jpegint.h File Reference

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Classes
struct	jpeg_comp_master
struct	jpeg_c_main_controller
struct	jpeg_c_prep_controller
struct	jpeg_c_coef_controller
struct	jpeg_color_converter
struct	jpeg_downsampler
struct	jpeg_forward_dct
struct	jpeg_entropy_encoder
struct	jpeg_marker_writer
struct	jpeg_decomp_master
struct	jpeg_input_controller
struct	jpeg_d_main_controller
struct	jpeg_d_coef_controller
struct	jpeg_d_post_controller
struct	jpeg_marker_reader
struct	jpeg_entropy_decoder
struct	jpeg_inverse_dct
struct	jpeg_upsampler
struct	jpeg_color_deconverter
struct	jpeg_color_quantizer

Macros
#define	CSTATE_START   100 /* after create_compress */
#define	CSTATE_SCANNING   101 /* start_compress done, write_scanlines OK */
#define	CSTATE_RAW_OK   102 /* start_compress done, write_raw_data OK */
#define	CSTATE_WRCOEFS   103 /* jpeg_write_coefficients done */
#define	DSTATE_START   200 /* after create_decompress */
#define	DSTATE_INHEADER   201 /* reading header markers, no SOS yet */
#define	DSTATE_READY   202 /* found SOS, ready for start_decompress */
#define	DSTATE_PRELOAD   203 /* reading multiscan file in start_decompress*/
#define	DSTATE_PRESCAN   204 /* performing dummy pass for 2-pass quant */
#define	DSTATE_SCANNING   205 /* start_decompress done, read_scanlines OK */
#define	DSTATE_RAW_OK   206 /* start_decompress done, read_raw_data OK */
#define	DSTATE_BUFIMAGE   207 /* expecting jpeg_start_output */
#define	DSTATE_BUFPOST   208 /* looking for SOS/EOI in jpeg_finish_output */
#define	DSTATE_RDCOEFS   209 /* reading file in jpeg_read_coefficients */
#define	DSTATE_STOPPING   210 /* looking for EOI in jpeg_finish_decompress */
#define	MAX(a, b)   ((a) > (b) ? (a) : (b))
#define	MIN(a, b)   ((a) < (b) ? (a) : (b))
#define	SHIFT_TEMPS
#define	RIGHT_SHIFT(x, shft)   ((x) >> (shft))

Enumerations
enum	J_BUF_MODE { JBUF_PASS_THRU, JBUF_SAVE_SOURCE, JBUF_CRANK_DEST, JBUF_SAVE_AND_PASS }

Functions
typedef	JMETHOD (void, inverse_DCT_method_ptr,(j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col))
	EXTERN (void) jinit_compress_master JPP((j_compress_ptr cinfo))
	EXTERN (long) jdiv_round_up JPP((long a

Variables
boolean	transcode_only
boolean	need_full_buffer
long	b
int	source_row
int JSAMPARRAY	output_array
int JSAMPARRAY int	dest_row
int JSAMPARRAY int int	num_rows
int JSAMPARRAY int int JDIMENSION	num_cols
JBLOCKROW	output_row
JBLOCKROW JDIMENSION	num_blocks
size_t	bytestozero
const int	jpeg_natural_order []

Macro Definition Documentation

CSTATE_RAW_OK

#define CSTATE_RAW_OK   102 /* start_compress done, write_raw_data OK */

Definition at line 27 of file jpegint.h.

Referenced by jpeg_finish_compress(), jpeg_start_compress(), jpeg_write_m_header(), jpeg_write_marker(), and jpeg_write_raw_data().

CSTATE_SCANNING

#define CSTATE_SCANNING   101 /* start_compress done, write_scanlines OK */

Definition at line 26 of file jpegint.h.

Referenced by jpeg_finish_compress(), jpeg_start_compress(), jpeg_write_m_header(), jpeg_write_marker(), and jpeg_write_scanlines().

CSTATE_START

#define CSTATE_START   100 /* after create_compress */

Definition at line 25 of file jpegint.h.

