FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavutil/tests/imgutils.c
Date: 2025-10-25 20:16:37
Exec Total Coverage
Lines: 62 69 89.9%
Functions: 3 3 100.0%
Branches: 42 48 87.5%
Line Branch Exec Source
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 #include "libavutil/imgutils.c"
20 #include "libavutil/crc.h"
21 #include "libavutil/mem.h"
22
23 #undef printf
24 251 static int check_image_fill(enum AVPixelFormat pix_fmt, int w, int h) {
25 uint8_t *data[4];
26 size_t sizes[4];
27 251 ptrdiff_t linesizes1[4], offsets[3] = { 0 };
28 int i, total_size, linesizes[4];
29
30
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 251 if (av_image_fill_linesizes(linesizes, pix_fmt, w) < 0)
31 ✗ return -1;
32
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 1255 for (i = 0; i < 4; i++)
33 1004 linesizes1[i] = linesizes[i];
34
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 251 if (av_image_fill_plane_sizes(sizes, pix_fmt, h, linesizes1) < 0)
35 ✗ return -1;
36 251 total_size = av_image_fill_pointers(data, pix_fmt, h, (void *)1, linesizes);
37
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 251 if (total_size < 0)
38 ✗ return -1;
39
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 784 for (i = 0; i < 4 && data[i]; i++);
40 251 printf("planes: %d", i);
41 // Test the output of av_image_fill_linesizes()
42 251 printf(", linesizes:");
43
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 1255 for (i = 0; i < 4; i++)
44 1004 printf(" %3d", linesizes[i]);
45 // Test the output of av_image_fill_plane_sizes()
46 251 printf(", plane_sizes:");
47
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 1255 for (i = 0; i < 4; i++)
48 1004 printf(" %5"SIZE_SPECIFIER, sizes[i]);
49 // Test the output of av_image_fill_pointers()
50
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 533 for (i = 0; i < 3 && data[i + 1]; i++)
51 282 offsets[i] = data[i + 1] - data[i];
52 251 printf(", plane_offsets:");
53
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 1004 for (i = 0; i < 3; i++)
54 753 printf(" %5"PTRDIFF_SPECIFIER, offsets[i]);
55 251 printf(", total_size: %d", total_size);
56
57 251 return 0;
58 }
59
60 251 static int check_image_fill_black(const AVPixFmtDescriptor *desc, enum AVPixelFormat pix_fmt, int w, int h)
61 {
62 uint8_t *data[4];
63 ptrdiff_t linesizes1[4];
64 int ret, total_size, linesizes[4];
65
66 251 ret = av_image_fill_linesizes(linesizes, pix_fmt, w);
67
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 251 if (ret < 0)
68 ✗ return ret;
69 251 total_size = av_image_alloc(data, linesizes, w, h, pix_fmt, 4);
70
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 251 if (total_size < 0) {
71 ✗ printf("alloc failure");
72 ✗ return total_size;
73 }
74 251 printf("total_size: %6d", total_size);
75
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 251 if (desc->flags & AV_PIX_FMT_FLAG_PAL)
76 1 total_size -= 256 * 4;
77 // Make it non-black by default...
78 251 memset(data[0], 0xA3, total_size);
79
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 1255 for (int i = 0; i < 4; i++)
80 1004 linesizes1[i] = linesizes[i];
81
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 1004 for (enum AVColorRange range = 0; range < AVCOL_RANGE_NB; range++) {
82 753 ret = av_image_fill_black(data, linesizes1, pix_fmt, range, w, h);
83 753 printf(", black_%s_crc: ", av_color_range_name(range));
84
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 753 if (ret < 0) {
85 ✗ printf("----------");
86 } else {
87 753 const AVCRC *crc = av_crc_get_table(AV_CRC_32_IEEE_LE);
88 753 printf("0x%08"PRIx32, av_crc(crc, 0, data[0], total_size));
89 }
90 }
91 251 av_freep(&data[0]);
92
93 251 return 0;
94 }
95
96 1 int main(void)
97 {
98 int64_t x, y;
99
100
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 56 for (y = -1; y<UINT_MAX; y+= y/2 + 1) {
101
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 3080 for (x = -1; x<UINT_MAX; x+= x/2 + 1) {
102 3025 int ret = av_image_check_size(x, y, 0, NULL);
103 3025 printf("%d", ret >= 0);
104 }
105 55 printf("\n");
106 }
107 1 printf("\n");
108
109
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 3 for (int i = 0; i < 2; i++) {
110
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 2 printf(i ? "\nimage_fill_black tests\n" : "image_fill tests\n");
111
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 536 for (const AVPixFmtDescriptor *desc = NULL; desc = av_pix_fmt_desc_next(desc);) {
112 534 int w = 64, h = 48;
113 534 enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(desc);
114
115
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 534 if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
116 32 continue;
117
118 502 printf("%-16s", desc->name);
119
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 502 if (i == 0)
120 251 check_image_fill(pix_fmt, w, h);
121 else
122 251 check_image_fill_black(desc, pix_fmt, w, h);
123 502 printf("\n");
124 }
125 }
126
127 1 return 0;
128 }
129