14d3f1eafSConrad Meyer /* 2*5ff13fbcSAllan Jude * Copyright (c) Yann Collet, Facebook, Inc. 34d3f1eafSConrad Meyer * All rights reserved. 44d3f1eafSConrad Meyer * 54d3f1eafSConrad Meyer * This source code is licensed under both the BSD-style license (found in the 64d3f1eafSConrad Meyer * LICENSE file in the root directory of this source tree) and the GPLv2 (found 74d3f1eafSConrad Meyer * in the COPYING file in the root directory of this source tree). 84d3f1eafSConrad Meyer * You may select, at your option, one of the above-listed licenses. 94d3f1eafSConrad Meyer */ 104d3f1eafSConrad Meyer 114d3f1eafSConrad Meyer #ifndef ZSTD_COMPRESS_SEQUENCES_H 124d3f1eafSConrad Meyer #define ZSTD_COMPRESS_SEQUENCES_H 134d3f1eafSConrad Meyer 1437f1f268SConrad Meyer #include "../common/fse.h" /* FSE_repeat, FSE_CTable */ 1537f1f268SConrad Meyer #include "../common/zstd_internal.h" /* symbolEncodingType_e, ZSTD_strategy */ 164d3f1eafSConrad Meyer 174d3f1eafSConrad Meyer typedef enum { 184d3f1eafSConrad Meyer ZSTD_defaultDisallowed = 0, 194d3f1eafSConrad Meyer ZSTD_defaultAllowed = 1 204d3f1eafSConrad Meyer } ZSTD_defaultPolicy_e; 214d3f1eafSConrad Meyer 224d3f1eafSConrad Meyer symbolEncodingType_e 234d3f1eafSConrad Meyer ZSTD_selectEncodingType( 244d3f1eafSConrad Meyer FSE_repeat* repeatMode, unsigned const* count, unsigned const max, 254d3f1eafSConrad Meyer size_t const mostFrequent, size_t nbSeq, unsigned const FSELog, 264d3f1eafSConrad Meyer FSE_CTable const* prevCTable, 274d3f1eafSConrad Meyer short const* defaultNorm, U32 defaultNormLog, 284d3f1eafSConrad Meyer ZSTD_defaultPolicy_e const isDefaultAllowed, 294d3f1eafSConrad Meyer ZSTD_strategy const strategy); 304d3f1eafSConrad Meyer 314d3f1eafSConrad Meyer size_t 324d3f1eafSConrad Meyer ZSTD_buildCTable(void* dst, size_t dstCapacity, 334d3f1eafSConrad Meyer FSE_CTable* nextCTable, U32 FSELog, symbolEncodingType_e type, 344d3f1eafSConrad Meyer unsigned* count, U32 max, 354d3f1eafSConrad Meyer const BYTE* codeTable, size_t nbSeq, 364d3f1eafSConrad Meyer const S16* defaultNorm, U32 defaultNormLog, U32 defaultMax, 374d3f1eafSConrad Meyer const FSE_CTable* prevCTable, size_t prevCTableSize, 389cbefe25SConrad Meyer void* entropyWorkspace, size_t entropyWorkspaceSize); 394d3f1eafSConrad Meyer 404d3f1eafSConrad Meyer size_t ZSTD_encodeSequences( 414d3f1eafSConrad Meyer void* dst, size_t dstCapacity, 424d3f1eafSConrad Meyer FSE_CTable const* CTable_MatchLength, BYTE const* mlCodeTable, 434d3f1eafSConrad Meyer FSE_CTable const* CTable_OffsetBits, BYTE const* ofCodeTable, 444d3f1eafSConrad Meyer FSE_CTable const* CTable_LitLength, BYTE const* llCodeTable, 454d3f1eafSConrad Meyer seqDef const* sequences, size_t nbSeq, int longOffsets, int bmi2); 464d3f1eafSConrad Meyer 4737f1f268SConrad Meyer size_t ZSTD_fseBitCost( 4837f1f268SConrad Meyer FSE_CTable const* ctable, 4937f1f268SConrad Meyer unsigned const* count, 5037f1f268SConrad Meyer unsigned const max); 5137f1f268SConrad Meyer 5237f1f268SConrad Meyer size_t ZSTD_crossEntropyCost(short const* norm, unsigned accuracyLog, 5337f1f268SConrad Meyer unsigned const* count, unsigned const max); 544d3f1eafSConrad Meyer #endif /* ZSTD_COMPRESS_SEQUENCES_H */ 55