Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Clocked Video Input overflows

It is time to tie my Clocked_Video_Input with my Clocked_Video_Output and just pass an image in and out but, lo and behold, I get an overflow on the CVInput. I have a conceptual block here. I a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

You can certainly use the recovered clock from your video input to clock your output if you have it available. The flow control will not affect the frame rate as long as you don't overflow. In this case your output is synchronous to your input. If this is what you want to do then by all means do it.

If you are going to handle asynchronous video, then yes I would recommend enabling both frame dropping and repeating (as you don't know if the input is faster or slower than the output).