47 lines
1.5 KiB
C
Executable file
47 lines
1.5 KiB
C
Executable file
/*
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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 <stdint.h>
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#include <stdio.h>
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#include "libavutil/crc.h"
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int main(void)
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{
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uint8_t buf[1999];
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int i;
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static const unsigned p[7][3] = {
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{ AV_CRC_32_IEEE_LE, 0xEDB88320, 0x3D5CDD04 },
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{ AV_CRC_32_IEEE , 0x04C11DB7, 0xC0F5BAE0 },
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{ AV_CRC_24_IEEE , 0x864CFB , 0xB704CE },
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{ AV_CRC_16_ANSI_LE, 0xA001 , 0xBFD8 },
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{ AV_CRC_16_ANSI , 0x8005 , 0x1FBB },
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{ AV_CRC_8_ATM , 0x07 , 0xE3 },
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{ AV_CRC_8_EBU , 0x1D , 0xD6 },
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};
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const AVCRC *ctx;
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for (i = 0; i < sizeof(buf); i++)
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buf[i] = i + i * i;
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for (i = 0; i < 7; i++) {
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ctx = av_crc_get_table(p[i][0]);
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printf("crc %08X = %X\n", p[i][1], av_crc(ctx, 0, buf, sizeof(buf)));
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}
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return 0;
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}
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