94 lines
3.3 KiB
Python
94 lines
3.3 KiB
Python
"""
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This component provides basic support for Amcrest IP cameras.
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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.amcrest/
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"""
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import asyncio
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import logging
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from homeassistant.components.amcrest import (
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DATA_AMCREST, STREAM_SOURCE_LIST, TIMEOUT)
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from homeassistant.components.camera import Camera
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from homeassistant.components.ffmpeg import DATA_FFMPEG
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from homeassistant.const import CONF_NAME
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from homeassistant.helpers.aiohttp_client import (
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async_get_clientsession, async_aiohttp_proxy_web,
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async_aiohttp_proxy_stream)
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DEPENDENCIES = ['amcrest', 'ffmpeg']
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_LOGGER = logging.getLogger(__name__)
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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 an Amcrest IP Camera."""
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if discovery_info is None:
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return
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device_name = discovery_info[CONF_NAME]
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amcrest = hass.data[DATA_AMCREST][device_name]
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async_add_devices([AmcrestCam(hass, amcrest)], True)
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return True
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class AmcrestCam(Camera):
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"""An implementation of an Amcrest IP camera."""
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def __init__(self, hass, amcrest):
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"""Initialize an Amcrest camera."""
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super(AmcrestCam, self).__init__()
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self._name = amcrest.name
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self._camera = amcrest.device
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self._base_url = self._camera.get_base_url()
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self._ffmpeg = hass.data[DATA_FFMPEG]
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self._ffmpeg_arguments = amcrest.ffmpeg_arguments
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self._stream_source = amcrest.stream_source
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self._resolution = amcrest.resolution
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self._token = self._auth = amcrest.authentication
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def camera_image(self):
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"""Return a still image response from the camera."""
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# Send the request to snap a picture and return raw jpg data
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response = self._camera.snapshot(channel=self._resolution)
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return response.data
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@asyncio.coroutine
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def handle_async_mjpeg_stream(self, request):
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"""Return an MJPEG stream."""
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# The snapshot implementation is handled by the parent class
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if self._stream_source == STREAM_SOURCE_LIST['snapshot']:
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yield from super().handle_async_mjpeg_stream(request)
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return
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elif self._stream_source == STREAM_SOURCE_LIST['mjpeg']:
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# stream an MJPEG image stream directly from the camera
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websession = async_get_clientsession(self.hass)
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streaming_url = self._camera.mjpeg_url(typeno=self._resolution)
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stream_coro = websession.get(
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streaming_url, auth=self._token, timeout=TIMEOUT)
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yield from async_aiohttp_proxy_web(self.hass, request, stream_coro)
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else:
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# streaming via fmpeg
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from haffmpeg import CameraMjpeg
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streaming_url = self._camera.rtsp_url(typeno=self._resolution)
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stream = CameraMjpeg(self._ffmpeg.binary, loop=self.hass.loop)
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yield from stream.open_camera(
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streaming_url, extra_cmd=self._ffmpeg_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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@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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