1/* 2 * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at> 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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_INTFLOAT_READWRITE_H 22#define AVUTIL_INTFLOAT_READWRITE_H 23 24#include <stdint.h> 25#include "common.h" 26 27/* IEEE 80 bits extended float */ 28typedef struct AVExtFloat { 29 uint8_t exponent[2]; 30 uint8_t mantissa[8]; 31} AVExtFloat; 32 33double av_int2dbl(int64_t v) av_const; 34float av_int2flt(int32_t v) av_const; 35double av_ext2dbl(const AVExtFloat ext) av_const; 36int64_t av_dbl2int(double d) av_const; 37int32_t av_flt2int(float d) av_const; 38AVExtFloat av_dbl2ext(double d) av_const; 39 40#endif /* AVUTIL_INTFLOAT_READWRITE_H */ 41