Cameras flipping to MJPG from H.265 on occasion?
Answered
Ahoy all,
I've seen several instances now where the 2ndary stream seems to flip from a set H.265 encoding to MJPG for some reason. This is on 3 different systems in 2 locations.
I have also seen the primary stream flip on a couple cameras, but less frequently.
When it happens on the 2ndary stream, I will sometimes see a green image where video should be in the frame as an indicator something has happend.
There are about 100 cameras or so on the systems I have seen the issue happen the most.
Uniview cameras and Hikvision cameras are what seem to have been impacted.
The NVR software is set to optimize cameras.
The software still shows H.265 in the settings for the camera, but the info on the screen will show MJPG.
If I go into each camera and set to H.264, then back to H.265 it resolves the issue at least temporarily.
Curious if you are aware of any issues related to this. I thought it was an issue with Uniview at first, but now have seen it on a system with Hikvision cameras as well.
v4.2.0.32842
Any feedback is helpful.
My fallback will be to disable camera optimization to see if the issue does not re-surface, but wanted to feel around here first for any feedback.
Thanks for any thoughts.
Matt
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Hi Matt Barber,
It is hard to tell the reason by the information you posted, please follow the below instructions and provide the related information for us:
1. Camera firmware version
Your Nx Server is running on the latest firmware, it is also important and helpful to make sure the camera is running on the latest firmware.2. Screenshot or screen recording of the issue
Please provide the screenshot or screen recording of the issue, it will be nice to include the green image you mentioned as well.
For screen recording, please refer to our user manual: Working with Nx Witness > Screen Recording for further information.3. Disable the optimization
Like your plan, please disable the optimization for the camera, then set the camera to stream H265 on the setting page of the camera. And see whether the secondary stream changes to MJPG again.
Please note that you can disable the optimization on the individual camera by opening Camera Settings and go to Expert tab, check the Keep camera stream and profile settings.
4. Provide the RTSP and HTTP port forward
We would like to investigate the issue by direct accessing your camera from our local Nx Server.
If you agree to provide direct access for us, I will convert this post into our ticket system for you to provide sensitive information.Thank you.
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Hi Matt Barber,
Just checking in to make sure you received our response as it has been a while since we have heard from you. Please let us know if you still need help by responding to this post. We are eager to resolve your question as soon as possible.
Thank you.0 -
Thank you for the reply and feedback/request for more information.
On the systems that were exhibiting this issue, I disabled camera optimization and all of the problems have been silent for a couple of weeks.
This isn't a system or group of systems that I feel comfortable turning into a test bed for troubleshooting unfortunately. There is too much potential business tied to this customer to risk upset.
I won't be able to forward ports at this site as part of that concern.
I would like to find a way to replicate the issue on a system that would allow for easier access/troubleshooting.
My apologies I can't provide more info on the issue.
I might be able to provide a matching camera model for testing.
UNV is a platform we have been happy with, but are running into some occasional issues with optimization it appears.
Camera FW is latest available via download from UNV.
In my playing around.... I found that the camera image in Witness would change to 4:3 or square when the primary stream got flipped to MJPG. If 2ndary stream flipped.. the only way to know was to see network use go up, and to turn on info on image to see specs/encoding information.
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Hi Matt Barber,
In order to have proper understanding of the issue, is it possible to share a high quality screen recording?
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Try editing the Profile One on your camera to an H.265 Stream, you probably don’t need the MJPEG. Also, your going to 4:3 because profile 1 on the camera typically is MJPEG, 4:3, 480x360, so the swap from 16:9 to 4:3 is expected because if you take a look at your camera settings, 1st page, drop down, and you should see the RTSP streams that it’s using. My guess is your going to see the H.265 profile 2 or 3 (stream2 or 3) listed as Primary Stream and Stream1/ as your secondary stream. Stream1/ is almost always MJPEG and so from there you could disable secondary stream in Expert Tab forcing motion detection over primary stream. Or Just Record Always using your primary stream.
Otherwise, you need to edit the camera profiles that are showing in Nx Camera Settings and turn off optimization, change to record only. This is short version details, but hopefully it’s helpful
0 -
Hi Matt Barber,
Just checking in to make sure you received our response as it has been a while since we have heard from you. Please let us know if you still need help by responding to this post. We are eager to resolve your question as soon as possible.
Thank you.0
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