23 Nov 16 11:18, you wrote to all:
un> I want a box with an on-off switch, a knob, and video-in and
un> video-out. The knob controls a delay in the video - max two minutes
un> would do (sport analysis).
un> I can do soldering and arduino stuff.
What you are after is a video delayline.. These are, err... were common on Time
Base Correctors (TBC)'s in the analog days of video.
At what resolution??? 720p? 1080p?
The audio sync is not important? or you want to delay it as well?
I am just guessing, but even with a Pi3 maxed out on CPU Freq. might not be up
to the task, espeically at 1080p. And 720p might be pushing it..
Maybe do the delay OUTSIDE the Pi... with some of these:
Then recombine all the stuff to your desired format for "broadcast/delivery."
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