avutil.h
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1 /*
2  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of Libav.
5  *
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.
10  *
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.
15  *
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
19  */
20 
21 #ifndef AVUTIL_AVUTIL_H
22 #define AVUTIL_AVUTIL_H
23 
120 #define AV_STRINGIFY(s) AV_TOSTRING(s)
121 #define AV_TOSTRING(s) #s
122 
123 #define AV_GLUE(a, b) a ## b
124 #define AV_JOIN(a, b) AV_GLUE(a, b)
125 
126 #define AV_PRAGMA(s) _Pragma(#s)
127 
141 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
142 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
143 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
144 
156 #define LIBAVUTIL_VERSION_MAJOR 51
157 #define LIBAVUTIL_VERSION_MINOR 22
158 #define LIBAVUTIL_VERSION_MICRO 3
159 
160 #define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
161  LIBAVUTIL_VERSION_MINOR, \
162  LIBAVUTIL_VERSION_MICRO)
163 #define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \
164  LIBAVUTIL_VERSION_MINOR, \
165  LIBAVUTIL_VERSION_MICRO)
166 #define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
167 
168 #define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
169 
182 #ifndef FF_API_GET_BITS_PER_SAMPLE_FMT
183 #define FF_API_GET_BITS_PER_SAMPLE_FMT (LIBAVUTIL_VERSION_MAJOR < 52)
184 #endif
185 #ifndef FF_API_FIND_OPT
186 #define FF_API_FIND_OPT (LIBAVUTIL_VERSION_MAJOR < 52)
187 #endif
188 #ifndef FF_API_AV_FIFO_PEEK
189 #define FF_API_AV_FIFO_PEEK (LIBAVUTIL_VERSION_MAJOR < 52)
190 #endif
191 #ifndef FF_API_OLD_AVOPTIONS
192 #define FF_API_OLD_AVOPTIONS (LIBAVUTIL_VERSION_MAJOR < 52)
193 #endif
194 
207 unsigned avutil_version(void);
208 
212 const char *avutil_configuration(void);
213 
217 const char *avutil_license(void);
218 
236 };
237 
248 #define FF_LAMBDA_SHIFT 7
249 #define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
250 #define FF_QP2LAMBDA 118
251 #define FF_LAMBDA_MAX (256*128-1)
252 
253 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
254 
271 #define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
272 
277 #define AV_TIME_BASE 1000000
278 
283 #define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
284 
303 };
304 
312 char av_get_picture_type_char(enum AVPictureType pict_type);
313 
318 #include "common.h"
319 #include "error.h"
320 
326 #endif /* AVUTIL_AVUTIL_H */