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[Camera] The wait_for_either barrier should be enabled on streaming by default.

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`camera.pi*` plugins are an exception, as they handle the lifecycle of
the camera streaming process through the `picamera*` libraries.

Otherwise, the streaming thread should explicitly wait on either the
plugin stop or streaming stop events and exit accordingly, or the camera
thread may be streaming indefinitely.
This commit is contained in:
Fabio Manganiello 2024-02-26 01:26:03 +01:00
parent 56a04975ae
commit e58f5d2fa1
Signed by: blacklight
GPG key ID: D90FBA7F76362774
1 changed files with 7 additions and 0 deletions
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7
platypush/plugins/camera/__init__.py
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@ -770,6 +770,12 @@ class CameraPlugin(RunnablePlugin, ABC):
self.logger.info('Stopped camera stream')
def _wait_stream_stop(self, camera: Camera):
try:
wait_for_either(self._should_stop, camera.stop_stream_event)
except Exception as e:
self.logger.debug('Error on streaming poll: %s', e)
def _streaming_loop(
self,
camera: Camera,
@ -785,6 +791,7 @@ class CameraPlugin(RunnablePlugin, ABC):
assert camera.stream, 'No camera stream available'
camera.stream.sock = sock
self.start_camera(camera, duration=duration, frames_dir=None, image_file=None)
self._wait_stream_stop(camera)
def _cleanup_stream(
self, camera: Camera, server_socket: socket.socket, client: Optional[IO]