上传代码

lib/scenes/SoundRecordScene.dart

@@ -4,8 +4,8 @@ import 'dart:typed_data';
 import 'package:demo001/xunfei/xunfei.dart';
 import 'package:flutter/material.dart';
 import 'package:path_provider/path_provider.dart';
-import 'package:flutter_sound/flutter_sound.dart';
-import 'package:just_audio/just_audio.dart';
+import 'package:just_audio/just_audio.dart' as just_audio;
+import 'package:flutter_sound/flutter_sound.dart' as flutter_sound;
 import 'package:permission_handler/permission_handler.dart';
 
 class SoundRecordScene extends StatefulWidget {
@@ -15,8 +15,8 @@ class SoundRecordScene extends StatefulWidget {
 
 class _SoundRecordSceneState extends State<SoundRecordScene> {
   late ISDK _sdk;
-  FlutterSoundRecorder? _soundRecorder;
-  AudioPlayer? _audioPlayer;
+  flutter_sound.FlutterSoundRecorder? _soundRecorder;
+  just_audio.AudioPlayer? _audioPlayer;
   bool _isRecorderReady = false;
   bool _isRecording = false;
   bool _isSpeaking = false; //是否说话
@@ -34,7 +34,7 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
   final Duration _silenceDuration = Duration(seconds: 1); // 持续低于阈值的时间
 
   // 采样率和声道数
-  Codec _audiocodec = Codec.pcm16;
+  flutter_sound.Codec _audiocodec = flutter_sound.Codec.pcm16;
   final int _sampleRate = 16000; // 16kHz 采样率
   final int _numChannels = 1; // 单声道
   StreamController<Uint8List> _audioDataStreamController =
@@ -46,7 +46,7 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
         appId: "137dc132",
         apiKey: "1c1891a475e71250ecd1320303ad6545",
         apiSecret: "MjZhNDA1NTI1NWZkZDQxOTMxYzMyN2Yw");
-    _audioPlayer = AudioPlayer();
+    _audioPlayer = just_audio.AudioPlayer();
     _requestPermissions();
     _initRecorder();
   }
@@ -54,14 +54,15 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
   // 初始化录音器
   void _initRecorder() async {
     try {
-      _soundRecorder = FlutterSoundRecorder();
+      _soundRecorder = flutter_sound.FlutterSoundRecorder();
       await _soundRecorder?.openRecorder();
       await _soundRecorder
           ?.setSubscriptionDuration(const Duration(milliseconds: 100));
       //检查编解码器是否支持
-      if (!await _soundRecorder!.isEncoderSupported(Codec.pcm16)) {
+      if (!await _soundRecorder!
+          .isEncoderSupported(flutter_sound.Codec.pcm16)) {
         _log("PCM16 codec is not supported on this device.");
-        _audiocodec = Codec.aacADTS;
+        _audiocodec = flutter_sound.Codec.aacADTS;
       }
       setState(() {
         _isRecorderReady = true;
@@ -112,7 +113,8 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
         numChannels: _numChannels, // 设置声道数
         enableVoiceProcessing: true, // 启用音量监听
       );
-      _soundRecorder?.onProgress!.listen((RecordingDisposition event) {
+      _soundRecorder?.onProgress!
+          .listen((flutter_sound.RecordingDisposition event) {
         // _log('onProgress 回调触发, 分贝: ${event.decibels}');
         if (event.decibels != null) {
           setState(() {
@@ -226,7 +228,9 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
 
   //任务状态变化
   void _taskchange(ITaskTrans task) {
-    if (task.state() == 2) {}
+    if (task.state() == 3) {
+      playAudioStream(task.translateAudio());
+    }
   }
 
   // 添加日志信息并自动滚动
@@ -254,13 +258,18 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
 // 播放音频流
   void playAudioStream(Stream<Uint8List> audioStream) async {
     try {
-      await for (var chunk in audioStream) {
-        // 每次接收到音频数据块后，播放它
-        await _audioPlayer?.setUrl(Uri.dataFromBytes(chunk).toString());
-        await _audioPlayer?.play();
-      }
+      // 创建自定义的 AudioSource
+      final audioSource = CustomStreamAudioSource(
+        audioStream: audioStream,
+        contentLength: null, // 如果不知道音频数据长度，设置为 null
+      );
+      // 设置音频源并播放
+      await _audioPlayer?.setAudioSource(audioSource);
+      await _audioPlayer?.play();
+
+      print('音频流播放开始');
     } catch (e) {
-      print("音频流播放错误: $e");
+      print('播放音频流失败: $e');
     }
   }
 
@@ -399,3 +408,41 @@ class _SoundRecordSceneState extends State<SoundRecordScene> {
     );
   }
 }
+
+class CustomStreamAudioSource extends just_audio.StreamAudioSource {
+  final Stream<Uint8List> audioStream;
+  final int? contentLength;
+
+  CustomStreamAudioSource({
+    required this.audioStream,
+    this.contentLength,
+  });
+
+  @override
+  Future<just_audio.StreamAudioResponse> request([int? start, int? end]) async {
+    try {
+      // 将 Stream<Uint8List> 转换为 Stream<List<int>>
+      final stream = audioStream.map((uint8List) => uint8List.toList());
+
+      // 处理范围请求
+      if (start != null || end != null) {
+        // 这里假设音频流支持范围请求
+        // 如果音频流不支持范围请求，可以忽略 start 和 end 参数
+        // 或者抛出一个异常
+        throw UnsupportedError('Range requests are not supported');
+      }
+
+      // 返回 StreamAudioResponse
+      return just_audio.StreamAudioResponse(
+        stream: stream,
+        contentLength: contentLength,
+        sourceLength: null,
+        offset: null,
+        contentType: 'audio/mpeg',
+      );
+    } catch (e) {
+      print('请求音频流失败: $e');
+      rethrow;
+    }
+  }
+}

pubspec.yaml

@@ -43,7 +43,7 @@ dependencies:
   path_provider: ^2.1.5
   flutter_sound: ^9.19.1
   permission_handler: ^11.3.1
-  just_audio: ^0.9.44
+  just_audio: ^0.9.45
 
 dev_dependencies:
   flutter_test: