFO size in CVO to be 4096 pixels.

You should set "FIFO level at which to start output" to something close to that value (for instance 4000 or more). Throughput "burstiness" may cause underflow.