Complete refactor
This commit is contained in:
Michael Hansen
@@ -2,32 +2,17 @@
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import argparse
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import asyncio
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import logging
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import math
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import shlex
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import sys
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import time
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import uuid
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import wave
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from enum import Enum
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from functools import partial
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from pathlib import Path
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from typing import Callable, Final, Iterator, List, Optional, Union
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from typing import List, Optional
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from pyring_buffer import RingBuffer
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from wyoming.asr import Transcribe, Transcript
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from wyoming.audio import AudioChunk, AudioStart, AudioStop
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from wyoming.client import AsyncClient
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from wyoming.error import Error
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from wyoming.event import Event
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from wyoming.info import Attribution, Describe, Info, Satellite
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from wyoming.mic import MicProcessAsyncClient
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from wyoming.pipeline import PipelineStage, RunPipeline
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from wyoming.satellite import RunSatellite
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from wyoming.server import AsyncEventHandler, AsyncServer, AsyncTcpServer
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from wyoming.snd import SndProcessAsyncClient
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from wyoming.tts import Synthesize
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from wyoming.vad import VoiceStarted, VoiceStopped
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from wyoming.wake import Detect, Detection, WakeProcessAsyncClient
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from .satellite import (
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AlwaysStreamingSatellite,
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@@ -43,13 +28,11 @@ from .settings import (
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VadSettings,
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WakeSettings,
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)
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from .utils import AudioBuffer, chunk_samples, multiply_volume, run_event_command
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from .utils import run_event_command
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_LOGGER = logging.getLogger()
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_DIR = Path(__file__).parent
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# TODO: events service
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async def main() -> None:
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"""Main entry point."""
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@@ -396,59 +379,9 @@ class SatelliteEventHandler(AsyncEventHandler):
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self.client_id = str(time.monotonic_ns())
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self.satellite = satellite
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# self.is_running = True
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# self.state: Optional[Satellite] = None
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# self.after_tts_state: Optional[Satellite] = None
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# self.satellite_task: Optional[asyncio.Task] = None
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# self.mic_volume_multiplier = self.cli_args.mic_volume_multiplier
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# self.has_mic_audio_processing = needs_webrtc(self.cli_args) or (
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# self.mic_volume_multiplier != 1.0
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# )
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# self.process_webrtc: Optional[Callable[[bytes], bytes]] = None
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# if needs_webrtc(self.cli_args):
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# self.process_webrtc = WebRtcAudio(
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# self.cli_args.auto_gain, self.cli_args.noise_suppression
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# )
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# self.has_wake = bool(self.cli_args.wake_uri or self.cli_args.wake_command)
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# self.has_snd = bool(self.cli_args.snd_uri or self.cli_args.snd_command)
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# self.snd_client: Optional[AsyncClient] = None
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# self.snd_volume_multiplier = self.cli_args.snd_volume_multiplier
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# self.has_snd_audio_processing = self.snd_volume_multiplier != 1.0
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# self.process_vad: Optional[Callable[[Optional[bytes]], bool]] = None
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# self.vad_buffer: Optional[RingBuffer] = None
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# if needs_silero(self.cli_args):
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# self.process_vad = SileroVad(
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# self.cli_args.vad_threshold, self.cli_args.vad_trigger_level
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# )
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# if self.cli_args.vad_buffer_seconds > 0:
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# # Assume 16Khz, 16-bit mono samples
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# vad_buffer_bytes = int(
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# math.ceil(self.cli_args.vad_buffer_seconds * 16000 * 2)
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# )
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# self.vad_buffer = RingBuffer(vad_buffer_bytes)
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# self.events_client: Optional[AsyncClient] = None
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# self.server_state = server_state
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# self.server_state.current_client_id = self.client_id
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_LOGGER.debug("Client connected: %s", self.client_id)
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self.satellite.set_server(self.client_id, self.writer)
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# self._stop_if_new_client_task = asyncio.create_task(self._stop_if_new_client())
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# async def _stop_if_new_client(self) -> None:
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# """Stop this event handler if a new client connects."""
