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-rw-r--r--gst/smpte/gstsmptealpha.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gst/smpte/gstsmptealpha.c b/gst/smpte/gstsmptealpha.c
index bb696d7ba..030cb5d95 100644
--- a/gst/smpte/gstsmptealpha.c
+++ b/gst/smpte/gstsmptealpha.c
@@ -202,6 +202,13 @@ gst_smpte_alpha_class_init (GstSMPTEAlphaClass * klass)
g_param_spec_double ("position", "Position",
"Position of the transition effect", 0.0, 1.0, DEFAULT_PROP_POSITION,
GST_PARAM_CONTROLLABLE | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
+ /**
+ * GstSMPTEAlpha:invert:
+ *
+ * Set to TRUE to invert the transition mask (ie. flip it horizontally).
+ *
+ * Since: 0.10.23
+ */
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_INVERT,
g_param_spec_boolean ("invert", "Invert",
"Invert transition mask", DEFAULT_PROP_POSITION,