2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of Libav.
6 * Libav 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.
11 * Libav 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.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 #ifndef AVUTIL_AVUTIL_H
22 #define AVUTIL_AVUTIL_H
30 #define AV_STRINGIFY(s) AV_TOSTRING(s)
31 #define AV_TOSTRING(s) #s
33 #define AV_GLUE(a, b) a ## b
34 #define AV_JOIN(a, b) AV_GLUE(a, b)
36 #define AV_PRAGMA(s) _Pragma(#s)
38 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
39 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
40 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
42 #define LIBAVUTIL_VERSION_MAJOR 50
43 #define LIBAVUTIL_VERSION_MINOR 40
44 #define LIBAVUTIL_VERSION_MICRO 1
46 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
47 LIBAVUTIL_VERSION_MINOR, \
48 LIBAVUTIL_VERSION_MICRO)
49 #define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \
50 LIBAVUTIL_VERSION_MINOR, \
51 LIBAVUTIL_VERSION_MICRO)
52 #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
54 #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
57 * Those FF_API_* defines are not part of public API.
58 * They may change, break or disappear at any time.
60 #ifndef FF_API_OLD_EVAL_NAMES
61 #define FF_API_OLD_EVAL_NAMES (LIBAVUTIL_VERSION_MAJOR < 51)
65 * Return the LIBAVUTIL_VERSION_INT constant.
67 unsigned avutil_version(void);
70 * Return the libavutil build-time configuration.
72 const char *avutil_configuration(void);
75 * Return the libavutil license.
77 const char *avutil_license(void);
80 AVMEDIA_TYPE_UNKNOWN = -1,
84 AVMEDIA_TYPE_SUBTITLE,
85 AVMEDIA_TYPE_ATTACHMENT,
89 #define FF_LAMBDA_SHIFT 7
90 #define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
91 #define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
92 #define FF_LAMBDA_MAX (256*128-1)
94 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
96 #define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
97 #define AV_TIME_BASE 1000000
98 #define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
101 * Those FF_API_* defines are not part of public API.
102 * They may change, break or disappear at any time.
104 #ifndef FF_API_OLD_IMAGE_NAMES
105 #define FF_API_OLD_IMAGE_NAMES (LIBAVUTIL_VERSION_MAJOR < 51)
110 #include "mathematics.h"
111 #include "rational.h"
112 #include "intfloat_readwrite.h"
116 #endif /* AVUTIL_AVUTIL_H */