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
24 #ifdef GST_VAAPI_USE_OLD_VAAPI_0_29
31 #include <gst/vaapi/gstvaapiimageformat.h>
35 #define GST_VAAPI_TYPE_DISPLAY \
36 (gst_vaapi_display_get_type())
38 #define GST_VAAPI_DISPLAY(obj) \
39 (G_TYPE_CHECK_INSTANCE_CAST((obj), \
40 GST_VAAPI_TYPE_DISPLAY, \
43 #define GST_VAAPI_DISPLAY_CLASS(klass) \
44 (G_TYPE_CHECK_CLASS_CAST((klass), \
45 GST_VAAPI_TYPE_DISPLAY, \
46 GstVaapiDisplayClass))
48 #define GST_VAAPI_IS_DISPLAY(obj) \
49 (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_DISPLAY))
51 #define GST_VAAPI_IS_DISPLAY_CLASS(klass) \
52 (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_DISPLAY))
54 #define GST_VAAPI_DISPLAY_GET_CLASS(obj) \
55 (G_TYPE_INSTANCE_GET_CLASS((obj), \
56 GST_VAAPI_TYPE_DISPLAY, \
57 GstVaapiDisplayClass))
60 * GST_VAAPI_DISPLAY_VADISPLAY:
61 * @display: a #GstVaapiDisplay
63 * Macro that evaluates to the #VADisplay bound to @display
65 #define GST_VAAPI_DISPLAY_VADISPLAY(display) \
66 gst_vaapi_display_get_display(display)
69 * GST_VAAPI_DISPLAY_LOCK:
70 * @display: a #GstVaapiDisplay
74 #define GST_VAAPI_DISPLAY_LOCK(display) \
75 gst_vaapi_display_lock(display)
78 * GST_VAAPI_DISPLAY_UNLOCK:
79 * @display: a #GstVaapiDisplay
83 #define GST_VAAPI_DISPLAY_UNLOCK(display) \
84 gst_vaapi_display_unlock(display)
86 typedef struct _GstVaapiDisplay GstVaapiDisplay;
87 typedef struct _GstVaapiDisplayPrivate GstVaapiDisplayPrivate;
88 typedef struct _GstVaapiDisplayClass GstVaapiDisplayClass;
93 * Base class for VA displays.
95 struct _GstVaapiDisplay {
97 GObject parent_instance;
99 GstVaapiDisplayPrivate *priv;
103 * GstVaapiDisplayClass:
104 * @open_display: virtual function to open a display
105 * @close_display: virtual function to close a display
106 * @lock: virtual function to lock a display
107 * @unlock: virtual function to unlock a display
108 * @get_display: virtual function to retrieve the #VADisplay
109 * @get_size: virtual function to retrieve the display dimensions, in pixels
110 * @get_size_mm: virtual function to retrieve the display dimensions, in millimeters
112 * Base class for VA displays.
114 struct _GstVaapiDisplayClass {
116 GObjectClass parent_class;
119 gboolean (*open_display) (GstVaapiDisplay *display);
120 void (*close_display) (GstVaapiDisplay *display);
121 void (*lock) (GstVaapiDisplay *display);
122 void (*unlock) (GstVaapiDisplay *display);
123 VADisplay (*get_display) (GstVaapiDisplay *display);
124 void (*get_size) (GstVaapiDisplay *display,
125 guint *pwidth, guint *pheight);
126 void (*get_size_mm) (GstVaapiDisplay *display,
127 guint *pwidth, guint *pheight);
131 gst_vaapi_display_get_type(void);
134 gst_vaapi_display_new_with_display(VADisplay va_display);
137 gst_vaapi_display_lock(GstVaapiDisplay *display);
140 gst_vaapi_display_unlock(GstVaapiDisplay *display);
143 gst_vaapi_display_get_display(GstVaapiDisplay *display);
146 gst_vaapi_display_get_width(GstVaapiDisplay *display);
149 gst_vaapi_display_get_height(GstVaapiDisplay *display);
152 gst_vaapi_display_get_size(GstVaapiDisplay *display, guint *pwidth, guint *pheight);
155 gst_vaapi_display_get_pixel_aspect_ratio(
156 GstVaapiDisplay *display,
162 gst_vaapi_display_has_profile(GstVaapiDisplay *display, VAProfile profile);
165 gst_vaapi_display_get_image_caps(GstVaapiDisplay *display);
168 gst_vaapi_display_has_image_format(
169 GstVaapiDisplay *display,
170 GstVaapiImageFormat format
174 gst_vaapi_display_get_subpicture_caps(GstVaapiDisplay *display);
177 gst_vaapi_display_has_subpicture_format(
178 GstVaapiDisplay *display,
179 GstVaapiImageFormat format
184 #endif /* GST_VAAPI_DISPLAY_H */