| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "libavutil/imgutils.c" |
| |
| #undef printf |
| |
| int main(void) |
| { |
| const AVPixFmtDescriptor *desc = NULL; |
| int64_t x, y; |
| |
| for (y = -1; y<UINT_MAX; y+= y/2 + 1) { |
| for (x = -1; x<UINT_MAX; x+= x/2 + 1) { |
| int ret = av_image_check_size(x, y, 0, NULL); |
| printf("%d", ret >= 0); |
| } |
| printf("\n"); |
| } |
| printf("\n"); |
| |
| while (desc = av_pix_fmt_desc_next(desc)) { |
| uint8_t *data[4]; |
| size_t sizes[4]; |
| ptrdiff_t linesizes1[4], offsets[3] = { 0 }; |
| int i, total_size, w = 64, h = 48, linesizes[4]; |
| enum AVPixelFormat pix_fmt = av_pix_fmt_desc_get_id(desc); |
| |
| if (av_image_fill_linesizes(linesizes, pix_fmt, w) < 0) |
| continue; |
| for (i = 0; i < 4; i++) |
| linesizes1[i] = linesizes[i]; |
| if (av_image_fill_plane_sizes(sizes, pix_fmt, h, linesizes1) < 0) |
| continue; |
| total_size = av_image_fill_pointers(data, pix_fmt, h, (void *)1, linesizes); |
| if (total_size < 0) |
| continue; |
| printf("%-16s", desc->name); |
| for (i = 0; i < 4 && data[i]; i++); |
| printf("planes: %d", i); |
| // Test the output of av_image_fill_linesizes() |
| printf(", linesizes:"); |
| for (i = 0; i < 4; i++) |
| printf(" %3d", linesizes[i]); |
| // Test the output of av_image_fill_plane_sizes() |
| printf(", plane_sizes:"); |
| for (i = 0; i < 4; i++) |
| printf(" %5"SIZE_SPECIFIER, sizes[i]); |
| // Test the output of av_image_fill_pointers() |
| for (i = 0; i < 3 && data[i + 1]; i++) |
| offsets[i] = data[i + 1] - data[i]; |
| printf(", plane_offsets:"); |
| for (i = 0; i < 3; i++) |
| printf(" %5"PTRDIFF_SPECIFIER, offsets[i]); |
| printf(", total_size: %d\n", total_size); |
| } |
| |
| return 0; |
| } |