JPEG2000 tables. More...

#include "mqc.h"
#include "j2k_dwt.h"

Include dependency graph for j2k.h:

This graph shows which files directly or indirectly include this file:

Data Structures
struct	J2kT1Context

struct	J2kTgtNode

struct	J2kCodingStyle

struct	J2kQuantStyle

struct	J2kPass

struct	J2kCblk

struct	J2kPrec

struct	J2kBand

struct	J2kResLevel

struct	J2kComponent

Macros
#define	J2K_MAX_CBLKW 64

#define	J2K_MAX_CBLKH 64

#define	J2K_T1_SIG_N 0x0001

#define	J2K_T1_SIG_E 0x0002

#define	J2K_T1_SIG_W 0x0004

#define	J2K_T1_SIG_S 0x0008

#define	J2K_T1_SIG_NE 0x0010

#define	J2K_T1_SIG_NW 0x0020

#define	J2K_T1_SIG_SE 0x0040

#define	J2K_T1_SIG_SW 0x0080

#define	J2K_T1_SIG_NB

#define	J2K_T1_SGN_N 0x0100

#define	J2K_T1_SGN_S 0x0200

#define	J2K_T1_SGN_W 0x0400

#define	J2K_T1_SGN_E 0x0800

#define	J2K_T1_VIS 0x1000

#define	J2K_T1_SIG 0x2000

#define	J2K_T1_REF 0x4000

#define	J2K_T1_SGN 0x8000

#define	J2K_CBLK_BYPASS 0x01

#define	J2K_CBLK_RESET 0x02

#define	J2K_CBLK_TERMALL 0x04

#define	J2K_CBLK_VSC 0x08

#define	J2K_CBLK_PREDTERM 0x10

#define	J2K_CBLK_SEGSYM 0x20

#define	J2K_CSTY_PREC 0x01

#define	J2K_CSTY_SOP 0x02

#define	J2K_CSTY_EPH 0x04

Typedefs
typedef struct J2kTgtNode	J2kTgtNode

Enumerations
enum	J2kMarkers { J2K_SOC = 0xff4f, J2K_SIZ = 0xff51, J2K_COD, J2K_COC, J2K_TLM = 0xff55, J2K_PLM = 0xff57, J2K_PLT, J2K_QCD = 0xff5c, J2K_QCC, J2K_RGN, J2K_POC, J2K_PPM, J2K_PPT, J2K_CRG = 0xff63, J2K_COM, J2K_SOT = 0xff90, J2K_SOP, J2K_EPH, J2K_SOD, J2K_EOC = 0xffd9 }

enum	J2kQuantsty { J2K_QSTY_NONE, J2K_QSTY_SI, J2K_QSTY_SE }

Functions
static int	ff_j2k_ceildivpow2 (int a, int b)

static int	ff_j2k_ceildiv (int a, int b)

J2kTgtNode *	ff_j2k_tag_tree_init (int w, int h)

void	ff_j2k_init_tier1_luts (void)

void	ff_j2k_set_significant (J2kT1Context *t1, int x, int y, int negative)

static int	ff_j2k_getnbctxno (int flag, int bandno, int vert_causal_ctx_csty_symbol)

static int	ff_j2k_getrefctxno (int flag)

static int	ff_j2k_getsgnctxno (int flag, int *xorbit)

int	ff_j2k_init_component (J2kComponent comp, J2kCodingStyle codsty, J2kQuantStyle *qntsty, int cbps, int dx, int dy)

void	ff_j2k_reinit (J2kComponent comp, J2kCodingStyle codsty)

void	ff_j2k_cleanup (J2kComponent comp, J2kCodingStyle codsty)

Variables
uint8_t	ff_j2k_nbctxno_lut [256][4]

uint8_t	ff_j2k_sgnctxno_lut [16][16]

uint8_t	ff_j2k_xorbit_lut [16][16]

Detailed Description

JPEG2000 tables.

Author: Kamil Nowosad

Definition in file j2k.h.

Macro Definition Documentation

#define J2K_CBLK_BYPASS 0x01

Definition at line 91 of file j2k.h.

Referenced by decode_cblk().

#define J2K_CBLK_PREDTERM 0x10

Definition at line 95 of file j2k.h.

#define J2K_CBLK_RESET 0x02

Definition at line 92 of file j2k.h.

#define J2K_CBLK_SEGSYM 0x20

Definition at line 96 of file j2k.h.

Referenced by decode_cblk().

#define J2K_CBLK_TERMALL 0x04

Definition at line 93 of file j2k.h.

#define J2K_CBLK_VSC 0x08

Definition at line 94 of file j2k.h.

Referenced by decode_cblk().

#define J2K_CSTY_EPH 0x04

Definition at line 101 of file j2k.h.

Referenced by decode_packet().

#define J2K_CSTY_PREC 0x01

Definition at line 99 of file j2k.h.

