diff --git a/utils/hls_utils.py b/utils/hls_utils.py
index d75b08c..e6b79c3 100644
--- a/utils/hls_utils.py
+++ b/utils/hls_utils.py
@@ -1,6 +1,8 @@
 import os
 import glob
 
+from common import constants
+
 
 def get_latest_n_segments(camera_root_dir: str, n: int) -> list:
     """
@@ -50,3 +52,18 @@ def get_latest_n_segments(camera_root_dir: str, n: int) -> list:
         return all_segments[-n:]
     else:
         return all_segments
+
+
+def get_latest_n_segments_by_camera_id(camera_id: str, n: int) -> list:
+    """
+    根据摄像头ID获取最新的n个TS分片
+    
+    Args:
+        camera_id: 摄像头ID
+        n: 获取的分片数量
+    
+    Returns:
+        最新的n个分片路径list
+    """
+    camera_root_dir = os.path.join(constants.HLS_ROOT_PATH, camera_id)
+    return get_latest_n_segments(camera_root_dir, n)