549 lines
22 KiB
Python
549 lines
22 KiB
Python
# basic
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import io
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import os
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import sys
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import time
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import json
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import random
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from collections import deque
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from datetime import datetime
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# log
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import logging
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import warnings
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# multiprocessing
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import queue
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import threading
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import multiprocessing
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# web request
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import requests
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import pyaudio
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# hot words detection
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import pvporcupine
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from takway.apps.data_struct import QueueIterator
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from takway.common_utils import *
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from takway.audio_utils import PicovoiceRecorder, HDRecorder
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from takway.clients.client_utils import BaseWebSocketClient
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from takway.audio_utils import AudioPlayer
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class WebSocketClinet:
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def __init__(self,
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board,
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server_args,
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recorder_args,
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player_args,
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log_args,
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excute_args=None,
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):
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self.board = board
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# server_args
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self.server_args = server_args
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# self.recorder_args
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self.recorder_args = recorder_args
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# player_args
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self.player_args = player_args
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# excute_args
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self.excute_args = excute_args
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# log_args
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self.log_args = log_args
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def process_init(self):
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# multiprocessing
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manager = multiprocessing.Manager()
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self.trigger_queue = manager.Queue()
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self.client_queue = manager.Queue()
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self.audio_play_queue = manager.Queue()
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self.excute_queue = manager.Queue()
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# 唤醒事件
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self.wakeup_event = manager.Event()
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self.sleep_event = manager.Event()
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# 打断事件
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# self.interrupt_event = manager.Event()
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# 监听事件
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self.listening_event = manager.Event()
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# 播放事件
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self.speaking_event = manager.Event()
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processes = [
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multiprocessing.Process(target=self.audio_process),
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multiprocessing.Process(target=self.web_socket_client_process),
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multiprocessing.Process(target=self.audio_play_process),
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]
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if self.excute_args.get('enable', False):
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processes.append(
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multiprocessing.Process(target=self.excute_process),
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)
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for process in processes:
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time.sleep(0.5)
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# time.sleep(2)
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process.start()
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for process in processes:
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process.join()
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def audio_process(self):
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"""audio_process
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Args:
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trigger_queue: multiprocessing.Queue, trigger queue
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client_queue: multiprocessing.Queue, client queue
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"""
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min_stream_record_time = self.recorder_args.pop('min_stream_record_time')
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voice_trigger = self.recorder_args.pop('voice_trigger')
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max_slience_time = self.recorder_args.pop('max_slience_time')
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if voice_trigger:
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recorder = PicovoiceRecorder(**self.recorder_args)
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else:
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voice_keys = ['access_key', 'keywords', 'keyword_paths', 'model_path','sensitivities', 'library_path']
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for key in voice_keys:
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self.recorder_args.pop(key)
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recorder = HDRecorder(**self.recorder_args)
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recorder.min_stream_record_time = min_stream_record_time
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recorder.max_slience_time = max_slience_time
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# self.hardware = recorder.hardware
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# self.long_power_status = recorder.hardware.long_power_status
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print(f"recorder.min_act_time: {recorder.min_act_time}")
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print(f"recorder.max_slience_time: {recorder.max_slience_time}")
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print("Audio Process started.")
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# create threads
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threads = [threading.Thread(target=self.hardware_trigger_thread, args=(recorder,))]
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if voice_trigger:
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vioce_threads = [
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threading.Thread(target=self.voice_trigger_thread, args=(recorder,)),
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]
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threads.extend(vioce_threads)
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for thread in threads:
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thread.start()
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print("Audio Process started.")
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while True:
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for thread in threads:
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thread.join()
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print(f"audio process exit") ; exit()
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def hardware_trigger_thread(self, recorder):
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"""hardware_trigger_thread
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Args:
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recorder: takway.audio_utils.Recorder, recorder object
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"""
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print("Hardware trigger thread started.")
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# last_short_power_status = False
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board = self.board
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while True:
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# 开关按键被按下
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if recorder.hardware.long_power_status:
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self.wakeup_event.set()
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'''
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# 短时按键被按下，打断
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if recorder.hardware.short_power_status and not last_short_power_status:
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# self.interrupt_event.set()
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recorder.hardware.short_power_status = False
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# print("Interrupt conversation.")
