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<a href="blockdelayline_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/******************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> Copyright (c) 2012-2016 Institut für Nachrichtentechnik, Universität Rostock</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> Copyright (c) 2006-2012 Quality &amp; Usability Lab</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment">                         Deutsche Telekom Laboratories, TU Berlin</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"></span> </div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> Permission is hereby granted, free of charge, to any person obtaining a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> of this software and associated documentation files (the &quot;Software&quot;), to deal</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> in the Software without restriction, including without limitation the rights</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> to use, copy, modify, merge, publish, distribute, sublicense, and/or sell</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> copies of the Software, and to permit persons to whom the Software is</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"></span> </div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> The above copyright notice and this permission notice shall be included in</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> all copies or substantial portions of the Software.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"></span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> THE SOFTWARE.</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment">*******************************************************************************/</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="comment">// https://AudioProcessingFramework.github.io/</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#ifndef APF_BLOCKDELAYLINE_H</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#define APF_BLOCKDELAYLINE_H</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &lt;algorithm&gt;</span>  <span class="comment">// for std::max()</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &lt;vector&gt;</span>  <span class="comment">// default container</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &quot;<a class="code" href="iterator_8h.html">apf/iterator.h</a>&quot;</span>  <span class="comment">// for circular_iterator, stride_iterator</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span> </div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceapf.html">apf</a></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span>{</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container = std::vector&lt;T&gt;&gt;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html">   47</a></span><span class="keyword">class </span><a class="code hl_class" href="classapf_1_1BlockDelayLine.html">BlockDelayLine</a></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>{</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>  <span class="keyword">public</span>:</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>    <span class="keyword">using </span>size_type = <span class="keyword">typename</span> Container::size_type;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>    <span class="keyword">using </span>difference_type = <span class="keyword">typename</span> Container::difference_type;</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    <span class="keyword">using </span>pointer = <span class="keyword">typename</span> Container::pointer;</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>    <span class="keyword">using </span><a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> = <a class="code hl_class" href="classapf_1_1circular__iterator.html">apf::circular_iterator&lt;typename Container::iterator&gt;</a>;</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a6412ee03e9fd04c41dde7bed0f48afbb">   55</a></span>    <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a6412ee03e9fd04c41dde7bed0f48afbb">BlockDelayLine</a>(size_type block_size, size_type max_delay);</div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span> </div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a63204ea357c8365b0988442388026d68">   62</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a63204ea357c8365b0988442388026d68">delay_is_valid</a>(size_type delay, size_type&amp; corrected)<span class="keyword"> const</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>      <span class="keywordtype">bool</span> valid = (delay &lt;= _max_delay);</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>      corrected = valid ? delay : _max_delay;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>      <span class="keywordflow">return</span> valid;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>    }</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a77dc69ef1d87688a81b2227b86644a0c">   70</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a77dc69ef1d87688a81b2227b86644a0c">delay_is_valid</a>(size_type delay)<span class="keyword"> const</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span>      size_type dummy;  <span class="comment">// dummy variable as default parameter</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span>      <span class="keywordflow">return</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a63204ea357c8365b0988442388026d68">delay_is_valid</a>(delay, dummy);</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span>    }</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a3b89b44fdc1f7dd3bdecd3a58c6c47c3">   77</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a3b89b44fdc1f7dd3bdecd3a58c6c47c3">advance</a>()</div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span>    {</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span>      ++_block_circulator;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span>      _data_circulator += <span class="keyword">static_cast&lt;</span>difference_type<span class="keyword">&gt;</span>(<a class="code hl_variable" href="classapf_1_1BlockDelayLine.html#a499ee411350674ed2c5763fc833bdb75">_block_size</a>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span>    }</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#ab128577db27eeb2c0e341df97f27d83f">   84</a></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#ab128577db27eeb2c0e341df97f27d83f">write_block</a>(Iterator source);</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">   87</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">read_block</a>(Iterator destination, size_type delay) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span> </div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#afec5abc94b8f231b1b39f3c1dd80c81a">   90</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#afec5abc94b8f231b1b39f3c1dd80c81a">read_block</a>(Iterator destination, size_type delay, T weight) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a0554f7b7e4d6537dfeb682370be3b002">   92</a></span>    pointer <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a0554f7b7e4d6537dfeb682370be3b002">get_write_pointer</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span> </div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a9774d36c26b58b1487220a6832267f15">   94</a></span>    <a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a9774d36c26b58b1487220a6832267f15">get_read_circulator</a>(size_type delay = 0) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span> </div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#aedbb09fc15ddd696fc8d83bbe4673f55">   98</a></span>    <a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#aedbb09fc15ddd696fc8d83bbe4673f55">_get_data_circulator</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> _data_circulator; }</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a499ee411350674ed2c5763fc833bdb75">  100</a></span>    <span class="keyword">const</span> size_type <a class="code hl_variable" href="classapf_1_1BlockDelayLine.html#a499ee411350674ed2c5763fc833bdb75">_block_size</a>;  </div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span> </div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>  <span class="keyword">private</span>:</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>    <span class="keyword">const</span> size_type _max_delay;  </div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>    <span class="keyword">const</span> size_type _number_of_blocks; </div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>    Container _data;  </div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span>    <a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> _data_circulator;</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span> </div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span>    <a class="code hl_class" href="classapf_1_1stride__iterator.html">apf::stride_iterator&lt;circulator&gt;</a> _block_circulator;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span>};</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container&gt;</div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a6412ee03e9fd04c41dde7bed0f48afbb">  121</a></span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a6412ee03e9fd04c41dde7bed0f48afbb">BlockDelayLine&lt;T, Container&gt;::BlockDelayLine</a>(size_type block_size</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span>    , size_type max_delay)</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span>  : _block_size(block_size)</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span>  , _max_delay(max_delay)</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span>  <span class="comment">// Minimum number of blocks is 2, even if _max_delay is 0.</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span>  <span class="comment">// With only one block the circular iterators r and (r + _block_size) would be</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span>  <span class="comment">// equal and the read...() functions wouldn&#39;t work.</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span>  <span class="comment">// But anyway, who wants a delay line with no delay? Kind of useless ...</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>  , _number_of_blocks(</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span>      std::max(size_type(2), (_max_delay + 2 * _block_size - 1) / _block_size))</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span>  , _data(_number_of_blocks * _block_size)  <span class="comment">// initialized with default ctor T()</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span>  , _data_circulator(_data.begin(), _data.end())</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span>  , _block_circulator(</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span>      _data_circulator, static_cast&lt;difference_type&gt;(_block_size))</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span>{</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span>  assert(<a class="code hl_variable" href="classapf_1_1BlockDelayLine.html#a499ee411350674ed2c5763fc833bdb75">_block_size</a> &gt;= 1);</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span>}</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span> </div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container&gt;</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span><span class="keywordtype">void</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#ab128577db27eeb2c0e341df97f27d83f">  152</a></span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#ab128577db27eeb2c0e341df97f27d83f">BlockDelayLine&lt;T, Container&gt;::write_block</a>(Iterator source)</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>{</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>  this-&gt;advance();</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span>  <span class="comment">// Ignore return value, next time get_write_pointer() has to be used again!