FFmpeg  4.0
imgutils.c
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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 
23 int main(void)
24 {
25  int64_t x, y;
26 
27  for (y = -1; y<UINT_MAX; y+= y/2 + 1) {
28  for (x = -1; x<UINT_MAX; x+= x/2 + 1) {
29  int ret = av_image_check_size(x, y, 0, NULL);
30  printf("%d", ret >= 0);
31  }
32  printf("\n");
33  }
34 
35  return 0;
36 }
#define NULL
Definition: coverity.c:32
int main(void)
Definition: imgutils.c:23
misc image utilities
int av_image_check_size(unsigned int w, unsigned int h, int log_offset, void *log_ctx)
Check if the given dimension of an image is valid, meaning that all bytes of the image can be address...
Definition: imgutils.c:282