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Altera_Forum
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16 years ago

VIP Control is Mutilating my Image!!!

Hello All, I have an interesting problem. I've managed to put together a video processing path: cvi->scaler->frame buf->cvo Which works reasonably well scaling SXGA to SVGA for displa...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Does the frame buffer organise the memory writes/reads efficiently? If my pixels were 15 bits wide, (5bits per colour) would it write 4 pixels at a time with a local interface of 64 bits? Or will it write one pixel at at time, only using the LS 15 bits and padding the remaining MS bits with 0s?

If the former, then there may be a case for me using a half rate?

Thanks for running my design, my gratitude is endless!!