added : ZSTD_compress_usingPreparedCCtx()
This commit is contained in:
Yann Collet
+134
-14
@@ -2143,20 +2143,6 @@ size_t ZSTD_compressBegin_advanced(ZSTD_CCtx* zc,
|
||||
}
|
||||
|
||||
|
||||
/** ZSTD_getParams
|
||||
* return ZSTD_parameters structure for a selected compression level and srcSize.
|
||||
* srcSizeHint value is optional, select 0 if not known */
|
||||
ZSTD_parameters ZSTD_getParams(int compressionLevel, U64 srcSizeHint)
|
||||
{
|
||||
ZSTD_parameters result;
|
||||
int tableID = ((srcSizeHint-1) <= 256 KB) + ((srcSizeHint-1) <= 128 KB) + ((srcSizeHint-1) <= 16 KB); /* intentional underflow for srcSizeHint == 0 */
|
||||
if (compressionLevel<=0) compressionLevel = 1;
|
||||
if (compressionLevel > ZSTD_MAX_CLEVEL) compressionLevel = ZSTD_MAX_CLEVEL;
|
||||
result = ZSTD_defaultParameters[tableID][compressionLevel];
|
||||
result.srcSize = srcSizeHint;
|
||||
return result;
|
||||
}
|
||||
|
||||
size_t ZSTD_compressBegin_usingDict(ZSTD_CCtx* zc, const void* dict, size_t dictSize, int compressionLevel)
|
||||
{
|
||||
return ZSTD_compressBegin_advanced(zc, dict, dictSize, ZSTD_getParams(compressionLevel, 0));
|
||||
@@ -2195,6 +2181,24 @@ size_t ZSTD_compressEnd(ZSTD_CCtx* zc, void* dst, size_t maxDstSize)
|
||||
return 3+hbSize;
|
||||
}
|
||||
|
||||
|
||||
size_t ZSTD_compress_usingPreparedCCtx(ZSTD_CCtx* cctx, const ZSTD_CCtx* preparedCCtx,
|
||||
void* dst, size_t maxDstSize,
|
||||
const void* src, size_t srcSize)
|
||||
{
|
||||
size_t outSize;
|
||||
size_t errorCode = ZSTD_copyCCtx(cctx, preparedCCtx);
|
||||
if (ZSTD_isError(errorCode)) return errorCode;
|
||||
errorCode = ZSTD_compressContinue(cctx, dst, maxDstSize, src, srcSize);
|
||||
if (ZSTD_isError(errorCode)) return errorCode;
|
||||
outSize = errorCode;
|
||||
errorCode = ZSTD_compressEnd(cctx, (char*)dst+outSize, maxDstSize-outSize);
|
||||
if (ZSTD_isError(errorCode)) return errorCode;
|
||||
outSize += errorCode;
|
||||
return outSize;
|
||||
}
|
||||
|
||||
|
||||
size_t ZSTD_compress_advanced (ZSTD_CCtx* ctx,
|
||||
void* dst, size_t maxDstSize,
|
||||
const void* src, size_t srcSize,
|
||||
@@ -2243,3 +2247,119 @@ size_t ZSTD_compress(void* dst, size_t maxDstSize, const void* src, size_t srcSi
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/*- Pre-defined compression levels -*/
|
||||
|
||||
static const ZSTD_parameters ZSTD_defaultParameters[4][ZSTD_MAX_CLEVEL+1] = {
|
||||
{ /* "default" */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 18, 12, 12, 1, 4, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 19, 13, 14, 1, 7, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 19, 15, 16, 1, 6, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 20, 18, 20, 1, 6, ZSTD_fast }, /* level 3 */
