author | Wuzzy <almikes@aol.com> |
Sat, 15 Apr 2017 06:52:14 +0200 | |
changeset 12256 | 789277d46784 |
parent 7813 | 7ac83d79b897 |
permissions | -rw-r--r-- |
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/* |
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* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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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#ifndef AVUTIL_CRC_H |
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#define AVUTIL_CRC_H |
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#include <stdint.h> |
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#include <stddef.h> |
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#include "attributes.h" |
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typedef uint32_t AVCRC; |
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typedef enum { |
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AV_CRC_8_ATM, |
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AV_CRC_16_ANSI, |
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AV_CRC_16_CCITT, |
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AV_CRC_32_IEEE, |
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AV_CRC_32_IEEE_LE, /*< reversed bitorder version of AV_CRC_32_IEEE */ |
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AV_CRC_MAX, /*< Not part of public API! Do not use outside libavutil. */ |
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}AVCRCId; |
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int av_crc_init(AVCRC *ctx, int le, int bits, uint32_t poly, int ctx_size); |
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const AVCRC *av_crc_get_table(AVCRCId crc_id); |
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uint32_t av_crc(const AVCRC *ctx, uint32_t start_crc, const uint8_t *buffer, size_t length) av_pure; |
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#endif /* AVUTIL_CRC_H */ |