T1 - Implementation of the tier-1 coding

Data Structures

struct  opj_t1
 Tier-1 coding (coding of code-block coefficients). More...

Defines

#define T1_NMSEDEC_BITS   7
#define T1_SIG_NE   0x0001
 Context orientation : North-East direction.
#define T1_SIG_SE   0x0002
 Context orientation : South-East direction.
#define T1_SIG_SW   0x0004
 Context orientation : South-West direction.
#define T1_SIG_NW   0x0008
 Context orientation : North-West direction.
#define T1_SIG_N   0x0010
 Context orientation : North direction.
#define T1_SIG_E   0x0020
 Context orientation : East direction.
#define T1_SIG_S   0x0040
 Context orientation : South direction.
#define T1_SIG_W   0x0080
 Context orientation : West direction.
#define T1_SIG_OTH   (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW)
#define T1_SIG_PRIM   (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)
#define T1_SGN_N   0x0100
#define T1_SGN_E   0x0200
#define T1_SGN_S   0x0400
#define T1_SGN_W   0x0800
#define T1_SGN   (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)
#define T1_SIG   0x1000
#define T1_REFINE   0x2000
#define T1_VISIT   0x4000
#define T1_NUMCTXS_ZC   9
#define T1_NUMCTXS_SC   5
#define T1_NUMCTXS_MAG   3
#define T1_NUMCTXS_AGG   1
#define T1_NUMCTXS_UNI   1
#define T1_CTXNO_ZC   0
#define T1_CTXNO_SC   (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
#define T1_CTXNO_MAG   (T1_CTXNO_SC+T1_NUMCTXS_SC)
#define T1_CTXNO_AGG   (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
#define T1_CTXNO_UNI   (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
#define T1_NUMCTXS   (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
#define T1_NMSEDEC_FRACBITS   (T1_NMSEDEC_BITS-1)
#define T1_TYPE_MQ   0
 Normal coding using entropy coder.
#define T1_TYPE_RAW   1
 No encoding the information is store under raw format in codestream (mode switch RAW).
#define MACRO_t1_flags(x, y)   t1->flags[((x)*(t1->flags_stride))+(y)]

Typedefs

typedef short flag_t
typedef struct opj_t1 opj_t1_t
 Tier-1 coding (coding of code-block coefficients).

Local static functions



static INLINE char t1_getctxno_zc (int f, int orient)
static char t1_getctxno_sc (int f)
static INLINE int t1_getctxno_mag (int f)
static char t1_getspb (int f)
static short t1_getnmsedec_sig (int x, int bitpos)
static short t1_getnmsedec_ref (int x, int bitpos)
static void t1_updateflags (flag_t *flagsp, int s, int stride)
static void t1_enc_sigpass_step (opj_t1_t *t1, flag_t *flagsp, int *datap, int orient, int bpno, int one, int *nmsedec, char type, int vsc)
 Encode significant pass.
static void t1_dec_sigpass_step (opj_t1_t *t1, flag_t *flagsp, int *datap, int orient, int oneplushalf, char type, int vsc)
 Decode significant pass.
static void t1_enc_sigpass (opj_t1_t *t1, int bpno, int orient, int *nmsedec, char type, int cblksty)
 Encode significant pass.
static void t1_dec_sigpass (opj_t1_t *t1, int bpno, int orient, char type, int cblksty)
 Decode significant pass.
static void t1_enc_refpass_step (opj_t1_t *t1, flag_t *flagsp, int *datap, int bpno, int one, int *nmsedec, char type, int vsc)
 Encode refinement pass.
static void t1_dec_refpass_step (opj_t1_t *t1, flag_t *flagsp, int *datap, int poshalf, int neghalf, char type, int vsc)
 Decode refinement pass.
static void t1_enc_refpass (opj_t1_t *t1, int bpno, int *nmsedec, char type, int cblksty)
 Encode refinement pass.
static void t1_dec_refpass (opj_t1_t *t1, int bpno, char type, int cblksty)
 Decode refinement pass.
static void t1_enc_clnpass_step (opj_t1_t *t1, flag_t *flagsp, int *datap, int orient, int bpno, int one, int *nmsedec, int partial, int vsc)
 Encode clean-up pass.
static void t1_dec_clnpass_step (opj_t1_t *t1, flag_t *flagsp, int *datap, int orient, int oneplushalf, int partial, int vsc)
 Decode clean-up pass.
static void t1_enc_clnpass (opj_t1_t *t1, int bpno, int orient, int *nmsedec, int cblksty)
 Encode clean-up pass.
static void t1_dec_clnpass (opj_t1_t *t1, int bpno, int orient, int cblksty)
 Decode clean-up pass.
static double t1_getwmsedec (int nmsedec, int compno, int level, int orient, int bpno, int qmfbid, double stepsize, int numcomps)
 mod fixed_quality
static void t1_encode_cblk (opj_t1_t *t1, opj_tcd_cblk_enc_t *cblk, int orient, int compno, int level, int qmfbid, double stepsize, int cblksty, int numcomps, opj_tcd_tile_t *tile)
 Encode 1 code-block.
static void t1_decode_cblk (opj_t1_t *t1, opj_tcd_cblk_dec_t *cblk, int orient, int roishift, int cblksty)
 Decode 1 code-block.

