summaryrefslogtreecommitdiff
path: root/gst-libs/gst/vaapi/gstvaapiwindow_priv.h
blob: cd0df1a46707fc90fe4b331de08232cea7d0d0e9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/*
 *  gstvaapiwindow_priv.h - VA window abstraction (private definitions)
 *
 *  Copyright (C) 2010-2011 Splitted-Desktop Systems
 *    Author: Gwenole Beauchesne <gwenole.beauchesne@splitted-desktop.com>
 *  Copyright (C) 2012-2013 Intel Corporation
 *    Author: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  as published by the Free Software Foundation; either version 2.1
 *  of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free
 *  Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301 USA
 */

#ifndef GST_VAAPI_WINDOW_PRIV_H
#define GST_VAAPI_WINDOW_PRIV_H

#include "gstvaapiobject_priv.h"
#include "gstvaapifilter.h"
#include "gstvaapisurfacepool.h"

G_BEGIN_DECLS

#define GST_VAAPI_WINDOW_CLASS(klass) \
    ((GstVaapiWindowClass *)(klass))

#define GST_VAAPI_WINDOW_GET_CLASS(obj) \
    GST_VAAPI_WINDOW_CLASS(GST_VAAPI_OBJECT_GET_CLASS(obj))

/* GstVaapiWindowClass hooks */
typedef gboolean (*GstVaapiWindowCreateFunc) (GstVaapiWindow * window,
    guint * width, guint * height);
typedef gboolean (*GstVaapiWindowShowFunc) (GstVaapiWindow * window);
typedef gboolean (*GstVaapiWindowHideFunc) (GstVaapiWindow * window);
typedef gboolean (*GstVaapiWindowGetGeometryFunc) (GstVaapiWindow * window,
    gint * px, gint * py, guint * pwidth, guint * pheight);
typedef gboolean (*GstVaapiWindowSetFullscreenFunc) (GstVaapiWindow * window,
    gboolean fullscreen);
typedef gboolean (*GstVaapiWindowResizeFunc) (GstVaapiWindow * window,
    guint width, guint height);
typedef gboolean (*GstVaapiWindowRenderFunc) (GstVaapiWindow * window,
    GstVaapiSurface * surface, const GstVaapiRectangle * src_rect,
    const GstVaapiRectangle * dst_rect, guint flags);
typedef gboolean (*GstVaapiWindowRenderPixmapFunc) (GstVaapiWindow * window,
    GstVaapiPixmap * pixmap, const GstVaapiRectangle * src_rect,
    const GstVaapiRectangle * dst_rect);
typedef guintptr (*GstVaapiWindowGetVisualIdFunc) (GstVaapiWindow * window);
typedef guintptr (*GstVaapiWindowGetColormapFunc) (GstVaapiWindow * window);
typedef gboolean (*GstVaapiWindowSetUnblockFunc) (GstVaapiWindow * window);
typedef gboolean (*GstVaapiWindowSetUnblockCancelFunc) (GstVaapiWindow * window);

/**
 * GstVaapiWindow:
 *
 * Base class for system-dependent windows.
 */
struct _GstVaapiWindow
{
  /*< private >*/
  GstVaapiObject parent_instance;

  /*< protected >*/
  guint width;
  guint height;
  guint display_width;
  guint display_height;
  guint use_foreign_window:1;
  guint is_fullscreen:1;
  guint check_geometry:1;

  /* for conversion */
  GstVaapiVideoPool *surface_pool;
  GstVaapiFilter *filter;
  gboolean has_vpp;
};

/**
 * GstVaapiWindowClass:
 * @create: virtual function to create a window with width and height
 * @show: virtual function to show (map) a window
 * @hide: virtual function to hide (unmap) a window
 * @get_geometry: virtual function to get the current window geometry
 * @set_fullscreen: virtual function to change window fullscreen state
 * @resize: virtual function to resize a window
 * @render: virtual function to render a #GstVaapiSurface into a window
 * @get_visual_id: virtual function to get the desired visual id used to
 *   create the window
 * @get_colormap: virtual function to get the desired colormap used to
 *   create the window, or the currently allocated one
 * @unblock: virtual function to unblock a rendering surface operation
 * @unblock_cancel: virtual function to cancel the previous unblock
 *   request.
 *
 * Base class for system-dependent windows.
 */
struct _GstVaapiWindowClass
{
  /*< private >*/
  GstVaapiObjectClass parent_class;

  /*< protected >*/
  GstVaapiWindowCreateFunc create;
  GstVaapiWindowShowFunc show;
  GstVaapiWindowHideFunc hide;
  GstVaapiWindowGetGeometryFunc get_geometry;
  GstVaapiWindowSetFullscreenFunc set_fullscreen;
  GstVaapiWindowResizeFunc resize;
  GstVaapiWindowRenderFunc render;
  GstVaapiWindowRenderPixmapFunc render_pixmap;
  GstVaapiWindowGetVisualIdFunc get_visual_id;
  GstVaapiWindowGetColormapFunc get_colormap;
  GstVaapiWindowSetUnblockFunc unblock;
  GstVaapiWindowSetUnblockCancelFunc unblock_cancel;
};

GstVaapiWindow *
gst_vaapi_window_new_internal (const GstVaapiWindowClass * window_class,
    GstVaapiDisplay * display, GstVaapiID handle, guint width, guint height);

GstVaapiSurface *
gst_vaapi_window_vpp_convert_internal (GstVaapiWindow * window,
    GstVaapiSurface * surface, const GstVaapiRectangle * src_rect,
    const GstVaapiRectangle * dst_rect, guint flags);

void
gst_vaapi_window_class_init (GstVaapiWindowClass * klass);

/* Inline reference counting for core libgstvaapi library */
#ifdef IN_LIBGSTVAAPI_CORE
#define gst_vaapi_window_ref_internal(window) \
    ((gpointer)gst_vaapi_object_ref(GST_VAAPI_OBJECT(window)))

#define gst_vaapi_window_unref_internal(window) \
    gst_vaapi_object_unref(GST_VAAPI_OBJECT(window))

#define gst_vaapi_window_replace_internal(old_window_ptr, new_window) \
    gst_vaapi_object_replace((GstVaapiObject **)(old_window_ptr), \
        GST_VAAPI_OBJECT(new_window))

#undef  gst_vaapi_window_ref
#define gst_vaapi_window_ref(window) \
    gst_vaapi_window_ref_internal((window))

#undef  gst_vaapi_window_unref
#define gst_vaapi_window_unref(window) \
    gst_vaapi_window_unref_internal((window))

#undef  gst_vaapi_window_replace
#define gst_vaapi_window_replace(old_window_ptr, new_window) \
    gst_vaapi_window_replace_internal((old_window_ptr), (new_window))
#endif

G_END_DECLS

#endif /* GST_VAAPI_WINDOW_PRIV_H */