gnu: Add obs-gradient-source.

* gnu/packages/video.scm (obs-gradient-source): New variable.

Change-Id: If93e933bbd1198cccb04df2bcd304fab2875dcb5

gnu/packages/video.scm

@@ -4182,6 +4182,37 @@ masks.
 @end itemize\n")
     (license license:gpl2)))
 
+(define-public obs-gradient-source
+  (package
+    (name "obs-gradient-source")
+    (version "0.3.2")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/exeldro/obs-gradient-source")
+                    (commit version)))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "1s1frbax6md9bvlm4zynp9lab9fmh95xk7dq9b2f8q0rhprnb6g6"))))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:modules '((guix build cmake-build-system)
+                  (guix build utils))
+      #:tests? #f ;no tests
+      #:configure-flags
+      #~(list (string-append "-DLIBOBS_INCLUDE_DIR="
+                             #$(this-package-input "obs") "/lib")
+              "-DBUILD_OUT_OF_TREE=On"
+              "-Wno-dev")))
+    (inputs (list obs qtbase-5))
+    (home-page "https://github.com/exeldro/obs-gradient-source")
+    (synopsis "Plugin for adding a gradient Source to OBS Studio")
+    (description "This package provides a plugin for adding a gradient Source
+to OBS Studio.")
+    (license license:gpl2)))
+
 (define-public obs-looking-glass
   (package
     (name "obs-looking-glass")