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Diffstat (limited to 'engines/tony/mpal/lzo1x.h')
| -rw-r--r-- | engines/tony/mpal/lzo1x.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/engines/tony/mpal/lzo1x.h b/engines/tony/mpal/lzo1x.h new file mode 100644 index 0000000000..83b547428c --- /dev/null +++ b/engines/tony/mpal/lzo1x.h @@ -0,0 +1,188 @@ +/* ScummVM - Graphic Adventure Engine + * + * ScummVM is the legal property of its developers, whose names + * are too numerous to list here. Please refer to the COPYRIGHT + * file distributed with this source distribution. + * + * This program 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. + + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * + */ +/* lzo1x.h -- public interface of the LZO1X compression algorithm + + This file is part of the LZO real-time data compression library. + + 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 + + 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., + 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + Markus F.X.J. Oberhumer + <markus.oberhumer@jk.uni-linz.ac.at> + http://wildsau.idv.uni-linz.ac.at/mfx/lzo.html + */ + + +#ifndef __LZO1X_H +#define __LZO1X_H + +#ifndef __LZOCONF_H +#include "lzoconf.h" +#endif + +namespace Tony { + +namespace MPAL { + +/*********************************************************************** +// +************************************************************************/ + +/* Memory required for the wrkmem parameter. + * When the required size is 0, you can also pass a NULL pointer. + */ + +#define LZO1X_MEM_COMPRESS LZO1X_1_MEM_COMPRESS +#define LZO1X_MEM_DECOMPRESS (0) +#define LZO1X_MEM_OPTIMIZE (0) + + +/* decompression */ +LZO_EXTERN(int) +lzo1x_decompress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem /* NOT USED */ ); + +/* safe decompression with overrun testing */ +LZO_EXTERN(int) +lzo1x_decompress_safe ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem /* NOT USED */ ); + + +/*********************************************************************** +// +************************************************************************/ + +#define LZO1X_1_MEM_COMPRESS ((lzo_uint32) (16384L * lzo_sizeof_dict_t)) + +LZO_EXTERN(int) +lzo1x_1_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem ); + + +/*********************************************************************** +// special compressor versions +************************************************************************/ + +/* this version needs only 8 kB work memory */ +#define LZO1X_1_11_MEM_COMPRESS ((lzo_uint32) (2048L * lzo_sizeof_dict_t)) + +LZO_EXTERN(int) +lzo1x_1_11_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem ); + + +/* this version needs 16 kB work memory */ +#define LZO1X_1_12_MEM_COMPRESS ((lzo_uint32) (4096L * lzo_sizeof_dict_t)) + +LZO_EXTERN(int) +lzo1x_1_12_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem ); + + +/* use this version if you need a little more compression speed */ +#define LZO1X_1_15_MEM_COMPRESS ((lzo_uint32) (32768L * lzo_sizeof_dict_t)) + +LZO_EXTERN(int) +lzo1x_1_15_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem ); + + +/*********************************************************************** +// better compression ratio at the cost of more memory and time +************************************************************************/ + +#define LZO1X_999_MEM_COMPRESS ((lzo_uint32) (14 * 16384L * sizeof(short))) + +#if !defined(LZO_999_UNSUPPORTED) +LZO_EXTERN(int) +lzo1x_999_compress ( const lzo_byte *src, lzo_uint src_len, + lzo_byte *dst, lzo_uint *dst_len, + lzo_voidp wrkmem ); +#endif + + +/*********************************************************************** +// +************************************************************************/ + +#if !defined(LZO_999_UNSUPPORTED) +LZO_EXTERN(int) +lzo1x_999_compress_dict ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uint *out_len, + lzo_voidp wrkmem, + const lzo_byte *dict, lzo_uint dict_len ); + +LZO_EXTERN(int) +lzo1x_999_compress_level ( const lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uint *out_len, + lzo_voidp wrkmem, + const lzo_byte *dict, lzo_uint dict_len, + lzo_progress_callback_t cb, + int compression_level ); +#endif + +LZO_EXTERN(int) +lzo1x_decompress_dict_safe ( const lzo_byte *in, lzo_uint in_len, + lzo_byte *out, lzo_uint *out_len, + lzo_voidp wrkmem /* NOT USED */, + const lzo_byte *dict, lzo_uint dict_len ); + + +/*********************************************************************** +// optimize a compressed data block +************************************************************************/ + +LZO_EXTERN(int) +lzo1x_optimize ( lzo_byte *in , lzo_uint in_len, + lzo_byte *out, lzo_uint *out_len, + lzo_voidp wrkmem ); + + +} // end of namespace MPAL + +} // end of namespace Tony + +#endif /* already included */ |