|
||||
{ 0, 21, 19, 21, 1, 6, ZSTD_fast }, /* level 4 */
|
||||
{ 0, 20, 14, 18, 3, 5, ZSTD_greedy }, /* level 5 */
|
||||
{ 0, 20, 18, 19, 3, 5, ZSTD_greedy }, /* level 6 */
|
||||
{ 0, 21, 17, 20, 3, 5, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 21, 19, 20, 3, 5, ZSTD_lazy }, /* level 8 */
|
||||
{ 0, 21, 20, 20, 3, 5, ZSTD_lazy2 }, /* level 9 */
|
||||
{ 0, 21, 19, 21, 4, 5, ZSTD_lazy2 }, /* level 10 */
|
||||
{ 0, 22, 20, 22, 4, 5, ZSTD_lazy2 }, /* level 11 */
|
||||
{ 0, 22, 20, 22, 5, 5, ZSTD_lazy2 }, /* level 12 */
|
||||
{ 0, 22, 21, 22, 5, 5, ZSTD_lazy2 }, /* level 13 */
|
||||
{ 0, 22, 22, 23, 5, 5, ZSTD_lazy2 }, /* level 14 */
|
||||
{ 0, 23, 23, 23, 5, 5, ZSTD_lazy2 }, /* level 15 */
|
||||
{ 0, 23, 21, 22, 5, 5, ZSTD_btlazy2 }, /* level 16 */
|
||||
{ 0, 23, 24, 23, 4, 5, ZSTD_btlazy2 }, /* level 17 */
|
||||
{ 0, 25, 24, 23, 5, 5, ZSTD_btlazy2 }, /* level 18 */
|
||||
{ 0, 25, 26, 23, 5, 5, ZSTD_btlazy2 }, /* level 19 */
|
||||
{ 0, 26, 27, 25, 9, 5, ZSTD_btlazy2 }, /* level 20 */
|
||||
},
|
||||
{ /* for srcSize <= 256 KB */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 18, 13, 14, 1, 7, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 18, 14, 15, 1, 6, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 18, 14, 15, 1, 5, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 18, 12, 15, 3, 4, ZSTD_greedy }, /* level 3 */
|
||||
{ 0, 18, 13, 15, 4, 4, ZSTD_greedy }, /* level 4 */
|
||||
{ 0, 18, 14, 15, 5, 4, ZSTD_greedy }, /* level 5 */
|
||||
{ 0, 18, 13, 15, 4, 4, ZSTD_lazy }, /* level 6 */
|
||||
{ 0, 18, 14, 16, 5, 4, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 18, 15, 16, 6, 4, ZSTD_lazy }, /* level 8 */
|
||||
{ 0, 18, 15, 15, 7, 4, ZSTD_lazy }, /* level 9 */
|
||||
{ 0, 18, 16, 16, 7, 4, ZSTD_lazy }, /* level 10 */
|
||||
{ 0, 18, 16, 16, 8, 4, ZSTD_lazy }, /* level 11 */
|
||||
{ 0, 18, 17, 16, 8, 4, ZSTD_lazy }, /* level 12 */
|
||||
{ 0, 18, 17, 16, 9, 4, ZSTD_lazy }, /* level 13 */
|
||||
{ 0, 18, 18, 16, 9, 4, ZSTD_lazy }, /* level 14 */
|
||||
{ 0, 18, 17, 17, 9, 4, ZSTD_lazy2 }, /* level 15 */
|
||||
{ 0, 18, 18, 18, 9, 4, ZSTD_lazy2 }, /* level 16 */
|
||||
{ 0, 18, 18, 18, 10, 4, ZSTD_lazy2 }, /* level 17 */
|
||||
{ 0, 18, 18, 18, 11, 4, ZSTD_lazy2 }, /* level 18 */
|
||||
{ 0, 18, 18, 18, 12, 4, ZSTD_lazy2 }, /* level 19 */
|
||||
{ 0, 18, 18, 18, 13, 4, ZSTD_lazy2 }, /* level 20 */
|
||||
},
|
||||
{ /* for srcSize <= 128 KB */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 17, 12, 12, 1, 4, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 17, 12, 13, 1, 6, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 17, 14, 16, 1, 5, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 17, 15, 17, 1, 5, ZSTD_fast }, /* level 3 */
|
||||
{ 0, 17, 13, 15, 2, 4, ZSTD_greedy }, /* level 4 */
|
||||
{ 0, 17, 15, 17, 3, 4, ZSTD_greedy }, /* level 5 */
|
||||
{ 0, 17, 14, 17, 3, 4, ZSTD_lazy }, /* level 6 */
|
||||
{ 0, 17, 16, 17, 4, 4, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 17, 16, 17, 4, 4, ZSTD_lazy2 }, /* level 8 */
|
||||
{ 0, 17, 17, 16, 5, 4, ZSTD_lazy2 }, /* level 9 */
|
||||
{ 0, 17, 17, 16, 6, 4, ZSTD_lazy2 }, /* level 10 */
|
||||
{ 0, 17, 17, 16, 7, 4, ZSTD_lazy2 }, /* level 11 */
|
||||
{ 0, 17, 17, 16, 8, 4, ZSTD_lazy2 }, /* level 12 */
|
||||
{ 0, 17, 18, 16, 4, 4, ZSTD_btlazy2 }, /* level 13 */
|
||||
{ 0, 17, 18, 16, 5, 4, ZSTD_btlazy2 }, /* level 14 */
|
||||
{ 0, 17, 18, 16, 6, 4, ZSTD_btlazy2 }, /* level 15 */
|
||||
{ 0, 17, 18, 16, 7, 4, ZSTD_btlazy2 }, /* level 16 */
|
||||
{ 0, 17, 18, 16, 8, 4, ZSTD_btlazy2 }, /* level 17 */
|
||||
{ 0, 17, 18, 16, 9, 4, ZSTD_btlazy2 }, /* level 18 */
|
||||
{ 0, 17, 18, 16, 10, 4, ZSTD_btlazy2 }, /* level 19 */
|
||||
{ 0, 17, 18, 18, 12, 4, ZSTD_btlazy2 }, /* level 20 */
|
||||
},
|
||||
{ /* for srcSize <= 16 KB */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 0, 0, 0, 0, 0, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 14, 14, 14, 1, 4, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 14, 14, 16, 1, 4, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 14, 14, 14, 5, 4, ZSTD_greedy }, /* level 3 */
|
||||
{ 0, 14, 14, 14, 8, 4, ZSTD_greedy }, /* level 4 */
|
||||
{ 0, 14, 11, 14, 6, 4, ZSTD_lazy }, /* level 5 */
|
||||
{ 0, 14, 14, 13, 6, 5, ZSTD_lazy }, /* level 6 */
|
||||
{ 0, 14, 14, 14, 7, 6, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 14, 14, 14, 8, 4, ZSTD_lazy }, /* level 8 */
|
||||
{ 0, 14, 14, 15, 9, 4, ZSTD_lazy }, /* level 9 */
|
||||
{ 0, 14, 14, 15, 10, 4, ZSTD_lazy }, /* level 10 */
|
||||
{ 0, 14, 15, 15, 6, 4, ZSTD_btlazy2 }, /* level 11 */
|
||||
{ 0, 14, 15, 15, 7, 4, ZSTD_btlazy2 }, /* level 12 */
|
||||
{ 0, 14, 15, 15, 8, 4, ZSTD_btlazy2 }, /* level 13 */
|
||||
{ 0, 14, 15, 15, 9, 4, ZSTD_btlazy2 }, /* level 14 */
|
||||
{ 0, 14, 15, 15, 10, 4, ZSTD_btlazy2 }, /* level 15 */
|
||||
{ 0, 14, 15, 15, 11, 4, ZSTD_btlazy2 }, /* level 16 */
|
||||
{ 0, 14, 15, 15, 12, 4, ZSTD_btlazy2 }, /* level 17 */
|
||||
{ 0, 14, 15, 15, 13, 4, ZSTD_btlazy2 }, /* level 18 */
|
||||
{ 0, 14, 15, 15, 14, 4, ZSTD_btlazy2 }, /* level 19 */
|
||||
{ 0, 14, 15, 15, 15, 4, ZSTD_btlazy2 }, /* level 20 */
|
||||
},
|
||||
};
|
||||
|
||||
/*! ZSTD_getParams
|
||||
* @return ZSTD_parameters structure for a selected compression level and srcSize.
|
||||
* @srcSizeHint value is optional, select 0 if not known */
|
||||
ZSTD_parameters ZSTD_getParams(int compressionLevel, U64 srcSizeHint)
|
||||
{
|
||||
ZSTD_parameters result;
|
||||
int tableID = ((srcSizeHint-1) <= 256 KB) + ((srcSizeHint-1) <= 128 KB) + ((srcSizeHint-1) <= 16 KB); /* intentional underflow for srcSizeHint == 0 */
|
||||
if (compressionLevel<=0) compressionLevel = 1;
|
||||
if (compressionLevel > ZSTD_MAX_CLEVEL) compressionLevel = ZSTD_MAX_CLEVEL;
|
||||
result = ZSTD_defaultParameters[tableID][compressionLevel];
|
||||
result.srcSize = srcSizeHint;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
+20
-106
@@ -82,16 +82,16 @@ typedef struct
|
||||
/* *************************************
|
||||
* Advanced functions
|
||||
***************************************/
|
||||
/** ZSTD_getParams
|
||||
* return ZSTD_parameters structure for a selected compression level and srcSize.
|
||||
* srcSizeHint value is optional, select 0 if not known */
|
||||
/*! ZSTD_getParams
|
||||
* @return ZSTD_parameters structure for a selected compression level and srcSize.
|
||||
* @srcSizeHint value is optional, select 0 if not known */
|
||||
ZSTDLIB_API ZSTD_parameters ZSTD_getParams(int compressionLevel, U64 srcSizeHint);
|
||||
|
||||
/** ZSTD_validateParams
|
||||
/*! ZSTD_validateParams
|
||||
* correct params value to remain within authorized range */
|
||||
ZSTDLIB_API void ZSTD_validateParams(ZSTD_parameters* params);
|
||||
|
||||
/** ZSTD_compress_usingDict
|
||||
/*! ZSTD_compress_usingDict
|
||||
* Same as ZSTD_compressCCtx(), loading a Dictionary content.
|
||||
* Note : dict can be NULL, in which case, it's equivalent to ZSTD_compressCCtx() */
|
||||
ZSTDLIB_API size_t ZSTD_compress_usingDict(ZSTD_CCtx* ctx,
|
||||
@@ -100,7 +100,7 @@ ZSTDLIB_API size_t ZSTD_compress_usingDict(ZSTD_CCtx* ctx,
|
||||
const void* dict,size_t dictSize,
|
||||
int compressionLevel);
|
||||
|
||||
/** ZSTD_compress_advanced
|
||||
/*! ZSTD_compress_advanced
|
||||
* Same as ZSTD_compress_usingDict(), with fine-tune control of each compression parameter */
|
||||
ZSTDLIB_API size_t ZSTD_compress_advanced (ZSTD_CCtx* ctx,
|
||||
void* dst, size_t maxDstSize,
|
||||
@@ -108,6 +108,18 @@ ZSTDLIB_API size_t ZSTD_compress_advanced (ZSTD_CCtx* ctx,
|
||||
const void* dict,size_t dictSize,
|
||||
ZSTD_parameters params);
|
||||
|
||||
/*! ZSTD_compress_usingPreparedDCtx
|
||||
* Same as ZSTD_compress_usingDict, but using a reference context preparedCCtx, where dictionary has been loaded.
