gst: Clear floating flag in constructor of all GstObject subclasses that are not owned by any parent

https://bugzilla.gnome.org/show_bug.cgi?id=743062

gst-libs/gst/gl/android/gstglwindow_android_egl.c

@@ -69,13 +69,18 @@ gst_gl_window_android_egl_init (GstGLWindowAndroidEGL * window)
 GstGLWindowAndroidEGL *
 gst_gl_window_android_egl_new (GstGLDisplay * display)
 {
+  GstGLWindowAndroidEGL *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_EGL) == 0)
     /* we require an egl display to create android windows */
     return NULL;
 
   GST_DEBUG ("creating Android EGL window");
 
-  return g_object_new (GST_TYPE_GL_WINDOW_ANDROID_EGL, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_ANDROID_EGL, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 static void

gst-libs/gst/gl/cocoa/gstglcontext_cocoa.m

@@ -77,11 +77,16 @@ gst_gl_context_cocoa_init (GstGLContextCocoa * context)
 GstGLContextCocoa *
 gst_gl_context_cocoa_new (GstGLDisplay * display)
 {
+  GstGLContextCocoa *context;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_COCOA) == 0)
     /* we require an cocoa display to create CGL contexts */
     return NULL;
 
-  return g_object_new (GST_TYPE_GL_CONTEXT_COCOA, NULL);
+  context = g_object_new (GST_TYPE_GL_CONTEXT_COCOA, NULL);
+  gst_object_ref_sink (context);
+
+  return context;
 }
 
 struct pixel_attr

gst-libs/gst/gl/cocoa/gstgldisplay_cocoa.m

@@ -115,6 +115,7 @@ gst_gl_display_cocoa_setup_nsapp (gpointer data)
 
   if (NSApp != nil && !singleton) {
     GstGLDisplayCocoa *ret = g_object_new (GST_TYPE_GL_DISPLAY_COCOA, NULL);
+    gst_object_ref_sink (ret);
     g_mutex_unlock (&nsapp_lock);
     return ret;
   }
@@ -167,6 +168,7 @@ gst_gl_display_cocoa_setup_nsapp (gpointer data)
   } else {
     GST_DEBUG ("Create display");
     singleton = g_object_new (GST_TYPE_GL_DISPLAY_COCOA, NULL);
+    gst_object_ref_sink (singletone);
   }
 
   g_mutex_unlock (&nsapp_lock);
@@ -223,13 +225,18 @@ gst_gl_display_cocoa_finalize (GObject * object)
 GstGLDisplayCocoa *
 gst_gl_display_cocoa_new (void)
 {
+  GstGLDisplayCocoa *display;
+
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
 #ifndef GSTREAMER_GLIB_COCOA_NSAPPLICATION
-  return gst_gl_display_cocoa_setup_nsapp (NULL);
+  display = gst_gl_display_cocoa_setup_nsapp (NULL);
 #else
-  return g_object_new (GST_TYPE_GL_DISPLAY_COCOA, NULL);
+  display = g_object_new (GST_TYPE_GL_DISPLAY_COCOA, NULL);
+  gst_object_ref_sink (display);
 #endif
+
+  return display;
 }
 
 static guintptr

gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m

@@ -143,11 +143,16 @@ gst_gl_window_cocoa_finalize (GObject * object)
 GstGLWindowCocoa *
 gst_gl_window_cocoa_new (GstGLDisplay * display)
 {
+  GstGLWindowCocoa *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_COCOA) == 0)
     /* we require an cocoa display to create CGL windows */
     return NULL;
 
-  return g_object_new (GST_TYPE_GL_WINDOW_COCOA, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_COCOA, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 /* Must be called from the main thread */

gst-libs/gst/gl/dispmanx/gstglwindow_dispmanx_egl.c

@@ -108,13 +108,18 @@ gst_gl_window_dispmanx_egl_init (GstGLWindowDispmanxEGL * window_egl)
 GstGLWindowDispmanxEGL *
 gst_gl_window_dispmanx_egl_new (GstGLDisplay * display)
 {
+  GstGLWindowDispmanxEGL *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_EGL) == 0)
     /* we require an egl display to create dispmanx windows */
     return NULL;
 