Exported functions



opj_t1_t * t1_create (opj_common_ptr cinfo)
 Create a new T1 handle and initialize the look-up tables of the Tier-1 coder/decoder.
void t1_destroy (opj_t1_t *t1)
 Destroy a previously created T1 handle.
void t1_encode_cblks (opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp)
 Encode the code-blocks of a tile.
void t1_decode_cblks (opj_t1_t *t1, opj_tcd_tilecomp_t *tilec, opj_tccp_t *tccp)
 Decode the code-blocks of a tile.

Define Documentation

#define MACRO_t1_flags ( x,
y   )     t1->flags[((x)*(t1->flags_stride))+(y)]

Referenced by t1_dec_clnpass(), and t1_enc_clnpass().

#define T1_CTXNO_AGG   (T1_CTXNO_MAG+T1_NUMCTXS_MAG)

Referenced by mqc_reset_enc(), t1_dec_clnpass(), t1_decode_cblk(), t1_enc_clnpass(), and t1_encode_cblk().

#define T1_CTXNO_MAG   (T1_CTXNO_SC+T1_NUMCTXS_SC)

Referenced by t1_getctxno_mag().

#define T1_CTXNO_SC   (T1_CTXNO_ZC+T1_NUMCTXS_ZC)

Referenced by t1_init_ctxno_sc().

#define T1_CTXNO_UNI   (T1_CTXNO_AGG+T1_NUMCTXS_AGG)

Referenced by mqc_reset_enc(), t1_dec_clnpass(), t1_decode_cblk(), t1_enc_clnpass(), and t1_encode_cblk().

#define T1_CTXNO_ZC   0

Referenced by mqc_reset_enc(), t1_decode_cblk(), t1_encode_cblk(), and t1_init_ctxno_zc().

#define T1_NMSEDEC_BITS   7

Referenced by main(), t1_getnmsedec_ref(), and t1_getnmsedec_sig().

#define T1_NMSEDEC_FRACBITS   (T1_NMSEDEC_BITS-1)

Referenced by main(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass(), t1_enc_refpass_step(), t1_enc_sigpass(), t1_enc_sigpass_step(), t1_encode_cblk(), t1_encode_cblks(), t1_getnmsedec_ref(), and t1_getnmsedec_sig().

#define T1_NUMCTXS   (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
#define T1_NUMCTXS_AGG   1
#define T1_NUMCTXS_MAG   3
#define T1_NUMCTXS_SC   5
#define T1_NUMCTXS_UNI   1
#define T1_NUMCTXS_ZC   9
#define T1_REFINE   0x2000

Referenced by t1_dec_refpass_step(), t1_enc_refpass_step(), and t1_getctxno_mag().

#define T1_SGN   (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)

Referenced by t1_getctxno_sc(), and t1_getspb().

#define T1_SGN_E   0x0200

Referenced by t1_init_ctxno_sc(), t1_init_spb(), and t1_updateflags().

