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version.h
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1 /*
2  * copyright (c) 2003 Fabrice Bellard
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg 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  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef AVUTIL_VERSION_H
22 #define AVUTIL_VERSION_H
23 
24 #include "macros.h"
25 
26 /**
27  * @addtogroup version_utils
28  *
29  * Useful to check and match library version in order to maintain
30  * backward compatibility.
31  *
32  * @{
33  */
34 
35 #define AV_VERSION_INT(a, b, c) ((a)<<16 | (b)<<8 | (c))
36 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
37 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
38 
39 /**
40  * Extract version components from the full ::AV_VERSION_INT int as returned
41  * by functions like ::avformat_version() and ::avcodec_version()
42  */
43 #define AV_VERSION_MAJOR(a) ((a) >> 16)
44 #define AV_VERSION_MINOR(a) (((a) & 0x00FF00) >> 8)
45 #define AV_VERSION_MICRO(a) ((a) & 0xFF)
46 
47 /**
48  * @}
49  */
50 
51 /**
52  * @file
53  * @ingroup lavu
54  * Libavutil version macros
55  */
56 
57 /**
58  * @defgroup lavu_ver Version and Build diagnostics
59  *
60  * Macros and function useful to check at compiletime and at runtime
61  * which version of libavutil is in use.
62  *
63  * @{
64  */
65 
66 #define LIBAVUTIL_VERSION_MAJOR 55
67 #define LIBAVUTIL_VERSION_MINOR 23
68 #define LIBAVUTIL_VERSION_MICRO 100
69 
70 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
71  LIBAVUTIL_VERSION_MINOR, \
72  LIBAVUTIL_VERSION_MICRO)
73 #define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \
74  LIBAVUTIL_VERSION_MINOR, \
75  LIBAVUTIL_VERSION_MICRO)
76 #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
77 
78 #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
79 
80 /**
81  * @}
82  *
83  * @defgroup depr_guards Deprecation guards
84  * FF_API_* defines may be placed below to indicate public API that will be
85  * dropped at a future version bump. The defines themselves are not part of
86  * the public API and may change, break or disappear at any time.
87  *
88  * @note, when bumping the major version it is recommended to manually
89  * disable each FF_API_* in its own commit instead of disabling them all
90  * at once through the bump. This improves the git bisect-ability of the change.
91  *
92  * @{
93  */
94 
95 #ifndef FF_API_VDPAU
96 #define FF_API_VDPAU (LIBAVUTIL_VERSION_MAJOR < 56)
97 #endif
98 #ifndef FF_API_XVMC
99 #define FF_API_XVMC (LIBAVUTIL_VERSION_MAJOR < 56)
100 #endif
101 #ifndef FF_API_OPT_TYPE_METADATA
102 #define FF_API_OPT_TYPE_METADATA (LIBAVUTIL_VERSION_MAJOR < 56)
103 #endif
104 #ifndef FF_API_DLOG
105 #define FF_API_DLOG (LIBAVUTIL_VERSION_MAJOR < 56)
106 #endif
107 #ifndef FF_API_VAAPI
108 #define FF_API_VAAPI (LIBAVUTIL_VERSION_MAJOR < 56)
109 #endif
110 #ifndef FF_API_FRAME_QP
111 #define FF_API_FRAME_QP (LIBAVUTIL_VERSION_MAJOR < 56)
112 #endif
113 #ifndef FF_API_PLUS1_MINUS1
114 #define FF_API_PLUS1_MINUS1 (LIBAVUTIL_VERSION_MAJOR < 56)
115 #endif
116 #ifndef FF_API_ERROR_FRAME
117 #define FF_API_ERROR_FRAME (LIBAVUTIL_VERSION_MAJOR < 56)
118 #endif
119 #ifndef FF_API_CRC_BIG_TABLE
120 #define FF_API_CRC_BIG_TABLE (LIBAVUTIL_VERSION_MAJOR < 56)
121 #endif
122 
123 
124 /**
125  * @}
126  */
127 
128 #endif /* AVUTIL_VERSION_H */
Utility Preprocessor macros.