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</script> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('jpc__t1cod_8h_source.html','');}); </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">jpc_t1cod.h</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 1999-2000 Image Power, Inc. and the University of</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * British Columbia.</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (c) 2001-2002 Michael David Adams.</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * All rights reserved.</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> */</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/* __START_OF_JASPER_LICENSE__</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * </span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * JasPer License Version 2.0</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * </span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * Copyright (c) 2001-2006 Michael David Adams</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * Copyright (c) 1999-2000 Image Power, Inc.</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Copyright (c) 1999-2000 The University of British Columbia</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * </span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * All rights reserved.</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * </span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person (the</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * "User") obtaining a copy of this software and associated documentation</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * files (the "Software"), to deal in the Software without restriction,</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * including without limitation the rights to use, copy, modify, merge,</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * publish, distribute, and/or sell copies of the Software, and to permit</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * persons to whom the Software is furnished to do so, subject to the</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * following conditions:</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * </span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * 1. The above copyright notices and this permission notice (which</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * includes the disclaimer below) shall be included in all copies or</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * substantial portions of the Software.</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * </span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * 2. The name of a copyright holder shall not be used to endorse or</span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * promote products derived from the Software without specific prior</span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * written permission.</span></div> <div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * </span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER</span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO</span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION</span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE</span></div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE</span></div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL</span></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS</span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,</span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL</span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,</span></div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH</span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY</span></div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.</span></div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * </span></div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * __END_OF_JASPER_LICENSE__</span></div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> */</span></div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">/*</span></div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * $Id$</span></div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> */</span></div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#ifndef JPC_T1COD_H</span></div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define JPC_T1COD_H</span></div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">/******************************************************************************\</span></div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">* Includes.</span></div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment">\******************************************************************************/</span></div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#include "jasper/jas_fix.h"</span></div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#include "jasper/jas_math.h"</span></div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#include "jpc_mqcod.h"</span></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#include "jpc_tsfb.h"</span></div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment">/******************************************************************************\</span></div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment">* Constants.</span></div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">\******************************************************************************/</span></div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">/* The number of bits used to index into various lookup tables. */</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#define JPC_NMSEDEC_BITS 7</span></div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#define JPC_NMSEDEC_FRACBITS (JPC_NMSEDEC_BITS - 1)</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment">/*</span></div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> * Segment types.</span></div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment"> */</span></div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/* Invalid. */</span></div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define JPC_SEG_INVALID 0</span></div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">/* MQ. */</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#define JPC_SEG_MQ 1</span></div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/* Raw. */</span></div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#define JPC_SEG_RAW 2</span></div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">/* The nominal word size. */</span></div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#define JPC_PREC 32</span></div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">/* Tier-1 coding pass types. */</span></div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#define JPC_SIGPASS 0 </span><span class="comment">/* significance */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#define JPC_REFPASS 1 </span><span class="comment">/* refinement */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#define JPC_CLNPASS 2 </span><span class="comment">/* cleanup */</span><span class="preprocessor"></span></div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">/*</span></div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"> * Per-sample state information for tier-1 coding.