Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/fmtconvert.c |
Date: | 2022-07-05 19:52:29 |
Exec | Total | Coverage | |
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Lines: | 14 | 17 | 82.4% |
Branches: | 4 | 6 | 66.7% |
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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 "avcodec.h" | ||
26 | #include "fmtconvert.h" | ||
27 | |||
28 | 46370 | static void int32_to_float_fmul_scalar_c(float *dst, const int32_t *src, | |
29 | float mul, int len) | ||
30 | { | ||
31 | int i; | ||
32 |
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11346018 | for(i=0; i<len; i++) |
33 | 11299648 | dst[i] = src[i] * mul; | |
34 | 46370 | } | |
35 | |||
36 | ✗ | static void int32_to_float_c(float *dst, const int32_t *src, intptr_t len) | |
37 | { | ||
38 | int i; | ||
39 | |||
40 | ✗ | for (i = 0; i < len; i++) | |
41 | ✗ | dst[i] = (float)src[i]; | |
42 | } | ||
43 | |||
44 | 132 | static void int32_to_float_fmul_array8_c(FmtConvertContext *c, float *dst, | |
45 | const int32_t *src, const float *mul, | ||
46 | int len) | ||
47 | { | ||
48 | int i; | ||
49 |
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5760 | for (i = 0; i < len; i += 8) |
50 | 5628 | c->int32_to_float_fmul_scalar(&dst[i], &src[i], *mul++, 8); | |
51 | 132 | } | |
52 | |||
53 | 93 | av_cold void ff_fmt_convert_init(FmtConvertContext *c, AVCodecContext *avctx) | |
54 | { | ||
55 | 93 | c->int32_to_float = int32_to_float_c; | |
56 | 93 | c->int32_to_float_fmul_scalar = int32_to_float_fmul_scalar_c; | |
57 | 93 | c->int32_to_float_fmul_array8 = int32_to_float_fmul_array8_c; | |
58 | |||
59 | #if ARCH_AARCH64 | ||
60 | ff_fmt_convert_init_aarch64(c, avctx); | ||
61 | #elif ARCH_ARM | ||
62 | ff_fmt_convert_init_arm(c, avctx); | ||
63 | #elif ARCH_PPC | ||
64 | ff_fmt_convert_init_ppc(c, avctx); | ||
65 | #elif ARCH_X86 | ||
66 | 93 | ff_fmt_convert_init_x86(c, avctx); | |
67 | #endif | ||
68 | #if HAVE_MIPSFPU | ||
69 | ff_fmt_convert_init_mips(c); | ||
70 | #endif | ||
71 | 93 | } | |
72 |