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Altera_Forum's avatar
Altera_Forum
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16 years ago

scaler problem

Hi, I have another problem about scaler, it's right that adding a control port to scaler makes the input resolution changable, but some resolution doesn't work. My data path is listed below. Clo...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Hi,

As pointed out by Sean, the cvi->scaler->vfb->cvo designs may not work because the cvi is overflowing. You can try moving the vfb before the scaler or increase the number of lines of buffering in the cvi.

I still have no idea why the tpg->scaler->vfb->cvo design stops working when adding the scaler. Did you use 1080p or 800x600 in the tpg->vfb->cvo design that works? Please try it with 1080p if you did not already.