Fix 'make check' build against core CVS.

Original commit message from CVS:
* configure.ac:
* tests/check/elements/volume.c: (GST_START_TEST):
Fix 'make check' build against core CVS.

ChangeLog

+2007-07-12  Tim-Philipp Müller  <tim at centricular dot net>
+
+	* configure.ac:
+	* tests/check/elements/volume.c: (GST_START_TEST):
+	  Fix 'make check' build against core CVS.
+
 2007-07-10  Stefan Kost  <ensonic@users.sf.net>
 	* gst-libs/gst/interfaces/propertyprobe.c:

configure.ac

@@ -54,7 +54,7 @@ dnl AS_LIBTOOL_TAGS
 AM_PROG_LIBTOOL
 
 dnl *** required versions of GStreamer stuff ***
-GST_REQ=0.10.12.1
+GST_REQ=0.10.13.1
 
 dnl *** autotools stuff ****
 

tests/check/elements/volume.c

@@ -372,6 +372,7 @@ GST_END_TEST;
 
 GST_START_TEST (test_controller_usability)
 {
+  GstInterpolationControlSource *csource;
   GstController *c;
   GstElement *volume;
   GValue value = { 0, };
@@ -379,21 +380,25 @@ GST_START_TEST (test_controller_usability)
   /* note: the volume element should init the controller library for us */
   volume = setup_volume ();
 
-  g_value_init (&value, G_TYPE_DOUBLE);
-
   c = gst_controller_new (G_OBJECT (volume), "volume", NULL);
 
   fail_unless (GST_IS_CONTROLLER (c));
 
   /* this shouldn't crash, whether this mode is implemented or not */
-  gst_controller_set_interpolation_mode (c, "volume", GST_INTERPOLATE_CUBIC);
+  csource = gst_interpolation_control_source_new ();
+  gst_interpolation_control_source_set_interpolation_mode (csource,
+      GST_INTERPOLATE_CUBIC);
+  gst_controller_set_control_source (c, "volume", GST_CONTROL_SOURCE (csource));
+  g_object_unref (csource);
 
+  g_value_init (&value, G_TYPE_DOUBLE);
+  g_value_set_double (&value, 0.0);
+  gst_interpolation_control_source_set (csource, 0 * GST_SECOND, &value);
   g_value_set_double (&value, 1.0);
-  gst_controller_set (c, "volume", 0 * GST_SECOND, &value);
-  g_value_set_double (&value, 1.0);
-  gst_controller_set (c, "volume", 5 * GST_SECOND, &value);
+  gst_interpolation_control_source_set (csource, 5 * GST_SECOND, &value);
   g_value_set_double (&value, 0.0);
-  gst_controller_set (c, "volume", 10 * GST_SECOND, &value);
+  gst_interpolation_control_source_set (csource, 10 * GST_SECOND, &value);
+  g_value_unset (&value);
 
   g_object_unref (c);