core/homeassistant/components/onvif/camera.py

377 lines
12 KiB
Python

"""
Support for ONVIF Cameras with FFmpeg as decoder.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/camera.onvif/
"""
import asyncio
import datetime as dt
import logging
import os
from aiohttp.client_exceptions import ClientConnectionError, ServerDisconnectedError
from haffmpeg.camera import CameraMjpeg
from haffmpeg.tools import IMAGE_JPEG, ImageFrame
import onvif
from onvif import ONVIFCamera, exceptions
import voluptuous as vol
from zeep.exceptions import Fault
from homeassistant.components.camera import PLATFORM_SCHEMA, SUPPORT_STREAM, Camera
from homeassistant.components.camera.const import DOMAIN
from homeassistant.components.ffmpeg import CONF_EXTRA_ARGUMENTS, DATA_FFMPEG
from homeassistant.const import (
ATTR_ENTITY_ID,
CONF_HOST,
CONF_NAME,
CONF_PASSWORD,
CONF_PORT,
CONF_USERNAME,
)
from homeassistant.exceptions import PlatformNotReady
from homeassistant.helpers.aiohttp_client import async_aiohttp_proxy_stream
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.service import async_extract_entity_ids
import homeassistant.util.dt as dt_util
_LOGGER = logging.getLogger(__name__)
DEFAULT_NAME = "ONVIF Camera"
DEFAULT_PORT = 5000
DEFAULT_USERNAME = "admin"
DEFAULT_PASSWORD = "888888"
DEFAULT_ARGUMENTS = "-pred 1"
DEFAULT_PROFILE = 0
CONF_PROFILE = "profile"
ATTR_PAN = "pan"
ATTR_TILT = "tilt"
ATTR_ZOOM = "zoom"
DIR_UP = "UP"
DIR_DOWN = "DOWN"
DIR_LEFT = "LEFT"
DIR_RIGHT = "RIGHT"
ZOOM_OUT = "ZOOM_OUT"
ZOOM_IN = "ZOOM_IN"
PTZ_NONE = "NONE"
SERVICE_PTZ = "onvif_ptz"
ONVIF_DATA = "onvif"
ENTITIES = "entities"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_PASSWORD, default=DEFAULT_PASSWORD): cv.string,
vol.Optional(CONF_USERNAME, default=DEFAULT_USERNAME): cv.string,
vol.Optional(CONF_PORT, default=DEFAULT_PORT): cv.port,
vol.Optional(CONF_EXTRA_ARGUMENTS, default=DEFAULT_ARGUMENTS): cv.string,
vol.Optional(CONF_PROFILE, default=DEFAULT_PROFILE): vol.All(
vol.Coerce(int), vol.Range(min=0)
),
}
)
SERVICE_PTZ_SCHEMA = vol.Schema(
{
ATTR_ENTITY_ID: cv.entity_ids,
ATTR_PAN: vol.In([DIR_LEFT, DIR_RIGHT, PTZ_NONE]),
ATTR_TILT: vol.In([DIR_UP, DIR_DOWN, PTZ_NONE]),
ATTR_ZOOM: vol.In([ZOOM_OUT, ZOOM_IN, PTZ_NONE]),
}
)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up a ONVIF camera."""
_LOGGER.debug("Setting up the ONVIF camera platform")
async def async_handle_ptz(service):
"""Handle PTZ service call."""
pan = service.data.get(ATTR_PAN, None)
tilt = service.data.get(ATTR_TILT, None)
zoom = service.data.get(ATTR_ZOOM, None)
all_cameras = hass.data[ONVIF_DATA][ENTITIES]
entity_ids = await async_extract_entity_ids(hass, service)
target_cameras = []
if not entity_ids:
target_cameras = all_cameras
else:
target_cameras = [
camera for camera in all_cameras if camera.entity_id in entity_ids
]
for camera in target_cameras:
await camera.async_perform_ptz(pan, tilt, zoom)
hass.services.async_register(
DOMAIN, SERVICE_PTZ, async_handle_ptz, schema=SERVICE_PTZ_SCHEMA
)
_LOGGER.debug("Constructing the ONVIFHassCamera")
hass_camera = ONVIFHassCamera(hass, config)
await hass_camera.async_initialize()
async_add_entities([hass_camera])
return
class ONVIFHassCamera(Camera):
"""An implementation of an ONVIF camera."""
