ReactOS  0.4.15-dev-5462-g4d0d22a
huf.h
Go to the documentation of this file.
1 /* ******************************************************************
2  * huff0 huffman codec,
3  * part of Finite State Entropy library
4  * Copyright (c) 2013-2020, Yann Collet, Facebook, Inc.
5  *
6  * You can contact the author at :
7  * - Source repository : https://github.com/Cyan4973/FiniteStateEntropy
8  *
9  * This source code is licensed under both the BSD-style license (found in the
10  * LICENSE file in the root directory of this source tree) and the GPLv2 (found
11  * in the COPYING file in the root directory of this source tree).
12  * You may select, at your option, one of the above-listed licenses.
13 ****************************************************************** */
14 
15 #if defined (__cplusplus)
16 extern "C" {
17 #endif
18 
19 #ifndef HUF_H_298734234
20 #define HUF_H_298734234
21 
22 /* *** Dependencies *** */
23 #include <stddef.h> /* size_t */
24 
25 
26 /* *** library symbols visibility *** */
27 /* Note : when linking with -fvisibility=hidden on gcc, or by default on Visual,
28  * HUF symbols remain "private" (internal symbols for library only).
29  * Set macro FSE_DLL_EXPORT to 1 if you want HUF symbols visible on DLL interface */
30 #if defined(FSE_DLL_EXPORT) && (FSE_DLL_EXPORT==1) && defined(__GNUC__) && (__GNUC__ >= 4)
31 # define HUF_PUBLIC_API __attribute__ ((visibility ("default")))
32 #elif defined(FSE_DLL_EXPORT) && (FSE_DLL_EXPORT==1) /* Visual expected */
33 # define HUF_PUBLIC_API __declspec(dllexport)
34 #elif defined(FSE_DLL_IMPORT) && (FSE_DLL_IMPORT==1)
35 # define HUF_PUBLIC_API __declspec(dllimport) /* not required, just to generate faster code (saves a function pointer load from IAT and an indirect jump) */
36 #else
37 # define HUF_PUBLIC_API
38 #endif
39 
40 
41 /* ========================== */
42 /* *** simple functions *** */
43 /* ========================== */
44 
54 HUF_PUBLIC_API size_t HUF_compress(void* dst, size_t dstCapacity,
55  const void* src, size_t srcSize);
56 
67 HUF_PUBLIC_API size_t HUF_decompress(void* dst, size_t originalSize,
68  const void* cSrc, size_t cSrcSize);
69 
70 
71 /* *** Tool functions *** */
72 #define HUF_BLOCKSIZE_MAX (128 * 1024)
73 HUF_PUBLIC_API size_t HUF_compressBound(size_t size);
75 /* Error Management */
76 HUF_PUBLIC_API unsigned HUF_isError(size_t code);
77 HUF_PUBLIC_API const char* HUF_getErrorName(size_t code);
80 /* *** Advanced function *** */
81 
86 HUF_PUBLIC_API size_t HUF_compress2 (void* dst, size_t dstCapacity,
87  const void* src, size_t srcSize,
88  unsigned maxSymbolValue, unsigned tableLog);
89 
93 #define HUF_WORKSPACE_SIZE ((6 << 10) + 256)
94 #define HUF_WORKSPACE_SIZE_U32 (HUF_WORKSPACE_SIZE / sizeof(U32))
95 HUF_PUBLIC_API size_t HUF_compress4X_wksp (void* dst, size_t dstCapacity,
96  const void* src, size_t srcSize,
97  unsigned maxSymbolValue, unsigned tableLog,
98  void* workSpace, size_t wkspSize);
99 
100 #endif /* HUF_H_298734234 */
101 
102 /* ******************************************************************
103  * WARNING !!
104  * The following section contains advanced and experimental definitions
105  * which shall never be used in the context of a dynamic library,
106  * because they are not guaranteed to remain stable in the future.
107  * Only consider them in association with static linking.
