refactor(meeting): 替换自定义波形实现为audio_waveforms库

移除自定义波形动画和数据处理逻辑，改用audio_waveforms库实现
简化控制器代码，移除未使用的变量和动画控制器
更新视图层以适配新的波形显示组件

lib/modules/meeting/controllers/meeting_record_controller.dart

@@ -5,6 +5,7 @@ import 'dart:math';
 import 'dart:typed_data';
 import '/core/utils/logger.dart';
 import '/core/utils/permission_util.dart';
+import 'package:audio_waveforms/audio_waveforms.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:intl/intl.dart';
@@ -40,7 +41,9 @@ class MeetingRecordController extends GetxController
   final RxBool showTextContent = false.obs;
   final RxBool isRecording = false.obs;
   //final RxBool isVoiceRecognitionActive = false.obs;
-  final RxList<double> waveData = <double>[].obs;
+  final RxDouble rms = 0.0.obs;
+
+  final RecorderController waveformController = RecorderController();
 
   // Transcription content
   final RxString intermediateContent = ''.obs;
@@ -61,46 +64,23 @@ class MeetingRecordController extends GetxController
   // 移除了未使用的变量和TabController
 
   StreamSubscription<Uint8List>? _audioDataSubscription;
-  // 简化的音波数据管理
+  double _smoothedRms = 0.0;
-  final int frameIntervalMs = 300; // 300ms间隔，更稳定的帧率
+  double _latestRms = 0.0;
-  int maxVisibleBars = 60; // 最大可见波形条数量
+  Timer? _waveformTimer;
-  Timer? _audioFrameTimer; // 音频帧定时器
+  static const Duration _waveformTick = Duration(milliseconds: 40);
-  double _currentFrameAmplitude = 0.0; // 当前帧累积振幅
+  static const int _maxWaveSamples = 1200;
-  int _currentFrameSamples = 0; // 当前帧样本数量
-
-  // 性能优化：音频处理采样控制
-  int _audioProcessCounter = 0;
-  static const int _audioProcessInterval = 1; // 每1个音频包处理1次
-
-  // 波形流动动画控制器
-  late AnimationController waveformAnimationController;
-  late Animation<double> waveformAnimation;
-
-  // 数据更新控制器 - 统一管理数据更新和动画
-  late AnimationController _dataUpdateController;
-  late Animation<double> _dataUpdateAnimation;
-  // 设置最大可见波形条数量（根据屏幕宽度）
-  void setMaxVisibleBars(double screenWidth) {
-    const barWidth = 3.0; // 波形条宽度
-    const barSpacing = 1.0; // 波形条间距
-    maxVisibleBars = (screenWidth / (barWidth + barSpacing)).floor();
-  }
 
   @override
   void onInit() {
     super.onInit();
     _initializeComponents();
     _setupFromArguments();
-    _initializeWaveformAnimation();
     //generateWaveData();
   }
 
   @override
   void onClose() {
     _cleanupResources();
-    // 清理两个AnimationController
-    waveformAnimationController.dispose();
-    _dataUpdateController.dispose();
     super.onClose();
   }
 
@@ -134,56 +114,6 @@ class MeetingRecordController extends GetxController
     titleFocusNode.addListener(_handleTitleFocusChange);
   }
 
