/////////////////////////////////////////////////////////////////////////////// // /// \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 = } */