81 lines
2.3 KiB
Dart
81 lines
2.3 KiB
Dart
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import 'dart:io';
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import 'package:loopin/IM/im_core.dart';
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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 VoiceService {
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static final VoiceService _instance = VoiceService._internal();
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factory VoiceService() => _instance;
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VoiceService._internal();
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final AudioRecorder _recorder = AudioRecorder();
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String? _voiceFilePath;
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DateTime? _startTime;
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/// 开始录音
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Future<bool> startRecording() async {
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if (await _recorder.hasPermission()) {
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final dir = await getTemporaryDirectory(); // 临时目录
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final filePath = '${dir.path}/${DateTime.now().millisecondsSinceEpoch}.m4a';
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_voiceFilePath = filePath;
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_startTime = DateTime.now();
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await _recorder.start(
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const RecordConfig(
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encoder: AudioEncoder.aacLc,
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bitRate: 128000,
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sampleRate: 44100,
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),
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path: filePath,
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);
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logger.i('开始录音，文件路径: $filePath');
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return true;
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} else {
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logger.e("没有录音权限");
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return false;
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}
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}
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/// 停止录音并返回文件路径
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Future<Map<String, dynamic>?> stopRecording() async {
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await _recorder.stop();
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if (_voiceFilePath != null && File(_voiceFilePath!).existsSync() && _startTime != null) {
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final duration = DateTime.now().difference(_startTime!);
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final durationSeconds = duration.inSeconds;
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if (durationSeconds < 1 || durationSeconds > 60) {
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logger.w('录音时长不在允许范围（1-60秒），删除文件: $_voiceFilePath，时长: $durationSeconds 秒');
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try {
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await File(_voiceFilePath!).delete();
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} catch (e) {
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logger.e('删除录音文件失败: $e');
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}
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return null;
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}
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logger.i('录音完成: $_voiceFilePath，时长: ${duration.inSeconds}秒');
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return {
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'path': _voiceFilePath,
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'duration': duration.inMilliseconds,
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};
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}
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logger.e("没有录到音频文件");
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return null;
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}
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/// 取消录音（删除文件）
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Future<void> cancelRecording() async {
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await _recorder.stop();
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if (_voiceFilePath != null) {
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final file = File(_voiceFilePath!);
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if (await file.exists()) {
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await file.delete();
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logger.i('录音已取消并删除');
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}
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}
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_voiceFilePath = null;
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}
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}
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