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Merge pull request #995 from facebook/progressiveMT

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Progressive mt
This commit is contained in:
Yann Collet
2018-01-18 17:59:49 -08:00
committed by GitHub
parent 31f45c98f8 b6ab232f2d
commit d19dc1903c
7 changed files with 139 additions and 23 deletions
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lib/zstd.h
+17 -1
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@@ -713,11 +713,27 @@ ZSTDLIB_API size_t ZSTD_initCStream_usingCDict_advanced(ZSTD_CStream* zcs, const
* If pledgedSrcSize is not known at reset time, use macro ZSTD_CONTENTSIZE_UNKNOWN.
* If pledgedSrcSize > 0, its value must be correct, as it will be written in header, and controlled at the end.
* For the time being, pledgedSrcSize==0 is interpreted as "srcSize unknown" for compatibility with older programs,
* but it may change to mean "empty" in some future version, so prefer using macro ZSTD_CONTENTSIZE_UNKNOWN.
* but it will change to mean "empty" in future version, so use macro ZSTD_CONTENTSIZE_UNKNOWN instead.
* @return : 0, or an error code (which can be tested using ZSTD_isError()) */
ZSTDLIB_API size_t ZSTD_resetCStream(ZSTD_CStream* zcs, unsigned long long pledgedSrcSize);
typedef struct {
unsigned long long ingested;
unsigned long long consumed;
unsigned long long produced;
} ZSTD_frameProgression;
/* ZSTD_getFrameProgression():
* tells how much data has been ingested (read from input)
* consumed (input actually compressed) and produced (output) for current frame.
* Therefore, (ingested - consumed) is amount of input data buffered internally, not yet compressed.
* Can report progression inside worker threads (multi-threading and non-blocking mode).
*/
ZSTD_frameProgression ZSTD_getFrameProgression(const ZSTD_CCtx* cctx);
/*===== Advanced Streaming decompression functions =====*/
typedef enum { DStream_p_maxWindowSize } ZSTD_DStreamParameter_e;
ZSTDLIB_API size_t ZSTD_setDStreamParameter(ZSTD_DStream* zds, ZSTD_DStreamParameter_e paramType, unsigned paramValue); /* obsolete : this API will be removed in a future version */