diff --git a/multimedia/Makefile b/multimedia/Makefile
index aeb3078db568..b5701593ee86 100644
--- a/multimedia/Makefile
+++ b/multimedia/Makefile
@@ -289,6 +289,7 @@
     SUBDIR += obs-qtwebkit
     SUBDIR += obs-streamfx
     SUBDIR += obs-studio
+    SUBDIR += obs-transition-matrix
     SUBDIR += obs-websocket
     SUBDIR += oggvideotools
     SUBDIR += ogmrip
diff --git a/multimedia/obs-transition-matrix/Makefile b/multimedia/obs-transition-matrix/Makefile
new file mode 100644
index 000000000000..7040406dc6ea
--- /dev/null
+++ b/multimedia/obs-transition-matrix/Makefile
@@ -0,0 +1,29 @@
+# $FreeBSD$
+
+PORTNAME=	obs-transition-matrix
+DISTVERSIONPREFIX=	v
+DISTVERSION=	1.0-4
+DISTVERSIONSUFFIX=	-g15f096e
+CATEGORIES=	multimedia
+
+MAINTAINER=	yuri@FreeBSD.org
+COMMENT=	OBS Studio Plugin: OBS Transition Matrix
+
+LICENSE=	GPLv2
+LICENSE_FILE=	${WRKSRC}/LICENSE
+
+LIB_DEPENDS=	libobs.so:multimedia/obs-studio
+
+USES=		cmake qt:5 compiler:c++11-lang
+USE_GITHUB=	yes
+GH_ACCOUNT=	admshao
+USE_QT=		core gui widgets buildtools_build qmake_build
+
+CMAKE_ARGS=	-DLIBOBS_INCLUDE_DIR=${LOCALBASE}/include
+
+CXXFLAGS+=	-I${LOCALBASE}/include/obs
+
+PLIST_FILES=	lib/obs-plugins/obs-transition-matrix.so \
+		share/obs/obs-plugins/obs-transition-matrix/locale/en-US.ini
+
+.include <bsd.port.mk>
diff --git a/multimedia/obs-transition-matrix/distinfo b/multimedia/obs-transition-matrix/distinfo
new file mode 100644
index 000000000000..48b4360bce2a
--- /dev/null
+++ b/multimedia/obs-transition-matrix/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1586049671
+SHA256 (admshao-obs-transition-matrix-v1.0-4-g15f096e_GH0.tar.gz) = 62ef0af910f7a54ac4dd5fb64e7ad371bec5e97569a0c4424ddd9f0ae8625daf
+SIZE (admshao-obs-transition-matrix-v1.0-4-g15f096e_GH0.tar.gz) = 20038
diff --git a/multimedia/obs-transition-matrix/files/patch-external_FindLibObs.cmake b/multimedia/obs-transition-matrix/files/patch-external_FindLibObs.cmake
new file mode 100644
index 000000000000..5bf53f13e3c1
--- /dev/null
+++ b/multimedia/obs-transition-matrix/files/patch-external_FindLibObs.cmake
@@ -0,0 +1,11 @@
+--- external/FindLibObs.cmake.orig	2020-04-03 19:34:06 UTC
++++ external/FindLibObs.cmake
+@@ -95,7 +95,7 @@ if(LIBOBS_FOUND)
+ 
+ 	set(LIBOBS_INCLUDE_DIRS ${LIBOBS_INCLUDE_DIR} ${W32_PTHREADS_INCLUDE_DIR})
+ 	set(LIBOBS_LIBRARIES ${LIBOBS_LIB} ${W32_PTHREADS_LIB})
+-	include(${LIBOBS_INCLUDE_DIR}/../cmake/external/ObsPluginHelpers.cmake)
++	include(${CMAKE_INSTALL_PREFIX}/lib/cmake/ObsPluginHelpers.cmake)
+ 
+ 	# allows external plugins to easily use/share common dependencies that are often included with libobs (such as FFmpeg)
+ 	if(NOT DEFINED INCLUDED_LIBOBS_CMAKE_MODULES)
diff --git a/multimedia/obs-transition-matrix/pkg-descr b/multimedia/obs-transition-matrix/pkg-descr
new file mode 100644
index 000000000000..265a22c4eb2e
--- /dev/null
+++ b/multimedia/obs-transition-matrix/pkg-descr
@@ -0,0 +1,3 @@
+Expands the basic custom transition support to a scene to scene basis.
+
+WWW: https://github.com/admshao/obs-transition-matrix