   GST_DEBUG ("creating Dispmanx EGL window");
 
-  return g_object_new (GST_TYPE_GL_WINDOW_DISPMANX_EGL, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_DISPMANX_EGL, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 static void

gst-libs/gst/gl/eagl/gstglcontext_eagl.m

@@ -96,8 +96,13 @@ gst_gl_context_eagl_init (GstGLContextEagl * context)
 GstGLContextEagl *
 gst_gl_context_eagl_new (GstGLDisplay * display)
 {
+  GstGLContextEagl *context;
+
   /* there isn't actually a display type for eagl yet? */
-  return g_object_new (GST_TYPE_GL_CONTEXT_EAGL, NULL);
+  context = g_object_new (GST_TYPE_GL_CONTEXT_EAGL, NULL);
+  gst_object_ref_sink (context);
+
+  return context;
 }
 
 void

gst-libs/gst/gl/eagl/gstglwindow_eagl.m

@@ -103,8 +103,13 @@ gst_gl_window_eagl_finalize (GObject * object)
 GstGLWindowEagl *
 gst_gl_window_eagl_new (GstGLDisplay * display)
 {
+  GstGLWindowEagl *window;
+
   /* there isn't an eagl display type */
-  return g_object_new (GST_TYPE_GL_WINDOW_EAGL, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_EAGL, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 static guintptr

gst-libs/gst/gl/egl/gstglcontext_egl.c

@@ -108,9 +108,14 @@ gst_gl_context_egl_init (GstGLContextEGL * context)
 GstGLContextEGL *
 gst_gl_context_egl_new (GstGLDisplay * display)
 {
+  GstGLContextEGL *context;
+
   /* XXX: display type could theoretically be anything, as long as
    * eglGetDisplay supports it. */
-  return g_object_new (GST_TYPE_GL_CONTEXT_EGL, NULL);
+  context = g_object_new (GST_TYPE_GL_CONTEXT_EGL, NULL);
+  gst_object_ref_sink (context);
+
+  return context;
 }
 
 static gboolean

gst-libs/gst/gl/egl/gstgldisplay_egl.c

@@ -176,6 +176,7 @@ gst_gl_display_egl_new (void)
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
+  gst_object_ref_sink (ret);
   ret->display =
       gst_gl_display_egl_get_from_native (GST_GL_DISPLAY_TYPE_ANY, 0);
 
@@ -206,6 +207,7 @@ gst_gl_display_egl_new_with_egl_display (EGLDisplay display)
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
+  gst_object_ref_sink (ret);
 
   ret->display = display;
   ret->foreign_display = TRUE;
@@ -270,6 +272,7 @@ gst_gl_display_egl_from_gl_display (GstGLDisplay * display)
   g_return_val_if_fail (display_type != GST_GL_DISPLAY_TYPE_NONE, NULL);
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_EGL, NULL);
+  gst_object_ref_sink (ret);
 
   ret->display =
       gst_gl_display_egl_get_from_native (display_type, native_display);

gst-libs/gst/gl/egl/gstglmemoryegl.c

@@ -252,6 +252,7 @@ gst_gl_memory_egl_init_once (void)
 
     _gl_memory_egl_allocator =
         g_object_new (GST_TYPE_GL_MEMORY_EGL_ALLOCATOR, NULL);
+    gst_object_ref_sink (_gl_memory_egl_allocator);
 
     /* The allocator is never unreffed */
     GST_OBJECT_FLAG_SET (_gl_memory_egl_allocator,

gst-libs/gst/gl/gstglbuffer.c

@@ -461,6 +461,7 @@ gst_gl_buffer_init_once (void)
 
     _gl_buffer_allocator =
         g_object_new (gst_gl_buffer_allocator_get_type (), NULL);
+    gst_object_ref_sink (_gl_buffer_allocator);
 