</span></div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> */</span></div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/* The northeast neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#define JPC_NESIG 0x0001</span></div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">/* The southeast neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#define JPC_SESIG 0x0002</span></div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">/* The southwest neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#define JPC_SWSIG 0x0004</span></div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment">/* The northwest neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#define JPC_NWSIG 0x0008</span></div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/* The north neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#define JPC_NSIG 0x0010</span></div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment">/* The east neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#define JPC_ESIG 0x0020</span></div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment">/* The south neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#define JPC_SSIG 0x0040</span></div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment">/* The west neighbour has been found to be significant. */</span></div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#define JPC_WSIG 0x0080</span></div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment">/* The significance mask for 8-connected neighbours. */</span></div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#define JPC_OTHSIGMSK \</span></div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor"> (JPC_NSIG | JPC_NESIG | JPC_ESIG | JPC_SESIG | JPC_SSIG | JPC_SWSIG | JPC_WSIG | JPC_NWSIG)</span></div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">/* The significance mask for 4-connected neighbours. */</span></div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#define JPC_PRIMSIGMSK (JPC_NSIG | JPC_ESIG | JPC_SSIG | JPC_WSIG)</span></div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment">/* The north neighbour is negative in value. */</span></div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#define JPC_NSGN 0x0100</span></div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment">/* The east neighbour is negative in value. */</span></div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#define JPC_ESGN 0x0200</span></div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment">/* The south neighbour is negative in value. */</span></div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#define JPC_SSGN 0x0400</span></div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment">/* The west neighbour is negative in value. */</span></div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#define JPC_WSGN 0x0800</span></div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">/* The sign mask for 4-connected neighbours. */</span></div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#define JPC_SGNMSK (JPC_NSGN | JPC_ESGN | JPC_SSGN | JPC_WSGN)</span></div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">/* This sample has been found to be significant. */</span></div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor">#define JPC_SIG 0x1000</span></div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">/* The sample has been refined. */</span></div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#define JPC_REFINE 0x2000</span></div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">/* This sample has been processed during the significance pass. */</span></div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#define JPC_VISIT 0x4000</span></div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment">/* The number of aggregation contexts. */</span></div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#define JPC_NUMAGGCTXS 1</span></div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="comment">/* The number of zero coding contexts. */</span></div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#define JPC_NUMZCCTXS 9</span></div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment">/* The number of magnitude contexts. */</span></div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#define JPC_NUMMAGCTXS 3</span></div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment">/* The number of sign coding contexts. */</span></div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#define JPC_NUMSCCTXS 5</span></div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/* The number of uniform contexts. */</span></div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#define JPC_NUMUCTXS 1</span></div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">/* The context ID for the first aggregation context. */</span></div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#define JPC_AGGCTXNO 0</span></div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">/* The context ID for the first zero coding context. */</span></div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="preprocessor">#define JPC_ZCCTXNO (JPC_AGGCTXNO + JPC_NUMAGGCTXS)</span></div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">/* The context ID for the first magnitude context. */</span></div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor">#define JPC_MAGCTXNO (JPC_ZCCTXNO + JPC_NUMZCCTXS)</span></div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment">/* The context ID for the first sign coding context. */</span></div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#define JPC_SCCTXNO (JPC_MAGCTXNO + JPC_NUMMAGCTXS)</span></div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment">/* The context ID for the first uniform context. */</span></div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#define JPC_UCTXNO (JPC_SCCTXNO + JPC_NUMSCCTXS)</span></div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment">/* The total number of contexts. */</span></div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#define JPC_NUMCTXS (JPC_UCTXNO + JPC_NUMUCTXS)</span></div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="comment">/******************************************************************************\</span></div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="comment">* External data.