diff --git a/configs/sample_cam1.json b/configs/sample_cam1.json
index 885123b..ba26bb1 100644
--- a/configs/sample_cam1.json
+++ b/configs/sample_cam1.json
@@ -12,7 +12,10 @@
           "url": "rtsp://10.0.0.9:8554/cam",
           "fps": 25,
           "width": 1920,
-          "height": 1080
+          "height": 1080,
+          "use_mpp": false,
+          "use_ffmpeg": true,
+          "force_tcp": true
         },
         {
           "id": "pub_cam1",