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Add new zstd 1.3.0 files and update version numbers
- pool.c, zstdmt_compress.c and some more header files are needed now - improved manifest files for 7-zip.dll, 7zG.exe and 7zFM.exe - update README and version numbers for release 1.3.0 R1
This commit is contained in:
114
C/zstd/zstdmt_compress.h
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114
C/zstd/zstdmt_compress.h
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/**
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* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#ifndef ZSTDMT_COMPRESS_H
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#define ZSTDMT_COMPRESS_H
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#if defined (__cplusplus)
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extern "C" {
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#endif
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/* Note : All prototypes defined in this file are labelled experimental.
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* No guarantee of API continuity is provided on any of them.
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* In fact, the expectation is that these prototypes will be replaced
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* by ZSTD_compress_generic() API in the near future */
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/* === Dependencies === */
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#include <stddef.h> /* size_t */
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#define ZSTD_STATIC_LINKING_ONLY /* ZSTD_parameters */
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#include "zstd.h" /* ZSTD_inBuffer, ZSTD_outBuffer, ZSTDLIB_API */
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/* === Memory management === */
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typedef struct ZSTDMT_CCtx_s ZSTDMT_CCtx;
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ZSTDLIB_API ZSTDMT_CCtx* ZSTDMT_createCCtx(unsigned nbThreads);
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ZSTDLIB_API ZSTDMT_CCtx* ZSTDMT_createCCtx_advanced(unsigned nbThreads,
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ZSTD_customMem cMem);
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ZSTDLIB_API size_t ZSTDMT_freeCCtx(ZSTDMT_CCtx* mtctx);
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ZSTDLIB_API size_t ZSTDMT_sizeof_CCtx(ZSTDMT_CCtx* mtctx);
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/* === Simple buffer-to-butter one-pass function === */
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ZSTDLIB_API size_t ZSTDMT_compressCCtx(ZSTDMT_CCtx* mtctx,
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void* dst, size_t dstCapacity,
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const void* src, size_t srcSize,
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int compressionLevel);
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/* === Streaming functions === */
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ZSTDLIB_API size_t ZSTDMT_initCStream(ZSTDMT_CCtx* mtctx, int compressionLevel);
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ZSTDLIB_API size_t ZSTDMT_resetCStream(ZSTDMT_CCtx* mtctx, unsigned long long pledgedSrcSize); /**< pledgedSrcSize is optional and can be zero == unknown */
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ZSTDLIB_API size_t ZSTDMT_compressStream(ZSTDMT_CCtx* mtctx, ZSTD_outBuffer* output, ZSTD_inBuffer* input);
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ZSTDLIB_API size_t ZSTDMT_flushStream(ZSTDMT_CCtx* mtctx, ZSTD_outBuffer* output); /**< @return : 0 == all flushed; >0 : still some data to be flushed; or an error code (ZSTD_isError()) */
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ZSTDLIB_API size_t ZSTDMT_endStream(ZSTDMT_CCtx* mtctx, ZSTD_outBuffer* output); /**< @return : 0 == all flushed; >0 : still some data to be flushed; or an error code (ZSTD_isError()) */
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/* === Advanced functions and parameters === */
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#ifndef ZSTDMT_SECTION_SIZE_MIN
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# define ZSTDMT_SECTION_SIZE_MIN (1U << 20) /* 1 MB - Minimum size of each compression job */
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#endif
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ZSTDLIB_API size_t ZSTDMT_compress_advanced(ZSTDMT_CCtx* mtctx,
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void* dst, size_t dstCapacity,
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const void* src, size_t srcSize,
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const ZSTD_CDict* cdict,
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ZSTD_parameters const params,
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unsigned overlapRLog);
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ZSTDLIB_API size_t ZSTDMT_initCStream_advanced(ZSTDMT_CCtx* mtctx,
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const void* dict, size_t dictSize, /* dict can be released after init, a local copy is preserved within zcs */
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ZSTD_parameters params,
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unsigned long long pledgedSrcSize); /* pledgedSrcSize is optional and can be zero == unknown */
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ZSTDLIB_API size_t ZSTDMT_initCStream_usingCDict(ZSTDMT_CCtx* mtctx,
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const ZSTD_CDict* cdict,
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ZSTD_frameParameters fparams,
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unsigned long long pledgedSrcSize); /* note : zero means empty */
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/* ZSDTMT_parameter :
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* List of parameters that can be set using ZSTDMT_setMTCtxParameter() */
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typedef enum {
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ZSTDMT_p_sectionSize, /* size of input "section". Each section is compressed in parallel. 0 means default, which is dynamically determined within compression functions */
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ZSTDMT_p_overlapSectionLog /* Log of overlapped section; 0 == no overlap, 6(default) == use 1/8th of window, >=9 == use full window */
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} ZSDTMT_parameter;
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/* ZSTDMT_setMTCtxParameter() :
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* allow setting individual parameters, one at a time, among a list of enums defined in ZSTDMT_parameter.
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* The function must be called typically after ZSTD_createCCtx().
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* Parameters not explicitly reset by ZSTDMT_init*() remain the same in consecutive compression sessions.
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* @return : 0, or an error code (which can be tested using ZSTD_isError()) */
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ZSTDLIB_API size_t ZSTDMT_setMTCtxParameter(ZSTDMT_CCtx* mtctx, ZSDTMT_parameter parameter, unsigned value);
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/*! ZSTDMT_compressStream_generic() :
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* Combines ZSTDMT_compressStream() with ZSTDMT_flushStream() or ZSTDMT_endStream()
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* depending on flush directive.
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* @return : minimum amount of data still to be flushed
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* 0 if fully flushed
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* or an error code */
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ZSTDLIB_API size_t ZSTDMT_compressStream_generic(ZSTDMT_CCtx* mtctx,
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ZSTD_outBuffer* output,
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ZSTD_inBuffer* input,
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ZSTD_EndDirective endOp);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* ZSTDMT_COMPRESS_H */
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