|
||||
* It avoids reloading the dictionary each time.
|
||||
* preparedCCtx must have been properly initialized using ZSTD_compressBegin_usingDict() or ZSTD_compressBegin_advanced()
|
||||
* Requires 2 contexts : 1 for reference, which will not be modified, and 1 to run the compression operation */
|
||||
ZSTDLIB_API size_t ZSTD_compress_usingPreparedCCtx(
|
||||
ZSTD_CCtx* cctx, const ZSTD_CCtx* preparedCCtx,
|
||||
void* dst, size_t maxDstSize,
|
||||
const void* src, size_t srcSize);
|
||||
|
||||
/*- Advanced Decompression functions -*/
|
||||
|
||||
/*! ZSTD_decompress_usingDict
|
||||
* Same as ZSTD_decompressDCtx, using a Dictionary content as prefix
|
||||
* Note : dict can be NULL, in which case, it's equivalent to ZSTD_decompressDCtx() */
|
||||
@@ -117,9 +129,9 @@ ZSTDLIB_API size_t ZSTD_decompress_usingDict(ZSTD_DCtx* dctx,
|
||||
const void* dict,size_t dictSize);
|
||||
|
||||
/*! ZSTD_decompress_usingPreparedDCtx
|
||||
* Same as ZSTD_decompress_usingDict, but using a reference context preparedDCtx, where dictionary has already been loaded into.
|
||||
* Same as ZSTD_decompress_usingDict, but using a reference context preparedDCtx, where dictionary has been loaded.
|
||||
* It avoids reloading the dictionary each time.
|
||||
* preparedDCtx must have been properly initialized using ZSTD_compressBegin_usingDict().
|
||||
* preparedDCtx must have been properly initialized using ZSTD_decompressBegin_usingDict().
|
||||
* Requires 2 contexts : 1 for reference, which will not be modified, and 1 to run the decompression operation */
|
||||
ZSTDLIB_API size_t ZSTD_decompress_usingPreparedDCtx(
|
||||
ZSTD_DCtx* dctx, const ZSTD_DCtx* preparedDCtx,
|
||||
@@ -233,104 +245,6 @@ size_t ZSTD_decompressBlock(ZSTD_DCtx* dctx, void* dst, size_t maxDstSize, const
|
||||
***************************************/
|
||||
#define ZSTD_MAX_CLEVEL 20
|
||||
ZSTDLIB_API unsigned ZSTD_maxCLevel (void);
|
||||
static const ZSTD_parameters ZSTD_defaultParameters[4][ZSTD_MAX_CLEVEL+1] = {
|
||||
{ /* "default" */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 18, 12, 12, 1, 4, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 19, 13, 14, 1, 7, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 19, 15, 16, 1, 6, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 20, 18, 20, 1, 6, ZSTD_fast }, /* level 3 */
|
||||
{ 0, 21, 19, 21, 1, 6, ZSTD_fast }, /* level 4 */
|
||||
{ 0, 20, 14, 18, 3, 5, ZSTD_greedy }, /* level 5 */
|
||||
{ 0, 20, 18, 19, 3, 5, ZSTD_greedy }, /* level 6 */
|
||||
