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<a href="gr__block_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- c++ -*- */</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright 2004,2007,2009,2010 Free Software Foundation, Inc.</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * This file is part of GNU Radio</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY 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</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * Boston, MA 02110-1301, USA.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef INCLUDED_GR_BLOCK_H</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_BLOCK_H</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="gr__core__api_8h.html">gr_core_api.h</a>></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="gr__basic__block_8h.html">gr_basic_block.h</a>></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="gr__tags_8h.html">gr_tags.h</a>></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">/*!</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * \brief The abstract base class for all 'terminal' processing blocks.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * \ingroup base_blk</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * A signal processing flow is constructed by creating a tree of</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * hierarchical blocks, which at any level may also contain terminal nodes</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * that actually implement signal processing functions. This is the base</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * class for all such leaf nodes.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * Blocks have a set of input streams and output streams. The</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * input_signature and output_signature define the number of input</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * streams and output streams respectively, and the type of the data</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * items in each stream.</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * Although blocks may consume data on each input stream at a</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * different rate, all outputs streams must produce data at the same</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * rate. That rate may be different from any of the input rates.</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * User derived blocks override two methods, forecast and general_work,</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * to implement their signal processing behavior. forecast is called</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * by the system scheduler to determine how many items are required on</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * each input stream in order to produce a given number of output</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * items.</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * general_work is called to perform the signal processing in the block.</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * It reads the input items and writes the output items.</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="code" href="classgr__block.html"> 58</a></span> <span class="keyword">class </span><a class="code" href="gr__core__api_8h.html#a8b8937b0c61edd85ab57ce8203543248">GR_CORE_API</a> <a class="code" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...">gr_block</a> : <span class="keyword">public</span> <a class="code" href="classgr__basic__block.html" title="The abstract base class for all signal processing blocks.Basic blocks are the bare abstraction of an ...">gr_basic_block</a> {</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="keyword">public</span>:</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> //! Magic return values from general_work</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"></span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="code" href="classgr__block.html#af026aa236701757fd5f71129daad883ca248a1e0554813ce26007ff5ec1530392"> 64</a></span>  WORK_CALLED_PRODUCE = -2,</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="classgr__block.html#af026aa236701757fd5f71129daad883ca221c2211857dcee81fb2bbb97fe6b223"> 65</a></span>  WORK_DONE = -1</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  };</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61"> 68</a></span>  <span class="keyword">enum</span> <a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61">tag_propagation_policy_t</a> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61ad472255a4873399940aec9d614d82287"> 69</a></span>  TPP_DONT = 0,</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61ac59dabb0af9fac19958d18378f3cfbfb"> 70</a></span>  TPP_ALL_TO_ALL = 1,</div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="classgr__block.html#a32561c88f124ea07881879fe79840f61a98228946b0f3b3887230269c9ba5a60f"> 71</a></span>  TPP_ONE_TO_ONE = 2</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  };</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="keyword">virtual</span> ~<a class="code" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...">gr_block</a> ();</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="comment"></span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="comment"> * Assume block computes y_i = f(x_i, x_i-1, x_i-2, x_i-3...)</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment"> * History is the number of x_i's that are examined to produce one y_i.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="comment"> * This comes in handy for FIR filters, where we use history to</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment"> * ensure that our input contains the appropriate "history" for the</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="comment"> * filter. History should be equal to the number of filter taps.</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="code" href="classgr__block.html#ad3b305a663f4b5b5c4e17070d00f05d9"> 83</a></span>  <span class="keywordtype">unsigned</span> <a class="code" href="classgr__block.html#ad3b305a663f4b5b5c4e17070d00f05d9">history</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_history; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"><a class="code" href="classgr__block.html#a7c1c85a2d47f72255efd821a6f98f7ba"> 84</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a7c1c85a2d47f72255efd821a6f98f7ba">set_history</a> (<span class="keywordtype">unsigned</span> history) { d_history = history; }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment"></span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment"> * \brief Return true if this block has a fixed input to output rate.</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="comment"> * If true, then fixed_rate_in_to_out and fixed_rate_out_to_in may be called.