     /* The allocator is never unreffed */
     GST_OBJECT_FLAG_SET (_gl_buffer_allocator, GST_OBJECT_FLAG_MAY_BE_LEAKED);

gst-libs/gst/gl/gstglbufferpool.c

@@ -310,6 +310,7 @@ gst_gl_buffer_pool_new (GstGLContext * context)
   GstGLBufferPool *pool;
 
   pool = g_object_new (GST_TYPE_GL_BUFFER_POOL, NULL);
+  gst_object_ref_sink (pool);
   pool->context = gst_object_ref (context);
 
   GST_LOG_OBJECT (pool, "new GL buffer pool for context %" GST_PTR_FORMAT,

gst-libs/gst/gl/gstglcolorconvert.c

@@ -469,7 +469,7 @@ gst_gl_color_convert_init (GstGLColorConvert * convert)
  * gst_gl_color_convert_new:
  * @context: a #GstGLContext
  *
- * Returns: a new #GstGLColorConvert object
+ * Returns: (transfer full): a new #GstGLColorConvert object
  *
  * Since: 1.4
  */
@@ -479,6 +479,7 @@ gst_gl_color_convert_new (GstGLContext * context)
   GstGLColorConvert *convert;
 
   convert = g_object_new (GST_TYPE_GL_COLOR_CONVERT, NULL);
+  gst_object_ref_sink (convert);
 
   convert->context = gst_object_ref (context);
 

gst-libs/gst/gl/gstglcontext.c

@@ -382,7 +382,7 @@ gst_gl_context_new (GstGLDisplay * display)
  * represented by @handle stays alive while the returned #GstGLContext is
  * active.
  *
- * Returns: a #GstGLContext wrapping @handle
+ * Returns: (transfer full): a #GstGLContext wrapping @handle
  *
  * Since: 1.4
  */
@@ -402,6 +402,7 @@ gst_gl_context_new_wrapped (GstGLDisplay * display, guintptr handle,
       NULL);
 
   context_wrap = g_object_new (GST_TYPE_GL_WRAPPED_CONTEXT, NULL);
+  gst_object_ref_sink (context_wrap);
 
   if (!context_wrap) {
     /* subclass returned a NULL context */

gst-libs/gst/gl/gstgldisplay.c

@@ -323,7 +323,8 @@ gst_gl_display_new (void)
         "(platform: %s), creating dummy",
         GST_STR_NULL (user_choice), GST_STR_NULL (platform_choice));
 
-    return g_object_new (GST_TYPE_GL_DISPLAY, NULL);
+    display = g_object_new (GST_TYPE_GL_DISPLAY, NULL);
+    gst_object_ref_sink (display);
   }
 
   return display;

gst-libs/gst/gl/gstglframebuffer.c

@@ -166,7 +166,7 @@ gst_gl_framebuffer_finalize (GObject * object)
  *
  * Returns: a new #GstGLFramebuffer
  *
- * Since: 1.10
+ * Since: (transfer full): 1.10
  */
 GstGLFramebuffer *
 gst_gl_framebuffer_new (GstGLContext * context)
@@ -187,6 +187,7 @@ gst_gl_framebuffer_new (GstGLContext * context)
   fb = g_object_new (GST_TYPE_GL_FRAMEBUFFER, NULL);
   fb->context = gst_object_ref (context);
   gl->GenFramebuffers (1, &fb->fbo_id);
+  gst_object_ref_sink (fb);
 
   return fb;
 }

gst-libs/gst/gl/gstglmemory.c

@@ -1096,6 +1096,7 @@ gst_gl_memory_init_once (void)
         "OpenGL Base Texture Memory");
 
     _gl_memory_allocator = g_object_new (GST_TYPE_GL_MEMORY_ALLOCATOR, NULL);
+    gst_object_ref_sink (_gl_memory_allocator);
 
     gst_allocator_register (GST_GL_MEMORY_ALLOCATOR_NAME, _gl_memory_allocator);
 

gst-libs/gst/gl/gstglmemorypbo.c

@@ -835,6 +835,7 @@ gst_gl_memory_pbo_init_once (void)
     GST_DEBUG_CATEGORY_INIT (GST_CAT_GL_MEMORY, "glmemory", 0, "OpenGL Memory");
 
