138 lines
4.6 KiB
Python
138 lines
4.6 KiB
Python
"""
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This component provides support for Xiaomi Cameras (HiSilicon Hi3518e V200).
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/camera.yi/
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"""
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import asyncio
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import logging
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import voluptuous as vol
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from homeassistant.components.camera import Camera, PLATFORM_SCHEMA
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from homeassistant.components.ffmpeg import DATA_FFMPEG
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from homeassistant.const import (CONF_HOST, CONF_NAME, CONF_PATH,
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CONF_PASSWORD, CONF_PORT, CONF_USERNAME)
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from homeassistant.helpers import config_validation as cv
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from homeassistant.helpers.aiohttp_client import async_aiohttp_proxy_stream
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DEPENDENCIES = ['ffmpeg']
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_BRAND = 'YI Home Camera'
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DEFAULT_PASSWORD = ''
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DEFAULT_PATH = '/tmp/sd/record'
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DEFAULT_PORT = 21
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DEFAULT_USERNAME = 'root'
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CONF_FFMPEG_ARGUMENTS = 'ffmpeg_arguments'
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_NAME): cv.string,
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vol.Required(CONF_HOST): cv.string,
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vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.string,
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vol.Optional(CONF_PATH, default=DEFAULT_PATH): cv.string,
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vol.Optional(CONF_USERNAME, default=DEFAULT_USERNAME): cv.string,
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vol.Required(CONF_PASSWORD): cv.string,
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vol.Optional(CONF_FFMPEG_ARGUMENTS): cv.string
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})
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@asyncio.coroutine
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def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
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"""Set up a Yi Camera."""
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_LOGGER.debug('Received configuration: %s', config)
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async_add_devices([YiCamera(hass, config)], True)
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class YiCamera(Camera):
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"""Define an implementation of a Yi Camera."""
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def __init__(self, hass, config):
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"""Initialize."""
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super().__init__()
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self._extra_arguments = config.get(CONF_FFMPEG_ARGUMENTS)
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self._last_image = None
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self._last_url = None
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self._manager = hass.data[DATA_FFMPEG]
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self._name = config.get(CONF_NAME)
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self.host = config.get(CONF_HOST)
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self.port = config.get(CONF_PORT)
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self.path = config.get(CONF_PATH)
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self.user = config.get(CONF_USERNAME)
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self.passwd = config.get(CONF_PASSWORD)
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@property
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def name(self):
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"""Return the name of this camera."""
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return self._name
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@property
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def brand(self):
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"""Camera brand."""
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return DEFAULT_BRAND
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def get_latest_video_url(self):
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"""Retrieve the latest video file from the customized Yi FTP server."""
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from ftplib import FTP, error_perm
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ftp = FTP(self.host)
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try:
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ftp.login(self.user, self.passwd)
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except error_perm as exc:
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_LOGGER.error('There was an error while logging into the camera')
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_LOGGER.debug(exc)
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return False
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try:
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ftp.cwd(self.path)
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except error_perm as exc:
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_LOGGER.error('Unable to find path: %s', self.path)
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_LOGGER.debug(exc)
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return False
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dirs = [d for d in ftp.nlst() if '.' not in d]
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if not dirs:
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_LOGGER.warning("There don't appear to be any uploaded videos")
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return False
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latest_dir = dirs[-1]
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ftp.cwd(latest_dir)
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videos = ftp.nlst()
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if not videos:
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_LOGGER.info('Video folder "%s" is empty; delaying', latest_dir)
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return False
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return 'ftp://{0}:{1}@{2}:{3}{4}/{5}/{6}'.format(
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self.user, self.passwd, self.host, self.port, self.path,
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latest_dir, videos[-1])
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@asyncio.coroutine
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def async_camera_image(self):
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"""Return a still image response from the camera."""
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from haffmpeg import ImageFrame, IMAGE_JPEG
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url = yield from self.hass.async_add_job(self.get_latest_video_url)
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if url != self._last_url:
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ffmpeg = ImageFrame(self._manager.binary, loop=self.hass.loop)
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self._last_image = yield from asyncio.shield(ffmpeg.get_image(
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url, output_format=IMAGE_JPEG,
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extra_cmd=self._extra_arguments), loop=self.hass.loop)
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self._last_url = url
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return self._last_image
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@asyncio.coroutine
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def handle_async_mjpeg_stream(self, request):
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"""Generate an HTTP MJPEG stream from the camera."""
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from haffmpeg import CameraMjpeg
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stream = CameraMjpeg(self._manager.binary, loop=self.hass.loop)
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yield from stream.open_camera(
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self._last_url, extra_cmd=self._extra_arguments)
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yield from async_aiohttp_proxy_stream(
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self.hass, request, stream,
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'multipart/x-mixed-replace;boundary=ffserver')
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yield from stream.close()
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