from dataclasses import dataclass from subprocess import Popen from typing import Tuple from platypush.plugins.camera import CameraInfo, Camera @dataclass class FFmpegCameraInfo(CameraInfo): ffmpeg_args: Tuple[str] = () def to_dict(self) -> dict: return { 'ffmpeg_args': list(self.ffmpeg_args or ()), **super().to_dict() } class FFmpegCamera(Camera): info: FFmpegCameraInfo object: Popen # vim:sw=4:ts=4:et: