FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/vf_hflip_init.h
Date: 2024-07-16 12:46:59
Exec Total Coverage
Lines: 48 50 96.0%
Functions: 7 7 100.0%
Branches: 20 21 95.2%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2007 Benoit Fouet
3 * Copyright (c) 2010 Stefano Sabatini
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #ifndef AVFILTER_HFLIP_INIT_H
23 #define AVFILTER_HFLIP_INIT_H
24
25 #include <stdint.h>
26
27 #include "config.h"
28 #include "libavutil/attributes.h"
29 #include "libavutil/error.h"
30 #include "libavutil/intreadwrite.h"
31 #include "hflip.h"
32
33 17037 static void hflip_byte_c(const uint8_t *src, uint8_t *dst, int w)
34 {
35
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5044365 for (int j = 0; j < w; j++)
36 5027328 dst[j] = src[-j];
37 17037 }
38
39 80157 static void hflip_short_c(const uint8_t *ssrc, uint8_t *ddst, int w)
40 {
41 80157 const uint16_t *src = (const uint16_t *)ssrc;
42 80157 uint16_t *dst = (uint16_t *)ddst;
43
44
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25448541 for (int j = 0; j < w; j++)
45 25368384 dst[j] = src[-j];
46 80157 }
47
48 13248 static void hflip_dword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
49 {
50 13248 const uint32_t *src = (const uint32_t *)ssrc;
51 13248 uint32_t *dst = (uint32_t *)ddst;
52
53
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4220352 for (int j = 0; j < w; j++)
54 4207104 dst[j] = src[-j];
55 13248 }
56
57 576 static void hflip_b24_c(const uint8_t *src, uint8_t *dst, int w)
58 {
59 576 const uint8_t *in = src;
60 576 uint8_t *out = dst;
61
62
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203328 for (int j = 0; j < w; j++, out += 3, in -= 3) {
63 202752 int32_t v = AV_RB24(in);
64
65 202752 AV_WB24(out, v);
66 }
67 576 }
68
69 1728 static void hflip_b48_c(const uint8_t *src, uint8_t *dst, int w)
70 {
71 1728 const uint8_t *in = src;
72 1728 uint8_t *out = dst;
73
74
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609984 for (int j = 0; j < w; j++, out += 6, in -= 6) {
75 608256 int64_t v = AV_RB48(in);
76
77 608256 AV_WB48(out, v);
78 }
79 1728 }
80
81 1728 static void hflip_qword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
82 {
83 1728 const uint64_t *src = (const uint64_t *)ssrc;
84 1728 uint64_t *dst = (uint64_t *)ddst;
85
86
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609984 for (int j = 0; j < w; j++)
87 608256 dst[j] = src[-j];
88 1728 }
89
90 203 static av_unused int ff_hflip_init(FlipContext *s, int step[4], int nb_planes)
91 {
92
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731 for (int i = 0; i < nb_planes; i++) {
93 528 step[i] *= s->bayer_plus1;
94
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528 switch (step[i]) {
95 115 case 1: s->flip_line[i] = hflip_byte_c; break;
96 350 case 2: s->flip_line[i] = hflip_short_c; break;
97 2 case 3: s->flip_line[i] = hflip_b24_c; break;
98 49 case 4: s->flip_line[i] = hflip_dword_c; break;
99 6 case 6: s->flip_line[i] = hflip_b48_c; break;
100 6 case 8: s->flip_line[i] = hflip_qword_c; break;
101 default:
102 return AVERROR_BUG;
103 }
104 }
105 #if ARCH_X86
106 203 ff_hflip_init_x86(s, step, nb_planes);
107 #endif
108
109 203 return 0;
110 }
111
112 #endif /* AVFILTER_HFLIP_INIT_H */
113