Referenced by jpeg_abort(), jpeg_add_quant_table(), jpeg_copy_critical_parameters(), jpeg_CreateCompress(), jpeg_set_colorspace(), jpeg_set_defaults(), jpeg_simple_progression(), jpeg_start_compress(), and jpeg_write_tables().

CSTATE_WRCOEFS

#define CSTATE_WRCOEFS   103 /* jpeg_write_coefficients done */

Definition at line 28 of file jpegint.h.

Referenced by jpeg_finish_compress(), jpeg_write_m_header(), and jpeg_write_marker().

DSTATE_BUFIMAGE

#define DSTATE_BUFIMAGE   207 /* expecting jpeg_start_output */

Definition at line 36 of file jpegint.h.

Referenced by jpeg_consume_input(), jpeg_finish_decompress(), jpeg_finish_output(), jpeg_new_colormap(), and jpeg_start_output().

DSTATE_BUFPOST

#define DSTATE_BUFPOST   208 /* looking for SOS/EOI in jpeg_finish_output */

Definition at line 37 of file jpegint.h.

Referenced by jpeg_consume_input(), and jpeg_finish_output().

DSTATE_INHEADER

#define DSTATE_INHEADER   201 /* reading header markers, no SOS yet */

Definition at line 30 of file jpegint.h.

Referenced by jpeg_consume_input(), and jpeg_read_header().

DSTATE_PRELOAD

#define DSTATE_PRELOAD   203 /* reading multiscan file in start_decompress*/

Definition at line 32 of file jpegint.h.

Referenced by jpeg_consume_input().

DSTATE_PRESCAN

#define DSTATE_PRESCAN   204 /* performing dummy pass for 2-pass quant */

Definition at line 33 of file jpegint.h.

Referenced by jpeg_consume_input(), jpeg_start_output(), and output_pass_setup().

DSTATE_RAW_OK

#define DSTATE_RAW_OK   206 /* start_decompress done, read_raw_data OK */

Definition at line 35 of file jpegint.h.

Referenced by jpeg_consume_input(), jpeg_finish_decompress(), jpeg_finish_output(), jpeg_read_raw_data(), and output_pass_setup().

DSTATE_RDCOEFS

#define DSTATE_RDCOEFS   209 /* reading file in jpeg_read_coefficients */

Definition at line 38 of file jpegint.h.

DSTATE_READY

#define DSTATE_READY   202 /* found SOS, ready for start_decompress */

Definition at line 31 of file jpegint.h.

Referenced by jpeg_calc_output_dimensions(), jpeg_consume_input(), and jpeg_has_multiple_scans().

DSTATE_SCANNING

#define DSTATE_SCANNING   205 /* start_decompress done, read_scanlines OK */

Definition at line 34 of file jpegint.h.

Referenced by jpeg_consume_input(), jpeg_finish_decompress(), jpeg_finish_output(), jpeg_read_scanlines(), and output_pass_setup().

DSTATE_START

#define DSTATE_START   200 /* after create_decompress */

Definition at line 29 of file jpegint.h.

Referenced by jpeg_abort(), jpeg_consume_input(), jpeg_CreateDecompress(), jpeg_input_complete(), and jpeg_read_header().

DSTATE_STOPPING

#define DSTATE_STOPPING   210 /* looking for EOI in jpeg_finish_decompress */

Definition at line 39 of file jpegint.h.

Referenced by jpeg_consume_input(), jpeg_finish_decompress(), jpeg_has_multiple_scans(), and jpeg_input_complete().

MAX

#define MAX	(		a,
			b
	)		((a) > (b) ? (a) : (b))

Definition at line 267 of file jpegint.h.

Referenced by initial_setup(), and jpeg_simple_progression().

MIN

#define MIN	(		a,
			b
	)		((a) < (b) ? (a) : (b))

Definition at line 269 of file jpegint.h.

Referenced by alloc_barray(), alloc_sarray(), do_barray_io(), do_sarray_io(), per_scan_setup(), pre_process_context(), and pre_process_data().

RIGHT_SHIFT

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

Definition at line 290 of file jpegint.h.

Referenced by build_ycc_rgb_table(), h2v1_merged_upsample(), h2v2_merged_upsample(), pass2_fs_dither(), quantize_fs_dither(), ycc_rgb_convert(), and ycck_cmyk_convert().

