优化苹果手机视频对讲后锁版麦克风声音变小

lib/talk/starChart/views/native/talk_view_native_decode_logic.dart

@@ -1,6 +1,5 @@
 import 'dart:async';
 import 'dart:io';
-import 'dart:math';
 import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart';
@@ -89,44 +88,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
   bool _waitingForIFrame = false;
 
   int? lastDecodedIFrameSeq;
-  
-  // 新增：缓冲区满载处理相关变量
-  int _consecutiveFullBufferCount = 0; // 连续缓冲区满载次数
-  int _maxConsecutiveFullBufferCount = 3; // 最大连续满载次数，超过此值将采取措施，降低为3以更快响应
-  bool _isAdjustingForBufferFull = false; // 是否正在为缓冲区满载调整
-
-  // 新增：记录最近一次视频画面开始渲染的时间
-  DateTime? _lastVideoRenderTime;
-  
-  // 新增：自适应缓冲区大小相关变量
-  int _currentBufferSize = 3; // 当前缓冲区大小
-  int _lastBufferSizeAdjustmentTime = 0; // 上次缓冲区大小调整时间
-  int _bufferSizeAdjustmentCooldown = 2000; // 缓冲区大小调整冷却时间(毫秒)
-  
-  // 新增：网络状况评估相关变量
-  int _lastNetworkQualityCheckTime = 0; // 上次网络质量检查时间
-  int _framesProcessedSinceLastCheck = 0; // 自上次检查以来处理的帧数
-  int _framesDroppedSinceLastCheck = 0; // 自上次检查以来丢弃的帧数
-  double _currentNetworkQualityScore = 1.0; // 当前网络质量评分(0.0-1.0, 1.0为最佳)
-  
-  // 网络质量评估相关变量
-  List<int> _frameReceiveTimes = []; // 存储帧接收时间戳
-  List<int> _frameSeqList = [];      // 存储帧序列号用于计算丢包
-  int _totalFramesReceived = 0;      // 总接收帧数
-  int _lostFrames = 0;               // 丢失帧数
-  int _lastFrameSeqNum = -1;         // 上一帧序列号
-  DateTime? _testStartTime;          // 测试开始时间
-  Timer? _networkQualityTestTimer;   // 网络质量评估定时器
-  
-  // 包、帧和关键帧统计变量
-  int _totalPacketsReceived = 0;     // 总接收包数
-  int _totalFramesReceivedCount = 0; // 总接收帧数
-  int _iFramesReceived = 0;          // 接收到的关键帧数（I帧）
-  int _pFramesReceived = 0;          // 接收到的预测帧数（P帧）
-  int _processedFrames = 0;          // 已处理的帧数
-  int _droppedFrames = 0;            // 丢弃的帧数
-  int _framesInBuffer = 0;           // 进入缓冲区的帧数
-  int _bufferSize = 0;               // 缓冲区大小
 
