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1 | /* | ||
2 | * Format Conversion Utils | ||
3 | * Copyright (c) 2000, 2001 Fabrice Bellard | ||
4 | * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> | ||
5 | * | ||
6 | * This file is part of FFmpeg. | ||
7 | * | ||
8 | * FFmpeg is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public | ||
10 | * License as published by the Free Software Foundation; either | ||
11 | * version 2.1 of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * FFmpeg is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with FFmpeg; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | |||
23 | #include "config.h" | ||
24 | #include "libavutil/attributes.h" | ||
25 | #include "fmtconvert.h" | ||
26 | |||
27 | 46550 | static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src, | |
28 | float mul, int len) | ||
29 | { | ||
30 | int i; | ||
31 |
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11392278 | for(i=0; i<len; i++) |
32 | 11345728 | dst[i] = src[i] * mul; | |
33 | 46550 | } | |
34 | |||
35 | 132 | static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst, | |
36 | const int32_t *src, const float *mul, | ||
37 | int len) | ||
38 | { | ||
39 | int i; | ||
40 |
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5760 | for (i = 0; i < len; i += 8) |
41 | 5628 | c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8); | |
42 | 132 | } | |
43 | |||
44 | 104 | av_cold void ff_fmt_convert_init(FmtConvertContext *c) | |
45 | { | ||
46 | 104 | c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c; | |
47 | 104 | c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c; | |
48 | |||
49 | #if ARCH_AARCH64 | ||
50 | ff_fmt_convert_init_aarch64(c); | ||
51 | #elif ARCH_ARM | ||
52 | ff_fmt_convert_init_arm(c); | ||
53 | #elif ARCH_PPC | ||
54 | ff_fmt_convert_init_ppc(c); | ||
55 | #elif ARCH_RISCV | ||
56 | ff_fmt_convert_init_riscv(c); | ||
57 | #elif ARCH_X86 | ||
58 | 104 | ff_fmt_convert_init_x86(c); | |
59 | #endif | ||
60 | #if HAVE_MIPSFPU | ||
61 | ff_fmt_convert_init_mips(c); | ||
62 | #endif | ||
63 | 104 | } | |
64 |