gstreamer/gst-libs/gst/interfaces/xoverlay.h

94 lines
3.1 KiB
C

/* GStreamer X-based Overlay
* Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
* Copyright (C) 2003 Julien Moutte <julien@moutte.net>
*
* x-overlay.h: X-based overlay interface design
*
* 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
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_X_OVERLAY_H__
#define __GST_X_OVERLAY_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_X_OVERLAY \
(gst_x_overlay_get_type ())
#define GST_X_OVERLAY(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_X_OVERLAY, \
GstXOverlay))
#define GST_X_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_X_OVERLAY, GstXOverlayClass))
#define GST_IS_X_OVERLAY(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_X_OVERLAY))
#define GST_IS_X_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_X_OVERLAY))
#define GST_X_OVERLAY_GET_CLASS(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_X_OVERLAY, GstXOverlayClass))
/**
* GstXOverlay:
*
* Opaque #GstXOverlay data structure.
*/
typedef struct _GstXOverlay GstXOverlay;
typedef struct _GstXOverlayClass GstXOverlayClass;
/**
* GstXOverlayClass:
* @klass: parent interface type.
* @set_xwindow_id: virtual method to configure the XWindow id
* @expose: virtual method to handle expose events
* @handle_events: virtual method to handle events
*
* #GstXOverlay interface
*/
struct _GstXOverlayClass {
GTypeInterface klass;
/* virtual functions */
void (* set_xwindow_id) (GstXOverlay *overlay,
gulong xwindow_id);
void (* expose) (GstXOverlay *overlay);
void (* handle_events) (GstXOverlay *overlay,
gboolean handle_events);
/*< private >*/
gpointer _gst_reserved[GST_PADDING - 1];
};
GType gst_x_overlay_get_type (void);
/* virtual class function wrappers */
void gst_x_overlay_set_xwindow_id (GstXOverlay *overlay, gulong xwindow_id);
void gst_x_overlay_expose (GstXOverlay *overlay);
void gst_x_overlay_handle_events (GstXOverlay *overlay,
gboolean handle_events);
/* public methods to dispatch bus messages */
void gst_x_overlay_got_xwindow_id (GstXOverlay *overlay, gulong xwindow_id);
void gst_x_overlay_prepare_xwindow_id (GstXOverlay *overlay);
G_END_DECLS
#endif /* __GST_X_OVERLAY_H__ */