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"""For HA sensor components."""
import asyncio
import logging
import re
from time import time
from typing import Callable, Coroutine, Optional
from .core import FFMPEG_STDOUT, HAFFmpegWorker
from .timeout import asyncio_timeout
_LOGGER = logging.getLogger(__name__)
class SensorNoise(HAFFmpegWorker):
"""Implement a noise detection on a autio stream."""
STATE_NONE = 0
STATE_NOISE = 1
STATE_END = 2
STATE_DETECT = 3
def __init__(self, ffmpeg_bin: str, callback: Callable):
"""Init noise sensor."""
super().__init__(ffmpeg_bin)
self._callback = callback
self._peak = -30
self._time_duration = 1
self._time_reset = 2
def set_options(
self, time_duration: int = 1, time_reset: int = 2, peak: int = -30
) -> None:
"""Set option parameter for noise sensor."""
self._time_duration = time_duration
self._time_reset = time_reset
self._peak = peak
def open_sensor(
self,
input_source: str,
output_dest: Optional[str] = None,
extra_cmd: Optional[str] = None,
) -> Coroutine:
"""Open FFmpeg process for read autio stream.
Return a coroutine.
"""
command = ["-vn", "-filter:a", f"silencedetect=n={self._peak}dB:d=1"]
# run ffmpeg, read output
return self.start_worker(
cmd=command,
input_source=input_source,
output=output_dest,
extra_cmd=extra_cmd,
pattern="silence",
)
async def _worker_process(self) -> None:
"""This function processing data."""
state = self.STATE_DETECT
timeout = self._time_duration
self._loop.call_soon(self._callback, False)
re_start = re.compile("silence_start")
re_end = re.compile("silence_end")
# process queue data
while True:
try:
_LOGGER.debug("Reading State: %d, timeout: %s", state, timeout)
async with asyncio_timeout(timeout):
data = await self._queue.get()
timeout = None
if data is None:
self._loop.call_soon(self._callback, None)
return
except asyncio.TimeoutError:
_LOGGER.debug("Blocking timeout")
# noise
if state == self.STATE_DETECT:
# noise detected
self._loop.call_soon(self._callback, True)
state = self.STATE_NOISE
elif state == self.STATE_END:
# no noise
self._loop.call_soon(self._callback, False)
state = self.STATE_NONE
timeout = None
continue
if re_start.search(data):
if state == self.STATE_NOISE:
# stop noise detection
state = self.STATE_END
timeout = self._time_reset
elif state == self.STATE_DETECT:
# reset if only a peak
state = self.STATE_NONE
continue
if re_end.search(data):
if state == self.STATE_NONE:
# detect noise begin
state = self.STATE_DETECT
timeout = self._time_duration
elif state == self.STATE_END:
# back to noise status
state = self.STATE_NOISE
continue
_LOGGER.warning("Unknown data from queue!")
class SensorMotion(HAFFmpegWorker):
"""Implement motion detection with ffmpeg scene detection."""
STATE_NONE = 0
STATE_REPEAT = 1
STATE_MOTION = 2
MATCH = r"\d,.*\d,.*\d,.*\d,.*\d,.*\w"
def __init__(self, ffmpeg_bin: str, callback: Callable):
"""Init motion sensor."""
super().__init__(ffmpeg_bin)
self._callback = callback
self._changes = 10
self._time_reset = 60
self._time_repeat = 0
self._repeat = 0
def set_options(
self,
time_reset: int = 60,
time_repeat: int = 0,
repeat: int = 0,
changes: int = 10,
) -> None:
"""Set option parameter for noise sensor."""
self._time_reset = time_reset
self._time_repeat = time_repeat
self._repeat = repeat
self._changes = changes
async def open_sensor(
self, input_source: str, extra_cmd: Optional[str] = None
) -> Coroutine:
"""Open FFmpeg process a video stream for motion detection.
Return a coroutine.
"""
command = [
"-an",
"-filter:v",
f"select=gt(scene\\,{self._changes / 100})",
]
# run ffmpeg, read output
return await self.start_worker(
cmd=command,
input_source=input_source,
output="-f framemd5 -",
extra_cmd=extra_cmd,
pattern=self.MATCH,
reading=FFMPEG_STDOUT,
)
async def _worker_process(self) -> None:
"""This function processing data."""
state = self.STATE_NONE
timeout = None
self._loop.call_soon(self._callback, False)
# for repeat feature
re_frame = 0
re_time = 0
re_data = re.compile(self.MATCH)
# process queue data
while True:
try:
_LOGGER.debug("Reading State: %d, timeout: %s", state, timeout)
async with asyncio_timeout(timeout):
data = await self._queue.get()
if data is None:
self._loop.call_soon(self._callback, None)
return
except asyncio.TimeoutError:
_LOGGER.debug("Blocking timeout")
# reset motion detection
if state == self.STATE_MOTION:
state = self.STATE_NONE
self._loop.call_soon(self._callback, False)
timeout = None
# reset repeate state
if state == self.STATE_REPEAT:
state = self.STATE_NONE
timeout = None
continue
frames = re_data.search(data)
if frames:
# repeat not used
if self._repeat == 0 and state == self.STATE_NONE:
state = self.STATE_MOTION
self._loop.call_soon(self._callback, True)
timeout = self._time_reset
# repeat feature is on / first motion
if state == self.STATE_NONE:
state = self.STATE_REPEAT
timeout = self._time_repeat
re_frame = 0
re_time = time()
elif state == self.STATE_REPEAT:
re_frame += 1
# REPEAT ready?
if re_frame >= self._repeat:
state = self.STATE_MOTION
self._loop.call_soon(self._callback, True)
timeout = self._time_reset
else:
past = time() - re_time
timeout -= past
# REPEAT time down
if timeout <= 0:
_LOGGER.debug("Reset repeat to none")
state = self.STATE_NONE
timeout = None
continue
_LOGGER.warning("Unknown data from queue!")
|