-  /// 初始化波形流动动画和数据更新控制器
-  void _initializeWaveformAnimation() {
-    // 1. 数据更新控制器 - 控制数据提交频率
-    _dataUpdateController = AnimationController(
-      duration: Duration(milliseconds: frameIntervalMs), // 250ms 一次数据更新
-      vsync: this,
-    );
-
-    _dataUpdateAnimation =
-        Tween<double>(begin: 0.0, end: 1.0).animate(_dataUpdateController);
-
-    // 监听数据更新动画，每个周期结束时提交数据
-    _dataUpdateAnimation.addListener(() {
-      if (!isRecording.value) return;
-
-      // 每个动画周期结束时，才提交一次数据
-      if (_dataUpdateController.value >= 1.0) {
-        _commitAudioFrame();
-
-        // 重置动画，继续循环
-        _dataUpdateController.reset();
-        if (isRecording.value) {
-          _dataUpdateController.forward();
-        }
-      }
-    });
-
-    // 2. 波形流动动画控制器 - 控制视觉流动效果
-    waveformAnimationController = AnimationController(
-      duration: Duration(milliseconds: frameIntervalMs), // 与数据更新同步
-      vsync: this,
-    );
-
-    waveformAnimation = Tween<double>(
-      begin: 0.0,
-      end: 1.0,
-    ).animate(CurvedAnimation(
-      parent: waveformAnimationController,
-      curve: Curves.linear, // 线性动画确保匀速流动
-    ));
-
-    // 监听动画完成，实现连续循环
-    waveformAnimationController.addStatusListener((status) {
-      if (status == AnimationStatus.completed && isRecording.value) {
-        waveformAnimationController.reset();
-        waveformAnimationController.forward();
-      }
-    });
-  }
-
   /// Sets up initial state from navigation arguments
   void _setupFromArguments() {
     final Map<String, dynamic> args = Get.arguments ?? {};
@@ -207,8 +137,7 @@ class MeetingRecordController extends GetxController
   /// Cleans up resources when controller is disposed
   void _cleanupResources() {
     _timer?.cancel();
-    _audioFrameTimer?.cancel(); // 清理音频帧定时器
+    _stopWaveformTimer();
-    // AnimationController在onClose中统一清理
     _recognitionSubscription?.cancel();
     _recognitionSubscription = null;
     _audioDataSubscription?.cancel();
@@ -220,6 +149,11 @@ class MeetingRecordController extends GetxController
     }
     _asrService.stopRecord(true);
     isRecording.value = false;
+    rms.value = 0.0;
+    _smoothedRms = 0.0;
+    _latestRms = 0.0;
+    waveformController.reset();
+    waveformController.dispose();
   }
 
   /// Handles focus changes in title text field
@@ -321,8 +255,6 @@ class MeetingRecordController extends GetxController
       // 1. 实时音频可视化
       // 2. 音频质量检测
       // 3. 发送到其他服务
-      Logger.d("AudioData", "接收到音频数据: ${audioData.length} 字节");
-
       // 处理音频数据的逻辑
       _processAudioData(audioData);
     });
@@ -333,12 +265,10 @@ class MeetingRecordController extends GetxController
     newName.value = fullFileName;
     titleEditingController.text = fullFileName;
 
-    // 启动波形动画和音频帧定时器
-    _startWaveformAnimation();
-    _startAudioFrameTimer();
-
     // Start hardware components
     _startHardwareServices();
+    _resetWaveform();
+    _startWaveformTimer();
     startTimer();
   }
 
@@ -362,55 +292,59 @@ class MeetingRecordController extends GetxController
   /// Pauses current recording session
   Future<void> _pauseRecording() async {
     await _asrService.pauseRecord();
-    _stopWaveformAnimation(); // 暂停时停止动画
+    _stopWaveformTimer();
-    _stopAudioFrameTimer(); // 停止音频帧定时器
+    rms.value = 0.0;
     pauseTimer();
   }
 
   /// Resumes paused recording session
   Future<void> _resumeRecording() async {
     await _asrService.resumeRecord();
-    _startWaveformAnimation(); // 恢复时启动动画
+    _startWaveformTimer();
-    _startAudioFrameTimer(); // 重启音频帧定时器
     startTimer();
   }
 
-  /// 处理原始Uint8List音频数据 - 只累积，不更新UI，性能优化
+  /// 处理原始Uint8List音频数据
   void _processAudioData(Uint8List audioData) {
     if (!isRecording.value) return;
-
+    final next = _calculateAmplitude(audioData);
-    // 性能优化：不是每个音频包都处理，减少CPU占用
+    if (_smoothedRms == 0.0) {
-    _audioProcessCounter++;
+      _smoothedRms = next;
-    if (_audioProcessCounter % _audioProcessInterval != 0) {
+    } else {
-      return; // 跳过这次处理
+      _smoothedRms = _smoothedRms * 0.8 + next * 0.2;
     }
+    rms.value = _smoothedRms;
+    _latestRms = _smoothedRms;
+  }
 
-    // 将音频数据转换为振幅值并累积到当前帧
+  void _resetWaveform() {
-    final amplitude = _calculateAmplitude(audioData);
+    waveformController.reset();
-    _currentFrameAmplitude += amplitude;
+    waveformController.updateFrequency = _waveformTick;
-    _currentFrameSamples++;
   }
 
