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jchuff.c File Reference

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

Define Documentation

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

Definition at line 67 of file jchuff.c.

Referenced by decode_mcu(), decode_mcu_DC_first(), decode_mcu_sub(), encode_mcu_huff(), and finish_pass_huff().

#define emit_byte_e	(	entropy,
		val		)

Value:

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

Definition at line 262 of file jchuff.c.

Referenced by emit_bits_e(), and emit_restart_e().

#define emit_byte_s	(	state,
		val,
		action	)

Value:

{ *(state)->next_output_byte++ = (JOCTET) (val);  \
          if (--(state)->free_in_buffer == 0)  \
            if (! dump_buffer_s(state))  \
              { action; } }

Definition at line 255 of file jchuff.c.

Referenced by emit_bits_s(), and emit_restart_s().

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

Definition at line 151 of file jchuff.c.

#define ISHIFT_TEMPS

Definition at line 150 of file jchuff.c.

#define JPEG_INTERNALS

Definition at line 23 of file jchuff.c.

#define MAX_CLEN 32

Referenced by jpeg_gen_optimal_table().

#define MAX_COEF_BITS 10

Definition at line 35 of file jchuff.c.

Referenced by encode_mcu_AC_first(), encode_mcu_DC_first(), encode_one_block(), and htest_one_block().

#define MAX_CORR_BITS 1000

Definition at line 136 of file jchuff.c.

Referenced by encode_mcu_AC_refine(), METHODDEF(), and start_pass_huff().

Typedef Documentation

typedef huff_entropy_encoder* huff_entropy_ptr

Definition at line 117 of file jchuff.c.

Function Documentation

dump_buffer_e ( huff_entropy_ptr entropy )

Definition at line 284 of file jchuff.c.

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

dump_buffer_s ( working_state * state )

Definition at line 269 of file jchuff.c.

References FALSE, jpeg_destination_mgr::free_in_buffer, jpeg_destination_mgr::next_output_byte, and TRUE.

INLINE emit_ac_symbol	(	huff_entropy_ptr	entropy,
		int	tbl_no,
		int	symbol
	)

Definition at line 424 of file jchuff.c.

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

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

INLINE emit_bits_e	(	huff_entropy_ptr	entropy,
		unsigned int	code,
		int	size
	)

Definition at line 346 of file jchuff.c.

References c, emit_byte_e, ERREXIT, and int.

Referenced by emit_ac_symbol(), emit_buffered_bits(), emit_dc_symbol(), emit_eobrun(), encode_mcu_AC_first(), encode_mcu_AC_refine(), encode_mcu_DC_first(), encode_mcu_DC_refine(), and flush_bits_e().

INLINE emit_bits_s	(	working_state *	state,
		unsigned int	code,
		int	size
	)

Definition at line 307 of file jchuff.c.

References c, emit_byte_s, ERREXIT, FALSE, int, and TRUE.

Referenced by encode_one_block(), and flush_bits_s().

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

Definition at line 440 of file jchuff.c.

References emit_bits_e().

Referenced by emit_eobrun(), and encode_mcu_AC_refine().

INLINE emit_dc_symbol	(	huff_entropy_ptr	entropy,
		int	tbl_no,
		int	symbol
	)

Definition at line 411 of file jchuff.c.

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

Referenced by encode_mcu_DC_first().

emit_eobrun ( huff_entropy_ptr entropy )

Definition at line 459 of file jchuff.c.

References emit_ac_symbol(), emit_bits_e(), emit_buffered_bits(), ERREXIT, and nbits.

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

emit_restart_e	(	huff_entropy_ptr	entropy,
		int	restart_num
	)

Definition at line 511 of file jchuff.c.

References emit_byte_e, emit_eobrun(), flush_bits_e(), and JPEG_RST0.

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

emit_restart_s	(	working_state *	state,
		int	restart_num
	)

Definition at line 490 of file jchuff.c.

References emit_byte_s, FALSE, flush_bits_s(), JPEG_RST0, and TRUE.

Referenced by encode_mcu_huff().

encode_mcu_AC_first	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 628 of file jchuff.c.