SHIFT_TEMPS

#define SHIFT_TEMPS

Definition at line 289 of file jpegint.h.

Referenced by build_ycc_rgb_table(), h2v1_merged_upsample(), h2v2_merged_upsample(), jpeg_fdct_ifast(), jpeg_fdct_islow(), jpeg_idct_1x1(), jpeg_idct_2x2(), jpeg_idct_4x4(), jpeg_idct_float(), jpeg_idct_ifast(), jpeg_idct_islow(), pass2_fs_dither(), quantize_fs_dither(), start_pass(), start_pass_fdctmgr(), ycc_rgb_convert(), and ycck_cmyk_convert().

Enumeration Type Documentation

J_BUF_MODE

enum J_BUF_MODE

Enumerator
JBUF_PASS_THRU
JBUF_SAVE_SOURCE
JBUF_CRANK_DEST
JBUF_SAVE_AND_PASS

Definition at line 16 of file jpegint.h.

Function Documentation

EXTERN() [1/2]

EXTERN

(

void

)

EXTERN() [2/2]

EXTERN

(

long

)

JMETHOD()

typedef JMETHOD	(	void	,
		inverse_DCT_method_ptr	,
		(j_decompress_ptr cinfo, jpeg_component_info *compptr, JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)
	)

Variable Documentation

b

long b

Definition at line 371 of file jpegint.h.

bytestozero

size_t bytestozero

Definition at line 378 of file jpegint.h.

Referenced by jzero_far().

dest_row

int JSAMPARRAY int dest_row

Definition at line 373 of file jpegint.h.

Referenced by jcopy_sample_rows().

jpeg_natural_order

const int jpeg_natural_order[]

Definition at line 53 of file jutils.c.

Referenced by decode_mcu(), decode_mcu_AC_first(), decode_mcu_AC_refine(), emit_dqt(), encode_mcu_AC_first(), encode_mcu_AC_refine(), encode_one_block(), get_dqt(), and htest_one_block().

need_full_buffer

boolean need_full_buffer

Definition at line 338 of file jpegint.h.

Referenced by jinit_c_prep_controller(), and jinit_d_coef_controller().

num_blocks

JBLOCKROW JDIMENSION num_blocks

Definition at line 376 of file jpegint.h.

Referenced by forward_DCT(), forward_DCT_float(), and jcopy_block_row().

num_cols

int JSAMPARRAY int int JDIMENSION num_cols

Definition at line 373 of file jpegint.h.

Referenced by cmyk_ycck_convert(), expand_bottom_edge(), gray_rgb_convert(), grayscale_convert(), null_convert(), rgb_gray_convert(), rgb_ycc_convert(), ycc_rgb_convert(), and ycck_cmyk_convert().

num_rows

png_bytepp png_uint_32 num_rows

Definition at line 373 of file jpegint.h.

Referenced by access_virt_barray(), access_virt_sarray(), cmyk_ycck_convert(), color_quantize(), color_quantize3(), expand_right_edge(), gray_rgb_convert(), grayscale_convert(), merged_2v_upsample(), null_convert(), pass2_fs_dither(), pass2_no_dither(), post_process_1pass(), post_process_2pass(), post_process_prepass(), prescan_quantize(), quantize3_ord_dither(), quantize_fs_dither(), quantize_ord_dither(), rgb_gray_convert(), rgb_ycc_convert(), sep_upsample(), ycc_rgb_convert(), and ycck_cmyk_convert().

output_array

int JSAMPARRAY output_array

Definition at line 373 of file jpegint.h.

output_row

JBLOCKROW output_row

Definition at line 376 of file jpegint.h.

Referenced by cmyk_ycck_convert(), grayscale_convert(), jcopy_block_row(), null_convert(), rgb_gray_convert(), and rgb_ycc_convert().

source_row

int source_row

Definition at line 373 of file jpegint.h.

Referenced by get_memory_row(), and jcopy_sample_rows().

transcode_only

boolean transcode_only

Definition at line 336 of file jpegint.h.

Referenced by jinit_c_master_control().