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last_short_power_status = recorder.hardware.short_power_status
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'''
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else:
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self.wakeup_event.clear()
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time.sleep(0.01)
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def voice_trigger_thread(self, recorder):
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"""voice_trigger_thread
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Args:
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recorder: takway.audio_utils.Recorder, recorder object
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"""
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board = self.board
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print("Waiting for wake up...")
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while True:
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data = recorder.record_chunk_voice(
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CHUNK=recorder.porcupine.frame_length,
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return_type=None,
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exception_on_overflow=False,
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queue=None)
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record_chunk_size = recorder.vad_chunk_size
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# 开关按键被按下或被关键词唤醒
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if self.wakeup_event.is_set():
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print(f"{datetime.now()}: Wake up by button.")
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else:
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if self.sleep_event.is_set():
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print(f"{datetime.now()}: stay sleep mode.")
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recorder.hardware.long_power_status = False
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self.sleep_event.clear()
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continue
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if recorder.is_wakeup(data):
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recorder.hardware.long_power_status = True
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self.wakeup_event.set()
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print(f"{datetime.now()}: wake up by voice.")
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else:
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recorder.hardware.long_power_status = False
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continue
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# 设置为倾听模式
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self.listening_event.set()
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self.speaking_event.clear()
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# wake up
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is_bgn = True
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is_end = False
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frames = []
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# status buffer
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single_chat_finish = False
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slience_bgn_t = time.time()
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slience_time = 0
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print("Start recording...")
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# 准备对话状态
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while True:
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if self.sleep_event.is_set():
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print(f"{datetime.now()}: sleep mode.")
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recorder.hardware.long_power_status = False
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self.sleep_event.clear()
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break
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if not self.wakeup_event.is_set():
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break
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if self.listening_event.is_set():
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# 语音活动检测
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data = recorder.record_chunk_voice(
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CHUNK=record_chunk_size,
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return_type=None,
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exception_on_overflow=False)
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is_speech = recorder.is_speech(data)
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# 判断状态
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if is_speech:
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# print(f"{datetime.now()}: valid voice")
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slience_bgn_t = time.time()
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frames.append(data)
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slience_time = time.time() - slience_bgn_t
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# 长时沉默关闭唤醒状态：如果唤醒后超过一定时间没有说话/关闭按键被按下，则认为是结束
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if slience_time > recorder.max_slience_time:
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recorder.hardware.long_power_status = False
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self.wakeup_event.clear()
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break
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# 短时沉默结束单次对话：沉默时间超过一定时间段（0.5s左右），则发送数据
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if slience_time > recorder.min_act_time:
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single_chat_finish = True
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if single_chat_finish:
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is_end = True
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is_bgn = False
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# print(f"{datetime.now()}: slience_time: {slience_time}")
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# 流式发送数据
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stream_reset_status = self.stream_record_process(
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bytes_frames=recorder.write_wave_bytes(frames),
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frames_size=len(frames),
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record_chunk_size=record_chunk_size,
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sample_rate=recorder.RATE,
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min_stream_record_time=recorder.min_stream_record_time,
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is_bgn=is_bgn,
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is_end=is_end)
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# print(f"stream_reset_status: {stream_reset_status}, is_bgn: {is_bgn}, is_end: {is_end}, frame: {len(frames)}")
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if stream_reset_status:
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frames.clear()
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is_bgn = False
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if single_chat_finish:
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is_bgn = True
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is_end = False
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single_chat_finish = False
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print(f"{datetime.now()}: single conversation finish, reset frames.")
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elif self.speaking_event.is_set():
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print(f"{datetime.now()}: wait for speaking finished and listening started or sleep mode.")
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if board == 'orangepi':
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recorder.hardware.set_led_on("blue")
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while self.wakeup_event.is_set():
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# 睡眠 or 监听状态
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if self.sleep_event.is_set() or self.listening_event.is_set():
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break
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# if self.interrupt_event.is_set():
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# print(f"{datetime.now()}: button interrupt (input).")
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# break
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if board == 'orangepi':
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recorder.hardware.set_led_off("blue")
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# 重新计时
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slience_bgn_t = time.time()
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print(f"{datetime.now()}: restart listening.")
