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1243 lines
39 KiB
1243 lines
39 KiB
import 'dart:io';
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import '../../../core/utils/permission_util.dart';
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import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'dart:async';
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import 'dart:convert';
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import 'package:get_storage/get_storage.dart';
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import 'package:intl/intl.dart';
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import '../../../data/services/ast_service.dart';
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import '../../../data/services/bluetooth_manager.dart';
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import '../../../data/services/music_manager.dart';
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import '../../../data/services/volcano_translation_service.dart';
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import '../../../data/services/tts_service.dart';
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import '../../../data/services/language_manager.dart';
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import '../../../core/utils/logger.dart';
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import '../../../data/services/asr_service.dart';
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import '../../../data/services/translation_usage_service.dart';
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import '../../../data/services/ble_manager.dart';
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import 'record_timer_controller.dart';
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import 'translation_history_controller.dart';
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import '../models/translation_models.dart';
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// 切换音频输出设备的枚举
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enum AudioOutputDevice {
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defaultDevice, // 默认（如有耳机优先耳机，否则扬声器）
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headphones, // 强制耳机
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speaker, // 强制扬声器
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}
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class TranslationController extends GetxController {
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static const String TAG = 'TranslationController';
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// 服务
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final AsrService _asrService = Get.find<AsrService>();
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final VolcanoTranslationService _translationService =
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Get.find<VolcanoTranslationService>();
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final TtsService _ttsService = Get.find<TtsService>();
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final AstService _astService = Get.find<AstService>();
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final LanguageManager _languageManager = Get.find<LanguageManager>();
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final GetStorage _storage = GetStorage();
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// 蓝牙服务
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final BluetoothManager bluetoothManager = Get.find<BluetoothManager>();
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final BleManager bleManager = Get.find<BleManager>();
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//音乐播放管理
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final _musiceManager = Get.find<MusicManager>();
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// 统计服务
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late final TranslationUsageService _usageService;
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// ASR统计相关 - 精确时长统计
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DateTime? _asrSessionStartTime; // ASR会话开始时间
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DateTime? _asrActiveStartTime; // ASR活跃开始时间（用户实际开始语音识别的时间）
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Duration _asrActiveDuration = Duration.zero; // ASR累计活跃时长
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bool _isAsrActive = false; // ASR是否处于活跃状态
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// 音频输入源
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bool _audioSourceType = false;
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//是否开启播放
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bool isPlayback = false;
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// 存储相关配置
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static const String _sourceLanguageKey = 'translation_source_language';
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static const String _targetLanguageKey = 'translation_target_language';
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// 分页加载相关状态
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final pageSize = 20; // 每页记录数量
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bool _scrollListenerSetup = false; // 滚动监听器设置标志
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RxInt activeSpeaker = 0.obs; // 0=无激活, 1=按钮1, 2=按钮2
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RxInt lastActiveSpeaker = 0.obs; // 上一次状态
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bool isContinuePlaying = false; // 是否继续播放
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// 状态变量
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final isRecognizing = false.obs;
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final isTranslating = false.obs;
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final isTtsEnabled = true.obs;
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final isRecording = false.obs;
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final lasyIsRecording = false.obs;
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final hasRecordPermission = false.obs;
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// 语言相关
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final sourceLanguage = '中文(简体)'.obs;
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final targetLanguage = '英语'.obs;
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final sourceLanguageCode = 'zh-CN'.obs;
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final targetLanguageCode = 'en-US'.obs;
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var detectedLanguageCode = '';
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var currsessionid = '';
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final currentModeTitle = 'simultaneousTranslation'.obs;
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final currentMode = 'simultaneous'.obs;
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// 翻译历史和当前项
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String? fTFTranslationResult = '';
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String? currentSessionId;
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final appDocDir = getApplicationDocumentsDirectory();
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var appDir;
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var dir;
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// 使用新的管理器
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late final RecordTimerController _timerManager;
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late final TranslationHistoryManager _historyManager;
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// 提供访问器
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RxString get recordDurationText => _timerManager.recordDurationText;
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RxList<TranslationItem> get translationHistory =>
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_historyManager.translationHistory;
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ScrollController get scrollController => _historyManager.scrollController;
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// 添加历史管理器状态访问器
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RxBool get hasMoreHistory => _historyManager.hasMoreHistory;
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RxBool get isLoadingMore => _historyManager.isLoadingMore;
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RxBool get isLoadingMoreError => _historyManager.isLoadingMoreError;
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// 其他
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StreamSubscription? _recognitionSubscription;
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StreamSubscription? _voiceInteractionSubscription;
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Timer? _translationDebounceTimer;
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// 获取支持的语言列表
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Map<String, String> get supportedLanguages =>
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_languageManager.getChineseNameToAsrCodeMap();
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// 最新的语音识别文本
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final latestRecognitionText = ''.obs;
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// 检测到的语言代码
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final detectedLanguageCode1 = ''.obs;
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//int num = 0;
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Future<void> changeTranslationMode(String mode) async {
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currentMode.value = mode;
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currentModeTitle.value = _getModeTitle(mode);
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stopAll();
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if (mode == 'call') {
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await _initializeCallModeTranslationService();
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}
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}
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String _getModeTitle(String mode) {
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switch (mode) {
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case 'audioVideo':
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return 'audioVideoTranslation';
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case 'call':
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return 'callTranslation';
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case 'faceToFace':
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return 'faceToFaceTranslation';
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default:
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return 'simultaneousTranslation';
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}
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}
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// 更新计时器相关方法
