Version 3 released for testing - https://www.bluecherrydvr.com/version-3-now-available-for-testing/ / Don't forget to Donate - https://www.bluecherrydvr.com/donations/community-edition/
ipccam in onvif rtsp 584 port. It works in vlc
not a standard port
Can you add it manually?
@curtishall this article -> https://www.muo.com/tag/awesome-diy-security-camera-clients-linux/ and somewhat reinforced by "order" links at https://www.bluecherrydvr.com/bluecherry-network-video-recorders-nvr/ failing with "too many redirections" ...
@dorn I see
Intel Atom processor E3940 with an 8 camera support license
kylemallory @kylemallory hangs with anticipation... ;-)
@kylemallory basicallly...................Experimental:
Frame downscale factor - Each video frame is downscaled by this factor before applying motion detection algorithms, this saves CPU usage as processing full-sized frames take more CPU time.
However when using a smaller (downscaled) video frame small amounts of motion could be missed. Minimum percent - Amount (in percentage) of the video frame covered by moving object before a motion event is considered good.
there isn't a way to see what causes a motion event, so it's alot of trial and error
obviously, contextually, the more sensitivity the more easily triggered.. but I'm curious what technique is being used to reduce or increase that sensitivity? is this pixel bluring? frame blending? is it looking at the h264/265 motion vectors, etc?
Thanks @curtishall I did look through the code, but didn't find what I was hoping to (though I'm not sure I looked at that source file). I'll go back through it and see what I can find. I saw a few things that suggested it was doing some kind of temporal analysis (buffer of motion-detected frames) but I couldn't wasn't able to determine what its size was, or if it was configurable, etc.
In my settings, I'm finding that if I put sensitivity too low, I don't get any triggers, but when I do start triggering recordings, I'm triggering on one-or-two frame events, like bugs flying in front of the camera. So, I'm hoping understanding these settings will give me a clue about how to prioritize which ones to change.
Will do. I'm not so good on the web-side, but I'll definitely play around with some code, and see what I can manage to make happen (and hopefully not break things). Speaking of contributing though.. If you guys need any help on the Android app, please let me know (that's the majority of my dev experience). I'd love to see it run on Android TV, and can assist with that.
@curtishall I've been able to make some headway with a couple of improvements (I think) to the OpenCV motion detect algo, as well as adding a new algo that does some inter-frame detection. I'm still playing with the new algo a bit, as I want to include a couple of additional parameters. On the subject of parameters, I'm hoping you can give me a brief rundown on what all components need touching, in order to completely integrate a new feature. I did notice that the web interface appears to modify the database directly, and then bc-server seems to subscribe to database changes to know when a parameter has been changed. Can you help me understand how this mechanism works, and what the best-practices are for introducing new features/parameters to the server are? For example, I know I'll need to add new columns or tables to the database to support my parameters. Is there a preferred approach (columns vs tables)? How are these changes migrated into the schema? Do these require waiting for the next major release?
@kylemallory database changes are added during releases - https://github.com/bluecherrydvr/bluecherry-apps/tree/master/misc/sql/mysql-upgrade
I'll find out from Anton about the table vs column question
but yes, the server subscribes to changes in the database and applies them automatically
Cool. Thanks. I see in bc-thread there is a bc_record/bc_device_config struct that appears to hold these parameters,. So, I need to match bc_device_config to the database (or possible a new struct for a new table?), and then it looks like
apply_device_cfg() takes the database parameters and calls the respective setters. Anything else I'm missing?
also, is there a better channel for this discussion?