~ > pacman -Qi mlt kdenlive 
Name            : mlt
Version         : 6.4.1-3
Description     : An open source multimedia framework
Architecture    : x86_64
URL             : http://www.mltframework.org
Licenses        : GPL
Groups          : None
Provides        : None
Depends On      : None
Optional Deps   : sdl_image: for SDL plugin [installed]
                  libsamplerate: for libavresample plugin [installed]
                  sox: for SOX (Audio Swiss Army Knife) plugin [installed]
                  ffmpeg: for ffmpeg plugin [installed]
                  vid.stab: for video stabilize plugin [installed]
                  gtk2: Gtk plugin [installed]
                  qt5-svg: for Qt5 plugins [installed]
                  jack: for JACK sound output plugin [installed]
                  ladspa: for LADSPA plugins [installed]
                  libexif: for auto rotate plugin [installed]
                  frei0r-plugins: for additional effects [installed]
                  movit: opengl plugin
Required By     : kdenlive  mlt-python-bindings  shotcut
Optional For    : None
Conflicts With  : mlt++<=0.3.8
Replaces        : None
Installed Size  : 34.17 MiB
Packager        : Antonio Rojas <arojas@archlinux.org>
Build Date      : Sun 29 Jan 2017 06:07:34 PM GMT
Install Date    : Sat 18 Feb 2017 06:31:14 PM GMT
Install Reason  : Installed as a dependency for another package
Install Script  : No
Validated By    : Signature

Name            : kdenlive
Version         : 16.12.2-1
Description     : A non-linear video editor for Linux using the MLT video framework
Architecture    : x86_64
URL             : http://www.kdenlive.org/
Licenses        : GPL
Groups          : kde-applications  kdemultimedia
Provides        : None
Depends On      : knewstuff  knotifyconfig  kded  kfilemetadata  qt5-webkit  mlt  glu  sdl_image  hicolor-icon-theme  qt5-quickcontrols
Optional Deps   : ffmpeg: for FFmpeg plugin [installed]
                  cdrtools: for creation of DVD ISO images
                  dvdauthor: for creation of DVD
                  dvgrab: for firewire capture [installed]
                  libdv: for webcam capture (if FFmpeg is not installed) [installed]
                  recordmydesktop: for screen capture [installed]
                  xine-ui: for DVD preview
                  plasma-desktop: theme configuration
Required By     : None
Optional For    : None
Conflicts With  : None
Replaces        : None
Installed Size  : 50.72 MiB
Packager        : Antonio Rojas <arojas@archlinux.org>
Build Date      : Wed 08 Feb 2017 07:14:43 AM GMT
Install Date    : Sat 18 Feb 2017 06:26:15 PM GMT
Install Reason  : Explicitly installed
Install Script  : No
Validated By    : Signature

~ > kdenlive 
Non KDE Desktop detected, forcing Breeze icon theme
MLT profiles path:  "/usr/share/mlt/profiles/"
mlt_repository_init: failed to dlopen /usr/lib/mlt/libmltopencv.so
  (/usr/lib/libpangox-1.0.so.0: undefined symbol: pango_x_get_shaper_map)
Segmentation fault (core dumped)


~ > shotcut 
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> language "en_US"
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> deinterlacer "onefield"
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> external monitor ""
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> GPU processing false
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> interpolation "nearest"
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> video mode ""
[Debug  ] <static ShotcutSettings& ShotcutSettings::singleton()> realtime true
[Info   ] <Application::Application(int&, char**)> Starting Shotcut version 17.02.18
[Info   ] <Application::Application(int&, char**)> Linux version
[Info   ] <Application::Application(int&, char**)> number of logical cores = 8
[Info   ] <Application::Application(int&, char**)> locale = QLocale(English, Latin, UnitedStates)
[Info   ] <Application::Application(int&, char**)> install dir = "/usr/bin"
[Info   ] <Application::Application(int&, char**)> device pixel ratio = 1
[Debug  ] <MainWindow::changeTheme> begin
[Debug  ] <MainWindow::changeTheme> end
[Debug  ] <MainWindow::MainWindow()> begin
[Info   ] <GLTestWidget::GLTestWidget(QWidget*)> OpenGL context version 4 5
[Debug  ] <Mlt::Controller::Controller()> begin
[Info   ] <MLT> Plugin 1050 exists in both '/usr/lib/ladspa/noise.so' and '/usr/lib64/ladspa/noise.so'; using version in '/usr/lib/ladspa/noise.so'
[Info   ] <MLT> Plugin 1044 exists in both '/usr/lib/ladspa/sine.so' and '/usr/lib64/ladspa/sine.so'; using version in '/usr/lib/ladspa/sine.so'
[Info   ] <MLT> Plugin 1045 exists in both '/usr/lib/ladspa/sine.so' and '/usr/lib64/ladspa/sine.so'; using version in '/usr/lib/ladspa/sine.so'
[Info   ] <MLT> Plugin 1046 exists in both '/usr/lib/ladspa/sine.so' and '/usr/lib64/ladspa/sine.so'; using version in '/usr/lib/ladspa/sine.so'
[Info   ] <MLT> Plugin 1047 exists in both '/usr/lib/ladspa/sine.so' and '/usr/lib64/ladspa/sine.so'; using version in '/usr/lib/ladspa/sine.so'
[Info   ] <MLT> Plugin 1041 exists in both '/usr/lib/ladspa/filter.so' and '/usr/lib64/ladspa/filter.so'; using version in '/usr/lib/ladspa/filter.so'
[Info   ] <MLT> Plugin 1042 exists in both '/usr/lib/ladspa/filter.so' and '/usr/lib64/ladspa/filter.so'; using version in '/usr/lib/ladspa/filter.so'
[Info   ] <MLT> Plugin 1048 exists in both '/usr/lib/ladspa/amp.so' and '/usr/lib64/ladspa/amp.so'; using version in '/usr/lib/ladspa/amp.so'
[Info   ] <MLT> Plugin 1049 exists in both '/usr/lib/ladspa/amp.so' and '/usr/lib64/ladspa/amp.so'; using version in '/usr/lib/ladspa/amp.so'
[Info   ] <MLT> Plugin 1043 exists in both '/usr/lib/ladspa/delay.so' and '/usr/lib64/ladspa/delay.so'; using version in '/usr/lib/ladspa/delay.so'
[Warning] <MLT> mlt_repository_init: failed to dlopen /usr/lib/mlt/libmltopencv.so  (/usr/lib/libpangox-1.0.so.0: undefined symbol: pango_x_get_shaper_map)
Segmentation fault (core dumped)