D-Link Forums
Software => D-ViewCam => Topic started by: RecDNA on August 15, 2016, 11:00:59 AM
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I have my dcs932L all set up on dviewcam but the recordings skip seconds on playback. Sometimes missing 5 seconds. Sometimes it just speeds up and 30 seconds go by in 5 seconds. Very herky jerky to watch and may miss a critical event. Windows 7 brand new laptop plenty of disk space. Any suggestions?
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What version of DVC are you using?
What OS platform?
PC memory installed and video card memory?
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Windows 7 pro
Newest version of dviewcam
4 gb memory. Intel video part of mother board. No separate card
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How many cameras do you have connected at once and what video quality do you have set on them?
Also can you report the Video Card memory from with in the video card settings when you select Screen Resolution from the desktop right click, then left click on Advanced Settings.
I would test this out, turn off ALL cameras or disconnect them from DVC accept for one. Test 1 cameras and test the skipping from frames in the video...
Is the LT wired or wireless when connected to the main host router?
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Only have one camera. Camera 640 by 480 setting. WiFi. Computer connected to router by ethernet cable.
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Are the recording saved to the LT or drive storage? This only happens with play back?
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Yes I record on same hard drive. Would flash drive be better? I don't have an external hard drive and my biggest clean flash drive is 64gb.
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Oh yes only on play back. Watching live looks fine
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Ya you might try flash drive. Probably could be that resources on this LT maybe a bit stretched. DVC is kind of resource intensive. 4Gb is ok however that's minimum for Windows 7. Recommended in 8Gb Ram. Also maybe your drive performance on the LT could be impacting play back of video files. Other items would be security software and any other programs that maybe running in the back ground. DVC really needs a good dedicated PC with nothing else running accept Windows.
My PC is several years old however I have 8gb ram and minimum 512Mb video on dedicated video card, not shared onbaord. 1Tb when I have the dual SLI cards in. ::)
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I don't know what LT is. Computer is dedicated and only one low def camera. Computer is running webroot anti virus but it is very light for antivirus software. If I save a playback file it still skips in windows media player so it is recorded that way.
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LT=LapTop
What video mode are you using? MPEG or H.2##
What wireless mode is the camera connected too? G? N? What security mode do you have set on the main host router? WPA or WPA2? Security option Tpik or AES only?
Does the video do this in a different viewer like VLC? VLC is free I believe.
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Using G band. Too far from router to use N however good signal for playback online from wifi tablet in same spot using dlink app.
WPA2
Using MPEG and dviewcam won't allow me to change to H
Yes skips in vlc too. The files are recorded with skips in them. Always skips in exact same places.
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Ok, so there maybe the problem, G mode. G mode only supports 54Mb connection links between the router and camera, video stream bandwidth can take way more bandwidth then that thus could be the reason your seeing bad video when it's recorded to file. There any chance you can install another wireless AP with N mode support closer to the camera?
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My router supports N but not much distance in N. I can stream Netflix HD from G band in same room.
No. My router is where cable is. No cable upstairs. I suppose I could try a repeater. I guess I can never use an HD camera then? 640 by 480 sucks.
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What is the Mfr and model of this router?
Whats the distance between the router and camera, line of site best guess even thru the floor?
No HD until you can get N mode connected with the camera...
Extender may work, however I haven't been a fan of those...not known for great performances.
One thing I might suggest, a PoweLine kit, Gb speeds if possible, they will act as a interconnect between the router and remote location for a wired LAN 2ndary AP that could be place near the camera:
ISP modem>Main host router<>PL near router<----------------------->PL in remote location<LAN wired to back of wireless AP at remote location><Camera connected to AP.
PowerLines run internet data thru the 110v wiring in the house.
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What is AP?
My internet speed at router only 100 mbps so even with powerline may be too slow for HD?
Linksys router.
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AP= wireless Access Point
Since your recording from the camera to a local storage source, internet speed isn't a factor here.
Whats the model# of the Linksys router?
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By AP in this case you mean plug ethernet cable into back of camera?
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Whats the model# of the Linksys router?
No, i mean using a 2ndary wireless AP placed more closer to the camera so it can connect to a N mode wireless signal thus giving you HD modes
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I still don't know what that means. Another wireless router? I get the thing is plugged into wall socket and ethernet cable plugs into it. I do not understand what device goes between cable and camera.
