jcphuff.c File Reference

#include "jinclude.h"
#include "jpeglib.h"
#include "jchuff.h"

Go to the source code of this file.

Classes
struct	phuff_entropy_encoder

Macros
#define	JPEG_INTERNALS
#define	MAX_CORR_BITS   1000 /* Max # of correction bits I can buffer */
#define	ISHIFT_TEMPS
#define	IRIGHT_SHIFT(x, shft)   ((x) >> (shft))
#define	emit_byte(entropy, val)

Typedefs
typedef phuff_entropy_encoder *	phuff_entropy_ptr

Functions
METHODDEF boolean encode_mcu_DC_first	JPP ((j_compress_ptr cinfo, JBLOCKROW *MCU_data))
METHODDEF void finish_pass_phuff	JPP ((j_compress_ptr cinfo))
METHODDEF void	start_pass_phuff (j_compress_ptr cinfo, boolean gather_statistics)
LOCAL void	dump_buffer (phuff_entropy_ptr entropy)
INLINE LOCAL void	emit_bits (phuff_entropy_ptr entropy, unsigned int code, int size)
LOCAL void	flush_bits (phuff_entropy_ptr entropy)
INLINE LOCAL void	emit_symbol (phuff_entropy_ptr entropy, int tbl_no, int symbol)
LOCAL void	emit_buffered_bits (phuff_entropy_ptr entropy, char *bufstart, unsigned int nbits)
LOCAL void	emit_eobrun (phuff_entropy_ptr entropy)
LOCAL void	emit_restart (phuff_entropy_ptr entropy, int restart_num)
METHODDEF boolean	encode_mcu_DC_first (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
METHODDEF boolean	encode_mcu_AC_first (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
METHODDEF boolean	encode_mcu_DC_refine (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
METHODDEF boolean	encode_mcu_AC_refine (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
METHODDEF void	finish_pass_phuff (j_compress_ptr cinfo)
METHODDEF void	finish_pass_gather_phuff (j_compress_ptr cinfo)
GLOBAL void	jinit_phuff_encoder (j_compress_ptr cinfo)

Macro Definition Documentation

#define emit_byte	(		entropy,
			val
	)

Value:

{ *(entropy)->next_output_byte++ = (JOCTET) (val);  \
	  if (--(entropy)->free_in_buffer == 0)  \
	    dump_buffer(entropy); }

Definition at line 205 of file jcphuff.c.

#define IRIGHT_SHIFT	(		x,
			shft
	)		((x) >> (shft))

Definition at line 85 of file jcphuff.c.

#define ISHIFT_TEMPS

Definition at line 84 of file jcphuff.c.

#define JPEG_INTERNALS

Definition at line 15 of file jcphuff.c.

#define MAX_CORR_BITS   1000 /* Max # of correction bits I can buffer */

Definition at line 70 of file jcphuff.c.

Typedef Documentation

typedef phuff_entropy_encoder* phuff_entropy_ptr

Definition at line 62 of file jcphuff.c.

Function Documentation

LOCAL void dump_buffer

(

phuff_entropy_ptr

entropy

)

Definition at line 212 of file jcphuff.c.

INLINE LOCAL void emit_bits	(	phuff_entropy_ptr	entropy,
		unsigned int	code,
		int	size
	)

Definition at line 235 of file jcphuff.c.

LOCAL void emit_buffered_bits	(	phuff_entropy_ptr	entropy,
		char *	bufstart,
		unsigned int	nbits
	)

Definition at line 304 of file jcphuff.c.

LOCAL void emit_eobrun

(

phuff_entropy_ptr

entropy

)

Definition at line 323 of file jcphuff.c.

LOCAL void emit_restart	(	phuff_entropy_ptr	entropy,
		int	restart_num
	)

Definition at line 351 of file jcphuff.c.

INLINE LOCAL void emit_symbol	(	phuff_entropy_ptr	entropy,
		int	tbl_no,
		int	symbol
	)

Definition at line 288 of file jcphuff.c.

METHODDEF boolean encode_mcu_AC_first	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 463 of file jcphuff.c.

METHODDEF boolean encode_mcu_AC_refine	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 614 of file jcphuff.c.

METHODDEF boolean encode_mcu_DC_first	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 381 of file jcphuff.c.

METHODDEF boolean encode_mcu_DC_refine	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 567 of file jcphuff.c.

METHODDEF void finish_pass_gather_phuff

(

j_compress_ptr

cinfo

)

Definition at line 763 of file jcphuff.c.

METHODDEF void finish_pass_phuff

(

j_compress_ptr

cinfo

)

Definition at line 742 of file jcphuff.c.

LOCAL void flush_bits

(

phuff_entropy_ptr

entropy

)

Definition at line 274 of file jcphuff.c.

GLOBAL void jinit_phuff_encoder

(

j_compress_ptr

cinfo

)

Definition at line 810 of file jcphuff.c.

METHODDEF boolean encode_mcu_DC_first JPP

(

(j_compress_ptr cinfo, JBLOCKROW *MCU_data)

)

METHODDEF void finish_pass_phuff JPP

(

(j_compress_ptr cinfo)

)

METHODDEF void start_pass_phuff	(	j_compress_ptr	cinfo,
		boolean	gather_statistics
	)

Definition at line 106 of file jcphuff.c.