</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span>  std::copy(source, source + _block_size, this-&gt;get_write_pointer());</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span>}</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span> </div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container&gt;</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">  167</a></span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">BlockDelayLine&lt;T, Container&gt;::read_block</a>(Iterator destination, size_type delay)<span class="keyword"></span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="keyword">  const</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span>  <span class="comment">// TODO: try to get a more meaningful error message if source is not a random</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span>  <span class="comment">// access iterator (e.g. when using a std::list)</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span>  <span class="keywordflow">if</span> (!this-&gt;delay_is_valid(delay)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span>  <a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> source = this-&gt;get_read_circulator(delay);</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span>  std::copy(source, source + <span class="keyword">static_cast&lt;</span>difference_type<span class="keyword">&gt;</span>(_block_size)</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>      , destination);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span>}</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span> </div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container&gt;</div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="keywordtype">bool</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#afec5abc94b8f231b1b39f3c1dd80c81a">  183</a></span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">BlockDelayLine&lt;T, Container&gt;::read_block</a>(Iterator destination</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>    , size_type delay, T weight)<span class="keyword"> const</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span>  <span class="keywordflow">if</span> (!this-&gt;delay_is_valid(delay)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>  <a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> source = this-&gt;get_read_circulator(delay);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span>  std::transform(source, source + <span class="keyword">static_cast&lt;</span>difference_type<span class="keyword">&gt;</span>(_block_size)</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span>      , destination, [weight] (T in) { <span class="keywordflow">return</span> in * weight; });</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span>}</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container&gt;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="keyword">typename</span> BlockDelayLine&lt;T, Container&gt;::pointer</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a0554f7b7e4d6537dfeb682370be3b002">  201</a></span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a0554f7b7e4d6537dfeb682370be3b002">BlockDelayLine&lt;T, Container&gt;::get_write_pointer</a>()<span class="keyword"> const</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span>  <span class="keywordflow">return</span> &amp;*_block_circulator.base().base();</div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span>}</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span> </div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container&gt;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="keyword">typename</span> <a class="code hl_class" href="classapf_1_1circular__iterator.html">BlockDelayLine&lt;T, Container&gt;::circulator</a></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"><a class="line" href="classapf_1_1BlockDelayLine.html#a9774d36c26b58b1487220a6832267f15">  213</a></span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a9774d36c26b58b1487220a6832267f15">BlockDelayLine&lt;T, Container&gt;::get_read_circulator</a>(size_type delay)<span class="keyword"> const</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="keyword"></span>{</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span>  <span class="keywordflow">return</span> _get_data_circulator() - <span class="keyword">static_cast&lt;</span>difference_type<span class="keyword">&gt;</span>(delay);</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span>}</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> Container = std::vector&lt;T&gt;&gt;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html">  224</a></span><span class="keyword">class </span><a class="code hl_class" href="classapf_1_1NonCausalBlockDelayLine.html">NonCausalBlockDelayLine</a> : <span class="keyword">private</span> <a class="code hl_class" href="classapf_1_1BlockDelayLine.html">BlockDelayLine</a>&lt;T, Container&gt;</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span>{</div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span>  <span class="keyword">private</span>:</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span>    <span class="keyword">using </span><a class="code hl_class" href="classapf_1_1BlockDelayLine.html">_base</a> = <a class="code hl_class" href="classapf_1_1BlockDelayLine.html">BlockDelayLine&lt;T, Container&gt;</a>;</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span> </div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span>  <span class="keyword">public</span>:</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span>    <span class="keyword">using </span>typename _base::size_type;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>    <span class="keyword">using </span>typename <a class="code hl_class" href="classapf_1_1circular__iterator.html">_base::circulator</a>;</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span>    <span class="keyword">using </span>difference_type = <span