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