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Altera_Forum
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14 years ago

flicker in CVO -> CVI -> MIXER -> CVO to output screen

hi, In my VIP chain I'm mixing two video streams (one 800x600 and one 640x480) and then clocking out the mixer output to screen. The two streams going into the mixer are setup such that...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

hi,

and thank you for your replies.

Kevin, the reason that I'm using "cvo -> custom_ip -> cvi" is that the cvo provides the sync signals on separate wires to the custom_ip. The custom_ip is also using separate sync signals.

Are you saying that I would'nt need tripple buffering infront of the mixer_din_2 if the "cvo -> custom_ip -> cvi" part is replaced with an custom VIP component using embedded sync signals ?

Regarding the clocking and flickering issue I was getting, I placed a tripple buffer infront of the mixer_din_2, as vgs suggested, and it worked out as the flickering on the screen dissappeared.

regards saber890