for reading a video in

[Altera_Forum]

Iam using FPGA for video processing. I need to read from memory,while write to a memory ,simultaneously in my applications.i am using the DE control signal for the same.But for the first time when the video comes in I can write ,but when Iam reading I get junk data obviously.How can Ideal with it.

[Altera_Forum]

Add a valid qualifier to the video output portion of your reader. Mark the frame data as invalid until the first frame is written.

[Altera_Forum]

--- Quote Start ---  Add a valid qualifier to the video output portion of your reader. Mark the frame data as invalid until the first frame is written.  --- Quote End ---     Thanku Ted.What about using the EOL(end of line) as the qualifier.