FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavutil/tests/imgutils.c
Date: 2026-05-02 03:33:10
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
23 251 static int check_image_fill(enum AVPixelFormat pix_fmt, int w, int h) {
24 uint8_t *data[4];
25 size_t sizes[4];
26 251 ptrdiff_t linesizes1[4], offsets[3] = { 0 };
27 int i, total_size, linesizes[4];
28
29
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 251 if (av_image_fill_linesizes(linesizes, pix_fmt, w) < 0)
30 ✗ return -1;
31
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 1255 for (i = 0; i < 4; i++)
32 1004 linesizes1[i] = linesizes[i];
33
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 251 if (av_image_fill_plane_sizes(sizes, pix_fmt, h, linesizes1) < 0)
34 ✗ return -1;
35 251 total_size = av_image_fill_pointers(data, pix_fmt, h, (void *)1, linesizes);
36
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 251 if (total_size < 0)
37 ✗ return -1;
38
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 784 for (i = 0; i < 4 && data[i]; i++);
39 251 printf("planes: %d", i);
40 // Test the output of av_image_fill_linesizes()
41 251 printf(", linesizes:");
42
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 1255 for (i = 0; i < 4; i++)
43 1004 printf(" %3d", linesizes[i]);
44 // Test the output of av_image_fill_plane_sizes()
45 251 printf(", plane_sizes:");
46
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 1255 for (i = 0; i < 4; i++)
47 1004 printf(" %5zu", sizes[i]);
48 // Test the output of av_image_fill_pointers()
49
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 533 for (i = 0; i < 3 && data[i + 1]; i++)
50 282 offsets[i] = data[i + 1] - data[i];
51 251 printf(", plane_offsets:");
52
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 1004 for (i = 0; i < 3; i++)
53 753 printf(" %5td", offsets[i]);
54 251 printf(", total_size: %d", total_size);
55
56 251 return 0;
57 }
58
59 251 static int check_image_fill_black(const AVPixFmtDescriptor *desc, enum AVPixelFormat pix_fmt, int w, int h)
60 {
61 uint8_t *data[4];
62 ptrdiff_t linesizes1[4];
63 int ret, total_size, linesizes[4];
64
65 251 ret = av_image_fill_linesizes(linesizes, pix_fmt, w);
66
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 251 if (ret < 0)
67 ✗ return ret;
68 251 total_size = av_image_alloc(data, linesizes, w, h, pix_fmt, 4);
69
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 251 if (total_size < 0) {
70 ✗ printf("alloc failure");
71 ✗ return total_size;
72 }
73 251 printf("total_size: %6d", total_size);
74
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 251 if (desc->flags & AV_PIX_FMT_FLAG_PAL)
75 1 total_size -= 256 * 4;
76 // Make it non-black by default...
77 251 memset(data[0], 0xA3, total_size);
78
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 1255 for (int i = 0; i < 4; i++)
79 1004 linesizes1[i] = linesizes[i];
80
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 1004 for (enum AVColorRange range = 0; range < AVCOL_RANGE_NB; range++) {
81 753 ret = av_image_fill_black(data, linesizes1, pix_fmt, range, w, h);
82 753 printf(", black_%s_crc: ", av_color_range_name(range));
83
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 753 if (ret < 0) {
84 ✗ printf("----------");
85 } else {
86 753 const AVCRC *crc = av_crc_get_table(AV_CRC_32_IEEE_LE);
87 753 printf("0x%08"PRIx32, av_crc(crc, 0, data[0], total_size));
88 }
89 }
90 251 av_freep(&data[0]);
91
92 251 return 0;
93 }
94
95 1 int main(void)
96 {
97 int64_t x, y;
98
99
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 56 for (y = -1; y<UINT_MAX; y+= y/2 + 1) {
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 3080 for (x = -1; x<UINT_MAX; x+= x/2 + 1) {
101 3025 int ret = av_image_check_size(x, y, 0, NULL);
102 3025 printf("%d", ret >= 0);
103 }
104 55 printf("\n");
105 }
106 1 printf("\n");
107
108
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 3 for (int i = 0; i < 2; i++) {
109
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 2 printf(i ? "\nimage_fill_black tests\n" : "image_fill tests\n");
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 536 for (const AVPixFmtDescriptor *desc = NULL; desc = av_pix_fmt_desc_next(desc);) {
111 534 int w = 64, h = 48;
112 534 enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(desc);
113
114
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 534 if (desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
115 32 continue;
116
117 502 printf("%-16s", desc->name);
118
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 502 if (i == 0)
119 251 check_image_fill(pix_fmt, w, h);
120 else
121 251 check_image_fill_black(desc, pix_fmt, w, h);
122 502 printf("\n");
123 }
124 }
125
126 1 return 0;
127 }
128