tanlongsheng
2 years ago
5 changed files with 769 additions and 29 deletions
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import 'dart:async'; |
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import 'dart:convert'; |
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import 'dart:io'; |
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import 'dart:typed_data'; |
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import 'package:crypto/crypto.dart'; |
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import 'package:get/get.dart'; |
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import 'package:get_storage/get_storage.dart'; |
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import 'package:just_audio/just_audio.dart'; |
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import 'package:web_socket_channel/web_socket_channel.dart'; |
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import '../../../core/utils/logger.dart'; |
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import '../tts_service.dart'; |
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import 'volcano_tts_api_service.dart'; |
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/// 声音复刻服务，负责基本的文本转语音功能 |
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/// |
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/// 使用讯飞声音复刻实现TtsService接口 |
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class VoiceCloneTtsService extends GetxService implements TtsService { |
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final String hostUrl = "wss://cn-huabei-1.xf-yun.com/v1/private/voice_clone"; |
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final String appId = '43d87d22'; |
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final String apiKey = '2bd01ce06ac35957fc0c082f9b6284ec'; |
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final String apiSecret = 'ODU3OTUyYjhjMjY5NDhkMmMxYWY2Zjlm'; |
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WebSocketChannel? _channel; |
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final AudioPlayer _player = AudioPlayer(); |
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late ConcatenatingAudioSource _playlist; |
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// 当前语音 |
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final RxString _currentVoice = ''.obs; |
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@override |
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String get currentVoice => _currentVoice.value; |
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// 播放状态 |
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final RxBool _isSpeaking = false.obs; |
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@override |
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bool get isSpeaking => _isSpeaking.value; |
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// 事件流控制器 |
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final StreamController<TtsEvent> _eventController = |
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StreamController<TtsEvent>.broadcast(); |
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@override |
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Stream<TtsEvent> get onEvent => _eventController.stream; |
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bool _isInitialized = false; |
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String _resId = ''; |
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// 语音合成队列 |
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final List _textQueue = []; |
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bool _isProcessingQueue = false; |
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BytesBuilder _audioBytes = BytesBuilder(); |
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Completer<void> _completer = Completer(); |
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final isEnabled = true.obs; |
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// 流式文本缓冲区 |
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String _streamBuffer = ''; |
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@override |
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Future<bool> initialize({ |
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List<String>? supportedLanguages, |
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}) async { |
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if (_isInitialized) return true; |
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try { |
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final GetStorage storage = GetStorage(); |
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String timbre = storage.read('timbre'); |
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_resId = timbre; |
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_playlist = ConcatenatingAudioSource( |
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useLazyPreparation: true, |
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children: [], |
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); |
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return true; |
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} catch (e) { |
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Logger.error('TTS初始化失败: $e'); |
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return false; |
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} |
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} |
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@override |
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Future<bool> setVoice(String voiceName) async { |
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if (!_isInitialized) await initialize(); |
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try { |
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Logger.info('设置TTS语音: $voiceName'); |
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return true; |
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} catch (e) { |
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Logger.error('设置TTS语音失败: $e'); |
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return false; |
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} |