Referenced by get_cox().

#define J2K_CSTY_SOP 0x02

Definition at line 100 of file j2k.h.

#define J2K_MAX_CBLKH 64

Definition at line 64 of file j2k.h.

#define J2K_MAX_CBLKW 64

Definition at line 63 of file j2k.h.

#define J2K_T1_REF 0x4000

Definition at line 86 of file j2k.h.

Referenced by decode_refpass(), and encode_refpass().

#define J2K_T1_SGN 0x8000

Definition at line 88 of file j2k.h.

Referenced by encode_cblk().

#define J2K_T1_SGN_E 0x0800

Definition at line 82 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getsgnctxno().

#define J2K_T1_SGN_N 0x0100

Definition at line 79 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getsgnctxno().

#define J2K_T1_SGN_S 0x0200

Definition at line 80 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getsgnctxno().

#define J2K_T1_SGN_W 0x0400

Definition at line 81 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getsgnctxno().

#define J2K_T1_SIG 0x2000

Definition at line 85 of file j2k.h.

Referenced by decode_clnpass(), decode_refpass(), decode_sigpass(), encode_clnpass(), encode_refpass(), encode_sigpass(), and ff_j2k_set_significant().

#define J2K_T1_SIG_E 0x0002

Definition at line 69 of file j2k.h.

Referenced by ff_j2k_set_significant(), getnbctxno(), and getsgnctxno().

#define J2K_T1_SIG_N 0x0001

Definition at line 68 of file j2k.h.

Referenced by ff_j2k_set_significant(), getnbctxno(), and getsgnctxno().

#define J2K_T1_SIG_NB

Value:

(J2K_T1_SIG_N | J2K_T1_SIG_E | J2K_T1_SIG_S | J2K_T1_SIG_W \

|J2K_T1_SIG_NE | J2K_T1_SIG_NW | J2K_T1_SIG_SE | J2K_T1_SIG_SW)

J2K_T1_SIG_NE

#define J2K_T1_SIG_NE

Definition: j2k.h:72

J2K_T1_SIG_S

#define J2K_T1_SIG_S

Definition: j2k.h:71

J2K_T1_SIG_E

#define J2K_T1_SIG_E

Definition: j2k.h:69

J2K_T1_SIG_SW

#define J2K_T1_SIG_SW

Definition: j2k.h:75

J2K_T1_SIG_N

#define J2K_T1_SIG_N

Definition: j2k.h:68

J2K_T1_SIG_W

#define J2K_T1_SIG_W

Definition: j2k.h:70

J2K_T1_SIG_SE

#define J2K_T1_SIG_SE

Definition: j2k.h:74

J2K_T1_SIG_NW

#define J2K_T1_SIG_NW

Definition: j2k.h:73

Definition at line 76 of file j2k.h.

Referenced by decode_clnpass(), decode_sigpass(), encode_clnpass(), and encode_sigpass().

#define J2K_T1_SIG_NE 0x0010

Definition at line 72 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getnbctxno().

#define J2K_T1_SIG_NW 0x0020

Definition at line 73 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getnbctxno().

#define J2K_T1_SIG_S 0x0008

Definition at line 71 of file j2k.h.

Referenced by ff_j2k_set_significant(), getnbctxno(), and getsgnctxno().

#define J2K_T1_SIG_SE 0x0040

Definition at line 74 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getnbctxno().

#define J2K_T1_SIG_SW 0x0080

Definition at line 75 of file j2k.h.

Referenced by ff_j2k_set_significant(), and getnbctxno().

#define J2K_T1_SIG_W 0x0004

Definition at line 70 of file j2k.h.

Referenced by ff_j2k_set_significant(), getnbctxno(), and getsgnctxno().

#define J2K_T1_VIS 0x1000

Definition at line 84 of file j2k.h.

Referenced by decode_clnpass(), decode_refpass(), decode_sigpass(), encode_clnpass(), encode_refpass(), and encode_sigpass().

Typedef Documentation

typedef struct J2kTgtNode J2kTgtNode

Enumeration Type Documentation

enum J2kMarkers

Enumerator
J2K_SOC	start of codestream
J2K_SIZ	image and tile size
J2K_COD	coding style default
J2K_COC	coding style component
J2K_TLM	packed packet headers, tile-part header
J2K_PLM	tile-part lengths
J2K_PLT	packet length, main header
J2K_QCD	quantization default
J2K_QCC	quantization component
J2K_RGN	region of interest
J2K_POC	progression order change
J2K_PPM	packet length, tile-part header
J2K_PPT	packed packet headers, main header
J2K_CRG	component registration
J2K_COM	comment
J2K_SOT	start of tile-part
J2K_SOP	start of packet
J2K_EPH	end of packet header
J2K_SOD	start of data
J2K_EOC	end of codestream