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# while self.is_running:
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# if self.server_state.current_client_id != self.client_id:
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# self.is_running = False
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# _LOGGER.debug("Detected new client. Stopping old client.")
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# else:
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# await asyncio.sleep(1)
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# -------------------------------------------------------------------------
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async def handle_event(self, event: Event) -> bool:
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@@ -466,511 +399,6 @@ class SatelliteEventHandler(AsyncEventHandler):
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return True
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# async def handle_event(self, event: Event) -> bool:
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# """Handle events from the server."""
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# if Describe.is_type(event.type):
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# await self.write_event(self.wyoming_info_event)
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# _LOGGER.debug("Sent info to client: %s", self.client_id)
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# return True
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# if RunSatellite.is_type(event.type) and (self.satellite_task is None):
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# if self.has_wake:
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# # Local wake word detection
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# self.state = SatelliteState.WAKE_START
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# self.satellite_task = asyncio.create_task(self.run_satellite_wake())
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# else:
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# # Remote wake word detection
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# self.state = SatelliteState.VAD_RESET
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# self.satellite_task = asyncio.create_task(self.run_satellite())
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# elif Transcript.is_type(event.type):
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# if self.cli_args.done_wav:
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# self.state = SatelliteState.PLAYING_AUDIO
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# await self._play_wav(self.cli_args.done_wav)
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# # STT transcript
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# await self._forward_event(event)
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# _LOGGER.debug("-> %s", event)
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# if self.has_wake:
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# # Ready for next wake word detection
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# self.state = SatelliteState.WAKE_START
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# else:
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# self.state = SatelliteState.VAD_RESET
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# elif self.has_snd and (
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# AudioStart.is_type(event.type)
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# or AudioChunk.is_type(event.type)
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# or AudioStop.is_type(event.type)
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# ):
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# if AudioStart.is_type(event.type):
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# # TTS start
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# await self._ensure_snd_client()
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# if self.snd_client is not None:
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# await self.snd_client.connect()
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# # State will be restored when audio ends
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# self.after_tts_state = self.state
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# self.state = SatelliteState.PLAYING_AUDIO
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# await self._forward_event(event)
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# _LOGGER.debug("-> %s", event)
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# elif AudioChunk.is_type(event.type) and (self.snd_client is not None):
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# # Forward to sound service
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# event = self._process_snd_audio(event)
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# await self.snd_client.write_event(event)
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# elif AudioStop.is_type(event.type):
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# # TTS stop
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# await self._forward_event(event)
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# _LOGGER.debug("-> %s", event)
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# if self.snd_client is not None:
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# await self.snd_client.disconnect()
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# self.snd_client = None
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# if self.after_tts_state is not None:
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# # Restore state after playing audio
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# self.state = self.after_tts_state
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# self.after_tts_state = None
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# elif Detection.is_type(event.type):
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# if self.cli_args.awake_wav:
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# last_state = self.state
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# self.state = SatelliteState.PLAYING_AUDIO
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# await self._play_wav(self.cli_args.awake_wav)
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# self.state = last_state
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# await self._forward_event(event)
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# _LOGGER.debug("-> %s", event)
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# elif (
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# Detect.is_type(event.type)
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# or Transcribe.is_type(event.type)
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# or VoiceStarted.is_type(event.type)
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# or VoiceStopped.is_type(event.type)
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# or Synthesize.is_type(event.type)
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# ):
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# # Other client events:
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# # - Detect for start of wake word detection
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# # - Transcribe for when STT starts
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# # - VoiceStarted/VoiceStopped for when user starts/stops speaking
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# # - Synthesize for TTS text
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# await self._forward_event(event)
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# _LOGGER.debug("-> %s", event)
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# elif Error.is_type(event.type):
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# await self._forward_event(event)
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# _LOGGER.warning(event)
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# else:
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# _LOGGER.debug("Unexpected event: type=%s, data=%s", event.type, event.data)
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# return True
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# async def disconnect(self) -> None:
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# self.is_running = False
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# # -------------------------------------------------------------------------
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# # Tasks
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# # -------------------------------------------------------------------------
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# async def run_satellite(self) -> None:
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# """Task to read mic input and do remote wake word detection."""