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void pauseRecordTimer() => _timerManager.pauseTimer();
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void resumeRecordTimer() => _timerManager.resumeTimer();
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void resetRecordTimer() => _timerManager.resetTimer();
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Future<void> setActiveSpeaker(int id) async {
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activeSpeaker.value = id;
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await _asrService.startContinuousRecognition(_audioSourceType);
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if (activeSpeaker.value != 0) {
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await _handleActiveSpeakerOn(id);
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} else {
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await _handleActiveSpeakerOff();
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}
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}
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// 拆分出的辅助方法
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Future<void> _handleActiveSpeakerOn(int id) async {
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isPlayback = false;
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isRecognizing.value = true;
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if (isRecording.value && isRecognizing.value) {
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await _handleRecordingStart();
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}
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_startAsrActiveTracking();
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lastActiveSpeaker.value = id;
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}
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Future<void> _handleRecordingStart() async {
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if (lasyIsRecording.value != isRecording.value) {
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lasyIsRecording.value = isRecording.value;
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await startRecording();
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} else {
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await _asrService.resumeRecord();
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resumeRecordTimer();
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}
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}
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Future<void> _handleActiveSpeakerOff() async {
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_stopAsrActiveTracking();
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if (isRecording.value && isRecognizing.value) {
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pauseRecordTimer();
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await _asrService.pauseRecord();
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}
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await _handleTranslationPlayback();
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}
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Future<void> _handleTranslationPlayback() async {
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if (fTFTranslationResult != '' && !isPlayback) {
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isPlayback = true;
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await _ttsService.setAudioOutputDevice(lastActiveSpeaker.value);
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await Future.delayed(const Duration(milliseconds: 1300));
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await playTranslatedText(fTFTranslationResult!);
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fTFTranslationResult = '';
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} else if ((translationHistory.isEmpty ||
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!translationHistory.last.isIntermediate) &&
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currentMode.value == 'faceToFace') {
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_asrService.stopContinuousRecognition();
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}
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}
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// 禁用蓝牙音频
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Future<void> disableBluetoothAudio() async =>
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await _asrService.disableBluetoothAudio();
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//恢复原始音频状态
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Future<void> restoreOriginalAudioState() async =>
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await _asrService.restoreOriginalAudioState();
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// 兼容旧版视图的计算属性
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Rx<TranslationItem?> get currentItem {
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if (translationHistory.isNotEmpty &&
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translationHistory.last.isIntermediate) {
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return Rx<TranslationItem?>(translationHistory.last);
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}
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return Rx<TranslationItem?>(null);
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}
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@override
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void onInit() {
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super.onInit();
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// 初始化管理器
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_timerManager = RecordTimerController();
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_historyManager = TranslationHistoryManager();
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//_setupEventListeners();
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// 预先检查权限，避免在用户交互时阻塞
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_preCheckPermissions();
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// 初始化统计服务
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_initUsageService();
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// 加载上次保存的语言设置
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_loadSavedLanguages();
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// 初始化语言代码
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final sourceAsrCode =
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_languageManager.getAsrCodeByChineseName(sourceLanguage.value);
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if (sourceAsrCode != null) {
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sourceLanguageCode.value = sourceAsrCode;
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}
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final targetAsrCode =
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_languageManager.getAsrCodeByChineseName(targetLanguage.value);
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if (targetAsrCode != null) {
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targetLanguageCode.value = targetAsrCode;
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}
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// 加载历史记录
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loadTranslationHistory();
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// 初始化服务
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_initServices();
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// 初始化历史管理器
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_historyManager.initialize();
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}
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/// 预先检查权限
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Future<void> _preCheckPermissions() async {
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try {
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await requestRecordPermission();
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} catch (e) {
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Logger.e("Permission", "预检查权限失败: $e");
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}
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}
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// 初始化统计服务
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void _initUsageService() {
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try {
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// 确保统计服务已注册
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if (!Get.isRegistered<TranslationUsageService>()) {
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Get.put(TranslationUsageService(), permanent: true);
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}
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_usageService = Get.find<TranslationUsageService>();
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Logger.info('翻译统计服务初始化完成');
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} catch (e) {
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Logger.error('翻译统计服务初始化失败: $e');
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}
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}
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// 加载保存的语言设置
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void _loadSavedLanguages() {
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final savedSourceLanguage = _storage.read(_sourceLanguageKey);
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final savedTargetLanguage = _storage.read(_targetLanguageKey);
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if (savedSourceLanguage != null &&
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supportedLanguages.containsKey(savedSourceLanguage)) {
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sourceLanguage.value = savedSourceLanguage;
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}
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if (savedTargetLanguage != null &&
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supportedLanguages.containsKey(savedTargetLanguage)) {
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targetLanguage.value = savedTargetLanguage;
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}
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}
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// 保存当前语言设置
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void _saveLanguageSettings() {
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_storage.write(_sourceLanguageKey, sourceLanguage.value);
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_storage.write(_targetLanguageKey, targetLanguage.value);
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}
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Future<bool> requestRecordPermission() async {
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try {
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hasRecordPermission.value =
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await PermissionUtil.instance.requestPermission(
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permissionType: Permission.microphone,
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permissionName: 'microphonePermission'.tr,
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explanationText: 'microphonePermissionExplanation'.tr,
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permanentDenialText: 'microphonePermissionPermanentDenial'.tr,
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);
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if (hasRecordPermission.value) {
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Logger.d("Permission", "用户授予了录音权限");
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return true;
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} else {
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Logger.d("Permission", "用户未授予录音权限");
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return false;
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}
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} catch (e) {
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Logger.e("Permission", "请求录音权限时出错: $e");
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return false;
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}
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}
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// 请求存储权限
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Future<bool> _requestStoragePermission() async {
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// final BuildContext context = Get.overlayContext!;
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try {
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final bool granted = await PermissionUtil.instance.requestPermission(
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permissionType: Permission.storage,
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permissionName: 'storagePermission'.tr,
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explanationText: 'storagePermissionExplanation'.tr,
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permanentDenialText: 'storagePermissionPermanentDenial'.tr,
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);
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if (granted) {
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Logger.d("Permission", "用户授予了存储权限");
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return true;
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} else {
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Logger.d("Permission", "用户未授予存储权限");
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return true;
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}
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} catch (e) {
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Logger.e("Permission", "请求存储权限时出错: $e");
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return false;
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}
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}
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// 暂停其他服务
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Future<void> suspendOtherServices() async {
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try {
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var status = await _musiceManager.getStatus();
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var isPlaying = status['isPlaying'] ?? false;
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if (isPlaying == true) {
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isContinuePlaying = true;
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await _musiceManager.pause(); // 暂停音乐
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} else {
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isContinuePlaying = false;
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}
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} catch (e) {
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Logger.error('初始化服务失败: ${e.toString()}');
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}
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}
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// 恢复其他服务
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Future<void> restoreOtherServices() async {
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try {
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if (isContinuePlaying) await _musiceManager.resume(); // 暂停音乐
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} catch (e) {
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Logger.error('初始化服务失败: ${e.toString()}');
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}
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}
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// 初始化服务
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Future<void> _initServices() async {
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try {
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await _translationService.initialize();
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// 初始化 ASR 服务时，明确指定需要支持的语言
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final List<String> asrSupportedLanguages = [
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sourceLanguageCode.value,
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targetLanguageCode.value
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];
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Logger.info('初始化ASR服务，支持语言: $asrSupportedLanguages');
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await _asrService.initialize(
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supportedLanguages: asrSupportedLanguages,
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);
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// 获取识别事件流 - 这启动了异步识别过程
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var recognitionStream = await _asrService.recognizeCallback();
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// 监听识别结果
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_recognitionSubscription?.cancel();
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_recognitionSubscription =
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recognitionStream.listen(_handleRecognitionEvent);
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final bool storage = await _requestStoragePermission();
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if (!storage) {
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Logger.d("Permission", "未授予存储权限，无法提供录音功能");
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return;
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}
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appDir = await appDocDir; // 先 await 获取目录
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dir = Directory("${appDir.path}/TranslatAudio");
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if (!await dir.exists()) {
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await dir.create(recursive: true); // Add recursive creation
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}
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Logger.info('所有服务初始化完成');
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} catch (e) {
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Logger.error('初始化服务失败: ${e.toString()}');
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}
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}
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// 初始化通话模式的语音翻译服务
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Future<void> _initializeCallModeTranslationService() async {
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try {
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Logger.info('开始初始化通话模式语音翻译服务');
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// 为通话模式配置特殊的ASR设置
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final List<String> callModeLanguages = [
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sourceLanguageCode.value,
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targetLanguageCode.value
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];
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// 重新初始化ASR服务以支持通话音频源
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await _astService.initialize(supportedLanguages: callModeLanguages);
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Logger.info('通话模式语音翻译服务初始化完成');
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return;
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} catch (e) {
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Logger.error('通话模式语音翻译服务初始化失败: ${e.toString()}');
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}
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}
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@override
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void onClose() {
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stopAll();
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_recognitionSubscription?.cancel();
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_recognitionSubscription = null;
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_voiceInteractionSubscription?.cancel();
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_translationDebounceTimer?.cancel();
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restoreOtherServices();
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_asrService.dispose();
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_astService.dispose();
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// 释放管理器资源
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_timerManager.dispose();
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_historyManager.dispose();
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super.onClose();
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}
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// 切换TTS功能
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void toggleTts() => isTtsEnabled.toggle();
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// 切换录音功能
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Future<void> toggleisRecord() async {
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isRecording.toggle();
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if (isRecording.value && isRecognizing.value) {
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startRecording();
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} else if (!isRecording.value) {
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stopRecording();
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} else {}
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}
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Future<void> startRecording() async {
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//isRecording.value = true;
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_timerManager.startTimer();
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// 启动实际录音逻辑
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// ...