def __init__(self, hass, config):
"""Initialize an ONVIF camera."""
super().__init__()
_LOGGER.debug("Importing dependencies")
_LOGGER.debug("Setting up the ONVIF camera component")
self._username = config.get(CONF_USERNAME)
self._password = config.get(CONF_PASSWORD)
self._host = config.get(CONF_HOST)
self._port = config.get(CONF_PORT)
self._name = config.get(CONF_NAME)
self._ffmpeg_arguments = config.get(CONF_EXTRA_ARGUMENTS)
self._profile_index = config.get(CONF_PROFILE)
self._ptz_service = None
self._input = None
_LOGGER.debug(
"Setting up the ONVIF camera device @ '%s:%s'", self._host, self._port
)
self._camera = ONVIFCamera(
self._host,
self._port,
self._username,
self._password,
"{}/wsdl/".format(os.path.dirname(onvif.__file__)),
)
async def async_initialize(self):
"""
Initialize the camera.
Initializes the camera by obtaining the input uri and connecting to
the camera. Also retrieves the ONVIF profiles.
"""
try:
_LOGGER.debug("Updating service addresses")
await self._camera.update_xaddrs()
await self.async_check_date_and_time()
await self.async_obtain_input_uri()
self.setup_ptz()
except ClientConnectionError as err:
_LOGGER.warning(
"Couldn't connect to camera '%s', but will retry later. Error: %s",
self._name,
err,
)
raise PlatformNotReady
except Fault as err:
_LOGGER.error(
"Couldn't connect to camera '%s', please verify "
"that the credentials are correct. Error: %s",
self._name,
err,
)
async def async_check_date_and_time(self):
"""Warns if camera and system date not synced."""
_LOGGER.debug("Setting up the ONVIF device management service")
devicemgmt = self._camera.create_devicemgmt_service()
_LOGGER.debug("Retrieving current camera date/time")
try:
system_date = dt_util.utcnow()
device_time = await devicemgmt.GetSystemDateAndTime()
if device_time:
cdate = device_time.UTCDateTime
cam_date = dt.datetime(
cdate.Date.Year,
cdate.Date.Month,
cdate.Date.Day,
cdate.Time.Hour,
cdate.Time.Minute,
cdate.Time.Second,
0,
dt_util.UTC,
)
_LOGGER.debug("Camera date/time: %s", cam_date)
_LOGGER.debug("System date/time: %s", system_date)
dt_diff = cam_date - system_date
dt_diff_seconds = dt_diff.total_seconds()
if dt_diff_seconds > 5:
_LOGGER.warning(
"The date/time on the camera is '%s', "
"which is different from the system '%s', "
"this could lead to authentication issues",
cam_date,
system_date,
)
except ServerDisconnectedError as err:
_LOGGER.warning(
"Couldn't get camera '%s' date/time. Error: %s", self._name, err
)
async def async_obtain_input_uri(self):
"""Set the input uri for the camera."""
_LOGGER.debug(
"Connecting with ONVIF Camera: %s on port %s", self._host, self._port
)
try:
_LOGGER.debug("Retrieving profiles")
media_service = self._camera.create_media_service()
profiles = await media_service.GetProfiles()
_LOGGER.debug("Retrieved '%d' profiles", len(profiles))
if self._profile_index >= len(profiles):
_LOGGER.warning(
"ONVIF Camera '%s' doesn't provide profile %d."
