huffdecode.cpp File Reference

#include <string.h>
#include "codex.h"
#include "huffcodex.h"

Go to the source code of this file.

Classes
struct	HuffDecodeContext

Macros
#define	__HUFREAD   1
#define	GET16BITS()
#define	SQgetbits(v, n)
#define	SQgetnum(v)
#define	SQmemset(ptr, val, amt)

Functions
bool GCALL	HUFF_is (const void *compresseddata)
int GCALL	HUFF_size (const void *compresseddata)
int GCALL	HUFF_decode (void *dest, const void *compresseddata, int *compressedsize)

Macro Definition Documentation

__HUFREAD

#define __HUFREAD   1

Definition at line 22 of file huffdecode.cpp.

GET16BITS

#define GET16BITS

(

)

Value:

    bitsunshifted =  qs[0] | (bitsunshifted << 8);\
    bitsunshifted =  qs[1] | (bitsunshifted << 8);\
    qs += 2;

Definition at line 49 of file huffdecode.cpp.

SQgetbits

#define SQgetbits	(		v,
			n )

Value:

    if (n) \
    { \
        v = bits >> (32-(n));\
        bits <<= (n);\
        bitsleft -= (n);\
    } \
\
    if (bitsleft<0)\
    {\
        GET16BITS() \
\
        bits = bitsunshifted<<(-bitsleft);\
        bitsleft += 16;\
    }

Definition at line 55 of file huffdecode.cpp.

SQgetnum

#define SQgetnum

(

v

)

Definition at line 72 of file huffdecode.cpp.

SQmemset

#define SQmemset	(		ptr,
			val,
			amt )

Value:

{\
    int i = amt/16;\
    int intval = (val<<24)|(val<<16)|(val<<8)|val;\
    int* lptr = (int*)ptr;\
\
    while (i)\
    {\
        lptr[0] = intval;\
        lptr[1] = intval;\
        lptr[2] = intval;\
        lptr[3] = intval;\
        lptr += 4;\
        --i;\
    }\
}\

Definition at line 120 of file huffdecode.cpp.

Function Documentation

HUFF_decode()

int GCALL HUFF_decode	(	void *	dest,
		const void *	compresseddata,
		int *	compressedsize )

Definition at line 564 of file huffdecode.cpp.

HUFF_is()

bool GCALL HUFF_is

(

const void *

compresseddata

)

Definition at line 519 of file huffdecode.cpp.

HUFF_size()

int GCALL HUFF_size

(

const void *

compresseddata

)

Definition at line 546 of file huffdecode.cpp.