[Solved] Sub-stream fails yet main stream works - how to fix

saltwater

Getting comfortable
Oct 6, 2019
503
643
Melbourne, Australia
Camera: Dahua DH-IPC-HDW4831EMP-ASE 2.8mm

I can get the main stream to work in Blue Iris but every time I select the sub-stream the video feed fails. On configuring this camera, under Dahua, the model number does not appear. I ended up selecting Genera/ONVIF as the camera model and it picks up the main stream. How can I get the sub-stream to work? The below image is my settings image of this camera. It works without the sub-stream.

2020-12-12-10-CameraVideoSetting.PNG


The following screenshot is with the sub-stream selected, this doesn't work.
2020-12-12-20-CameraVideoSetting.PNG
 
1 also works for me. check web browser ip address of cam and see to it that the substream is enabled.
 
screen shots of the stream configurations from the camera. Not BI.

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Private ip addresses. Local IP addresses. These addresses are NOT used by the internet. They are for your local home/business network.
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255

Note there is no reason to redact local ip addresses when posting.
 
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screen shots of the stream configurations from the camera. Not BI.

=========================================================
Private ip addresses. Local IP addresses. These addresses are NOT used by the internet. They are for your local home/business network.
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255

Note there is no reason to redact local ip addresses when posting.

Yes, I understand that, and yes, I did redact the IP address.
 
In the drop down list do you not get the option for substream 1?
Not for sub-stream 1, here's a screenshot:

2020-12-13-DropDown.PNG

Where you see 'subtype=1' that is what I manually changed as per advice in above comments. At the web-interface for the camera I have enabled substream 1. There is reference to a substream 2 but at the camera web-interface that doesn't work, an error message claims not enough resources.
 
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That is strange, I’d report it to BI support with maybe the output of the results of the find/inspect on the cam, hopefully Ken can use the output to maybe work out a fix?