-  /// 提交音频帧数据到波形显示
+  void _startWaveformTimer() {
-  void _commitAudioFrame() {
+    _waveformTimer?.cancel();
-    // 计算当前帧的平均振幅
+    _waveformTimer = Timer.periodic(_waveformTick, (_) {
-    double frameAmplitude = 0.0;
+      if (!isRecording.value) return;
-    if (_currentFrameSamples > 0) {
+      if (timerStatus.value != TimerStatus.running) return;
-      frameAmplitude = _currentFrameAmplitude / _currentFrameSamples;
+      _appendWaveSample(_latestRms);
-    }
+    });
+  }
 
-    // 转换为显示数据
+  void _stopWaveformTimer() {
-    final newAmplitude = frameAmplitude * 800.0;
+    _waveformTimer?.cancel();
+    _waveformTimer = null;
+  }
 
-    // 更新波形数据
+  void _appendWaveSample(double value) {
-    if (waveData.length >= maxVisibleBars) {
+    final normalized = value.clamp(0.0, 1.0);
-      waveData.removeAt(0);
+    final eased = sqrt(normalized);
+    final data = waveformController.waveData;
+    data.add(eased);
+    if (data.length > _maxWaveSamples) {
+      data.removeRange(0, data.length - _maxWaveSamples);
     }
-    waveData.add(newAmplitude);
+    waveformController.notifyListeners();
-
-    // 重置当前帧数据
-    _currentFrameAmplitude = 0.0;
-    _currentFrameSamples = 0;
   }
 
   /// 计算音频数据的振幅
@@ -436,48 +370,10 @@ class MeetingRecordController extends GetxController
     return (rms / 32768.0).clamp(0.0, 1.0);
   }
 
-  /// 启动数据更新控制器 - 替代Timer
-  void _startAudioFrameTimer() {
-    _audioFrameTimer?.cancel(); // 清理旧的Timer（如果有）
-    _audioFrameTimer = null;
-
-    // 启动数据更新控制器
-    _dataUpdateController.forward();
-  }
-
-  /// 停止数据更新控制器
-  void _stopAudioFrameTimer() {
-    _audioFrameTimer?.cancel();
-    _audioFrameTimer = null;
-
-    // 停止数据更新控制器
-    _dataUpdateController.stop();
-    _dataUpdateController.reset();
-
-    // 重置当前帧数据和计数器
-    _currentFrameAmplitude = 0.0;
-    _currentFrameSamples = 0;
-    _audioProcessCounter = 0; // 重置音频处理计数器
-  }
-
-  /// 启动波形流动动画
-  void _startWaveformAnimation() {
-    if (isRecording.value && !waveformAnimationController.isAnimating) {
-      waveformAnimationController.forward();
-    }
-  }
-
-  /// 停止波形动画
-  void _stopWaveformAnimation() {
-    waveformAnimationController.stop();
-    waveformAnimationController.reset();
-  }
-
   /// Saves recording and cleans up resources
   Future<void> saveRecording() async {
     resetTimer();
-    _stopWaveformAnimation(); // 停止波形动画
+    _stopWaveformTimer();
-    _stopAudioFrameTimer(); // 停止音频帧定时器
     if (audioType.value != 0) {
       _bleManager.closeCodec();
     }
@@ -506,6 +402,10 @@ class MeetingRecordController extends GetxController
 
     _resetToDefaultState();
     isRecording.value = false;
+    rms.value = 0.0;
+    _smoothedRms = 0.0;
+    _latestRms = 0.0;
+    _resetWaveform();
   }
 
   /// Resets controller to initial state
@@ -571,15 +471,4 @@ class MeetingRecordController extends GetxController
     seconds.value = 0;
     timerStatus.value = TimerStatus.stopped;
   }
-
-  /// UI HELPERS SECTION ///
-
-  /// Generates mock waveform data for visualization
-  void generateWaveData() {
-    waveData.value = List.generate(120, (i) {
-      final rand = (i % 20) / 20;
-      final baseHeight = (sin(i / 5) * 0.5 + 0.5) * 25;
-      return baseHeight + rand * 10;
-    });
-  }
 }

lib/modules/meeting/views/meeting_record_view.dart

@@ -1,5 +1,5 @@
-import 'dart:async';
+import 'dart:ui' as ui;
-import 'dart:math' as math;
+import 'package:audio_waveforms/audio_waveforms.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 import 'package:get/get.dart';
@@ -108,16 +108,21 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
         // 使用LayoutBuilder获取准确的屏幕宽度
         final screenWidth = constraints.maxWidth;
 
