Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 44 lines (37 sloc) 1.477 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#ifndef AVUTIL_CRC_H
#define AVUTIL_CRC_H

#include <stdint.h>
#include <stddef.h>
#include "attributes.h"

typedef uint32_t AVCRC;

typedef enum {
    AV_CRC_8_ATM,
    AV_CRC_16_ANSI,
    AV_CRC_16_CCITT,
    AV_CRC_32_IEEE,
    AV_CRC_32_IEEE_LE, /*< reversed bitorder version of AV_CRC_32_IEEE */
    AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */
}AVCRCId;

int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size);
const AVCRC *av_crc_get_table(AVCRCId crc_id);
uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure;

#endif /* AVUTIL_CRC_H */
Something went wrong with that request. Please try again.