| Index: flac/src/libFLAC/include/private/crc.h
|
| ===================================================================
|
| --- flac/src/libFLAC/include/private/crc.h (revision 0)
|
| +++ flac/src/libFLAC/include/private/crc.h (revision 0)
|
| @@ -0,0 +1,61 @@
|
| +/* libFLAC - Free Lossless Audio Codec library
|
| + * Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson
|
| + *
|
| + * Redistribution and use in source and binary forms, with or without
|
| + * modification, are permitted provided that the following conditions
|
| + * are met:
|
| + *
|
| + * - Redistributions of source code must retain the above copyright
|
| + * notice, this list of conditions and the following disclaimer.
|
| + *
|
| + * - Redistributions in binary form must reproduce the above copyright
|
| + * notice, this list of conditions and the following disclaimer in the
|
| + * documentation and/or other materials provided with the distribution.
|
| + *
|
| + * - Neither the name of the Xiph.org Foundation nor the names of its
|
| + * contributors may be used to endorse or promote products derived from
|
| + * this software without specific prior written permission.
|
| + *
|
| + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
| + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
| + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
| + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
|
| + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
| + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
| + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
| + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
| + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
| + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
| + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| + */
|
| +
|
| +#ifndef FLAC__PRIVATE__CRC_H
|
| +#define FLAC__PRIVATE__CRC_H
|
| +
|
| +#include "FLAC/ordinals.h"
|
| +
|
| +/* 8 bit CRC generator, MSB shifted first
|
| +** polynomial = x^8 + x^2 + x^1 + x^0
|
| +** init = 0
|
| +*/
|
| +extern FLAC__byte const FLAC__crc8_table[256];
|
| +#define FLAC__CRC8_UPDATE(data, crc) (crc) = FLAC__crc8_table[(crc) ^ (data)];
|
| +void FLAC__crc8_update(const FLAC__byte data, FLAC__uint8 *crc);
|
| +void FLAC__crc8_update_block(const FLAC__byte *data, unsigned len, FLAC__uint8 *crc);
|
| +FLAC__uint8 FLAC__crc8(const FLAC__byte *data, unsigned len);
|
| +
|
| +/* 16 bit CRC generator, MSB shifted first
|
| +** polynomial = x^16 + x^15 + x^2 + x^0
|
| +** init = 0
|
| +*/
|
| +extern unsigned FLAC__crc16_table[256];
|
| +
|
| +#define FLAC__CRC16_UPDATE(data, crc) (((((crc)<<8) & 0xffff) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]))
|
| +/* this alternate may be faster on some systems/compilers */
|
| +#if 0
|
| +#define FLAC__CRC16_UPDATE(data, crc) ((((crc)<<8) ^ FLAC__crc16_table[((crc)>>8) ^ (data)]) & 0xffff)
|
| +#endif
|
| +
|
| +unsigned FLAC__crc16(const FLAC__byte *data, unsigned len);
|
| +
|
| +#endif
|
|
|
| Property changes on: flac/src/libFLAC/include/private/crc.h
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|