优化iphone手机第一次点击监控无法接通问题

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

@@ -40,6 +40,9 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
   int bufferSize = 25; // 初始化为默认大小
 
   int audioBufferSize = 20; // 音频默认缓冲2帧
+  
+  // 添加一个计时器来监听videoWidth和videoHeight的变化
+  Timer? _videoDimensionCheckTimer;
 
   // 回绕阈值，动态调整，frameSeq较小时阈值也小
   int _getFrameSeqRolloverThreshold(int lastSeq) {
@@ -93,6 +96,10 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
   Future<void> _initVideoDecoder() async {
     try {
       state.isLoading.value = true;
+      
+      // 等待videoWidth和videoHeight有效（非0）
+      await _waitForValidVideoDimensions();
+      
       // 创建解码器配置
       final config = VideoDecoderConfig(
         width: StartChartManage().videoWidth,
@@ -125,6 +132,86 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
       _initVideoDecoder(); // 重试初始化
     }
   }
+  
+  // 等待有效的视频尺寸
+  Future<void> _waitForValidVideoDimensions() async {
+    int attempts = 0;
+    const maxAttempts = 20; // 最多等待10秒 (20次 * 500ms)
+    
+    while (attempts < maxAttempts) {
+      // 检查videoWidth和videoHeight是否有效（非0）
+      if (StartChartManage().videoWidth != 0 && StartChartManage().videoHeight != 0) {
+        AppLog.log('获取到有效的视频尺寸: ${StartChartManage().videoWidth}x${StartChartManage().videoHeight}');
+        return;
+      }
+      
+      attempts++;
+      await Future.delayed(const Duration(milliseconds: 500));
+      AppLog.log('等待有效的视频尺寸... 第 $attempts 次, 当前尺寸: ${StartChartManage().videoWidth}x${StartChartManage().videoHeight}');
+    }
+    
+    // 如果等待超时，使用默认尺寸
+    AppLog.log('等待视频尺寸超时，使用默认尺寸: 864x480');
+    StartChartManage().videoWidth = 864;
+    StartChartManage().videoHeight = 480;
+  }
+  
+  // iOS平台专用的视频解码器初始化方法，带有多次尝试逻辑
+  Future<int?> _attemptVideoDecoderInitialization(VideoDecoderConfig config, {int maxAttempts = 3}) async {
+    for (int attempt = 1; attempt <= maxAttempts; attempt++) {
+      try {
+        AppLog.log('视频解码器初始化第 $attempt 次尝试, 尺寸: ${config.width}x${config.height}');
+        final textureId = await VideoDecodePlugin.initDecoder(config);
+        if (textureId != null) {
+          AppLog.log('视频解码器初始化第 $attempt 次尝试成功');
+          return textureId;
+        }
+        
+        // 如果失败，等待一段时间再重试
+        if (attempt < maxAttempts) {
+          await Future.delayed(Duration(milliseconds: 500 * attempt));
+        }
+      } catch (e) {
+        AppLog.log('视频解码器初始化第 $attempt 次尝试出错: $e');
+        if (attempt < maxAttempts) {
+          await Future.delayed(Duration(milliseconds: 500 * attempt));
+        }
+      }
+    }
+    
+    // 如果使用实际尺寸初始化失败，尝试使用默认尺寸
+    AppLog.log('使用实际尺寸初始化失败，尝试使用默认尺寸重新初始化');
+    final defaultConfig = VideoDecoderConfig(
+      width: 864,
+      height: 480,
+      codecType: 'h264',
+    );
+    
+    for (int attempt = 1; attempt <= maxAttempts; attempt++) {
+      try {
+        AppLog.log('使用默认尺寸进行视频解码器初始化第 $attempt 次尝试');
+        final textureId = await VideoDecodePlugin.initDecoder(defaultConfig);
+        if (textureId != null) {
+          AppLog.log('使用默认尺寸视频解码器初始化第 $attempt 次尝试成功');
+          // 更新StartChartManage中的尺寸值
+          StartChartManage().videoWidth = 864;
+          StartChartManage().videoHeight = 480;
+          return textureId;
+        }
+        
+        if (attempt < maxAttempts) {
+          await Future.delayed(Duration(milliseconds: 500 * attempt));
+        }
+      } catch (e) {
+        AppLog.log('使用默认尺寸视频解码器初始化第 $attempt 次尝试出错: $e');
+        if (attempt < maxAttempts) {
+          await Future.delayed(Duration(milliseconds: 500 * attempt));
+        }
+      }
+    }
+    
+    return null;
+  }
 
   /// 初始化音频播放器
   void _initFlutterPcmSound() {
@@ -555,6 +642,9 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
 
     requestPermissions();
 
+    // 启动视频尺寸监听器
+    _startVideoDimensionListener();
+
     // 初始化视频解码器
     _initVideoDecoder();
 
@@ -612,6 +702,11 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
     _startProcessingAudioTimer?.cancel();
     _startProcessingAudioTimer = null;
     _bufferedAudioFrames.clear();
+    
+    // 取消视频尺寸监听器
+    _videoDimensionCheckTimer?.cancel();
+    _videoDimensionCheckTimer = null;
+
     super.onClose();
   }
 
@@ -922,6 +1017,21 @@ class TalkViewNativeDecodeLogic extends BaseGetXController {
     }
   }
 
+  // 监听视频尺寸变化，当它们更新时尝试初始化解码器（如果尚未初始化）
+  void _startVideoDimensionListener() {
+    _videoDimensionCheckTimer = Timer.periodic(const Duration(milliseconds: 500), (timer) {
+      // 检查是否已经有有效的videoWidth和videoHeight，且解码器尚未初始化
+      if (state.textureId.value == null && 
+          StartChartManage().videoWidth != 0 && 
+          StartChartManage().videoHeight != 0 ) {
+        // 尝试初始化解码器（如果尚未初始化）
+        if (state.textureId.value == null) {
+          _initVideoDecoder();
+        }
+      }
+    });
+  }
+
   void _processFrame(TalkDataModel talkDataModel) {
     final talkData = talkDataModel.talkData;
     final talkDataH264Frame = talkDataModel.talkDataH264Frame;