Starts providering the devices. This will cause GST_MESSAGE_DEVICE_ADDED and GST_MESSAGE_DEVICE_REMOVED messages to be posted on the provider's bus when devices are added or removed from the system.
Since the gstreamer.DeviceProvider is a singleton, Device.providerStart may already have been called by another user of the object, Device.providerStop needs to be called the same number of times.
TRUE if the device providering could be started
1.4
Starts providering the devices. This will cause GST_MESSAGE_DEVICE_ADDED and GST_MESSAGE_DEVICE_REMOVED messages to be posted on the provider's bus when devices are added or removed from the system.
Since the gstreamer.DeviceProvider is a singleton, Device.providerStart may already have been called by another user of the object, Device.providerStop needs to be called the same number of times.