jdhuff.c File Reference

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

Go to the source code of this file.

Classes
struct	savable_state
struct	huff_entropy_decoder

Macros
#define	JPEG_INTERNALS
#define	ASSIGN_STATE(dest, src)   ((dest) = (src))
#define	MIN_GET_BITS   (BIT_BUF_SIZE-7)
#define	HUFF_EXTEND(x, s)   ((x) < extend_test[s] ? (x) + extend_offset[s] : (x))

Typedefs
typedef huff_entropy_decoder *	huff_entropy_ptr

Functions
METHODDEF void	start_pass_huff_decoder (j_decompress_ptr cinfo)
GLOBAL void	jpeg_make_d_derived_tbl (j_decompress_ptr cinfo, JHUFF_TBL *htbl, d_derived_tbl **pdtbl)
GLOBAL boolean	jpeg_fill_bit_buffer (bitread_working_state *state, register bit_buf_type get_buffer, register int bits_left, int nbits)
GLOBAL int	jpeg_huff_decode (bitread_working_state *state, register bit_buf_type get_buffer, register int bits_left, d_derived_tbl *htbl, int min_bits)
LOCAL boolean	process_restart (j_decompress_ptr cinfo)
METHODDEF boolean	decode_mcu (j_decompress_ptr cinfo, JBLOCKROW *MCU_data)
GLOBAL void	jinit_huff_decoder (j_decompress_ptr cinfo)

Macro Definition Documentation

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

Definition at line 40 of file jdhuff.c.

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

Definition at line 372 of file jdhuff.c.

#define JPEG_INTERNALS

Definition at line 17 of file jdhuff.c.

#define MIN_GET_BITS   (BIT_BUF_SIZE-7)

Definition at line 229 of file jdhuff.c.

Typedef Documentation

typedef huff_entropy_decoder* huff_entropy_ptr

Definition at line 69 of file jdhuff.c.

Function Documentation

METHODDEF boolean decode_mcu	(	j_decompress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 437 of file jdhuff.c.

GLOBAL void jinit_huff_decoder

(

j_decompress_ptr

cinfo

)

Definition at line 558 of file jdhuff.c.

GLOBAL boolean jpeg_fill_bit_buffer	(	bitread_working_state *	state,
		register bit_buf_type	get_buffer,
		register int	bits_left,
		int	nbits
	)

Definition at line 234 of file jdhuff.c.

GLOBAL int jpeg_huff_decode	(	bitread_working_state *	state,
		register bit_buf_type	get_buffer,
		register int	bits_left,
		d_derived_tbl *	htbl,
		int	min_bits
	)

Definition at line 322 of file jdhuff.c.

GLOBAL void jpeg_make_d_derived_tbl	(	j_decompress_ptr	cinfo,
		JHUFF_TBL *	htbl,
		d_derived_tbl **	pdtbl
	)

Definition at line 128 of file jdhuff.c.

LOCAL boolean process_restart

(

j_decompress_ptr

cinfo

)

Definition at line 393 of file jdhuff.c.

METHODDEF void start_pass_huff_decoder

(

j_decompress_ptr

cinfo

)

Definition at line 77 of file jdhuff.c.