Add gstvideo in build dependencies

configure.ac

@@ -180,6 +180,14 @@ fi
 AC_SUBST(GST_CONTROLLER_LIBS)
 AC_SUBST(GST_CONTROLLER_CFLAGS)
 
+dnl check for gstvideo
+PKG_CHECK_MODULES(GST_VIDEO, gstreamer-video-$GST_MAJORMINOR, HAVE_GST_VIDEO="yes", HAVE_GST_CONROLLER="no")
+if test "x$HAVE_GST_VIDEO" != "xyes"; then
+  AC_ERROR([gst-video is required for transition support])
+fi
+AC_SUBST(GST_VIDEO_LIBS)
+AC_SUBST(GST_VIDEO_CFLAGS)
+
 dnl Check for documentation xrefs
 GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
 GST_PREFIX="`$PKG_CONFIG --variable=prefix gstreamer-$GST_MAJORMINOR`"

ges/Makefile.am

@@ -76,8 +76,8 @@ libges_@GST_MAJORMINOR@include_HEADERS = 	\
 	ges-screenshot.h			\
 	ges-utils.h
 
-libges_@GST_MAJORMINOR@_la_CFLAGS = -I$(top_srcdir) $(GST_PROFILE_CFLAGS) $(GST_PBUTILS_CFLAGS) $(GST_CONTROLLER_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
-libges_@GST_MAJORMINOR@_la_LIBADD = $(GST_PROFILE_LIBS) $(GST_PBUTILS_LIBS) $(GST_CONTROLLER_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) 
+libges_@GST_MAJORMINOR@_la_CFLAGS = -I$(top_srcdir) $(GST_PROFILE_CFLAGS) $(GST_PBUTILS_CFLAGS) $(GST_VIDEO_CFLAGS) $(GST_CONTROLLER_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+libges_@GST_MAJORMINOR@_la_LIBADD = $(GST_PROFILE_LIBS) $(GST_PBUTILS_LIBS) $(GST_VIDEO_LIBS) $(GST_CONTROLLER_LIBS) $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) 
 libges_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
 
 DISTCLEANFILE = $(CLEANFILES)