change json

workspace/demo.json

@@ -56,7 +56,7 @@
                     "node_id": "rtmp_0",
                     "node_type": "Rtmp",
                     "params": {
-                        "gst_pipeline": "appsrc ! videoconvert ! x264enc bitrate=6000 speed-preset=superfast key-int-max=30 ! h264parse ! flvmux streamable=true  ! queue ! rtmpsink location=rtmp://172.16.20.168:1935/live/123456 sync=false async=false",
+                        "gst_pipeline": "appsrc ! queue leaky=downstream max-size-time=200000000 ! videoconvert n-threads=2 ! vaapih264enc bitrate=2000 key-int-max=30 rate-control=cbr tune=low-power ! h264parse ! flvmux streamable=true ! queue max-size-bytes=1048576 ! rtmpsink location=rtmp://172.16.20.168:1935/live/123456 latency=0 retry=1 qos=true",
                         "fps": 25
                     }
                 }