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I bought a couple of those 'cheap' IPC-HDW4431C-A-v2 cameras and they're working great with my Dahua NVR5216-4KS2 so far. I don't have strict requirements regarding low light so those cameras are good enough for me.

Yeah i also did that. I can confirm that it's not http. It's raw TCP with some crippled authentication routines. In the end for me it was much simpler to write a little console prorgram to trigger the NetAlarm. That sounds interesting. I did some reverse engineering on an I/O module for the...

You can use this for downloading a certain part of the recording from a NVR: Syntax: http://<server>/cgi-bin/loadfile.cgi?action=startLoad&channel=<ChannelNo>&startTime=<starttime>&endTime=<endtime>[&subtype=<typeNo>] Example...

I've been there ;-) Check that out: GitHub - hdo/netalarm: Simple program which triggers Net Alarm on a Dahua NVR How does 'Net Alarm' and/or 'Alarm Centre/Server' work? [SOLVED] Note: You can only trigger NetAlarm if your NVR have physical alarm inputs BTW: AlarmServer is pretty much the...

Thanks for the hint! The Amcrest API is working like a charm. I'm using a http call to download certain parts of a recording and it's working great.

Maybe this is what you're looking for? http://icanhaz.org/DAHUA/OFFICIAL/NVR/NVR5XXX-4K/DH/1704/DH_NVR5XXX-4K_Eng_V3.210.0003.0.R.20170418.bin

Great! Thanks for the answers. FFMPEG and cURL then :-)

Thanks. What i was refering to was how you manage to create the Youtube Live Stream out of the camera :) I also noticed that you managed to add statistics to the stream (POS feature?).

@Skipper-93 That's cool! Can you give us a short explanation how you actually did that?

I can confirm that missing frames/gaps also happens with Net Alarms (even local alarm?). However i think the files are ok though. Tested on NVR5216-4KS2 without IVS but MD enabled, played back directly on the device.

I finally received my NVR5216-4KS2. Big thanks to Andy and his shop for the great service. This was the fastest shipment i ever experienced (just 7 days to Germany). The device is great and it works much much better than surveillance station on my Synology NAS. I had some time with this and did...

I found some references regarding 'Net Alarm' in their SDK documentation but there is no dedicated example for that. However i also found some hints about 'Alarm Centre'. Usually a client has to subscribe to the IPC/NVR to get notification about alarm and motion events. I did that back for my...

@nayr This post has been a while but can you kindly give me a hint where to find this in the API? I have not been able to find the section where you actually can trigger an alarm input via the API. Thank you.

Hi all, Does anybody know how to use the 'Net Alarm' feature of Dahua NVR? As far as i understand with this you can configure alarm actions triggered by an event on the network. I'm asking this because maybe it's possible to integrate a Dahua NVR with my home automating system where several...