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| 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 */ | |
| 28 typedef struct AVExtFloat { | |
| 29 uint8_t exponent[2]; | |
| 30 uint8_t mantissa[8]; | |
| 31 } AVExtFloat; | |
| 32 | |
| 33 double av_int2dbl(int64_t v) av_const; | |
| 34 float av_int2flt(int32_t v) av_const; | |
| 35 double av_ext2dbl(const AVExtFloat ext) av_const; | |
| 36 int64_t av_dbl2int(double d) av_const; | |
| 37 int32_t av_flt2int(float d) av_const; | |
| 38 AVExtFloat av_dbl2ext(double d) av_const; | |
| 39 | |
| 40 #endif /* AVUTIL_INTFLOAT_READWRITE_H */ | |
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