def connect(self):
if self._enabled:
_logger.log('Janus: Connecting')
def _on_error(ws, error):
_logger.log('Janus Error: %s' % error)
def _on_message(ws, msg):
self._process_msg(msg)
def _on_close(ws):
_logger.log('Janus: Ws Closed')
self._callback.disconnected()
def _on_open(ws):
_logger.log('Janus: Ws Opened')
self._create_session()
try:
self._ws = websocket.WebSocketApp(
self._url,
on_open=_on_open,
on_message=_on_message,
on_close=_on_close,
on_error=_on_error,
subprotocols=['janus-protocol'])
self._ws_thread = threading.Thread(target=self._ws.run_forever)
self._ws_thread.daemon = True
self._ws_thread.start()
except Exception as e:
_logger.warn(e)
def _connect(self, username, session):
if self._thread is None:
_logger.log('Octoprint Socket: Connecting')
def _on_message(ws, message):
# _logger.log('Octoprint socket message recieved: %s' % message)
self._callback.on_event(event=message)
def _on_error(ws, error):
_logger.log('Octoprint Socket Error: %s' % error)
def _on_close(ws):
_logger.log('Octoprint Socket: Ws Closed')
self._callback.disconnected()
def _on_open(ws):
_logger.log('Octoprint Socket: Ws Opened')
self._ws.send(
_json.dumps({'auth': '%s:%s' % (username, session)}))
self._ws.send(_json.dumps({'throttle': 10}))
self._callback.connected()
try:
self._ws = websocket.WebSocketApp(
"ws://localhost:5000/sockjs/websocket",
on_message=_on_message,
on_error=_on_error,
on_close=_on_close,
on_open=_on_open)
self._thread = threading.Thread(target=self._ws.run_forever)
self._thread.daemon = True
self._thread.start()
except Exception as e:
_logger.warn(e)
def connect(self):
try:
if not self._sio.connected and not self._connecting:
self._connecting = True
_logger.log('Plabric Socket: Connecting')
self._sio.connect(self._domain, namespaces=[config.PLABRIC_SOCKET_NAMESPACE])
except (socketio.exceptions.ConnectionError, ValueError) as e:
_logger.warn(e)
self._connecting = False
self._callback.on_connection_error()
def _disconnect_janus(self):
self._paused = False
self._stream_on_start = False
if self._janus_proc:
try:
self._janus_proc.terminate()
except Exception as e:
_logger.warn(e)
self._janus_thread = None
def stop(self):
if self._process:
self._shutting_down = True
try:
self._process.communicate(input=str.encode("q"))
self._process.terminate()
self._process.kill()
except Exception as e:
_logger.warn(e)
self._process = None
self._callback.on_video_stopped()
def _stream(self, base):
arguments = self._extra_arguments
r = self.get_rotation_params()
if r:
arguments['vf'] = r
try:
self._process = base\
.output(self._url, format='rtp', vcodec=self._vcodec, pix_fmt='yuv420p', an=None, ** arguments)\
.run_async(cmd=self._ffmpeg_dir, pipe_stdin=True, pipe_stderr=True, quiet=True)
except Exception as e:
_logger.warn(e)
def monitor_ffmpeg_process():
while True:
ring_buffer = deque(maxlen=200)
err = process.stderr.readline()
if not err:
if self._shutting_down:
return
process.wait()
_logger.warn('STDERR:\n{}\n'.format(
'\n'.join(ring_buffer)))
self.stop()
return
else:
ring_buffer.append(err)
def disconnect(self):
_logger.log('Janus: Disconnecting')
if self._ws:
self._ws.close()
self._ws.keep_running = False
self._ws_thread = None
self._ws = None
self._paused = False
self._stream_on_start = False
if self._janus_proc:
try:
self._janus_proc.terminate()
except Exception as e:
_logger.warn(e)
self._janus_thread = None
def connect(self):
if self._enabled and not self.ws_connected():
_logger.log('Janus: Connecting')
def _on_error(ws, error):
_logger.log('Janus Error: %s' % error)
self._reset_janus_ws()
def _on_message(ws, msg):
self._process_msg(msg)
def _on_close(ws):
_logger.log('Janus: Ws Closed')
self._callback.disconnected()
self._reset_janus_ws()
def _on_open(ws):
_logger.log('Janus: Ws Opened')
self._create_session()
try:
if self._janus_thread is None:
self._run_janus()
if self._started_at is not None and time.time(
) - self._started_at < 4:
time.sleep(2)
self._ws = websocket.WebSocketApp(
self._url,
on_open=_on_open,
on_message=_on_message,
on_close=_on_close,
on_error=_on_error,
subprotocols=['janus-protocol'])
_ws_thread = threading.Thread(target=self._ws.run_forever)
_ws_thread.daemon = True
_ws_thread.start()
except Exception as e:
_logger.warn(e)
def _stream_from_url(self, url):
_logger.log('Video stream: Start from url %s' % url)
try:
self._stream(ffmpeg.input(url))
except Exception as e:
_logger.warn(e)
def _stream_from_device(self):
_logger.log('Video stream: Start from device')
try:
self._stream(ffmpeg.input('/dev/video0', input_format='mjpeg'))
except Exception as e:
_logger.warn(e)
