#include "jinclude.h"
#include "jpeglib.h"
#include "jdhuff.h"

Include dependency graph for jdphuff.c:

Classes
struct	phuff_entropy_decoder

struct	savable_state

Macros
#define	ASSIGN_STATE(dest, src) ((dest) = (src))

#define	HUFF_EXTEND(x, s) ((x) < extend_test[s] ? (x) + extend_offset[s] : (x))

#define	JPEG_INTERNALS

Typedefs
typedef phuff_entropy_decoder *	phuff_entropy_ptr

Functions
	decode_mcu_AC_first (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

	decode_mcu_AC_refine (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

	decode_mcu_DC_first (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

	decode_mcu_DC_refine (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)

	jinit_phuff_decoder (j_decompress_ptr cinfo)

	METHODDEF (boolean)

	process_restart (j_decompress_ptr cinfo)

Variables
static const int	extend_offset [16]

static const int	extend_test [16]

Macro Definition Documentation

◆ ASSIGN_STATE

#define ASSIGN_STATE	(	dest,
		src
	)	((dest) = (src))

Definition at line 43 of file jdphuff.c.

◆ HUFF_EXTEND

#define HUFF_EXTEND	(	x,
		s
	)	((x) < extend_test[s] ? (x) + extend_offset[s] : (x))

Definition at line 207 of file jdphuff.c.

◆ JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 17 of file jdphuff.c.

Typedef Documentation

◆ phuff_entropy_ptr

typedef phuff_entropy_decoder* phuff_entropy_ptr

Definition at line 74 of file jdphuff.c.

Function Documentation

◆ decode_mcu_AC_first()

decode_mcu_AC_first	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 357 of file jdphuff.c.

◆ decode_mcu_AC_refine()

decode_mcu_AC_refine	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 491 of file jdphuff.c.

◆ decode_mcu_DC_first()

decode_mcu_DC_first	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 286 of file jdphuff.c.

◆ decode_mcu_DC_refine()

decode_mcu_DC_refine	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 442 of file jdphuff.c.

◆ jinit_phuff_decoder()

jinit_phuff_decoder ( j_decompress_ptr cinfo )

Definition at line 641 of file jdphuff.c.

◆ METHODDEF()

METHODDEF ( boolean )

Definition at line 77 of file jdphuff.c.

◆ process_restart()

process_restart ( j_decompress_ptr cinfo )

Definition at line 228 of file jdphuff.c.

Variable Documentation

◆ extend_offset

const int extend_offset[16]

static

Initial value:

= 
  { 0, ((-1)<<1) + 1, ((-1)<<2) + 1, ((-1)<<3) + 1, ((-1)<<4) + 1,
    ((-1)<<5) + 1, ((-1)<<6) + 1, ((-1)<<7) + 1, ((-1)<<8) + 1,
    ((-1)<<9) + 1, ((-1)<<10) + 1, ((-1)<<11) + 1, ((-1)<<12) + 1,
    ((-1)<<13) + 1, ((-1)<<14) + 1, ((-1)<<15) + 1 }

Definition at line 213 of file jdphuff.c.

◆ extend_test

const int extend_test[16]