[gst-devel] Gtk xoverlay problem

[sledge hammer]

Take a look at the example code here:
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstxoverlay.html

Basically you need to listen for 'prepare-xwindow-id' signal and handle it synchronoysly.
Date: Wed, 29 Apr 2009 11:14:57 +0200
From: guitarboy000 at gmail.com
To: gstreamer-devel at lists.sourceforge.net
Subject: [gst-devel] Gtk xoverlay problem

Hi,

I'm developing an application, it's called Gloobus and it wants to be a very fast previewer for any kind of file, you can see some screenhots and download it from here:

http://gloobus.launchpad.net


Now, I can reproduce audio files with gstreamer without any problem, but when I try to do it for movies, they play in his own window.
I've been trying a lot of thing with the xoverlay function that its supposed to be the one to make the video play in a gtk widget but I get an error


If I add the gtk_drawing_area into the GTK_FIXED before I call the xoverlay function, I get a BAD WINDOW error and the application stops.
If I add the gtk_drawing_area into the GTK_FIXED after I call the xoverlay function, I get that the gtk drawin has no window or pixmap and it plays in its own window.


Here you have the code, I hope you can see what fails here:

container is a gtk_fixed added into the main window!




void iMovie::play(GtkWidget * container)
{

         m_drawable = gtk_drawing_area_new();

         gtk_widget_set_size_request (m_drawable, 600, 500);
         gtk_fixed_put(GTK_FIXED(container),m_drawable,SHADOW_WIDTH,SHADOW_WIDTH+HEADER_HEIGHT);
                   
         g_print("Start Playing (%s)...\n",g_file_get_uri ( m_gfile));


         gst_init (NULL, NULL);

         m_pipeline         = gst_pipeline_new             ("gst-player");
         m_bin               = gst_element_factory_make ("playbin",       "m_bin");

         m_sink          = gst_element_factory_make ("xvimagesink",  "m_sink");
         g_object_set ( G_OBJECT (m_bin), "video-sink", m_sink, NULL );
         gst_bin_add  ( GST_BIN (m_pipeline), m_bin );



         {
                  GstBus *bus;
                  bus = gst_pipeline_get_bus (GST_PIPELINE (m_pipeline));
                  gst_object_unref (bus);
         }

         
         g_object_set (G_OBJECT (m_bin), "uri", g_file_get_uri( m_gfile), NULL );

         g_object_set (G_OBJECT (m_sink), "force-aspect-ratio", TRUE, NULL  );
         
    
             
         if (GST_IS_X_OVERLAY (m_sink))
            {
                  printf("Is Overlay (Win ID: %i)!!\n",GPOINTER_TO_INT(GDK_WINDOW_XWINDOW(m_drawable->window)));


                  gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (m_sink), GPOINTER_TO_INT(GDK_WINDOW_XWINDOW(m_drawable->window)));
                  gst_x_overlay_handle_events  (GST_X_OVERLAY (m_sink), FALSE);

            }
 
         gst_element_set_state (m_pipeline, GST_STATE_PLAYING);
          
         gtk_widget_show_all(container); 
}
-- 
Jordi Hernández Puigdellívol

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