#define T1_SGN_N   0x0100

Referenced by t1_init_ctxno_sc(), t1_init_spb(), and t1_updateflags().

#define T1_SGN_S   0x0400

Referenced by t1_dec_clnpass(), t1_dec_clnpass_step(), t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass_step(), t1_enc_sigpass_step(), t1_init_ctxno_sc(), t1_init_spb(), and t1_updateflags().

#define T1_SGN_W   0x0800

Referenced by t1_init_ctxno_sc(), t1_init_spb(), and t1_updateflags().

#define T1_SIG   0x1000

Referenced by t1_dec_clnpass(), t1_dec_clnpass_step(), t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass_step(), t1_enc_sigpass_step(), and t1_updateflags().

#define T1_SIG_E   0x0020

Context orientation : East direction.

Referenced by t1_init_ctxno_sc(), t1_init_ctxno_zc(), t1_init_spb(), and t1_updateflags().

#define T1_SIG_N   0x0010

Context orientation : North direction.

Referenced by t1_init_ctxno_sc(), t1_init_ctxno_zc(), t1_init_spb(), and t1_updateflags().

#define T1_SIG_NE   0x0001

Context orientation : North-East direction.

Referenced by t1_init_ctxno_zc(), and t1_updateflags().

#define T1_SIG_NW   0x0008

Context orientation : North-West direction.

Referenced by t1_init_ctxno_zc(), and t1_updateflags().

#define T1_SIG_OTH   (T1_SIG_N|T1_SIG_NE|T1_SIG_E|T1_SIG_SE|T1_SIG_S|T1_SIG_SW|T1_SIG_W|T1_SIG_NW)

Referenced by t1_dec_clnpass(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_sigpass_step(), t1_getctxno_mag(), and t1_getctxno_zc().

#define T1_SIG_PRIM   (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)

Referenced by t1_getctxno_sc(), and t1_getspb().

#define T1_SIG_S   0x0040

Context orientation : South direction.

Referenced by t1_dec_clnpass(), t1_dec_clnpass_step(), t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass_step(), t1_enc_sigpass_step(), t1_init_ctxno_sc(), t1_init_ctxno_zc(), t1_init_spb(), and t1_updateflags().

#define T1_SIG_SE   0x0002

Context orientation : South-East direction.

Referenced by t1_dec_clnpass(), t1_dec_clnpass_step(), t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass_step(), t1_enc_sigpass_step(), t1_init_ctxno_zc(), and t1_updateflags().

#define T1_SIG_SW   0x0004

Context orientation : South-West direction.

Referenced by t1_dec_clnpass(), t1_dec_clnpass_step(), t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass_step(), t1_enc_sigpass_step(), t1_init_ctxno_zc(), and t1_updateflags().

#define T1_SIG_W   0x0080

Context orientation : West direction.

Referenced by t1_init_ctxno_sc(), t1_init_ctxno_zc(), t1_init_spb(), and t1_updateflags().

#define T1_TYPE_MQ   0

Normal coding using entropy coder.

Referenced by t1_decode_cblk(), and t1_encode_cblk().

#define T1_TYPE_RAW   1

No encoding the information is store under raw format in codestream (mode switch RAW).

Referenced by t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_decode_cblk(), t1_enc_refpass_step(), t1_enc_sigpass_step(), and t1_encode_cblk().

#define T1_VISIT   0x4000

Referenced by t1_dec_clnpass(), t1_dec_clnpass_step(), t1_dec_refpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass(), t1_enc_clnpass_step(), t1_enc_refpass_step(), and t1_enc_sigpass_step().

Typedef Documentation

typedef short flag_t
typedef struct opj_t1 opj_t1_t

Tier-1 coding (coding of code-block coefficients).

Function Documentation

opj_t1_t* t1_create ( opj_common_ptr  cinfo  ) 

Create a new T1 handle and initialize the look-up tables of the Tier-1 coder/decoder.

Returns:
Returns a new T1 handle if successful, returns NULL otherwise
See also:
t1_init_luts

References opj_t1::cinfo, opj_t1::data, opj_t1::datasize, opj_t1::flags, opj_t1::flagssize, opj_t1::mqc, mqc_create(), opj_malloc, opj_t1::raw, and raw_create().

