From f33fd6e97531efaef27ce4d7ef32a3a5cdbff9f9 Mon Sep 17 00:00:00 2001 From: liwei1dao Date: Sun, 2 Feb 2025 00:02:46 +0800 Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lib/scenes/SoundRecordScene.dart | 81 +++++++++++++++++++++++++------- pubspec.yaml | 2 +- 2 files changed, 65 insertions(+), 18 deletions(-) diff --git a/lib/scenes/SoundRecordScene.dart b/lib/scenes/SoundRecordScene.dart index 13128af..833f7e9 100644 --- a/lib/scenes/SoundRecordScene.dart +++ b/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 { 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 { 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 _audioDataStreamController = @@ -46,7 +46,7 @@ class _SoundRecordSceneState extends State { appId: "137dc132", apiKey: "1c1891a475e71250ecd1320303ad6545", apiSecret: "MjZhNDA1NTI1NWZkZDQxOTMxYzMyN2Yw"); - _audioPlayer = AudioPlayer(); + _audioPlayer = just_audio.AudioPlayer(); _requestPermissions(); _initRecorder(); } @@ -54,14 +54,15 @@ class _SoundRecordSceneState extends State { // 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 { 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 { //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 { // 播放音频流 void playAudioStream(Stream 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 { ); } } + +class CustomStreamAudioSource extends just_audio.StreamAudioSource { + final Stream audioStream; + final int? contentLength; + + CustomStreamAudioSource({ + required this.audioStream, + this.contentLength, + }); + + @override + Future request([int? start, int? end]) async { + try { + // 将 Stream 转换为 Stream> + 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; + } + } +} diff --git a/pubspec.yaml b/pubspec.yaml index c501b95..caaa774 100644 --- a/pubspec.yaml +++ b/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: