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Electronics => General Electronics => Topic started by: witsanukai on June 22, 2013, 11:16:21 11:16



Title: [question]How to use multiple web camera same brand with WDM in VB.net
Post by: witsanukai on June 22, 2013, 11:16:21 11:16
How to use multiple web camera same brand with WDM in VB.net
Now i have try to use multiple web cam and try to access via avicap32.dll but the code not allow to use multiple camera.
I just can access only 1 camera, when used other camera need to colse cerrent camera first before open other camera.
Any i diea or suggest, how i can use it's? Please kindly advice.
Thanks advance. :)


Title: Re: [question]How to use multiple web camera same brand with WDM in VB.net
Post by: pickit2 on June 22, 2013, 01:35:24 13:35
each camera has a (IP address or mac number), so its the software your using that is not able to have multi connections open at once.
For my former place of work, we had a pc card from ebay, that can show 1/or/4 cameras on screen, and I believe up to 16 in scroll mode.





Title: Re: [question]How to use multiple web camera same brand with WDM in VB.net
Post by: witsanukai on June 26, 2013, 09:12:47 09:12
ํํYou mean using card grabber right?
I try to used low cost concept by using Web camera from china (only 6USD/pcs)
 have tried to used 2 USB webcam from MD Teach brand and 1 OKer brand  USB.
Using Win XP, try to open preview in windows exploer in same time also cannot ???
Could you advice how i can check mac numer or mac addrss of device?
It's may duplicated or not?


Posted on: June 23, 2013, 01:03:09 13:03 - Automerged

OK, Now i have the way out, i have try to use  PCI to USBcard to separedted each camera and use DirectShow to display.
The attach below is some example code if sombody need to try. :)