     _gl_allocator = g_object_new (GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, NULL);
+    gst_object_ref_sink (_gl_allocator);
     /* The allocator is never unreffed */
     GST_OBJECT_FLAG_SET (_gl_allocator, GST_OBJECT_FLAG_MAY_BE_LEAKED);
 

gst-libs/gst/gl/gstgloverlaycompositor.c

@@ -474,6 +474,8 @@ gst_gl_overlay_compositor_new (GstGLContext * context)
   GstGLOverlayCompositor *compositor =
       g_object_new (GST_TYPE_GL_OVERLAY_COMPOSITOR, NULL);
 
+  gst_object_ref_sink (compositor);
+
   compositor->context = gst_object_ref (context);
 
   gst_gl_context_thread_add (compositor->context,
@@ -575,6 +577,7 @@ gst_gl_overlay_compositor_upload_overlays (GstGLOverlayCompositor * compositor,
         GstGLCompositionOverlay *overlay =
             gst_gl_composition_overlay_new (compositor->context, rectangle,
             compositor->position_attrib, compositor->texcoord_attrib);
+        gst_object_ref_sink (overlay);
 
         gst_gl_composition_overlay_upload (overlay, buf);
 

gst-libs/gst/gl/gstglrenderbuffer.c

@@ -317,6 +317,7 @@ gst_gl_renderbuffer_init_once (void)
 
     _gl_renderbuffer_allocator =
         g_object_new (GST_TYPE_GL_RENDERBUFFER_ALLOCATOR, NULL);
+    gst_object_ref_sink (_gl_renderbuffer_allocator);
     GST_OBJECT_FLAG_SET (_gl_renderbuffer_allocator,
         GST_OBJECT_FLAG_MAY_BE_LEAKED);
 

gst-libs/gst/gl/gstglshader.c

@@ -235,6 +235,7 @@ _new_with_stages_va_list (GstGLContext * context, GError ** error,
   g_return_val_if_fail (GST_IS_GL_CONTEXT (context), NULL);
 
   shader = g_object_new (GST_TYPE_GL_SHADER, NULL);
+  gst_object_ref_sink (shader);
   shader->context = gst_object_ref (context);
 
   while ((stage = va_arg (varargs, GstGLSLStage *))) {

gst-libs/gst/gl/gstglslstage.c

@@ -196,7 +196,7 @@ _ensure_shader (GstGLSLStage * stage)
  * @n_strings: the number of strings in @str
  * @str: an array of strings concatted together to produce a shader
  *
- * Returns: (transfer full): a new #GstGLSLStage of the specified @type
+ * Returns: (transfer floating): a new #GstGLSLStage of the specified @type
  *
  * Since: 1.8
  */
@@ -235,7 +235,7 @@ gst_glsl_stage_new_with_strings (GstGLContext * context, guint type,
  * @profile: the #GstGLSLProfile
  * @str: a shader string
  *
- * Returns: (transfer full): a new #GstGLSLStage of the specified @type
+ * Returns: (transfer floating): a new #GstGLSLStage of the specified @type
  *
  * Since: 1.8
  */
@@ -252,7 +252,7 @@ gst_glsl_stage_new_with_string (GstGLContext * context, guint type,
  * @context: a #GstGLContext
  * @type: the GL enum shader stage type
  *
- * Returns: (transfer full): a new #GstGLSLStage of the specified @type
+ * Returns: (transfer floating): a new #GstGLSLStage of the specified @type
  *
  * Since: 1.8
  */
@@ -267,7 +267,7 @@ gst_glsl_stage_new (GstGLContext * context, guint type)
  * gst_glsl_stage_new_with_default_vertex:
  * @context: a #GstGLContext
  *
- * Returns: (transfer full): a new #GstGLSLStage with the default vertex shader
+ * Returns: (transfer floating): a new #GstGLSLStage with the default vertex shader
  *
  * Since: 1.8
  */
@@ -284,7 +284,7 @@ gst_glsl_stage_new_default_vertex (GstGLContext * context)
  * gst_glsl_stage_new_with_default_fragment:
  * @context: a #GstGLContext
  *
- * Returns: (transfer full): a new #GstGLSLStage with the default fragment shader
+ * Returns: (transfer floating): a new #GstGLSLStage with the default fragment shader
  *
  * Since: 1.8
  */

