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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 
21 #undef printf
22 
main(void)23 int main(void)
24 {
25     const AVPixFmtDescriptor *desc = NULL;
26     int64_t x, y;
27 
28     for (y = -1; y<UINT_MAX; y+= y/2 + 1) {
29         for (x = -1; x<UINT_MAX; x+= x/2 + 1) {
30             int ret = av_image_check_size(x, y, 0, NULL);
31             printf("%d", ret >= 0);
32         }
33         printf("\n");
34     }
35     printf("\n");
36 
37     while (desc = av_pix_fmt_desc_next(desc)) {
38         uint8_t *data[4];
39         size_t sizes[4];
40         ptrdiff_t linesizes1[4], offsets[3] = { 0 };
41         int i, total_size, w = 64, h = 48, linesizes[4];
42         enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(desc);
43 
44         if (av_image_fill_linesizes(linesizes, pix_fmt, w) < 0)
45             continue;
46         for (i = 0; i < 4; i++)
47             linesizes1[i] = linesizes[i];
48         if (av_image_fill_plane_sizes(sizes, pix_fmt, h, linesizes1) < 0)
49             continue;
50         total_size = av_image_fill_pointers(data, pix_fmt, h, (void *)1, linesizes);
51         if (total_size < 0)
52             continue;
53         printf("%-16s", desc->name);
54         for (i = 0; i < 4 && data[i]; i++);
55         printf("planes: %d", i);
56         // Test the output of av_image_fill_linesizes()
57         printf(", linesizes:");
58         for (i = 0; i < 4; i++)
59             printf(" %3d", linesizes[i]);
60         // Test the output of av_image_fill_plane_sizes()
61         printf(", plane_sizes:");
62         for (i = 0; i < 4; i++)
63             printf(" %5"SIZE_SPECIFIER, sizes[i]);
64         // Test the output of av_image_fill_pointers()
65         for (i = 0; i < 3 && data[i + 1]; i++)
66             offsets[i] = data[i + 1] - data[i];
67         printf(", plane_offsets:");
68         for (i = 0; i < 3; i++)
69             printf(" %5"PTRDIFF_SPECIFIER, offsets[i]);
70         printf(", total_size: %d\n", total_size);
71     }
72 
73     return 0;
74 }
75