/src/ffmpeg/libavutil/half2float.h
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1 | | /* |
2 | | * This file is part of FFmpeg. |
3 | | * |
4 | | * FFmpeg is free software; you can redistribute it and/or |
5 | | * modify it under the terms of the GNU Lesser General Public |
6 | | * License as published by the Free Software Foundation; either |
7 | | * version 2.1 of the License, or (at your option) any later version. |
8 | | * |
9 | | * FFmpeg is distributed in the hope that it will be useful, |
10 | | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | | * Lesser General Public License for more details. |
13 | | * |
14 | | * You should have received a copy of the GNU Lesser General Public |
15 | | * License along with FFmpeg; if not, write to the Free Software |
16 | | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 | | */ |
18 | | |
19 | | #ifndef AVUTIL_HALF2FLOAT_H |
20 | | #define AVUTIL_HALF2FLOAT_H |
21 | | |
22 | | #include <stdint.h> |
23 | | #include "intfloat.h" |
24 | | |
25 | | #include "config.h" |
26 | | |
27 | | typedef struct Half2FloatTables { |
28 | | #if HAVE_FAST_FLOAT16 |
29 | | uint8_t dummy; |
30 | | #else |
31 | | uint32_t mantissatable[3072]; |
32 | | uint32_t exponenttable[64]; |
33 | | uint16_t offsettable[64]; |
34 | | #endif |
35 | | } Half2FloatTables; |
36 | | |
37 | | void ff_init_half2float_tables(Half2FloatTables *t); |
38 | | |
39 | | static inline uint32_t half2float(uint16_t h, const Half2FloatTables *t) |
40 | 0 | { |
41 | | #if HAVE_FAST_FLOAT16 |
42 | | union { |
43 | | _Float16 f; |
44 | | uint16_t i; |
45 | | } u; |
46 | | u.i = h; |
47 | | return av_float2int(u.f); |
48 | | #else |
49 | 0 | uint32_t f; |
50 | |
|
51 | 0 | f = t->mantissatable[t->offsettable[h >> 10] + (h & 0x3ff)] + t->exponenttable[h >> 10]; |
52 | |
|
53 | 0 | return f; |
54 | 0 | #endif |
55 | 0 | } Unexecuted instantiation: swscale.c:half2float Unexecuted instantiation: utils.c:half2float Unexecuted instantiation: vscale.c:half2float Unexecuted instantiation: hscale_fast_bilinear_simd.c:half2float Unexecuted instantiation: yuv2rgb.c:half2float Unexecuted instantiation: alphablend.c:half2float Unexecuted instantiation: graph.c:half2float Unexecuted instantiation: hscale_fast_bilinear.c:half2float Unexecuted instantiation: input.c:half2float Unexecuted instantiation: options.c:half2float Unexecuted instantiation: output.c:half2float Unexecuted instantiation: rgb2rgb.c:half2float Unexecuted instantiation: slice.c:half2float Unexecuted instantiation: swscale_unscaled.c:half2float Unexecuted instantiation: gamma.c:half2float Unexecuted instantiation: hscale.c:half2float Unexecuted instantiation: half2float.c:half2float |
56 | | |
57 | | #endif /* AVUTIL_HALF2FLOAT_H */ |