108  * *****************************************************************/
109 #if defined(HUF_STATIC_LINKING_ONLY) && !defined(HUF_H_HUF_STATIC_LINKING_ONLY)
110 #define HUF_H_HUF_STATIC_LINKING_ONLY
111 
112 /* *** Dependencies *** */
113 #include "mem.h" /* U32 */
114 
115 
116 /* *** Constants *** */
117 #define HUF_TABLELOG_MAX 12 /* max runtime value of tableLog (due to static allocation); can be modified up to HUF_ABSOLUTEMAX_TABLELOG */
118 #define HUF_TABLELOG_DEFAULT 11 /* default tableLog value when none specified */
119 #define HUF_SYMBOLVALUE_MAX 255
120 
121 #define HUF_TABLELOG_ABSOLUTEMAX 15 /* absolute limit of HUF_MAX_TABLELOG. Beyond that value, code does not work */
122 #if (HUF_TABLELOG_MAX > HUF_TABLELOG_ABSOLUTEMAX)
123 # error "HUF_TABLELOG_MAX is too large !"
124 #endif
125 
126 
127 /* ****************************************
128 * Static allocation
129 ******************************************/
130 /* HUF buffer bounds */
131 #define HUF_CTABLEBOUND 129
132 #define HUF_BLOCKBOUND(size) (size + (size>>8) + 8) /* only true when incompressible is pre-filtered with fast heuristic */
133 #define HUF_COMPRESSBOUND(size) (HUF_CTABLEBOUND + HUF_BLOCKBOUND(size)) /* Macro version, useful for static allocation */
134 
135 /* static allocation of HUF's Compression Table */
136 #define HUF_CTABLE_SIZE_U32(maxSymbolValue) ((maxSymbolValue)+1) /* Use tables of U32, for proper alignment */
137 #define HUF_CTABLE_SIZE(maxSymbolValue) (HUF_CTABLE_SIZE_U32(maxSymbolValue) * sizeof(U32))
138 #define HUF_CREATE_STATIC_CTABLE(name, maxSymbolValue) \
139  U32 name##hb[HUF_CTABLE_SIZE_U32(maxSymbolValue)]; \
140  void* name##hv = &(name##hb); \
141  HUF_CElt* name = (HUF_CElt*)(name##hv) /* no final ; */
142 
143 /* static allocation of HUF's DTable */
144 typedef U32 HUF_DTable;
145 #define HUF_DTABLE_SIZE(maxTableLog) (1 + (1<<(maxTableLog)))
146 #define HUF_CREATE_STATIC_DTABLEX1(DTable, maxTableLog) \
147  HUF_DTable DTable[HUF_DTABLE_SIZE((maxTableLog)-1)] = { ((U32)((maxTableLog)-1) * 0x01000001) }
148 #define HUF_CREATE_STATIC_DTABLEX2(DTable, maxTableLog) \
149  HUF_DTable DTable[HUF_DTABLE_SIZE(maxTableLog)] = { ((U32)(maxTableLog) * 0x01000001) }
150 
151 
152 /* ****************************************
153 * Advanced decompression functions
154 ******************************************/
155 size_t HUF_decompress4X1 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
156 #ifndef HUF_FORCE_DECOMPRESS_X1
157 size_t HUF_decompress4X2 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
158 #endif
159 
160 size_t HUF_decompress4X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
161 size_t HUF_decompress4X_hufOnly(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
162 size_t HUF_decompress4X_hufOnly_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
163 size_t HUF_decompress4X1_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
164 size_t HUF_decompress4X1_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
165 #ifndef HUF_FORCE_DECOMPRESS_X1
166 size_t HUF_decompress4X2_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
167 size_t HUF_decompress4X2_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
168 #endif
169 
170 
171 /* ****************************************
172  * HUF detailed API
173  * ****************************************/
174 
186 unsigned HUF_optimalTableLog(unsigned maxTableLog, size_t srcSize, unsigned maxSymbolValue);
187 typedef struct HUF_CElt_s HUF_CElt; /* incomplete type */
188 size_t HUF_buildCTable (HUF_CElt* CTable, const unsigned* count, unsigned maxSymbolValue, unsigned maxNbBits); /* @return : maxNbBits; CTable and count can overlap. In which case, CTable will overwrite count content */
189 size_t HUF_writeCTable (void* dst, size_t maxDstSize, const HUF_CElt* CTable, unsigned maxSymbolValue, unsigned huffLog);
190 size_t HUF_compress4X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable);
191 size_t HUF_estimateCompressedSize(const HUF_CElt* CTable, const unsigned* count, unsigned maxSymbolValue);
192 int HUF_validateCTable(const HUF_CElt* CTable, const unsigned* count, unsigned maxSymbolValue);
193 
194 typedef enum {
195  HUF_repeat_none,
196  HUF_repeat_check,
197  HUF_repeat_valid
198  } HUF_repeat;
204 size_t HUF_compress4X_repeat(void* dst, size_t dstSize,
