1/*
2 * GStreamer
3 * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
4 * Copyright (C) 2002,2007 David A. Schleef <ds@schleef.org>
5 * Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
6 * Copyright (C) 2019 Philippe Normand <philn@igalia.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24#ifndef __GST_GL_BASE_SRC_H__
25#define __GST_GL_BASE_SRC_H__
26
27#include <gst/base/gstpushsrc.h>
28#include <gst/gl/gstgl_fwd.h>
29
30G_BEGIN_DECLS
31
32GST_GL_API
33GType gst_gl_base_src_get_type(void);
34
35#define GST_TYPE_GL_BASE_SRC (gst_gl_base_src_get_type())
36#define GST_GL_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_GL_BASE_SRC,GstGLBaseSrc))
37#define GST_GL_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_GL_BASE_SRC,GstGLBaseSrcClass))
38#define GST_IS_GL_BASE_SRC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_GL_BASE_SRC))
39#define GST_IS_GL_BASE_SRC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_GL_BASE_SRC))
40#define GST_GL_BASE_SRC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_GL_BASE_SRC,GstGLBaseSrcClass))
41
42/**
43 * GstGLBaseSrc:
44 * @display: the currently configured #GstGLDisplay
45 * @context: the currently configured #GstGLContext
46 * @out_caps: the currently configured output #GstCaps
47 * @out_info: the currently configured output #GstVideoInfo
48 * @running_time: the total running time
49 *
50 * The parent instance type of a base GStreamer GL Video source.
51 *
52 * Since: 1.18
53 */
54struct _GstGLBaseSrc {
55 GstPushSrc parent;
56
57 /*< public >*/
58 GstGLDisplay *display;
59 GstGLContext *context;
60
61 /* video state */
62 GstVideoInfo out_info;
63 GstCaps *out_caps;
64
65 /* total running time */
66 GstClockTime running_time;
67
68 /*< private >*/
69 gpointer _padding[GST_PADDING];
70
71 GstGLBaseSrcPrivate *priv;
72};
73
74/**
75 * GstGLBaseSrcClass:
76 * @supported_gl_api: the logical-OR of #GstGLAPI's supported by this element
77 * @gl_start: called in the GL thread to setup the element GL state.
78 * @gl_stop: called in the GL thread to setup the element GL state.
79 * @fill_gl_memory: called in the GL thread to fill the current video texture.
80 *
81 * The base class for GStreamer GL Video sources.
82 *
83 * Since: 1.18
84 */
85struct _GstGLBaseSrcClass {
86 GstPushSrcClass parent_class;
87
88 /*< public >*/
89 GstGLAPI supported_gl_api;
90 gboolean (*gl_start) (GstGLBaseSrc *src);
91 void (*gl_stop) (GstGLBaseSrc *src);
92 gboolean (*fill_gl_memory) (GstGLBaseSrc *src, GstGLMemory *mem);
93
94 /*< private >*/
95 gpointer _padding[GST_PADDING];
96};
97
98G_END_DECLS
99
100#endif /* __GST_GL_BASE_SRC_H__ */
101

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