My Project  2.0.17
jpc_tsfb.h
1 /*
2  * Copyright (c) 1999-2000 Image Power, Inc. and the University of
3  * British Columbia.
4  * Copyright (c) 2001-2004 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) 2001-2006 Michael David Adams
13  * Copyright (c) 1999-2000 Image Power, Inc.
14  * Copyright (c) 1999-2000 The University of British Columbia
15  *
16  * All rights reserved.
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61  * __END_OF_JASPER_LICENSE__
62  */
63 
64 /*
65  * Tree-Structured Filter Bank (TSFB) Library
66  *
67  * $Id$
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 #include "jasper/jas_types.h"
79 
80 #include "jpc_fix.h"
81 #include "jpc_qmfb.h"
82 
83 /******************************************************************************\
84 * Constants.
85 \******************************************************************************/
86 
87 #define JPC_TSFB_MAXBANDS (JPC_TSFB_MAXDEPTH * 3 + 1)
88 #define JPC_TSFB_MAXDEPTH 32
89 #define JPC_TSFB_RITIMODE JPC_QMFB1D_RITIMODE
90 
91 #define JPC_TSFB_LL 0
92 #define JPC_TSFB_LH 1
93 #define JPC_TSFB_HL 2
94 #define JPC_TSFB_HH 3
95 
96 /******************************************************************************\
97 * Types.
98 \******************************************************************************/
99 
100 typedef struct {
101  int xstart;
102  int ystart;
103  int xend;
104  int yend;
105  int orient;
106  int locxstart;
107  int locystart;
108  int locxend;
109  int locyend;
110  jpc_fix_t synenergywt;
111 } jpc_tsfb_band_t;
112 
113 typedef struct {
114  int numlvls;
115  const jpc_qmfb2d_t *qmfb;
116 } jpc_tsfb_t;
117 
118 /******************************************************************************\
119 * Functions.
120 \******************************************************************************/
121 
122 /* Create a TSFB. */
123 jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlevels);
124 
125 /* Destroy a TSFB. */
126 void jpc_tsfb_destroy(jpc_tsfb_t *tsfb);
127 
128 /* Perform analysis. */
129 int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *x);
130 
131 /* Perform synthesis. */
132 int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *x);
133 
134 int jpc_tsfb_analyze2(jpc_tsfb_t *tsfb, jpc_fix_t *a, int xstart, int ystart,
135  int width, int height, int stride, int numlvls);
136 
137 /* Get band information for a TSFB. */
138 int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart,
139  uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend,
140  jpc_tsfb_band_t *bands);
141 
142 #endif