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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

Hello again,

I noticed from your screenshots that you seem to be running the Video IP cores at the same clock rate as the input and/or output clock rates? This is fine most of the time because of the blanking periods in video streams. Nevertheless, it could help to run the Video IP datapath slightly faster to smooth the throughput. If you have a 50MHz clock available you could try to use it.