libs: add type definitions for GstVaapiPoint and GstVaapiRectangle.

Add helper functions to describe GstVaapiPoint and GstVaapiRectangle
structures as a standard GType. This could be useful to have them
described as a GValue later on.

gst-libs/gst/vaapi/gstvaapivalue.c

@@ -29,6 +29,49 @@
 #include <gobject/gvaluecollector.h>
 #include "gstvaapivalue.h"
 
+static gpointer
+default_copy_func(gpointer data)
+{
+    return data;
+}
+
+static void
+default_free_func(gpointer data)
+{
+}
+
+/* --- GstVaapiPoint --- */
+
+GType
+gst_vaapi_point_get_type(void)
+{
+    static volatile gsize g_type = 0;
+
+    if (g_once_init_enter(&g_type)) {
+        GType type = g_boxed_type_register_static(
+            g_intern_static_string("GstVaapiPoint"),
+            default_copy_func, default_free_func);
+        g_once_init_leave(&g_type, type);
+    }
+    return g_type;
+}
+
+/* --- GstVaapiRectangle --- */
+
+GType
+gst_vaapi_rectangle_get_type(void)
+{
+    static volatile gsize g_type = 0;
+
+    if (g_once_init_enter(&g_type)) {
+        GType type = g_boxed_type_register_static(
+            g_intern_static_string("GstVaapiRectangle"),
+            default_copy_func, default_free_func);
+        g_once_init_leave(&g_type, type);
+    }
+    return g_type;
+}
+
 /* --- GstVaapiRenderMode --- */
 
 GType

gst-libs/gst/vaapi/gstvaapivalue.h

@@ -28,6 +28,25 @@
 
 G_BEGIN_DECLS
 
+/**
+ * GST_VAAPI_TYPE_POINT:
+ *
+ * A #GstVaapiPoint type that represents a 2D point coordinates.
+ *
+ * Return value: the GType of #GstVaapiPoint
+ */
+#define GST_VAAPI_TYPE_POINT gst_vaapi_point_get_type()
+
+/**
+ * GST_VAAPI_TYPE_RECTANGLE:
+ *
+ * A #GstVaapiRectangle type that represents a 2D rectangle position
+ * and size.
+ *
+ * Return value: the GType of #GstVaapiRectangle
+ */
+#define GST_VAAPI_TYPE_RECTANGLE gst_vaapi_rectangle_get_type()
+
 /**
  * GST_VAAPI_TYPE_RENDER_MODE:
  *
@@ -47,6 +66,12 @@ G_BEGIN_DECLS
  */
 #define GST_VAAPI_TYPE_ROTATION gst_vaapi_rotation_get_type()
 
+GType
+gst_vaapi_point_get_type(void) G_GNUC_CONST;
+
+GType
+gst_vaapi_rectangle_get_type(void) G_GNUC_CONST;
+
 GType
 gst_vaapi_render_mode_get_type(void) G_GNUC_CONST;