mirror of
https://github.com/RetroDECK/Duckstation.git
synced 2024-11-23 06:15:38 +00:00
55 lines
2.1 KiB
C
55 lines
2.1 KiB
C
/*
|
|
* Copyright (c) Yann Collet, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under both the BSD-style license (found in the
|
|
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
|
|
* in the COPYING file in the root directory of this source tree).
|
|
* You may select, at your option, one of the above-listed licenses.
|
|
*/
|
|
|
|
#ifndef ZSTD_COMPRESS_SEQUENCES_H
|
|
#define ZSTD_COMPRESS_SEQUENCES_H
|
|
|
|
#include "../common/fse.h" /* FSE_repeat, FSE_CTable */
|
|
#include "../common/zstd_internal.h" /* symbolEncodingType_e, ZSTD_strategy */
|
|
|
|
typedef enum {
|
|
ZSTD_defaultDisallowed = 0,
|
|
ZSTD_defaultAllowed = 1
|
|
} ZSTD_defaultPolicy_e;
|
|
|
|
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_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);
|
|
|
|
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);
|
|
|
|
size_t ZSTD_fseBitCost(
|
|
FSE_CTable const* ctable,
|
|
unsigned const* count,
|
|
unsigned const max);
|
|
|
|
size_t ZSTD_crossEntropyCost(short const* norm, unsigned accuracyLog,
|
|
unsigned const* count, unsigned const max);
|
|
#endif /* ZSTD_COMPRESS_SEQUENCES_H */
|