336 lines
12 KiB
JavaScript
336 lines
12 KiB
JavaScript
import {
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ref,
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onUnmounted,
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onBeforeUnmount,
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onMounted
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} from 'vue'
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import {
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onHide,
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onUnload
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} from '@dcloudio/uni-app'
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import WavDecoder from '@/lib/wav-decoder@1.3.0.js'
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export function useTTSPlayer(wsUrl) {
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const isSpeaking = ref(false)
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const isPaused = ref(false)
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const isComplete = ref(false)
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const audioContext = new(window.AudioContext || window.webkitAudioContext)()
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let playTime = audioContext.currentTime
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let sourceNodes = []
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let socket = null
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let sampleRate = 16000
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let numChannels = 1
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let isHeaderDecoded = false
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let pendingText = null
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let currentPlayId = 0
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let activePlayId = 0
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const speak = (text) => {
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console.log('🎤 TTS speak function called');
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console.log('📝 Text to synthesize:', text ? text.substring(0, 100) + '...' : 'No text');
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console.log('🔗 WebSocket URL:', wsUrl);
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currentPlayId++
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const myPlayId = currentPlayId
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console.log('🆔 Play ID:', myPlayId);
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reset()
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pendingText = text
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activePlayId = myPlayId
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console.log('✅ Speak function setup complete');
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}
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const pause = () => {
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console.log('⏸️ TTS pause called');
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console.log('🔊 AudioContext state:', audioContext.state);
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console.log('🔊 Is speaking before pause:', isSpeaking.value);
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console.log('⏸️ Is paused before pause:', isPaused.value);
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if (audioContext.state === 'running') {
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audioContext.suspend()
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isPaused.value = true
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// 不要设置 isSpeaking.value = false，保持当前状态
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console.log('✅ Audio paused successfully');
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} else {
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console.log('⚠️ AudioContext is not running, cannot pause');
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}
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console.log('🔊 Is speaking after pause:', isSpeaking.value);
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console.log('⏸️ Is paused after pause:', isPaused.value);
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}
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const resume = () => {
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console.log('▶️ TTS resume called');
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console.log('🔊 AudioContext state:', audioContext.state);
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console.log('🔊 Is speaking before resume:', isSpeaking.value);
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console.log('⏸️ Is paused before resume:', isPaused.value);
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if (audioContext.state === 'suspended') {
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audioContext.resume()
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isPaused.value = false
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isSpeaking.value = true
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console.log('✅ Audio resumed successfully');
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} else {
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console.log('⚠️ AudioContext is not suspended, cannot resume');
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}
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console.log('🔊 Is speaking after resume:', isSpeaking.value);
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console.log('⏸️ Is paused after resume:', isPaused.value);
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}
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const cancelAudio = () => {
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stop()
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}
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const stop = () => {
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isSpeaking.value = false
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isPaused.value = false
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isComplete.value = false
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playTime = audioContext.currentTime
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sourceNodes.forEach(node => {
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try {
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node.stop()
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node.disconnect()
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} catch (e) {}
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})
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sourceNodes = []
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if (socket) {
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socket.close()
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socket = null
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}
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isHeaderDecoded = false
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pendingText = null
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}
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const reset = () => {
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stop()
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isSpeaking.value = false
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isPaused.value = false
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isComplete.value = false
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playTime = audioContext.currentTime
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initWebSocket()
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}
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const initWebSocket = () => {
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const thisPlayId = currentPlayId
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console.log('🔌 Initializing WebSocket connection');
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console.log('🔗 WebSocket URL:', wsUrl);
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console.log('🆔 This play ID:', thisPlayId);
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socket = new WebSocket(wsUrl)
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socket.binaryType = 'arraybuffer'
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// 设置心跳检测，避免超时
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const heartbeatInterval = setInterval(() => {
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if (socket && socket.readyState === WebSocket.OPEN) {
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socket.send(JSON.stringify({ type: 'ping' }));
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}
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}, 30000); // 每30秒发送一次心跳
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socket.onopen = () => {
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console.log('✅ WebSocket connection opened');
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if (pendingText && thisPlayId === activePlayId) {
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const seepdText = extractSpeechText(pendingText)
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console.log('📤 Sending text to TTS server:', seepdText.substring(0, 100) + '...');
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socket.send(seepdText)
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pendingText = null
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} else {
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console.log('❌ No pending text or play ID mismatch');
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console.log('📝 Pending text exists:', !!pendingText);
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console.log('🆔 Play ID match:', thisPlayId === activePlayId);
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}
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}
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socket.onerror = (error) => {
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console.error('❌ WebSocket error:', error);
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}
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socket.onclose = (event) => {
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console.log('🔌 WebSocket connection closed:', event.code, event.reason);
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clearInterval(heartbeatInterval);
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}
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socket.onmessage = async (e) => {
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if (thisPlayId !== activePlayId) return // 忽略旧播放的消息
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if (typeof e.data === 'string') {
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try {
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const msg = JSON.parse(e.data)
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console.log('📨 TTS server message:', msg);
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if (msg.status === 'complete') {
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console.log('✅ TTS synthesis completed');
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isComplete.value = true
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// 计算剩余播放时间，确保播放完整
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const remainingTime = Math.max(0, (playTime - audioContext.currentTime) * 1000);
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console.log('⏱️ Remaining play time:', remainingTime + 'ms');