References huff_entropy_encoder::ac_tbl_no, Al, emit_ac_symbol(), emit_bits_e(), emit_eobrun(), emit_restart_e(), huff_entropy_encoder::EOBRUN, ERREXIT, huff_entropy_encoder::free_in_buffer, if(), k, MAX_COEF_BITS, nbits, huff_entropy_encoder::next_output_byte, huff_entropy_encoder::next_restart_num, huff_entropy_encoder::restarts_to_go, and TRUE.

encode_mcu_AC_refine	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

encode_mcu_DC_first	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

encode_mcu_DC_refine	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 739 of file jchuff.c.

References Al, emit_bits_e(), emit_restart_e(), huff_entropy_encoder::free_in_buffer, if(), huff_entropy_encoder::next_output_byte, huff_entropy_encoder::next_restart_num, huff_entropy_encoder::restarts_to_go, and TRUE.

encode_mcu_gather	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 1197 of file jchuff.c.

References huff_entropy_encoder::ac_count_ptrs, compptr, huff_entropy_encoder::dc_count_ptrs, htest_one_block(), if(), savable_state::last_dc_val, huff_entropy_encoder::restarts_to_go, huff_entropy_encoder::saved, and TRUE.

Referenced by start_pass_huff().

encode_mcu_huff	(	j_compress_ptr	cinfo,
		JBLOCKROW *	MCU_data
	)

Definition at line 1016 of file jchuff.c.

References huff_entropy_encoder::ac_derived_tbls, jpeg_component_info::ac_tbl_no, ASSIGN_STATE, compptr, huff_entropy_encoder::dc_derived_tbls, jpeg_component_info::dc_tbl_no, emit_restart_s(), encode_one_block(), FALSE, if(), huff_entropy_encoder::next_restart_num, huff_entropy_encoder::restarts_to_go, huff_entropy_encoder::saved, and TRUE.

Referenced by start_pass_huff().

encode_one_block	(	working_state *	state,
		JCOEFPTR	block,
		int	last_dc_val,
		c_derived_tbl *	dctbl,
		c_derived_tbl *	actbl
	)

Definition at line 916 of file jchuff.c.

References emit_bits_s(), ERREXIT, FALSE, i, if(), k, MAX_COEF_BITS, nbits, and TRUE.

Referenced by encode_mcu_huff().

finish_pass_gather ( j_compress_ptr cinfo )

Definition at line 1397 of file jchuff.c.

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

Referenced by start_pass_huff().

finish_pass_huff ( j_compress_ptr cinfo )

Definition at line 1073 of file jchuff.c.

References ASSIGN_STATE, working_state::cinfo, working_state::cur, emit_eobrun(), ERREXIT, flush_bits_e(), flush_bits_s(), huff_entropy_encoder::free_in_buffer, working_state::free_in_buffer, if(), working_state::next_output_byte, huff_entropy_encoder::next_output_byte, and huff_entropy_encoder::saved.

Referenced by start_pass_huff().

flush_bits_e ( huff_entropy_ptr entropy )

Definition at line 397 of file jchuff.c.

References emit_bits_e().

Referenced by emit_restart_e(), and finish_pass_huff().

flush_bits_s ( working_state * state )

Definition at line 386 of file jchuff.c.

References emit_bits_s(), FALSE, and TRUE.

Referenced by emit_restart_s(), and finish_pass_huff().

htest_one_block	(	j_compress_ptr	cinfo,
		JCOEFPTR	block,
		int	last_dc_val,
		long	dc_counts[],
		long	ac_counts[]
	)

Definition at line 1122 of file jchuff.c.

References ERREXIT, k, MAX_COEF_BITS, and nbits.

Referenced by encode_mcu_gather().

jinit_huff_encoder ( j_compress_ptr cinfo )

Definition at line 1557 of file jchuff.c.

References huff_entropy_encoder::ac_count_ptrs, huff_entropy_encoder::ac_derived_tbls, huff_entropy_encoder::bit_buffer, huff_entropy_encoder::dc_count_ptrs, huff_entropy_encoder::dc_derived_tbls, i, JPOOL_IMAGE, NULL, NUM_HUFF_TBLS, huff_entropy_encoder::pub, SIZEOF, and start_pass_huff().