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} |
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// 语音合成 |
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Future<void> _speechSynthesis(String text) async { |
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await _tryConnecting(); |
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_channel?.sink.add( |
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json.encode({ |
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"header": {"app_id": appId, "status": 2, "res_id": _resId}, |
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"parameter": { |
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"tts": { |
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"vcn": "x5_clone", |
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"audio": {"encoding": "lame", "sample_rate": 16000} |
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} |
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}, |
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"payload": { |
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"text": { |
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"status": 2, |
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"seq": 0, |
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"text": base64Encode(utf8.encode(text)) |
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} |
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}, |
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}), |
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); |
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} |
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Future<void> _tryConnecting() async { |
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try { |
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final url = _geturl(); |
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_channel = WebSocketChannel.connect(Uri.parse(url)); |
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_channel?.stream.timeout(const Duration(seconds: 10)); //设置超时时间 |
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await _channel?.ready; |
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_channel?.stream.listen( |
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(message) { |
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_handle(message); |
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}, |
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onError: (error) { |
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Logger.error('连接失败: $error'); |
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}, |
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onDone: () { |
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Logger.error('WebSocket 连接已关闭!'); |
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}, |
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cancelOnError: true, |
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); |
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} catch (e) { |
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Logger.error('初始化异常: $e'); |
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} |
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} |
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String _geturl() { |
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// 解析 URL |
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final uri = Uri.parse(hostUrl); |
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// 获取当前时间并格式化为 RFC1123 格式 |
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final date = HttpDate.format(DateTime.now().toUtc()); |
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// 参与签名的字段 |
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final signString = [ |
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"host: ${uri.host}", |
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"date: $date", |
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"GET ${uri.path} HTTP/1.1", |
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]; |
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// 拼接签名字符串 |
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final sgin = signString.join("\n"); |
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// 使用 HMAC-SHA256 签名 |
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final key = utf8.encode(apiSecret); |
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final bytes = utf8.encode(sgin); |
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final hmacSha256 = Hmac(sha256, key); |
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final digest = hmacSha256.convert(bytes); |
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final sha = base64Encode(digest.bytes); |
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// 构建请求参数 |
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final authUrl = |
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'api_key="$apiKey", algorithm="hmac-sha256", headers="host date request-line", signature="$sha"'; |
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// 将请求参数使用 base64 编码 |
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final authorization = base64Encode(utf8.encode(authUrl)); |
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// 构建查询参数 |
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final queryParams = { |
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"host": uri.host, |
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"date": date, |
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"authorization": authorization, |
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}; |
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// 将查询参数编码并拼接到 URL 后面 |
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final callurl = |
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Uri.parse(hostUrl).replace(queryParameters: queryParams).toString(); |
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return callurl; |
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} |
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void _handle(data) async { |
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final result = jsonDecode(data); |
