Package: pitivi
Version: 0.99-2+b1
Severity: normal

Dear Maintainer,

In short, a bug related to crossfade transitions is fixed in the pitivi stable 
flatpak (what is now beta, will become 1.0 release), but this bug still occurs 
in the Debian sid package.

Running pitivi beta from Debian unstable, transitions (crossfades) are not 
rendered as they are in the stable flatpak (recommended installation method 
according to pitivi team).

Relevant pitivi bug (fixed) is here: https://phabricator.freedesktop.org/T7773

The problem is that simple crossfade transitions allow lower layers to "bleed 
through" during the fade. To test, try a checkerboard image as a lower layer, 
then crossfade between a red image and a blue image in a higher layer. In the 
beta installed from Debian unstable, this results in the checkerboard being 
visible during the fade. However, this bug has been fixed in pitivi stable 
(this is the version that is now considered beta and will become the 1.0 
release), and running the same project in the stable flatpak does not produce 
the same bleeding during the crossfade.




*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
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-- System Information:
Debian Release: buster/sid
  APT prefers testing
  APT policy: (900, 'testing'), (800, 'unstable'), (700, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.13.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages pitivi depends on:
ii  gir1.2-gdkpixbuf-2.0                                2.36.11-1
ii  gir1.2-ges-1.0                                      1.12.3-1
ii  gir1.2-glib-2.0                                     1.54.1-1
ii  gir1.2-gst-plugins-base-1.0                         1.12.3-1
ii  gir1.2-gstreamer-1.0                                1.12.3-1
ii  gir1.2-gtk-3.0                                      3.22.24-3
ii  gir1.2-pango-1.0                                    1.40.12-1
ii  gstreamer1.0-plugins-bad [gstreamer1.0-videosink]   1.12.3-2
ii  gstreamer1.0-plugins-base                           1.12.3-1
ii  gstreamer1.0-plugins-good [gstreamer1.0-videosink]  1.12.3-1
ii  gstreamer1.0-pulseaudio [gstreamer1.0-audiosink]    1.12.3-1
ii  gstreamer1.0-x [gstreamer1.0-videosink]             1.12.3-1
ii  libc6                                               2.24-17
ii  libcairo2                                           1.15.8-2
ii  libglib2.0-0                                        2.54.1-1
ii  libgstreamer-plugins-base1.0-0                      1.12.3-1
ii  libgstreamer1.0-0                                   1.12.3-1
ii  libpython3.6                                        3.6.3-1
ii  python3                                             3.6.3-1
ii  python3-cairo                                       1.10.0+dfsg-5+b3
ii  python3-dbus                                        1.2.4-1+b3
ii  python3-gi                                          3.24.1-3
ii  python3-gi-cairo                                    3.24.1-3
ii  python3-gst-1.0                                     1.12.3-1
ii  python3-matplotlib                                  2.0.0+dfsg1-2+b1
ii  python3-numpy                                       1:1.13.1-1
ii  python3-xdg                                         0.25-4
ii  python3.6                                           3.6.3-1

pitivi recommends no packages.

Versions of packages pitivi suggests:
pn  frei0r-plugins             <none>
ii  gir1.2-gnomedesktop-3.0    3.26.1-1
ii  gir1.2-notify-0.7          0.7.7-2
ii  gstreamer1.0-libav         1.12.3-1
ii  gstreamer1.0-plugins-ugly  1.12.3-1

-- no debconf information


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  • Bug#880367: pitivi: Pitivi not using same transition method as piti... erusan

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