def remove_video_device_change_callback(callback):
from xpra.platform.webcam import _video_device_change_callbacks
global _watch_manager, _notifier
if not _watch_manager:
log.error(
"Error: cannot remove video device change callback, no watch manager!"
)
return
if callback not in _video_device_change_callbacks:
log.error(
"Error: video device change callback not found, cannot remove it!")
return
log("remove_video_device_change_callback(%s)", callback)
_video_device_change_callbacks.remove(callback)
if not _video_device_change_callbacks:
log("last video device change callback removed, closing the watch manager"
)
#we can close it:
try:
_notifier.stop()
except Exception:
pass
_notifier = None
try:
_watch_manager.close()
except Exception:
pass
_watch_manager = None
def remove_video_device_change_callback(callback):
from xpra.platform.webcam import _video_device_change_callbacks
if callback in _video_device_change_callbacks:
_video_device_change_callbacks.remove(callback)
if len(_video_device_change_callbacks) == 0:
#none left, stop listening
el = get_win32_event_listener(False)
if el:
el.remove_event_callback(WM_DEVICECHANGE, _device_change_callback)
def remove_video_device_change_callback(callback):
if not get_win32_event_listener:
return
from xpra.platform.webcam import _video_device_change_callbacks
if callback in _video_device_change_callbacks:
_video_device_change_callbacks.remove(callback)
if len(_video_device_change_callbacks)==0:
#none left, stop listening
get_win32_event_listener().remove_event_callback(WM_DEVICECHANGE, _device_change_callback)
def remove_video_device_change_callback(callback):
from xpra.platform.webcam import _video_device_change_callbacks
global _watch_manager, _notifier
if not _watch_manager:
log.error("Error: cannot remove video device change callback, no watch manager!")
return
if callback not in _video_device_change_callbacks:
log.error("Error: video device change callback not found, cannot remove it!")
return
log("remove_video_device_change_callback(%s)", callback)
_video_device_change_callbacks.remove(callback)
if len(_video_device_change_callbacks)==0:
log("last video device change callback removed, closing the watch manager")
#we can close it:
try:
_notifier.stop()
except:
pass
_notifier = None
try:
_watch_manager.close()
except:
pass
_watch_manager = None
