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

Include dependency graph for jcphuff.c:

Classes
struct	phuff_entropy_encoder
Defines
#define	JPEG_INTERNALS
#define	MAX_CORR_BITS 1000
#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)
	dump_buffer (phuff_entropy_ptr entropy)
INLINE	emit_bits (phuff_entropy_ptr entropy, unsigned int code, int size)
	flush_bits (phuff_entropy_ptr entropy)
INLINE	emit_symbol (phuff_entropy_ptr entropy, int tbl_no, int symbol)
	emit_buffered_bits (phuff_entropy_ptr entropy, char *bufstart, unsigned int nbits)
	emit_eobrun (phuff_entropy_ptr entropy)
	emit_restart (phuff_entropy_ptr entropy, int restart_num)
	encode_mcu_DC_first (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	encode_mcu_AC_first (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	encode_mcu_DC_refine (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	encode_mcu_AC_refine (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	finish_pass_phuff (j_compress_ptr cinfo)
	finish_pass_gather_phuff (j_compress_ptr cinfo)
	jinit_phuff_encoder (j_compress_ptr cinfo)

Define 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 198 of file jcphuff.c.

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

Definition at line 85 of file jcphuff.c.

Referenced by encode_mcu_DC_first().

#define ISHIFT_TEMPS

Definition at line 84 of file jcphuff.c.

Referenced by encode_mcu_DC_first().

#define JPEG_INTERNALS

Definition at line 15 of file jcphuff.c.

#define MAX_CORR_BITS 1000

Definition at line 70 of file jcphuff.c.

Referenced by encode_mcu_AC_refine(), and METHODDEF().

Typedef Documentation

typedef phuff_entropy_encoder* phuff_entropy_ptr

Definition at line 62 of file jcphuff.c.

Function Documentation

dump_buffer ( phuff_entropy_ptr entropy )

Definition at line 205 of file jcphuff.c.

References ERREXIT, jpeg_destination_mgr::free_in_buffer, and jpeg_destination_mgr::next_output_byte.

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

Definition at line 228 of file jcphuff.c.

References emit_byte, ERREXIT, int, and size.

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

Definition at line 297 of file jcphuff.c.

References emit_bits().

Referenced by emit_eobrun(), and encode_mcu_AC_refine().

emit_eobrun ( phuff_entropy_ptr entropy )

Definition at line 316 of file jcphuff.c.

References emit_bits(), emit_buffered_bits(), emit_symbol(), ERREXIT, and nbits.

Referenced by emit_restart(), encode_mcu_AC_first(), encode_mcu_AC_refine(), finish_pass_gather_phuff(), and finish_pass_phuff().

emit_restart	(	phuff_entropy_ptr	entropy,
		int	restart_num
	)

Definition at line 347 of file jcphuff.c.

References emit_byte, emit_eobrun(), flush_bits(), and JPEG_RST0.

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

Definition at line 281 of file jcphuff.c.

References c_derived_tbl::ehufco, c_derived_tbl::ehufsi, and emit_bits().

Referenced by emit_eobrun(), encode_mcu_AC_first(), encode_mcu_AC_refine(), and encode_mcu_DC_first().

encode_mcu_AC_first	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 464 of file jcphuff.c.

References phuff_entropy_encoder::ac_tbl_no, emit_bits(), emit_eobrun(), emit_restart(), emit_symbol(), phuff_entropy_encoder::EOBRUN, ERREXIT, phuff_entropy_encoder::free_in_buffer, jpeg_natural_order, MAX_COEF_BITS, nbits, phuff_entropy_encoder::next_output_byte, phuff_entropy_encoder::next_restart_num, phuff_entropy_encoder::restarts_to_go, and TRUE.

Referenced by METHODDEF().

encode_mcu_AC_refine	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

encode_mcu_DC_first	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 377 of file jcphuff.c.

References compptr, jpeg_component_info::dc_tbl_no, emit_bits(), emit_restart(), emit_symbol(), ERREXIT, phuff_entropy_encoder::free_in_buffer, IRIGHT_SHIFT, ISHIFT_TEMPS, phuff_entropy_encoder::last_dc_val, MAX_COEF_BITS, nbits, phuff_entropy_encoder::next_output_byte, phuff_entropy_encoder::next_restart_num, phuff_entropy_encoder::restarts_to_go, and TRUE.

Referenced by METHODDEF().

encode_mcu_DC_refine	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 571 of file jcphuff.c.

References emit_bits(), emit_restart(), phuff_entropy_encoder::free_in_buffer, phuff_entropy_encoder::next_output_byte, phuff_entropy_encoder::next_restart_num, phuff_entropy_encoder::restarts_to_go, and TRUE.

Referenced by METHODDEF().

finish_pass_gather_phuff ( j_compress_ptr cinfo )

Definition at line 767 of file jcphuff.c.

References jpeg_component_info::ac_tbl_no, compptr, phuff_entropy_encoder::count_ptrs, jpeg_component_info::dc_tbl_no, emit_eobrun(), jpeg_alloc_huff_table(), jpeg_gen_optimal_table(), MEMZERO, NULL, NUM_HUFF_TBLS, SIZEOF, and TRUE.

Referenced by METHODDEF().

finish_pass_phuff ( j_compress_ptr cinfo )

Definition at line 746 of file jcphuff.c.

References emit_eobrun(), flush_bits(), phuff_entropy_encoder::free_in_buffer, and phuff_entropy_encoder::next_output_byte.

Referenced by METHODDEF().

flush_bits ( phuff_entropy_ptr entropy )

Definition at line 267 of file jcphuff.c.

References emit_bits().

jinit_phuff_encoder ( j_compress_ptr cinfo )

Definition at line 814 of file jcphuff.c.

References phuff_entropy_encoder::bit_buffer, phuff_entropy_encoder::count_ptrs, phuff_entropy_encoder::derived_tbls, i, JPOOL_IMAGE, NULL, NUM_HUFF_TBLS, phuff_entropy_encoder::pub, and SIZEOF.

Referenced by jinit_compress_master(), and transencode_master_selection().

METHODDEF ( boolean )

Definition at line 89 of file jcphuff.c.

jcphuff.c File Reference

Classes

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation