H.264 Camera Distortion Periodically

Forum for questions and support relating to the 1.25.x releases only.
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Joined: Mon Nov 01, 2010 7:10 am

H.264 Camera Distortion Periodically

Post by joako » Thu Oct 10, 2013 6:36 am

I have setup a generic IP camera that seems to work OK. However in Zoneminder I am forced to use the source type Ffmpeg because that camera sends non-hexadecimal characters in the RTSP session ID and Zoneminder only expects hexidecimal in that field, so I do not have the setting Source: Remote + RTSP to compare with.

When I use the Ffmpeg source the image sometimes is OK but sometimes it is not and half of the image is distorted badly. How can I resolve this? The camera always views OK through its web-interface. I have attached and example frame. This will go on continuously for minutes.
100-capture.jpg (65.45 KiB) Viewed 2453 times

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Joined: Fri Oct 11, 2013 11:51 am

Re: H.264 Camera Distortion Periodically

Post by Ehover_India » Tue Oct 15, 2013 6:52 am


till now no problem all good
I have enabled authentication in zoneminder and restarted

Now I am also facing same problem

I use very less resolution (320x240) and whole image gets distortion

please give any suggestion.....

Posts: 3
Joined: Tue Oct 15, 2013 7:33 am

Re: H.264 Camera Distortion Periodically

Post by stenny73 » Tue Oct 15, 2013 7:42 am


i have this Problem on wansview when i Insert in Maximum FPS or Alarm Maximum FPS any fps.

do insert nothing in Maximum FPS or Alarm Maximum FPS

(sorry for my english)


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Joined: Mon Mar 26, 2012 11:40 am
Location: Pennsylvania

Re: H.264 Camera Distortion Periodically

Post by bbunge » Tue Oct 22, 2013 11:03 pm

Here are my comments from the ZM 1.26.4 area:

I had this same issue with ZM 1.25.0 and my recent upgrade to 1.26.4. Running Ubuntu 12.04 LTS. I actually rebuilt the server with a fresh Ubuntu 12.04 Server, X264 and ZM 1.26.4 from the Launchpad repository (see my how to in the Ubuntu specific area of the WIKI). I have 11 Linksys IP cameras, 1 Vivotek IP camera, and 1 Logitech USB camera on a Core 2 Duo, 2.66 MHZ with 8 GIG RAM. The Vivotek was running on FFMPEG H.264 stream and recording smeared images every two minutes or so.
Earlier tonight I switched the Source to Remote
Remote Protocol: RTSP
Remote Method: RTP/RTSP
Remote Host Name: IP of camera
Remote Host Port: 554
Remote Host Path: set to the H.264 camera stream setting

Happy to report it has been over two hours with no smeared images! Only things that move get recorded.


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