forked from platypush/platypush
Fixed camera.pi plugin
This commit is contained in:
Fabio Manganiello
parent
25cbe759cf
commit
190ab15a76
2 changed files with 107 additions and 77 deletions
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@ -88,8 +88,9 @@ class WebsocketBackend(Backend):
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self.logger.warning('Error on websocket send_event: {}'.format(e))
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loop = get_or_create_event_loop()
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active_websockets = self.active_websockets.copy()
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for websocket in self.active_websockets:
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for websocket in active_websockets:
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try:
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loop.run_until_complete(send_event(websocket))
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except websockets.exceptions.ConnectionClosed:
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@ -69,9 +69,9 @@ class CameraPiPlugin(CameraPlugin):
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import picamera
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self._camera = picamera.PiCamera()
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for (attr, value) in self.camera_args:
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for (attr, value) in self.camera_args.items():
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setattr(self._camera, attr, value)
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for (attr, value) in opts:
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for (attr, value) in opts.items():
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setattr(self._camera, attr, value)
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return self._camera
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@ -171,7 +171,7 @@ class CameraPiPlugin(CameraPlugin):
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if resize:
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capture_opts['resize'] = tuple(resize)
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images = [os.path.join(directory, name_format % str(i+1)) for i in range(0, n_images)]
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images = [os.path.join(directory, name_format % (i+1)) for i in range(0, n_images)]
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camera.capture_sequence(images, **capture_opts)
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return {'image_files': images}
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@ -214,14 +214,15 @@ class CameraPiPlugin(CameraPlugin):
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capture_opts['resize'] = tuple(resize)
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def capture_thread():
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try:
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self.logger.info('Starting time lapse recording to directory {}'.format(directory))
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i = 0
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for filename in camera.capture_continuous(os.path.join(directory, 'image_{counter:04d}.jpg')):
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i += 1
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self.logger.debug('Captured {}'.format(filename))
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self.logger.info('Captured {}'.format(filename))
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if i >= n_images:
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if n_images and i >= n_images:
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break
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self._time_lapse_stop_condition.acquire()
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@ -230,7 +231,7 @@ class CameraPiPlugin(CameraPlugin):
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if should_stop:
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break
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finally:
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self._time_lapse_thread = None
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self.logger.info('Stopped time lapse recording')
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@ -297,9 +298,10 @@ class CameraPiPlugin(CameraPlugin):
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video_file = os.path.abspath(os.path.expanduser(video_file))
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def recording_thread():
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try:
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if not multifile:
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self.logger.info('Starting recording to video file {}'.format(video_file))
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camera.start_recording(video_file)
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camera.start_recording(video_file, format='h264')
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self._recording_stop_condition.acquire()
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self._recording_stop_condition.wait(timeout=duration)
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self._recording_stop_condition.release()
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@ -313,7 +315,7 @@ class CameraPiPlugin(CameraPlugin):
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if duration is not None:
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end_time = time.time() + duration
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camera.start_recording(name_format % i)
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camera.start_recording(name_format % i, format='h264')
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self._recording_stop_condition.acquire()
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self._recording_stop_condition.wait(timeout=split_duration)
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self._recording_stop_condition.release()
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@ -337,9 +339,14 @@ class CameraPiPlugin(CameraPlugin):
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if should_stop:
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break
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finally:
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try:
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camera.stop_recording()
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except Exception as e:
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self.logger.exception(e)
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self.camera.stop_recording()
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self._recording_thread = None
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self.logger.info('Stopped camera recording')
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self._recording_thread = threading.Thread(target=recording_thread)
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self._recording_thread.start()
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@ -362,7 +369,7 @@ class CameraPiPlugin(CameraPlugin):
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self._recording_thread.join()
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@action
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def start_streaming(self, listen_port=5000, duration=None, format='h264' **opts):
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def start_streaming(self, listen_port=5000, duration=None, format='h264', **opts):
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"""
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Start recording to a network stream
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@ -388,17 +395,33 @@ class CameraPiPlugin(CameraPlugin):
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server_socket.listen(0)
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def streaming_thread():
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self.logger.info('Starting streaming on listen port {}'.format(listen_port))
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try:
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self.logger.info('Starting streaming on port {}'.format(listen_port))
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while True:
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self.logger.info('Listening for client connection')
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socket = server_socket.accept()[0].makefile('wb')
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self.logger.info('Accepted client connection from {}'.format(socket.getpeername()))
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self.logger.info('Accepted client connection')
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start_time = time.time()
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try:
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camera.start_recording(socket, format=format)
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while True:
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wait_time = 1
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if duration:
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wait_time = min(wait_time, duration)
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if time.time() - start_time >= duration:
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break
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camera.wait_recording(wait_time)
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self._streaming_stop_condition.acquire()
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self._streaming_stop_condition.wait(timeout=duration)
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should_stop = self._streaming_stop_condition.wait(timeout=0.1)
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self._streaming_stop_condition.release()
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if should_stop:
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break
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break
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except ConnectionError:
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self.logger.info('Client closed connection')
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@ -407,8 +430,14 @@ class CameraPiPlugin(CameraPlugin):
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socket.close()
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except:
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pass
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self.camera.stop_recording()
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finally:
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try:
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camera.stop_recording()
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except BrokenPipeError:
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pass
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except Exception as e:
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self.logger.exception(e)
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finally:
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self._streaming_thread = None
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self.logger.info('Stopped camera stream')
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