| /* lzo1y.h -- public interface of the LZO1Y compression algorithm |
| |
| This file is part of the LZO real-time data compression library. |
| |
| Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer |
| Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer |
| All Rights Reserved. |
| |
| The LZO library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU General Public License as |
| published by the Free Software Foundation; either version 2 of |
| the License, or (at your option) any later version. |
| |
| The LZO library 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with the LZO library; see the file COPYING. |
| If not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| |
| Markus F.X.J. Oberhumer |
| <markus@oberhumer.com> |
| http://www.oberhumer.com/opensource/lzo/ |
| */ |
| |
| |
| #ifndef __LZO1Y_H_INCLUDED |
| #define __LZO1Y_H_INCLUDED |
| |
| #ifndef __LZOCONF_H_INCLUDED |
| #include "lzoconf.h" |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| |
| /*********************************************************************** |
| // |
| ************************************************************************/ |
| |
| /* Memory required for the wrkmem parameter. |
| * When the required size is 0, you can also pass a NULL pointer. |
| */ |
| |
| #define LZO1Y_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) |
| #define LZO1Y_MEM_DECOMPRESS (0) |
| #define LZO1Y_MEM_OPTIMIZE (0) |
| |
| |
| /* decompression */ |
| LZO_EXTERN(int) |
| lzo1y_decompress ( const lzo_bytep src, lzo_uint src_len, |
| lzo_bytep dst, lzo_uintp dst_len, |
| lzo_voidp wrkmem /* NOT USED */ ); |
| |
| /* safe decompression with overrun testing */ |
| LZO_EXTERN(int) |
| lzo1y_decompress_safe ( const lzo_bytep src, lzo_uint src_len, |
| lzo_bytep dst, lzo_uintp dst_len, |
| lzo_voidp wrkmem /* NOT USED */ ); |
| |
| |
| /*********************************************************************** |
| // |
| ************************************************************************/ |
| |
| LZO_EXTERN(int) |
| lzo1y_1_compress ( const lzo_bytep src, lzo_uint src_len, |
| lzo_bytep dst, lzo_uintp dst_len, |
| lzo_voidp wrkmem ); |
| |
| |
| /*********************************************************************** |
| // better compression ratio at the cost of more memory and time |
| ************************************************************************/ |
| |
| #define LZO1Y_999_MEM_COMPRESS ((lzo_uint32) (14 * 16384L * sizeof(short))) |
| |
| LZO_EXTERN(int) |
| lzo1y_999_compress ( const lzo_bytep src, lzo_uint src_len, |
| lzo_bytep dst, lzo_uintp dst_len, |
| lzo_voidp wrkmem ); |
| |
| |
| |
| /*********************************************************************** |
| // |
| ************************************************************************/ |
| |
| LZO_EXTERN(int) |
| lzo1y_999_compress_dict ( const lzo_bytep in , lzo_uint in_len, |
| lzo_bytep out, lzo_uintp out_len, |
| lzo_voidp wrkmem, |
| const lzo_bytep dict, lzo_uint dict_len ); |
| |
| LZO_EXTERN(int) |
| lzo1y_999_compress_level ( const lzo_bytep in , lzo_uint in_len, |
| lzo_bytep out, lzo_uintp out_len, |
| lzo_voidp wrkmem, |
| const lzo_bytep dict, lzo_uint dict_len, |
| lzo_callback_p cb, |
| int compression_level ); |
| |
| LZO_EXTERN(int) |
| lzo1y_decompress_dict_safe ( const lzo_bytep in, lzo_uint in_len, |
| lzo_bytep out, lzo_uintp out_len, |
| lzo_voidp wrkmem /* NOT USED */, |
| const lzo_bytep dict, lzo_uint dict_len ); |
| |
| |
| /*********************************************************************** |
| // optimize a compressed data block |
| ************************************************************************/ |
| |
| LZO_EXTERN(int) |
| lzo1y_optimize ( lzo_bytep in , lzo_uint in_len, |
| lzo_bytep out, lzo_uintp out_len, |
| lzo_voidp wrkmem /* NOT USED */ ); |
| |
| |
| |
| #ifdef __cplusplus |
| } /* extern "C" */ |
| #endif |
| |
| #endif /* already included */ |
| |
| |
| /* vim:set ts=4 et: */ |
