1 /* GStreamer X-based Overlay

     2  * Copyright (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>

     3  * Copyright (C) 2003 Julien Moutte <julien@moutte.net>

     4  *

     5  * x-overlay.h: X-based overlay interface design

     6  *

     7  * This library is free software; you can redistribute it and/or

     8  * modify it under the terms of the GNU Library General Public

     9  * License as published by the Free Software Foundation; either

    10  * version 2 of the License, or (at your option) any later version.

    11  *

    12  * This library is distributed in the hope that it will be useful,

    13  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    15  * Library General Public License for more details.

    16  *

    17  * You should have received a copy of the GNU Library General Public

    18  * License along with this library; if not, write to the

    19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    20  * Boston, MA 02111-1307, USA.

    21  */

    22 

    23 #ifndef __GST_X_OVERLAY_H__

    24 #define __GST_X_OVERLAY_H__

    25 

    26 #include <gst/gst.h>

    27 

    28 G_BEGIN_DECLS

    29 

    30 #define GST_TYPE_X_OVERLAY \

    31   (gst_x_overlay_get_type ())

    32 #define GST_X_OVERLAY(obj) \

    33   (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_X_OVERLAY, \

    34                                                  GstXOverlay))

    35 #define GST_X_OVERLAY_CLASS(klass) \

    36   (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_X_OVERLAY, GstXOverlayClass))

    37 #define GST_IS_X_OVERLAY(obj) \

    38   (GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_X_OVERLAY))

    39 #define GST_IS_X_OVERLAY_CLASS(klass) \

    40   (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_X_OVERLAY))

    41 #define GST_X_OVERLAY_GET_CLASS(inst) \

    42   (G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_X_OVERLAY, GstXOverlayClass))

    43 

    44 typedef struct _GstXOverlay GstXOverlay;

    45 

    46 typedef struct _GstXOverlayClass {

    47   GTypeInterface klass;

    48 

    49   /* virtual functions */

    50   void (* set_xwindow_id) (GstXOverlay *overlay,

    51                            gulong       xwindow_id);

    52 

    53   void (* expose)         (GstXOverlay *overlay);

    54   

    55   void (* handle_events)  (GstXOverlay *overlay,

    56                            gboolean     handle_events);  

    57 

    58   /*< private >*/

    59   gpointer                 _gst_reserved[GST_PADDING - 1];

    60 } GstXOverlayClass;

    61 #ifdef __SYMBIAN32__

    62 IMPORT_C

    63 #endif

    64 

    65 

    66 GType   gst_x_overlay_get_type          (void);

    67 

    68 /* virtual class function wrappers */

    69 #ifdef __SYMBIAN32__

    70 IMPORT_C

    71 #endif

    72 

    73 void gst_x_overlay_set_xwindow_id     (GstXOverlay *overlay, gulong xwindow_id);

    74 #ifdef __SYMBIAN32__

    75 IMPORT_C

    76 #endif

    77 

    78 

    79 void gst_x_overlay_expose             (GstXOverlay *overlay);

    80 #ifdef __SYMBIAN32__

    81 IMPORT_C

    82 #endif

    83 

    84 

    85 void gst_x_overlay_handle_events      (GstXOverlay *overlay,

    86                                        gboolean     handle_events);

    87 

    88 /* public methods to dispatch bus messages */

    89 #ifdef __SYMBIAN32__

    90 IMPORT_C

    91 #endif

    92 

    93 void gst_x_overlay_got_xwindow_id     (GstXOverlay *overlay, gulong xwindow_id);

    94 #ifdef __SYMBIAN32__

    95 IMPORT_C

    96 #endif

    97 

    98 

    99 void gst_x_overlay_prepare_xwindow_id (GstXOverlay *overlay);

   100 

   101 G_END_DECLS

   102 

   103 #endif /* __GST_X_OVERLAY_H__ */