class="keyword">typename</span> _base::circulator::difference_type;</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span> </div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#a41f94307e8260541c7dec51bfa167e7e">  239</a></span>    <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#a41f94307e8260541c7dec51bfa167e7e">NonCausalBlockDelayLine</a>(size_type block_size, size_type max_delay</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span>        , size_type initial_delay)</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span>      : <a class="code hl_class" href="classapf_1_1BlockDelayLine.html">_base</a>(block_size, max_delay + initial_delay)</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span>      , _initial_delay(static_cast&lt;difference_type&gt;(initial_delay))</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span>    {}</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span> </div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="preprocessor">#ifdef APF_DOXYGEN_HACK</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span>    <span class="comment">// This is just for Doxygen documentation:</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#aa4305b2318ea6e362b2d6cfc5939c237">  248</a></span><span class="comment"></span>    <span class="keywordtype">void</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#aa4305b2318ea6e362b2d6cfc5939c237">advance</a>();</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#a16185eecd4bca77dfd07feb3cda693ff">  250</a></span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt; <span class="keywordtype">void</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#a16185eecd4bca77dfd07feb3cda693ff">write_block</a>(Iterator source);</div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#af8b15bad55fa04302cab8d12ae608b39">  252</a></span>    pointer <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#af8b15bad55fa04302cab8d12ae608b39">get_write_pointer</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="preprocessor">#else</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span>    <span class="comment">// This is the real thing:</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span>    <span class="keyword">using </span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a3b89b44fdc1f7dd3bdecd3a58c6c47c3">_base::advance</a>;</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span>    <span class="keyword">using </span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#ab128577db27eeb2c0e341df97f27d83f">_base::write_block</a>;</div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span>    <span class="keyword">using </span><a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a0554f7b7e4d6537dfeb682370be3b002">_base::get_write_pointer</a>;</div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#aafd05987e3e230e2f7a0b379d71453c6">  266</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#aafd05987e3e230e2f7a0b379d71453c6">delay_is_valid</a>(difference_type delay, difference_type&amp; corrected)<span class="keyword"> const</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span>      <span class="keywordflow">if</span> (delay &lt; -_initial_delay)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span>      {</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>        corrected = -_initial_delay;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span>        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span>      }</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span>      size_type tmp;</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>      <span class="keywordtype">bool</span> valid = <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a63204ea357c8365b0988442388026d68">_base::delay_is_valid</a>(</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span>          <span class="keyword">static_cast&lt;</span>size_type<span class="keyword">&gt;</span>(delay + _initial_delay), tmp);</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span>      corrected = <span class="keyword">static_cast&lt;</span>difference_type<span class="keyword">&gt;</span>(tmp) - _initial_delay;</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span>      <span class="keywordflow">return</span> valid;</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span>    }</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span> </div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#aee07506ac6d80b213587dc8ff0e7020e">  281</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#aee07506ac6d80b213587dc8ff0e7020e">delay_is_valid</a>(difference_type delay)<span class="keyword"> const</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>      difference_type dummy;  <span class="comment">// dummy variable as default parameter</span></div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span>      <span class="keywordflow">return</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#aafd05987e3e230e2f7a0b379d71453c6">delay_is_valid</a>(delay, dummy);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span>    }</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span> </div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#a8a2dd26496708dc58e530440b90808c4">  289</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#a8a2dd26496708dc58e530440b90808c4">read_block</a>(Iterator destination, difference_type delay)<span class="keyword"> const</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span>      <span class="keywordflow">if</span> (delay &lt; -_initial_delay) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span>      <span class="keywordflow">return</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">_base::read_block</a>(destination</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span>          , <span class="keyword">static_cast&lt;</span>size_type<span class="keyword">&gt;</span>(delay + _initial_delay));</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>    }</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span> </div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> Iterator&gt;</div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#a8cfd51692623916dc1577b94590bbf73">  298</a></span>    <span class="keywordtype">bool</span> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#a8cfd51692623916dc1577b94590bbf73">read_block</a>(Iterator destination, difference_type delay, T weight)<span class="keyword"> const</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span>      <span class="keywordflow">if</span> (delay &lt; -_initial_delay) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span>      <span class="keywordflow">return</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">_base::read_block</a>(destination</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span>          , <span class="keyword">static_cast&lt;</span>size_type<span class="keyword">&gt;</span>(delay + _initial_delay), weight);</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>    }</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span> </div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"><a class="line" href="classapf_1_1NonCausalBlockDelayLine.html#a748b1c9b3d933e6e6b806e4b6bbc43d8">  306</a></span>    <a class="code hl_class" href="classapf_1_1circular__iterator.html">circulator</a> <a class="code hl_function" href="classapf_1_1NonCausalBlockDelayLine.html#a748b1c9b3d933e6e6b806e4b6bbc43d8">get_read_circulator</a>(difference_type delay = 0)<span class="keyword"> const</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="keyword">    </span>{</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span>      <span class="keywordflow">return</span> <a class="code hl_function" href="classapf_1_1BlockDelayLine.html#a9774d36c26b58b1487220a6832267f15">_base::get_read_circulator</a>(delay + _initial_delay);</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span>    }</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span> </div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span>  <span class="keyword">private</span>:</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span>    <span class="keyword">const</span> difference_type _initial_delay;</div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span>};</div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span> </div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>}  <span class="comment">// namespace apf</span></div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span><span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html">apf::BlockDelayLine</a></div><div class="ttdoc">Block-based delay line.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00047">blockdelayline.h:48</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a0554f7b7e4d6537dfeb682370be3b002"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a0554f7b7e4d6537dfeb682370be3b002">apf::BlockDelayLine::get_write_pointer</a></div><div class="ttdeci">pointer get_write_pointer() const</div><div class="ttdoc">Get the write pointer.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00201">blockdelayline.h:201</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a3b89b44fdc1f7dd3bdecd3a58c6c47c3"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a3b89b44fdc1f7dd3bdecd3a58c6c47c3">apf::BlockDelayLine::advance</a></div><div class="ttdeci">void advance()</div><div class="ttdoc">Advance the internal iterators/pointers to the next block.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00077">blockdelayline.h:77</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a499ee411350674ed2c5763fc833bdb75"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a499ee411350674ed2c5763fc833bdb75">apf::BlockDelayLine::_block_size</a></div><div class="ttdeci">const size_type _block_size</div><div class="ttdoc">Size of read/write blocks.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00100">blockdelayline.h:100</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a63204ea357c8365b0988442388026d68"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a63204ea357c8365b0988442388026d68">apf::BlockDelayLine::delay_is_valid</a></div><div class="ttdeci">bool delay_is_valid(size_type delay, size_type &amp;corrected) const</div><div class="ttdoc">Check if a given delay is valid.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00062">blockdelayline.h:62</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a6412ee03e9fd04c41dde7bed0f48afbb"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a6412ee03e9fd04c41dde7bed0f48afbb">apf::BlockDelayLine::BlockDelayLine</a></div><div class="ttdeci">BlockDelayLine(size_type block_size, size_type max_delay)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00121">blockdelayline.h:121</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a77dc69ef1d87688a81b2227b86644a0c"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a77dc69ef1d87688a81b2227b86644a0c">apf::BlockDelayLine::delay_is_valid</a></div><div class="ttdeci">bool delay_is_valid(size_type delay) const</div><div class="ttdoc">Return true if delay is valid.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00070">blockdelayline.h:70</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_a9774d36c26b58b1487220a6832267f15"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#a9774d36c26b58b1487220a6832267f15">apf::BlockDelayLine::get_read_circulator</a></div><div class="ttdeci">circulator get_read_circulator(size_type delay=0) const</div><div class="ttdoc">Get the read circulator.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00213">blockdelayline.h:213</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_aa4a0c228c818d55b50cce167828e1fd5"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#aa4a0c228c818d55b50cce167828e1fd5">apf::BlockDelayLine::read_block</a></div><div class="ttdeci">bool read_block(Iterator destination, size_type delay) const</div><div class="ttdoc">Read a block of data from the delay line.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00167">blockdelayline.h:167</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_ab128577db27eeb2c0e341df97f27d83f"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#ab128577db27eeb2c0e341df97f27d83f">apf::BlockDelayLine::write_block</a></div><div class="ttdeci">void write_block(Iterator source)</div><div class="ttdoc">Write a block of data to the delay line.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00152">blockdelayline.h:152</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_aedbb09fc15ddd696fc8d83bbe4673f55"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#aedbb09fc15ddd696fc8d83bbe4673f55">apf::BlockDelayLine::_get_data_circulator</a></div><div class="ttdeci">circulator _get_data_circulator() const</div><div class="ttdoc">Get a circular iterator to the sample with time 0.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00098">blockdelayline.h:98</a></div></div>