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def stream_record_process(self,
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bytes_frames: bytes,
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frames_size: int,
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record_chunk_size: int,
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sample_rate: int,
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min_stream_record_time: int,
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is_bgn: bool,
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is_end: bool):
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'''
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Args:
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bytes_frames: bytes, audio data
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frames_size: int, audio data size
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record_chunk_size: int, audio data chunk size
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is_bgn: bool, is begin of stream
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is_end: bool, is end of stream
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Returns:
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bool, if stream reset status
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'''
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if len(bytes_frames) == 0:
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return False
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if frames_size*record_chunk_size >= min_stream_record_time*sample_rate or is_end:
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if is_bgn and is_end:
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return False
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stream_data = dict(
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frames=bytes_frames,
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frames_size=frames_size,
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chunk_size=record_chunk_size,
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is_bgn=is_bgn,
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is_end=is_end)
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self.client_queue.put(('audio', stream_data))
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if is_end:
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# print("put None to client queue.")
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self.client_queue.put(None)
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return True
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else:
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return False
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def web_socket_client_process(self):
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client = BaseWebSocketClient(self.server_args['server_url'], self.server_args['session_id'])
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print("Web socket client process started.")
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# print("Web socket client process started.")
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while True:
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if self.client_queue.empty():
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continue
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print(f"{datetime.now()}: start setup web socket connection.")
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# 第一级：唤醒状态下，连接服务器
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if self.wakeup_event.is_set():
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client.wakeup_client()
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else:
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print(f"not wake up, skip setup web socket connection.")
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self.client_queue.get(block=False)
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continue
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# 播放状态下，不连接服务器
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if self.speaking_event.is_set():
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print(f"speaking, skip setup web socket connection.")
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self.client_queue.get(block=False)
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continue
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# 发送数据
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for queue_data in QueueIterator(self.client_queue):
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# 发送音频数据
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if queue_data[0] == 'audio':
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# 当唤醒状态被关闭时，退出循环
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if not self.wakeup_event.is_set():
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self.listening_event.clear()
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self.speaking_event.clear()
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client.close_client()
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break
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# 播放时不得发送数据，默认废消息
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if self.speaking_event.is_set() and not self.listening_event.is_set():
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client.close_client()
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break
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audio_dict = queue_data[1]
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try:
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client.send_per_data(
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audio=audio_dict['frames'],
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stream=True,
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voice_synthesize=True,
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is_end=audio_dict['is_end'],
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encoding='base64',
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)
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except BrokenPipeError:
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print(f"{datetime.now()}: web socket connection broken, skip send data.")
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self.listening_event.set()
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self.speaking_event.clear()
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client.close_client()
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break
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# is_end后切换播放模式
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if audio_dict['is_end']:
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self.listening_event.clear()
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self.speaking_event.clear()
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print(f"{datetime.now()}: Finished send data.")
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if not self.wakeup_event.is_set():
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continue
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if self.listening_event.is_set():
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print(f"{datetime.now()}: listening or speaking, skip setup web socket connection.")
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continue
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# 接收数据
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while True:
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# 当唤醒状态被关闭时，退出循环
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if not self.wakeup_event.is_set():
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self.listening_event.clear()
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self.speaking_event.clear()
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client.close_client()
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break
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print(f"{datetime.now()}: wait for receive data.")
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response, data_type = client.receive_per_data()
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if data_type == dict:
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print(f"{datetime.now()}: receive json data: {response}") # 打印接收到的消息
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# 5xx: 结束错误码处理
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if response['code'] in [501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545]:
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# 恢复录音状态
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self.listening_event.set()
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self.speaking_event.clear()
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break
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# 200: 正常结束
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elif response['code'] == 200:
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self.audio_play_queue.put(('audio_json', response))
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if response['type'] == 'close':
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break
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# 201: 切换沉默模式
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elif response['code'] == 201:
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self.listening_event.clear()
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self.speaking_event.clear()
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self.sleep_event.set() # 沉默状态下，关闭唤醒状态
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self.wakeup_event.clear()
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elif data_type == list:
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print(f"{datetime.now()}: receive text_audio_data")
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# 切换播放模式
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self.listening_event.clear()
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self.speaking_event.set()
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self.audio_play_queue.put(('text_audio_data', response))
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elif data_type == None:
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print(f"{datetime.now()}: receive None data, break loop.")