I have Linksys EA4500. It is dual band. I use one band for N only and one for G only so I know which band I am on each band has a different name.
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Do you have the 2.4Ghz set up for mixed mode or single mode G only. You can run mixed mode on 2.4Ghz radio on this router.
Yes it would entail using another wireless access point place more closer to the camera so the camera could connect wirelessly to this AP and use N mode to gain HD modes on the camera. ISP modem>Main host router<>PL near router<--------Power Line------------>PL unit in remote location<LAN wired to back of wireless AP at remote location><Camera connected to AP.
Similar to this:
Turning a router into an AP. (http://forums.dlink.com/index.php?topic=40856.0)
Accept you would need PLs between the main host router and 2ndary wireless AP if you wanted to go this route.
Or you can try an extender:
http://us.dlink.com/product-category/home-solutions/connect/access-points-range-extenders-and-bridges/ (http://us.dlink.com/product-category/home-solutions/connect/access-points-range-extenders-and-bridges/)
You'll need to enable N mode on the main host router as well.
Or a more powerful main host router would be another suggestion.
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2 bands. 5 ghz band set to N only but it doesn't have much reach. 2.4 ghz band mixed but the most distant devices only have G speed. The router is in the southeast corner downstaira. The camera is in the window of the northwest corner. I know it is connected to 2.4 ghz band and assume it is cinnected to G not N at that distance. My phone on wifi in the same spot gets 20 mbps according to bandwidth speed app.
The terms you are using are unknown to me. It would be helpful to use specific words like router or repeater or ethernet cable or ethernet plug. I have no idea what an access point is wireless or otherwise. I do appreciate your help but I am not as well versed in jargon so have no idea how to actually set up what you describe. I do appreciate your patience and all the time you have devoted trying to help.
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So it seems that the camera is at the most distant point from the main host router? If so, you'll need to either get a more powerful main host router, install a wireless access point near the camera while using the power line units to connect the access point to the main host router, or just use a wireless extender to help extend or get more signal from the main host router into the cameras area.
Wireless AP is just that, a stand alone wireless device that broadcasts just a wireless signal. It needs a physical LAN cable connection to a main host router to connect to internet services.
Extender or repeater is similar to the AP however doesn't need a physical LAN cable connected to the main host router, it connects wirelessly to the main host routers wifi radios using the SSID name and PW.
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Scroll down and find the examples of usage senarios for this model DAP:
http://us.dlink.com/products/access-points-range-extenders-and-bridges/wireless-ac1200-dual-band-gigabit-range-extender/ (http://us.dlink.com/products/access-points-range-extenders-and-bridges/wireless-ac1200-dual-band-gigabit-range-extender/)
This shows you how to use this product in either, wireless extender mode, wired AP mode or a Bridge. You would need extender mode or wired AP mode. Again, this is a connection suggestion to help you get better signal to the camera located at the opposite end from the main host router were it seems the signal is low and not able to maintain a N mode speed connection, thus not giving you the ability to get HD modes on the camera which is giving you bad video capture files and viewing them.
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Nice diagrams very clear now. However, if I use a powerline solution why can't I just run ethernet cable from powerline device in plug upstairs directly to camera skipping any need for a wireless ap?
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You can do that too if you want too...
Placing a AP at the remote location would also help other devices with signal as well.
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That was my key misunderstanding. I have no need to speed up any other devices. They are fine. Thanks again.
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Let us know how it turns out.
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One last question. If I use that DAP as an extender will my upstairs devices already connected to wifi need to be reconnected to the Dap (since there is already enough signal for them) or will they automatically just connect to it?
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I believe if you use extender mode, it will be broadcasting the same SSID name and PW from the main host routers wifi, so devices should connect automatically to the DAPs signal since it would be closer in proximity.
Also placement of the DAP in relation to the main host router would need to be taken into consideration if in extender mode. Not on the bleeding edge of the main host routers signal, rather closer to the main host router so it gets the best signal from the main host router thus providing best signal to the remote devices at the other end of the house...
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Any status on this? ???
One last question. If I use that DAP as an extender will my upstairs devices already connected to wifi need to be reconnected to the Dap (since there is already enough signal for them) or will they automatically just connect to it?