-        // 初始化最大可见波形条数量
-        controller.setMaxVisibleBars(screenWidth);
-
         return Column(
           children: [
-            SizedBox(height: 24.h),
+            SizedBox(height: 16.h),
+            Padding(
+              padding: EdgeInsets.symmetric(horizontal: 16.w),
+              child: Align(
+                alignment: Alignment.centerLeft,
+                child: _buildRecordTypeBadge(isDarkMode),
+              ),
+            ),
+            SizedBox(height: 12.h),
             // 实时流动波形显示区域
             Container(
               height: 200.h,
-              margin: EdgeInsets.symmetric(horizontal: 16.w),
+              margin: EdgeInsets.zero,
               decoration: BoxDecoration(
                 gradient: LinearGradient(
                   begin: Alignment.topCenter,
@@ -155,12 +160,49 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
                 borderRadius: BorderRadius.circular(12.r),
                 child: Stack(
                   children: [
-                    // 实时流动波形绘制组件
+                    Obx(() {
-                    _WaveformWidget(
+                      final size = Size(screenWidth, 200.h);
-                      controller: controller,
+                      final waveColor =
-                      isDarkMode: isDarkMode,
+                          isDarkMode ? Colors.white : Colors.black87;
-                      size: Size(screenWidth - 32.w, 200.h),
+                      final shader = ui.Gradient.linear(
-                    ),
+                        const Offset(0, 0),
+                        Offset(size.width, 0),
+                        [
+                          waveColor.withValues(alpha: 0.0),
+                          waveColor.withValues(alpha: 0.25),
+                          waveColor.withValues(alpha: 0.6),
+                          waveColor.withValues(alpha: 0.95),
+                        ],
+                        const [0.0, 0.55, 0.8, 1.0],
+                      );
+
+                      return Center(
+                        child: AudioWaveforms(
+                          size: size,
+                          recorderController: controller.waveformController,
+                          backgroundColor: Colors.transparent,
+                          waveStyle: WaveStyle(
+                            waveThickness: 1.w,
+                            spacing: 2.w,
+                            waveCap: StrokeCap.round,
+                            showMiddleLine: true,
+                            middleLineColor: Colors.redAccent.withValues(
+                              alpha: controller.timerStatus.value ==
+                                      TimerStatus.running
+                                  ? 0.9
+                                  : 0.0,
+                            ),
+                            middleLineThickness: 1.w,
+                            showTop: true,
+                            showBottom: true,
+                            extendWaveform: true,
+                            // gradient: shader,
+                            waveColor: waveColor,
+                            scaleFactor: 90,
+                          ),
+                        ),
+                      );
+                    }),
 
                     // 录音状态指示器
                     Obx(() {
@@ -217,7 +259,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
                     fontWeight: FontWeight.normal,
                     color: isDarkMode ? Colors.white : Colors.black87,
                     fontFeatures: const [
-                      FontFeature.tabularFigures()
+                      ui.FontFeature.tabularFigures()
                     ], // 使用等宽数字，避免跳动
                   ),
                 )),
@@ -250,6 +292,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
             tooltip: controller.isMarked.value
                 ? 'unmarkFavorite'.tr
                 : 'markFavorite'.tr,
+            isDarkMode: isDarkMode,
           ),
           // 录音按钮
           _buildActionButton(
@@ -265,6 +308,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
             tooltip: controller.timerStatus.value == TimerStatus.running
                 ? 'pauseRecording'.tr
                 : 'startRecording'.tr,
+            isDarkMode: isDarkMode,
           ),
           // 完成按钮
           _buildActionButton(
@@ -276,6 +320,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
             ),
             radius: 32.w,
             tooltip: 'finishRecording'.tr,
+            isDarkMode: isDarkMode,
           ),
         ],
       ),
@@ -288,11 +333,14 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
     required Widget child,
     required double radius,
     required String tooltip,
+    required bool isDarkMode,
   }) {
+    final Color bgColor = isDarkMode ? const Color(0xFF1E1E1E) : Colors.white;
+
     return Tooltip(
       message: tooltip,
       child: Material(
-        color: Colors.white,
+        color: bgColor,
         shape: const CircleBorder(),
         elevation: 4,
         child: InkWell(
@@ -300,7 +348,7 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
           customBorder: const CircleBorder(),
           child: CircleAvatar(
             radius: radius,
-            backgroundColor: Colors.white,
+            backgroundColor: bgColor,
             child: child,
           ),
         ),
@@ -308,6 +356,60 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
     );
   }
 
