def refresh_cam_device_list():
old_dev_selected = window.drpInput.currentText()
window.drpInput.clear()
window.drpInput.addItem("None") # Add a 'None' item so user can turn off camera
for dev in threadDevLister.dev_list:
txt = UvcCapture.get_human_friendly_identifier(dev['name'], dev['idVendor'], dev['idProduct'], dev['serialNumber'])
window.drpInput.addItem(txt)
if txt == old_dev_selected:
window.drpInput.setCurrentIndex(window.drpInput.count()-1)
threadFrameGrabber.sig_new_dev_selected.emit(window.drpInput.currentText())