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="code" href="classgr__block.html#ab4eeb29440f674815ab3b44b4fb0c34d"> 91</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgr__block.html#ab4eeb29440f674815ab3b44b4fb0c34d" title="Return true if this block has a fixed input to output rate.">fixed_rate</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_fixed_rate; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="comment">// ----------------------------------------------------------------</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="comment">// override these to define your behavior</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// ----------------------------------------------------------------</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment"></span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"> * \brief Estimate input requirements given output request</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment"> * \param noutput_items number of output items to produce</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment"> * \param ninput_items_required number of input items required on each input stream</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment"> * Given a request to product \p noutput_items, estimate the number of</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment"> * data items required on each input stream. The estimate doesn't have</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment"> * to be exact, but should be close.</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> forecast (<span class="keywordtype">int</span> noutput_items,</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="gr__types_8h.html#ab02d0a829d67d39e3ac3163016d3a8be">gr_vector_int</a> &ninput_items_required);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment"></span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment"> * \brief compute output items from input items</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"> * \param noutput_items number of output items to write on each output stream</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment"> * \param ninput_items number of input items available on each input stream</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment"> * \param input_items vector of pointers to the input items, one entry per input stream</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment"> * \param output_items vector of pointers to the output items, one entry per output stream</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="comment"> * \returns number of items actually written to each output stream, or -1 on EOF.</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="comment"> * It is OK to return a value less than noutput_items. -1 <= return value <= noutput_items</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="comment"> * general_work must call consume or consume_each to indicate how many items</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"> * were consumed on each input stream.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> general_work (<span class="keywordtype">int</span> noutput_items,</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <a class="code" href="gr__types_8h.html#ab02d0a829d67d39e3ac3163016d3a8be">gr_vector_int</a> &ninput_items,</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="gr__types_8h.html#a9852a3d906d823cb70eb9c29e7f2a43d">gr_vector_const_void_star</a> &input_items,</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="gr__types_8h.html#acd3f499576e769966ea44554b359d949">gr_vector_void_star</a> &output_items);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment"></span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment"> * \brief Called to enable drivers, etc for i/o devices.</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment"> * This allows a block to enable an associated driver to begin</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"> * transfering data just before we start to execute the scheduler.</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="comment"> * The end result is that this reduces latency in the pipeline when</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="comment"> * dealing with audio devices, usrps, etc.</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> start();</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="comment"></span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> * \brief Called to disable drivers, etc for i/o devices.</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> stop();</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="comment">// ----------------------------------------------------------------</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"></span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment"> * \brief Constrain the noutput_items argument passed to forecast and general_work</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment"> * set_output_multiple causes the scheduler to ensure that the noutput_items</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * argument passed to forecast and general_work will be an integer multiple</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * of \param multiple The default value of output multiple is 1.</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">void</span> set_output_multiple (<span class="keywordtype">int</span> multiple);</div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="code" href="classgr__block.html#ade8590e9cba9ccfe1b870be46b1416c2"> 154</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__block.html#ade8590e9cba9ccfe1b870be46b1416c2">output_multiple</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_output_multiple; }</div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="code" href="classgr__block.html#a245374fe2959e13f0b4311c5bcf4a7f7"> 155</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgr__block.html#a245374fe2959e13f0b4311c5bcf4a7f7">output_multiple_set</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_output_multiple_set; }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="comment"></span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="comment"> * \brief Constrains buffers to work on a set item alignment (for SIMD)</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment"> * set_alignment_multiple causes the scheduler to ensure that the noutput_items</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * argument passed to forecast and general_work will be an integer multiple</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> * of \param multiple The default value is 1.</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment"> * This control is similar to the output_multiple setting, except</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment"> * that if the number of items passed to the block is less than the</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment"> * output_multiple, this value is ignored and the block can produce</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment"> * like normal. The d_unaligned value is set to the number of items</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="comment"> * the block is off by. In the next call to general_work, the</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="comment"> * noutput_items is set to d_unaligned or less until</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment"> * d_unaligned==0. The buffers are now aligned again and the aligned</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * calls can be performed again.</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordtype">void</span> set_alignment (<span class="keywordtype">int</span> multiple);</div>
