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Altera_Forum
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14 years ago

VIP Alpha Blending Mixer Problem

I'm trying to use the Alpha Blending Mixer. Layer 0 is a plain black background supplied by a TPG. Layers 1 and 2 are video and text overlay (respectively), with a smaller frame size than the backgro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Hello Joe,

It is not so clear what else the design contains? Like if you have a triple frame buffer after the video source or before the clocked video output?

My first advice is to replace the video source with additional TG configured to supply color bars.

This will simplify the design since 2 x TG + text overly (is it from Frame Reader?) inputs are all flexible and can send data when needed to the Alpha blending mixer.

Let us see how this works?

BR,