" Using the last profile.",
self._name,
self._profile_index,
)
self._profile_index = -1
_LOGGER.debug("Using profile index '%d'", self._profile_index)
_LOGGER.debug("Retrieving stream uri")
req = media_service.create_type("GetStreamUri")
req.ProfileToken = profiles[self._profile_index].token
req.StreamSetup = {
"Stream": "RTP-Unicast",
"Transport": {"Protocol": "RTSP"},
}
stream_uri = await media_service.GetStreamUri(req)
uri_no_auth = stream_uri.Uri
uri_for_log = uri_no_auth.replace("rtsp://", "rtsp://<user>:<password>@", 1)
self._input = uri_no_auth.replace(
"rtsp://", f"rtsp://{self._username}:{self._password}@", 1
)
_LOGGER.debug(
"ONVIF Camera Using the following URL for %s: %s",
self._name,
uri_for_log,
)
except exceptions.ONVIFError as err:
_LOGGER.error("Couldn't setup camera '%s'. Error: %s", self._name, err)
def setup_ptz(self):
"""Set up PTZ if available."""
_LOGGER.debug("Setting up the ONVIF PTZ service")
if self._camera.get_service("ptz", create=False) is None:
_LOGGER.debug("PTZ is not available")
else:
self._ptz_service = self._camera.create_ptz_service()
_LOGGER.debug("Completed set up of the ONVIF camera component")
async def async_perform_ptz(self, pan, tilt, zoom):
"""Perform a PTZ action on the camera."""
if self._ptz_service is None:
_LOGGER.warning("PTZ actions are not supported on camera '%s'", self._name)
return
if self._ptz_service:
pan_val = 1 if pan == DIR_RIGHT else -1 if pan == DIR_LEFT else 0
tilt_val = 1 if tilt == DIR_UP else -1 if tilt == DIR_DOWN else 0
zoom_val = 1 if zoom == ZOOM_IN else -1 if zoom == ZOOM_OUT else 0
req = {
"Velocity": {
"PanTilt": {"_x": pan_val, "_y": tilt_val},
"Zoom": {"_x": zoom_val},
}
}
try:
_LOGGER.debug(
"Calling PTZ | Pan = %d | Tilt = %d | Zoom = %d",
pan_val,
tilt_val,
zoom_val,
)
await self._ptz_service.ContinuousMove(req)
except exceptions.ONVIFError as err:
if "Bad Request" in err.reason:
self._ptz_service = None
_LOGGER.debug("Camera '%s' doesn't support PTZ.", self._name)
else:
_LOGGER.debug("Camera '%s' doesn't support PTZ.", self._name)
async def async_added_to_hass(self):
"""Handle entity addition to hass."""
_LOGGER.debug("Camera '%s' added to hass", self._name)
if ONVIF_DATA not in self.hass.data:
self.hass.data[ONVIF_DATA] = {}
self.hass.data[ONVIF_DATA][ENTITIES] = []
self.hass.data[ONVIF_DATA][ENTITIES].append(self)
async def async_camera_image(self):
"""Return a still image response from the camera."""
_LOGGER.debug("Retrieving image from camera '%s'", self._name)
ffmpeg = ImageFrame(self.hass.data[DATA_FFMPEG].binary, loop=self.hass.loop)
image = await asyncio.shield(
ffmpeg.get_image(
self._input, output_format=IMAGE_JPEG, extra_cmd=self._ffmpeg_arguments
)
)
return image
async def handle_async_mjpeg_stream(self, request):
"""Generate an HTTP MJPEG stream from the camera."""
_LOGGER.debug("Handling mjpeg stream from camera '%s'", self._name)
ffmpeg_manager = self.hass.data[DATA_FFMPEG]
stream = CameraMjpeg(ffmpeg_manager.binary, loop=self.hass.loop)
await stream.open_camera(self._input, extra_cmd=self._ffmpeg_arguments)
try:
stream_reader = await stream.get_reader()
return await async_aiohttp_proxy_stream(
self.hass,
request,
stream_reader,
ffmpeg_manager.ffmpeg_stream_content_type,
)
finally:
await stream.close()
@property
def supported_features(self):
"""Return supported features."""
if self._input:
return SUPPORT_STREAM
return 0
async def stream_source(self):
"""Return the stream source."""
return self._input
@property
def name(self):
"""Return the name of this camera."""
return self._name