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Altera_Forum
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14 years ago

VIP suite - how can I make my Y channel into 3xY in parallel in SOPC ?

hi, In my design I want to mix two streams with the alpha blending mixer. One stream, the background layer is 800x600 represented in RGB, three color planes in parallel. The oth...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

hi again,

I'm clocking the camera stream into the SOPC system with a 27MHz clock while the system itself is using a 40MHz clock for the VIP chain,

so I probable wont be able to solve this using your initial suggestion of triplication.

Also, woudn't I have to change the control data packet information if I was to change the width of the VIP frame from 640 pixels to 640 X 3 pixels inorder to get the Y_10, Y_10, Y_10, Y_11, Y_11, Y_11..sequence ?

I'm not sure if this is the right solution, but what would happen if I create a custom module that receives the camera stream from a source(deinterlacer) and place the 8bit Y values in a 24 bit signal(23..16)(15..8)(7..0) which is then streamed along with the valid, sop, eop signals to the alpha blending mixer (sink) ? Would this create an missmatch in the control data packet ?