Referenced by tcd_decode_tile(), and tcd_encode_tile().

static void t1_dec_clnpass ( opj_t1_t *  t1,
int  bpno,
int  orient,
int  cblksty 
) [static]

Decode clean-up pass.

References opj_t1::data, opj_t1::flags, opj_t1::flags_stride, opj_t1::h, J2K_CCP_CBLKSTY_SEGSYM, J2K_CCP_CBLKSTY_VSC, MACRO_t1_flags, opj_t1::mqc, mqc_decode(), mqc_setcurctx, T1_CTXNO_AGG, T1_CTXNO_UNI, t1_dec_clnpass_step(), T1_SGN_S, T1_SIG, T1_SIG_OTH, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, T1_VISIT, and opj_t1::w.

Referenced by t1_decode_cblk().

static void t1_dec_clnpass_step ( opj_t1_t *  t1,
flag_t *  flagsp,
int *  datap,
int  orient,
int  oneplushalf,
int  partial,
int  vsc 
) [static]

Decode clean-up pass.

References opj_t1::flags_stride, opj_t1::mqc, mqc_decode(), mqc_setcurctx, t1_getctxno_sc(), t1_getctxno_zc(), t1_getspb(), T1_SGN_S, T1_SIG, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, t1_updateflags(), and T1_VISIT.

Referenced by t1_dec_clnpass().

static void t1_dec_refpass ( opj_t1_t *  t1,
int  bpno,
char  type,
int  cblksty 
) [static]

Decode refinement pass.

References opj_t1::data, opj_t1::flags, opj_t1::flags_stride, opj_t1::h, J2K_CCP_CBLKSTY_VSC, t1_dec_refpass_step(), and opj_t1::w.

Referenced by t1_decode_cblk().

static void t1_dec_refpass_step ( opj_t1_t *  t1,
flag_t *  flagsp,
int *  datap,
int  poshalf,
int  neghalf,
char  type,
int  vsc 
) [static]

Decode refinement pass.

References opj_t1::mqc, mqc_decode(), mqc_setcurctx, opj_t1::raw, raw_decode(), t1_getctxno_mag(), T1_REFINE, T1_SGN_S, T1_SIG, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, T1_TYPE_RAW, and T1_VISIT.

Referenced by t1_dec_refpass().

static void t1_dec_sigpass ( opj_t1_t *  t1,
int  bpno,
int  orient,
char  type,
int  cblksty 
) [static]

Decode significant pass.

References opj_t1::data, opj_t1::flags, opj_t1::flags_stride, opj_t1::h, J2K_CCP_CBLKSTY_VSC, t1_dec_sigpass_step(), and opj_t1::w.

Referenced by t1_decode_cblk().

static void t1_dec_sigpass_step ( opj_t1_t *  t1,
flag_t *  flagsp,
int *  datap,
int  orient,
int  oneplushalf,
char  type,
int  vsc 
) [static]

Decode significant pass.

References opj_t1::flags_stride, opj_t1::mqc, mqc_decode(), mqc_setcurctx, opj_t1::raw, raw_decode(), t1_getctxno_sc(), t1_getctxno_zc(), t1_getspb(), T1_SGN_S, T1_SIG, T1_SIG_OTH, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, T1_TYPE_RAW, t1_updateflags(), and T1_VISIT.

Referenced by t1_dec_sigpass().

static void t1_decode_cblk ( opj_t1_t *  t1,
opj_tcd_cblk_dec_t *  cblk,
int  orient,
int  roishift,
int  cblksty 
) [static]

Decode 1 code-block.

