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ADV7280M video scrolls vertically when re-connect camera

Question asked by Stone123 on Jul 27, 2018
Latest reply on Jul 30, 2018 by PoornimaSubramani

Hi,

 

I am using ADV7280M(ADV7280BCPZ-M) with iMX6. The video works fine. However, while video is streaming, after I disconnect camera, and then re-connect the camera again, the video slowly scrolls vertically and locks after a full image is displayed - and the video is normal since after.

 

Why does the video scroll before sync lock?

 

We also have seen a case (hard to reproduce) that video does not get locked at all but keeps scrolling vertically. When this issue happens, the video scrolls much faster, and also there are some horizontal offset - like the image is moved to right and the parts that are off the screen are put on the left.

 

What would be the reason? Any help would be appreciated.

 

Thanks,

Yan

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