gl/x11: check whether the display is x11 before using it
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8808>
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@ -149,9 +149,8 @@ static gboolean
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gst_gl_window_x11_open (GstGLWindow * window, GError ** error)
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{
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GstGLWindowX11 *window_x11 = GST_GL_WINDOW_X11 (window);
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GstGLDisplayX11 *display_x11 = (GstGLDisplayX11 *) window->display;
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window_x11->device = display_x11->display;
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window_x11->device = (Display *) gst_gl_display_get_handle (window->display);
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// window_x11->device = XOpenDisplay (display_x11->name);
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if (window_x11->device == NULL) {
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g_set_error (error, GST_GL_WINDOW_ERROR,
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