lz4opt.h File Reference

Go to the source code of this file.

Classes
struct	LZ4HC_match_t
struct	LZ4HC_optimal_t

Macros
#define	LZ4_OPT_NUM   (1<<12)
#define	SET_PRICE(pos, mlen, offset, litlen, price)

Functions
FORCE_INLINE size_t	LZ4HC_literalsPrice (size_t litlen)
FORCE_INLINE size_t	LZ4HC_sequencePrice (size_t litlen, size_t mlen)
FORCE_INLINE int	LZ4HC_BinTree_InsertAndGetAllMatches (LZ4HC_CCtx_internal *ctx, const BYTE *const ip, const BYTE *const iHighLimit, size_t best_mlen, LZ4HC_match_t *matches, int *matchNum)
FORCE_INLINE void	LZ4HC_updateBinTree (LZ4HC_CCtx_internal *ctx, const BYTE *const ip, const BYTE *const iHighLimit)
FORCE_INLINE int	LZ4HC_BinTree_GetAllMatches (LZ4HC_CCtx_internal *ctx, const BYTE *const ip, const BYTE *const iHighLimit, size_t best_mlen, LZ4HC_match_t *matches, const int fullUpdate)
static int	LZ4HC_compress_optimal (LZ4HC_CCtx_internal *ctx, const char *const source, char *dest, int inputSize, int maxOutputSize, limitedOutput_directive limit, const size_t sufficient_len, const int fullUpdate)

Macro Definition Documentation

#define LZ4_OPT_NUM   (1<<12)

Referenced by LZ4HC_BinTree_InsertAndGetAllMatches(), and LZ4HC_compress_optimal().

#define SET_PRICE	(		pos,
			mlen,
			offset,
			litlen,
			price
	)

Value:

{                                                      \
    while (last_pos < pos)  { opt[last_pos+1].price = 1<<30; last_pos++; } \
    opt[pos].mlen = (int)mlen;                         \
    opt[pos].off = (int)offset;                        \
    opt[pos].litlen = (int)litlen;                     \
    opt[pos].price = (int)price;                       \
}

Referenced by LZ4HC_compress_optimal().

Function Documentation

FORCE_INLINE size_t LZ4HC_literalsPrice

(

size_t

litlen

)

Referenced by LZ4HC_compress_optimal(), and LZ4HC_sequencePrice().

FORCE_INLINE size_t LZ4HC_sequencePrice	(	size_t	litlen,
		size_t	mlen
	)

References LZ4HC_literalsPrice().

Referenced by LZ4HC_compress_optimal().

FORCE_INLINE int LZ4HC_BinTree_InsertAndGetAllMatches	(	LZ4HC_CCtx_internal *	ctx,
		const BYTE *const	ip,
		const BYTE *const	iHighLimit,
		size_t	best_mlen,
		LZ4HC_match_t *	matches,
		int *	matchNum
	)

References LZ4HC_CCtx_internal::base, LZ4HC_CCtx_internal::chainTable, LZ4HC_CCtx_internal::dictBase, LZ4HC_CCtx_internal::dictLimit, LZ4HC_CCtx_internal::hashTable, int(), LZ4HC_match_t::len, LZ4HC_CCtx_internal::lowLimit, LZ4_OPT_NUM, LZ4HC_match_t::off, and LZ4HC_CCtx_internal::searchNum.

Referenced by LZ4HC_BinTree_GetAllMatches(), and LZ4HC_updateBinTree().

FORCE_INLINE void LZ4HC_updateBinTree	(	LZ4HC_CCtx_internal *	ctx,
		const BYTE *const	ip,
		const BYTE *const	iHighLimit
	)

References LZ4HC_CCtx_internal::base, LZ4HC_BinTree_InsertAndGetAllMatches(), and LZ4HC_CCtx_internal::nextToUpdate.

Referenced by LZ4HC_BinTree_GetAllMatches().

FORCE_INLINE int LZ4HC_BinTree_GetAllMatches	(	LZ4HC_CCtx_internal *	ctx,
		const BYTE *const	ip,
		const BYTE *const	iHighLimit,
		size_t	best_mlen,
		LZ4HC_match_t *	matches,
		const int	fullUpdate
	)

Tree updater, providing best match.

References LZ4HC_CCtx_internal::base, LZ4HC_BinTree_InsertAndGetAllMatches(), LZ4HC_updateBinTree(), and LZ4HC_CCtx_internal::nextToUpdate.

Referenced by LZ4HC_compress_optimal().

static int LZ4HC_compress_optimal ( LZ4HC_CCtx_internal *  ctx, const char *const  source, char *  dest, int  inputSize, int  maxOutputSize, limitedOutput_directive  limit, const size_t  sufficient_len, const int  fullUpdate  )

static

References DtBufferSerialize::encode(), LZ4HC_CCtx_internal::end, inputSize, int(), LZ4HC_match_t::len, LZ4HC_optimal_t::litlen, LZ4_OPT_NUM, LZ4HC_BinTree_GetAllMatches(), LZ4HC_literalsPrice(), LZ4HC_sequencePrice(), maxOutputSize, LZ4HC_optimal_t::mlen, LZ4HC_match_t::off, LZ4HC_optimal_t::off, LZ4HC_optimal_t::price, and SET_PRICE.