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# vad_timeout_sec: Optional[float] = None
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# try:
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# mic_client = self._make_mic_client()
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# async with mic_client:
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# while self.is_running:
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# mic_event = await mic_client.read_event()
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# if mic_event is None:
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# _LOGGER.warning("Microphone service disconnected")
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# break
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# if not AudioChunk.is_type(mic_event.type):
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# continue
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# mic_event = self._process_mic_audio(mic_event)
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# if self.state == SatelliteState.VAD_RESET:
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# # Reset vad state
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# if self.process_vad is not None:
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# self.process_vad(None)
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# if self.vad_buffer is not None:
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# self.vad_buffer.put(bytes(self.vad_buffer.maxlen))
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# self.state = SatelliteState.VAD_WAIT
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# if self.process_vad is not None:
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# _LOGGER.info("Waiting for speech")
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# if self.state == SatelliteState.VAD_WAIT:
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# if self.process_vad is None:
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# # No VAD
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# self.state = SatelliteState.ASR
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# _LOGGER.info("Streaming audio")
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# # Start pipeline
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# await self._run_pipeline(PipelineStage.WAKE)
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# else:
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# # Wait for speech
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# chunk = AudioChunk.from_event(mic_event)
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# if self.process_vad(chunk.audio):
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# # Ready to stream
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# self.state = SatelliteState.WAKE
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# # Start pipeline
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# await self._run_pipeline(PipelineStage.WAKE)
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# if self.vad_buffer:
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# # Send contents of VAD buffer first
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# await self.write_event(
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# AudioChunk(
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# rate=chunk.rate,
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# width=chunk.width,
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# channels=chunk.channels,
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# audio=self.vad_buffer.getvalue(),
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# ).event()
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# )
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# if self.cli_args.vad_wake_word_timeout is not None:
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# # Time in the future when timeout will occur
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# vad_timeout_sec = (
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# time.monotonic()
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# + self.cli_args.vad_wake_word_timeout
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# )
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# else:
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# # No timeout
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# vad_timeout_sec = None
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# _LOGGER.info("Streaming audio")
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# elif self.vad_buffer is not None:
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# # Save audio right before speech
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# self.vad_buffer.put(chunk.audio)
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# if self.state == SatelliteState.WAKE:
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# if (vad_timeout_sec is not None) and (
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# time.monotonic() >= vad_timeout_sec
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# ):
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# # Wake word was not detected within timeout
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# self.state = SatelliteState.VAD_RESET
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# # Cancel current pipeline with audio stop
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# chunk = AudioChunk.from_event(mic_event)
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# await self.write_event(AudioStop().event())
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# continue
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# # Remote wake word detection
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# await self.write_event(mic_event)
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# elif self.state == SatelliteState.ASR:
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# # Forward all audio to server
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# await self.write_event(mic_event)
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# except ConnectionResetError:
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# _LOGGER.info("Server disconnected")
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# except Exception:
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# _LOGGER.exception("Unexpected error in run_satellite")
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# async def run_satellite_wake(self) -> None:
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# """Task to read mic input and do local wake word detection."""
