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
27 G_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 */
35 typedef 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 */
47 struct _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 /* <private> */
59 gpointer _padding[GST_PADDING];
60 };
61
62 GST_GL_API
63 void gst_gl_query_init (GstGLQuery * query,
64 GstGLContext * context,
65 GstGLQueryType query_type);
66 GST_GL_API
67 void gst_gl_query_unset (GstGLQuery * query);
68 GST_GL_API
69 GstGLQuery * gst_gl_query_new (GstGLContext * context,
70 GstGLQueryType query_type);
71 GST_GL_API
72 void gst_gl_query_free (GstGLQuery * query);
73
74 GST_GL_API
75 void gst_gl_query_start (GstGLQuery * query);
76 GST_GL_API
77 void gst_gl_query_end (GstGLQuery * query);
78 GST_GL_API
79 void gst_gl_query_counter (GstGLQuery * query);
80 GST_GL_API
81 guint64 gst_gl_query_result (GstGLQuery * query);
82
83 #define gst_gl_query_start_log_valist(query,cat,level,object,format,varargs) \
84 G_STMT_START { \
85 GST_GL_ASYNC_CAT_LEVEL_LOG_valist (&(query)->debug, cat, level, object, format, varargs); \
86 gst_gl_async_debug_freeze (&(query)->debug); \
87 gst_gl_query_start (query); \
88 gst_gl_async_debug_thaw (&(query)->debug); \
89 } G_STMT_END
90
91 #define gst_gl_query_counter_log_valist(query,cat,level,object,format,varargs) \
92 G_STMT_START { \
93 GST_GL_ASYNC_CAT_LEVEL_LOG_valist (&(query)->debug, cat, level, object, format, varargs); \
94 gst_gl_async_debug_freeze (&(query)->debug); \
95 gst_gl_query_counter (query); \
96 gst_gl_async_debug_thaw (&(query)->debug); \
97 } G_STMT_END
98
99 #ifdef G_HAVE_ISO_VARARGS
100
101 #define gst_gl_query_start_log(query,cat,level,object,format,...) \
102 G_STMT_START { \
103 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, __VA_ARGS__); \
104 gst_gl_async_debug_freeze (&(query)->debug); \
105 gst_gl_query_start (query); \
106 gst_gl_async_debug_thaw (&(query)->debug); \
107 } G_STMT_END
108 #define gst_gl_query_counter_log(query,cat,level,object,format,...) \
109 G_STMT_START { \
110 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, __VA_ARGS__); \
111 gst_gl_async_debug_freeze (&(query)->debug); \
112 gst_gl_query_counter (query); \
113 gst_gl_async_debug_thaw (&(query)->debug); \
114 } G_STMT_END
115
116 #else /* G_HAVE_ISO_VARARGS */
117 #if G_HAVE_GNUC_VARARGS
118
119 #define gst_gl_query_start_log(query,cat,level,object,format,args...) \
120 G_STMT_START { \
121 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, ##args); \
122 gst_gl_async_debug_freeze (&(query)->debug); \
123 gst_gl_query_start (query); \
124 gst_gl_async_debug_thaw (&(query)->debug); \
125 } G_STMT_END
126 #define gst_gl_query_counter_log(query,cat,level,object,format,args...) \
127 G_STMT_START { \
128 GST_GL_ASYNC_CAT_LEVEL_LOG (&(query)->debug, cat, level, object, format, ##args); \
129 gst_gl_async_debug_freeze (&(query)->debug); \
130 gst_gl_query_counter (query); \
131 gst_gl_async_debug_thaw (&(query)->debug); \
132 } G_STMT_END
133
134 #else /* G_HAVE_GNUC_VARARGS */
135
136 static inline void
gst_gl_query_start_log(GstGLQuery * query,GstDebugCategory * cat,GstDebugLevel level,GObject * object,const gchar * format,...)137 gst_gl_query_start_log(GstGLQuery * query, GstDebugCategory * cat,
138 GstDebugLevel level, GObject * object, const gchar * format, ...)
139 {
140 va_list varargs;
141
142 va_start (varargs, format);
143 gst_gl_query_start_log_valist (query, cat, level, object, format, varargs);
144 va_end (varargs);
145 }
146
147 static inline void
gst_gl_query_counter_log(GstGLQuery * query,GstDebugCategory * cat,GstDebugLevel level,GObject * object,const gchar * format,...)148 gst_gl_query_counter_log(GstGLQuery * query, GstDebugCategory * cat,
149 GstDebugLevel level, GObject * object, const gchar * format, ...)
150 {
151 va_list varargs;
152
153 va_start (varargs, format);
154 gst_gl_query_counter_log_valist (query, cat, level, object, format, varargs);
155 va_end (varargs);
156 }
157
158 #endif /* G_HAVE_GNUC_VARARGS */
159 #endif /* G_HAVE_ISO_VARARGS */
160
161 G_END_DECLS
162
163 #endif /* __GST_GL_QUERY_H__ */
164