FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/vf_hflip_init.h
Date: 2025-06-17 11:18:48
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 80733 static void hflip_short_c(const uint8_t *ssrc, uint8_t *ddst, int w)
40 {
41 80733 const uint16_t *src = (const uint16_t *)ssrc;
42 80733 uint16_t *dst = (uint16_t *)ddst;
43
44
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45 25571136 dst[j] = src[-j];
46 80733 }
47
48 14688 static void hflip_dword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
49 {
50 14688 const uint32_t *src = (const uint32_t *)ssrc;
51 14688 uint32_t *dst = (uint32_t *)ddst;
52
53
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 4627296 for (int j = 0; j < w; j++)
54 4612608 dst[j] = src[-j];
55 14688 }
56
57 864 static void hflip_b24_c(const uint8_t *src, uint8_t *dst, int w)
58 {
59 864 const uint8_t *in = src;
60 864 uint8_t *out = dst;
61
62
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 304992 for (int j = 0; j < w; j++, out += 3, in -= 3) {
63 304128 int32_t v = AV_RB24(in);
64
65 304128 AV_WB24(out, v);
66 }
67 864 }
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 2880 static void hflip_qword_c(const uint8_t *ssrc, uint8_t *ddst, int w)
82 {
83 2880 const uint64_t *src = (const uint64_t *)ssrc;
84 2880 uint64_t *dst = (uint64_t *)ddst;
85
86
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 1016640 for (int j = 0; j < w; j++)
87 1013760 dst[j] = src[-j];
88 2880 }
89
90 213 static av_unused int ff_hflip_init(FlipContext *s, int step[4], int nb_planes)
91 {
92
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 753 for (int i = 0; i < nb_planes; i++) {
93 540 step[i] *= s->bayer_plus1;
94
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 540 switch (step[i]) {
95 115 case 1: s->flip_line[i] = hflip_byte_c; break;
96 352 case 2: s->flip_line[i] = hflip_short_c; break;
97 3 case 3: s->flip_line[i] = hflip_b24_c; break;
98 54 case 4: s->flip_line[i] = hflip_dword_c; break;
99 6 case 6: s->flip_line[i] = hflip_b48_c; break;
100 10 case 8: s->flip_line[i] = hflip_qword_c; break;
101 ✗ default:
102 ✗ return AVERROR_BUG;
103 }
104 }
105 #if ARCH_X86
106 213 ff_hflip_init_x86(s, step, nb_planes);
107 #endif
108
109 213 return 0;
110 }
111
112 #endif /* AVFILTER_HFLIP_INIT_H */
113