OpenJPEG  2.3.1
t1.h
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1 /*
2  * The copyright in this software is being made available under the 2-clauses
3  * BSD License, included below. This software may be subject to other third
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5  * are granted under this license.
6  *
7  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
8  * Copyright (c) 2002-2014, Professor Benoit Macq
9  * Copyright (c) 2001-2003, David Janssens
10  * Copyright (c) 2002-2003, Yannick Verschueren
11  * Copyright (c) 2003-2007, Francois-Olivier Devaux
12  * Copyright (c) 2003-2014, Antonin Descampe
13  * Copyright (c) 2005, Herve Drolon, FreeImage Team
14  * Copyright (c) 2012, Carl Hetherington
15  * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
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38  */
39 #ifndef OPJ_T1_H
40 #define OPJ_T1_H
41 
51 
52 /* ----------------------------------------------------------------------- */
53 #define T1_NMSEDEC_BITS 7
54 
55 #define T1_NUMCTXS_ZC 9
56 #define T1_NUMCTXS_SC 5
57 #define T1_NUMCTXS_MAG 3
58 #define T1_NUMCTXS_AGG 1
59 #define T1_NUMCTXS_UNI 1
60 
61 #define T1_CTXNO_ZC 0
62 #define T1_CTXNO_SC (T1_CTXNO_ZC+T1_NUMCTXS_ZC)
63 #define T1_CTXNO_MAG (T1_CTXNO_SC+T1_NUMCTXS_SC)
64 #define T1_CTXNO_AGG (T1_CTXNO_MAG+T1_NUMCTXS_MAG)
65 #define T1_CTXNO_UNI (T1_CTXNO_AGG+T1_NUMCTXS_AGG)
66 #define T1_NUMCTXS (T1_CTXNO_UNI+T1_NUMCTXS_UNI)
67 
68 #define T1_NMSEDEC_FRACBITS (T1_NMSEDEC_BITS-1)
69 
70 #define T1_TYPE_MQ 0
71 #define T1_TYPE_RAW 1
73 /* BEGINNING of flags that apply to opj_flag_t */
74 
85 /* SIGMA: significance state (3 cols x 6 rows)
86  * CHI: state for negative sample value (1 col x 6 rows)
87  * MU: state for visited in refinement pass (1 col x 4 rows)
88  * PI: state for visited in significance pass (1 col * 4 rows)
89  */
90 
91 #define T1_SIGMA_0 (1U << 0)
92 #define T1_SIGMA_1 (1U << 1)
93 #define T1_SIGMA_2 (1U << 2)
94 #define T1_SIGMA_3 (1U << 3)
95 #define T1_SIGMA_4 (1U << 4)
96 #define T1_SIGMA_5 (1U << 5)
97 #define T1_SIGMA_6 (1U << 6)
98 #define T1_SIGMA_7 (1U << 7)
99 #define T1_SIGMA_8 (1U << 8)
100 #define T1_SIGMA_9 (1U << 9)
101 #define T1_SIGMA_10 (1U << 10)
102 #define T1_SIGMA_11 (1U << 11)
103 #define T1_SIGMA_12 (1U << 12)
104 #define T1_SIGMA_13 (1U << 13)
105 #define T1_SIGMA_14 (1U << 14)
106 #define T1_SIGMA_15 (1U << 15)
107 #define T1_SIGMA_16 (1U << 16)
108 #define T1_SIGMA_17 (1U << 17)
109 
110 #define T1_CHI_0 (1U << 18)
111 #define T1_CHI_0_I 18
112 #define T1_CHI_1 (1U << 19)
113 #define T1_CHI_1_I 19
114 #define T1_MU_0 (1U << 20)
115 #define T1_PI_0 (1U << 21)
116 #define T1_CHI_2 (1U << 22)
117 #define T1_CHI_2_I 22
118 #define T1_MU_1 (1U << 23)
