83 lines
3.3 KiB
C
83 lines
3.3 KiB
C
#define FSE_STATIC_LINKING_ONLY
|
|
#include "../zstd/lib/common/fse.h" /* to compress headers */
|
|
#include "../zstd/lib/common/huf.h"
|
|
#include "../zstd/lib/compress/huf_compress.c"
|
|
|
|
|
|
/*! HUF_writeCTable() :
|
|
`CTable` : Huffman tree to save, using huf representation.
|
|
@return : size of saved CTable */
|
|
size_t HUF_writeCTable (void* dst, size_t maxDstSize,
|
|
const HUF_CElt* CTable, unsigned maxSymbolValue, unsigned huffLog)
|
|
{
|
|
HUF_WriteCTableWksp wksp;
|
|
return HUF_writeCTable_wksp(dst, maxDstSize, CTable, maxSymbolValue, huffLog, &wksp, sizeof(wksp));
|
|
}
|
|
|
|
typedef nodeElt huffNodeTable[2 * (HUF_SYMBOLVALUE_MAX + 1)];
|
|
#if 0
|
|
size_t HUF_compress1X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable)
|
|
{
|
|
return HUF_compress1X_usingCTable_bmi2(dst, dstSize, src, srcSize, CTable, /* bmi2 */ 0);
|
|
}
|
|
size_t HUF_compress4X_usingCTable(void* dst, size_t dstSize, const void* src, size_t srcSize, const HUF_CElt* CTable)
|
|
{
|
|
return HUF_compress4X_usingCTable_bmi2(dst, dstSize, src, srcSize, CTable, /* bmi2 */ 0);
|
|
}
|
|
#endif
|
|
|
|
#if 1
|
|
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)
|
|
{
|
|
return HUF_compress_internal(dst, dstSize, src, srcSize,
|
|
maxSymbolValue, huffLog, HUF_singleStream,
|
|
workSpace, wkspSize,
|
|
NULL, NULL, 0);
|
|
}
|
|
|
|
/* HUF_compress4X_repeat():
|
|
* compress input using 4 streams.
|
|
* provide workspace to generate compression tables */
|
|
size_t HUF_compress4X_wksp (void* dst, size_t dstSize,
|
|
const void* src, size_t srcSize,
|
|
unsigned maxSymbolValue, unsigned huffLog,
|
|
void* workSpace, size_t wkspSize)
|
|
{
|
|
DEBUGLOG(5, "HUF_compress4X_wksp (srcSize = %zu)", srcSize);
|
|
return HUF_compress_internal(dst, dstSize, src, srcSize,
|
|
maxSymbolValue, huffLog, HUF_fourStreams,
|
|
workSpace, wkspSize,
|
|
NULL, NULL, 0);
|
|
}
|
|
#endif
|
|
|
|
size_t HUF_buildCTable (HUF_CElt* tree, const unsigned* count, unsigned maxSymbolValue, unsigned maxNbBits)
|
|
{
|
|
HUF_buildCTable_wksp_tables workspace;
|
|
return HUF_buildCTable_wksp(tree, count, maxSymbolValue, maxNbBits, &workspace, sizeof(workspace));
|
|
}
|
|
|
|
size_t HUF_compress1X (void* dst, size_t dstSize,
|
|
const void* src, size_t srcSize,
|
|
unsigned maxSymbolValue, unsigned huffLog)
|
|
{
|
|
U64 workSpace[HUF_WORKSPACE_SIZE_U64];
|
|
return HUF_compress1X_wksp(dst, dstSize, src, srcSize, maxSymbolValue, huffLog, workSpace, sizeof(workSpace));
|
|
}
|
|
|
|
size_t HUF_compress2 (void* dst, size_t dstSize,
|
|
const void* src, size_t srcSize,
|
|
unsigned maxSymbolValue, unsigned huffLog)
|
|
{
|
|
U64 workSpace[HUF_WORKSPACE_SIZE_U64];
|
|
return HUF_compress4X_wksp(dst, dstSize, src, srcSize, maxSymbolValue, huffLog, workSpace, sizeof(workSpace));
|
|
}
|
|
|
|
size_t HUF_compress (void* dst, size_t maxDstSize, const void* src, size_t srcSize)
|
|
{
|
|
return HUF_compress2(dst, maxDstSize, src, srcSize, 255, HUF_TABLELOG_DEFAULT);
|
|
}
|