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# 切换录音模式
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self.listening_event.set()
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self.speaking_event.clear()
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# print(f"listening_event: {self.listening_event.is_set()}, speaking_event: {self.speaking_event.is_set()}")
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break # 如果没有接收到消息，则退出循环
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client.close_client()
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print(f"{datetime.now()}: web socket client closed.")
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def audio_play_process(self):
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'''
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Args:
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audio_play_queue: multiprocessing.Queue, audio play queue
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share_time_dict: multiprocessing.Manager.dict, shared time dict
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'''
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audio_player = AudioPlayer(**self.player_args)
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print("Audio play process started.")
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audio_list = []
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while True:
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print("wait for audio data.")
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item = self.audio_play_queue.get()
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# 唤醒状态
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if not self.wakeup_event.is_set():
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continue
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if item[0] == 'text_audio_data':
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# TODO: 判断bytes是否是最后一个，如果是最后一个，则播放完毕，切换监听模式
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audio_text, audio_data = item[1]
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print(f"{datetime.now()}: start playing audio.")
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print(f"{datetime.now()}: audio text: {audio_text}")
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if self.listening_event.is_set():
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continue
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if not self.speaking_event.is_set():
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continue
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audio_list.append(audio_data)
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# 播放音频
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try:
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tts_audio = audio_list[0] # 取出第一个音频
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# tts_audio = audio_player.check_audio_type(tts_audio, return_type=None)
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for i in range(0, len(tts_audio), audio_player.CHUNK):
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audio_player.stream.write(tts_audio[i:i+audio_player.CHUNK])
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# print("Playing {} data...{}/{}".format(item[0], i, len(tts_audio)))
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# 关闭状态
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if not self.wakeup_event.is_set():
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print(f"{datetime.now()}: microphone and speaker close.")
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self.listening_event.clear()
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self.speaking_event.clear()
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self.sleep_event.set() # 沉默状态下，关闭唤醒状态
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break
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if self.speaking_event.is_set():
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# 播放最后一段音频
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audio_player.stream.write(tts_audio[i+audio_player.CHUNK:])
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audio_list = [] # 清空音频列表
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# audio_list.pop(0) # 弹出已播放音频
|
||
print(f"{datetime.now()}: audio data played.")
|
||
else:
|
||
audio_list = [] # 清空音频列表
|
||
print(f"{datetime.now()}: audio data clear.")
|
||
continue
|
||
except TypeError as e:
|
||
print(f"audio play error: {e}")
|
||
continue
|
||
|
||
elif item[0] == 'audio_json':
|
||
data_type = item[1]['type']
|
||
print(f"data_type: {data_type}")
|
||
if self.wakeup_event.is_set():
|
||
if data_type == 'text':
|
||
if self.wakeup_event.is_set():
|
||
# 切换播放模式
|
||
self.listening_event.clear()
|
||
self.speaking_event.set()
|
||
if data_type in ['close', 'end']:
|
||
# 虽然程序到这里，但是扬声器不一定播放完毕，延迟用来避免问题
|
||
time.sleep(0.8)
|
||
if self.wakeup_event.is_set():
|
||
# 启动监听状态
|
||
self.speaking_event.clear()
|
||
self.listening_event.set()
|
||
|
||
|
||
|
||
|
||
"""
|
||
def excute_process(self):
|
||
'''
|
||
Args:
|
||
excute_queue: multiprocessing.Queue, excute display queue
|
||
'''
|
||
print("Excute process started.")
|
||
|
||
while True:
|
||
if self.excute_queue.empty():
|
||
continue
|
||
|
||
if self.speaker_active_set.is_set():
|
||
instruct, content = self.excute_queue.get()
|
||
|
||
print(f"Got speaker info: {instruct, content}")
|
||
|
||
print(f"Playing {instruct} {content}...")
|
||
print(f"play {instruct} time: {datetime.now()}")
|
||
self.audio_play_queue.put((instruct, content))
|
||
|
||
self.speaker_active_set.clear()
|
||
"""
|
||
|