[gtk/matthiasc/gl-media-stream: 18/19] gtk-demo: Make the fishbowl video use GL

[Matthias Clasen <matthiasc src gnome org>]

commit 60fc31a3860dc4740021fb66f151972bfd337a15
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jan 2 09:49:05 2021 -0500

    gtk-demo: Make the fishbowl video use GL
    
    This shows the careful orchestration that is needed
    to set things up in the right order.

 demos/gtk-demo/fishbowl.c | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)
---
diff --git a/demos/gtk-demo/fishbowl.c b/demos/gtk-demo/fishbowl.c
index 659318b7cd..4c596b9e48 100644
--- a/demos/gtk-demo/fishbowl.c
+++ b/demos/gtk-demo/fishbowl.c
@@ -116,16 +116,32 @@ create_label (void)
   return w;
 }
 
-static GtkWidget *
-create_video (void)
+static void
+on_map (GtkWidget *w)
 {
-  GtkMediaStream *stream = gtk_media_file_new_for_resource ("/images/gtk-logo.webm");
-  GtkWidget *w = gtk_picture_new_for_paintable (GDK_PAINTABLE (stream));
+  GtkMediaStream *stream = gtk_media_file_new ();
+  GdkSurface *surface;
+
+  surface = gtk_native_get_surface (gtk_widget_get_native (w));
 
-  gtk_widget_set_size_request (w, 64, 64);
+  gtk_media_stream_realize (stream, surface);
   gtk_media_stream_set_loop (stream, TRUE);
+
+  gtk_media_file_set_resource (GTK_MEDIA_FILE (stream), "/images/gtk-logo.webm");
+
   gtk_media_stream_play (stream);
-  g_object_unref (stream);
+
+  gtk_picture_set_paintable (GTK_PICTURE (w), GDK_PAINTABLE (stream));
+}
+
+static GtkWidget *
+create_video (void)
+{
+  GtkWidget *w = gtk_picture_new ();
+
+  gtk_widget_set_size_request (w, 128, 128);
+
+  g_signal_connect_after (w, "map", G_CALLBACK (on_map), NULL);
 
   return w;
 }