xz-archive/src/liblzma/lzma/lzma_encoder_presets.c

///////////////////////////////////////////////////////////////////////////////
//
/// \file       lzma_encoder_presets.c
/// \brief      Encoder presets
//
//  Copyright (C) 2007 Lasse Collin
//
//  This library 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.
//
//  This 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
//  Lesser General Public License for more details.
//
///////////////////////////////////////////////////////////////////////////////

#include "common.h"


#define pow2(e) (UINT32_C(1) << (e))


LZMA_API const lzma_options_lzma lzma_preset_lzma[9] = {
// dict           lc lp pb           mode              fb   mf          mfc
{ pow2(16), NULL, 0, 3, 0, 2, false, LZMA_MODE_FAST,    64, LZMA_MF_HC3, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(20), NULL, 0, 3, 0, 0, false, LZMA_MODE_FAST,    64, LZMA_MF_HC4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(19), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL,  64, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(20), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL,  64, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(21), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL, 128, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(22), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL, 128, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(23), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL, 128, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(24), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL, 273, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
{ pow2(25), NULL, 0, 3, 0, 0, false, LZMA_MODE_NORMAL, 273, LZMA_MF_BT4, 0, 0, 0, 0, 0, NULL, NULL },
};


/*
extern LZMA_API lzma_bool
lzma_preset_lzma(lzma_options_lzma *options, uint32_t level)
{
	*options = (lzma_options_lzma){

	};

	options->literal_context_bits = LZMA_LITERAL_CONTEXT_BITS_DEFAULT
	options->literal_pos_bits = LZMA_LITERAL_POS_BITS_DEFAULT;
	options->pos_bits = LZMA_POS_BITS_DEFAULT;
	options->preset_dictionary = NULL;
	options->preset_dictionary_size = 0;
	options->persistent = false;

	options->mode = level <= 2 ? LZMA_MODE_FAST : LZMA_MODE_NORMAL;
	options->fast_bytes = level <=

	options->match_finder = level == 1 ? LZMA_MF_HC3
			: (level == 2 ? LZMA_MF_HC4 : LZMA_MF_BT4);
	options->match_finder_cycles = 0;



	options->dictionary_size =
}
*/