static unsigned long get_native_handle(GdkWindow *gdkw) {
#ifdef GDK_WINDOWING_X11
return (unsigned long)GDK_WINDOW_XID(gdkw);
#elif defined(WIN32)
return (unsigned long)GDK_WINDOW_HWND(gdkw);
#elif defined(__APPLE__)
return (unsigned long)gdk_quartz_window_get_nsview(gdkw);
#endif
g_warning("No way to get the native handle from gdk window");
return 0;
}
guintptr
gst_get_window_handle(GdkWindow *window)
{
guintptr window_handle;
/* Retrieve window handler from GDK */
#if defined (GDK_WINDOWING_WIN32)
window_handle = (guintptr)GDK_WINDOW_HWND (window);
#elif defined (GDK_WINDOWING_QUARTZ)
window_handle = gdk_quartz_window_get_nsview (window);
#elif defined (GDK_WINDOWING_X11)
window_handle = GDK_WINDOW_XID (window);
#endif
return window_handle;
}
/* This function is called when the GUI toolkit creates the physical window that will hold the video.
* At this point we can retrieve its handler (which has a different meaning depending on the windowing system)
* and pass it to GStreamer through the XOverlay interface. */
static void realize_cb (GtkWidget *widget, CustomData *data) {
GdkWindow *window = gtk_widget_get_window (widget);
guintptr window_handle;
if (!gdk_window_ensure_native (window))
g_error ("Couldn't create native window needed for GstXOverlay!");
/* Retrieve window handler from GDK */
#if defined (GDK_WINDOWING_WIN32)
window_handle = (guintptr)GDK_WINDOW_HWND (window);
#elif defined (GDK_WINDOWING_QUARTZ)
window_handle = gdk_quartz_window_get_nsview (window);
#elif defined (GDK_WINDOWING_X11)
window_handle = GDK_WINDOW_XID (window);
#endif
/* Pass it to playbin, which implements XOverlay and will forward it to the video sink */
gst_video_overlay_set_window_handle (GST_VIDEO_OVERLAY (data->playbin), window_handle);
}
void GTKVideo::realize_cb(GtkWidget *widget, void *user_data) {
GTKVideo *context = static_cast<GTKVideo *>(user_data);
GdkWindow *window = gtk_widget_get_window(widget);
if (!gdk_window_ensure_native(window))
g_debug("Couldn't create native window needed for GstXOverlay!");
gdk_threads_enter();
gdk_display_sync(context->display_);
// gdk_error_trap_pop ();
/* Retrieve window handler from GDK */
#if defined(GDK_WINDOWING_WIN32)
context->window_handle_ = reinterpret_cast<guintptr>(GDK_WINDOW_HWND(window));
#elif defined(GDK_WINDOWING_QUARTZ)
context->window_handle_ = gdk_quartz_window_get_nsview(window);
#elif defined(GDK_WINDOWING_X11)
context->window_handle_ = GDK_WINDOW_XID(window);
#endif
gdk_threads_leave();
std::unique_lock<std::mutex> lock(context->wait_window_mutex_);
context->wait_window_cond_.notify_all();
}
