jdphuff.c File Reference

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

Go to the source code of this file.

Macros
#define	JPEG_INTERNALS
#define	ASSIGN_STATE(dest, src)   ((dest) = (src))
#define	HUFF_EXTEND(x, s)   ((x) < extend_test[s] ? (x) + extend_offset[s] : (x))

Typedefs
typedef phuff_entropy_decoder *	phuff_entropy_ptr

Functions
	METHODDEF (boolean)
	process_restart (j_decompress_ptr cinfo)
	decode_mcu_DC_first (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
	decode_mcu_AC_first (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
	decode_mcu_DC_refine (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
	decode_mcu_AC_refine (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
	jinit_phuff_decoder (j_decompress_ptr cinfo)

Macro Definition Documentation

ASSIGN_STATE

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

Definition at line 43 of file jdphuff.c.

Referenced by decode_mcu_DC_first().

HUFF_EXTEND

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

Definition at line 207 of file jdphuff.c.

Referenced by decode_mcu_AC_first(), and decode_mcu_DC_first().

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.

References BITREAD_LOAD_STATE, BITREAD_SAVE_STATE, BITREAD_STATE_VARS, CHECK_BIT_BUFFER, FALSE, GET_BITS, HUFF_DECODE, HUFF_EXTEND, if(), jpeg_natural_order, METHODDEF(), process_restart(), and TRUE.

decode_mcu_AC_refine()

decode_mcu_AC_refine	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 491 of file jdphuff.c.

References BITREAD_LOAD_STATE, BITREAD_SAVE_STATE, BITREAD_STATE_VARS, CHECK_BIT_BUFFER, DCTSIZE2, FALSE, GET_BITS, GLOBAL, HUFF_DECODE, jpeg_natural_order, process_restart(), TRUE, and WARNMS.

decode_mcu_DC_first()

decode_mcu_DC_first	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 286 of file jdphuff.c.

References ASSIGN_STATE, BITREAD_LOAD_STATE, BITREAD_SAVE_STATE, BITREAD_STATE_VARS, CHECK_BIT_BUFFER, compptr, jpeg_component_info::dc_tbl_no, FALSE, GET_BITS, HUFF_DECODE, HUFF_EXTEND, if(), METHODDEF(), process_restart(), and TRUE.

decode_mcu_DC_refine()

decode_mcu_DC_refine	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 442 of file jdphuff.c.

References BITREAD_LOAD_STATE, BITREAD_SAVE_STATE, BITREAD_STATE_VARS, CHECK_BIT_BUFFER, FALSE, GET_BITS, if(), METHODDEF(), process_restart(), and TRUE.

jinit_phuff_decoder()

jinit_phuff_decoder

(

j_decompress_ptr

cinfo

)

Definition at line 641 of file jdphuff.c.

References DCTSIZE2, i, int, JPOOL_IMAGE, NULL, NUM_HUFF_TBLS, and SIZEOF.

Referenced by master_selection(), and transdecode_master_selection().

METHODDEF()

METHODDEF

(

boolean

)

Definition at line 77 of file jdphuff.c.

Referenced by decode_mcu_AC_first(), decode_mcu_DC_first(), decode_mcu_DC_refine(), and process_restart().

process_restart()

process_restart

(

j_decompress_ptr

cinfo

)

Definition at line 228 of file jdphuff.c.

References FALSE, if(), METHODDEF(), and TRUE.

Referenced by decode_mcu_AC_first(), decode_mcu_AC_refine(), decode_mcu_DC_first(), and decode_mcu_DC_refine().