<div class="line"><a name="l00174"></a><span class="lineno"><a class="code" href="classgr__block.html#a0ac966add9d0c994aa06c61d30ef8335"> 174</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__block.html#a0ac966add9d0c994aa06c61d30ef8335">alignment</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_output_multiple; }</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordtype">void</span> set_unaligned (<span class="keywordtype">int</span> na);</div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="code" href="classgr__block.html#a811b7548c5573f890ff2baf8a0f5c981"> 177</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__block.html#a811b7548c5573f890ff2baf8a0f5c981">unaligned</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_unaligned; }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">void</span> set_is_unaligned (<span class="keywordtype">bool</span> u);</div>
<div class="line"><a name="l00179"></a><span class="lineno"><a class="code" href="classgr__block.html#a1e7452c9abae22f1e5591a6132ca6a2a"> 179</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classgr__block.html#a1e7452c9abae22f1e5591a6132ca6a2a">is_unaligned</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_is_unaligned; }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"></span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment"> * \brief Tell the scheduler \p how_many_items of input stream \p which_input were consumed.</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordtype">void</span> consume (<span class="keywordtype">int</span> which_input, <span class="keywordtype">int</span> how_many_items);</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment"></span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment"> * \brief Tell the scheduler \p how_many_items were consumed on each input stream.</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">void</span> consume_each (<span class="keywordtype">int</span> how_many_items);</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="comment"></span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"> * \brief Tell the scheduler \p how_many_items were produced on output stream \p which_output.</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment"> * If the block's general_work method calls produce, \p general_work must return WORK_CALLED_PRODUCE.</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keywordtype">void</span> produce (<span class="keywordtype">int</span> which_output, <span class="keywordtype">int</span> how_many_items);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment"></span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment"> * \brief Set the approximate output rate / input rate</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="comment"> * Provide a hint to the buffer allocator and scheduler.</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"> * The default relative_rate is 1.0</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> <span class="comment"> * decimators have relative_rates < 1.0</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"> * interpolators have relative_rates > 1.0</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordtype">void</span> set_relative_rate (<span class="keywordtype">double</span> relative_rate);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment"></span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment"> * \brief return the approximate output rate / input rate</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="code" href="classgr__block.html#aa9df8c4d3fb92bde98900831546f8b97"> 212</a></span>  <span class="keywordtype">double</span> <a class="code" href="classgr__block.html#aa9df8c4d3fb92bde98900831546f8b97" title="return the approximate output rate / input rate">relative_rate</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_relative_rate; }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="comment"> * The following two methods provide special case info to the</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="comment"> * scheduler in the event that a block has a fixed input to output</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="comment"> * ratio. gr_sync_block, gr_sync_decimator and gr_sync_interpolator</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="comment"> * override these. If you're fixed rate, subclass one of those.</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="comment"> */</span><span class="comment"></span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"> * \brief Given ninput samples, return number of output samples that will be produced.</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment"> * N.B. this is only defined if fixed_rate returns true.</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment"> * Generally speaking, you don't need to override this.</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> fixed_rate_ninput_to_noutput(<span class="keywordtype">int</span> ninput);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment"></span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"> * \brief Given noutput samples, return number of input samples required to produce noutput.</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment"> * N.B. this is only defined if fixed_rate returns true.</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> <span class="comment"> * Generally speaking, you don't need to override this.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> fixed_rate_noutput_to_ninput(<span class="keywordtype">int</span> noutput);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="comment"></span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="comment"> * \brief Return the number of items read on input stream which_input</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> nitems_read(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input);</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment"></span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment"> * \brief Return the number of items written on output stream which_output</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> nitems_written(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_output);</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment"></span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment"> * \brief Asks for the policy used by the scheduler to moved tags downstream.</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  tag_propagation_policy_t tag_propagation_policy();</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="comment"></span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="comment"> * \brief Set the policy by the scheduler to determine how tags are moved downstream.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordtype">void</span> set_tag_propagation_policy(tag_propagation_policy_t p);</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="comment"></span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment"> * \brief Return the minimum number of output items this block can</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment"> * produce during a call to work.