OpenJPEG  1.5.1
t1.h
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1 /*
2  * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
3  * Copyright (c) 2002-2007, Professor Benoit Macq
4  * Copyright (c) 2001-2003, David Janssens
5  * Copyright (c) 2002-2003, Yannick Verschueren
6  * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  * notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #ifndef __T1_H
32 #define __T1_H
33 
43 
44 /* ----------------------------------------------------------------------- */
45 #define T1_NMSEDEC_BITS 7
46 
47 #define T1_SIG_NE 0x0001
48 #define T1_SIG_SE 0x0002
49 #define T1_SIG_SW 0x0004
50 #define T1_SIG_NW 0x0008
51 #define T1_SIG_N 0x0010
52 #define T1_SIG_E 0x0020
53 #define T1_SIG_S 0x0040
54 #define T1_SIG_W 0x0080
55 #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)
56 #define T1_SIG_PRIM (T1_SIG_N|T1_SIG_E|T1_SIG_S|T1_SIG_W)
57 
58 #define T1_SGN_N 0x0100
59 #define T1_SGN_E 0x0200
60 #define T1_SGN_S 0x0400
61 #define T1_SGN_W 0x0800
62 #define T1_SGN (T1_SGN_N|T1_SGN_E|T1_SGN_S|T1_SGN_W)
63 
64 #define T1_SIG 0x1000
65 #define T1_REFINE 0x2000
66 #define T1_VISIT 0x4000
67 
68 #define T1_NUMCTXS_ZC 9
69 #define T1_NUMCTXS_SC 5
70 #define T1_NUMCTXS_MAG 3
71 #define T1_NUMCTXS_AGG 1
72 #define T1_NUMCTXS_UNI 1
73 
74 #define T1_CTXNO_ZC 0
75 #define T1_CTXNO_SC (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
76 #define T1_CTXNO_MAG (T1_CTXNO_SC+T1_NUMCTXS_SC)
77 #define T1_CTXNO_AGG (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
78 #define T1_CTXNO_UNI (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
79 #define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
80 
81 #define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)
82 
83 #define T1_TYPE_MQ 0
84 #define T1_TYPE_RAW 1
86 /* ----------------------------------------------------------------------- */
87 
88 typedef short flag_t;
89 
93 typedef struct opj_t1 {
96 
101 
102  int *data;
104  int w;
105  int h;
106  int datasize;
109 } opj_t1_t;
110 
111 #define MACRO_t1_flags(x,y) t1->flags[((x)*(t1->flags_stride))+(y)]
112 
115 /* ----------------------------------------------------------------------- */
127 void t1_destroy(opj_t1_t *t1);
134 void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp);
141 void t1_decode_cblks(opj_t1_t* t1, opj_tcd_tilecomp_t* tilec, opj_tccp_t* tccp);
142 /* ----------------------------------------------------------------------- */
146 
147 #endif /* __T1_H */
struct opj_t1 opj_t1_t
Tier-1 coding (coding of code-block coefficients)
Tier-1 coding (coding of code-block coefficients)
Definition: t1.h:93
Tile-component coding parameters.
Definition: j2k.h:134
void t1_encode_cblks(opj_t1_t *t1, opj_tcd_tile_t *tile, opj_tcp_t *tcp)
Encode the code-blocks of a tile.
Definition: t1.c:1413
void t1_destroy(opj_t1_t *t1)
Destroy a previously created T1 handle.
Definition: t1.c:1400
RAW encoding operations.
Definition: raw.h:46
opj_mqc_t * mqc
MQC component.
Definition: t1.h:98
int h
Definition: t1.h:105
short flag_t
Definition: t1.h:88
opj_raw_t * raw
RAW component.
Definition: t1.h:100
int * data
Definition: t1.h:102
int flags_stride
Definition: t1.h:108
int datasize
Definition: t1.h:106
flag_t * flags
Definition: t1.h:103
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.
Definition: t1.c:1382
opj_common_ptr cinfo
codec context
Definition: t1.h:95
int w
Definition: t1.h:104
void t1_decode_cblks(opj_t1_t *t1, opj_tcd_tilecomp_t *tilec, opj_tccp_t *tccp)
Decode the code-blocks of a tile.
Definition: t1.c:1508
Tile coding parameters : this structure is used to store coding/decoding parameters common to all til...
Definition: j2k.h:166
FIXME: documentation.
Definition: tcd.h:151
int flagssize
Definition: t1.h:107
FIXME: documentation.
Definition: tcd.h:140
MQ coder.
Definition: mqc.h:64
Definition: openjpeg.h:430