core/homeassistant/components/binary_sensor/ffmpeg.py

279 lines
8.5 KiB
Python

"""
Provides a binary sensor which is a collection of ffmpeg tools.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/binary_sensor.ffmpeg/
"""
import asyncio
import logging
import os
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.components.binary_sensor import (
BinarySensorDevice, PLATFORM_SCHEMA, DOMAIN)
from homeassistant.components.ffmpeg import (
DATA_FFMPEG, CONF_INPUT, CONF_OUTPUT, CONF_EXTRA_ARGUMENTS)
from homeassistant.config import load_yaml_config_file
from homeassistant.const import (
EVENT_HOMEASSISTANT_STOP, EVENT_HOMEASSISTANT_START, CONF_NAME,
ATTR_ENTITY_ID)
DEPENDENCIES = ['ffmpeg']
_LOGGER = logging.getLogger(__name__)
SERVICE_START = 'ffmpeg_start'
SERVICE_STOP = 'ffmpeg_stop'
SERVICE_RESTART = 'ffmpeg_restart'
DATA_FFMPEG_DEVICE = 'ffmpeg_binary_sensor'
FFMPEG_SENSOR_NOISE = 'noise'
FFMPEG_SENSOR_MOTION = 'motion'
MAP_FFMPEG_BIN = [
FFMPEG_SENSOR_NOISE,
FFMPEG_SENSOR_MOTION
]
CONF_INITIAL_STATE = 'initial_state'
CONF_TOOL = 'tool'
CONF_PEAK = 'peak'
CONF_DURATION = 'duration'
CONF_RESET = 'reset'
CONF_CHANGES = 'changes'
CONF_REPEAT = 'repeat'
CONF_REPEAT_TIME = 'repeat_time'
DEFAULT_NAME = 'FFmpeg'
DEFAULT_INIT_STATE = True
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_TOOL): vol.In(MAP_FFMPEG_BIN),
vol.Required(CONF_INPUT): cv.string,
vol.Optional(CONF_INITIAL_STATE, default=DEFAULT_INIT_STATE): cv.boolean,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_EXTRA_ARGUMENTS): cv.string,
vol.Optional(CONF_OUTPUT): cv.string,
vol.Optional(CONF_PEAK, default=-30): vol.Coerce(int),
vol.Optional(CONF_DURATION, default=1):
vol.All(vol.Coerce(int), vol.Range(min=1)),
vol.Optional(CONF_RESET, default=10):
vol.All(vol.Coerce(int), vol.Range(min=1)),
vol.Optional(CONF_CHANGES, default=10):
vol.All(vol.Coerce(float), vol.Range(min=0, max=99)),
vol.Optional(CONF_REPEAT, default=0):
vol.All(vol.Coerce(int), vol.Range(min=0)),
vol.Optional(CONF_REPEAT_TIME, default=0):
vol.All(vol.Coerce(int), vol.Range(min=0)),
})
SERVICE_FFMPEG_SCHEMA = vol.Schema({
vol.Optional(ATTR_ENTITY_ID): cv.entity_ids,
})
def restart(hass, entity_id=None):
"""Restart a ffmpeg process on entity."""
data = {ATTR_ENTITY_ID: entity_id} if entity_id else {}
hass.services.call(DOMAIN, SERVICE_RESTART, data)
@asyncio.coroutine
def async_setup_platform(hass, config, async_add_devices, discovery_info=None):
"""Create the binary sensor."""
from haffmpeg import SensorNoise, SensorMotion
# check source
if not hass.data[DATA_FFMPEG].async_run_test(config.get(CONF_INPUT)):
return
# generate sensor object
if config.get(CONF_TOOL) == FFMPEG_SENSOR_NOISE:
entity = FFmpegNoise(hass, SensorNoise, config)
else:
entity = FFmpegMotion(hass, SensorMotion, config)
@asyncio.coroutine
def async_shutdown(event):
"""Stop ffmpeg."""
yield from entity.async_shutdown_ffmpeg()
hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_STOP, async_shutdown)
# start on startup
if config.get(CONF_INITIAL_STATE):
@asyncio.coroutine
def async_start(event):
"""Start ffmpeg."""
yield from entity.async_start_ffmpeg()
hass.bus.async_listen_once(
EVENT_HOMEASSISTANT_START, async_start)
# add to system
yield from async_add_devices([entity])
# exists service?
if hass.services.has_service(DOMAIN, SERVICE_RESTART):
hass.data[DATA_FFMPEG_DEVICE].append(entity)
return
hass.data[DATA_FFMPEG_DEVICE] = [entity]
descriptions = yield from hass.loop.run_in_executor(
None, load_yaml_config_file,
os.path.join(os.path.dirname(__file__), 'services.yaml'))
# register service
@asyncio.coroutine
def async_service_handle(service):
"""Handle service binary_sensor.ffmpeg_restart."""