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# try:
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# mic_client = self._make_mic_client()
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# wake_client = await self._connect_to_wake()
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# async with mic_client, wake_client:
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# # Read events in parallel
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# mic_task = asyncio.create_task(mic_client.read_event())
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# wake_task = asyncio.create_task(wake_client.read_event())
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# pending = {mic_task, wake_task}
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# while self.is_running:
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# if self.state == SatelliteState.WAKE_START:
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# # Send detect event
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# _LOGGER.info("Detecting wake word")
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# if self.cli_args.wake_word_name:
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# # Request specific wake word(s)
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# detect_event = Detect(
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# names=self.cli_args.wake_word_name
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# ).event()
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# else:
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# detect_event = Detect().event()
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# _LOGGER.debug("<- %s", detect_event)
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# await wake_client.write_event(detect_event)
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# await self._forward_event(detect_event)
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# self.state = SatelliteState.WAKE
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# # Wait for mic/wake events
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# done, pending = await asyncio.wait(
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# pending, return_when=asyncio.FIRST_COMPLETED
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# )
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# if mic_task in done:
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# mic_event = mic_task.result()
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# if mic_event is None:
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# _LOGGER.warning("Microphone service disconnected")
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# break
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# if AudioChunk.is_type(mic_event.type):
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# mic_event = self._process_mic_audio(mic_event)
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# # Forward to wake service
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# await wake_client.write_event(mic_event)
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# if self.state == SatelliteState.ASR:
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# # Forward to server
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# await self.write_event(mic_event)
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# # Next audio chunk
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# mic_task = asyncio.create_task(mic_client.read_event())
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# pending.add(mic_task)
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# elif wake_task in done:
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# wake_event = wake_task.result()
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# if wake_event is None:
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# _LOGGER.warning("Wake word service disconnected")
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# break
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# if Detection.is_type(wake_event.type) and (
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# self.state == SatelliteState.WAKE
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# ):
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# _LOGGER.debug("Wake word detected: %s", wake_event)
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# if self.cli_args.awake_wav:
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# self.state = SatelliteState.PLAYING_AUDIO
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# await self._play_wav(self.cli_args.awake_wav)
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# self.state = SatelliteState.ASR
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# # Start pipeline
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# await self._run_pipeline(PipelineStage.ASR)
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# # Forward to server
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# await self.write_event(wake_event)
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# # Forward to client
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# await self._forward_event(wake_event)
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# _LOGGER.info("Streaming audio")
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# # Next wake event
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# wake_task = asyncio.create_task(wake_client.read_event())
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# pending.add(wake_task)
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# except ConnectionResetError:
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# _LOGGER.info("Server disconnected")
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# except Exception:
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# _LOGGER.exception("Unexpected error in run_satellite")
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# async def _connect_to_wake(self) -> AsyncClient:
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# assert self.cli_args.wake_uri or self.cli_args.wake_command
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# if self.cli_args.wake_command:
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# _LOGGER.debug("Running %s", self.cli_args.wake_command)
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# program, *program_args = shlex.split(self.cli_args.wake_command)
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# return WakeProcessAsyncClient(
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# rate=self.cli_args.wake_command_rate,
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# width=self.cli_args.wake_command_width,
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# channels=self.cli_args.wake_command_channels,
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# program=program,
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# program_args=program_args,
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# )
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# while True:
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# try:
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# _LOGGER.debug("Connecting to %s", self.cli_args.wake_uri)
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# return AsyncClient.from_uri(self.cli_args.wake_uri)
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# except (ConnectionError, OSError):
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# _LOGGER.exception(
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# "Unexpected error connecting to wake service. "
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# "Reconnecting in %s second(s)",
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# _WAKE_RECONNECT_SECONDS,
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# )
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# await asyncio.sleep(_WAKE_RECONNECT_SECONDS)
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# # -------------------------------------------------------------------------
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# def _make_mic_client(self) -> AsyncClient:
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# """Create mic client."""
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# if self.cli_args.mic_command:
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# _LOGGER.debug("Running %s", self.cli_args.mic_command)
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# program, *program_args = shlex.split(self.cli_args.mic_command)
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# return MicProcessAsyncClient(
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# rate=self.cli_args.mic_command_rate,
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# width=self.cli_args.mic_command_width,
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||||
# channels=self.cli_args.mic_command_channels,
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# samples_per_chunk=self.cli_args.mic_command_samples_per_chunk,
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||||
# program=program,
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||||
# program_args=program_args,
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# )
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||||
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||||
# assert self.cli_args.mic_uri
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||||
# _LOGGER.debug("Connecting to %s", self.cli_args.mic_uri)
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||||
# return AsyncClient.from_uri(self.cli_args.mic_uri)
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||||
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||||
# async def _ensure_snd_client(self) -> None:
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# """Create snd client if necessary."""
