开启ffmpeg

Modules/Camera/Http/Controllers/Api/CameraApiController.php

@@ -826,7 +826,7 @@ class CameraApiController extends BaseController
             //海康切片逻辑
             else{
                 //暂时关了ffmpeg
-//                $result = CameraServices::downloadCameraFiles($parent_id, $camera_id);
+                $result = CameraServices::downloadCameraFiles($parent_id, $camera_id);
             }
         } else {
             //判断硬盘录像机的有没有封面图，有的走easydrawin，没有的走ffmpeg