   // 初始化视频解码器
   Future<void> _initVideoDecoder() async {
@@ -167,20 +128,16 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
         height: height,
         codecType: 'h264',
       );
+      AppLog.log('解码器配置的宽高为：${config.width}x${config.height}');
       // 初始化解码器并获取textureId
       final textureId = await VideoDecodePlugin.initDecoder(config);
       if (textureId != null) {
         Future.microtask(() => state.textureId.value = textureId);
+        AppLog.log('视频解码器初始化成功：textureId=$textureId');
         VideoDecodePlugin.setOnFrameRenderedListener((textureId) {
           AppLog.log('已经开始渲染=======');
-          // 记录视频开始渲染时间
-          _lastVideoRenderTime = DateTime.now();
           // 只有真正渲染出首帧时才关闭loading
-          if (state.isLoading.value) {
-            Future.microtask(() => state.isLoading.value = false);
-          } else {
-            AppLog.log('视频已在渲染状态，保持当前状态');
-          }
+          Future.microtask(() => state.isLoading.value = false);
         });
       } else {
         AppLog.log('视频解码器初始化失败');
@@ -286,110 +243,6 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
       }
       _lastFrameSeq = frameSeq;
     }
-    
-    // 记录帧接收
-    recordFrameReceived(frameSeq, frameType);
-    
-    // 优化：对于低延迟场景，仅保留最新的帧以减少延迟
-    bool isVideoRendering = state.textureId.value != null && 
-        (state.isLoading.isFalse || _lastVideoRenderTime != null);
-        
-    if (isVideoRendering) {
-      // 如果视频已经开始渲染，优先保留最新的I帧和其关联的P帧
-      if (frameType == TalkDataH264Frame_FrameTypeE.I) {
-        // 对于新的I帧，移除旧的I帧和其关联的P帧
-        _removeOldFramesForIFrame(frameSeq);
-        
-        // 当接收到新I帧时，动态调整缓冲区大小以适应当前网络状况
-        _adjustBufferSizeForNetworkCondition();
-      } else {
-        // 对于P帧，确保它关联到有效的I帧
-        _cleanOldPFrameForCurrentIFrame(frameSeq, frameSeqI);
-      }
-    } else {
-      // 视频未渲染时，按原有逻辑处理
-      if (state.h264FrameBuffer.length >= state.maxFrameBufferSize) {
-        // 检查是否已经有视频开始渲染
-        bool isVideoRendering = state.textureId.value != null && 
-            (state.isLoading.isFalse || _lastVideoRenderTime != null);
-            
-        // 如果视频已经在渲染，我们采用更智能的缓冲区清理策略
-        if (isVideoRendering) {
-          _consecutiveFullBufferCount++;
-          
-          // 当连续多次缓冲区满载时，采取特殊处理策略
-          if (_consecutiveFullBufferCount >= _maxConsecutiveFullBufferCount) {
-            
-            // 计算当前网络质量并调整缓冲区大小
-            _evaluateCurrentNetworkQuality();
-            
-            // 查找所有非关键帧（非I帧）进行清理
-            final framesToRemove = <int>[];
-            for (int i = 0; i < state.h264FrameBuffer.length; i++) {
-              if (state.h264FrameBuffer[i]['frameType'] != TalkDataH264Frame_FrameTypeE.I) {
-                framesToRemove.add(i);
-              }
-            }
-            
-            // 从后往前删除，避免索引变化问题
-            framesToRemove.reversed.forEach((index) {
-              state.h264FrameBuffer.removeAt(index);
-              recordDroppedFrame();
-            });
-            
-            // 如果仍有过多帧，保留最新的I帧及相关的P帧
-            if (state.h264FrameBuffer.length > _currentBufferSize ~/ 2) {
-              // 找到最后一个I帧的位置
-              int lastIFrameIndex = -1;
-              for (int i = state.h264FrameBuffer.length - 1; i >= 0; i--) {
-                if (state.h264FrameBuffer[i]['frameType'] == TalkDataH264Frame_FrameTypeE.I) {
-                  lastIFrameIndex = i;
-                  break;
-                }
-              }
-              
-              // 如果找到I帧，只保留I帧及其后续的P帧，删除前面的帧
-              if (lastIFrameIndex > 0) {
-                for (int i = 0; i < lastIFrameIndex; i++) {
-                  state.h264FrameBuffer.removeAt(0);
-                  recordDroppedFrame();
-                }
-              } else {
-                // 如果没有I帧，只保留最新的半数帧
-                while (state.h264FrameBuffer.length > _currentBufferSize ~/ 2) {
-                  state.h264FrameBuffer.removeAt(0);
-                  recordDroppedFrame();
-                }
-              }
-            }
-            
-            _consecutiveFullBufferCount = 0; // 重置计数
-            _isAdjustingForBufferFull = false;
-          } else {
-            // 非连续满载情况下，采用保守清理策略
-            int pbIndex = state.h264FrameBuffer.indexWhere((f) => f['frameType'] == TalkDataH264Frame_FrameTypeE.P);
-            if (pbIndex != -1) {
-              state.h264FrameBuffer.removeAt(pbIndex);
-              recordDroppedFrame(); // 记录丢弃的帧
-            } else {
-              state.h264FrameBuffer.removeAt(0);
-              recordDroppedFrame(); // 记录丢弃的帧
-            }
-          }
-        } else {
-          // 视频尚未渲染时，使用原始策略
-          int pbIndex = state.h264FrameBuffer.indexWhere((f) => f['frameType'] == TalkDataH264Frame_FrameTypeE.P);
-          if (pbIndex != -1) {
-            state.h264FrameBuffer.removeAt(pbIndex);
-            recordDroppedFrame(); // 记录丢弃的帧
-          } else {
-            state.h264FrameBuffer.removeAt(0);
-            recordDroppedFrame(); // 记录丢弃的帧
-          }
-        }
-      }
-    }
-
     // 创建包含帧数据和类型的Map
     final Map<String, dynamic> frameMap = {
       'frameData': frameData,
@@ -400,169 +253,18 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
       'scpMessage': scpMessage,
     };
 