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||||
# if (not self.has_snd) or (self.snd_client is not None):
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||||
# return
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||||
|
||||
# if self.cli_args.snd_command:
|
||||
# _LOGGER.debug("Running %s", self.cli_args.snd_command)
|
||||
# program, *program_args = shlex.split(self.cli_args.snd_command)
|
||||
# self.snd_client = SndProcessAsyncClient(
|
||||
# rate=self.cli_args.snd_command_rate,
|
||||
# width=self.cli_args.snd_command_width,
|
||||
# channels=self.cli_args.snd_command_channels,
|
||||
# program=program,
|
||||
# program_args=program_args,
|
||||
# )
|
||||
# else:
|
||||
# _LOGGER.debug("Connecting to %s", self.cli_args.snd_uri)
|
||||
# self.snd_client = AsyncClient.from_uri(self.cli_args.snd_uri)
|
||||
|
||||
# async def _run_pipeline(self, start_stage: PipelineStage) -> None:
|
||||
# """Tell server to start running the pipeline."""
|
||||
# await self.write_event(
|
||||
# RunPipeline(
|
||||
# start_stage=start_stage,
|
||||
# end_stage=PipelineStage.TTS if self.has_snd else PipelineStage.HANDLE,
|
||||
# ).event()
|
||||
# )
|
||||
|
||||
# if self.cli_args.streaming_start_command:
|
||||
# await run_event_command(self.cli_args.streaming_start_command)
|
||||
|
||||
# def _process_mic_audio(self, audio_event: Event) -> Event:
|
||||
# """Perform microphone audio processing, if necessary."""
|
||||
# if not self.has_mic_audio_processing:
|
||||
# # No processing needed
|
||||
# return audio_event
|
||||
|
||||
# chunk = AudioChunk.from_event(audio_event)
|
||||
# audio_bytes = chunk.audio
|
||||
|
||||
# if self.process_webrtc is not None:
|
||||
# audio_bytes = self.process_webrtc(audio_bytes)
|
||||
|
||||
# if self.mic_volume_multiplier != 1.0:
|
||||
# audio_bytes = multiply_volume(audio_bytes, self.mic_volume_multiplier)
|
||||
|
||||
# return AudioChunk(
|
||||
# rate=chunk.rate,
|
||||
# width=chunk.width,
|
||||
# channels=chunk.channels,
|
||||
# audio=audio_bytes,
|
||||
# ).event()
|
||||
|
||||
# def _process_snd_audio(self, audio_event: Event) -> Event:
|
||||
# """Perform output audio processing, if necessary."""
|
||||
# if not self.has_snd_audio_processing:
|
||||
# # No processing needed
|
||||
# return audio_event
|
||||
|
||||
# chunk = AudioChunk.from_event(audio_event)
|
||||
# audio_bytes = chunk.audio
|
||||
|
||||
# if self.snd_volume_multiplier != 1.0:
|
||||
# audio_bytes = multiply_volume(audio_bytes, self.snd_volume_multiplier)
|
||||
|
||||
# return AudioChunk(
|
||||
# rate=chunk.rate,
|
||||
# width=chunk.width,
|
||||
# channels=chunk.channels,
|
||||
# audio=audio_bytes,
|
||||
# ).event()
|
||||
|
||||
# async def _forward_event(self, event: Event) -> None:
|
||||
# """Forward a Wyoming event to a client and run event commands."""
|
||||
# if self.cli_args.detect_command and Detect.is_type(event.type):
|
||||
# # Wake word detection started
|
||||
# await run_event_command(self.cli_args.detect_command)
|
||||
# elif self.cli_args.detection_command and Detection.is_type(event.type):
|
||||
# # Wake word is detected
|
||||
# detection = Detection.from_event(event)
|
||||
# await run_event_command(self.cli_args.detection_command, detection.name)
|
||||
# elif self.cli_args.transcript_command and Transcript.is_type(event.type):
|
||||
# # STT text is available
|
||||
# transcript = Transcript.from_event(event)
|
||||
# await run_event_command(self.cli_args.transcript_command, transcript.text)
|
||||
