Frame Drop on 25fps@720p rtsp feed

Accelerated Computing Intelligent Video Analytics DeepStream SDK
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  1. could you share 30 seconds of the following log? wondering the acutal fps.
gst-launch-1.0  -v  rtspsrc location=rtsp://0.0.0.0:8554/mystream ! rtph264depay ! h264parse ! nvv4l2decoder ! fpsdisplaysink video-sink=fakesink  text-overlay=false sync=false |grep current
  1. about “but above made it drop the frames even more.”, could you share the 30 seconds log of the following pipelne with sync-inputs=1? wondering if the otuput fps decreases. will the output video sttutter or lag? please refer to this topic.
gst-launch-1.0 -v rtspsrc location=rtsp://0.0.0.0:8554/mystream ! rtph264depay ! h264parse ! nvv4l2decoder ! mux.sink_0 nvstreammux name=mux batch-size=1 width=1280 height=720 batched-push-timeout = 40000 sync-inputs=1 live-source=1 ! fpsdisplaysink video-sink=fakesink  text-overlay=false sync=false |grep current