{ 0, 21, 17, 20, 3, 5, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 21, 19, 20, 3, 5, ZSTD_lazy }, /* level 8 */
|
||||
{ 0, 21, 20, 20, 3, 5, ZSTD_lazy2 }, /* level 9 */
|
||||
{ 0, 21, 19, 21, 4, 5, ZSTD_lazy2 }, /* level 10 */
|
||||
{ 0, 22, 20, 22, 4, 5, ZSTD_lazy2 }, /* level 11 */
|
||||
{ 0, 22, 20, 22, 5, 5, ZSTD_lazy2 }, /* level 12 */
|
||||
{ 0, 22, 21, 22, 5, 5, ZSTD_lazy2 }, /* level 13 */
|
||||
{ 0, 22, 22, 23, 5, 5, ZSTD_lazy2 }, /* level 14 */
|
||||
{ 0, 23, 23, 23, 5, 5, ZSTD_lazy2 }, /* level 15 */
|
||||
{ 0, 23, 21, 22, 5, 5, ZSTD_btlazy2 }, /* level 16 */
|
||||
{ 0, 23, 24, 23, 4, 5, ZSTD_btlazy2 }, /* level 17 */
|
||||
{ 0, 25, 24, 23, 5, 5, ZSTD_btlazy2 }, /* level 18 */
|
||||
{ 0, 25, 26, 23, 5, 5, ZSTD_btlazy2 }, /* level 19 */
|
||||
{ 0, 26, 27, 25, 9, 5, ZSTD_btlazy2 }, /* level 20 */
|
||||
},
|
||||
{ /* for srcSize <= 256 KB */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 18, 13, 14, 1, 7, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 18, 14, 15, 1, 6, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 18, 14, 15, 1, 5, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 18, 12, 15, 3, 4, ZSTD_greedy }, /* level 3 */
|
||||
{ 0, 18, 13, 15, 4, 4, ZSTD_greedy }, /* level 4 */
|
||||
{ 0, 18, 14, 15, 5, 4, ZSTD_greedy }, /* level 5 */
|
||||
{ 0, 18, 13, 15, 4, 4, ZSTD_lazy }, /* level 6 */
|
||||
{ 0, 18, 14, 16, 5, 4, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 18, 15, 16, 6, 4, ZSTD_lazy }, /* level 8 */
|
||||
{ 0, 18, 15, 15, 7, 4, ZSTD_lazy }, /* level 9 */
|
||||
{ 0, 18, 16, 16, 7, 4, ZSTD_lazy }, /* level 10 */
|
||||
{ 0, 18, 16, 16, 8, 4, ZSTD_lazy }, /* level 11 */
|
||||
{ 0, 18, 17, 16, 8, 4, ZSTD_lazy }, /* level 12 */
|
||||
{ 0, 18, 17, 16, 9, 4, ZSTD_lazy }, /* level 13 */
|
||||
{ 0, 18, 18, 16, 9, 4, ZSTD_lazy }, /* level 14 */
|
||||
{ 0, 18, 17, 17, 9, 4, ZSTD_lazy2 }, /* level 15 */
|
||||
{ 0, 18, 18, 18, 9, 4, ZSTD_lazy2 }, /* level 16 */
|
||||
{ 0, 18, 18, 18, 10, 4, ZSTD_lazy2 }, /* level 17 */
|
||||
{ 0, 18, 18, 18, 11, 4, ZSTD_lazy2 }, /* level 18 */
|
||||
{ 0, 18, 18, 18, 12, 4, ZSTD_lazy2 }, /* level 19 */
|
||||
{ 0, 18, 18, 18, 13, 4, ZSTD_lazy2 }, /* level 20 */
|
||||
},
|
||||
{ /* for srcSize <= 128 KB */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 17, 12, 12, 1, 4, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 17, 12, 13, 1, 6, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 17, 14, 16, 1, 5, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 17, 15, 17, 1, 5, ZSTD_fast }, /* level 3 */