+    // 如果缓冲区超出最大大小，优先丢弃P/B帧
+    while (state.h264FrameBuffer.length >= state.maxFrameBufferSize) {
+      int pbIndex = state.h264FrameBuffer.indexWhere((f) => f['frameType'] == TalkDataH264Frame_FrameTypeE.P);
+      if (pbIndex != -1) {
+        state.h264FrameBuffer.removeAt(pbIndex);
+      } else {
+        state.h264FrameBuffer.removeAt(0);
+      }
+    }
+
     // 将帧添加到缓冲区
     state.h264FrameBuffer.add(frameMap);
-    recordFrameInBuffer(); // 记录进入缓冲区的帧
-    
-    // 重置连续满载计数（只有在缓冲区未满时）
-    if (state.h264FrameBuffer.length < state.maxFrameBufferSize) {
-      _consecutiveFullBufferCount = 0;
-    }
-  }
-  
-  // 辅助方法：移除旧的I帧和其关联的P帧
-  void _removeOldFramesForIFrame(int newIFrameSeq) {
-    // 保留最新的I帧和相关的P帧，移除旧的I帧和其关联的P帧
-    final List<Map<String, dynamic>> framesToKeep = [];
-    
-    // 分别收集I帧和P帧
-    final List<Map<String, dynamic>> iFrames = [];
-    final List<Map<String, dynamic>> pFrames = [];
-    
-    for (var frame in state.h264FrameBuffer) {
-      if (frame['frameType'] == TalkDataH264Frame_FrameTypeE.I) {
-        iFrames.add(frame);
-      } else {
-        pFrames.add(frame);
-      }
-    }
-    
-    // 按frameSeq排序I帧
-    iFrames.sort((a, b) => (a['frameSeq'] as int).compareTo(b['frameSeq'] as int));
-    
-    // 保留最新的I帧（即当前正在添加的新I帧）
-    final int maxIFramesToKeep = 2; // 保留最多2个I帧以确保平滑过渡
-    final int startIdx = max(0, iFrames.length - maxIFramesToKeep);
-    
-    for (int i = startIdx; i < iFrames.length; i++) {
-      framesToKeep.add(iFrames[i]);
-    }
-    
-    // 对于P帧，只保留与保留的I帧关联的P帧
-    for (var pFrame in pFrames) {
-      int refIFrameSeq = pFrame['frameSeqI'];
-      bool shouldKeep = false;
-      
-      // 检查该P帧引用的I帧是否被保留
-      for (var keptIFrame in framesToKeep) {
-        if (keptIFrame['frameType'] == TalkDataH264Frame_FrameTypeE.I &&
-            keptIFrame['frameSeq'] == refIFrameSeq) {
-          shouldKeep = true;
-          break;
-        }
-      }
-      
-      if (shouldKeep) {
-        framesToKeep.add(pFrame);
-      } else {
-        recordDroppedFrame(); // 记录丢弃的帧
-      }
-    }
-    
-    // 用筛选后的帧替换原缓冲区
-    state.h264FrameBuffer.clear();
-    state.h264FrameBuffer.addAll(framesToKeep);
-  }
-  
-  // 辅助方法：清理当前I帧的旧P帧
-  void _cleanOldPFrameForCurrentIFrame(int frameSeq, int frameSeqI) {
-    // 为当前I帧保留最新的P帧，移除过旧的P帧
-    final List<Map<String, dynamic>> framesToKeep = [];
-    final List<Map<String, dynamic>> framesToRemove = [];
-    
-    // 首先添加所有非当前I帧引用的帧
-    for (var frame in state.h264FrameBuffer) {
-      if (frame['frameSeqI'] != frameSeqI || frame['frameType'] == TalkDataH264Frame_FrameTypeE.I) {
-        framesToKeep.add(frame);
-      }
-    }
-    
-    // 收集当前I帧引用的P帧
-    final List<Map<String, dynamic>> currentIFramePFrames = [];
