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Altera_Forum's avatar
Altera_Forum
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15 years ago

Freeze frame with frame buffer

Hi, I'm using frame buffer to freeze, that is clearing the GO bit of the writer of frame buffer, and it turned out clean, and I released the freeze(setting the GO bit), the screen returned to nor...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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Hi,

Make sure you tick the check box "discard invalid frames/fields" in the vfb.

Otherwise, the incomplete frame stuck between the CVI and the VFB during the freeze will be propagated when you restart the frame buffer and the output will glitch.

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Hi, vgs

Thx for your reply. Yes, I have ticked the check box "discard invalid frames/fileds" in the vfb. But it still flickered. I am out right now, I will upload some snaps of my configuration later. Thx again for help.