Bug#859624: [pitivi] Freezes when attempting to load saved projects

[Bruno Kleinert]

Package: pitivi
Version: 0.98-1.1
Severity: normal

--- Please enter the report below this line. ---
Hi there,

I created a small pitivi project that begins with a title sequence and
then fades into a Matroska video, saved it as a pitivi project (.xges)
file and quit pitivi. When I start pitivi again from the gnome shell
(!) or gnome shell's integrated run command dialog window (Alt+F2), and
want to open that project again, pitivi freezes and, as it seems, does
not consume any CPU time.

Instead, when I start pitivi from a terminal window (!), it loads the
saved project file and I can continue to work with pitivi. I'm pretty
puzzled that pitivi works correctly, only when launched from a terminal
window :) My only guess what could lead pitivi to freeze, is that maybe
gnome-shell changes something related to stdin/-out, that does not
happen when pitivi is launched from a terminal window, or so.

The included Matroska video file (maybe any other video file format?)
is necessary to trigger the freeze. If I create a pitivi project file
that only consists of title sequences, pitivi does not freeze when
loading such projects.

Kind regards - Fuddl

--- System information. ---
Architecture: 
Kernel:       Linux 4.9.0-2-amd64

Debian Release: 9.0
  500 unstable        ftp.uni-erlangen.de 
    1 experimental    ftp.uni-erlangen.de 

--- Package information. ---
Depends                                (Version) | Installed
================================================-+-==============
libc6                                   (>= 2.4) | 2.24-9
libcairo2                             (>= 1.2.4) | 1.14.8-1
libglib2.0-0                         (>= 2.37.3) | 2.50.3-2
libgstreamer-plugins-base1.0-0        (>= 1.0.0) | 1.10.4-1
libgstreamer1.0-0                     (>= 1.0.0) | 1.10.4-1
libpython3.5                       (>= 3.5.0~b1) | 3.5.3-1
python3:any                        (>= 3.3.2-2~) | 
python3                                 (<< 3.6) | 3.5.3-1
python3                                (>= 3.5~) | 3.5.3-1
python3.5                                        | 3.5.3-1
python3-gi                             (>= 3.10) | 3.22.0-2
gir1.2-glib-2.0                      (>= 1.31.1) | 1.50.0-1+b1
gir1.2-gstreamer-1.0                 (>= 1.10.2) | 1.10.4-1
gir1.2-gst-plugins-base-1.0          (>= 1.10.2) | 1.10.4-1
gir1.2-ges-1.0                       (>= 1.10.2) | 1.10.4-1
gir1.2-pango-1.0                                 | 1.40.4-1
gir1.2-gdkpixbuf-2.0                             | 2.36.5-2
gir1.2-gtk-3.0                       (>= 3.10.0) | 3.22.11-1
python3-gst-1.0                      (>= 1.10.2) | 1.10.4-1
python3-numpy                                    | 1:1.12.0-2
python3-matplotlib                               | 2.0.0+dfsg1-2
python3-xdg                                      | 0.25-4
python3-cairo                                    | 1.10.0+dfsg-5+b1
python3-gi-cairo                                 | 3.22.0-2
python3-dbus                                     | 1.2.4-1+b1
gstreamer1.0-plugins-base            (>= 1.10.2) | 1.10.4-1
gstreamer1.0-plugins-good            (>= 1.10.2) | 1.10.4-1
gstreamer1.0-plugins-bad             (>= 1.10.2) | 1.10.4-1
gstreamer1.0-pulseaudio                          | 1.10.4-1
 OR gstreamer1.0-audiosink                       | 
gstreamer1.0-x                                   | 1.10.4-1
 OR gstreamer1.0-videosink                       | 


Package's Recommends field is empty.

Suggests                       (Version) | Installed
========================================-+-===========
gstreamer1.0-plugins-ugly                | 1.10.4-1
gstreamer1.0-libav                       | 1.10.4-1
frei0r-plugins                           | 1.5.0-1
gir1.2-notify-0.7                        | 0.7.7-1+b1
gir1.2-gnomedesktop-3.0                  | 3.22.2-1




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