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 
119 #define AV_STRINGIFY(s) AV_TOSTRING(s)
120 #define AV_TOSTRING(s) #s
121 
122 #define AV_GLUE(a, b) a ## b
123 #define AV_JOIN(a, b) AV_GLUE(a, b)
124 
125 #define AV_PRAGMA(s) _Pragma(#s)
126 
140 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
141 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
142 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
143 
156 unsigned avutil_version(void);
157 
161 const char *avutil_configuration(void);
162 
166 const char *avutil_license(void);
167 
185 };
186 
197 #define FF_LAMBDA_SHIFT 7
198 #define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
199 #define FF_QP2LAMBDA 118
200 #define FF_LAMBDA_MAX (256*128-1)
201 
202 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
203 
220 #define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
221 
226 #define AV_TIME_BASE 1000000
227 
232 #define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
233 
252 };
253 
261 char av_get_picture_type_char(enum AVPictureType pict_type);
262 
267 #include "error.h"
268 #include "version.h"
269 
275 #endif /* AVUTIL_AVUTIL_H */