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int code = result['header']['code']; |
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if (code == 0) { |
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int status = result['header']['status']; |
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if (status == 1 || status == 2) { |
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Uint8List audio = base64Decode(result['payload']['audio']['audio']); |
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_audioBytes.add(audio); |
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} |
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if (status == 2) { |
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final newSource = BytesAudioSource(_audioBytes.toBytes()); |
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await _playlist.add(newSource); |
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if (!_isSpeaking.value) { |
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_audioPlay(); |
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} |
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_completer.complete(); |
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_completer = Completer(); |
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} |
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} |
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} |
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void _audioPlay() async { |
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_isSpeaking.value = true; |
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// 发送开始事件 |
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_eventController.add(TtsEvent(type: TtsEventType.started)); |
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await _player.setAudioSource(_playlist); |
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await _player.play(); |
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} |
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@override |
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Future<bool> speakOnce(String text) async { |
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if (!isEnabled.value || text.isEmpty) return false; |
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try { |
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_audioBytes.clear(); |
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await _speechSynthesis(text); |
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await _completer.future; |
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return true; |
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} catch (e) { |
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_isSpeaking.value = false; |
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Logger.error('语音合成失败: $e'); |
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// 发送错误事件 |
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_eventController.add(TtsEvent.error('语音合成失败: $e')); |
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return false; |
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} |
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} |
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@override |
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Future<bool> speakStream(String text) async { |
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if (!isEnabled.value || text.isEmpty) return false; |
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try { |
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// 添加文本到缓冲区 |
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_streamBuffer += text; |
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// 如果缓冲区为空，直接返回 |
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if (_streamBuffer.isEmpty) return true; |
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// 使用正则表达式匹配句子，包括结束符号 |
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// 匹配任意字符，直到遇到句子结束符号 |
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final sentenceRegex = RegExp( |
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r'([^。.！!？?；;：\n\r]+[。.！!？?；;：:\n\r]|[^。.！!？?；;：\n\r]+(?:\.{3,}|…)|[^。.！!？?；;：\n\r]+["」』])'); |
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bool hasProcessed = false; |
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// 查找所有完整句子 |
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final matches = sentenceRegex.allMatches(_streamBuffer); |
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final List<String> sentences = []; |
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int lastMatchEnd = 0; |
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for (final match in matches) { |
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// 提取完整句子（包含结束符号） |
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final sentence = match.group(1)?.trim(); |
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if (sentence != null && sentence.isNotEmpty) { |
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sentences.add(sentence); |
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lastMatchEnd = match.end; |
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} |
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} |
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// 处理找到的句子 |
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for (final sentence in sentences) { |
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_textQueue.add(sentence); |
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hasProcessed = true; |
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} |
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// 更新缓冲区，只保留未完成的部分 |
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if (lastMatchEnd > 0) { |
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_streamBuffer = _streamBuffer.substring(lastMatchEnd); |
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} |
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// 如果处理了文本并且队列未在处理中，开始处理队列 |
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if (hasProcessed && !_isProcessingQueue) { |
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_processQueue(); |
