diff --git a/src/rtsp_manager.cpp b/src/rtsp_manager.cpp
index c07069e..b8d1674 100644
--- a/src/rtsp_manager.cpp
+++ b/src/rtsp_manager.cpp
@@ -35,13 +35,14 @@ GstRTSPMediaFactory *RTSPManager::create_media_factory(const Camera &cam)
         " ! video/x-raw,format=NV12,width=" + std::to_string(out_width) +
         ",height=" + std::to_string(out_height) +
         ",framerate=" + std::to_string(cam.fps) + "/1"
-                                                  " ! queue max-size-buffers=1 leaky=downstream"
-                                                  " ! mpph265enc rc-mode=cbr bps=" +
+                                                  " ! queue max-size-time=100000000"
+                                                  " ! videoconvert"
+                                                  " ! mpph264enc rc-mode=cbr bps=" +
         std::to_string(cam.bitrate) +
         " gop=" + std::to_string(cam.fps) +
-        " b-frames=0"
-        " ! h265parse config-interval=1"
-        " ! rtph265pay name=pay0 pt=96 config-interval=1 )";
+        " profile=high"
+        " ! h264parse"
+        " ! rtph264pay name=pay0 pt=96 )";
 
     GstRTSPMediaFactory *factory = gst_rtsp_media_factory_new();
     gst_rtsp_media_factory_set_launch(factory, launch_str.c_str());