gstreamer/debug-viewer/README
Stefan Sauer 016449a53c debug-viewer: add more logging and some profiling how-to
The port is much slower than the gtk3 version. Try to figure why.
2016-03-25 18:58:49 +01:00

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# how to build #
./setup.py build; sudo ./setup.py install --prefix=/usr
sudo chmod a+r /usr/share/gst-debug-viewer/*.ui
# porting issues #
http://stackoverflow.com/questions/11025700/generictreemodel-with-pygobject-introspection-gtk-3
# tips #
OLD: prev_action.connect_proxy(prev_button)
NEW: prev_button.set_related_action (prev_action)
OLD: box.pack_start (widget)
NEW: box.pack_start (widget, True, True, 0)
OLD: column.pack_start (cell)
NEW: column.pack_start (cell, True)
OLD: view_column.get_cell_renderers ()
NEW: column.get_cells ()
# porting ressources #
https://www.xpra.org/trac/ticket/90?cversion=0&cnum_hist=3
https://mail.gnome.org/archives/commits-list/2013-October/msg05205.html
# profiling #
python -m profile -o output.pstats path/to/your/script arg1 arg2
gprof2dot.py -f pstats output.pstats | dot -Tpng -o output.png
~/projects/tools/gprof2dot/gprof2dot.py -f pstats output.pstats | dot -Tpng -o output.png
eog output.png
python -m cProfile -o output.pstats2 ./gst-debug-viewer debug.noansi.log
~/projects/tools/gprof2dot/gprof2dot.py -f pstats output.pstats2 | dot -Tpng -o output2.png
eog output2.png