gst-libs/gst/vaapi/gstvaapiwindow.h

   1 /*
   2  *  gstvaapiwindow.h - VA window abstraction
   3  *
   4  *  Copyright (C) 2010-2011 Splitted-Desktop Systems
   5  *
   6  *  This library is free software; you can redistribute it and/or
   7  *  modify it under the terms of the GNU Lesser General Public License
   8  *  as published by the Free Software Foundation; either version 2.1
   9  *  of the License, or (at your option) any later version.
  10  *
  11  *  This library is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this library; if not, write to the Free
  18  *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  *  Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef GST_VAAPI_WINDOW_H
  23 #define GST_VAAPI_WINDOW_H
  24
  25 #include <gst/video/gstvideosink.h>
  26 #include <gst/vaapi/gstvaapitypes.h>
  27 #include <gst/vaapi/gstvaapiobject.h>
  28 #include <gst/vaapi/gstvaapidisplay.h>
  29 #include <gst/vaapi/gstvaapisurface.h>
  30
  31 G_BEGIN_DECLS
  32
  33 #define GST_VAAPI_TYPE_WINDOW \
  34     (gst_vaapi_window_get_type())
  35
  36 #define GST_VAAPI_WINDOW(obj)                           \
  37     (G_TYPE_CHECK_INSTANCE_CAST((obj),                  \
  38                                 GST_VAAPI_TYPE_WINDOW,  \
  39                                 GstVaapiWindow))
  40
  41 #define GST_VAAPI_WINDOW_CLASS(klass)                   \
  42     (G_TYPE_CHECK_CLASS_CAST((klass),                   \
  43                              GST_VAAPI_TYPE_WINDOW,     \
  44                              GstVaapiWindowClass))
  45
  46 #define GST_VAAPI_IS_WINDOW(obj) \
  47     (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_WINDOW))
  48
  49 #define GST_VAAPI_IS_WINDOW_CLASS(klass) \
  50     (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_WINDOW))
  51
  52 #define GST_VAAPI_WINDOW_GET_CLASS(obj)                 \
  53     (G_TYPE_INSTANCE_GET_CLASS((obj),                   \
  54                                GST_VAAPI_TYPE_WINDOW,   \
  55                                GstVaapiWindowClass))
  56
  57 typedef struct _GstVaapiWindow                  GstVaapiWindow;
  58 typedef struct _GstVaapiWindowPrivate           GstVaapiWindowPrivate;
  59 typedef struct _GstVaapiWindowClass             GstVaapiWindowClass;
  60
  61 /**
  62  * GstVaapiWindow:
  63  *
  64  * Base class for system-dependent windows.
  65  */
  66 struct _GstVaapiWindow {
  67     /*< private >*/
  68     GstVaapiObject parent_instance;
  69
  70     GstVaapiWindowPrivate *priv;
  71 };
  72
  73 /**
  74  * GstVaapiWindowClass:
  75  * @create: virtual function to create a window with width and height
  76  * @destroy: virtual function to destroy a window
  77  * @show: virtual function to show (map) a window
  78  * @hide: virtual function to hide (unmap) a window
  79  * @set_fullscreen: virtual function to change window fullscreen state
  80  * @resize: virtual function to resize a window
  81  * @render: virtual function to render a #GstVaapiSurface into a window
  82  *
  83  * Base class for system-dependent windows.
  84  */
  85 struct _GstVaapiWindowClass {
  86     /*< private >*/
  87     GstVaapiObjectClass parent_class;
  88
  89     /*< public >*/
  90     gboolean    (*create) (GstVaapiWindow *window, guint *width, guint *height);
  91     void        (*destroy)(GstVaapiWindow *window);
  92     gboolean    (*show)   (GstVaapiWindow *window);
  93     gboolean    (*hide)   (GstVaapiWindow *window);
  94     gboolean    (*get_geometry)  (GstVaapiWindow *window,
  95                                   gint *px, gint *py,
  96                                   guint *pwidth, guint *pheight);
  97     gboolean    (*set_fullscreen)(GstVaapiWindow *window, gboolean fullscreen);
  98     gboolean    (*resize) (GstVaapiWindow *window, guint width, guint height);
  99     gboolean    (*render) (GstVaapiWindow *window,
 100                            GstVaapiSurface *surface,
 101                            const GstVaapiRectangle *src_rect,
 102                            const GstVaapiRectangle *dst_rect,
 103                            guint flags);
 104 };
 105
 106 GType
 107 gst_vaapi_window_get_type(void) G_GNUC_CONST;
 108
 109 GstVaapiDisplay *
 110 gst_vaapi_window_get_display(GstVaapiWindow *window);
 111
 112 void
 113 gst_vaapi_window_show(GstVaapiWindow *window);
 114
 115 void
 116 gst_vaapi_window_hide(GstVaapiWindow *window);
 117
 118 gboolean
 119 gst_vaapi_window_get_fullscreen(GstVaapiWindow *window);
 120
 121 void
 122 gst_vaapi_window_set_fullscreen(GstVaapiWindow *window, gboolean fullscreen);
 123
 124 guint
 125 gst_vaapi_window_get_width(GstVaapiWindow *window);
 126
 127 guint
 128 gst_vaapi_window_get_height(GstVaapiWindow *window);
 129
 130 void
 131 gst_vaapi_window_get_size(GstVaapiWindow *window, guint *pwidth, guint *pheight);
 132
 133 void
 134 gst_vaapi_window_set_width(GstVaapiWindow *window, guint width);
 135
 136 void
 137 gst_vaapi_window_set_height(GstVaapiWindow *window, guint height);
 138
 139 void
 140 gst_vaapi_window_set_size(GstVaapiWindow *window, guint width, guint height);
 141
 142 gboolean
 143 gst_vaapi_window_put_surface(
 144     GstVaapiWindow          *window,
 145     GstVaapiSurface         *surface,
 146     const GstVaapiRectangle *src_rect,
 147     const GstVaapiRectangle *dst_rect,
 148     guint                    flags
 149 );
 150
 151 G_END_DECLS
 152
 153 #endif /* GST_VAAPI_WINDOW_H */