JasPer  2.0.22
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__
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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
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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 enum jpc_tsfb_orient {
92  JPC_TSFB_LL = 0,
93  JPC_TSFB_LH = 1,
94  JPC_TSFB_HL = 2,
95  JPC_TSFB_HH = 3,
96 };
97 
98 /******************************************************************************\
99 * Types.
100 \******************************************************************************/
101 
102 typedef struct {
103  int xstart;
104  int ystart;
105  int xend;
106  int yend;
107  enum jpc_tsfb_orient orient;
108  int locxstart;
109  int locystart;
110  int locxend;
111  int locyend;
112  jpc_fix_t synenergywt;
113 } jpc_tsfb_band_t;
114 
115 typedef struct {
116  unsigned numlvls;
117  const jpc_qmfb2d_t *qmfb;
118 } jpc_tsfb_t;
119 
120 /******************************************************************************\
121 * Functions.
122 \******************************************************************************/
123 
124 /* Create a TSFB. */
125 jpc_tsfb_t *jpc_cod_gettsfb(unsigned qmfbid, unsigned numlevels);
126 
127 /* Destroy a TSFB. */
128 void jpc_tsfb_destroy(jpc_tsfb_t *tsfb);
129 
130 /* Perform analysis. */
131 int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *x);
132 
133 /* Perform synthesis. */
134 int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *x);
135 
136 /* Get band information for a TSFB. */
137 int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart,
138  uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend,
139  jpc_tsfb_band_t *bands);
140 
141 #endif
jas_seq.h
Sequence/Matrix Library.
jas_types.h
Primitive Types.