[gentoo-dev] Bugs in pitivi ebuild

[Grand Duet <grand.duet@gmail.com>]

In short: at least gsound dependency has not been mentioned in the
pitivi ebuild.

The full story has been explained below.

I have recently installed pitivi and tried to run it.
It failed with the following error message:
# pitivi
Missing soft dependency:
- GSound not found on the system
    -> enables sound notifications when rendering is complete
Missing soft dependency:
- cvtracker GStreamer element not found on the system
    -> enables object tracking
Missing soft dependency:
- librosa not found on the system
    -> enables beat detection functionality
Traceback (most recent call last):
  File "/usr/lib64/pitivi/python/pitivi/application.py", line 205, in
do_activate
    self.create_main_window()
  File "/usr/lib64/pitivi/python/pitivi/application.py", line 212, in
create_main_window
    self.gui.setup_ui()
  File "/usr/lib64/pitivi/python/pitivi/mainwindow.py", line 135, in setup_ui
    self.editor.setup_ui()
  File "/usr/lib64/pitivi/python/pitivi/editorperspective.py", line
103, in setup_ui
    self._create_ui()
  File "/usr/lib64/pitivi/python/pitivi/editorperspective.py", line
260, in _create_ui
    self.mainhpaned.set_position(self.settings.mainWindowMainHPanePosition)
TypeError: Argument 1 does not allow None as a value

After installing gsound and gstreamer, the error message have been
reduced to the following:
Missing soft dependency:
- cvtracker GStreamer element not found on the system
    -> enables object tracking
Missing soft dependency:
- librosa not found on the system
    -> enables beat detection functionality
Traceback (most recent call last):
  File "/usr/lib64/pitivi/python/pitivi/application.py", line 205, in
do_activate
    self.create_main_window()
  File "/usr/lib64/pitivi/python/pitivi/application.py", line 212, in
create_main_window
    self.gui.setup_ui()
  File "/usr/lib64/pitivi/python/pitivi/mainwindow.py", line 135, in setup_ui
    self.editor.setup_ui()
  File "/usr/lib64/pitivi/python/pitivi/editorperspective.py", line
103, in setup_ui
    self._create_ui()
  File "/usr/lib64/pitivi/python/pitivi/editorperspective.py", line
260, in _create_ui
    self.mainhpaned.set_position(self.settings.mainWindowMainHPanePosition)
TypeError: Argument 1 does not allow None as a value

So, at least dependency of the pitivi on gsound has not been mentioned
in the pitivi ebuild which is definitely a bug.
Unfortunately, I do not know how to install librosa and get rid of the
other error messages.

I am currently use default/linux/amd64/23.0/desktop (stable) profile with dwm
without any desktop environment and think that this bug has appeared because
the pitivi ebuild has been tested only for
default/linux/amd64/23.0/desktop/gnome profile.