-    for (var frame in state.h264FrameBuffer) {
-      if (frame['frameSeqI'] == frameSeqI && frame['frameType'] == TalkDataH264Frame_FrameTypeE.P) {
-        currentIFramePFrames.add(frame);
-      }
-    }
-    
-    // 按frameSeq排序P帧
-    currentIFramePFrames.sort((a, b) => (a['frameSeq'] as int).compareTo(b['frameSeq'] as int));
-    
-    // 保留最新的P帧（例如保留最近的5个）
-    final int maxPFramesToKeep = 5;
-    final int startIdx = max(0, currentIFramePFrames.length - maxPFramesToKeep);
-    
-    for (int i = startIdx; i < currentIFramePFrames.length; i++) {
-      framesToKeep.add(currentIFramePFrames[i]);
-    }
-    
-    // 记录被丢弃的P帧
-    for (int i = 0; i < startIdx; i++) {
-      recordDroppedFrame();
-    }
-    
-    // 用筛选后的帧替换原缓冲区
-    state.h264FrameBuffer.clear();
-    state.h264FrameBuffer.addAll(framesToKeep);
-  }
-
-  /// 根据网络状况动态调整缓冲区大小
-  void _adjustBufferSizeForNetworkCondition() {
-    // 获取当前时间
-    int currentTime = DateTime.now().millisecondsSinceEpoch;
-    
-    // 检查是否在冷却期内
-    if (currentTime - _lastBufferSizeAdjustmentTime < _bufferSizeAdjustmentCooldown) {
-      return;
-    }
-    
-    // 更新最后调整时间
-    _lastBufferSizeAdjustmentTime = currentTime;
-    
-    // 根据当前网络质量评分调整缓冲区大小
-    if (_currentNetworkQualityScore > 0.7) {
-      // 网络状况良好，使用较小缓冲区以降低延迟
-      _currentBufferSize = state.adaptiveBufferSizeMin;
-    } else if (_currentNetworkQualityScore > 0.4) {
-      // 网络状况一般，使用中等缓冲区以平衡延迟和稳定性
-      _currentBufferSize = (state.adaptiveBufferSizeMin + state.adaptiveBufferSizeMax) ~/ 2;
-    } else {
-      // 网络状况较差，使用较大缓冲区以减少卡顿
-      _currentBufferSize = state.adaptiveBufferSizeMax;
-    }
-    
-    AppLog.log('根据网络状况调整缓冲区大小: ${_currentBufferSize} (当前网络质量评分: ${_currentNetworkQualityScore.toStringAsFixed(2)})');
-  }
-
-  /// 评估当前网络质量
-  void _evaluateCurrentNetworkQuality() {
-    int currentTime = DateTime.now().millisecondsSinceEpoch;
-    
-    // 检查是否到了网络质量检查间隔
-    if (currentTime - _lastNetworkQualityCheckTime < state.networkQualityCheckIntervalMs) {
-      return;
-    }
-    
-    _lastNetworkQualityCheckTime = currentTime;
-    
-    // 计算丢帧率
-    double dropRate = 0.0;
-    int totalProcessed = _framesProcessedSinceLastCheck + _framesDroppedSinceLastCheck;
-    if (totalProcessed > 0) {
-      dropRate = _framesDroppedSinceLastCheck / totalProcessed;
-    }
-    
-    // 更新网络质量评分 (基于丢帧率，评分越高网络越好)
-    _currentNetworkQualityScore = 1.0 - dropRate;
-    if (_currentNetworkQualityScore < 0) {
-      _currentNetworkQualityScore = 0.0;
-    }
-    
-    AppLog.log('网络质量评估: 丢帧率=${dropRate.toStringAsFixed(2)}, 网络质量评分=${_currentNetworkQualityScore.toStringAsFixed(2)}');
-    
-    // 重置计数器
-    _framesProcessedSinceLastCheck = 0;
-    _framesDroppedSinceLastCheck = 0;
   }
 
