Split global .gitignore file into per-directory files
[libav.git] / libavutil / crc-test.c
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <stdint.h>
20 #include <stdio.h>
21
22 #include "crc.h"
23
24 int main(void)
25 {
26 uint8_t buf[1999];
27 int i;
28 static const int p[5][3] = {
29 { AV_CRC_32_IEEE_LE, 0xEDB88320, 0x3D5CDD04 },
30 { AV_CRC_32_IEEE, 0x04C11DB7, 0xC0F5BAE0 },
31 { AV_CRC_16_ANSI_LE, 0xA001, 0xBFD8 },
32 { AV_CRC_16_ANSI, 0x8005, 0x1FBB },
33 { AV_CRC_8_ATM, 0x07, 0xE3 }
34 };
35 const AVCRC *ctx;
36
37 for (i = 0; i < sizeof(buf); i++)
38 buf[i] = i + i * i;
39
40 for (i = 0; i < 5; i++) {
41 ctx = av_crc_get_table(p[i][0]);
42 printf("crc %08X = %X\n", p[i][1], av_crc(ctx, 0, buf, sizeof(buf)));
43 }
44 return 0;
45 }