1/*
2 * GStreamer
3 * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.com>
4 * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library 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 GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22#ifndef _GST_GL_MEMORY_PBO_H_
23#define _GST_GL_MEMORY_PBO_H_
24
25#include <gst/gl/gstglmemory.h>
26
27G_BEGIN_DECLS
28
29#define GST_TYPE_GL_MEMORY_PBO_ALLOCATOR (gst_gl_memory_pbo_allocator_get_type())
30GST_GL_API
31GType gst_gl_memory_pbo_allocator_get_type(void);
32
33#define GST_IS_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
34#define GST_IS_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR))
35#define GST_GL_MEMORY_PBO_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
36#define GST_GL_MEMORY_PBO_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocator))
37#define GST_GL_MEMORY_PBO_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_MEMORY_PBO_ALLOCATOR, GstGLMemoryPBOAllocatorClass))
38#define GST_GL_MEMORY_PBO_ALLOCATOR_CAST(obj) ((GstGLMemoryPBOAllocator *)(obj))
39
40/**
41 * GstGLMemoryPBO:
42 *
43 * Private instance
44 */
45struct _GstGLMemoryPBO
46{
47 /*< private >*/
48 GstGLMemory mem;
49
50 GstGLBuffer *pbo;
51
52 gpointer _padding[GST_PADDING];
53};
54
55/**
56 * GST_GL_MEMORY_PBO_ALLOCATOR_NAME:
57 *
58 * The name of the GL Memory PBO allocator
59 */
60#define GST_GL_MEMORY_PBO_ALLOCATOR_NAME "GLMemoryPBO"
61
62/**
63 * GST_TYPE_GL_MEMORY_PBO
64 *
65 * Since: 1.20
66 */
67#define GST_TYPE_GL_MEMORY_PBO (gst_gl_memory_pbo_get_type())
68GST_GL_API
69GType gst_gl_memory_pbo_get_type(void);
70
71GST_GL_API
72void gst_gl_memory_pbo_init_once (void);
73GST_GL_API
74gboolean gst_is_gl_memory_pbo (GstMemory * mem);
75
76GST_GL_API
77void gst_gl_memory_pbo_download_transfer (GstGLMemoryPBO * gl_mem);
78GST_GL_API
79void gst_gl_memory_pbo_upload_transfer (GstGLMemoryPBO * gl_mem);
80
81GST_GL_API
82gboolean gst_gl_memory_pbo_copy_into_texture (GstGLMemoryPBO *gl_mem,
83 guint tex_id,
84 GstGLTextureTarget target,
85 GstGLFormat tex_format,
86 gint width,
87 gint height,
88 gint stride,
89 gboolean respecify);
90
91/**
92 * GstGLMemoryPBOAllocator:
93 *
94 * Opaque #GstGLMemoryPBOAllocator struct
95 */
96struct _GstGLMemoryPBOAllocator
97{
98 GstGLMemoryAllocator parent;
99
100 /*< private >*/
101 gpointer _padding[GST_PADDING];
102};
103
104/**
105 * GstGLMemoryPBOAllocatorClass:
106 *
107 * Only contains private data
108 */
109struct _GstGLMemoryPBOAllocatorClass
110{
111 GstGLMemoryAllocatorClass parent_class;
112
113 /*< private >*/
114 gpointer _padding[GST_PADDING];
115};
116
117G_END_DECLS
118
119#endif /* _GST_GL_MEMORY_PBO_H_ */
120

source code of include/gstreamer-1.0/gst/gl/gstglmemorypbo.h