Parameters:
t1 T1 handle
Parameters:
cblk Code-block coding parameters
Parameters:
orient 
Parameters:
roishift Region of interest shifting value
Parameters:
cblksty Code-block style

References allocate_buffers(), opj_tcd_seg::data, opj_tcd_seg::dataindex, J2K_CCP_CBLKSTY_LAZY, J2K_CCP_CBLKSTY_RESET, opj_tcd_seg::len, opj_t1::mqc, mqc_init_dec(), mqc_resetstates(), mqc_setstate(), opj_tcd_cblk_dec::numbps, opj_tcd_seg::numpasses, opj_tcd_cblk_dec::numsegs, opj_t1::raw, raw_init_dec(), opj_tcd_cblk_dec::segs, T1_CTXNO_AGG, T1_CTXNO_UNI, T1_CTXNO_ZC, t1_dec_clnpass(), t1_dec_refpass(), t1_dec_sigpass(), T1_TYPE_MQ, T1_TYPE_RAW, opj_tcd_cblk_dec::x0, opj_tcd_cblk_dec::x1, opj_tcd_cblk_dec::y0, and opj_tcd_cblk_dec::y1.

Referenced by t1_decode_cblks().

void t1_decode_cblks ( opj_t1_t *  t1,
opj_tcd_tilecomp_t *  tilec,
opj_tccp_t *  tccp 
)

Decode the code-blocks of a tile.

Parameters:
t1 T1 handle
Parameters:
tile The tile to decode
Parameters:
tcp Tile coding parameters

References opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tccp::cblksty, opj_tcd_precinct::ch, opj_tcd_precinct::cw, opj_tcd_cblk_dec::data, opj_tcd_tilecomp::data, opj_t1::data, opj_tcd_precinct::dec, opj_t1::h, opj_tcd_resolution::numbands, opj_tcd_tilecomp::numresolutions, opj_free, opj_tcd_resolution::ph, opj_tcd_band::precincts, opj_tcd_resolution::pw, opj_tccp::qmfbid, opj_tcd_tilecomp::resolutions, restrict, opj_tccp::roishift, opj_tcd_cblk_dec::segs, t1_decode_cblk(), opj_t1::w, opj_tcd_resolution::x0, opj_tcd_cblk_dec::x0, opj_tcd_tilecomp::x0, opj_tcd_resolution::x1, opj_tcd_tilecomp::x1, opj_tcd_resolution::y0, opj_tcd_cblk_dec::y0, and opj_tcd_resolution::y1.

Referenced by tcd_decode_tile().

void t1_destroy ( opj_t1_t *  t1  ) 

Destroy a previously created T1 handle.

Parameters:
t1 T1 handle to destroy

References opj_t1::data, opj_t1::flags, opj_t1::mqc, mqc_destroy(), opj_aligned_free, opj_free, opj_t1::raw, and raw_destroy().

Referenced by tcd_decode_tile(), and tcd_encode_tile().

static void t1_enc_clnpass ( opj_t1_t *  t1,
int  bpno,
int  orient,
int *  nmsedec,
int  cblksty 
) [static]

Encode clean-up pass.

References opj_t1::data, opj_t1::flags, opj_t1::flags_stride, opj_t1::h, int_abs(), J2K_CCP_CBLKSTY_VSC, MACRO_t1_flags, opj_t1::mqc, mqc_encode(), mqc_setcurctx, T1_CTXNO_AGG, T1_CTXNO_UNI, t1_enc_clnpass_step(), T1_NMSEDEC_FRACBITS, T1_SGN_S, T1_SIG, T1_SIG_OTH, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, T1_VISIT, and opj_t1::w.

Referenced by t1_encode_cblk().

static void t1_enc_clnpass_step ( opj_t1_t *  t1,
flag_t *  flagsp,
int *  datap,
int  orient,
int  bpno,
int  one,
int *  nmsedec,
int  partial,
int  vsc 
) [static]

Encode clean-up pass.

References opj_t1::flags_stride, int_abs(), opj_t1::mqc, mqc_encode(), mqc_setcurctx, t1_getctxno_sc(), t1_getctxno_zc(), t1_getnmsedec_sig(), t1_getspb(), T1_NMSEDEC_FRACBITS, T1_SGN_S, T1_SIG, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, t1_updateflags(), and T1_VISIT.

Referenced by t1_enc_clnpass().

static void t1_enc_refpass ( opj_t1_t *  t1,
int  bpno,
int *  nmsedec,
char  type,
int  cblksty 
) [static]

Encode refinement pass.

