jpc_tsfb.h 4.9 KB

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  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. /* __START_OF_JASPER_LICENSE__
  8. *
  9. * JasPer License Version 2.0
  10. *
  11. * Copyright (c) 2001-2006 Michael David Adams
  12. * Copyright (c) 1999-2000 Image Power, Inc.
  13. * Copyright (c) 1999-2000 The University of British Columbia
  14. *
  15. * All rights reserved.
  16. *
  17. * Permission is hereby granted, free of charge, to any person (the
  18. * "User") obtaining a copy of this software and associated documentation
  19. * files (the "Software"), to deal in the Software without restriction,
  20. * including without limitation the rights to use, copy, modify, merge,
  21. * publish, distribute, and/or sell copies of the Software, and to permit
  22. * persons to whom the Software is furnished to do so, subject to the
  23. * following conditions:
  24. *
  25. * 1. The above copyright notices and this permission notice (which
  26. * includes the disclaimer below) shall be included in all copies or
  27. * substantial portions of the Software.
  28. *
  29. * 2. The name of a copyright holder shall not be used to endorse or
  30. * promote products derived from the Software without specific prior
  31. * written permission.
  32. *
  33. * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
  34. * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
  35. * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
  36. * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  37. * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  38. * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
  39. * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
  40. * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
  41. * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  42. * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  43. * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
  44. * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
  45. * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
  46. * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
  47. * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
  48. * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
  49. * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
  50. * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
  51. * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
  52. * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
  53. * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
  54. * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
  55. * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
  56. * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
  57. * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
  58. * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
  59. *
  60. * __END_OF_JASPER_LICENSE__
  61. */
  62. /*
  63. * Tree-Structured Filter Bank (TSFB) Library
  64. *
  65. * $Id: jpc_tsfb.h,v 1.2 2008-05-26 09:40:52 vp153 Exp $
  66. */
  67. #ifndef JPC_TSFB_H
  68. #define JPC_TSFB_H
  69. /******************************************************************************\
  70. * Includes.
  71. \******************************************************************************/
  72. #include "jasper/jas_seq.h"
  73. #include "jpc_fix.h"
  74. #include "jpc_qmfb.h"
  75. /******************************************************************************\
  76. * Constants.
  77. \******************************************************************************/
  78. #define JPC_TSFB_MAXBANDS (JPC_TSFB_MAXDEPTH * 3 + 1)
  79. #define JPC_TSFB_MAXDEPTH 32
  80. #define JPC_TSFB_RITIMODE JPC_QMFB1D_RITIMODE
  81. #define JPC_TSFB_LL 0
  82. #define JPC_TSFB_LH 1
  83. #define JPC_TSFB_HL 2
  84. #define JPC_TSFB_HH 3
  85. /******************************************************************************\
  86. * Types.
  87. \******************************************************************************/
  88. typedef struct {
  89. int xstart;
  90. int ystart;
  91. int xend;
  92. int yend;
  93. int orient;
  94. int locxstart;
  95. int locystart;
  96. int locxend;
  97. int locyend;
  98. jpc_fix_t synenergywt;
  99. } jpc_tsfb_band_t;
  100. typedef struct {
  101. int numlvls;
  102. jpc_qmfb2d_t *qmfb;
  103. } jpc_tsfb_t;
  104. /******************************************************************************\
  105. * Functions.
  106. \******************************************************************************/
  107. /* Create a TSFB. */
  108. jpc_tsfb_t *jpc_cod_gettsfb(int qmfbid, int numlevels);
  109. /* Destroy a TSFB. */
  110. void jpc_tsfb_destroy(jpc_tsfb_t *tsfb);
  111. /* Perform analysis. */
  112. int jpc_tsfb_analyze(jpc_tsfb_t *tsfb, jas_seq2d_t *x);
  113. /* Perform synthesis. */
  114. int jpc_tsfb_synthesize(jpc_tsfb_t *tsfb, jas_seq2d_t *x);
  115. /* Get band information for a TSFB. */
  116. int jpc_tsfb_getbands(jpc_tsfb_t *tsfb, uint_fast32_t xstart,
  117. uint_fast32_t ystart, uint_fast32_t xend, uint_fast32_t yend,
  118. jpc_tsfb_band_t *bands);
  119. #endif