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} |
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return true; |
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} catch (e) { |
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Logger.error('处理流式文本失败: $e'); |
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// 发送错误事件 |
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_eventController.add(TtsEvent.error('处理流式文本失败: $e')); |
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return false; |
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} |
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} |
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@override |
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Future<bool> flushStream() async { |
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if (_textQueue.isEmpty && _streamBuffer.isEmpty) return true; |
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try { |
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// 处理缓冲区中可能的完整句子 |
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await speakStream(''); |
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// 如果缓冲区仍有剩余文本，将其添加到播放队列 |
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if (_streamBuffer.isNotEmpty && _streamBuffer.trim().isNotEmpty) { |
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_textQueue.add(_streamBuffer); |
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// 清空缓冲区 |
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_streamBuffer = ''; |
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// 如果队列未在处理中，开始处理队列 |
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if (!_isProcessingQueue) { |
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_processQueue(); |
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} |
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} |
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Logger.info('等待TTS队列播放完成，剩余${_textQueue.length}条'); |
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return true; |
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} catch (e) { |
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Logger.error('刷新TTS流失败: $e'); |
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// 发送错误事件 |
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_eventController.add(TtsEvent.error('刷新TTS流失败: $e')); |
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return false; |
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} |
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} |
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/// 处理语音合成队列 |
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Future<void> _processQueue() async { |
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if (_textQueue.isEmpty || _isProcessingQueue) return; |
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_isProcessingQueue = true; |
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try { |
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while (_textQueue.isNotEmpty) { |
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if (!isEnabled.value) { |
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_textQueue.clear(); |
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break; |
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} |
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final item = _textQueue.removeAt(0); |
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// 使用speakOnce播放当前项 |
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await speakOnce(item); |
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} |
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} catch (e) { |
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Logger.error('处理语音队列出错: $e'); |
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// 发送错误事件 |
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_eventController.add(TtsEvent.error('处理语音队列出错: $e')); |
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} finally { |
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_isProcessingQueue = false; |
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} |
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} |
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@override |
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Future<bool> stop() async { |
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try { |
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_textQueue.clear(); |
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_player.stop(); |
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_playlist.clear(); |
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_audioBytes = BytesBuilder(); |
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if (_isSpeaking.value) { |
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_isSpeaking.value = false; |
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// 发送取消事件 |
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_eventController.add(TtsEvent(type: TtsEventType.canceled)); |
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} |
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return true; |
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} catch (e) { |
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Logger.error('停止语音合成出错: $e'); |
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// 发送错误事件 |
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_eventController.add(TtsEvent.error('停止语音合成出错: $e')); |
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return false; |
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} |
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} |
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@override |
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Future<void> dispose() async { |
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if (!_isInitialized) return; |
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try { |
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await stop(); |
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// 关闭事件流控制器 |
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await _eventController.close(); |
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_isInitialized = false; |
