2 * This file is part of FFmpeg.
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.
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.
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
19 #include "libavutil/imgutils.c"
25 const AVPixFmtDescriptor *desc = NULL;
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);
37 while (desc = av_pix_fmt_desc_next(desc)) {
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);
44 if (av_image_fill_linesizes(linesizes, pix_fmt, w) < 0)
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)
50 total_size = av_image_fill_pointers(data, pix_fmt, h, (void *)1, linesizes);
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);