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
|
/*
* GStreamer
* Copyright (C) 2012 Collabora Ltd.
* @author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
* Copyright (C) 2014 Julien Isorce <julien.isorce@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GST_EGL_IMAGE_H_
#define _GST_EGL_IMAGE_H_
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/gl/gl.h>
#include <gst/gl/egl/gstegl.h>
G_BEGIN_DECLS
GType gst_egl_image_get_type (void);
#define GST_TYPE_EGL_IMAGE (gst_egl_image_get_type())
#define GST_IS_EGL_IMAGE(obj) (GST_IS_MINI_OBJECT_TYPE(obj, GST_TYPE_EGL_IMAGE))
#define GST_EGL_IMAGE_CAST(obj) ((GstEGLImage *)(obj))
#define GST_EGL_IMAGE(obj) (GST_EGL_IMAGE_CAST(obj))
typedef struct _GstEGLImage GstEGLImage;
typedef void (*GstEGLImageDestroyNotify) (GstEGLImage * image,
gpointer data);
/**
* GstEGLImage:
*
* Opaque #GstEGLImage struct.
*/
struct _GstEGLImage
{
GstMiniObject parent;
GstGLContext *context;
EGLImageKHR image;
GstVideoGLTextureType type;
/* FIXME: remove this and use the affine transformation meta instead */
GstVideoGLTextureOrientation orientation;
/* <private> */
gpointer destroy_data;
GstEGLImageDestroyNotify destroy_notify;
gpointer _padding[GST_PADDING];
};
GstEGLImage * gst_egl_image_new_wrapped (GstGLContext * context,
EGLImageKHR image,
GstVideoGLTextureType type,
GstVideoGLTextureOrientation orientation,
gpointer user_data,
GstEGLImageDestroyNotify user_data_destroy);
EGLImageKHR gst_egl_image_get_image (GstEGLImage * image);
GstVideoGLTextureOrientation gst_egl_image_get_orientation (GstEGLImage * image);
GstEGLImage * gst_egl_image_from_texture (GstGLContext * context,
GstGLMemory * gl_mem,
guintptr * attribs);
#if GST_GL_HAVE_DMABUF
GstEGLImage * gst_egl_image_from_dmabuf (GstGLContext * context,
gint dmabuf,
GstVideoInfo * in_info,
gint plane,
gsize offset);
#endif
/**
* gst_egl_image_ref:
* @image: a #GstEGLImage.
*
* Increases the refcount of the given image by one.
*
* Returns: (transfer full): @image
*/
static inline GstEGLImage *
gst_egl_image_ref (GstEGLImage * image)
{
return (GstEGLImage *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (image));
}
/**
* gst_egl_image_unref:
* @image: (transfer full): a #GstEGLImage.
*
* Decreases the refcount of the image. If the refcount reaches 0, the image
* with the associated metadata and memory will be freed.
*/
static inline void
gst_egl_image_unref (GstEGLImage * image)
{
gst_mini_object_unref (GST_MINI_OBJECT_CAST (image));
}
G_END_DECLS
#endif /* _GST_EGL_IMAGE_H_ */
|