v4l2src: Don't assert when the interface is not implemented.

Simply return FALSE instead.

https://bugzilla.gnome.org/show_bug.cgi?id=667817

diff --git a/sys/v4l2/gstv4l2src.c b/sys/v4l2/gstv4l2src.c
index 023e77b..e2175a4 100644 (file)
--- a/sys/v4l2/gstv4l2src.c
+++ b/sys/v4l2/gstv4l2src.c
@@ -95,14 +95,16 @@ gst_v4l2src_iface_supported (GstImplementsInterface * iface, GType iface_type)
   GstV4l2Object *v4l2object = GST_V4L2SRC (iface)->v4l2object;
 
 #ifdef HAVE_XVIDEO
-  g_assert (iface_type == GST_TYPE_TUNER ||
-      iface_type == GST_TYPE_X_OVERLAY ||
-      iface_type == GST_TYPE_COLOR_BALANCE ||
-      iface_type == GST_TYPE_VIDEO_ORIENTATION);
+  if (!(iface_type == GST_TYPE_TUNER ||
+        iface_type == GST_TYPE_X_OVERLAY ||
+        iface_type == GST_TYPE_COLOR_BALANCE ||
+        iface_type == GST_TYPE_VIDEO_ORIENTATION))
+    return FALSE;
 #else
-  g_assert (iface_type == GST_TYPE_TUNER ||
-      iface_type == GST_TYPE_COLOR_BALANCE ||
-      iface_type == GST_TYPE_VIDEO_ORIENTATION);
+  if (!(iface_type == GST_TYPE_TUNER ||
+        iface_type == GST_TYPE_COLOR_BALANCE ||
+        iface_type == GST_TYPE_VIDEO_ORIENTATION))
+    return FALSE;
 #endif
 
   if (v4l2object->video_fd == -1)