klv: add klv library, klvinject and klvinspect elements

Create as a separate library until gst-plugins-base MR124 is merged into tag

gst/klv/CMakeLists.txt

@@ -0,0 +1,32 @@
+set (SOURCES
+  gstklv.c
+  gstklvinject.c
+  gstklvinspect.c)
+    
+set (HEADERS
+  gstklvinject.h
+  gstklvinspect.h)
+
+include_directories (AFTER
+  ${PROJECT_SOURCE_DIR}/common
+  ${PROJECT_SOURCE_DIR}/gst-libs/klv
+  )
+
+set (libname libgstklv)
+
+add_library (${libname} MODULE
+  ${SOURCES}
+  ${HEADERS})
+  
+target_link_libraries (${libname}
+  ${GLIB2_LIBRARIES}
+  ${GOBJECT_LIBRARIES}
+  ${GSTREAMER_LIBRARY}
+  ${GSTREAMER_BASE_LIBRARY}
+  ${GSTREAMER_VIDEO_LIBRARY}
+  libgstklv-1.0-0)
+
+set (pdbfile "${CMAKE_CURRENT_BINARY_DIR}/\${CMAKE_INSTALL_CONFIG_NAME}/${libname}.pdb")
+install (FILES ${pdbfile} DESTINATION lib/gstreamer-1.0 COMPONENT pdb)
+install (TARGETS ${libname}
+    LIBRARY DESTINATION lib/gstreamer-1.0)