intfloat_readwrite.h (1484B)
1 /* 2 * copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at> 3 * 4 * This file is part of Libav. 5 * 6 * Libav 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 * Libav 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 Libav; 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 "attributes.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 attribute_deprecated double av_int2dbl(int64_t v) av_const; 34 attribute_deprecated float av_int2flt(int32_t v) av_const; 35 attribute_deprecated double av_ext2dbl(const AVExtFloat ext) av_const; 36 attribute_deprecated int64_t av_dbl2int(double d) av_const; 37 attribute_deprecated int32_t av_flt2int(float d) av_const; 38 attribute_deprecated AVExtFloat av_dbl2ext(double d) av_const; 39 40 #endif /* AVUTIL_INTFLOAT_READWRITE_H */