Referenced by jinit_compress_master(), and transencode_master_selection().

jpeg_gen_optimal_table	(	j_compress_ptr	cinfo,
		JHUFF_TBL *	htbl,
		long	freq[]
	)

Definition at line 1256 of file jchuff.c.

References bits, c1, ERREXIT, FALSE, i, j, RooFitShortHand::L(), MAX_CLEN, MEMCOPY, MEMZERO, p, and SIZEOF.

Referenced by finish_pass_gather(), and finish_pass_gather_phuff().

jpeg_make_c_derived_tbl	(	j_compress_ptr	cinfo,
		boolean	isDC,
		int	tblno,
		c_derived_tbl **	pdtbl
	)

Definition at line 161 of file jchuff.c.

References JHUFF_TBL::bits, c_derived_tbl::ehufco, c_derived_tbl::ehufsi, ERREXIT, ERREXIT1, htbl, JHUFF_TBL::huffval, i, if(), JPOOL_IMAGE, l, MEMZERO, NULL, NUM_HUFF_TBLS, p, and SIZEOF.

Referenced by METHODDEF(), and start_pass_huff().

start_pass_huff	(	j_compress_ptr	cinfo,
		boolean	gather_statistics
	)

Definition at line 1451 of file jchuff.c.

Referenced by jinit_huff_encoder().

Generated on Tue Jul 5 15:57:55 2011 for ROOT_528-00b_version by

1.5.1


Classes
struct	c_derived_tbl
struct	savable_state
struct	huff_entropy_encoder
struct	working_state
Defines
#define	JPEG_INTERNALS
#define	MAX_COEF_BITS 10
#define	ASSIGN_STATE(dest, src) ((dest) = (src))
#define	MAX_CORR_BITS 1000
#define	ISHIFT_TEMPS
#define	IRIGHT_SHIFT(x, shft) ((x) >> (shft))
#define	emit_byte_s(state, val, action)
#define	emit_byte_e(entropy, val)
#define	MAX_CLEN 32
Typedefs
typedef huff_entropy_encoder *	huff_entropy_ptr
Functions
	jpeg_make_c_derived_tbl (j_compress_ptr cinfo, boolean isDC, int tblno, c_derived_tbl **pdtbl)
	dump_buffer_s (working_state *state)
	dump_buffer_e (huff_entropy_ptr entropy)
INLINE	emit_bits_s (working_state *state, unsigned int code, int size)
INLINE	emit_bits_e (huff_entropy_ptr entropy, unsigned int code, int size)
	flush_bits_s (working_state *state)
	flush_bits_e (huff_entropy_ptr entropy)
INLINE	emit_dc_symbol (huff_entropy_ptr entropy, int tbl_no, int symbol)
INLINE	emit_ac_symbol (huff_entropy_ptr entropy, int tbl_no, int symbol)
	emit_buffered_bits (huff_entropy_ptr entropy, char *bufstart, unsigned int nbits)
	emit_eobrun (huff_entropy_ptr entropy)
	emit_restart_s (working_state *state, int restart_num)
	emit_restart_e (huff_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)
	encode_one_block (working_state state, JCOEFPTR block, int last_dc_val, c_derived_tbl dctbl, c_derived_tbl *actbl)
	encode_mcu_huff (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	finish_pass_huff (j_compress_ptr cinfo)
	htest_one_block (j_compress_ptr cinfo, JCOEFPTR block, int last_dc_val, long dc_counts[], long ac_counts[])
	encode_mcu_gather (j_compress_ptr cinfo, JBLOCKROW *MCU_data)
	jpeg_gen_optimal_table (j_compress_ptr cinfo, JHUFF_TBL *htbl, long freq[])
	finish_pass_gather (j_compress_ptr cinfo)
	start_pass_huff (j_compress_ptr cinfo, boolean gather_statistics)
	jinit_huff_encoder (j_compress_ptr cinfo)

jchuff.c File Reference

Classes

Defines

Typedefs

Functions

Define Documentation

Typedef Documentation

Function Documentation