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final formattedTime = DateFormat('yyyyMMdd_HHmmss').format(DateTime.now());
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await _asrService.enableRecord(
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"${dir.path}/${currentModeTitle.value.tr}_$formattedTime.wav");
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if (currentMode.value == 'call') {
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await _astService.enableRecord(
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"${dir.path}/${currentModeTitle.value.tr}_${formattedTime}_mic.wav");
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}
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return;
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}
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Future<void> stopRecording() async {
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// 停止计时器
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_timerManager.stopTimer();
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_asrService.stopRecord(true);
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lasyIsRecording.value = false;
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Logger.info('录音已停止，计时器已重置');
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}
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|
// 开始语音识别
|
|
Future<void> startRecognition() async {
|
|
Logger.info('开始语音识别');
|
|
|
|
if (!await _checkPermissions()) return;
|
|
if (isRecognizing.value) return;
|
|
|
|
try {
|
|
await _initializeSession();
|
|
await _configureAudioMode();
|
|
await _startAsrService();
|
|
await _finalizeRecognitionStart();
|
|
} catch (e) {
|
|
isRecognizing.value = false;
|
|
Logger.error('启动语音识别失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
// 拆分出的辅助方法
|
|
Future<bool> _checkPermissions() async {
|
|
final bool record = await requestRecordPermission();
|
|
if (!record) {
|
|
Logger.d("Permission", "录音权限被拒绝，无法开始录音");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Future<void> _initializeSession() async {
|
|
currentSessionId = DateTime.now().millisecondsSinceEpoch.toString();
|
|
|
|
try {
|
|
_usageService.startNewSession();
|
|
_asrSessionStartTime = DateTime.now();
|
|
_asrActiveDuration = Duration.zero;
|
|
_isAsrActive = false;
|
|
} catch (e) {
|
|
Logger.error('开始新会话统计失败: $e');
|
|
}
|
|
}
|
|
|
|
Future<void> _configureAudioMode() async {
|
|
switch (currentMode.value) {
|
|
case "audioVideo":
|
|
await _configureAudioVideoMode();
|
|
break;
|
|
case "call":
|
|
await _configureCallMode();
|
|
break;
|
|
default:
|
|
await _configureDefaultMode();
|
|
}
|
|
}
|
|
|
|
Future<void> _configureAudioVideoMode() async {
|
|
bleManager.openDecoder();
|
|
_audioSourceType = true;
|
|
isTtsEnabled.value = false;
|
|
Logger.info('发送ble音乐或者通话远端声音');
|
|
}
|
|
|
|
Future<void> _configureCallMode() async {
|
|
bleManager.openA2DPDecoder();
|
|
_audioSourceType = true;
|
|
isTtsEnabled.value = false;
|
|
|
|
Logger.info('发送ble系统mic和dac（音乐或者通话远端）声音');
|
|
}
|
|
|
|
Future<void> _configureDefaultMode() async {
|
|
_audioSourceType = false;
|
|
isTtsEnabled.value = true;
|
|
}
|
|
|
|
Future<void> _startAsrService() async {
|
|
// if (bluetoothManager.currentDeviceRx.value != null) {
|
|
// restoreOriginalAudioState();
|
|
// } else {
|
|
// disableBluetoothAudio();
|
|
// }
|
|
|
|
await _asrService.startContinuousRecognition(_audioSourceType);
|
|
}
|
|
|
|
Future<void> _finalizeRecognitionStart() async {
|
|
_startAsrActiveTracking();
|
|
isRecognizing.value = true;
|
|
|
|
if (isRecording.value && isRecognizing.value) {
|
|
startRecording();
|
|
}
|
|
}
|
|
|
|
// 处理识别事件
|
|
void _handleRecognitionEvent(RecognitionEvent event) {
|
|
if (event.type == RecognitionEventType.finalResult &&
|
|
event.text.isNotEmpty) {
|
|
detectedLanguageCode = event.detectedLanguage;
|
|
print("处理识别事件:${event.text}");
|
|
handleFinalResult(event.text);
|
|
} else if (event.type == RecognitionEventType.intermediateResult &&
|
|
event.text.isNotEmpty) {
|
|
if (event.detectedLanguage.isNotEmpty) {
|
|
detectedLanguageCode = event.detectedLanguage;
|
|
}
|
|
print("处理识别事件:${event.text}");
|
|
handleIntermediateResult(event.text);
|
|
} else if (event.type == RecognitionEventType.finalResult1 &&
|
|
event.text.isNotEmpty) {
|
|
if (event.detectedLanguage.isNotEmpty) {
|
|
detectedLanguageCode1.value = event.detectedLanguage;
|
|
}
|
|
latestRecognitionText.value = event.text;
|
|
print("处理麦:${event.text}");
|
|
} else if (event.type == RecognitionEventType.error) {
|
|
Get.snackbar('error'.tr, event.error);
|
|
isRecognizing.value = false;
|
|
Logger.error('语音识别错误: ${event.error}');
|
|
} else if (event.type == RecognitionEventType.canceled) {
|
|
isRecognizing.value = false;
|
|
Logger.error('语音识别取消: ${event.error}');
|
|
}
|
|
}
|
|
|
|
// 停止语音识别
|
|
Future<void> stopRecognition() async {
|
|
if (!isRecognizing.value) return;
|
|
|
|
try {
|
|
await stopRecording();
|
|
await _asrService.stopContinuousRecognition();
|
|
if (currentMode.value == "call") {
|
|
await _astService.stopContinuousTranslation();
|
|
}
|
|
// 停止ASR活跃时长计时
|
|
_stopAsrActiveTracking();
|
|
|
|
isRecognizing.value = false;
|
|
|
|
// 如果当前有中间结果，将其作为最终结果处理
|
|
if (translationHistory.isNotEmpty &&
|
|
translationHistory.last.isIntermediate &&
|
|
translationHistory.last.sourceText.isNotEmpty) {
|
|
// 标记为最终结果
|
|
translationHistory.last.isIntermediate = false;
|
|
translationHistory.refresh();
|
|
|
|
// 如果还没有翻译结果，尝试翻译
|
|
if (translationHistory.last.translatedText.isEmpty) {
|
|
await translateText(translationHistory.last.sourceText,
|
|
translationHistory.last.timestamp,
|
|
isFinal: true);
|
|
}
|
|
|
|
saveTranslationHistory();
|
|
}
|
|
|
|
currentSessionId = null;
|
|
} catch (e) {
|
|
Logger.error('停止语音识别失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
// 处理中间识别结果
|
|
void handleIntermediateResult(String text) {
|
|
if (text.isEmpty) return;
|
|
|
|
if (translationHistory.isEmpty || !translationHistory.last.isIntermediate) {
|
|
currentSessionId ??= DateTime.now().millisecondsSinceEpoch.toString();
|
|
|
|
final newItem = TranslationItem(
|
|
sourceText: text,
|
|
translatedText: '',
|
|
sourceLanguageCode: sourceLanguageCode.value,
|
|
targetLanguageCode: targetLanguageCode.value,
|
|
timestamp: DateTime.now(),
|
|
sessionId: currentSessionId!,
|
|
isFirstInSession: translationHistory.isEmpty ||
|
|
translationHistory.last.sessionId != currentSessionId,
|
|
isIntermediate: true,
|
|
);
|
|
|
|
if (currentMode.value == 'faceToFace' && activeSpeaker.value == 0) {
|
|
_asrService.stopContinuousRecognition();
|
|
} else {
|
|
_historyManager.addTranslationItem(newItem);
|
|
}
|
|
} else {
|
|
// 更新当前项
|
|
translationHistory.last.sourceText = text;
|
|
translationHistory.refresh();
|
|
_historyManager.scrollToBottom();
|
|
}
|
|
|
|
// 防抖处理翻译请求
|
|
_translationDebounceTimer?.cancel();
|
|
_translationDebounceTimer = Timer(const Duration(milliseconds: 300), () {
|
|
if (translationHistory.isNotEmpty &&
|
|
translationHistory.last.isIntermediate &&
|
|
translationHistory.last.sourceText.isNotEmpty) {
|
|
translateText(translationHistory.last.sourceText,
|
|
translationHistory.last.timestamp,
|
|
isFinal: false);
|
|
}
|
|
});
|
|
}
|
|
|
|
// 处理最终识别结果
|
|
Future<void> handleFinalResult(String text) async {
|
|
if (text.isEmpty || translationHistory.isEmpty) return;
|
|
|
|
// ASR识别到最终结果，表示用户完成了一次有效的语音输入
|
|
|
|
// 更新当前项
|
|
if (translationHistory.last.isIntermediate) {
|
|
translationHistory.last.sourceText = text;
|
|
translationHistory.last.isIntermediate = false;
|
|
translationHistory.refresh();
|
|
// 更新后滚动到底部
|
|
_scrollToBottom();
|
|
saveTranslationHistory();
|
|
if (activeSpeaker.value == 0 && currentMode.value == 'faceToFace') {
|
|
_asrService.stopContinuousRecognition();
|
|
}
|
|
// 使用项目的时间戳进行翻译
|
|
translateText(text, translationHistory.last.timestamp, isFinal: true);
|
|
} else {
|
|
// 如果最后一项不是中间结果，创建新项
|
|
final newItem = TranslationItem(
|
|
sourceText: text,
|
|
translatedText: '',
|
|
sourceLanguageCode: sourceLanguageCode.value,
|
|
targetLanguageCode: targetLanguageCode.value,
|
|
timestamp: DateTime.now(),
|
|
sessionId: currentSessionId ??
|
|
DateTime.now().millisecondsSinceEpoch.toString(),
|
|
isFirstInSession: translationHistory.isEmpty ||
|
|
translationHistory.last.sessionId != currentSessionId,
|
|
isIntermediate: false,
|
|
);
|
|
if (currentMode.value == 'faceToFace' && activeSpeaker.value == 0) {
|
|
_asrService.stopContinuousRecognition();
|
|
} //else {
|
|
translationHistory.add(newItem);
|
|
translationHistory.refresh();
|
|
_scrollToBottom();
|
|
saveTranslationHistory();
|
|
// 使用新项目的时间戳进行翻译
|
|
translateText(text, newItem.timestamp, isFinal: true);
|
|
// }
|
|
}
|
|
}
|
|
|
|
// 翻译文本
|
|
Future<String?> translateText(String sourceText, DateTime timestamp,
|
|
{bool isFinal = false}) async {
|
|
if (sourceText.isEmpty) return null;
|
|
|
|
isTranslating.value = true;
|
|
String? translationResult;
|
|
|
|
try {
|
|
final languageCodes = _determineLanguageCodes();
|
|
translationResult = await _performTranslation(
|
|
sourceText, languageCodes['source']!, languageCodes['target']!);
|
|
|
|
if (translationResult != null) {
|
|
await _updateTranslationHistory(
|
|
sourceText, translationResult, timestamp, languageCodes, isFinal);
|
|
}
|
|
} catch (e) {
|
|
Logger.error('翻译失败: ${e.toString()}');
|
|
} finally {
|
|
isTranslating.value = false;
|
|
}
|
|
|
|
return translationResult;
|
|
}
|
|
|
|
// 拆分出的辅助方法
|
|
Map<String, String> _determineLanguageCodes() {
|
|
String detectedSourceLanguageCode;
|
|
String detectedTargetLanguageCode;
|
|
|
|
if (_isFaceToFaceSpeaker1()) {
|
|
detectedLanguageCode = sourceLanguageCode.value;
|
|
detectedSourceLanguageCode = sourceLanguageCode.value;
|
|
detectedTargetLanguageCode = targetLanguageCode.value;
|
|
} else if (_isFaceToFaceSpeaker2()) {
|
|
detectedLanguageCode = targetLanguageCode.value;
|
|
detectedSourceLanguageCode = targetLanguageCode.value;
|
|
detectedTargetLanguageCode = sourceLanguageCode.value;
|
|
} else {
|
|
final shouldSwap = detectedLanguageCode == sourceLanguageCode.value;
|
|
detectedSourceLanguageCode =
|
|
shouldSwap ? sourceLanguageCode.value : targetLanguageCode.value;
|
|
detectedTargetLanguageCode =
|
|
shouldSwap ? targetLanguageCode.value : sourceLanguageCode.value;
|
|
}
|
|
|
|
return {
|
|
'source': detectedSourceLanguageCode,
|
|
'target': detectedTargetLanguageCode,
|
|
};
|
|
}
|
|
|
|
bool _isFaceToFaceSpeaker1() {
|
|
return (currentMode.value == 'faceToFace' && activeSpeaker.value == 1) ||
|
|
(currentMode.value == 'faceToFace' &&
|
|
activeSpeaker.value == 0 &&
|
|
lastActiveSpeaker.value == 1);
|
|
}
|
|
|
|
bool _isFaceToFaceSpeaker2() {
|
|
return (currentMode.value == 'faceToFace' && activeSpeaker.value == 2) ||
|
|
(currentMode.value == 'faceToFace' &&
|
|
activeSpeaker.value == 0 &&
|
|
lastActiveSpeaker.value == 2);
|
|
}
|
|
|
|
Future<String?> _performTranslation(
|
|
String sourceText, String sourceCode, String targetCode) async {
|
|
return await _translationService.translateText(
|
|
text: sourceText,
|
|
sourceLanguageCode: sourceCode,
|
|
targetLanguageCode: targetCode,
|
|
);
|
|
}
|
|
|
|
Future<void> _updateTranslationHistory(
|
|
String sourceText,
|
|
String translationResult,
|
|
DateTime timestamp,
|
|
Map<String, String> languageCodes,
|
|
bool isFinal,
|
|
) async {
|
|
final index = translationHistory
|
|
.indexWhere((item) => item.timestamp.isAtSameMomentAs(timestamp));
|
|
|
|
if (index != -1) {
|
|
await _updateExistingHistoryItem(
|
|
index, translationResult, languageCodes, sourceText, isFinal);
|
|
} else {
|
|
Logger.info('未找到匹配的历史项 $sourceText ${timestamp.toIso8601String()}');
|
|
}
|
|
}
|
|
|
|
Future<void> _updateExistingHistoryItem(
|
|
int index,
|
|
String translationResult,
|
|
Map<String, String> languageCodes,
|
|
String sourceText,
|
|
bool isFinal,
|
|
) async {
|
|
// 更新历史项
|
|
translationHistory[index].translatedText = translationResult;
|
|
translationHistory[index].sourceLanguageCode = languageCodes['source']!;
|
|
translationHistory[index].targetLanguageCode = languageCodes['target']!;
|
|
translationHistory.refresh();
|
|
|
|
if (isFinal) {
|
|
saveTranslationHistory();
|
|
await _recordTranslationStats(
|
|
sourceText, translationResult, languageCodes);
|
|
}
|
|
|
|
_scrollToBottom();
|
|
|
|
if (isFinal) {
|
|
await _handleTtsPlayback(translationResult);
|
|
}
|
|
}
|
|
|
|
Future<void> _recordTranslationStats(
|
|
String sourceText,
|
|
String translationResult,
|
|
Map<String, String> languageCodes,
|
|
) async {
|
|
try {
|
|
final sourceLanguageName =
|
|
_languageManager.getChineseNameByAsrCode(languageCodes['source']!) ??
|
|
'未知';
|
|
final targetLanguageName =
|
|
_languageManager.getChineseNameByAsrCode(languageCodes['target']!) ??
|
|
'未知';
|
|
|
|
_usageService.recordTranslationApiCall(
|
|
sourceText: sourceText,
|
|
targetText: translationResult,
|
|
sourceLanguage: sourceLanguageName,
|
|
targetLanguage: targetLanguageName,
|
|
mode: currentMode.value,
|
|
);
|
|
|
|
Logger.info(
|
|
'翻译统计: 源文本${sourceText.length}字符, 模式${currentMode.value}, 语言对$sourceLanguageName→$targetLanguageName');
|
|
_recordAsrUsageStats(sourceLanguageName);
|
|
} catch (e) {
|
|
Logger.error('记录翻译统计失败: $e');
|
|
}
|
|
}
|
|
|
|
Future<void> _handleTtsPlayback(String translationResult) async {
|
|
if (isTtsEnabled.value && currentMode.value != 'faceToFace') {
|
|
await playTranslatedText(translationResult);
|
|
} else {
|
|
await _handleFaceToFaceTts(translationResult);
|
|
}
|
|
}
|
|
|
|
Future<void> _handleFaceToFaceTts(String translationResult) async {
|
|
fTFTranslationResult = (fTFTranslationResult ?? '') + translationResult;
|
|
print("translationResult=$translationResult");
|
|
|
|
if (activeSpeaker.value == 0 && !isPlayback) {
|
|
isPlayback = true;
|
|
await _ttsService.setAudioOutputDevice(lastActiveSpeaker.value);
|
|
await Future.delayed(const Duration(milliseconds: 1300));
|
|
await playTranslatedText(fTFTranslationResult!);
|
|
fTFTranslationResult = '';
|
|
}
|
|
}
|
|
|
|
// 播放翻译文本
|
|
Future<void> playTranslatedText(String text) async {
|
|
if (text.isEmpty) return;
|
|
|
|
try {
|
|
final bool shouldSwap = detectedLanguageCode == targetLanguageCode.value;
|
|
final detectedTargetLanguageCode =
|
|
shouldSwap ? sourceLanguageCode.value : targetLanguageCode.value;
|
|
final voiceName = _languageManager
|
|
.getTtsVoiceNameByAsrCode(detectedTargetLanguageCode) ??
|
|
'en-US-AriaNeural';
|
|
Logger.info("voiceName=$voiceName,text=$text");
|
|
|
|
final startTime = DateTime.now();
|
|
await _ttsService.setVoice(voiceName);
|
|
await _ttsService.speakOnce(currsessionid, text);
|
|
final endTime = DateTime.now();
|
|
|
|
// 记录TTS API调用统计 - 优化版（基于文本字符数计费）
|
|
try {
|
|
final durationSeconds = endTime.difference(startTime).inSeconds;
|
|
final languageName = _languageManager
|
|
.getChineseNameByAsrCode(detectedTargetLanguageCode) ??
|
|
'未知';
|
|
|
|
// TTS的主要计费依据是文本字符数，播放时长仅用于分析
|
|
_usageService.recordTtsApiCall(
|
|
text: text, // 文本字符数是TTS计费的主要依据
|
|
durationSeconds: durationSeconds, // 播放时长用于用户体验分析
|
|
language: languageName,
|
|
);
|
|
|
|
Logger.info(
|
|
'TTS统计: 文本${text.length}字符, 播放${durationSeconds}秒, 语言$languageName');
|
|
} catch (e) {
|
|
Logger.error('记录TTS统计失败: $e');
|
|
}
|
|
} catch (e) {
|
|
Logger.error('播放翻译失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
// 停止所有操作
|
|
Future<void> stopAll() async {
|
|
try {
|
|
if (currentMode.value == "audioVideo" || currentMode.value == "call") {
|
|
bleManager.closeCodec();
|
|
// 发送ble音乐或者通话远端声音
|
|
Logger.info('发送ble音乐或者通话远端声音');
|
|
}
|
|
if (isRecognizing.value) {
|
|
await stopRecognition();
|
|
}
|
|
// 确保停止ASR活跃时长跟踪
|
|
_stopAsrActiveTracking();
|
|
_translationDebounceTimer?.cancel();
|
|
await _ttsService.stop();
|
|
} catch (e) {
|
|
Logger.error('停止操作失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
// 播放特定翻译项
|
|
Future<void> playTranslationItem(TranslationItem item) async {
|
|
if (item.translatedText.isEmpty) return;
|
|
|
|
try {
|
|
final voiceName =
|
|
_languageManager.getTtsVoiceNameByAsrCode(item.targetLanguageCode) ??
|
|
'en-US-AriaNeural';
|
|
await _ttsService.setVoice(voiceName);
|
|
await _ttsService.speakOnce(currsessionid, item.translatedText);
|
|
} catch (e) {
|
|
Logger.error('播放翻译项失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
// 播放文本
|
|
Future<void> playText(String text, {String? languageCode}) async {
|
|
if (text.isEmpty) return;
|
|
|
|
try {
|
|
final voiceName = languageCode != null
|
|
? _languageManager.getTtsVoiceNameByAsrCode(languageCode) ??
|
|
'en-US-AriaNeural'
|
|
: _languageManager
|
|
.getTtsVoiceNameByAsrCode(targetLanguageCode.value) ??
|
|
'en-US-AriaNeural';
|
|
|
|
await _ttsService.setVoice(voiceName);
|
|
await _ttsService.speakOnce(currsessionid, text);
|
|
} catch (e) {
|
|
Logger.error('播放文本失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
// 滚动到底部（适配reverse模式）
|
|
void _scrollToBottom({bool animate = true}) {
|
|
if (scrollController.hasClients &&
|
|
(translationHistory.isNotEmpty || currentSessionId != null)) {
|
|
try {
|
|
// 🔑 reverse模式下：滚动到顶部（position = 0）来显示最新消息
|
|
// 正常模式下：滚动到底部（maxScrollExtent）来显示最新消息
|
|
const targetPosition = 0.0; // reverse模式下最新消息在顶部
|
|
|
|
if (animate) {
|
|
// 有动画的滚动，用于新消息添加时
|
|
scrollController.animateTo(
|
|
targetPosition,
|
|
duration: const Duration(milliseconds: 300),
|
|
curve: Curves.easeOut,
|
|
);
|
|
} else {
|
|
// 无动画的跳转，用于初始化时
|
|
scrollController.jumpTo(targetPosition);
|
|
}
|
|
} catch (e) {
|
|
Logger.error('滚动到顶部失败（reverse模式）: ${e.toString()}');
|
|
}
|
|
}
|
|
}
|
|
|
|
// 设置滚动监听器（简化版，不再需要实际监听）
|
|
void setupScrollListener() {
|
|
// 简化后的空方法，保留接口兼容性
|
|
}
|
|
|
|
// 底部控制栏高度
|
|
double _bottomBarHeight = 0.0;
|
|
|
|
// 设置底部控制栏高度
|
|
void setBottomBarHeight(double height) {
|
|
_bottomBarHeight = height;
|
|
}
|
|
|
|
// 获取底部控制栏高度
|
|
double get bottomBarHeight => _bottomBarHeight;
|
|
|
|
// 切换源语言和目标语言
|
|
void swapLanguages() {
|
|
stopAll();
|
|
|
|
final tempName = sourceLanguage.value;
|
|
sourceLanguage.value = targetLanguage.value;
|
|
targetLanguage.value = tempName;
|
|
|
|
final tempCode = sourceLanguageCode.value;
|
|
sourceLanguageCode.value = targetLanguageCode.value;
|
|
targetLanguageCode.value = tempCode;
|
|
|
|
// 保存语言设置
|
|
_saveLanguageSettings();
|
|
|
|
// 更新ASR支持的语言并重新初始化
|
|
_reinitializeAsrService();
|
|
}
|
|
|
|
// 设置源语言
|
|
void setSourceLanguage(String language) {
|
|
if (sourceLanguage.value != language) {
|
|
stopAll();
|
|
|
|
sourceLanguage.value = language;
|
|
|
|
final asrCode = _languageManager.getAsrCodeByChineseName(language);
|
|
if (asrCode != null) {
|
|
sourceLanguageCode.value = asrCode;
|
|
}
|
|
|
|
// 保存语言设置
|
|
_saveLanguageSettings();
|
|
|
|
// 更新ASR支持的语言并重新初始化
|
|
_reinitializeAsrService();
|
|
}
|
|
}
|
|
|
|
// 设置目标语言
|
|
void setTargetLanguage(String language) {
|
|