   /// 启动帧处理定时器
@@ -1282,215 +984,4 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
         break;
     }
   }
-
-  /// 记录帧接收
-  void recordFrameReceived(int frameSeq, TalkDataH264Frame_FrameTypeE frameType) {
-    _totalFramesReceivedCount++;
-    
-    // 根据帧类型更新计数
-    if (frameType == TalkDataH264Frame_FrameTypeE.I) {
-      _iFramesReceived++;
-    } else if (frameType == TalkDataH264Frame_FrameTypeE.P) {
-      _pFramesReceived++;
-    }
-    
-    // 计算丢包 - 修复：添加合理的帧序号差异限制，避免异常高的丢包计算
-    if (_lastFrameSeqNum != -1) {
-      if (frameSeq > _lastFrameSeqNum + 1) {
-        // 计算中间缺失的帧数，但限制最大丢失数量以防止异常值
-        int gap = frameSeq - _lastFrameSeqNum - 1;
-        // 设置最大允许的帧间隙，防止因为帧序列号回绕或异常导致的错误计算
-        int maxAllowedGap = 50; // 可根据实际情况调整
-        if (gap > maxAllowedGap) {
-          // 如果间隙过大，可能是帧序列号回绕或其他异常，不计入丢失帧
-          AppLog.log('检测到帧序列号异常跳跃: gap=$gap, 当前frameSeq=$frameSeq, 上一个frameSeq=$_lastFrameSeqNum');
-        } else {
-          _lostFrames += gap;
-        }
-      } else if (frameSeq <= _lastFrameSeqNum && frameSeq < 100 && _lastFrameSeqNum > 1000) {
-        // 检测到帧序列号回绕（从大数值回到小数值），重置参考值
-        // 这种情况通常发生在新的视频流开始或流重启
-        AppLog.log('检测到帧序列号回绕: 从 $_lastFrameSeqNum 回到 $frameSeq');
-        _lastFrameSeqNum = frameSeq;
-      }
-    }
-    _lastFrameSeqNum = frameSeq;
-    
-    // 记录接收时间
-    _frameReceiveTimes.add(DateTime.now().millisecondsSinceEpoch);
-    _frameSeqList.add(frameSeq);
-    
-    // 只保留最近的100个帧记录
-    if (_frameReceiveTimes.length > 100) {
-      _frameReceiveTimes.removeAt(0);
-      _frameSeqList.removeAt(0);
-    }
-  }
-  
-  /// 记录包接收
-  void recordPacketReceived() {
-    _totalPacketsReceived++;
-  }
-  
-  /// 记录已处理的帧
-  void recordProcessedFrame() {
-    _processedFrames++;
-    _framesProcessedSinceLastCheck++; // 用于网络质量评估
-  }
-  
-  /// 记录丢弃的帧
-  void recordDroppedFrame() {
-    _droppedFrames++;
-    _framesDroppedSinceLastCheck++; // 用于网络质量评估
-  }
-  
-  /// 记录进入缓冲区的帧
-  void recordFrameInBuffer() {
-    _framesInBuffer++;
-  }
-
-  /// 开始网络质量评估
-  void startNetworkQualityAssessment() {
-    resetNetworkQualityAssessmentVariables();
-    _testStartTime = DateTime.now();
-    
-    // 初始化统计计数器
-    _bufferSize = state.maxFrameBufferSize; // 记录缓冲区大小
-    
-    // 启动定时器每秒评估一次网络质量
-    _networkQualityTestTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
-      _evaluateNetworkQuality();
-    });
-  }
-
-  /// 停止网络质量评估
-  void stopNetworkQualityAssessment() {
-    _networkQualityTestTimer?.cancel();
-    _networkQualityTestTimer = null;
-  }
-
-  /// 重置网络质量评估变量
-  void resetNetworkQualityAssessmentVariables() {
-    _totalFramesReceived = 0;
-    _lostFrames = 0;
-    _lastFrameSeqNum = -1;
-    _frameReceiveTimes.clear();
-    _frameSeqList.clear();
-    _testStartTime = null;
-    
-    // 重置统计计数器
-    _totalPacketsReceived = 0;
-    _totalFramesReceivedCount = 0;
-    _iFramesReceived = 0;
-    _pFramesReceived = 0;
-    _processedFrames = 0;
-    _droppedFrames = 0;
-    _framesInBuffer = 0;
-  }
-
-  /// 评估网络质量
-  void _evaluateNetworkQuality() {
-    if (_testStartTime == null) return;
-    
-    final elapsed = DateTime.now().difference(_testStartTime!).inSeconds;
-    if (elapsed == 0) return;
-    
-    // 计算丢包率 - 确保丢包率不会超过100%