# elif self.cli_args.stt_start_command and VoiceStarted.is_type(event.type):
|
||||
# # User starts speaking
|
||||
# await run_event_command(self.cli_args.stt_start_command)
|
||||
# elif self.cli_args.stt_stop_command and VoiceStopped.is_type(event.type):
|
||||
# # User stops speaking
|
||||
# await run_event_command(self.cli_args.stt_stop_command)
|
||||
# elif self.cli_args.synthesize_command and Synthesize.is_type(event.type):
|
||||
# # TTS text is available
|
||||
# synthesize = Synthesize.from_event(event)
|
||||
# await run_event_command(self.cli_args.synthesize_command, synthesize.text)
|
||||
# elif self.cli_args.tts_start_command and AudioStart.is_type(event.type):
|
||||
# # TTS audio start
|
||||
# await run_event_command(self.cli_args.tts_start_command)
|
||||
# elif self.cli_args.tts_stop_command and AudioStop.is_type(event.type):
|
||||
# # TTS audio stop
|
||||
# await run_event_command(self.cli_args.tts_stop_command)
|
||||
# elif self.cli_args.error_command and Error.is_type(event.type):
|
||||
# # Error occurred
|
||||
# error = Error.from_event(event)
|
||||
# await run_event_command(self.cli_args.error_command, error.text)
|
||||
|
||||
# if not self.cli_args.event_uri:
|
||||
# # No external service
|
||||
# return
|
||||
|
||||
# if self.events_client is None:
|
||||
# self.events_client = AsyncClient.from_uri(self.cli_args.event_uri)
|
||||
# _LOGGER.debug("Connecting to %s", self.cli_args.event_uri)
|
||||
# await self.events_client.connect()
|
||||
|
||||
# assert self.events_client is not None
|
||||
# await self.events_client.write_event(event)
|
||||
|
||||
# async def _play_wav(self, wav_path: Union[str, Path]) -> None:
|
||||
# """Send WAV file to snd client as audio chunks."""
|
||||
# await self._ensure_snd_client()
|
||||
|
||||
# if self.snd_client is None:
|
||||
# _LOGGER.debug("Cannot play WAV, no snd service")
|
||||
# return
|
||||
|
||||
# try:
|
||||
# async with self.snd_client:
|
||||
# for event in self._wav_to_events(wav_path):
|
||||
# await self.snd_client.write_event(event)
|
||||
# except Exception:
|
||||
# _LOGGER.exception("Unexpected error while playing WAV: %s", wav_path)
|
||||
# finally:
|
||||
# self.snd_client = None
|
||||
|
||||
# def _wav_to_events(
|
||||
# self, wav_path: Union[str, Path], samples_per_chunk: int = 1024
|
||||
# ) -> Iterator[Event]:
|
||||
# """Load WAV audio for playback on an event (wake/done)."""
|
||||
# with wave.open(str(wav_path), "rb") as wav_file:
|
||||
# rate = wav_file.getframerate()
|
||||
# width = wav_file.getsampwidth()
|
||||
# channels = wav_file.getnchannels()
|
||||
|
||||
# timestamp = 0
|
||||
# yield AudioStart(
|
||||
# rate=rate, width=width, channels=channels, timestamp=timestamp
|
||||
# ).event()
|
||||
|
||||
# audio_bytes = wav_file.readframes(samples_per_chunk)
|
||||
# while audio_bytes:
|
||||
# if self.snd_volume_multiplier != 1.0:
|
||||
# audio_bytes = multiply_volume(
|
||||
# audio_bytes, self.snd_volume_multiplier
|
||||
# )
|
||||
|
||||
# chunk = AudioChunk(
|
||||
# rate=rate,
|
||||
# width=width,
|
||||
# channels=channels,
|
||||
# audio=audio_bytes,
|
||||
# timestamp=timestamp,
|
||||
# )
|
||||
# yield chunk.event()
|
||||
# timestamp += int(chunk.seconds * 1000)
|
||||
# audio_bytes = wav_file.readframes(samples_per_chunk)
|
||||
|
||||
# yield AudioStop(timestamp=timestamp).event()
|
||||
|
||||
|
||||
# -----------------------------------------------------------------------------
|
||||
|
||||
|
||||
Reference in New Issue
Block a user