Add gst_vaapi_window_get_display() to base.

gst-libs/gst/vaapi/gstvaapiwindow.c

@@ -37,15 +37,17 @@ G_DEFINE_TYPE(GstVaapiWindow, gst_vaapi_window, G_TYPE_OBJECT);
                                  GstVaapiWindowPrivate))
 
 struct _GstVaapiWindowPrivate {
-    guint       width;
+    GstVaapiDisplay    *display;
-    guint       height;
+    guint               width;
-    gboolean    is_constructed  : 1;
+    guint               height;
-    guint       is_fullscreen   : 1;
+    gboolean            is_constructed  : 1;
+    guint               is_fullscreen   : 1;
 };
 
 enum {
     PROP_0,
 
+    PROP_DISPLAY,
     PROP_WIDTH,
     PROP_HEIGHT
 };
@@ -53,7 +55,14 @@ enum {
 static void
 gst_vaapi_window_destroy(GstVaapiWindow *window)
 {
+    GstVaapiWindowPrivate * const priv = window->priv;
+
     GST_VAAPI_WINDOW_GET_CLASS(window)->destroy(window);
+
+    if (priv->display) {
+        g_object_unref(priv->display);
+        priv->display = NULL;
+    }
 }
 
 static gboolean
@@ -95,6 +104,9 @@ gst_vaapi_window_set_property(
     GstVaapiWindow * const window = GST_VAAPI_WINDOW(object);
 
     switch (prop_id) {
+    case PROP_DISPLAY:
+        window->priv->display = g_object_ref(g_value_get_object(value));
+        break;
     case PROP_WIDTH:
         gst_vaapi_window_set_width(window, g_value_get_uint(value));
         break;
@@ -118,6 +130,9 @@ gst_vaapi_window_get_property(
     GstVaapiWindow * const window = GST_VAAPI_WINDOW(object);
 
     switch (prop_id) {
+    case PROP_DISPLAY:
+        g_value_set_object(value, gst_vaapi_window_get_display(window));
+        break;
     case PROP_WIDTH:
         g_value_set_uint(value, gst_vaapi_window_get_width(window));
         break;
@@ -155,6 +170,20 @@ gst_vaapi_window_class_init(GstVaapiWindowClass *klass)
     object_class->get_property = gst_vaapi_window_get_property;
     object_class->constructed  = gst_vaapi_window_constructed;
 
+    /**
+     * GstVaapiWindowX11:display:
+     *
+     * The #GstVaapiDisplay this window is bound to
+     */
+    g_object_class_install_property
+        (object_class,
+         PROP_DISPLAY,
+         g_param_spec_object("display",
+                             "Display",
+                             "The GstVaapiDisplay this window is bound to",
+                             GST_VAAPI_TYPE_DISPLAY,
+                             G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
+
     g_object_class_install_property
         (object_class,
          PROP_WIDTH,
@@ -180,12 +209,29 @@ gst_vaapi_window_init(GstVaapiWindow *window)
     GstVaapiWindowPrivate *priv = GST_VAAPI_WINDOW_GET_PRIVATE(window);
 
     window->priv                = priv;
+    priv->display               = NULL;
     priv->width                 = 1;
     priv->height                = 1;
     priv->is_constructed        = FALSE;
     priv->is_fullscreen         = FALSE;
 }
 
+/**
+ * gst_vaapi_window_get_display:
+ * @window: a #GstVaapiWindow
+ *
+ * Returns the #GstVaapiDisplay this @window is bound to.
+ *
+ * Return value: the parent #GstVaapiDisplay object
+ */
+GstVaapiDisplay *
+gst_vaapi_window_get_display(GstVaapiWindow *window)
+{
+    g_return_val_if_fail(GST_VAAPI_IS_WINDOW(window), NULL);
+
+    return window->priv->display;
+}
+
 /**
  * gst_vaapi_window_show:
  * @window: a #GstVaapiWindow

gst-libs/gst/vaapi/gstvaapiwindow.h

@@ -101,6 +101,9 @@ struct _GstVaapiWindowClass {
 GType
 gst_vaapi_window_get_type(void);
 
+GstVaapiDisplay *
+gst_vaapi_window_get_display(GstVaapiWindow *window);
+
 void
 gst_vaapi_window_show(GstVaapiWindow *window);
 

gst-libs/gst/vaapi/gstvaapiwindow_x11.c

@@ -53,7 +53,6 @@ struct _GstVaapiWindowX11Private {
 enum {
     PROP_0,
 
-    PROP_DISPLAY,
     PROP_XID,
 };
 
@@ -336,9 +335,6 @@ gst_vaapi_window_x11_set_property(
     GstVaapiWindowX11 * const window = GST_VAAPI_WINDOW_X11(object);
 
     switch (prop_id) {
-    case PROP_DISPLAY:
-        window->priv->display = g_object_ref(g_value_get_object(value));
-        break;
     case PROP_XID:
         window->priv->xid = g_value_get_uint(value);
         break;
@@ -359,9 +355,6 @@ gst_vaapi_window_x11_get_property(
     GstVaapiWindowX11 * const window = GST_VAAPI_WINDOW_X11(object);
 
     switch (prop_id) {
-    case PROP_DISPLAY:
-        g_value_set_object(value, window->priv->display);
-        break;
     case PROP_XID:
         g_value_set_uint(value, gst_vaapi_window_x11_get_xid(window));
         break;
@@ -375,8 +368,12 @@ static void
 gst_vaapi_window_x11_constructed(GObject *object)
 {
     GstVaapiWindowX11 * const window = GST_VAAPI_WINDOW_X11(object);
+    GstVaapiDisplay *display;
     GObjectClass *parent_class;
 
+    window->priv->display =
+        g_object_ref(gst_vaapi_window_get_display(GST_VAAPI_WINDOW(window)));
+
     window->priv->create_window = window->priv->xid == None;
 
     parent_class = G_OBJECT_CLASS(gst_vaapi_window_x11_parent_class);
@@ -405,20 +402,6 @@ gst_vaapi_window_x11_class_init(GstVaapiWindowX11Class *klass)
     window_class->resize         = gst_vaapi_window_x11_resize;
     window_class->render         = gst_vaapi_window_x11_render;
 
-    /**
-     * GstVaapiWindowX11:display:
-     *
-     * The #GstVaapiDisplay this window is bound to
-     */
-    g_object_class_install_property
-        (object_class,
-         PROP_DISPLAY,
-         g_param_spec_object("display",
-                             "Display",
-                             "The GstVaapiDisplay this window is bound to",
-                             GST_VAAPI_TYPE_DISPLAY,
-                             G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
-
     /**
      * GstVaapiWindowX11:xid:
      *