Pause recording to a file, start once a spefic event is detected

I have setup a pipeline in Deepstream with python to write output from nvdsosd element.

I have a queue

queue1 = Gst.ElementFactory.make("queue", "queue1")

and then the rest of the elements necessary to record to mp4 file

nvvidconv = Gst.ElementFactory.make("nvvideoconvert", "convertor")
capsfilter1 = Gst.ElementFactory.make("capsfilter", "capsfilter1")
  Gst.Caps.from_string("video/x-raw(memory:NVMM), format=RGBA"))

and so on.

Is there a simple way I could cache about 3-4 seconds of my stream inside the queue and start / stop recording depending on an event detected upstream (by nvinfer plugin)?

smart video record is a c lib, Smart Video Record — DeepStream 6.1.1 Release documentation, deepstream-testsr is a sample.
need to do python bindings, deepstream_python_apps/bindings at master · NVIDIA-AI-IOT/deepstream_python_apps · GitHub

I know about this library, I was hoping if there was an easy way to implement it’s functionality using existing plugins for Python.

no this kind of plugin.

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