gst-libs/gst/gl/gstglupload.c

@@ -1561,7 +1561,7 @@ gst_gl_upload_init (GstGLUpload * upload)
  * gst_gl_upload_new:
  * @context: a #GstGLContext
  *
- * Returns: a new #GstGLUpload object
+ * Returns: (transfer full): a new #GstGLUpload object
  */
 GstGLUpload *
 gst_gl_upload_new (GstGLContext * context)
@@ -1569,6 +1569,8 @@ gst_gl_upload_new (GstGLContext * context)
   GstGLUpload *upload = g_object_new (GST_TYPE_GL_UPLOAD, NULL);
   gint i, n;
 
+  gst_object_ref_sink (upload);
+
   if (context)
     gst_gl_upload_set_context (upload, context);
   else

gst-libs/gst/gl/gstglviewconvert.c

@@ -336,14 +336,19 @@ gst_gl_view_convert_finalize (GObject * object)
 /**
  * gst_gl_view_convert_new:
  *
- * Returns: a new #GstGLViewConvert
+ * Returns: (transfer full): a new #GstGLViewConvert
  *
  * Since: 1.6
  */
 GstGLViewConvert *
 gst_gl_view_convert_new (void)
 {
-  return g_object_new (GST_TYPE_GL_VIEW_CONVERT, NULL);
+  GstGLViewConvert *convert;
+
+  convert = g_object_new (GST_TYPE_GL_VIEW_CONVERT, NULL);
+  gst_object_ref_sink (convert);
+
+  return convert;
 }
 
 /**

gst-libs/gst/gl/gstglwindow.c

@@ -1014,5 +1014,10 @@ gst_gl_dummy_window_init (GstGLDummyWindow * dummy)
 GstGLDummyWindow *
 gst_gl_dummy_window_new (void)
 {
-  return g_object_new (gst_gl_dummy_window_get_type (), NULL);
+  GstGLDummyWindow *window;
+
+  window = g_object_new (gst_gl_dummy_window_get_type (), NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }

gst-libs/gst/gl/viv-fb/gstgldisplay_viv_fb.c

@@ -83,6 +83,7 @@ gst_gl_display_viv_fb_new (gint disp_idx)
   GST_DEBUG ("creating Vivante FB EGL display %d", disp_idx);
 
   display = g_object_new (GST_TYPE_GL_DISPLAY_VIV_FB, NULL);
+  gst_object_ref_sink (display);
   display->disp_idx = disp_idx;
   display->display = fbGetDisplayByIndex (display->disp_idx);
   if (!display->display) {

gst-libs/gst/gl/viv-fb/gstglwindow_viv_fb_egl.c

@@ -72,12 +72,17 @@ gst_gl_window_viv_fb_egl_init (GstGLWindowVivFBEGL * window)
 GstGLWindowVivFBEGL *
 gst_gl_window_viv_fb_egl_new (GstGLDisplay * display)
 {
+  GstGLWindowVivFBEGL *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_VIV_FB) ==
       0)
     /* we require a Vivante FB display to create windows */
     return NULL;
 
-  return g_object_new (GST_TYPE_GL_WINDOW_VIV_FB_EGL, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_VIV_FB_EGL, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 static void

gst-libs/gst/gl/wayland/gstgldisplay_wayland.c

@@ -116,6 +116,7 @@ gst_gl_display_wayland_new (const gchar * name)
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_WAYLAND, NULL);
+  gst_object_ref_sink (ret);
   ret->display = wl_display_connect (name);
 
   if (!ret->display) {
@@ -151,6 +152,7 @@ gst_gl_display_wayland_new_with_display (struct wl_display * display)
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_WAYLAND, NULL);
+  gst_object_ref_sink (ret);
 
   ret->display = display;
   ret->foreign_display = TRUE;

gst-libs/gst/gl/wayland/gstglwindow_wayland_egl.c

@@ -353,6 +353,8 @@ gst_gl_window_wayland_egl_init (GstGLWindowWaylandEGL * window)
 GstGLWindowWaylandEGL *
 gst_gl_window_wayland_egl_new (GstGLDisplay * display)
 {
+  GstGLWindowWaylandEGL *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_WAYLAND)
       == 0)
     /* we require a wayland display to create wayland surfaces */
@@ -360,7 +362,10 @@ gst_gl_window_wayland_egl_new (GstGLDisplay * display)
 
