Set this to specify the name of the device to use.
This only has an effect when set while the camera is not running.
// Sets the device of the WebCamTexture to the first one available and starts playing it
function Start () {
var devices : WebCamDevice[] = WebCamTexture.devices;
var webcamTexture : WebCamTexture = WebCamTexture();
if(devices.length > 0){
webcamTexture.deviceName = devices[0].name;
webcamTexture.Play();
}
}