-    double lossRate = 0.0;
-    if (_totalFramesReceivedCount > 0) {
-      lossRate = (_lostFrames / _totalFramesReceivedCount) * 100;
-      // 限制丢包率不超过100%
-      if (lossRate > 100.0) {
-        lossRate = 100.0;
-      }
-    }
-
-    
-    // 计算抖动 (基于相邻帧的时间间隔变化)
-    if (_frameReceiveTimes.length >= 2) {
-      List<int> intervals = [];
-      for (int i = 1; i < _frameReceiveTimes.length; i++) {
-        intervals.add(_frameReceiveTimes[i] - _frameReceiveTimes[i-1]);
-      }
-    }
-    
-    // 根据网络质量动态调整缓冲区大小
-    _adjustBufferSizeBasedOnNetworkQuality();
-  }
-  
-  /// 根据丢包率、帧率和抖动确定网络质量等级
-  String _getNetworkQualityLevel(double lossRate, double frameRate, double jitter) {
-    if (lossRate < 1.0 && frameRate > 15.0 && jitter < 50.0) {
-      return "优秀";
-    } else if (lossRate < 3.0 && frameRate > 10.0 && jitter < 100.0) {
-      return "良好";
-    } else if (lossRate < 5.0 && frameRate > 5.0 && jitter < 200.0) {
-      return "一般";
-    } else {
-      return "较差";
-    }
-  }
-  
-  /// 预测视频卡顿概率
-  String _predictStutterProbability(double lossRate, double frameRate, double jitter) {
-    if (lossRate < 2.0 && frameRate > 10.0 && jitter < 100.0) {
-      return "低风险 - 视频流畅";
-    } else if (lossRate <= 5.0 && frameRate >= 5.0 && jitter <= 200.0) {
-      return "中风险 - 可能轻微卡顿";
-    } else {
-      return "高风险 - 可能严重卡顿";
-    }
-  }
-  
-  /// 根据网络质量动态调整缓冲区大小
-  void _adjustBufferSizeBasedOnNetworkQuality() {
-    if (_testStartTime == null) return;
-    
-    final elapsed = DateTime.now().difference(_testStartTime!).inSeconds;
-    if (elapsed == 0) return;
-    
-    // 计算丢包率
-    double lossRate = 0.0;
-    if (_totalFramesReceivedCount > 0) {
-      lossRate = (_lostFrames / _totalFramesReceivedCount) * 100;
-      if (lossRate > 100.0) lossRate = 100.0;
-    }
-    
-    // 计算平均接收帧率
-    final avgFrameRate = _totalFramesReceivedCount / elapsed;
-    
-    // 计算抖动
-    double jitter = 0.0;
-    if (_frameReceiveTimes.length >= 2) {
-      List<int> intervals = [];
-      for (int i = 1; i < _frameReceiveTimes.length; i++) {
-        intervals.add(_frameReceiveTimes[i] - _frameReceiveTimes[i-1]);
-      }
-      
-      if (intervals.length > 1) {
-        double mean = intervals.reduce((a, b) => a + b) / intervals.length;
-        double variance = 0.0;
-        for (int interval in intervals) {
-          variance += pow(interval - mean, 2).toDouble();
-        }
-        variance /= intervals.length;
-        jitter = sqrt(variance);
-      }
-    }
-    
-    // 根据网络质量调整缓冲区大小
-    if (lossRate < 2.0 && avgFrameRate > 15.0 && jitter < 50.0) {
-      // 网络质量优秀 - 使用最小缓冲区以降低延迟
-      _currentBufferSize = state.adaptiveBufferSizeMin;
-    } else if (lossRate < 5.0 && avgFrameRate > 10.0 && jitter < 100.0) {
-      // 网络质量良好 - 使用中等偏小缓冲区
-      _currentBufferSize = (state.adaptiveBufferSizeMin + state.adaptiveBufferSizeMax) ~/ 3;
-    } else if (lossRate < 10.0 && avgFrameRate > 5.0 && jitter < 200.0) {
-      // 网络质量一般 - 使用中等偏大缓冲区
-      _currentBufferSize = ((state.adaptiveBufferSizeMin + state.adaptiveBufferSizeMax) ~/ 2 + state.adaptiveBufferSizeMax) ~/ 2;
-    } else {
-      // 网络质量差 - 使用最大缓冲区以减少卡顿
-      _currentBufferSize = state.adaptiveBufferSizeMax;
-    }
-  }
 }