entity_ids = service.data.get('entity_id')
if entity_ids:
_devices = [device for device in hass.data[DATA_FFMPEG_DEVICE]
if device.entity_id in entity_ids]
else:
_devices = hass.data[DATA_FFMPEG_DEVICE]
tasks = []
for device in _devices:
if service.service == SERVICE_START:
tasks.append(device.async_start_ffmpeg())
elif service.service == SERVICE_STOP:
tasks.append(device.async_shutdown_ffmpeg())
else:
tasks.append(device.async_restart_ffmpeg())
if tasks:
yield from asyncio.wait(tasks, loop=hass.loop)
hass.services.async_register(
DOMAIN, SERVICE_START, async_service_handle,
descriptions.get(SERVICE_START), schema=SERVICE_FFMPEG_SCHEMA)
hass.services.async_register(
DOMAIN, SERVICE_STOP, async_service_handle,
descriptions.get(SERVICE_STOP), schema=SERVICE_FFMPEG_SCHEMA)
hass.services.async_register(
DOMAIN, SERVICE_RESTART, async_service_handle,
descriptions.get(SERVICE_RESTART), schema=SERVICE_FFMPEG_SCHEMA)
class FFmpegBinarySensor(BinarySensorDevice):
"""A binary sensor which use ffmpeg for noise detection."""
def __init__(self, hass, ffobj, config):
"""Constructor for binary sensor noise detection."""
self._manager = hass.data[DATA_FFMPEG]
self._state = False
self._config = config
self._name = config.get(CONF_NAME)
self._ffmpeg = ffobj(
self._manager.binary, hass.loop, self._async_callback)
def _async_callback(self, state):
"""HA-FFmpeg callback for noise detection."""
self._state = state
self.hass.async_add_job(self.async_update_ha_state())
def async_start_ffmpeg(self):
"""Start a FFmpeg instance.
This method must be run in the event loop and returns a coroutine.
"""
raise NotImplementedError()
def async_shutdown_ffmpeg(self):
"""For STOP event to shutdown ffmpeg.
This method must be run in the event loop and returns a coroutine.
"""
return self._ffmpeg.close()
@asyncio.coroutine
def async_restart_ffmpeg(self):
"""Restart processing."""
yield from self.async_shutdown_ffmpeg()
yield from self.async_start_ffmpeg()
@property
def is_on(self):
"""True if the binary sensor is on."""
return self._state
@property
def should_poll(self):
"""Return True if entity has to be polled for state."""
return False
@property
def name(self):
"""Return the name of the entity."""
return self._name
@property
def available(self):
"""Return True if entity is available."""
return self._ffmpeg.is_running
class FFmpegNoise(FFmpegBinarySensor):
"""A binary sensor which use ffmpeg for noise detection."""
def async_start_ffmpeg(self):
"""Start a FFmpeg instance.
This method must be run in the event loop and returns a coroutine.
"""
# init config
self._ffmpeg.set_options(
time_duration=self._config.get(CONF_DURATION),
time_reset=self._config.get(CONF_RESET),
peak=self._config.get(CONF_PEAK),
)
# run
return self._ffmpeg.open_sensor(
input_source=self._config.get(CONF_INPUT),
output_dest=self._config.get(CONF_OUTPUT),
extra_cmd=self._config.get(CONF_EXTRA_ARGUMENTS),
)
@property
def sensor_class(self):
"""Return the class of this sensor, from SENSOR_CLASSES."""
return "sound"
class FFmpegMotion(FFmpegBinarySensor):
"""A binary sensor which use ffmpeg for noise detection."""
def async_start_ffmpeg(self):
"""Start a FFmpeg instance.
This method must be run in the event loop and returns a coroutine.
"""
# init config
self._ffmpeg.set_options(
time_reset=self._config.get(CONF_RESET),
time_repeat=self._config.get(CONF_REPEAT_TIME),
repeat=self._config.get(CONF_REPEAT),
changes=self._config.get(CONF_CHANGES),
)
# run
return self._ffmpeg.open_sensor(
input_source=self._config.get(CONF_INPUT),
extra_cmd=self._config.get(CONF_EXTRA_ARGUMENTS),
)
@property
def sensor_class(self):
"""Return the class of this sensor, from SENSOR_CLASSES."""
return "motion"