Author Topic: 4 webcams and only 1 output  (Read 1802 times)

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Offline pooky2483

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4 webcams and only 1 output
« on: July 31, 2015, 05:35:44 pm »
I am using a webcam program called xeoma to run 4 webcams (Advent AWC 113 HD) as a home security system.
Trouble is, I can only get one webcam to output a video stream. I have been trying to get this problem fixed for a week, but even countless daily e-mails to the support team for xeoma gets me nowhere.
They have said to try Cheese to view the webcams. Yes, this works but I can only view 1 webcam at a time. They also said to try VLC and open 4 instances of VLC with each one showing a different webcam. This too fails to show more than 1 webcam at a time.

I have installed some utils to help me but I'm unsure how to use them, although I have managed to get the information below.
v4l-utils & guvcview.
Code: [Select]
v4l2-ctl -d /dev/video0 --list-devices -k

AWC113 (usb-0000:00:12.2-1):
        /dev/video0

AWC113 (usb-0000:00:12.2-2):
        /dev/video1

AWC113 (usb-0000:00:12.2-5):
        /dev/video2

AWC113 (usb-0000:00:12.2-6):
        /dev/video3

I've even installed ZoneMinder to see if the problem lies with xeoma but I still can only view 1 webcam at a time as I am unable to get either program to display all 4 webcams at one time.

Any help in fixing this problem would be greatly appreciated.

Kubuntu 16.04LTS 64bit|KDE 5.36.0|QT 5.6.1|Linux 4.15.0-39-generic|M5A78L-M USB3|BIOS 2101|AMD PhenomII X4 965 3400+|P8H77-I Motherboard NIC|32.0GB PC3-10600 1333Mhz CL9 ( 9-9-9-24 ) DDR3

Offline pooky2483

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Re: 4 webcams and only 1 output
« Reply #1 on: July 31, 2015, 06:04:41 pm »
Also, I am seeing this...


I can't understand why I have 'Webcam' in 'Lost & Found'. Why's it there, is there something wrong with the webcam(s)?

Kubuntu 16.04LTS 64bit|KDE 5.36.0|QT 5.6.1|Linux 4.15.0-39-generic|M5A78L-M USB3|BIOS 2101|AMD PhenomII X4 965 3400+|P8H77-I Motherboard NIC|32.0GB PC3-10600 1333Mhz CL9 ( 9-9-9-24 ) DDR3

Offline SeZo

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Re: 4 webcams and only 1 output
« Reply #2 on: July 31, 2015, 11:23:16 pm »
Are you using xeoma paid version or the free one?
I think I have seen somewhere that the free is limited to 1 camera.
If opening multiple instances of VLC only show the first webcam, that may be down to the USB bandwidth. Try reducing the video size and see if you can get more than one webcam.
You could try motionEye which is a web-based user interface for motion. This would allow PiP mode too.

Offline pooky2483

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Re: 4 webcams and only 1 output
« Reply #3 on: August 02, 2015, 03:25:21 am »
I'm using the paid version with license for 4 cameras.

I *think* I've figured it out.
It's something to do with where the USB ports are, as in 'Hub's'. As I can't connect more than 1 webcam to the back where all the other connectors are, such as mouse/keyboard/sound/monitor/LAN. I have a dual USB connected directly to the board which is situated where you can also plug other boards in such as GFX & Sound. I also have 2 USB ports at the front and another USB port which is included in a multi-card reader.

Also, I can view more that one instance of VLC with different outputs from my webcams.

What is also strange. I am unable to connect more than 2 of the same webcams as when I connect a third, it will not display an image but when I connect a different webcam, I can see what the webcam sees.

Kubuntu 16.04LTS 64bit|KDE 5.36.0|QT 5.6.1|Linux 4.15.0-39-generic|M5A78L-M USB3|BIOS 2101|AMD PhenomII X4 965 3400+|P8H77-I Motherboard NIC|32.0GB PC3-10600 1333Mhz CL9 ( 9-9-9-24 ) DDR3

 


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