core/homeassistant/components/ffmpeg.py

87 lines
2.2 KiB
Python

"""
Component that will help set the ffmpeg component.
For more details about this component, please refer to the documentation at
https://home-assistant.io/components/ffmpeg/
"""
import asyncio
import logging
import voluptuous as vol
import homeassistant.helpers.config_validation as cv
from homeassistant.util.async import run_coroutine_threadsafe
DOMAIN = 'ffmpeg'
REQUIREMENTS = ["ha-ffmpeg==0.15"]
_LOGGER = logging.getLogger(__name__)
CONF_INPUT = 'input'
CONF_FFMPEG_BIN = 'ffmpeg_bin'
CONF_EXTRA_ARGUMENTS = 'extra_arguments'
CONF_OUTPUT = 'output'
CONF_RUN_TEST = 'run_test'
DEFAULT_BINARY = 'ffmpeg'
DEFAULT_RUN_TEST = True
CONFIG_SCHEMA = vol.Schema({
DOMAIN: vol.Schema({
vol.Optional(CONF_FFMPEG_BIN, default=DEFAULT_BINARY): cv.string,
vol.Optional(CONF_RUN_TEST, default=DEFAULT_RUN_TEST): cv.boolean,
}),
}, extra=vol.ALLOW_EXTRA)
FFMPEG_CONFIG = {
CONF_FFMPEG_BIN: DEFAULT_BINARY,
CONF_RUN_TEST: DEFAULT_RUN_TEST,
}
FFMPEG_TEST_CACHE = {}
def setup(hass, config):
"""Setup the FFmpeg component."""
if DOMAIN in config:
FFMPEG_CONFIG.update(config.get(DOMAIN))
return True
def get_binary():
"""Return ffmpeg binary from config.
Async friendly.
"""
return FFMPEG_CONFIG.get(CONF_FFMPEG_BIN)
def run_test(hass, input_source):
"""Run test on this input. TRUE is deactivate or run correct."""
return run_coroutine_threadsafe(
async_run_test(hass, input_source), hass.loop).result()
@asyncio.coroutine
def async_run_test(hass, input_source):
"""Run test on this input. TRUE is deactivate or run correct.
This method must be run in the event loop.
"""
from haffmpeg import TestAsync
if FFMPEG_CONFIG.get(CONF_RUN_TEST):
# if in cache
if input_source in FFMPEG_TEST_CACHE:
return FFMPEG_TEST_CACHE[input_source]
# run test
ffmpeg_test = TestAsync(get_binary(), loop=hass.loop)
success = yield from ffmpeg_test.run_test(input_source)
if not success:
_LOGGER.error("FFmpeg '%s' test fails!", input_source)
FFMPEG_TEST_CACHE[input_source] = False
return False
FFMPEG_TEST_CACHE[input_source] = True
return True