public void bin_to_dot_file (Bin bin, DebugGraphDetails details, string file_name)
To aid debugging applications one can use this method to write out the whole network of gstreamer elements that form the pipeline into a dot file.
This file can be processed with graphviz to get an image.
``` shell dot -Tpng -oimage.png graph_lowlevel.dot ```
the top-level pipeline that should be analyzed
type of DebugGraphDetails to use
output base filename (e.g. "myplayer")