</span></div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="comment">\******************************************************************************/</span></div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span> </div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment">/* These lookup tables are used by various macros/functions. */</span></div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">/* Do not access these lookup tables directly. */</span></div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> jpc_zcctxnolut[];</div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> jpc_spblut[];</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> jpc_scctxnolut[];</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> jpc_magctxnolut[];</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="keyword">extern</span> jpc_fix_t jpc_refnmsedec[];</div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="keyword">extern</span> jpc_fix_t jpc_signmsedec[];</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">extern</span> jpc_fix_t jpc_refnmsedec0[];</div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="keyword">extern</span> jpc_fix_t jpc_signmsedec0[];</div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span> </div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment">/* The initial settings for the MQ contexts. */</span></div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">extern</span> jpc_mqctx_t jpc_mqctxs[];</div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/******************************************************************************\</span></div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">* Functions and macros.</span></div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment">\******************************************************************************/</span></div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span> </div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">/* Initialize the MQ contexts. */</span></div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="keywordtype">void</span> jpc_initctxs(jpc_mqctx_t *ctxs);</div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span> </div> <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment">/* Get the zero coding context. */</span></div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keywordtype">int</span> jpc_getzcctxno(<span class="keywordtype">int</span> f, <span class="keywordtype">int</span> orient);</div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="preprocessor">#define JPC_GETZCCTXNO(f, orient) \</span></div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="preprocessor"> (jpc_zcctxnolut[((orient) << 8) | ((f) & JPC_OTHSIGMSK)])</span></div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">/* Get the sign prediction bit. */</span></div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="keywordtype">int</span> jpc_getspb(<span class="keywordtype">int</span> f);</div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#define JPC_GETSPB(f) \</span></div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor"> (jpc_spblut[((f) & (JPC_PRIMSIGMSK | JPC_SGNMSK)) >> 4])</span></div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">/* Get the sign coding context. */</span></div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="keywordtype">int</span> jpc_getscctxno(<span class="keywordtype">int</span> f);</div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span> <span class="preprocessor">#define JPC_GETSCCTXNO(f) \</span></div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span> <span class="preprocessor"> (jpc_scctxnolut[((f) & (JPC_PRIMSIGMSK | JPC_SGNMSK)) >> 4])</span></div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span> </div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment">/* Get the magnitude context. */</span></div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="keywordtype">int</span> jpc_getmagctxno(<span class="keywordtype">int</span> f);</div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#define JPC_GETMAGCTXNO(f) \</span></div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"> (jpc_magctxnolut[((f) & JPC_OTHSIGMSK) | ((((f) & JPC_REFINE) != 0) << 11)])</span></div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment">/* Get the normalized MSE reduction for significance passes. */</span></div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#define JPC_GETSIGNMSEDEC(x, bitpos) jpc_getsignmsedec_macro(x, bitpos)</span></div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> jpc_fix_t jpc_getsignmsedec_func(jpc_fix_t x, <span class="keywordtype">int</span> bitpos);</div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#define jpc_getsignmsedec_macro(x, bitpos) \</span></div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor"> ((bitpos > JPC_NMSEDEC_FRACBITS) ? jpc_signmsedec[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)] : \</span></div> <div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor"> (jpc_signmsedec0[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)]))</span></div> <div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div> <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/* Get the normalized MSE reduction for refinement passes. */</span></div> <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="preprocessor">#define JPC_GETREFNMSEDEC(x, bitpos) jpc_getrefnmsedec_macro(x, bitpos)</span></div> <div class="line"><a name="l00230"></a><span class="lineno"> 230</span> jpc_fix_t jpc_refsignmsedec_func(jpc_fix_t x, <span class="keywordtype">int</span> bitpos);</div> <div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#define jpc_getrefnmsedec_macro(x, bitpos) \</span></div> <div class="line"><a name="l00232"></a><span class="lineno"> 232</span> <span class="preprocessor"> ((bitpos > JPC_NMSEDEC_FRACBITS) ? jpc_refnmsedec[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)] : \</span></div> <div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor"> (jpc_refnmsedec0[JPC_ASR(x, bitpos - JPC_NMSEDEC_FRACBITS) & JAS_ONES(JPC_NMSEDEC_BITS)]))</span></div> <div class="line"><a name="l00234"></a><span class="lineno"> 234</span> </div> <div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment">/* Arithmetic shift right (with ability to shift left also). */</span></div> <div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#define JPC_ASR(x, n) \</span></div> <div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="preprocessor"> (((n) >= 0) ? ((x) >> (n)) : ((x) << (-(n))))</span></div> <div class="line"><a name="l00238"></a><span class="lineno"> 238</span> </div> <div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment">/* Update the per-sample state information. */</span></div> <div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#define