Add Shotcut: A free, open source, cross-platform video editor

Includes a patch which has already been applied upstream:
mltframework/shotcut#31

pkgs/applications/video/shotcut/CuteLogger.patch

@@ -0,0 +1,13 @@
+diff --git shotcut-14.07/CuteLogger/CuteLogger.pro shotcut-14.07/CuteLogger/CuteLogger.pro
+index 501eddc..a5290b0 100644
+--- shotcut-14.07/CuteLogger/CuteLogger.pro
++++ shotcut-14.07/CuteLogger/CuteLogger.pro
+@@ -42,7 +42,7 @@ unix:!symbian {
+     maemo5 {
+         target.path = /opt/usr/lib
+     } else {
+-        target.path = /usr/lib
++        target.path = $(INSTALL_ROOT)/usr/lib
+     }
+     INSTALLS += target
+ }

pkgs/applications/video/shotcut/default.nix

@@ -0,0 +1,41 @@
+{ stdenv, fetchurl, SDL, frei0r, gettext, makeWrapper, mlt, pkgconfig, qt5 }:
+
+stdenv.mkDerivation rec {
+  name = "shotcut-${version}";
+  version = "14.07";
+
+  src = fetchurl {
+    url = "https://github.com/mltframework/shotcut/archive/v${version}.tar.gz";
+    sha256 = "05g0b3jhmmdv8qnlgmi8wsfi7l3c5zvjcrrb3q7ajfc3q7yf6k6a";
+  };
+
+  buildInputs = [ SDL frei0r gettext makeWrapper mlt pkgconfig qt5 ];
+
+  # Fixed in git and can be removed for the next release
+  patches = [ ./CuteLogger.patch ];
+
+  configurePhase = "qmake PREFIX=$out";
+
+  postInstall = ''
+    mkdir -p $out/share/shotcut
+    cp -r src/qml $out/share/shotcut/
+    wrapProgram $out/bin/shotcut --prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1
+  '';
+
+  meta = with stdenv.lib; {
+    description = "A free, open source, cross-platform video editor";
+    longDescription = ''
+      An offical binary for Shotcut, which includes all the
+      dependencies pinned to specific versions, is provided on
+      http://shotcut.org.
+
+      If you encounter problems with this version, please contact the
+      nixpkgs maintainer(s). If you wish to report any bugs upstream,
+      please use the official build from shotcut.org instead.
+    '';
+    homepage = http://shotcut.org;
+    license = licenses.gpl3;
+    maintainers = [ maintainers.goibhniu ];
+    platforms = platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -9232,6 +9232,8 @@ let
 
   ruby_ncursesw_sup = callPackage ../development/libraries/ruby_ncursesw_sup { };
 
+  shotcut = callPackage ../applications/video/shotcut { mlt = mlt-qt5; };
+
   smplayer = callPackage ../applications/video/smplayer { };
 
   sup = with rubyLibs; callPackage ../applications/networking/mailreaders/sup {