core/homeassistant/components/demo/stt.py

79 lines
2.2 KiB
Python

"""Support for the demo for speech-to-text service."""
from __future__ import annotations
from collections.abc import AsyncIterable
from homeassistant.components.stt import (
AudioBitRates,
AudioChannels,
AudioCodecs,
AudioFormats,
AudioSampleRates,
SpeechMetadata,
SpeechResult,
SpeechResultState,
SpeechToTextEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
SUPPORT_LANGUAGES = ["en", "de"]
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Demo speech platform via config entry."""
async_add_entities([DemoProviderEntity()])
class DemoProviderEntity(SpeechToTextEntity):
"""Demo speech API provider entity."""
_attr_name = "Demo STT"
@property
def supported_languages(self) -> list[str]:
"""Return a list of supported languages."""
return SUPPORT_LANGUAGES
@property
def supported_formats(self) -> list[AudioFormats]:
"""Return a list of supported formats."""
return [AudioFormats.WAV]
@property
def supported_codecs(self) -> list[AudioCodecs]:
"""Return a list of supported codecs."""
return [AudioCodecs.PCM]
@property
def supported_bit_rates(self) -> list[AudioBitRates]:
"""Return a list of supported bit rates."""
return [AudioBitRates.BITRATE_16]
@property
def supported_sample_rates(self) -> list[AudioSampleRates]:
"""Return a list of supported sample rates."""
return [AudioSampleRates.SAMPLERATE_16000, AudioSampleRates.SAMPLERATE_44100]
@property
def supported_channels(self) -> list[AudioChannels]:
"""Return a list of supported channels."""
return [AudioChannels.CHANNEL_STEREO]
async def async_process_audio_stream(
self, metadata: SpeechMetadata, stream: AsyncIterable[bytes]
) -> SpeechResult:
"""Process an audio stream to STT service."""
# Read available data
async for _ in stream:
pass
return SpeechResult("Turn the Kitchen Lights on", SpeechResultState.SUCCESS)