   GST_DEBUG ("creating Wayland EGL window");
 
-  return g_object_new (GST_TYPE_GL_WINDOW_WAYLAND_EGL, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_WAYLAND_EGL, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 static void

gst-libs/gst/gl/win32/gstglcontext_wgl.c

@@ -98,12 +98,17 @@ gst_gl_context_wgl_init (GstGLContextWGL * context_wgl)
 GstGLContextWGL *
 gst_gl_context_wgl_new (GstGLDisplay * display)
 {
+  GstGLContextWGL *context;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_WIN32) ==
       0)
     /* we require an win32 display handle to create WGL contexts */
     return NULL;
 
-  return g_object_new (GST_TYPE_GL_CONTEXT_WGL, NULL);
+  context = g_object_new (GST_TYPE_GL_CONTEXT_WGL, NULL);
+  gst_object_ref_sink (context);
+
+  return context;
 }
 
 static HGLRC

gst-libs/gst/gl/win32/gstglwindow_win32.c

@@ -93,12 +93,17 @@ gst_gl_window_win32_init (GstGLWindowWin32 * window)
 GstGLWindowWin32 *
 gst_gl_window_win32_new (GstGLDisplay * display)
 {
+  GstGLWindowWin32 *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_WIN32) ==
       0)
     /* we require an win32 display to create win32 windows */
     return NULL;
 
-  return g_object_new (GST_TYPE_GL_WINDOW_WIN32, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_WIN32, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 static void

gst-libs/gst/gl/x11/gstglcontext_glx.c

@@ -112,11 +112,16 @@ gst_gl_context_glx_init (GstGLContextGLX * context)
 GstGLContextGLX *
 gst_gl_context_glx_new (GstGLDisplay * display)
 {
+  GstGLContextGLX *context;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_X11) == 0)
     /* we require an x11 display handle to create GLX contexts */
     return NULL;
 
-  return g_object_new (GST_TYPE_GL_CONTEXT_GLX, NULL);
+  context = g_object_new (GST_TYPE_GL_CONTEXT_GLX, NULL);
+  gst_object_ref_sink (context);
+
+  return context;
 }
 
 static inline void

gst-libs/gst/gl/x11/gstgldisplay_x11.c

@@ -88,6 +88,7 @@ gst_gl_display_x11_new (const gchar * name)
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
+  gst_object_ref_sink (ret);
   ret->name = g_strdup (name);
   ret->display = XOpenDisplay (ret->name);
 
@@ -131,6 +132,7 @@ gst_gl_display_x11_new_with_display (Display * display)
   GST_DEBUG_CATEGORY_GET (gst_gl_display_debug, "gldisplay");
 
   ret = g_object_new (GST_TYPE_GL_DISPLAY_X11, NULL);
+  gst_object_ref_sink (ret);
 
   ret->name = g_strdup (DisplayString (display));
   ret->display = display;

gst-libs/gst/gl/x11/gstglwindow_x11.c

@@ -123,6 +123,8 @@ gst_gl_window_x11_init (GstGLWindowX11 * window)
 GstGLWindowX11 *
 gst_gl_window_x11_new (GstGLDisplay * display)
 {
+  GstGLWindowX11 *window;
+
   if ((gst_gl_display_get_handle_type (display) & GST_GL_DISPLAY_TYPE_X11)
       == GST_GL_DISPLAY_TYPE_NONE) {
     GST_INFO ("Wrong display type %u for this window type %u", display->type,
@@ -130,7 +132,10 @@ gst_gl_window_x11_new (GstGLDisplay * display)
     return NULL;
   }
 
-  return g_object_new (GST_TYPE_GL_WINDOW_X11, NULL);
+  window = g_object_new (GST_TYPE_GL_WINDOW_X11, NULL);
+  gst_object_ref_sink (window);
+
+  return window;
 }
 
 gboolean