<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.11"/> <title>libg722_1: bv16externs.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); $(window).load(resizeHeight); </script> <link href="css.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">libg722_1  <span id="projectnumber">0.1.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.11 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> </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('bv16externs_8h_source.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">bv16externs.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">/* BroadVoice(R)16 (BV16) Floating-Point ANSI-C Source Code */</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/* Revision Date: August 19, 2009 */</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/* Version 1.0 */</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/* Copyright 2000-2009 Broadcom Corporation */</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">/* This software is provided under the GNU Lesser General Public License, */</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/* version 2.1, as published by the Free Software Foundation ("LGPL"). */</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/* This program is distributed in the hope that it will be useful, but */</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">/* WITHOUT ANY SUPPORT OR WARRANTY; without even the implied warranty of */</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the LGPL for */</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">/* more details. A copy of the LGPL is available at */</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">/* http://www.broadcom.com/licenses/LGPLv2.1.php, */</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">/* or by writing to the Free Software Foundation, Inc., */</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">/* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">/*****************************************************************************/</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">/*****************************************************************************</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> bv16externs.c : BV16 Fixed-Point externs</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> $Log: bv16externs.h,v $</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> Revision 1.1.1.1 2009/11/19 12:10:48 steveu</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> Start from Broadcom's code</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> Revision 1.1.1.1 2009/11/17 14:06:02 steveu</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> start</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"></span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment">******************************************************************************/</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "typedef.h"</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "bv16cnst.h"</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "bvcommon.h"</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">/* POINTERS */</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_winl[WINSZ];</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_sstwin[1 + LPCO];</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_gfsz[];</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_gfsp[];</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">int</span> bv16_idxord[];</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_hpfa[];</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_hpfb[];</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_adf[];</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_bdf[];</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_x[];</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_x2[];</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_MPTH[];</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">/* LSP Quantization */</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lspecb1[LSPECBSZ1*LPCO];</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lspecb2[LSPECBSZ2*LPCO];</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lspmean[LPCO];</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lspp[LSPPORDER*LPCO];</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">/* Pitch Predictor Codebook */</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_pp9cb[PPCBSZ*9];</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">/* Log-Gain Quantization */</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lgpecb[LGPECBSZ];</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lgp[LGPORDER];</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lgmean;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">/* Log-Gain Limitation */</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lgclimit[];</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/* Excitation Codebook */</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_cccb[CBSZ*VDIM];</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv16_lgpecb_nh[];</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">/* Function Prototypes */</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">extern</span> Float estlevel(Float lg,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  Float *level,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  Float *lmax,</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  Float *lmin,</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  Float *lmean,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  Float *x1,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  int16_t ngfae,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  int16_t nggalgc,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  Float *estl_alpha_min);</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="keyword">extern</span> <span class="keywordtype">void</span> excdec_w_LT_synth(</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  Float *ltsym, <span class="comment">/* long-term synthesis filter memory at decoder*/</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  int16_t *idx, <span class="comment">/* excitation codebook index array for current subframe */</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  Float gainq, <span class="comment">/* quantized linear gains for sub-subframes */</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  Float *b, <span class="comment">/* coefficient of 3-tap pitch predictor */</span></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  int16_t pp, <span class="comment">/* pitch period */</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">const</span> Float *cb, <span class="comment">/* scalar quantizer codebook */</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  Float *EE);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">extern</span> Float gaindec(Float *lgq,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  int16_t gidx,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Float *lgpm,</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  Float *prevlg, <span class="comment">/* previous log gains (last two frames) */</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  Float level,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  int16_t *nggalgc,</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  Float *lg_el);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">extern</span> Float gaindec_fe(Float lgq_last,</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  Float *lgpm);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">void</span> gainplc(Float E,</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  Float *lgeqm,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  Float *lgqm);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> lspdec(</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  Float *lspq,</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  int16_t *lspidx,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  Float *lsppm,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  Float *lspq_last);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> lspplc(</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  Float *lspq,</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  Float *lsppm);</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> coarsepitch(</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  Float *xw,</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  Float *xwd,</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  Float *dfm,</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">int</span> cpplast);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> refinepitch(</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  Float *x,</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">int</span> cpp,</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  Float *ppt);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> pitchtapquan(</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  Float *x,</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordtype">int</span> pp,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  Float *b,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  Float *re);</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> excquan(</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  int16_t *idx, <span class="comment">/* quantizer codebook index for uq[] vector */</span></div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  Float *s, <span class="comment">/* input speech signal vector */</span></div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  Float *aq, <span class="comment">/* short-term predictor coefficient array */</span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  Float *fsz, <span class="comment">/* short-term noise feedback filter - numerator */</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  Float *fsp, <span class="comment">/* short-term noise feedback filter - denominator */</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  Float *b, <span class="comment">/* coefficient of 3-tap pitch predictor */</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  Float beta, <span class="comment">/* coefficient of 1-tap LT noise feedback filter */</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  Float *stsym, <span class="comment">/* filter memory before filtering of current vector */</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  Float *ltsym, <span class="comment">/* long-term synthesis filter memory */</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  Float *ltnfm, <span class="comment">/* long-term noise feedback filter memory */</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  Float *stnfz,</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  Float *stnfp,</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  Float *cb, <span class="comment">/* scalar quantizer codebook */</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">int</span> pp); <span class="comment">/* pitch period (# of 8 kHz samples) */</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="keyword">extern</span> <span class="keywordtype">int</span> gainquan(</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  Float *gainq,</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  Float lg,</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  Float *lgpm,</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  Float *prevlg,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  Float level);</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> lspquan(</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  Float *lspq,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  int16_t *lspidx,</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  Float *lsp,</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  Float *lsppm);</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> bv16_pp3dec(int16_t idx, Float *b);</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_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_fbe9697c97366b99ab08d07569de0820.html">floating</a></li><li class="navelem"><a class="el" href="dir_55f967fee1f79136d74b6ead3ea759a6.html">bv16</a></li><li class="navelem"><b>bv16externs.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> 1.8.11 </li> </ul> </div> </body> </html>