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Altera_Forum's avatar
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 ...
Altera_Forum's avatar
Altera_Forum
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16 years ago

Just one more question.

I look at the an427 provided by altera, but I want to make a system a little different (as I've said in lots of other threads).

In order to use rescalers or clippers instead of buffered deiterlacers, wich shuold be a "fast enough" clock for the video system?

using a 100 MHz clock, i still have overflow in video input, no matter of how deep I set the DVI FIFO...