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zstd_compress_sequences.h
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1/*
2 * Copyright (c) 2016-2020, Yann Collet, Facebook, Inc.
3 * All rights reserved.
4 *
5 * This source code is licensed under both the BSD-style license (found in the
6 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
7 * in the COPYING file in the root directory of this source tree).
8 * You may select, at your option, one of the above-listed licenses.
9 */
10
11#ifndef ZSTD_COMPRESS_SEQUENCES_H
12#define ZSTD_COMPRESS_SEQUENCES_H
13
14#include "fse.h" /* FSE_repeat, FSE_CTable */
15#include "zstd_internal.h" /* symbolEncodingType_e, ZSTD_strategy */
16
17typedef enum {
21
24 FSE_repeat* repeatMode, unsigned const* count, unsigned const max,
25 size_t const mostFrequent, size_t nbSeq, unsigned const FSELog,
26 FSE_CTable const* prevCTable,
27 short const* defaultNorm, U32 defaultNormLog,
28 ZSTD_defaultPolicy_e const isDefaultAllowed,
29 ZSTD_strategy const strategy);
30
31size_t
32ZSTD_buildCTable(void* dst, size_t dstCapacity,
33 FSE_CTable* nextCTable, U32 FSELog, symbolEncodingType_e type,
34 unsigned* count, U32 max,
35 const BYTE* codeTable, size_t nbSeq,
36 const S16* defaultNorm, U32 defaultNormLog, U32 defaultMax,
37 const FSE_CTable* prevCTable, size_t prevCTableSize,
38 void* entropyWorkspace, size_t entropyWorkspaceSize);
39
41 void* dst, size_t dstCapacity,
42 FSE_CTable const* CTable_MatchLength, BYTE const* mlCodeTable,
43 FSE_CTable const* CTable_OffsetBits, BYTE const* ofCodeTable,
44 FSE_CTable const* CTable_LitLength, BYTE const* llCodeTable,
45 seqDef const* sequences, size_t nbSeq, int longOffsets, int bmi2);
46
47size_t ZSTD_fseBitCost(
48 FSE_CTable const* ctable,
49 unsigned const* count,
50 unsigned const max);
51
52size_t ZSTD_crossEntropyCost(short const* norm, unsigned accuracyLog,
53 unsigned const* count, unsigned const max);
54#endif /* ZSTD_COMPRESS_SEQUENCES_H */
_Tp _STLP_CALL norm(const complex< _Tp > &__z)
Definition: _complex.h:741
static _Locale_mask_t ctable[256]
signed short S16
Definition: mem.h:146
unsigned FSE_CTable
Definition: fse.h:160
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
GLuint GLuint GLsizei count
Definition: gl.h:1545
GLenum GLenum dst
Definition: glext.h:6340
static struct msg_sequence * sequences[NUM_MSG_SEQUENCES]
Definition: button.c:54
#define max(a, b)
Definition: svc.c:63
unsigned char BYTE
Definition: xxhash.c:193
unsigned int U32
Definition: xxhash.c:195
ZSTD_strategy
Definition: zstd.h:251
size_t ZSTD_crossEntropyCost(short const *norm, unsigned accuracyLog, unsigned const *count, unsigned const max)
ZSTD_defaultPolicy_e
@ ZSTD_defaultAllowed
@ ZSTD_defaultDisallowed
size_t ZSTD_fseBitCost(FSE_CTable const *ctable, unsigned const *count, unsigned const max)
size_t ZSTD_buildCTable(void *dst, size_t dstCapacity, FSE_CTable *nextCTable, U32 FSELog, symbolEncodingType_e type, unsigned *count, U32 max, const BYTE *codeTable, size_t nbSeq, const S16 *defaultNorm, U32 defaultNormLog, U32 defaultMax, const FSE_CTable *prevCTable, size_t prevCTableSize, void *entropyWorkspace, size_t entropyWorkspaceSize)
symbolEncodingType_e ZSTD_selectEncodingType(FSE_repeat *repeatMode, unsigned const *count, unsigned const max, size_t const mostFrequent, size_t nbSeq, unsigned const FSELog, FSE_CTable const *prevCTable, short const *defaultNorm, U32 defaultNormLog, ZSTD_defaultPolicy_e const isDefaultAllowed, ZSTD_strategy const strategy)
size_t ZSTD_encodeSequences(void *dst, size_t dstCapacity, FSE_CTable const *CTable_MatchLength, BYTE const *mlCodeTable, FSE_CTable const *CTable_OffsetBits, BYTE const *ofCodeTable, FSE_CTable const *CTable_LitLength, BYTE const *llCodeTable, seqDef const *sequences, size_t nbSeq, int longOffsets, int bmi2)
symbolEncodingType_e