mqttdevicemanager/streamer/streamer.py

40 lines
1.0 KiB
Python

from threading import Thread
def is_alive(subprocess):
return True if (subprocess and subprocess.poll() is None) else False
class Streamer:
PROTOCOL = "rtsp"
REST_PATH = "stream"
def __init__(self):
self.run = False
self.thread = None
self.name = None
def stream_path(self):
return f"{type(self).REST_PATH}/{self.name}"
def stream_address(self, host, port=8554):
return f"{type(self).PROTOCOL}://{host}:{port}/{self.stream_path()}"
def is_streaming(self):
return True if (self.thread and self.thread.is_alive()) else False
def start_stream(self):
if self.is_streaming():
raise RuntimeError("Stream thread is already running")
self.run = True
self.thread = Thread(target=self._stream_thread, daemon=True, args=())
self.thread.start()
def end_stream(self):
if self.thread is None:
raise RuntimeError("No stream thread to terminate")
self.run = False
self.thread.join()
self.thread = None