if (targetLanguage.value != language) {
|
|
stopAll();
|
|
|
|
targetLanguage.value = language;
|
|
|
|
final asrCode = _languageManager.getAsrCodeByChineseName(language);
|
|
if (asrCode != null) {
|
|
targetLanguageCode.value = asrCode;
|
|
}
|
|
|
|
// 保存语言设置
|
|
_saveLanguageSettings();
|
|
|
|
// 更新ASR支持的语言并重新初始化
|
|
_reinitializeAsrService();
|
|
}
|
|
}
|
|
|
|
// 重新初始化ASR服务以支持新的语言
|
|
Future<void> _reinitializeAsrService() async {
|
|
try {
|
|
// 停止当前识别
|
|
await stopRecognition();
|
|
|
|
// 更新ASR支持的语言
|
|
final List<String> asrSupportedLanguages = [
|
|
sourceLanguageCode.value,
|
|
targetLanguageCode.value
|
|
];
|
|
|
|
Logger.info('重新初始化ASR服务，支持语言: $asrSupportedLanguages');
|
|
|
|
// 重新初始化ASR服务
|
|
await _asrService.initialize(
|
|
supportedLanguages: asrSupportedLanguages,
|
|
);
|
|
|
|
// 获取识别事件流 - 这启动了异步识别过程
|
|
var recognitionStream = await _asrService.recognizeCallback();
|
|
// 监听识别结果
|
|
_recognitionSubscription?.cancel();
|
|
_recognitionSubscription =
|
|
recognitionStream.listen(_handleRecognitionEvent);
|
|
|
|
//判断是否进入通话
|
|
if (currentMode.value == "call") {
|
|
// 重新初始化ASR服务以支持通话音频源
|
|
_initializeCallModeTranslationService();
|
|
}
|
|
Logger.info('ASR服务重新初始化成功');
|
|
} catch (e) {
|
|
Logger.error('重新初始化ASR服务失败: ${e.toString()}');
|
|
}
|
|
}
|
|
|
|
void loadTranslationHistory() => _historyManager.loadTranslationHistory();
|
|
|
|
// 更新历史记录相关方法
|
|
void saveTranslationHistory() => _historyManager.saveTranslationHistory();
|
|
|
|
// 设置滚动监听器（适配reverse模式）
|
|
void _setupScrollListener() {
|
|
if (_scrollListenerSetup) return; // 防止重复设置
|
|
|
|
scrollController.addListener(() {
|
|
// 🔑 reverse模式下：检查是否滚动到底部（实际是历史记录的顶部）
|
|
// 参考Agent模块的实现
|
|
if (scrollController.position.pixels >=
|
|
scrollController.position.maxScrollExtent - 100) {
|
|
// 当距离底部100像素时触发加载更多历史记录
|
|
if (hasMoreHistory.value && !isLoadingMore.value) {
|
|
Logger.d(TAG, '触发加载更多翻译历史记录（reverse模式）');
|
|
loadMoreHistory();
|
|
}
|
|
}
|
|
});
|
|
|
|
_scrollListenerSetup = true;
|
|
}
|
|
|
|
void clearTranslationHistory() => _historyManager.clearTranslationHistory();
|
|
|
|
void deleteSessionHistory(String sessionId) =>
|
|
_historyManager.deleteSessionHistory(sessionId);
|
|
|
|
void deleteTranslationItem(String sessionId, DateTime timestamp) =>
|
|
_historyManager.deleteTranslationItem(sessionId, timestamp);
|
|
List<TranslationItem> getAllHistory() => _historyManager.getAllHistory();
|
|
Future<void> loadMoreHistory() => _historyManager.loadMoreHistory();
|
|
void scrollToBottom({bool animate = true}) =>
|
|
_historyManager.scrollToBottom(animate: animate);
|
|
|
|
/// 开始ASR活跃时长跟踪
|
|
void _startAsrActiveTracking() {
|
|
if (!_isAsrActive) {
|
|
_asrActiveStartTime = DateTime.now();
|
|
_isAsrActive = true;
|
|
Logger.info('开始ASR活跃时长跟踪');
|
|
}
|
|
}
|
|
|
|
/// 停止ASR活跃时长跟踪
|
|
void _stopAsrActiveTracking() {
|
|
if (_isAsrActive && _asrActiveStartTime != null) {
|
|
final activeDuration = DateTime.now().difference(_asrActiveStartTime!);
|
|
_asrActiveDuration += activeDuration;
|
|
_isAsrActive = false;
|
|
_asrActiveStartTime = null;
|
|
Logger.info('停止ASR活跃时长跟踪，本次活跃时长: ${activeDuration.inSeconds}秒');
|
|
}
|
|
}
|
|
|
|
/// 记录ASR使用统计 - 基于精确时长跟踪
|
|
void _recordAsrUsageStats(String language) {
|
|
try {
|
|
if (_asrSessionStartTime == null) return;
|
|
|
|
// 确保停止当前的活跃时长跟踪
|
|
_stopAsrActiveTracking();
|
|
|
|
final now = DateTime.now();
|
|
final totalDurationSeconds =
|
|
now.difference(_asrSessionStartTime!).inSeconds;
|
|
final effectiveDurationSeconds = _asrActiveDuration.inSeconds;
|
|
|
|
_usageService.recordAsrApiCall(
|
|
effectiveDurationSeconds: effectiveDurationSeconds,
|
|
totalDurationSeconds: totalDurationSeconds,
|
|
language: language,
|
|
mode: currentMode.value,
|
|
audioFormat: 'pcm',
|
|
sampleRate: 16000,
|
|
);
|
|
|
|
Logger.info(
|
|
'ASR会话统计: 总时长${totalDurationSeconds}秒, 实际活跃时长${effectiveDurationSeconds}秒, 语言$language');
|
|
} catch (e) {
|
|
Logger.error('记录ASR统计失败: $e');
|
|
}
|
|
}
|
|
}
|
|
|