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

for reading a video in

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.

2 Replies

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    12 years ago

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

    --- 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.