<div class="ttc" id="aclassapf_1_1BlockDelayLine_html_afec5abc94b8f231b1b39f3c1dd80c81a"><div class="ttname"><a href="classapf_1_1BlockDelayLine.html#afec5abc94b8f231b1b39f3c1dd80c81a">apf::BlockDelayLine::read_block</a></div><div class="ttdeci">bool read_block(Iterator destination, size_type delay, T weight) const</div><div class="ttdoc">Read from the delay line and multiply each element by a given factor.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00183">blockdelayline.h:183</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html">apf::NonCausalBlockDelayLine</a></div><div class="ttdoc">A block-based delay line where negative delay is possible.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00224">blockdelayline.h:225</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_a16185eecd4bca77dfd07feb3cda693ff"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#a16185eecd4bca77dfd07feb3cda693ff">apf::NonCausalBlockDelayLine::write_block</a></div><div class="ttdeci">void write_block(Iterator source)</div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_a41f94307e8260541c7dec51bfa167e7e"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#a41f94307e8260541c7dec51bfa167e7e">apf::NonCausalBlockDelayLine::NonCausalBlockDelayLine</a></div><div class="ttdeci">NonCausalBlockDelayLine(size_type block_size, size_type max_delay, size_type initial_delay)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00239">blockdelayline.h:239</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_a748b1c9b3d933e6e6b806e4b6bbc43d8"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#a748b1c9b3d933e6e6b806e4b6bbc43d8">apf::NonCausalBlockDelayLine::get_read_circulator</a></div><div class="ttdeci">circulator get_read_circulator(difference_type delay=0) const</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00306">blockdelayline.h:306</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_a8a2dd26496708dc58e530440b90808c4"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#a8a2dd26496708dc58e530440b90808c4">apf::NonCausalBlockDelayLine::read_block</a></div><div class="ttdeci">bool read_block(Iterator destination, difference_type delay) const</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00289">blockdelayline.h:289</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_a8cfd51692623916dc1577b94590bbf73"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#a8cfd51692623916dc1577b94590bbf73">apf::NonCausalBlockDelayLine::read_block</a></div><div class="ttdeci">bool read_block(Iterator destination, difference_type delay, T weight) const</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00298">blockdelayline.h:298</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_aa4305b2318ea6e362b2d6cfc5939c237"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#aa4305b2318ea6e362b2d6cfc5939c237">apf::NonCausalBlockDelayLine::advance</a></div><div class="ttdeci">void advance()</div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_aafd05987e3e230e2f7a0b379d71453c6"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#aafd05987e3e230e2f7a0b379d71453c6">apf::NonCausalBlockDelayLine::delay_is_valid</a></div><div class="ttdeci">bool delay_is_valid(difference_type delay, difference_type &amp;corrected) const</div><div class="ttdoc">Check if a given delay is valid.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00266">blockdelayline.h:266</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_aee07506ac6d80b213587dc8ff0e7020e"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#aee07506ac6d80b213587dc8ff0e7020e">apf::NonCausalBlockDelayLine::delay_is_valid</a></div><div class="ttdeci">bool delay_is_valid(difference_type delay) const</div><div class="ttdoc">Return true if delay is valid.</div><div class="ttdef"><b>Definition:</b> <a href="blockdelayline_8h_source.html#l00281">blockdelayline.h:281</a></div></div>
<div class="ttc" id="aclassapf_1_1NonCausalBlockDelayLine_html_af8b15bad55fa04302cab8d12ae608b39"><div class="ttname"><a href="classapf_1_1NonCausalBlockDelayLine.html#af8b15bad55fa04302cab8d12ae608b39">apf::NonCausalBlockDelayLine::get_write_pointer</a></div><div class="ttdeci">pointer get_write_pointer() const</div></div>
<div class="ttc" id="aclassapf_1_1circular__iterator_html"><div class="ttname"><a href="classapf_1_1circular__iterator.html">apf::circular_iterator&lt; typename Container::iterator &gt;</a></div></div>
<div class="ttc" id="aclassapf_1_1stride__iterator_html"><div class="ttname"><a href="classapf_1_1stride__iterator.html">apf::stride_iterator</a></div><div class="ttdoc">A stride iterator.</div><div class="ttdef"><b>Definition:</b> <a href="iterator_8h_source.html#l01050">iterator.h:1051</a></div></div>
<div class="ttc" id="aiterator_8h_html"><div class="ttname"><a href="iterator_8h.html">iterator.h</a></div><div class="ttdoc">Several more or less useful iterators and some macros.</div></div>
<div class="ttc" id="anamespaceapf_html"><div class="ttname"><a href="namespaceapf.html">apf</a></div><div class="ttdoc">Audio Processing Framework.</div><div class="ttdef"><b>Definition:</b> <a href="iterator_8h_source.html#l00060">iterator.h:61</a></div></div>
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