fix:调整音频发送缓冲区逻辑

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

@@ -659,32 +659,39 @@ class TalkViewLogic extends BaseGetXController {
 
 // 音频帧处理
   Future<void> _onFrame(List<int> frame) async {
+    // 添加最大缓冲限制
+    if (_bufferedAudioFrames.length > state.frameLength * 3) {
+      _bufferedAudioFrames.clear(); // 清空过多积累的数据
+      return;
+    }
+
     // 首先应用固定增益提升基础音量
     List<int> amplifiedFrame = _applyGain(frame, 1.6);
     // 编码为G711数据
     List<int> encodedData = G711Tool.encode(amplifiedFrame, 0); // 0表示A-law
     _bufferedAudioFrames.addAll(encodedData);
-
-    final int ms = DateTime.now().millisecondsSinceEpoch -
-        state.startRecordingAudioTime.value.millisecondsSinceEpoch;
+    // 使用相对时间戳
+    final int ms = DateTime.now().millisecondsSinceEpoch % 1000000; // 使用循环时间戳
     int getFrameLength = state.frameLength;
     if (Platform.isIOS) {
       getFrameLength = state.frameLength * 2;
     }
 
-    if (_bufferedAudioFrames.length >= getFrameLength) {
-      // 发送音频数据到UDP
-      await StartChartManage()
-          .sendTalkDataMessage(
-        talkData: TalkData(
-          content: _bufferedAudioFrames,
-          contentType: TalkData_ContentTypeE.G711,
-          durationMs: ms,
-        ),
-      )
-          .then((value) {
-        _bufferedAudioFrames.clear();
-      });
+    // 添加发送间隔控制
+    if (_bufferedAudioFrames.length >= state.frameLength) {
+      try {
+        await StartChartManage().sendTalkDataMessage(
+          talkData: TalkData(
+            content: _bufferedAudioFrames,
+            contentType: TalkData_ContentTypeE.G711,
+            durationMs: ms,
+          ),
+        );
+      } finally {
+        _bufferedAudioFrames.clear(); // 确保清理缓冲区
+      }
+    } else {
+      _bufferedAudioFrames.addAll(encodedData);
     }
   }