119 #define T1_PI_1 (1U << 24)
120 #define T1_CHI_3 (1U << 25)
121 #define T1_MU_2 (1U << 26)
122 #define T1_PI_2 (1U << 27)
123 #define T1_CHI_4 (1U << 28)
124 #define T1_MU_3 (1U << 29)
125 #define T1_PI_3 (1U << 30)
126 #define T1_CHI_5 (1U << 31)
127 #define T1_CHI_5_I 31
128 
149 #define T1_SIGMA_NW T1_SIGMA_0
150 #define T1_SIGMA_N T1_SIGMA_1
151 #define T1_SIGMA_NE T1_SIGMA_2
152 #define T1_SIGMA_W T1_SIGMA_3
153 #define T1_SIGMA_THIS T1_SIGMA_4
154 #define T1_SIGMA_E T1_SIGMA_5
155 #define T1_SIGMA_SW T1_SIGMA_6
156 #define T1_SIGMA_S T1_SIGMA_7
157 #define T1_SIGMA_SE T1_SIGMA_8
158 #define T1_SIGMA_NEIGHBOURS (T1_SIGMA_NW | T1_SIGMA_N | T1_SIGMA_NE | T1_SIGMA_W | T1_SIGMA_E | T1_SIGMA_SW | T1_SIGMA_S | T1_SIGMA_SE)
159 
160 #define T1_CHI_THIS T1_CHI_1
161 #define T1_CHI_THIS_I T1_CHI_1_I
162 #define T1_MU_THIS T1_MU_0
163 #define T1_PI_THIS T1_PI_0
164 #define T1_CHI_S T1_CHI_2
165 
166 #define T1_LUT_SGN_W (1U << 0)
167 #define T1_LUT_SIG_N (1U << 1)
168 #define T1_LUT_SGN_E (1U << 2)
169 #define T1_LUT_SIG_W (1U << 3)
170 #define T1_LUT_SGN_N (1U << 4)
171 #define T1_LUT_SIG_E (1U << 5)
172 #define T1_LUT_SGN_S (1U << 6)
173 #define T1_LUT_SIG_S (1U << 7)
174 /* END of flags that apply to opj_flag_t */
175 
176 /* ----------------------------------------------------------------------- */
177 
179 typedef OPJ_UINT32 opj_flag_t;
180 
184 typedef struct opj_t1 {
185 
187  opj_mqc_t mqc;
188 
189  OPJ_INT32 *data;
195  opj_flag_t *flags;
196 
197  OPJ_UINT32 w;
198  OPJ_UINT32 h;
199  OPJ_UINT32 datasize;
200  OPJ_UINT32 flagssize;
201  OPJ_UINT32 data_stride;
202  OPJ_BOOL encoder;
203 
204  /* Thre 3 variables below are only used by the decoder */
205  /* set to TRUE in multithreaded context */
206  OPJ_BOOL mustuse_cblkdatabuffer;
207  /* Temporary buffer to concatenate all chunks of a codebock */
208  OPJ_BYTE *cblkdatabuffer;
209  /* Maximum size available in cblkdatabuffer */
210  OPJ_UINT32 cblkdatabuffersize;
211 } opj_t1_t;
212 
215 /* ----------------------------------------------------------------------- */
216 
225 OPJ_BOOL opj_t1_encode_cblks(opj_t1_t *t1,
226  opj_tcd_tile_t *tile,
227  opj_tcp_t *tcp,
228  const OPJ_FLOAT64 * mct_norms,
229  OPJ_UINT32 mct_numcomps);
230 
241 void opj_t1_decode_cblks(opj_tcd_t* tcd,
242  volatile OPJ_BOOL* pret,
243  opj_tcd_tilecomp_t* tilec,
244  opj_tccp_t* tccp,
245  opj_event_mgr_t *p_manager,
246  opj_mutex_t* p_manager_mutex,
247  OPJ_BOOL check_pterm);
248 
249 
250 
256 opj_t1_t* opj_t1_create(OPJ_BOOL isEncoder);
257 
263 void opj_t1_destroy(opj_t1_t *p_t1);
264 /* ----------------------------------------------------------------------- */
268 
269 #endif /* OPJ_T1_H */
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