gst-libs/gst/vaapi/gstvaapiwindow.h

   1 /*
   2  *  gstvaapiwindow.h - VA window abstraction
   3  *
   4  *  gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program 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
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
  19  */
  20
  21 #ifndef GST_VAAPI_WINDOW_H
  22 #define GST_VAAPI_WINDOW_H
  23
  24 #include <gst/video/gstvideosink.h>
  25 #include <gst/vaapi/gstvaapidisplay.h>
  26 #include <gst/vaapi/gstvaapisurface.h>
  27
  28 G_BEGIN_DECLS
  29
  30 #define GST_VAAPI_TYPE_WINDOW \
  31     (gst_vaapi_window_get_type())
  32
  33 #define GST_VAAPI_WINDOW(obj)                           \
  34     (G_TYPE_CHECK_INSTANCE_CAST((obj),                  \
  35                                 GST_VAAPI_TYPE_WINDOW,  \
  36                                 GstVaapiWindow))
  37
  38 #define GST_VAAPI_WINDOW_CLASS(klass)                   \
  39     (G_TYPE_CHECK_CLASS_CAST((klass),                   \
  40                              GST_VAAPI_TYPE_WINDOW,     \
  41                              GstVaapiWindowClass))
  42
  43 #define GST_VAAPI_IS_WINDOW(obj) \
  44     (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_WINDOW))
  45
  46 #define GST_VAAPI_IS_WINDOW_CLASS(klass) \
  47     (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_WINDOW))
  48
  49 #define GST_VAAPI_WINDOW_GET_CLASS(obj)                 \
  50     (G_TYPE_INSTANCE_GET_CLASS((obj),                   \
  51                                GST_VAAPI_TYPE_WINDOW,   \
  52                                GstVaapiWindowClass))
  53
  54 typedef struct _GstVaapiWindow                  GstVaapiWindow;
  55 typedef struct _GstVaapiWindowPrivate           GstVaapiWindowPrivate;
  56 typedef struct _GstVaapiWindowClass             GstVaapiWindowClass;
  57
  58 /**
  59  * GstVaapiWindow:
  60  *
  61  * Base class for system-dependent windows.
  62  */
  63 struct _GstVaapiWindow {
  64     /*< private >*/
  65     GObject parent_instance;
  66
  67     GstVaapiWindowPrivate *priv;
  68 };
  69
  70 /**
  71  * GstVaapiWindowClass:
  72  * @create: virtual function to create a window with width and height
  73  * @destroy: virtual function to destroy a window
  74  * @show: virtual function to show (map) a window
  75  * @hide: virtual function to hide (unmap) a window
  76  * @set_fullscreen: virtual function to change window fullscreen state
  77  * @resize: virtual function to resize a window
  78  * @render: virtual function to render a #GstVaapiSurface into a window
  79  *
  80  * Base class for system-dependent windows.
  81  */
  82 struct _GstVaapiWindowClass {
  83     /*< private >*/
  84     GObjectClass parent_class;
  85
  86     /*< public >*/
  87     gboolean    (*create) (GstVaapiWindow *window, guint *width, guint *height);
  88     void        (*destroy)(GstVaapiWindow *window);
  89     gboolean    (*show)   (GstVaapiWindow *window);
  90     gboolean    (*hide)   (GstVaapiWindow *window);
  91     gboolean    (*set_fullscreen)(GstVaapiWindow *window, gboolean fullscreen);
  92     gboolean    (*resize) (GstVaapiWindow *window, guint width, guint height);
  93     gboolean    (*render) (GstVaapiWindow *window,
  94                            GstVaapiSurface *surface,
  95                            const GstVideoRectangle *src_rect,
  96                            const GstVideoRectangle *dst_rect,
  97                            guint flags);
  98 };
  99
 100 GType
 101 gst_vaapi_window_get_type(void);
 102
 103 void
 104 gst_vaapi_window_show(GstVaapiWindow *window);
 105
 106 void
 107 gst_vaapi_window_hide(GstVaapiWindow *window);
 108
 109 void
 110 gst_vaapi_window_set_fullscreen(GstVaapiWindow *window, gboolean fullscreen);
 111
 112 guint
 113 gst_vaapi_window_get_width(GstVaapiWindow *window);
 114
 115 guint
 116 gst_vaapi_window_get_height(GstVaapiWindow *window);
 117
 118 void
 119 gst_vaapi_window_get_size(GstVaapiWindow *window, guint *pwidth, guint *pheight);
 120
 121 void
 122 gst_vaapi_window_set_width(GstVaapiWindow *window, guint width);
 123
 124 void
 125 gst_vaapi_window_set_height(GstVaapiWindow *window, guint height);
 126
 127 void
 128 gst_vaapi_window_set_size(GstVaapiWindow *window, guint width, guint height);
 129
 130 gboolean
 131 gst_vaapi_window_put_surface(
 132     GstVaapiWindow          *window,
 133     GstVaapiSurface         *surface,
 134     const GstVideoRectangle *src_rect,
 135     const GstVideoRectangle *dst_rect,
 136     guint                    flags
 137 );
 138
 139 G_END_DECLS
 140
 141 #endif /* GST_VAAPI_WINDOW_H */