mirror of
https://github.com/FFmpeg/FFmpeg.git
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128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
/*
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* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_AVUTIL_H
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#define AVUTIL_AVUTIL_H
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/**
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* @file
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* external API header
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*/
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#define AV_STRINGIFY(s) AV_TOSTRING(s)
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#define AV_TOSTRING(s) #s
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#define AV_GLUE(a, b) a ## b
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#define AV_JOIN(a, b) AV_GLUE(a, b)
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#define AV_PRAGMA(s) _Pragma(#s)
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#define AV_VERSION_INT(a, b, c) (a<<16 | b<<8 | c)
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#define AV_VERSION_DOT(a, b, c) a ##.## b ##.## c
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#define AV_VERSION(a, b, c) AV_VERSION_DOT(a, b, c)
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#define LIBAVUTIL_VERSION_MAJOR 51
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#define LIBAVUTIL_VERSION_MINOR 3
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#define LIBAVUTIL_VERSION_MICRO 0
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#define LIBAVUTIL_VERSION_INT AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \
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LIBAVUTIL_VERSION_MINOR, \
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LIBAVUTIL_VERSION_MICRO)
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#define LIBAVUTIL_VERSION AV_VERSION(LIBAVUTIL_VERSION_MAJOR, \
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LIBAVUTIL_VERSION_MINOR, \
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LIBAVUTIL_VERSION_MICRO)
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#define LIBAVUTIL_BUILD LIBAVUTIL_VERSION_INT
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#define LIBAVUTIL_IDENT "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)
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/**
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* Those FF_API_* defines are not part of public API.
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* They may change, break or disappear at any time.
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*/
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#ifndef FF_API_OLD_EVAL_NAMES
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#define FF_API_OLD_EVAL_NAMES (LIBAVUTIL_VERSION_MAJOR < 52)
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#endif
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/**
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* Return the LIBAVUTIL_VERSION_INT constant.
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*/
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unsigned avutil_version(void);
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/**
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* Return the libavutil build-time configuration.
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*/
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const char *avutil_configuration(void);
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/**
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* Return the libavutil license.
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*/
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const char *avutil_license(void);
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enum AVMediaType {
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AVMEDIA_TYPE_UNKNOWN = -1,
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AVMEDIA_TYPE_VIDEO,
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AVMEDIA_TYPE_AUDIO,
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AVMEDIA_TYPE_DATA,
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AVMEDIA_TYPE_SUBTITLE,
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AVMEDIA_TYPE_ATTACHMENT,
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AVMEDIA_TYPE_NB
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};
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#define FF_LAMBDA_SHIFT 7
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#define FF_LAMBDA_SCALE (1<<FF_LAMBDA_SHIFT)
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#define FF_QP2LAMBDA 118 ///< factor to convert from H.263 QP to lambda
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#define FF_LAMBDA_MAX (256*128-1)
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#define FF_QUALITY_SCALE FF_LAMBDA_SCALE //FIXME maybe remove
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#define AV_NOPTS_VALUE INT64_C(0x8000000000000000)
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#define AV_TIME_BASE 1000000
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#define AV_TIME_BASE_Q (AVRational){1, AV_TIME_BASE}
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enum AVPictureType {
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AV_PICTURE_TYPE_I = 1, ///< Intra
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AV_PICTURE_TYPE_P, ///< Predicted
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AV_PICTURE_TYPE_B, ///< Bi-dir predicted
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AV_PICTURE_TYPE_S, ///< S(GMC)-VOP MPEG4
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AV_PICTURE_TYPE_SI, ///< Switching Intra
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AV_PICTURE_TYPE_SP, ///< Switching Predicted
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AV_PICTURE_TYPE_BI, ///< BI type
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};
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/**
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* Return a single letter to describe the given picture type
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* pict_type.
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*
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* @param[in] pict_type the picture type @return a single character
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* representing the picture type, '?' if pict_type is unknown
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*/
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char av_get_picture_type_char(enum AVPictureType pict_type);
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#include "common.h"
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#include "error.h"
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#include "mathematics.h"
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#include "rational.h"
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#include "intfloat_readwrite.h"
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#include "log.h"
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#include "pixfmt.h"
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#endif /* AVUTIL_AVUTIL_H */
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