205  const void* src, size_t srcSize,
206  unsigned maxSymbolValue, unsigned tableLog,
207  void* workSpace, size_t wkspSize,
208  HUF_CElt* hufTable, HUF_repeat* repeat, int preferRepeat, int bmi2);
209 
214 #define HUF_CTABLE_WORKSPACE_SIZE_U32 (2*HUF_SYMBOLVALUE_MAX +1 +1)
215 #define HUF_CTABLE_WORKSPACE_SIZE (HUF_CTABLE_WORKSPACE_SIZE_U32 * sizeof(unsigned))
216 size_t HUF_buildCTable_wksp (HUF_CElt* tree,
217  const unsigned* count, U32 maxSymbolValue, U32 maxNbBits,
218  void* workSpace, size_t wkspSize);
219 
225 size_t HUF_readStats(BYTE* huffWeight, size_t hwSize,
226  U32* rankStats, U32* nbSymbolsPtr, U32* tableLogPtr,
227  const void* src, size_t srcSize);
228 
231 size_t HUF_readCTable (HUF_CElt* CTable, unsigned* maxSymbolValuePtr, const void* src, size_t srcSize, unsigned *hasZeroWeights);
232 
237 U32 HUF_getNbBits(const void* symbolTable, U32 symbolValue);
238 
239 /*
240  * HUF_decompress() does the following:
241  * 1. select the decompression algorithm (X1, X2) based on pre-computed heuristics
242  * 2. build Huffman table from save, using HUF_readDTableX?()
243  * 3. decode 1 or 4 segments in parallel using HUF_decompress?X?_usingDTable()
244  */
245 
251 U32 HUF_selectDecoder (size_t dstSize, size_t cSrcSize);
252 
263 #define HUF_DECOMPRESS_WORKSPACE_SIZE (2 << 10)
264 #define HUF_DECOMPRESS_WORKSPACE_SIZE_U32 (HUF_DECOMPRESS_WORKSPACE_SIZE / sizeof(U32))
265 
266 #ifndef HUF_FORCE_DECOMPRESS_X2
267 size_t HUF_readDTableX1 (HUF_DTable* DTable, const void* src, size_t srcSize);
268 size_t HUF_readDTableX1_wksp (HUF_DTable* DTable, const void* src, size_t srcSize, void* workSpace, size_t wkspSize);
269 #endif
270 #ifndef HUF_FORCE_DECOMPRESS_X1
271 size_t HUF_readDTableX2 (HUF_DTable* DTable, const void* src, size_t srcSize);
272 size_t HUF_readDTableX2_wksp (HUF_DTable* DTable, const void* src, size_t srcSize, void* workSpace, size_t wkspSize);
273 #endif
274 
275 size_t HUF_decompress4X_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
276 #ifndef HUF_FORCE_DECOMPRESS_X2
277 size_t HUF_decompress4X1_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
278 #endif
279 #ifndef HUF_FORCE_DECOMPRESS_X1
280 size_t HUF_decompress4X2_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
281 #endif
282 
283 
284 /* ====================== */
285 /* single stream variants */
286 /* ====================== */
287 
288 size_t HUF_compress1X (void* dst, size_t dstSize, const void* src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog);
289 size_t HUF_compress1X_wksp (void* dst, size_t dstSize, const void* src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog, void* workSpace, size_t wkspSize);
290 size_t HUF_compress1X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable);
296 size_t HUF_compress1X_repeat(void* dst, size_t dstSize,
297  const void* src, size_t srcSize,
298  unsigned maxSymbolValue, unsigned tableLog,
299  void* workSpace, size_t wkspSize,
300  HUF_CElt* hufTable, HUF_repeat* repeat, int preferRepeat, int bmi2);
301 
302 size_t HUF_decompress1X1 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize); /* single-symbol decoder */
303 #ifndef HUF_FORCE_DECOMPRESS_X1
304 size_t HUF_decompress1X2 (void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize); /* double-symbol decoder */
305 #endif
306 
307 size_t HUF_decompress1X_DCtx (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
308 size_t HUF_decompress1X_DCtx_wksp (HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
309 #ifndef HUF_FORCE_DECOMPRESS_X2
310 size_t HUF_decompress1X1_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
311 size_t HUF_decompress1X1_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
312 #endif
313 #ifndef HUF_FORCE_DECOMPRESS_X1
314 size_t HUF_decompress1X2_DCtx(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize);
315 size_t HUF_decompress1X2_DCtx_wksp(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize);
316 #endif
317 
318 size_t HUF_decompress1X_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
319 #ifndef HUF_FORCE_DECOMPRESS_X2
320 size_t HUF_decompress1X1_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
321 #endif
322 #ifndef HUF_FORCE_DECOMPRESS_X1
323 size_t HUF_decompress1X2_usingDTable(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable);
324 #endif
325 
326 /* BMI2 variants.
