Tom28pl

Hi I need an advice before I will buy 4-5 IP cameras for Home Security. I have already one 8MP - DS-2CD2685FWD-IZS 8MP and 2x 4MP - DS-2CD2143G0-I both are great. video quality is very good. I'm not using any special options from camera menu - move detection, rtsp recording - this is done by the NVR software. So I'm only getting RTSP stream from the camera. So I thought I wll add 4 additional DS-2CD2143G0-I , but then I found HiWatch serie, and I'm thinking about the HWI-D140H Will this be also ok? I hahe checked sample movies on YT and both are quite similar. Where is the difference? There is almost double price difference between those 2 cameras. Thanks

take i5 computer (even laptop) with Linux and read about ffmpeg functions. If camera has h265+, with ffmpeg I can write it directly, low bandwitch, low disk usage, and CPU usage around 1-2% for 1 camera. No need to re-encode video. 1000mbit ethernet, few SATA disks (with RAID) and you can build recorder for 20-30 x 4 MP cameras. much cheaper than regular NVR recoder. Currently I have 8 FullHD, 2x 4MP and 1x8MP current CPU usage - less than 15%, few free slots on PoE switch so I have asked for someone who has experience about the Hiwatch camera, because I do not know if HiWatch is ok or I should buy DS-2CD2143G0-I

That was helpful....

I have created my own recorder, intel i5 with Linux and ffmpeg with own scripts for rtsp stream recording. It is working great since few years. So please focus on camera only, let's say I do not have any limits on recorder. So what do you recommend instead of RTSP?

Hi I created my own "NVR" with Linux - to capture stream from RTSP I'm using ffmpeg but have few problems which I'm not able to resolve, maybe this is a ffmpeg limitation or other things, nevermind. I thought to buy a NVR, Dahua or Hikvision (If I will not find ano other solution I will do this) but before that I would like to ask you: do you know how those nvr's are capturing the stream? they have own systems or are also using ffmpeg or vlc? Just thinking of creating something similar, or maybe just install similar software/libraries? I just would like to have my own system because then I can create alerts, notifications like I want. Also SSH to NVR is useful Thanks

Hi I'm using Linux ffmpeg to capture stream with RTSP cameras. It is working excellent since few years with below commands: ffmpeg -rtsp_transport tcp -progress /media/stats.txt -i rtsp://192.168.1.220:554/live/h264/ch0 -c:v copy -c:a copy -strict 1 -map 0 -f segment -strftime 1 -segment_time 1800 /media/cam2_%d_%m_%Y_%H_%M_%S.mkv The problem is that ffmpeg will not restart capturing after connection was dropped. So I'm checking the progress file (stats.txt) with another script: while true do frames_1=`tail -n 11 /media/stats.txt | grep "frame=" | awk -F "=" '{print $2}'` sleep 10 // wait 10 seconds frames_2=`tail -n 11 /media/stats.txt | grep "frame=" | awk -F "=" '{print $2}'` ..... if [ $frames_2 -eq $frames_1 ]; then /// here restarting the ffmpeg // so if the frame number is the same as it was 10 seconds ago, I'm restarting ffmpeg. The problem is that this is giving false alarms. For few cameras, when light to the camera or scene changed a lot or for example when camera moves from day to light mode, in the stats.txt the frame number is not changing, so $frames_1 and $frames_2 has the same value which is restarting the ffmpeg. After that, I'm loosing about 5-8 seconds of video. So video is working fine. I tried many things, different cameras (I-frame rate, CBR, VBR) - always the same. Now I added "-r 25" to the ffmpeg, but I'm trying to figure out why this is working like this. Few days ago I mounted SANYO VCC-HD2500P which is great....and has the same problem. I'm thinking about some settings to ffmpeg like vsync or etc. any suggestions? thanks.

Thanks for the answer. I try to find older firmware, maybe this will help on this.

Hello Did you resolve the problem? I have exactly the same issue with HD2500 but I also do not see timestamp on the jpg stream. I have latest firmware, I restarted to default settings few times, nothing helped. thanks

Hi I need an advice, I already tested many NVR software, but I couldn't find perfect one. Currently I have 5 IP cameras (1.3 MP and 2 MP) and I'm using: 1) Linux with my simple scripts to download RTSP streams with VLC (cvlc) - this is working perfect 2) Windows (remotely) with installed iSPY which is doing motion detect If I see that something interesting was detected, I can download full (1.3 or 2.0 MP) movie and check details. What is very nice with iSPY is that on the bottom I have snapshots from the movie which were recorded by motion detect and it is sending pictures on FTP. The problem is that iSPY can't record simultaneously from RTS. (or can record only every 1 second) iSPY is using less than 10% or CPU in my configuration. Current option works fine but I need 2 computers, or maybe put iSPY on Linux VM, but I will need better PC for this and this is something what I would like to avoid. so summary, Im looking for: 1) simultaneously RTSP record 2) motion detect (it will be perfect to detect from the same stream because my 2MP cameras has 2nd stream with only 800x600) 3) shows movies/screenshots when motion was detected 4) possible to upload screenshots to FTP when motion was detected 5) [optional] remote client/web client 6) can work on Windows or Linux, thanks in advance.