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Genlock video display from external clock on imx6q / wandboard?

Question asked by Josh Kurland on Nov 13, 2013
Latest reply on Nov 26, 2013 by gusarambula

Hi,

 

Does anyone know if an external clock source can be used to genlock the video display engine?  I need to be able to know precisely when the first pixel of the first frame of a video appears.  This would be a hardware-only implementation.  My goal would be to synchronize the display clock (vpu clock?) with an fpga so that I can switch video input sources.  That way when the fpga and the imx6 are in genlock, I can perform the switching cleanly.  I haven't seen anything like this in the forums so far, I really just need to know if it is possible.


Thank you,

Josh Kurland

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