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_player.dispose(); |
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} catch (e) { |
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Logger.error('释放资源失败: $e'); |
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} |
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} |
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} |
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@ -1,14 +1,287 @@ |
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import 'dart:convert'; |
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import 'package:crypto/crypto.dart'; |
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import 'package:get/get.dart'; |
import 'package:get/get.dart'; |
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import 'package:get_storage/get_storage.dart'; |
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import 'package:http/http.dart' as http; |
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import 'package:path/path.dart' as path; |
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import 'package:path_provider/path_provider.dart'; |
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import 'package:record/record.dart'; |
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class TimbreController extends GetxController { |
class TimbreController extends GetxController { |
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RxList dataList = [ |
final GetStorage _storage = GetStorage(); |
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{'type': '1', 'name': '默认音色', 'description': '微软云端音色服务'}, |
final _record = AudioRecorder(); |
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{'type': '2', 'name': '声音复刻', 'description': '复刻本人音色服务'} |
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].obs; |
final String _appId = "43d87d22"; |
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final String _appKey = "2bd01ce06ac35957fc0c082f9b6284ec"; |
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RxList dataList = [].obs; |
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RxString type = '1'.obs; |
RxString type = '1'.obs; |
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RxString text = ''.obs; |
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String _token = ''; |
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int _textId = 0; |
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int _segId = 0; |
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String _taskId = '67e0f5e6025cf871b1de31b2'; |
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@override |
@override |
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void onInit() { |
void onInit() { |
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super.onInit(); |
super.onInit(); |
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_getDataList(); |
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} |
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@override |
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void onClose() { |
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_record.dispose(); |
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super.onClose(); |
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} |
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void _getDataList() { |
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List? timbreList = _storage.read('timbreList'); |
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String? timbre = _storage.read('timbre'); |
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if (timbreList != null) { |
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dataList.value = timbreList; |
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} else { |
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dataList.add({ |
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'type': '1', |
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'name': '默认音色', |
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'description': '微软云端音色服务', |
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'isUsable': true |
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}); |
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_storage.write('timbreList', [ |
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{ |
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'type': '1', |
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'name': '默认音色', |
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'description': '微软云端音色服务', |
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'isUsable': true |
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} |
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]); |
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} |
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if (timbre != null) { |
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type.value = timbre; |
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} |
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} |
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// 录制声音 |
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void startRecorder() async { |
||||
|
if (_token.isEmpty) { |
||||
|
await _getToken(); |
||||
|
} |
||||
|
await _getTraintext(); |
||||
|
await _addTask(); |
||||
|
final directory = await getApplicationDocumentsDirectory(); |
||||
|
final path = |
||||
|
'${directory.path}/recording_${DateTime.now().millisecondsSinceEpoch}.wav'; |
||||
|
await _record.start( |
||||
|
const RecordConfig( |
||||
|
encoder: AudioEncoder.wav, |
||||
|
sampleRate: 24000, |
||||
|
numChannels: 1, |
||||
|
), |
||||
|
path: path, |
||||
|
); |
||||
|
} |
||||
|
|
||||
|
// 获取token |
||||
|
Future<void> _getToken() async { |
||||
|
int timeStamp = DateTime.now().millisecondsSinceEpoch; |
||||
|
String data = |
||||
|
'{"base":{"appid":"$_appId","version":"v1","timestamp":"$timeStamp"},"model":"remote"}'; |
||||
|
String keySignInput = _appKey + timeStamp.toString(); |
||||
|
List<int> keySignBytes = utf8.encode(keySignInput); |
||||
|
Digest keySignDigest = md5.convert(keySignBytes); |
||||
|
String keySign = keySignDigest.toString(); |
||||
|
String signInput = keySign + data; |