JPC_UPDATEFLAGS4(fp, rowstep, s, vcausalflag) \</span></div> <div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor">{ \</span></div> <div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="preprocessor"> register jpc_fix_t *np = (fp) - (rowstep); \</span></div> <div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="preprocessor"> register jpc_fix_t *sp = (fp) + (rowstep); \</span></div> <div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="preprocessor"> if ((vcausalflag)) { \</span></div> <div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="preprocessor"> sp[-1] |= JPC_NESIG; \</span></div> <div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="preprocessor"> sp[1] |= JPC_NWSIG; \</span></div> <div class="line"><a name="l00247"></a><span class="lineno"> 247</span> <span class="preprocessor"> if (s) { \</span></div> <div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor"> *sp |= JPC_NSIG | JPC_NSGN; \</span></div> <div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor"> (fp)[-1] |= JPC_ESIG | JPC_ESGN; \</span></div> <div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor"> (fp)[1] |= JPC_WSIG | JPC_WSGN; \</span></div> <div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="preprocessor"> } else { \</span></div> <div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor"> *sp |= JPC_NSIG; \</span></div> <div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor"> (fp)[-1] |= JPC_ESIG; \</span></div> <div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="preprocessor"> (fp)[1] |= JPC_WSIG; \</span></div> <div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor"> } \</span></div> <div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor"> } else { \</span></div> <div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="preprocessor"> np[-1] |= JPC_SESIG; \</span></div> <div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor"> np[1] |= JPC_SWSIG; \</span></div> <div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor"> sp[-1] |= JPC_NESIG; \</span></div> <div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor"> sp[1] |= JPC_NWSIG; \</span></div> <div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor"> if (s) { \</span></div> <div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="preprocessor"> *np |= JPC_SSIG | JPC_SSGN; \</span></div> <div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor"> *sp |= JPC_NSIG | JPC_NSGN; \</span></div> <div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor"> (fp)[-1] |= JPC_ESIG | JPC_ESGN; \</span></div> <div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor"> (fp)[1] |= JPC_WSIG | JPC_WSGN; \</span></div> <div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="preprocessor"> } else { \</span></div> <div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor"> *np |= JPC_SSIG; \</span></div> <div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="preprocessor"> *sp |= JPC_NSIG; \</span></div> <div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor"> (fp)[-1] |= JPC_ESIG; \</span></div> <div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"> (fp)[1] |= JPC_WSIG; \</span></div> <div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="preprocessor"> } \</span></div> <div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"> } \</span></div> <div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="preprocessor">}</span></div> <div class="line"><a name="l00274"></a><span class="lineno"> 274</span> </div> <div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="comment">/* Initialize the lookup tables used by the codec. */</span></div> <div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="keywordtype">void</span> jpc_initluts(<span class="keywordtype">void</span>);</div> <div class="line"><a name="l00277"></a><span class="lineno"> 277</span> </div> <div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment">/* Get the nominal gain associated with a particular band. */</span></div> <div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="keywordtype">int</span> JPC_NOMINALGAIN(<span class="keywordtype">int</span> qmfbid, <span class="keywordtype">int</span> numlvls, <span class="keywordtype">int</span> lvlno, <span class="keywordtype">int</span> orient);</div> <div class="line"><a name="l00280"></a><span class="lineno"> 280</span> </div> <div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">/* Get the coding pass type. */</span></div> <div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keywordtype">int</span> JPC_PASSTYPE(<span class="keywordtype">int</span> passno);</div> <div class="line"><a name="l00283"></a><span class="lineno"> 283</span> </div> <div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment">/* Get the segment type. */</span></div> <div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="keywordtype">int</span> JPC_SEGTYPE(<span class="keywordtype">int</span> passno, <span class="keywordtype">int</span> firstpassno, <span class="keywordtype">int</span> bypass);</div> <div class="line"><a name="l00286"></a><span class="lineno"> 286</span> </div> <div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment">/* Get the number of coding passess in the segment. */</span></div> <div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="keywordtype">int</span> JPC_SEGPASSCNT(<span class="keywordtype">int</span> passno, <span class="keywordtype">int</span> firstpassno, <span class="keywordtype">int</span> numpasses, <span class="keywordtype">int</span> bypass,</div> <div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="keywordtype">int</span> termall);</div> <div class="line"><a name="l00290"></a><span class="lineno"> 290</span> </div> <div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment">/* Is the coding pass terminated? */</span></div> <div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="keywordtype">int</span> JPC_ISTERMINATED(<span class="keywordtype">int</span> passno, <span class="keywordtype">int</span> firstpassno, <span class="keywordtype">int</span> numpasses, <span class="keywordtype">int</span> termall,</div> <div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordtype">int</span> lazy);</div> <div class="line"><a name="l00294"></a><span class="lineno"> 294</span> </div> <div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor">#endif</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_e185740431b67181ecdca7402cacad0e.html">jasper-2.0.14</a></li><li class="navelem"><a class="el" href="dir_09abaa95a44289eab8d3b9434c4e656f.html">src</a></li><li class="navelem"><a class="el" href="dir_e25500c44d2153759517bfe430937658.html">libjasper</a></li><li class="navelem"><a class="el" href="dir_d1e0c8e7462761ba7e08749b2c4ea5bb.html">jpc</a></li><li class="navelem"><b>jpc_t1cod.h</b></li> <li class="footer">Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.9.1 </li> </ul> </div> </body> </html>