distorted video

I have an older HikVision DS-2CD2132F-IS 2.8mm that I mounted to check on angles, video, etc. When I looked at the recording, it was completely wrong, i.e. there was an upper and a lower part. Also the upper part is completely distorted which you can also seen from the timestamp in the video...

I have a Hikvision DS-2CD2032-I camera on my front porch. Firmware is V5.1.6 build 140412. Under Configuration/Video/Audio there are three options for Resolution: 1280*720P ; 1920*1080P and 2048*1536. To maintain consistent frame rate of 15FPS I have to set the resolution to the lowest...

I'm running BI4 as a service with 2 Trivision NC336 IP cams and 2 LevelOne PTZ IP cams. All worked fine until the morning of Oct 19, 2015. Since then the two LevelOne cameras both still work fine, but both Trivision cameras have really weird video distortion only with Blue Iris. They both work...