References opj_t1::data, opj_t1::flags, opj_t1::flags_stride, opj_t1::h, J2K_CCP_CBLKSTY_VSC, t1_enc_refpass_step(), T1_NMSEDEC_FRACBITS, and opj_t1::w.

Referenced by t1_encode_cblk().

static void t1_enc_refpass_step ( opj_t1_t *  t1,
flag_t *  flagsp,
int *  datap,
int  bpno,
int  one,
int *  nmsedec,
char  type,
int  vsc 
) [static]

Encode refinement pass.

References int_abs(), opj_t1::mqc, mqc_bypass_enc(), mqc_encode(), mqc_setcurctx, t1_getctxno_mag(), t1_getnmsedec_ref(), T1_NMSEDEC_FRACBITS, T1_REFINE, T1_SGN_S, T1_SIG, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, T1_TYPE_RAW, and T1_VISIT.

Referenced by t1_enc_refpass().

static void t1_enc_sigpass ( opj_t1_t *  t1,
int  bpno,
int  orient,
int *  nmsedec,
char  type,
int  cblksty 
) [static]

Encode significant pass.

References opj_t1::data, opj_t1::flags, opj_t1::flags_stride, opj_t1::h, J2K_CCP_CBLKSTY_VSC, t1_enc_sigpass_step(), T1_NMSEDEC_FRACBITS, and opj_t1::w.

Referenced by t1_encode_cblk().

static void t1_enc_sigpass_step ( opj_t1_t *  t1,
flag_t *  flagsp,
int *  datap,
int  orient,
int  bpno,
int  one,
int *  nmsedec,
char  type,
int  vsc 
) [static]

Encode significant pass.

References opj_t1::flags_stride, int_abs(), opj_t1::mqc, mqc_bypass_enc(), mqc_encode(), mqc_setcurctx, t1_getctxno_sc(), t1_getctxno_zc(), t1_getnmsedec_sig(), t1_getspb(), T1_NMSEDEC_FRACBITS, T1_SGN_S, T1_SIG, T1_SIG_OTH, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, T1_TYPE_RAW, t1_updateflags(), and T1_VISIT.

Referenced by t1_enc_sigpass().

static void t1_encode_cblk ( opj_t1_t *  t1,
opj_tcd_cblk_enc_t *  cblk,
int  orient,
int  compno,
int  level,
int  qmfbid,
double  stepsize,
int  cblksty,
int  numcomps,
opj_tcd_tile_t *  tile 
) [static]

Encode 1 code-block.

mod fixed_quality

Parameters:
t1 T1 handle
Parameters:
cblk Code-block coding parameters
Parameters:
orient 
Parameters:
compno Component number
Parameters:
level 
Parameters:
qmfbid 
Parameters:
stepsize 
Parameters:
cblksty Code-block style
Parameters:
numcomps 
Parameters:
tile 

References opj_tcd_cblk_enc::data, opj_t1::data, opj_tcd_pass::distortiondec, opj_tcd_tile::distotile, opj_t1::h, int_floorlog2(), int_max(), J2K_CCP_CBLKSTY_LAZY, J2K_CCP_CBLKSTY_PTERM, J2K_CCP_CBLKSTY_RESET, J2K_CCP_CBLKSTY_SEGSYM, J2K_CCP_CBLKSTY_TERMALL, opj_tcd_pass::len, opj_t1::mqc, mqc_bypass_init_enc(), mqc_erterm_enc(), mqc_flush(), mqc_init_enc(), mqc_numbytes(), mqc_reset_enc(), mqc_resetstates(), mqc_restart_init_enc(), mqc_segmark_enc(), mqc_setstate(), opj_tcd_cblk_enc::numbps, opj_tcd_cblk_enc::passes, opj_tcd_pass::rate, T1_CTXNO_AGG, T1_CTXNO_UNI, T1_CTXNO_ZC, t1_enc_clnpass(), t1_enc_refpass(), t1_enc_sigpass(), t1_getwmsedec(), T1_NMSEDEC_FRACBITS, T1_TYPE_MQ, T1_TYPE_RAW, opj_tcd_pass::term, opj_tcd_cblk_enc::totalpasses, and opj_t1::w.