|
||||
{ 0, 17, 13, 15, 2, 4, ZSTD_greedy }, /* level 4 */
|
||||
{ 0, 17, 15, 17, 3, 4, ZSTD_greedy }, /* level 5 */
|
||||
{ 0, 17, 14, 17, 3, 4, ZSTD_lazy }, /* level 6 */
|
||||
{ 0, 17, 16, 17, 4, 4, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 17, 16, 17, 4, 4, ZSTD_lazy2 }, /* level 8 */
|
||||
{ 0, 17, 17, 16, 5, 4, ZSTD_lazy2 }, /* level 9 */
|
||||
{ 0, 17, 17, 16, 6, 4, ZSTD_lazy2 }, /* level 10 */
|
||||
{ 0, 17, 17, 16, 7, 4, ZSTD_lazy2 }, /* level 11 */
|
||||
{ 0, 17, 17, 16, 8, 4, ZSTD_lazy2 }, /* level 12 */
|
||||
{ 0, 17, 18, 16, 4, 4, ZSTD_btlazy2 }, /* level 13 */
|
||||
{ 0, 17, 18, 16, 5, 4, ZSTD_btlazy2 }, /* level 14 */
|
||||
{ 0, 17, 18, 16, 6, 4, ZSTD_btlazy2 }, /* level 15 */
|
||||
{ 0, 17, 18, 16, 7, 4, ZSTD_btlazy2 }, /* level 16 */
|
||||
{ 0, 17, 18, 16, 8, 4, ZSTD_btlazy2 }, /* level 17 */
|
||||
{ 0, 17, 18, 16, 9, 4, ZSTD_btlazy2 }, /* level 18 */
|
||||
{ 0, 17, 18, 16, 10, 4, ZSTD_btlazy2 }, /* level 19 */
|
||||
{ 0, 17, 18, 18, 12, 4, ZSTD_btlazy2 }, /* level 20 */
|
||||
},
|
||||
{ /* for srcSize <= 16 KB */
|
||||
/* W, C, H, S, L, strat */
|
||||
{ 0, 0, 0, 0, 0, 0, ZSTD_fast }, /* level 0 - never used */
|
||||
{ 0, 14, 14, 14, 1, 4, ZSTD_fast }, /* level 1 */
|
||||
{ 0, 14, 14, 16, 1, 4, ZSTD_fast }, /* level 2 */
|
||||
{ 0, 14, 14, 14, 5, 4, ZSTD_greedy }, /* level 3 */
|
||||
{ 0, 14, 14, 14, 8, 4, ZSTD_greedy }, /* level 4 */
|
||||
{ 0, 14, 11, 14, 6, 4, ZSTD_lazy }, /* level 5 */
|
||||
{ 0, 14, 14, 13, 6, 5, ZSTD_lazy }, /* level 6 */
|
||||
{ 0, 14, 14, 14, 7, 6, ZSTD_lazy }, /* level 7 */
|
||||
{ 0, 14, 14, 14, 8, 4, ZSTD_lazy }, /* level 8 */
|
||||
{ 0, 14, 14, 15, 9, 4, ZSTD_lazy }, /* level 9 */
|
||||
{ 0, 14, 14, 15, 10, 4, ZSTD_lazy }, /* level 10 */
|
||||
{ 0, 14, 15, 15, 6, 4, ZSTD_btlazy2 }, /* level 11 */
|
||||
{ 0, 14, 15, 15, 7, 4, ZSTD_btlazy2 }, /* level 12 */
|
||||
{ 0, 14, 15, 15, 8, 4, ZSTD_btlazy2 }, /* level 13 */
|
||||
{ 0, 14, 15, 15, 9, 4, ZSTD_btlazy2 }, /* level 14 */
|
||||
{ 0, 14, 15, 15, 10, 4, ZSTD_btlazy2 }, /* level 15 */
|
||||
{ 0, 14, 15, 15, 11, 4, ZSTD_btlazy2 }, /* level 16 */
|
||||
{ 0, 14, 15, 15, 12, 4, ZSTD_btlazy2 }, /* level 17 */
|
||||
{ 0, 14, 15, 15, 13, 4, ZSTD_btlazy2 }, /* level 18 */
|
||||
{ 0, 14, 15, 15, 14, 4, ZSTD_btlazy2 }, /* level 19 */
|
||||
{ 0, 14, 15, 15, 15, 4, ZSTD_btlazy2 }, /* level 20 */
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
/* *************************************
|
||||
|
||||
Reference in New Issue
Block a user