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<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 - a library for the BroadVoice 16 and 32 codecs</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * bv32externs.h - </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> <span class="comment"> * Adapted by Steve Underwood <steveu@coppice.org> from code which is</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright 2000-2009 Broadcom Corporation</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * All rights reserved.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * it under the terms of the GNU Lesser General Public License version 2.1,</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * as published by the Free Software Foundation.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> *</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * GNU Lesser General Public License for more details.</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> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * License along with this program; if not, write to the Free Software</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> *</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * $Id: bv32externs.h,v 1.1.1.1 2009/11/19 12:10:48 steveu Exp $</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> </div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "typedef.h"</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "bv32cnst.h"</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "bvcommon.h"</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">/* Pointers */</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_winl[];</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_sstwin[];</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keywordtype">int</span> bv32_idxord[];</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_hpfa[];</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_hpfb[];</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_adf[];</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_bdf[];</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_x[];</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_x2[];</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">extern</span> Float bv32_invk[];</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_MPTH[];</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">/* LSP Quantization */</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lspecb1[LSPECBSZ1*LPCO];</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lspecb21[LSPECBSZ21*SVD1];</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lspecb22[LSPECBSZ22*SVD2];</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lspmean[LPCO];</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lspp[LSPPORDER*LPCO];</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">/* Pitch Predictor Codebook */</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 bv32_pp9cb[];</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">/* Log-Gain Quantization */</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lgpecb[LGPECBSZ];</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lgp[LGPORDER];</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lgmean;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* Log-Gain Limitation */</span></div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_lgclimit[];</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/* Excitation Codebook */</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_cccb[CBSZ*VDIM];</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="keyword">extern</span> <span class="keyword">const</span> Float bv32_lgpecb_nh[];</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_a_pre[];</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="keyword">extern</span> <span class="keyword">const</span> Float bv32_b_pre[];</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">/* Function Prototypes */</span></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> Float bv32_estlevel(Float lg,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  Float *level,</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  Float *lmax,</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  Float *lmin,</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  Float *lmean,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  Float *x1);</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> bv32_excdec_w_LT_synth(Float *ltsymd, <span class="comment">/* long-term synthesis filter memory at decoder*/</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  int16_t *idx, <span class="comment">/* excitation codebook index array for current subframe */</span></div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  Float *gainq, <span class="comment">/* quantized linear gains for sub-subframes */</span></div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  Float *b, <span class="comment">/* coefficient of 3-tap pitch predictor */</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  int16_t pp, <span class="comment">/* pitch period (# of 8 kHz samples) */</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  Float *EE);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">extern</span> Float bv32_gaindec(Float *lgq,</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  int16_t gidx,</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  Float *lgpm,</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  Float *prevlg,</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  Float level,</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  int16_t *nclglim,</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  int16_t lctimer);</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> <span class="keywordtype">void</span> bv32_gainplc(Float E,</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  Float *lgeqm,</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  Float *lgqm);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> bv32_lspdec(Float *lspq,</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  int16_t *lspidx,</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  Float *lsppm,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  Float *lspq_last);</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="keyword">extern</span> <span class="keywordtype">void</span> bv32_lspplc(Float *lspq,</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  Float *lsppm);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> bv32_coarsepitch(Float *xw,</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  Float *xwd,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  Float *dfm,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">int</span> cpplast);</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</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="keyword">extern</span> <span class="keywordtype">int</span> bv32_refinepitch(Float *x,</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordtype">int</span> cpp,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  Float *ppt);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> bv32_pitchtapquan(Float *x,</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">int</span> pp,</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  Float *b);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> </div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> bv32_excquan(</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  Float *qv, <span class="comment">/* output quantized excitation signal vector */</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  int16_t *idx, <span class="comment">/* quantizer codebook index for uq[] vector */</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  Float *d, <span class="comment">/* input prediction residual signal vector */</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  Float *h, <span class="comment">/* noise feedback filter coefficient array */</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  Float *b, <span class="comment">/* coefficient of 3-tap pitch predictor */</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  Float beta, <span class="comment">/* coefficient of weighted 3-tap pitch predictor */</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  Float *ltsym, <span class="comment">/* long-term synthesis filter memory */</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  Float *ltnfm, <span class="comment">/* long-term noise feedback filter memory */</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  Float *stnfm, <span class="comment">/* short-term noise feedback filter memory */</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  Float *cb, <span class="comment">/* scalar quantizer codebook */</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> pp); <span class="comment">/* pitch period (# of 8 kHz samples) */</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">extern</span> <span class="keywordtype">int</span> bv32_gainquan(Float *gainq,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  Float lg,</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  Float *lgpm,</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  Float *prevlg,</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  Float level);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> bv32_lspquan(Float *lspq,</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  int16_t *lspidx,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  Float *lsp,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  Float *lsppm);</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">extern</span> <span class="keywordtype">void</span> bv32_pp3dec(int16_t idx, Float *b);</div></div><!-- fragment --></div><!-- contents -->
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