Referenced by t1_encode_cblks().

void t1_encode_cblks ( opj_t1_t *  t1,
opj_tcd_tile_t *  tile,
opj_tcp_t *  tcp 
)

Encode the code-blocks of a tile.

Parameters:
t1 T1 handle
Parameters:
tile The tile to encode
Parameters:
tcp Tile coding parameters

References allocate_buffers(), opj_tcd_resolution::bands, opj_tcd_precinct::cblks, opj_tccp::cblksty, opj_tcd_precinct::ch, opj_tcd_tile::comps, opj_tcd_precinct::cw, opj_tcd_tilecomp::data, opj_t1::data, opj_tcd_tile::distotile, opj_tcd_precinct::enc, fix_mul(), opj_t1::h, opj_tcd_resolution::numbands, opj_tcd_tile::numcomps, opj_tcd_tilecomp::numresolutions, opj_tcd_resolution::ph, opj_tcd_band::precincts, opj_tcd_resolution::pw, opj_tccp::qmfbid, opj_tcd_tilecomp::resolutions, restrict, t1_encode_cblk(), T1_NMSEDEC_FRACBITS, opj_tcp::tccps, opj_t1::w, opj_tcd_resolution::x0, opj_tcd_cblk_enc::x0, opj_tcd_tilecomp::x0, opj_tcd_cblk_enc::x1, opj_tcd_resolution::x1, opj_tcd_tilecomp::x1, opj_tcd_resolution::y0, opj_tcd_cblk_enc::y0, opj_tcd_cblk_enc::y1, and opj_tcd_resolution::y1.

Referenced by tcd_encode_tile().

static int t1_getctxno_mag ( int  f  )  [static]

References T1_CTXNO_MAG, T1_REFINE, and T1_SIG_OTH.

Referenced by t1_dec_refpass_step(), and t1_enc_refpass_step().

static char t1_getctxno_sc ( int  f  )  [static]

References lut_ctxno_sc, T1_SGN, and T1_SIG_PRIM.

Referenced by t1_dec_clnpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass_step(), and t1_enc_sigpass_step().

static char t1_getctxno_zc ( int  f,
int  orient 
) [static]

References lut_ctxno_zc, and T1_SIG_OTH.

Referenced by t1_dec_clnpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass_step(), and t1_enc_sigpass_step().

static short t1_getnmsedec_ref ( int  x,
int  bitpos 
) [static]

References lut_nmsedec_ref, lut_nmsedec_ref0, T1_NMSEDEC_BITS, and T1_NMSEDEC_FRACBITS.

Referenced by t1_enc_refpass_step().

static short t1_getnmsedec_sig ( int  x,
int  bitpos 
) [static]

References lut_nmsedec_sig, lut_nmsedec_sig0, T1_NMSEDEC_BITS, and T1_NMSEDEC_FRACBITS.

Referenced by t1_enc_clnpass_step(), and t1_enc_sigpass_step().

static char t1_getspb ( int  f  )  [static]

References lut_spb, T1_SGN, and T1_SIG_PRIM.

Referenced by t1_dec_clnpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass_step(), and t1_enc_sigpass_step().

static double t1_getwmsedec ( int  nmsedec,
int  compno,
int  level,
int  orient,
int  bpno,
int  qmfbid,
double  stepsize,
int  numcomps 
) [static]

mod fixed_quality

References dwt_getnorm(), dwt_getnorm_real(), mct_getnorm(), and mct_getnorm_real().

Referenced by t1_encode_cblk().

static void t1_updateflags ( flag_t *  flagsp,
int  s,
int  stride 
) [static]

References T1_SGN_E, T1_SGN_N, T1_SGN_S, T1_SGN_W, T1_SIG, T1_SIG_E, T1_SIG_N, T1_SIG_NE, T1_SIG_NW, T1_SIG_S, T1_SIG_SE, T1_SIG_SW, and T1_SIG_W.

Referenced by t1_dec_clnpass_step(), t1_dec_sigpass_step(), t1_enc_clnpass_step(), and t1_enc_sigpass_step().

Generated on Sat Jan 22 13:23:00 2011 for OpenJPEG by  doxygen 1.6.3