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
22 #include "libavutil/crc.h"
28 static const unsigned p[6][3] = {
29 { AV_CRC_32_IEEE_LE, 0xEDB88320, 0x3D5CDD04 },
30 { AV_CRC_32_IEEE , 0x04C11DB7, 0xC0F5BAE0 },
31 { AV_CRC_24_IEEE , 0x864CFB , 0xB704CE },
32 { AV_CRC_16_ANSI_LE, 0xA001 , 0xBFD8 },
33 { AV_CRC_16_ANSI , 0x8005 , 0x1FBB },
34 { AV_CRC_8_ATM , 0x07 , 0xE3 }
38 for (i = 0; i < sizeof(buf); i++)
41 for (i = 0; i < 6; i++) {
42 ctx = av_crc_get_table(p[i][0]);
43 printf("crc %08X = %X\n", p[i][1], av_crc(ctx, 0, buf, sizeof(buf)));