vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
Log | Files | Refs

jpc_tsfb.h (5770B)

      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