gstreamer/tests/examples/gl/gtk/gstgtk.c

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/*
* GStreamer
* Copyright (C) 2009 David A. Schleef <ds@schleef.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
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#include <gst/gl/gl.h>
#include "gstgtk.h"
#if GST_GL_HAVE_WINDOW_WIN32 && defined(GDK_WINDOWING_WIN32)
#include <gdk/gdkwin32.h>
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#endif
#if GST_GL_HAVE_WINDOW_X11 && defined(GDK_WINDOWING_X11)
#include <gdk/gdkx.h>
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#endif
#if GST_GL_HAVE_WINDOW_WAYLAND && defined(GDK_WINDOWING_WAYLAND)
#include <gdk/gdkwayland.h>
#endif
#if GST_GL_HAVE_WINDOW_COCOA && defined(GDK_WINDOWING_QUARTZ)
#include <gdk/gdkquartz.h>
#endif
gboolean
gst_gtk_handle_need_context (GstBus * bus, GstMessage * msg, gpointer data)
{
gboolean ret = FALSE;
switch (GST_MESSAGE_TYPE (msg)) {
case GST_MESSAGE_NEED_CONTEXT:
{
const gchar *context_type;
gst_message_parse_context_type (msg, &context_type);
g_print ("got need context %s\n", context_type);
if (g_strcmp0 (context_type, "GstWaylandDisplayHandleContextType") == 0) {
#if GST_GL_HAVE_WINDOW_WAYLAND && defined(GDK_WINDOWING_WAYLAND)
GstContext *context = NULL;
GdkDisplay *gdk_display = gdk_display_get_default ();
if (GDK_IS_WAYLAND_DISPLAY (gdk_display)) {
struct wl_display *wayland_display =
gdk_wayland_display_get_wl_display (gdk_display);
if (wayland_display) {
GstStructure *s;
context =
gst_context_new ("GstWaylandDisplayHandleContextType", TRUE);
s = gst_context_writable_structure (context);
gst_structure_set (s, "display", G_TYPE_POINTER, wayland_display,
NULL);
gst_element_set_context (GST_ELEMENT (msg->src), context);
ret = TRUE;
}
}
#else
GST_ERROR
("Asked for wayland display context, but compiled without wayland support");
#endif
}
}
default:
break;
}
return ret;
}
void
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gst_video_overlay_set_gtk_window (GstVideoOverlay * videooverlay,
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GtkWidget * widget)
{
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GdkWindow *window;
GdkDisplay *display;
const gchar *user_choice = g_getenv ("GST_GL_WINDOW");
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window = gtk_widget_get_window (widget);
display = gdk_window_get_display (window);
#if GST_GL_HAVE_WINDOW_WIN32 && defined(GDK_WINDOWING_WIN32)
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if (GDK_IS_WIN32_DISPLAY (display) && (!user_choice
|| g_strcmp0 (user_choice, "win32") == 0)) {
gst_video_overlay_set_window_handle (videooverlay,
(guintptr) GDK_WINDOW_HWND (window));
} else
#endif
#if GST_GL_HAVE_WINDOW_COCOA && defined(GDK_WINDOWING_QUARTZ)
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if (GDK_IS_QUARTZ_DISPLAY (display) && (!user_choice
|| g_strcmp0 (user_choice, "cocoa") == 0)) {
gst_video_overlay_set_window_handle (videooverlay, (guintptr)
gdk_quartz_window_get_nswindow (window));
} else
#endif
#if GST_GL_HAVE_WINDOW_X11 && defined(GDK_WINDOWING_X11)
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if (GDK_IS_X11_DISPLAY (display) && (!user_choice
|| g_strcmp0 (user_choice, "x11") == 0)) {
gst_video_overlay_set_window_handle (videooverlay, GDK_WINDOW_XID (window));
} else
#endif
#if GST_GL_HAVE_WINDOW_WAYLAND && defined(GDK_WINDOWING_WAYLAND)
if (GDK_IS_WAYLAND_DISPLAY (display) && (!user_choice
|| g_strcmp0 (user_choice, "wayland") == 0)) {
gst_video_overlay_set_window_handle (videooverlay,
(guintptr) gdk_wayland_window_get_wl_surface (window));
} else
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#endif
g_error ("Unsupported Gtk+ backend");
}