+  Widget _buildRecordTypeBadge(bool isDarkMode) {
+    return Obx(() {
+      String label;
+      IconData icon;
+      Color color;
+
+      switch (controller.audioType.value) {
+        case 0:
+          label = 'liveRecording'.tr;
+          icon = Icons.mic_rounded;
+          color = Colors.red;
+          break;
+        case 1:
+          label = 'audioVideoRecording'.tr;
+          icon = Icons.videocam_rounded;
+          color = Colors.green;
+          break;
+        case 2:
+        default:
+          label = 'callRecording'.tr;
+          icon = Icons.phone_in_talk_rounded;
+          color = Colors.orange;
+          break;
+      }
+
+      return Container(
+        padding: EdgeInsets.symmetric(horizontal: 10.w, vertical: 6.h),
+        decoration: BoxDecoration(
+          color: color.withValues(alpha: isDarkMode ? 0.25 : 0.12),
+          borderRadius: BorderRadius.circular(999.r),
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Icon(
+              icon,
+              size: 18.sp,
+              color: isDarkMode ? Colors.white : color,
+            ),
+            SizedBox(width: 6.w),
+            Text(
+              label,
+              style: TextStyle(
+                fontSize: 13.sp,
+                fontWeight: FontWeight.w500,
+                color: isDarkMode ? Colors.white : Colors.black87,
+              ),
+            ),
+          ],
+        ),
+      );
+    });
+  }
+
   // 底部编辑弹窗
   void _bottomSheet(BuildContext context, bool isDarkMode) {
     Get.bottomSheet(
@@ -450,218 +552,3 @@ class MeetingRecordView extends GetView<MeetingRecordController> {
     );
   }
 }
-
-/// 简化的实时流动波形绘制器
-class RealTimeWaveformPainter extends CustomPainter {
-  final List<double> waveData;
-  final bool isDarkMode;
-  final bool isRecording;
-  final double animationValue; // 动画值，用于流动效果
-
-  RealTimeWaveformPainter({
-    required this.waveData,
-    required this.isDarkMode,
-    required this.isRecording,
-    this.animationValue = 0.0,
-  });
-
-  @override
-  void paint(Canvas canvas, Size size) {
-    final centerY = size.height / 2;
-
-    // 绘制中央基准线
-    _drawCenterLine(canvas, size, centerY);
-
-    // 只在录音状态下且有波形数据时才绘制波形
-    if (isRecording && waveData.isNotEmpty) {
-      _drawWaveform(canvas, size, centerY);
-    }
-  }
-
-  /// 绘制中央基准线
-  void _drawCenterLine(Canvas canvas, Size size, double centerY) {
-    final linePaint = Paint()
-      ..color =
-          (isDarkMode ? Colors.white : Colors.black).withValues(alpha: 0.15)
-      ..strokeWidth = 1.0;
-
-    canvas.drawLine(
-      Offset(0, centerY),
-      Offset(size.width, centerY),
-      linePaint,
-    );
-  }
-
-  /// 绘制简化的流动波形
-  void _drawWaveform(Canvas canvas, Size size, double centerY) {
-    const double barWidth = 3.0; // 波形条宽度
-    const double barSpacing = 1.0; // 波形条间距
-    const double totalBarWidth = barWidth + barSpacing;
-
-    // 计算可显示的波形条数量
-    final maxBars = (size.width / totalBarWidth).floor();
-    final visibleBars = waveData.length > maxBars ? maxBars : waveData.length;
-
-    // 计算流动偏移量（从右向左移动）
-    final flowOffset = animationValue * totalBarWidth;
-
-    // 从右到左绘制波形条
-    for (int i = 0; i < visibleBars; i++) {
-      final dataIndex = waveData.length - 1 - i;
-      final amplitude = waveData[dataIndex];
-
-      // 计算波形条的x位置（从右侧开始，向左排列）
-      final x = size.width - (i + 1) * totalBarWidth + flowOffset;
-
-      // 跳过屏幕外的波形条
-      if (x < -barWidth || x > size.width) continue;
-
-      _drawWaveBar(
-          canvas, x, centerY, amplitude, i.toDouble(), visibleBars.toDouble());
-    }
-  }
-
-  /// 绘制单个波形条
-  void _drawWaveBar(Canvas canvas, double x, double centerY, double amplitude,
-      double index, double totalBars) {
-    const double barWidth = 2.0;
-    const double maxHeight = 200.0;
