2 * gstvaapidisplay.h - VA display abstraction
4 * gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
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.
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.
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
21 #ifndef GST_VAAPI_DISPLAY_H
22 #define GST_VAAPI_DISPLAY_H
26 #include <gst/vaapi/gstvaapiimageformat.h>
30 #define GST_VAAPI_TYPE_DISPLAY \
31 (gst_vaapi_display_get_type())
33 #define GST_VAAPI_DISPLAY(obj) \
34 (G_TYPE_CHECK_INSTANCE_CAST((obj), \
35 GST_VAAPI_TYPE_DISPLAY, \
38 #define GST_VAAPI_DISPLAY_CLASS(klass) \
39 (G_TYPE_CHECK_CLASS_CAST((klass), \
40 GST_VAAPI_TYPE_DISPLAY, \
41 GstVaapiDisplayClass))
43 #define GST_VAAPI_IS_DISPLAY(obj) \
44 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DISPLAY))
46 #define GST_VAAPI_IS_DISPLAY_CLASS(klass) \
47 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DISPLAY))
49 #define GST_VAAPI_DISPLAY_GET_CLASS(obj) \
50 (G_TYPE_INSTANCE_GET_CLASS((obj), \
51 GST_VAAPI_TYPE_DISPLAY, \
52 GstVaapiDisplayClass))
55 * GST_VAAPI_DISPLAY_VADISPLAY:
56 * @display: a #GstVaapiDisplay
58 * Macro that evaluates to the #VADisplay bound to @display
60 #define GST_VAAPI_DISPLAY_VADISPLAY(display) \
61 gst_vaapi_display_get_display(display)
64 * GST_VAAPI_DISPLAY_LOCK:
65 * @display: a #GstVaapiDisplay
69 #define GST_VAAPI_DISPLAY_LOCK(display) \
70 gst_vaapi_display_lock(display)
73 * GST_VAAPI_DISPLAY_UNLOCK:
74 * @display: a #GstVaapiDisplay
78 #define GST_VAAPI_DISPLAY_UNLOCK(display) \
79 gst_vaapi_display_unlock(display)
81 typedef struct _GstVaapiDisplay GstVaapiDisplay;
82 typedef struct _GstVaapiDisplayPrivate GstVaapiDisplayPrivate;
83 typedef struct _GstVaapiDisplayClass GstVaapiDisplayClass;
88 * Base class for VA displays.
90 struct _GstVaapiDisplay {
92 GObject parent_instance;
94 GstVaapiDisplayPrivate *priv;
98 * GstVaapiDisplayClass:
99 * @open_display: virtual function to open a display
100 * @close_display: virtual function to close a display
101 * @lock_display: virtual function to lock a display
102 * @unlock_display: virtual function to unlock a display
103 * @get_display: virtual function to retrieve the #VADisplay
104 * @get_size: virtual function to retrieve the display dimensions
106 * Base class for VA displays.
108 struct _GstVaapiDisplayClass {
110 GObjectClass parent_class;
113 gboolean (*open_display) (GstVaapiDisplay *display);
114 void (*close_display) (GstVaapiDisplay *display);
115 void (*lock_display) (GstVaapiDisplay *display);
116 void (*unlock_display)(GstVaapiDisplay *display);
117 VADisplay (*get_display) (GstVaapiDisplay *display);
118 void (*get_size) (GstVaapiDisplay *display, guint *pw, guint *ph);
122 gst_vaapi_display_get_type(void);
125 gst_vaapi_display_new_with_display(VADisplay va_display);
128 gst_vaapi_display_lock(GstVaapiDisplay *display);
131 gst_vaapi_display_unlock(GstVaapiDisplay *display);
134 gst_vaapi_display_get_display(GstVaapiDisplay *display);
137 gst_vaapi_display_get_width(GstVaapiDisplay *display);
140 gst_vaapi_display_get_height(GstVaapiDisplay *display);
143 gst_vaapi_display_get_size(GstVaapiDisplay *display, guint *pwidth, guint *pheight);
146 gst_vaapi_display_has_profile(GstVaapiDisplay *display, VAProfile profile);
149 gst_vaapi_display_get_image_caps(GstVaapiDisplay *display);
152 gst_vaapi_display_has_image_format(
153 GstVaapiDisplay *display,
154 GstVaapiImageFormat format
158 gst_vaapi_display_get_subpicture_caps(GstVaapiDisplay *display);
161 gst_vaapi_display_has_subpicture_format(
162 GstVaapiDisplay *display,
163 GstVaapiImageFormat format
168 #endif /* GST_VAAPI_DISPLAY_H */