jpc_tsfb.h - vx32 - Local 9vx git repository for patches.
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jpc_tsfb.h (5770B)
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1 /*
2 * Copyright (c) 1999-2000 Image Power, Inc. and the University of
3 * British Columbia.
4 * Copyright (c) 2001-2002 Michael David Adams.
5 * All rights reserved.
6 */
7
8 /* __START_OF_JASPER_LICENSE__
9 *
10 * JasPer License Version 2.0
11 *
12 * Copyright (c) 1999-2000 Image Power, Inc.
13 * Copyright (c) 1999-2000 The University of British Columbia
14 * Copyright (c) 2001-2003 Michael David Adams
15 *
16 * All rights reserved.
17 *
18 * Permission is hereby granted, free of charge, to any person (the
19 * "User") obtaining a copy of this software and associated documentation
20 * files (the "Software"), to deal in the Software without restriction,
21 * including without limitation the rights to use, copy, modify, merge,
22 * publish, distribute, and/or sell copies of the Software, and to permit
23 * persons to whom the Software is furnished to do so, subject to the
24 * following conditions:
25 *
26 * 1. The above copyright notices and this permission notice (which
27 * includes the disclaimer below) shall be included in all copies or
28 * substantial portions of the Software.
29 *
30 * 2. The name of a copyright holder shall not be used to endorse or
31 * promote products derived from the Software without specific prior
32 * written permission.
33 *
34 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
35 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
36 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
37 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
38 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
39 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
40 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
41 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
42 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
43 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
44 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
45 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
46 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
47 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
48 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
49 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
50 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
51 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
52 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
53 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
54 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
55 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
56 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
57 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
58 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
59 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
60 *
61 * __END_OF_JASPER_LICENSE__
62 */
63
64 /*
65 * Tree-Structured Filter Bank (TSFB) Library
66 *
67 * $Id: jpc_tsfb.h 1918 2005-07-24 14:12:08Z baford $
68 */
69
70 #ifndef JPC_TSFB_H
71 #define JPC_TSFB_H
72
73 /******************************************************************************\
74 * Includes.
75 \******************************************************************************/
76
77 #include "jasper/jas_seq.h"
78
79 #include "jpc_fix.h"
80 #include "jpc_qmfb.h"
81
82 /******************************************************************************\
83 * Constants.
84 \******************************************************************************/
85
86 #define JPC_TSFB_MAXBANDS (JPC_TSFB_MAXDEPTH * 3 + 1)
87 #define JPC_TSFB_MAXDEPTH 32
88 #define JPC_TSFB_RITIMODE JPC_QMFB1D_RITIMODE
89
90 #define JPC_TSFB_MAXBANDSPERNODE (JPC_QMFB1D_MAXCHANS * JPC_QMFB1D_MAXCHANS)
91
92 #define JPC_TSFB_PRUNEVERT 0x01
93 #define JPC_TSFB_PRUNEHORZ 0x02
94
95 #define JPC_TSFB_LL 0
96 #define JPC_TSFB_LH 1
97 #define JPC_TSFB_HL 2
98 #define JPC_TSFB_HH 3
99
100 /******************************************************************************\
101 * Types.
102 \******************************************************************************/
103
104 typedef struct {
105
106 int xstart;
107 int ystart;
108 int xend;
109 int yend;
110 int locxstart;
111 int locystart;
112 int locxend;
113 int locyend;
114
115 } jpc_tsfbnodeband_t;
116
117 typedef struct jpc_tsfbnode_s {
118
119 int numhchans;
120 int numvchans;
121 jpc_qmfb1d_t *hqmfb;
122 jpc_qmfb1d_t *vqmfb;
123 int maxchildren;
124 int numchildren;
125 struct jpc_tsfbnode_s *children[JPC_TSFB_MAXBANDSPERNODE];
126 struct jpc_tsfbnode_s *parent;
127
128 } jpc_tsfbnode_t;
129
130 typedef struct {
131 jpc_tsfbnode_t *root;
132 } jpc_tsfb_t;
133
134 typedef struct {
135 int xstart;
136 int ystart;
137 int xend;
138 int yend;
139 int orient;
140 int locxstart;
141 int locystart;
142 int locxend;
143 int locyend;
144 jpc_fix_t synenergywt;
145 } jpc_tsfb_band_t;
146
147 /******************************************************************************\
148 * Functions.
149 \******************************************************************************/
150
151 /* Create a TSFB. */
152 jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlevels);
153
154 /* Create a wavelet-type TSFB with the specified horizontal and vertical
155 QMFBs. */
156 jpc_tsfb_t *jpc_tsfb_wavelet(jpc_qmfb1d_t *hqmfb, jpc_qmfb1d_t *vqmfb,
157 int numdlvls);
158
159 /* Destroy a TSFB. */
160 void jpc_tsfb_destroy(jpc_tsfb_t *tsfb);
161
162 /* Perform analysis. */
163 void jpc_tsfb_analyze(jpc_tsfb_t *tsfb, int flags, jas_seq2d_t *x);
164
165 /* Perform synthesis. */
166 void jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, int flags, jas_seq2d_t *x);
167
168 /* Get band information for a TSFB. */
169 int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart,
170 uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend,
171 jpc_tsfb_band_t *bands);
172
173 #endif