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libavutil/avutil.h

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00001 /*
00002  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
00003  *
00004  * This file is part of FFmpeg.
00005  *
00006  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 50
00043 #define LIBAVUTIL_VERSION_MINOR 43
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_OLD_EVAL_NAMES
00061 #define FF_API_OLD_EVAL_NAMES (LIBAVUTIL_VERSION_MAJOR < 52)
00062 
00063 #endif
00064 #ifndef FF_API_GET_BITS_PER_SAMPLE_FMT
00065 #define FF_API_GET_BITS_PER_SAMPLE_FMT (LIBAVUTIL_VERSION_MAJOR < 52)
00066 #endif
00067 #ifndef FF_API_FIND_OPT
00068 #define FF_API_FIND_OPT                 (LIBAVUTIL_VERSION_MAJOR < 52)
00069 #endif
00070 
00074 unsigned avutil_version(void);
00075 
00079 const char *avutil_configuration(void);
00080 
00084 const char *avutil_license(void);
00085 
00086 enum AVMediaType {
00087     AVMEDIA_TYPE_UNKNOWN = -1,
00088     AVMEDIA_TYPE_VIDEO,
00089     AVMEDIA_TYPE_AUDIO,
00090     AVMEDIA_TYPE_DATA,
00091     AVMEDIA_TYPE_SUBTITLE,
00092     AVMEDIA_TYPE_ATTACHMENT,
00093     AVMEDIA_TYPE_NB
00094 };
00095 
00096 #define FF_LAMBDA_SHIFT 7
00097 #define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
00098 #define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
00099 #define FF_LAMBDA_MAX (256*128-1)
00100 
00101 #define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
00102 
00103 #define AV_NOPTS_VALUE          INT64_C(0x8000000000000000)
00104 #define AV_TIME_BASE            1000000
00105 #define AV_TIME_BASE_Q          (AVRational){1, AV_TIME_BASE}
00106 
00111 #ifndef FF_API_OLD_IMAGE_NAMES
00112 #define FF_API_OLD_IMAGE_NAMES (LIBAVUTIL_VERSION_MAJOR < 51)
00113 #endif
00114 enum AVPictureType {
00115     AV_PICTURE_TYPE_NONE = 0, 
00116     AV_PICTURE_TYPE_I,     
00117     AV_PICTURE_TYPE_P,     
00118     AV_PICTURE_TYPE_B,     
00119     AV_PICTURE_TYPE_S,     
00120     AV_PICTURE_TYPE_SI,    
00121     AV_PICTURE_TYPE_SP,    
00122     AV_PICTURE_TYPE_BI,    
00123 };
00124 
00132 char av_get_picture_type_char(enum AVPictureType pict_type);
00133 
00134 #include "common.h"
00135 #include "error.h"
00136 #include "mathematics.h"
00137 #include "rational.h"
00138 #include "intfloat_readwrite.h"
00139 #include "log.h"
00140 #include "pixfmt.h"
00141 
00142 #endif /* AVUTIL_AVUTIL_H */

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