Add text and squares to loop through

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michaelukw

  • Posts: 9
  • Joined: Tue Aug 11, 2020 12:01 pm
  • Real Name: Michael Banck

Add text and squares to loop through

PostWed Nov 10, 2021 7:13 pm

Hello community,
I cannot find information for my problem, I might use the wrong wording to find this on google or here.
Some of the blackmagic/decklink grabber cards offer the possibility of looping the input signal to an output. So SDI is capture on the card and the same signal is outputted on another SDI connector of the card (OR HDMI).
Is their a way to manipulate the output frames?
So lets say there is a car on one of the frames, an AI detects this car and I can "paint" a square around the car in a real-time manner. (The AI will take 20 ms, so I would add this square just to the next frame and so on...).
Currently I output everything over the GPU, but there is only HDMI/DVI/DP available, and converters did not do a good job so far, since some of the monitors in this project are 4:3
Is there any way to do something like that, with your grabber cards?
BR

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