-    const double minHeight = 4.0; // 最小基础高度
-    const double containerPadding = 10.0; // 容器内边距，防止超出边界
-
-    // 计算可用的最大高度（考虑容器边界）
-    final availableHeight = (centerY - containerPadding) * 2; // 上下对称
-    final effectiveMaxHeight = math.min(maxHeight, availableHeight);
-
-    // 优化波形条高度计算：确保有基础高度 + 振幅变化
-    final normalizedAmplitude = (amplitude / 100.0).clamp(0.0, 1.0);
-    final dynamicHeight =
-        normalizedAmplitude * (effectiveMaxHeight - minHeight);
-    final barHeight = minHeight + dynamicHeight;
-
-    // 计算透明度（越新的波形条越不透明）
-    //final opacity = (1.0 - (index / totalBars) * 0.6).clamp(0.3, 1.0);
-
-    // 创建波形条矩形
-    final rect = RRect.fromRectAndRadius(
-      Rect.fromCenter(
-        center: Offset(x + barWidth / 2, centerY),
-        width: barWidth,
-        height: barHeight, // 使用优化后的高度
-      ),
-      const Radius.circular(1.5),
-    );
-
-    // 创建渐变颜色
-    final Color baseColor = isDarkMode
-        ? Colors.grey[500]! // 深灰色
-        : Colors.grey[600]!; // 更深灰色
-
-    final paint = Paint()
-      ..color = baseColor
-      ..style = PaintingStyle.fill;
-
-    canvas.drawRRect(rect, paint);
-  }
-
-  @override
-  bool shouldRepaint(covariant RealTimeWaveformPainter oldDelegate) {
-    // 只有在以下情况才重绘
-    if (oldDelegate.isDarkMode != isDarkMode ||
-        oldDelegate.isRecording != isRecording) {
-      return true;
-    }
-
-    // 数据长度变化才重绘
-    if (oldDelegate.waveData.length != waveData.length) {
-      return true;
-    }
-
-    // 数据内容变化（比较最后一个值）
-    if (waveData.isNotEmpty &&
-        oldDelegate.waveData.isNotEmpty &&
-        (waveData.last - oldDelegate.waveData.last).abs() > 0.1) {
-      return true;
-    }
-
-    // 动画值每 0.1 变化才重绘（避免每帧都重绘）
-    return (animationValue - oldDelegate.animationValue).abs() > 0.1;
-  }
-}
-
-/// 优化的波形Widget，避免双重响应式更新
-class _WaveformWidget extends StatefulWidget {
-  final MeetingRecordController controller;
-  final bool isDarkMode;
-  final Size size;
-
-  const _WaveformWidget({
-    required this.controller,
-    required this.isDarkMode,
-    required this.size,
-  });
-
-  @override
-  State<_WaveformWidget> createState() => _WaveformWidgetState();
-}
-
-class _WaveformWidgetState extends State<_WaveformWidget> {
-  late List<double> _waveData;
-  late bool _isRecording;
-  StreamSubscription? _waveDataSubscription;
-  StreamSubscription? _isRecordingSubscription;
-
-  @override
-  void initState() {
-    super.initState();
-    _waveData = List.from(widget.controller.waveData);
-    _isRecording = widget.controller.isRecording.value;
-
-    // 监听 waveData 变化
-    _waveDataSubscription = widget.controller.waveData.listen((data) {
-      if (mounted) {
-        setState(() {
-          _waveData = List.from(data);
-        });
-      }
-    });
-
-    // 监听 isRecording 变化
-    _isRecordingSubscription = widget.controller.isRecording.listen((value) {
-      if (mounted) {
-        setState(() {
-          _isRecording = value;
-        });
-      }
-    });
-  }
-
-  @override
-  void dispose() {
-    _waveDataSubscription?.cancel();
-    _isRecordingSubscription?.cancel();
-    super.dispose();
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    return RepaintBoundary(
-      child: AnimatedBuilder(
-        animation: widget.controller.waveformAnimation,
-        builder: (context, child) {
-          return CustomPaint(
-            size: widget.size,
-            painter: RealTimeWaveformPainter(
-              waveData: _waveData,
-              isDarkMode: widget.isDarkMode,
-              isRecording: _isRecording,
-              animationValue: widget.controller.waveformAnimation.value,
-            ),
-            isComplex: true, // 告诉 Flutter 这个绘制较复杂，可缓存
-            willChange: false, // 数据不会频繁变化（我们已优化）
-          );
-        },
-      ),
-    );
-  }
-}