summaryrefslogtreecommitdiff
path: root/gst-libs/gst/vaapi/gstvaapicontext.h
blob: 1187c400d13786cfae3d5e2db5ab0acb3ae47a31 (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
/*
 *  gstvaapicontext.h - VA context abstraction
 *
 *  Copyright (C) 2010-2011 Splitted-Desktop Systems
 *  Copyright (C) 2011 Intel Corporation
 *
 *  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_CONTEXT_H
#define GST_VAAPI_CONTEXT_H

#include <gst/vaapi/gstvaapiobject.h>
#include <gst/vaapi/gstvaapiprofile.h>
#include <gst/vaapi/gstvaapidisplay.h>
#include <gst/vaapi/gstvaapisurface.h>
#include <gst/video/video-overlay-composition.h>

G_BEGIN_DECLS

#define GST_VAAPI_TYPE_CONTEXT \
    (gst_vaapi_context_get_type())

#define GST_VAAPI_CONTEXT(obj)                          \
    (G_TYPE_CHECK_INSTANCE_CAST((obj),                  \
                                GST_VAAPI_TYPE_CONTEXT, \
                                GstVaapiContext))

#define GST_VAAPI_CONTEXT_CLASS(klass)                  \
    (G_TYPE_CHECK_CLASS_CAST((klass),                   \
                             GST_VAAPI_TYPE_CONTEXT,    \
                             GstVaapiContextClass))

#define GST_VAAPI_IS_CONTEXT(obj) \
    (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_VAAPI_TYPE_CONTEXT))

#define GST_VAAPI_IS_CONTEXT_CLASS(klass) \
    (G_TYPE_CHECK_CLASS_TYPE((klass), GST_VAAPI_TYPE_CONTEXT))

#define GST_VAAPI_CONTEXT_GET_CLASS(obj)                \
    (G_TYPE_INSTANCE_GET_CLASS((obj),                   \
                               GST_VAAPI_TYPE_CONTEXT,  \
                               GstVaapiContextClass))

typedef struct _GstVaapiContext                 GstVaapiContext;
typedef struct _GstVaapiContextPrivate          GstVaapiContextPrivate;
typedef struct _GstVaapiContextClass            GstVaapiContextClass;

/**
 * GstVaapiContext:
 *
 * A VA context wrapper.
 */
struct _GstVaapiContext {
    /*< private >*/
    GstVaapiObject parent_instance;

    GstVaapiContextPrivate *priv;
};

/**
 * GstVaapiContextClass:
 *
 * A VA context wrapper class.
 */
struct _GstVaapiContextClass {
    /*< private >*/
    GstVaapiObjectClass parent_class;
};

GType
gst_vaapi_context_get_type(void) G_GNUC_CONST;

GstVaapiContext *
gst_vaapi_context_new(
    GstVaapiDisplay    *display,
    GstVaapiProfile     profile,
    GstVaapiEntrypoint  entrypoint,
    guint               width,
    guint               height
);

gboolean
gst_vaapi_context_reset(
    GstVaapiContext    *context,
    GstVaapiProfile     profile,
    GstVaapiEntrypoint  entrypoint,
    unsigned int        width,
    unsigned int        height
);

GstVaapiID
gst_vaapi_context_get_id(GstVaapiContext *context);

GstVaapiProfile
gst_vaapi_context_get_profile(GstVaapiContext *context);

gboolean
gst_vaapi_context_set_profile(GstVaapiContext *context, GstVaapiProfile profile);

GstVaapiEntrypoint
gst_vaapi_context_get_entrypoint(GstVaapiContext *context);

void
gst_vaapi_context_get_size(
    GstVaapiContext *context,
    guint           *pwidth,
    guint           *pheight
);

GstVaapiSurface *
gst_vaapi_context_get_surface(GstVaapiContext *context);

guint
gst_vaapi_context_get_surface_count(GstVaapiContext *context);

void
gst_vaapi_context_put_surface(GstVaapiContext *context, GstVaapiSurface *surface);

GstVaapiSurface *
gst_vaapi_context_find_surface_by_id(GstVaapiContext *context, GstVaapiID id);

gboolean
gst_vaapi_context_apply_composition(
    GstVaapiContext            *context,
    GstVideoOverlayComposition *composition
);

G_END_DECLS

#endif /* GST_VAAPI_CONTEXT_H */