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setTimeout(() => {
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if (thisPlayId === activePlayId) {
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console.log('🔇 TTS playback finished, setting isSpeaking to false');
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isSpeaking.value = false
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}
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}, remainingTime + 500) // 额外500ms缓冲时间
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}
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} catch (e) {
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console.log('[TTSPlayer] 文本消息:', e.data)
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}
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} else if (e.data instanceof ArrayBuffer) {
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if (!isHeaderDecoded) {
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try {
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const decoded = await WavDecoder.decode(e.data)
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sampleRate = decoded.sampleRate
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numChannels = decoded.channelData.length
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decoded.channelData.forEach((channel, i) => {
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const audioBuffer = audioContext.createBuffer(1, channel.length,
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sampleRate)
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audioBuffer.copyToChannel(channel, 0)
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playBuffer(audioBuffer)
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})
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isHeaderDecoded = true
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} catch (err) {
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console.error('WAV 解码失败:', err)
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}
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} else {
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const pcm = new Int16Array(e.data)
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const audioBuffer = pcmToAudioBuffer(pcm, sampleRate, numChannels)
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playBuffer(audioBuffer)
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}
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}
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}
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}
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const pcmToAudioBuffer = (pcm, sampleRate, numChannels) => {
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const length = pcm.length / numChannels
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const audioBuffer = audioContext.createBuffer(numChannels, length, sampleRate)
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for (let ch = 0; ch < numChannels; ch++) {
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const channelData = audioBuffer.getChannelData(ch)
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for (let i = 0; i < length; i++) {
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const sample = pcm[i * numChannels + ch]
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channelData[i] = sample / 32768
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}
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}
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return audioBuffer
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}
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const playBuffer = (audioBuffer) => {
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console.log('🎵 playBuffer called, duration:', audioBuffer.duration + 's');
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if (!isSpeaking.value) {
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playTime = audioContext.currentTime
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console.log('🎵 Starting new audio playback at time:', playTime);
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}
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const source = audioContext.createBufferSource()
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source.buffer = audioBuffer
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source.connect(audioContext.destination)
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source.start(playTime)
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sourceNodes.push(source)
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playTime += audioBuffer.duration
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isSpeaking.value = true
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console.log('🎵 Audio scheduled, new playTime:', playTime);
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// 添加音频播放结束监听
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source.onended = () => {
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console.log('🎵 Audio buffer finished playing');
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}
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}
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onUnmounted(() => {
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stop()
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})
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// 页面刷新/关闭时
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onMounted(() => {
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if (typeof window !== 'undefined') {
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window.addEventListener('beforeunload', cancelAudio)
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}
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})
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onBeforeUnmount(() => {
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cancelAudio()
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if (typeof window !== 'undefined') {
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window.removeEventListener('beforeunload', cancelAudio)
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}
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})
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onHide(cancelAudio)
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onUnload(cancelAudio)
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initWebSocket()
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return {
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speak,
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pause,
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resume,
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cancelAudio,
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isSpeaking,
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isPaused,
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isComplete
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}
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}
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function extractSpeechText(markdown) {
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console.log('🔍 extractSpeechText called');
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console.log('📝 Input markdown length:', markdown ? markdown.length : 0);
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console.log('📝 Input markdown preview:', markdown ? markdown.substring(0, 200) + '...' : 'No markdown');
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const jobRegex = /``` job-json\s*({[\s\S]*?})\s*```/g;
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const jobs = [];
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let match;
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let lastJobEndIndex = 0;
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let firstJobStartIndex = -1;
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// 提取岗位 json 数据及前后位置
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while ((match = jobRegex.exec(markdown)) !== null) {
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const jobStr = match[1];
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try {
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const job = JSON.parse(jobStr);
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jobs.push(job);
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if (firstJobStartIndex === -1) {
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firstJobStartIndex = match.index;
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}
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lastJobEndIndex = jobRegex.lastIndex;
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console.log('✅ Found job:', job.jobTitle);
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} catch (e) {
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console.warn('JSON 解析失败', e);
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}
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}
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console.log('📊 Jobs found:', jobs.length);
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console.log('📍 First job start index:', firstJobStartIndex);
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console.log('📍 Last job end index:', lastJobEndIndex);
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// 提取引导语（第一个 job-json 之前的文字）
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const guideText = firstJobStartIndex > 0 ?
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markdown.slice(0, firstJobStartIndex).trim() :
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'';
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// 提取结束语（最后一个 job-json 之后的文字）
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const endingText = lastJobEndIndex < markdown.length ?
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markdown.slice(lastJobEndIndex).trim() :
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'';
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console.log('📝 Guide text:', guideText);
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console.log('📝 Ending text:', endingText);
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// 岗位信息格式化为语音文本
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const jobTexts = jobs.map((job, index) => {
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return `第 ${index + 1} 个岗位，岗位名称是：${job.jobTitle}，公司是：${job.companyName}，薪资：${job.salary}，地点：${job.location}，学历要求：${job.education}，经验要求：${job.experience}。`;
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});
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// 拼接总语音内容
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const finalTextParts = [];
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if (guideText) finalTextParts.push(guideText);
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finalTextParts.push(...jobTexts);
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if (endingText) finalTextParts.push(endingText);
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const finalText = finalTextParts.join('\n');
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console.log('🎤 Final TTS text length:', finalText.length);
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console.log('🎤 Final TTS text preview:', finalText.substring(0, 200) + '...');
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console.log('🎤 Final TTS text parts count:', finalTextParts.length);
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return finalText;
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} |