2 Webcam issue

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    I am experimenting with an AutoIT script to periodically save images from 2 Webcams.

    When running the script, I get a windows pop-Up asking me to select the “Video Source”.

    Is there any way to eliminate this pop-up?


    (1) I am using 2 webcams from 2 different manufacturers.

    (2) dllCall($user, “int”, “SendMessage”, “hWnd”, $cap1[0], “int”, $WM_CAP_DRIVER_CONNECT, “int”, X, “int”, 0)

    In the above line, I tried changing the value of “X” from 0 to 1, 2, 3, 4 etc.
    But for all non-Zero values, I got a Blank BLACK image.
    And for X=0, I get a popup Video Source selection screen.

    This makes me think that both Webcams are Device # 0.
    As I understand, the script finds 2 devices attached to # 0 and hence gives a pop-up asking me to select one of them.

    Is there any way I can manually change one of the webcam to # 1 in the Windows OS (may be in registry or elsewhere) ?

    OR any other way to prevent the pop-up Video Source Selection?

    Any help here….

    Thank you.


    PS: I have tried with 2 Webcams from the same company and 2 webcams from different companies.

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