/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVUTIL_HALF2FLOAT_H#define AVUTIL_HALF2FLOAT_H #include <stdint.h>#include "intfloat.h" #include "config.h" typedef struct Half2FloatTables {#if HAVE_FAST_FLOAT16    uint8_t dummy;#else    uint32_t mantissatable[3072];    uint32_t exponenttable[64];    uint16_t offsettable[64];#endif} Half2FloatTables; void ff_init_half2float_tables(Half2FloatTables *t); static inline uint32_t half2float(uint16_t h, const Half2FloatTables *t){#if HAVE_FAST_FLOAT16    union {        _Float16 f;        uint16_t i;    } u;    u.i = h;    return av_float2int(u.f);#else    uint32_t f;     f = t->mantissatable[t->offsettable[h >> 10] + (h & 0x3ff)] + t->exponenttable[h >> 10];     return f;#endif} #endif /* AVUTIL_HALF2FLOAT_H */