Recent versions of GStreamer have the ability to list the elements contained in a pipeline and their connections to a dot file. Dot files are used by GraphViz to create graphs in PNG, postscript, or other formats.
Dumping a simple GStreamer pipeline:
GST_DEBUG_DUMP_DOT_DIR=~/tmp/ gst-launch videotestsrc ! xvimagesink
This created three files for each of the transitions between element states:
0:00:00.060896159-gst-launch.NULL_READY.dot 0:00:00.066840070-gst-launch.READY_PAUSED.dot 0:00:00.073951462-gst-launch.PAUSED_PLAYING.dot
The actual filenames may vary.
Converting the dot files to PNG files:
dot ~/tmp/0\:00\:00.073951462-gst-launch.PAUSED_PLAYING.dot -Tpng -o out.png
This resulted in the following:
