1/*
2 * GStreamer
3 * Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef __GST_GL_QUERY_H__
22#define __GST_GL_QUERY_H__
23
24#include <gst/gl/gstgl_fwd.h>
25#include <gst/gl/gstgldebug.h>
26
27G_BEGIN_DECLS
28
29/**
30 * GstGLQueryType:
31 * @GST_GL_QUERY_NONE: no query
32 * @GST_GL_QUERY_TIME_ELAPSED: query the time elapsed
33 * @GST_GL_QUERY_TIMESTAMP: query the current time
34 */
35typedef enum
36{
37 GST_GL_QUERY_NONE,
38 GST_GL_QUERY_TIME_ELAPSED,
39 GST_GL_QUERY_TIMESTAMP,
40} GstGLQueryType;
41
42/**
43 * GstGLQuery:
44 *
45 * Opaque #GstGLQuery struct
46 */
47struct _GstGLQuery
48{
49 /*< private >*/
50 GstGLContext * context;
51 guint query_type;
52 guint query_id;
53 gboolean supported;
54
55 gboolean start_called;
56 GstGLAsyncDebug debug;
57
58 gpointer _padding[GST_PADDING];
59};
60
61GST_GL_API
62void gst_gl_query_init (GstGLQuery * query,
63 GstGLContext * context,
64 GstGLQueryType query_type);
65GST_GL_API
66void gst_gl_query_unset (GstGLQuery * query);
67GST_GL_API
68GstGLQuery * gst_gl_query_new (GstGLContext * context,
69 GstGLQueryType query_type);
70GST_GL_API
71void gst_gl_query_free (GstGLQuery * query);
72
73GST_GL_API
74void gst_gl_query_start (GstGLQuery * query);
75GST_GL_API
76void gst_gl_query_end (GstGLQuery * query);
77GST_GL_API
78void gst_gl_query_counter (GstGLQuery * query);
79GST_GL_API
80guint64 gst_gl_query_result (GstGLQuery * query);
81
82#define gst_gl_query_start_log_valist(query,cat,level,object,format,varargs) \
83 G_STMT_START { \
84 GST_GL_ASYNC_CAT_LEVEL_LOG_valist (&(query)->debug, cat, level, object, format, varargs); \
85 gst_gl_async_debug_freeze (&(query)->debug); \
86 gst_gl_query_start (query); \
87 gst_gl_async_debug_thaw (&(query)->debug); \
88 } G_STMT_END
89
90#define gst_gl_query_counter_log_valist(query,cat,level,object,format,varargs) \
91 G_STMT_START { \
92 GST_GL_ASYNC_CAT_LEVEL_LOG_valist (&(query)->debug, cat, level, object, format, varargs); \
93 gst_gl_async_debug_freeze (&(query)->debug); \
94 gst_gl_query_counter (query); \
95 gst_gl_async_debug_thaw (&(query)->debug); \
96 } G_STMT_END
97
98#ifdef G_HAVE_ISO_VARARGS
99
100#define gst_gl_query_start_log(query,cat,level,object,format,...) \
101 G_STMT_START { \
102 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, __VA_ARGS__); \
103 gst_gl_async_debug_freeze (&(query)->debug); \
104 gst_gl_query_start (query); \
105 gst_gl_async_debug_thaw (&(query)->debug); \
106 } G_STMT_END
107#define gst_gl_query_counter_log(query,cat,level,object,format,...) \
108 G_STMT_START { \
109 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, __VA_ARGS__); \
110 gst_gl_async_debug_freeze (&(query)->debug); \
111 gst_gl_query_counter (query); \
112 gst_gl_async_debug_thaw (&(query)->debug); \
113 } G_STMT_END
114
115#else /* G_HAVE_ISO_VARARGS */
116#if G_HAVE_GNUC_VARARGS
117
118#define gst_gl_query_start_log(query,cat,level,object,format,args...) \
119 G_STMT_START { \
120 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, ##args); \
121 gst_gl_async_debug_freeze (&(query)->debug); \
122 gst_gl_query_start (query); \
123 gst_gl_async_debug_thaw (&(query)->debug); \
124 } G_STMT_END
125#define gst_gl_query_counter_log(query,cat,level,object,format,args...) \
126 G_STMT_START { \
127 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, ##args); \
128 gst_gl_async_debug_freeze (&(query)->debug); \
129 gst_gl_query_counter (query); \
130 gst_gl_async_debug_thaw (&(query)->debug); \
131 } G_STMT_END
132
133#else /* G_HAVE_GNUC_VARARGS */
134
135static inline void
136gst_gl_query_start_log(GstGLQuery * query, GstDebugCategory * cat,
137 GstDebugLevel level, GObject * object, const gchar * format, ...)
138{
139 va_list varargs;
140
141 va_start (varargs, format);
142 gst_gl_query_start_log_valist (query, cat, level, object, format, varargs);
143 va_end (varargs);
144}
145
146static inline void
147gst_gl_query_counter_log(GstGLQuery * query, GstDebugCategory * cat,
148 GstDebugLevel level, GObject * object, const gchar * format, ...)
149{
150 va_list varargs;
151
152 va_start (varargs, format);
153 gst_gl_query_counter_log_valist (query, cat, level, object, format, varargs);
154 va_end (varargs);
155}
156
157#endif /* G_HAVE_GNUC_VARARGS */
158#endif /* G_HAVE_ISO_VARARGS */
159
160G_END_DECLS
161
162#endif /* __GST_GL_QUERY_H__ */
163

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