configure.ac: fix build when the uvch264 plugin is not selected

Instead of checking for the gstreamer-video-1.0 package is installed,
just assume it is since we already check for the -base dependency.

With this replace the GST_VIDEO_* variables in makefiles and directly
link with libgstvideo.

https://bugzilla.gnome.org/show_bug.cgi?id=753820

configure.ac

@@ -1702,7 +1702,6 @@ dnl *** UVC H264 ***
 translit(dnm, m, l) AM_CONDITIONAL(USE_UVCH264, true)
 AG_GST_CHECK_FEATURE(UVCH264, [UVC H264], uvch264, [
   AC_CHECK_HEADER(linux/uvcvideo.h, HAVE_UVCVIDEO_H=yes, HAVE_UVCVIDEO_H=no)
-  AG_GST_PKG_CHECK_MODULES(GST_VIDEO, gstreamer-video-1.0)
   PKG_CHECK_MODULES(G_UDEV, gudev-1.0 , [
           AC_DEFINE([HAVE_GUDEV], 1, [Define if gudev is installed])
           HAVE_GUDEV="yes" ],

gst-libs/gst/video/Makefile.am

@@ -14,12 +14,12 @@ libgstbadvideo_@GST_API_VERSION@_la_CFLAGS = \
 	-I$(top_builddir)/gst-libs \
 	$(GST_CFLAGS) $(ORC_CFLAGS) \
 	$(GST_PLUGINS_BASE_CFLAGS) \
-	$(GST_BASE_CFLAGS) \
-	$(GST_VIDEO_CFLAGS)
+	$(GST_BASE_CFLAGS)
 
 libgstbadvideo_@GST_API_VERSION@_la_LIBADD = \
 	$(top_builddir)/gst-libs/gst/base/libgstbadbase-$(GST_API_VERSION).la \
-	$(GST_VIDEO_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(ORC_LIBS) $(LIBM)
+	$(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) \
+	$(GST_BASE_LIBS) $(GST_LIBS) $(ORC_LIBS) $(LIBM)
 
 libgstbadvideo_@GST_API_VERSION@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
 

sys/uvch264/Makefile.am

@@ -8,7 +8,6 @@ libgstuvch264_la_SOURCES = gstuvch264.c \
 libgstuvch264_la_CFLAGS =   $(GST_PLUGINS_BAD_CFLAGS) \
 			    $(GST_PLUGINS_BASE_CFLAGS) \
 	  		    $(GST_BASE_CFLAGS) \
-			    $(GST_VIDEO_CFLAGS) \
 			    $(GST_CFLAGS) \
 			    $(G_UDEV_CFLAGS) \
 			    $(LIBUSB_CFLAGS) \
@@ -18,9 +17,8 @@ libgstuvch264_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstuvch264_la_LIBTOOLFLAGS = $(GST_PLUGIN_LIBTOOLFLAGS)
 
 libgstuvch264_la_LIBADD =   $(GST_PLUGINS_BASE_LIBS) \
+			    -lgstvideo-$(GST_API_VERSION) \
 			    $(GST_BASE_LIBS) \
-			    $(GST_PLUGINS_BASE_LIBS) \
-			    $(GST_VIDEO_LIBS) \
 			    $(GST_LIBS) \
 			    $(G_UDEV_LIBS) \
 			    $(LIBUSB_LIBS) \

tests/examples/uvch264/Makefile.am

@@ -11,14 +11,12 @@ test_uvch264_SOURCES = test-uvch264.c
 test_uvch264_CFLAGS  = \
         $(GST_PLUGINS_BAD_CFLAGS) \
         $(GST_PLUGINS_BASE_CFLAGS) \
-	$(GST_VIDEO_CFLAGS) \
 	$(GST_CFLAGS) \
 	$(GTK_CFLAGS) \
 	$(GMODULE_EXPORT_CFLAGS) \
         -DGST_USE_UNSTABLE_API
 test_uvch264_LDADD   = \
-        $(GST_PLUGINS_BASE_LIBS) \
-	$(GST_VIDEO_LIBS) \
+        $(GST_PLUGINS_BASE_LIBS) -lgstvideo-$(GST_API_VERSION) \
         $(GST_LIBS) \
 	$(GTK_LIBS) \
 	$(GMODULE_EXPORT_LIBS)