Decreases the use-count by one. If the use count reaches zero, this gstreamer.DeviceProvider will stop providering the devices. This needs to be called the same number of times that Device.providerStart was called.
1.4
Decreases the use-count by one. If the use count reaches zero, this gstreamer.DeviceProvider will stop providering the devices. This needs to be called the same number of times that Device.providerStart was called.