327  * If the CPU has BMI2 support, pass bmi2=1, otherwise pass bmi2=0.
328  */
329 size_t HUF_decompress1X_usingDTable_bmi2(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable, int bmi2);
330 #ifndef HUF_FORCE_DECOMPRESS_X2
331 size_t HUF_decompress1X1_DCtx_wksp_bmi2(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize, int bmi2);
332 #endif
333 size_t HUF_decompress4X_usingDTable_bmi2(void* dst, size_t maxDstSize, const void* cSrc, size_t cSrcSize, const HUF_DTable* DTable, int bmi2);
334 size_t HUF_decompress4X_hufOnly_wksp_bmi2(HUF_DTable* dctx, void* dst, size_t dstSize, const void* cSrc, size_t cSrcSize, void* workSpace, size_t wkspSize, int bmi2);
335 
336 #endif /* HUF_STATIC_LINKING_ONLY */
337 
338 #if defined (__cplusplus)
339 }
340 #endif
size_t HUF_decompress1X_DCtx(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_buildCTable(HUF_CElt *tree, const unsigned *count, unsigned maxSymbolValue, unsigned maxNbBits)
Definition: huf_compress.c:416
size_t HUF_decompress4X2(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_compress1X_repeat(void *dst, size_t dstSize, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned huffLog, void *workSpace, size_t wkspSize, HUF_CElt *hufTable, HUF_repeat *repeat, int preferRepeat, int bmi2)
Definition: huf_compress.c:738
size_t HUF_decompress1X_usingDTable(void *dst, size_t maxDstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable)
HUF_PUBLIC_API const char * HUF_getErrorName(size_t code)
size_t HUF_decompress4X_usingDTable(void *dst, size_t maxDstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable)
size_t HUF_readDTableX2_wksp(HUF_DTable *DTable, const void *src, size_t srcSize, void *workSpace, size_t wkspSize)
GLuint GLuint GLsizei count
Definition: gl.h:1545
size_t HUF_buildCTable_wksp(HUF_CElt *tree, const unsigned *count, U32 maxSymbolValue, U32 maxNbBits, void *workSpace, size_t wkspSize)
Definition: huf_compress.c:338
size_t HUF_decompress4X2_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize)
size_t HUF_decompress1X1_DCtx(HUF_DTable *DCtx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_decompress4X_hufOnly(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_writeCTable(void *dst, size_t maxDstSize, const HUF_CElt *CTable, unsigned maxSymbolValue, unsigned huffLog)
Definition: huf_compress.c:114
HUF_PUBLIC_API unsigned HUF_isError(size_t code)
size_t HUF_decompress1X1_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable)
#define HUF_PUBLIC_API
Definition: huf.h:37
size_t HUF_decompress4X_usingDTable_bmi2(void *dst, size_t maxDstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable, int bmi2)
size_t HUF_decompress1X2_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable)
size_t HUF_decompress1X2_DCtx(HUF_DTable *DCtx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
unsigned HUF_optimalTableLog(unsigned maxTableLog, size_t srcSize, unsigned maxSymbolValue)
Definition: huf_compress.c:48
size_t HUF_readDTableX2(HUF_DTable *DTable, const void *src, size_t srcSize)
size_t HUF_readCTable(HUF_CElt *CTable, unsigned *maxSymbolValuePtr, const void *src, size_t srcSize, unsigned *hasZeroWeights)
Definition: huf_compress.c:150
size_t HUF_compress4X_repeat(void *dst, size_t dstSize, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned huffLog, void *workSpace, size_t wkspSize, HUF_CElt *hufTable, HUF_repeat *repeat, int preferRepeat, int bmi2)
Definition: huf_compress.c:775
size_t HUF_decompress4X1_DCtx(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_readDTableX1(HUF_DTable *DTable, const void *src, size_t srcSize)
