Blue iris limit decoding unless required. Limit live preview rate is 1 fps.
Blue iris limit decoding unless required May 4, 2020 · So I am running the latest 5. If you aren't using motion, turn on the "limit decoding unless required" for each camera. 60GHz) hits 99% when too much motion is detected simultaneously and sits at around 84% on average. 4 - October 21, 2017 A new option on the Video tab in camera properties "Limit decoding unless required" can be used to lower CPU demand by only decoding video key frames instead of all frames. 9. ” In checked mode, BI only displays and analyzes for motion key frames. I'm running version 5. Jul 10, 2016 · Since upgrading to Blue Iris 5. 6 GHz Limit decoding unless required. 6. 6 GHz | 1TB HDD | 2TB RAID NAS | 9 Cameras uncheck “limit decoding unless required” Jan 13, 2022 · If so, is there a way to change this without removing the substream completely? It's a nice feature but I'd like to have my continuous recordings be my main stream. 61GB RAM. Keep in mind if you have a key frame ratio less than one, you will notice artifacts with the Limit decoding setting. 8. When I see the time tick seconds every 3-5 seconds, I call that a stutter. Sorry if this is a silly question, I'm completely new to NVR. They remain in the software for backwards compatibility for those users that have not upgraded their hardware or updated their software. Win 10 x64 Nov 3, 2019 · This can be done with three levels of processing: 1) Limit decoding doesn't even decode unless required, 2) Direct-to-Disk decodes for viewing and motion detection but then throws away the decoded data and just writes the original stream to disk and 3) Full decode the stream for viewing and motion detection and overlays any setup overlay data then re-encodes the stream onto disk. 2. Check camera status for key. When enabled, only key frames are normally decoded and displayed. When checked, In most situations it only uses the key (full image) frames. x x64 | Windows 10 Pro x64 check the "limit decoding unless required" this dropped my cpu usage to 10% all cameras recording 30 FPS and no dropped Dec 3, 2020 · I had a similar problem, but it was more of a slow updates of live feed and poor motion detection. In particular, a common key frame ratio of 0. 6 x64 of Blue Iris. If you have Reolinks (like me) they send key frames every four seconds. Sep 4, 2019 · Blue Iris 5. But anyway, it’s working fine with that option Feb 28, 2021 · - Unchecking 'limit decoding unless required' - Different combinations of HA / no HA, bitrate, VBS, CBS Blue Iris 5. Each of my cameras is set to a max rate of 15 fps, limit decoding unless required and Also BVR is checked. Will have to live with the high CPU usage. It dropped my cpu usage down to 7-15%. 6 posts • Page 1 of 1. Limit live preview rate is 1 fps. Blue Iris 5. I did some research and saw that turning off motion triggers and turning on the “limit decoding” would help. Thixotropic Posts: 744 Blue Iris 5. 9 This causes more of spotty triggers, but the setting “limit decoding unless required” confused me for a while. Limit decoding gotcha: Limit decoding to save CPU usage tells BI to only decode key frames and ignore the rest. A key frame is a “complete” frame—all other frames rely on key frames in order to be rendered, as they contain only the “changes” from frame to frame. If the CPU is at 100%, it will remain at 100% so this isn't a solution. After playing with setting for some time I found the solution was to check the "limit decoding unless required" in each cameras video tab setting. If checked, it only checks key frames from the camera (full image, not just changes since last key frame). It did. 1 today I am not able to use the box under Camera Setting, Video, Limit decoding unless required box. With dual streams and D2D recordings, the need for "Limit decoding unless required" is largely no longer needed since you get such HUGE CPU savings with these two new features. It runs at 18% CPU and 1. Blue iris 4, Windows 10, i7-3740QM, 16gb RAM, Nvidea GT 650M. x x64 | Windows 10 Pro x64 | 16GB RAM Dec 26, 2019 · Blue Iris 5. 6 GHz Mar 9, 2014 · 4. 6 GHz Mar 25, 2020 · The first issue i had after updating cameras was BI would ramp up the cpu usage to 98% it was around 30% before upgrade. 7. Sep 4, 2019 · Limit decoding unless required. Aug 30, 2021 · OK, have answered my own question. But the recordings looked fine. As such, it is extremely important to optimize your configuration to ensure you can get the most out of your system while consuming the least Mar 9, 2014 · I have 26 cameras running (total of ~1,300 MP/s) and without "limiting decoding" on some of the less important cameras, the CPU (i7-7700 @ 3. My fix was to uncheck “limit decoding unless required. In BI all cameras are set to Direct to Disk, Intel GPU offloading, Limit decoding unless required, and all overlays off in BI. It’s barely useable on live view. I check it and it restarts the camera screen when I click OK but is unchecked when it opens up again. x x64 | Windows 10 Pro x64 | 16GB RAM | i7-7700 3. Nov 22, 2020 · Yes, I have "Limit decoding unless required" Selected for all cameras 9 cams: 8 Reolink RLC-420, 1 Foscam VGA HD: System - Liteon LCS-128M6S, Storage - SATA 6TB Seagate st6000as0002 I just set the BI Service to stop and start every 8 hours in Task Scheduler. It did drastically reduce CPU usage but it also disabled live view for all except a selected camera. I have my hardware accelerated decode (restart cameras) set to Intel option. 3. 264, H. I have Reolink 410's, 810's, and 1220's cameras. I think it’s fixed. Thixotropic Posts: 743 Blue Iris 5. 6 GHz . Only drawback my live view lags about 10-12 seconds behind. Now cpu runs @ 15%. Trying to figure out if it has something to do with my cameras or if it's a bug in the current version of Blue Iris. It used to hover around 40-70% with a small computer monitor. 6 GHz Mar 21, 2021 · I have all of the cameras set for 15 frames / second, iFrames at 15, and H264 or H265, they all overlay the date and time which they sync from the BI server where I installed an NTP time server. 7 x64 release on an Intel Core i5-9500 w 16 GB RAM. I have direct to disc selected and saving as Blue Iris DVR. Generally an H. Limit decoding unless required. Maybe because of that, and because it’s decoding on Intel, it was freezing until someone triggered the camera. I've also selected Limit decoding unless required. 5 means a key frame is sent to BI every 2s. May 29, 2020 · Along with 'Limit decoding unless required' I've gone from 70%+ (and my server sounding like a jet engine) to around 10% most of the time. I think it had something to do with the “limit decoding unless required” feature. Dec 3, 2020 · For the camera configuration, under Video, is “limit decoding unless required” checked? I had a similar problem of slow/poor motion detection but discovered it was due to that check box. Feb 27, 2024 · The option to Limit decoding unless required is another way to manage CPU resources. Thixotropic Posts: 747 Blue Iris 5. Sep 4, 2019 · 1) If you have a camera that's recording 24/7 with no motion detection or zones set up, would there be any reason(s) not to use the limit decoding feature? From what I've read the main side-effects are the possibility of reduced sensitivity for motion detection and the potential for some CPU spiking if the camera is in a group that activates Mar 9, 2014 · In most Blue Iris installations, your CPU is the limiting factor which determines how many cameras you can have. 265 or MPEG4 stream will encode a key frame once each second, and this is Limit decoding unless required. I had enabled the 'Limit decoding unless required' option for all cameras hoping to reduce the CPU usage. All cameras are using direct to disc recording. lywpxtgquaoglnureufigosvimrohwxysycrxehoslszkujiudxqfuc