||||
|
List<int> signBytes = utf8.encode(signInput); |
||||
|
Digest signDigest = md5.convert(signBytes); |
||||
|
String sign = signDigest.toString(); |
||||
|
|
||||
|
final response = await http.post( |
||||
|
Uri.parse('http://avatar-hci.xfyousheng.com/aiauth/v1/token'), |
||||
|
headers: { |
||||
|
'Content-Type': 'application/json', |
||||
|
'Authorization': sign, |
||||
|
}, |
||||
|
body: data, |
||||
|
); |
||||
|
if (response.statusCode == 200) { |
||||
|
final body = json.decode(response.body); |
||||
|
if (body['retcode'] == '000000') { |
||||
|
_token = body['accesstoken']; |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
// 获取训练文本 |
||||
|
Future<void> _getTraintext() async { |
||||
|
String data = '{"textId":"5001"}'; |
||||
|
Map sign = _sign(data); |
||||
|
|
||||
|
final response = await http.post( |
||||
|
Uri.parse('http://opentrain.xfyousheng.com/voice_train/task/traintext'), |
||||
|
headers: { |
||||
|
'Content-Type': 'application/json', |
||||
|
'X-Sign': sign['sign'], |
||||
|
'X-Token': _token, |
||||
|
'X-AppId': _appId, |
||||
|
'X-Time': sign['timeStamp'], |
||||
|
}, |
||||
|
body: data, |
||||
|
); |
||||
|
if (response.statusCode == 200) { |
||||
|
final body = json.decode(response.body); |
||||
|
if (body['code'] == 0) { |
||||
|
_textId = body['data']['textId']; |
||||
|
Map textSegs = body['data']['textSegs'].first; |
||||
|
_segId = textSegs['segId']; |
||||
|
text.value = _decodeCorruptedText(textSegs['segText']); |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
// 创建训练任务 |
||||
|
Future<void> _addTask() async { |
||||
|
String data = '{"resourceType":"12"}'; |
||||
|
Map sign = _sign(data); |
||||
|
|
||||
|
final response = await http.post( |
||||
|
Uri.parse('http://opentrain.xfyousheng.com/voice_train/task/add'), |
||||
|
headers: { |
||||
|
'Content-Type': 'application/json', |
||||
|
'X-Sign': sign['sign'], |
||||
|
'X-Token': _token, |
||||
|
'X-AppId': _appId, |
||||
|
'X-Time': sign['timeStamp'], |
||||
|
}, |
||||
|
body: data, |
||||
|
); |
||||
|
if (response.statusCode == 200) { |
||||
|
final body = json.decode(response.body); |
||||
|
if (body['code'] == 0) { |
||||
|
_taskId = body['data']; |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
Map _sign(String data) { |
||||
|
int timeStamp = DateTime.now().millisecondsSinceEpoch; |
||||
|
String keySignInput = _appKey + timeStamp.toString(); |
||||
|
List<int> keySignBytes = utf8.encode(keySignInput); |
||||
|
Digest keySignDigest = md5.convert(keySignBytes); |
||||
|
String keySign = keySignDigest.toString(); |
||||
|
String signInput = keySign + data; |
||||
|
List<int> signBytes = utf8.encode(signInput); |
||||
|
Digest signDigest = md5.convert(signBytes); |
||||
|
String sign = signDigest.toString(); |
||||
|
return {'sign': sign, 'timeStamp': timeStamp.toString()}; |
||||
|
} |
||||
|
|
||||
|
String _decodeCorruptedText(String corruptedText) { |
||||
|
List<int> latin1Bytes = |
||||
|
corruptedText.codeUnits.map((ch) => ch & 0xFF).toList(); |
||||
|
return utf8.decode(latin1Bytes); |
||||
|
} |
||||
|
|
||||
|
// 完成录制 |
||||
|
void completeRecorder() async { |
||||
|
final audioPath = await _record.stop(); |
||||
|
String data = |
||||
|
'{"taskId":"$_taskId","textId":"$_textId","textSegId":"$_segId"}'; |
||||
|
Map sign = _sign(data); |
||||
|
|
||||
|
final uri = Uri.parse( |
||||
|
'http://opentrain.xfyousheng.com/voice_train/task/submitWithAudio'); |
||||
|
final request = http.MultipartRequest('POST', uri); |
||||
|
request.files.add(await http.MultipartFile.fromPath( |
||||
|
'file', |
||||
|
audioPath!, |
||||
|
filename: path.basename(audioPath), |
||||
|
)); |
||||
|
request.fields.addAll({ |
||||
|
'taskId': _taskId, |
||||
|
'textId': '$_textId', |
||||
|
'textSegId': '$_segId', |
||||
|
}); |
||||
|
request.headers.addAll({ |
||||
|
"X-Sign": sign['sign'], |
||||
|
"X-Token": _token, |
||||
|
"X-AppId": _appId, |
||||
|
"X-Time": sign['timeStamp'], |
||||
|
}); |
||||
|
final response = await request.send(); |
||||
|
if (response.statusCode == 200) { |
||||
|
final responseBody = await response.stream.bytesToString(); |
||||
|
final body = json.decode(responseBody); |
||||
|
if (body['code'] == 0) { |
||||
|
text.value = ''; |
||||
|
dataList.add({ |
||||
|
'type': _taskId, |
||||
|
'name': '声音复刻$_taskId', |
||||
|
'description': '复刻本人音色服务', |
||||
|
'isUsable': false |
||||
|
}); |
||||
|
await _getTaskResult(_taskId); |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
// 查询训练任务状态 |
||||
|
Future<void> _getTaskResult(String id) async { |
||||
|
String data = '{"taskId":"$id"}'; |
||||
|
Map sign = _sign(data); |
||||
|
|
||||
|
final response = await http.post( |
||||
|
Uri.parse('http://opentrain.xfyousheng.com/voice_train/task/result'), |
||||
|
headers: { |
||||
|
'Content-Type': 'application/json', |
||||
|
'X-Sign': sign['sign'], |
||||
|
'X-Token': _token, |
||||
|
'X-AppId': _appId, |
||||
|
'X-Time': sign['timeStamp'], |
||||
|
}, |
||||
|
body: data, |
||||
|
); |
||||
|
if (response.statusCode == 200) { |
||||
|
final body = json.decode(response.body); |
||||
|
if (body['code'] == 0) { |
||||
|
if (body['data']['trainStatus'] == -1) { |
||||
|
await _getTaskResult(id); |
||||
|
} |
||||
|
if (body['data']['trainStatus'] == 1) { |
||||
|
Map? dataMap = |
||||
|
dataList.firstWhereOrNull((item) => item['type'] == id); |
||||
|
if (dataMap != null) { |
||||
|
dataMap['type'] = body['data']['assetId']; |
||||
|
dataMap['name'] = '声音复刻${body['data']['assetId']}'; |
||||
|
dataMap['isUsable'] = true; |
||||
|
dataList.refresh(); |
||||
|
_storage.write('timbreList', dataList); |
||||
|
} |
||||
|
} |
||||
|
if (body['data']['trainStatus'] == 0) { |
||||
|
Get.snackbar( |
||||
|
'error'.tr, // 错误 |
||||
|
_decodeCorruptedText(body['data']['failedDesc']), |
||||
|
snackPosition: SnackPosition.TOP, |
||||
|
); |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
|
||||
|
// 取消 |
||||
|
void cancel() { |
||||
|
text.value = ''; |
||||
|
_record.stop(); |
||||
|
Get.back(); |
||||
|
} |
||||
|
|
||||
|
// 选择音色 |
||||
|
void selectTone(Map data) { |
||||
|
if (!data['isUsable']) return; |
||||
|
type.value = data['type']; |
||||
|
_storage.write('timbre', data['type']); |
||||
} |
} |
||||
} |
} |
||||
|
|||||
Loading…
Reference in new issue