若找不到下一分片，则时间轴暂停，而不是一直向前

hls_service_ws_kadian.py

@@ -52,6 +52,8 @@ class HLSFrameProcessor(threading.Thread):
         self.last_frame_pts = None  # 上一帧的PTS时间
         self.pts_diff = 0
 
+        self.should_reset_time = False
+        
     def find_segment_files(self):
         """查找TS分片文件，返回排序后的文件名列表"""
         pattern = os.path.join(HLS_SEGMENT_DIR, "segment_*.ts")
@@ -146,7 +148,7 @@ class HLSFrameProcessor(threading.Thread):
         elif time_diff < -0.06:  # 超前60ms，需要等待 （3帧）
             # 等待到正确的时间点
             wait_time = -time_diff
-            if wait_time > 0.1:  # 如果等待时间过长，重置时间基准
+            if wait_time > 5:  # 如果等待时间过长，重置时间基准
                 logger.info(f"[WARN] Too far ahead, resetting time base")
                 self.start_time = current_time
                 self.base_pts = frame_pts
@@ -217,6 +219,8 @@ class HLSFrameProcessor(threading.Thread):
                         # 下一个分片不存在，根据连续失败次数调整等待时间
                         consecutive_failures += 1
 
+                        self.should_reset_time = True
+
                         if consecutive_failures <= 10:
                             sleep_time = 0.02  # 前10次失败，等待0.02秒
                         elif consecutive_failures <= 20:
@@ -244,13 +248,19 @@ class HLSFrameProcessor(threading.Thread):
             container = av.open(segment_path)
             video_stream = container.streams.video[0]
             
-            # 如果是第一个分片，需要设置base_pts
-            if self.base_pts is None:
+            # 重置时间轴：使用新分片的第一帧PTS重新设置时间基准
+            current_time = time.time()
+
+            if self.base_pts is None or self.should_reset_time:
                 # 读取第一帧来获取PTS
                 for packet in container.demux(video_stream):
                     for frame in packet.decode():
                         if frame.pts is not None:
-                            self.base_pts = frame.pts * video_stream.time_base * 1000
+                            # 重置时间基准
+                            self.start_time = current_time
+                            self.base_pts = float(frame.pts * video_stream.time_base) * 1000
+                            self.should_reset_time = False
+                            logger.info(f"[INFO] Time axis reset: start_time={current_time}, base_pts={self.base_pts:.1f}")
                             break
                     break
                 # 重置容器到开始