lib/talk/starChart/views/talkView/talk_view_logic.dart

@@ -646,7 +646,15 @@ class TalkViewLogic extends BaseGetXController {
 
 // 音频帧处理
   Future<void> _onFrame(List<int> frame) async {
-    final applyGain = _applyGain(frame, 1.6);
+    // 根据平台调整增益，避免iOS端发送音频过强导致锁端接收音量相对变小
+    double gainFactor = 1.0; // 默认无增益
+    if (Platform.isAndroid) {
+      gainFactor = 1.2; // Android端适当增强
+    } else if (Platform.isIOS) {
+      gainFactor = 0.8; // iOS端降低增益，避免锁端接收音量过大而使回传音量显得过小
+    }
+    
+    final applyGain = _applyGain(frame, gainFactor);
 
     // 编码为G711数据
     List<int> encodedData = G711Tool.encode(applyGain, 0); // 0表示A-law

lib/talk/starChart/webView/h264_web_logic.dart

@@ -445,8 +445,15 @@ class H264WebViewLogic extends BaseGetXController {
       return;
     }
 
-    // 首先应用固定增益提升基础音量
-    List<int> amplifiedFrame = _applyGain(frame, 1.8);
+    // 根据平台调整增益，避免iOS端发送音频过强导致锁端接收音量相对变小
+    double gainFactor = 1.0; // 默认无增益
+    if (Platform.isAndroid) {
+      gainFactor = 1.2; // Android端适当增强
+    } else if (Platform.isIOS) {
+      gainFactor = 0.8; // iOS端降低增益，避免锁端接收音量过大而使回传音量显得过小
+    }
+    
+    List<int> amplifiedFrame = _applyGain(frame, gainFactor);
     // 编码为G711数据
     List<int> encodedData = G711Tool.encode(amplifiedFrame, 0); // 0表示A-law
     _bufferedAudioFrames.addAll(encodedData);