size_t HUF_decompress4X_hufOnly_wksp_bmi2(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize, int bmi2)
size_t HUF_decompress1X1_DCtx_wksp_bmi2(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize, int bmi2)
size_t HUF_decompress4X2_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable)
HUF_PUBLIC_API size_t HUF_compress2(void *dst, size_t dstCapacity, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog)
Definition: huf_compress.c:787
size_t HUF_compress1X(void *dst, size_t dstSize, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned huffLog)
Definition: huf_compress.c:750
size_t HUF_decompress1X2(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_decompress4X2_DCtx(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_compress1X_wksp(void *dst, size_t dstSize, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned huffLog, void *workSpace, size_t wkspSize)
Definition: huf_compress.c:727
GLenum src
Definition: glext.h:6340
size_t HUF_decompress4X_DCtx(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
Definition: inflate.c:139
HUF_PUBLIC_API size_t HUF_decompress(void *dst, size_t originalSize, const void *cSrc, size_t cSrcSize)
unsigned char BYTE
Definition: xxhash.c:193
static int repeat
Definition: xmllint.c:137
size_t HUF_compress1X_usingCTable(void *dst, size_t dstSize, const void *src, size_t srcSize, const HUF_CElt *CTable)
Definition: huf_compress.c:546
size_t HUF_decompress4X1_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize)
U32 HUF_selectDecoder(size_t dstSize, size_t cSrcSize)
size_t HUF_readDTableX1_wksp(HUF_DTable *DTable, const void *src, size_t srcSize, void *workSpace, size_t wkspSize)
size_t HUF_decompress4X1(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_decompress1X1_DCtx_wksp(HUF_DTable *DCtx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize)
size_t HUF_decompress1X1(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize)
size_t HUF_decompress1X2_DCtx_wksp(HUF_DTable *DCtx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize)
size_t HUF_decompress4X_hufOnly_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize)
GLenum GLenum dst
Definition: glext.h:6340
int HUF_validateCTable(const HUF_CElt *CTable, const unsigned *count, unsigned maxSymbolValue)
Definition: huf_compress.c:432
size_t HUF_compress4X_usingCTable(void *dst, size_t dstSize, const void *src, size_t srcSize, const HUF_CElt *CTable)
Definition: huf_compress.c:605
size_t HUF_decompress1X_usingDTable_bmi2(void *dst, size_t maxDstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable, int bmi2)
U32 HUF_getNbBits(const void *symbolTable, U32 symbolValue)
Definition: huf_compress.c:200
size_t HUF_decompress4X1_usingDTable(void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, const HUF_DTable *DTable)
size_t HUF_decompress1X_DCtx_wksp(HUF_DTable *dctx, void *dst, size_t dstSize, const void *cSrc, size_t cSrcSize, void *workSpace, size_t wkspSize)
unsigned int U32
Definition: xxhash.c:195
size_t HUF_estimateCompressedSize(const HUF_CElt *CTable, const unsigned *count, unsigned maxSymbolValue)
Definition: huf_compress.c:422
HUF_PUBLIC_API size_t HUF_compress(void *dst, size_t dstCapacity, const void *src, size_t srcSize)
Definition: huf_compress.c:795
HUF_PUBLIC_API size_t HUF_compress4X_wksp(void *dst, size_t dstCapacity, const void *src, size_t srcSize, unsigned maxSymbolValue, unsigned tableLog, void *workSpace, size_t wkspSize)
Definition: huf_compress.c:761
size_t HUF_readStats(BYTE *huffWeight, size_t hwSize, U32 *rankStats, U32 *nbSymbolsPtr, U32 *tableLogPtr, const void *src, size_t srcSize)