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Altera_Forum's avatar
Altera_Forum
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14 years ago

VIP Frame buffer not reading

Hi, We are currently investigating an issue where our VIP frame buffer is not issuing any reads on the Master read port. We have a Frame buffer configured to drop/duplicate and drop erro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hi,

What happens if you uncheck the tick box to drop errored frames? If the read side works consistently after such a change but you cannot get a proper video output from your system then it probably means that the frame buffer is receiving invalid control packets and/or image packets with incorrect size.

There could be a configuration issue with one of the core upstream. Also, check for overflow at the input if you are using the VIP Clocked Video Input.

vgs