Libav 0.7.1
libavutil/avutil.h
Go to the documentation of this file.
00001 /*
00002  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
00003  *
00004  * This file is part of Libav.
00005  *
00006  * Libav is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Lesser General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2.1 of the License, or (at your option) any later version.
00010  *
00011  * Libav is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Lesser General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Lesser General Public
00017  * License along with Libav; if not, write to the Free Software
00018  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00019  */
00020 
00021 #ifndef AVUTIL_AVUTIL_H
00022 #define AVUTIL_AVUTIL_H
00023 
00030 #define AV_STRINGIFY(s)         AV_TOSTRING(s)
00031 #define AV_TOSTRING(s) #s
00032 
00033 #define AV_GLUE(a, b) a ## b
00034 #define AV_JOIN(a, b) AV_GLUE(a, b)
00035 
00036 #define AV_PRAGMA(s) _Pragma(#s)
00037 
00038 #define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
00039 #define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
00040 #define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
00041 
00042 #define LIBAVUTIL_VERSION_MAJOR 51
00043 #define LIBAVUTIL_VERSION_MINOR  7
00044 #define LIBAVUTIL_VERSION_MICRO  0
00045 
00046 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
00047                                                LIBAVUTIL_VERSION_MINOR, \
00048                                                LIBAVUTIL_VERSION_MICRO)
00049 #define LIBAVUTIL_VERSION       AV_VERSION(LIBAVUTIL_VERSION_MAJOR,     \
00050                                            LIBAVUTIL_VERSION_MINOR,     \
00051                                            LIBAVUTIL_VERSION_MICRO)
00052 #define LIBAVUTIL_BUILD         LIBAVUTIL_VERSION_INT
00053 
00054 #define LIBAVUTIL_IDENT         "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
00055 
00060 #ifndef FF_API_GET_BITS_PER_SAMPLE_FMT
00061 #define FF_API_GET_BITS_PER_SAMPLE_FMT (LIBAVUTIL_VERSION_MAJOR < 52)
00062 #endif
00063 #ifndef FF_API_FIND_OPT
00064 #define FF_API_FIND_OPT                 (LIBAVUTIL_VERSION_MAJOR < 52)
00065 #endif
00066 
00070 unsigned avutil_version(void);
00071 
00075 const char *avutil_configuration(void);
00076 
00080 const char *avutil_license(void);
00081 
00082 enum AVMediaType {
00083     AVMEDIA_TYPE_UNKNOWN = -1,
00084     AVMEDIA_TYPE_VIDEO,
00085     AVMEDIA_TYPE_AUDIO,
00086     AVMEDIA_TYPE_DATA,
00087     AVMEDIA_TYPE_SUBTITLE,
00088     AVMEDIA_TYPE_ATTACHMENT,
00089     AVMEDIA_TYPE_NB
00090 };
00091 
00092 #define FF_LAMBDA_SHIFT 7
00093 #define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
00094 #define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
00095 #define FF_LAMBDA_MAX (256*128-1)
00096 
00097 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
00098 
00099 #define AV_NOPTS_VALUE          INT64_C(0x8000000000000000)
00100 #define AV_TIME_BASE            1000000
00101 #define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
00102 
00103 enum AVPictureType {
00104     AV_PICTURE_TYPE_I = 1, 
00105     AV_PICTURE_TYPE_P,     
00106     AV_PICTURE_TYPE_B,     
00107     AV_PICTURE_TYPE_S,     
00108     AV_PICTURE_TYPE_SI,    
00109     AV_PICTURE_TYPE_SP,    
00110     AV_PICTURE_TYPE_BI,    
00111 };
00112 
00120 char av_get_picture_type_char(enum AVPictureType pict_type);
00121 
00122 #include "common.h"
00123 #include "error.h"
00124 #include "mathematics.h"
00125 #include "rational.h"
00126 #include "intfloat_readwrite.h"
00127 #include "log.h"
00128 #include "pixfmt.h"
00129 
00130 #endif /* AVUTIL_AVUTIL_H */