</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * Should be 0 for most blocks. Useful if we're dealing with packets and</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment"> * the block produces one packet per call to work.</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"><a class="code" href="classgr__block.html#a7c438330a14d46524f74f215a2f75ddc"> 261</a></span>  <span class="keywordtype">int</span> <a class="code" href="classgr__block.html#a7c438330a14d46524f74f215a2f75ddc" title="Return the minimum number of output items this block can produce during a call to work...">min_noutput_items</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_min_noutput_items; }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"></span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"> * \brief Set the minimum number of output items this block can</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="comment"> * produce during a call to work.</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment"> * \param m the minimum noutput_items this block can produce.</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"><a class="code" href="classgr__block.html#aa3c6b9cff162ad336a5e16ef1eedb31e"> 269</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#aa3c6b9cff162ad336a5e16ef1eedb31e" title="Set the minimum number of output items this block can produce during a call to work.">set_min_noutput_items</a>(<span class="keywordtype">int</span> m) { d_min_noutput_items = m; }</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"></span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="comment"> * \brief Return the maximum number of output items this block will</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span> <span class="comment"> * handle during a call to work.</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordtype">int</span> max_noutput_items();</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> <span class="comment"></span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment"> * \brief Set the maximum number of output items this block will</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment"> * handle during a call to work.</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment"> * \param m the maximum noutput_items this block will handle.</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordtype">void</span> set_max_noutput_items(<span class="keywordtype">int</span> m);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment"></span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment"> * \brief Clear the switch for using the max_noutput_items value of this block.</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="comment"> * When is_set_max_noutput_items() returns 'true', the scheduler</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> <span class="comment"> * will use the value returned by max_noutput_items() to limit the</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="comment"> * size of the number of items possible for this block's work</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="comment"> * function. If is_set_max_notput_items() returns 'false', then the</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="comment"> * scheduler ignores the internal value and uses the value set</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="comment"> * globally in the top_block.</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="comment"> * Use this value to clear the 'is_set' flag so the scheduler will</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="comment"> * ignore this. Use the set_max_noutput_items(m) call to both set a</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="comment"> * new value for max_noutput_items and to reenable its use in the</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="comment"> * scheduler.</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keywordtype">void</span> unset_max_noutput_items();</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment"></span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment"> * \brief Ask the block if the flag is or is not set to use the</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment"> * internal value of max_noutput_items during a call to work.</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="keywordtype">bool</span> is_set_max_noutput_items();</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> </div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"> * Used to expand the vectors that hold the min/max buffer sizes.</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * Specifically, when -1 is used, the vectors are just initialized</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> * with 1 value; this is used by the flat_flowgraph to expand when</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="comment"> * required to add a new value for new ports on these blocks.</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"><a class="code" href="classgr__block.html#a79cb58b56433d5df1a0078d061cfc95b"> 315</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a79cb58b56433d5df1a0078d061cfc95b">expand_minmax_buffer</a>(<span class="keywordtype">int</span> port) {</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span>((<span class="keywordtype">size_t</span>)port >= d_max_output_buffer.size())</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  set_max_output_buffer(port, -1);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span>((<span class="keywordtype">size_t</span>)port >= d_min_output_buffer.size())</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  set_min_output_buffer(port, -1);</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  }</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="comment"></span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"> * \brief Returns max buffer size on output port \p i.</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"><a class="code" href="classgr__block.html#af3be17fe2cd49ebdbc117a2949d176a1"> 325</a></span>  <span class="keywordtype">long</span> <a class="code" href="classgr__block.html#af3be17fe2cd49ebdbc117a2949d176a1" title="Returns max buffer size on output port i.">max_output_buffer</a>(<span class="keywordtype">size_t</span> i) {</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span>(i >= d_max_output_buffer.size())</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"gr_basic_block::max_output_buffer: port out of range."</span>);</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">return</span> d_max_output_buffer[i];</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  }</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment"></span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment"> * \brief Sets max buffer size on all output ports.</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"><a class="code" href="classgr__block.html#a1559d65eb8178992a4b57900f63336f8"> 334</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a1559d65eb8178992a4b57900f63336f8" title="Sets max buffer size on all output ports.">set_max_output_buffer</a>(<span class="keywordtype">long</span> max_output_buffer) { </div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i = 0; i < <a class="code" href="classgr__basic__block.html#add68b96f012dfe352700b4fd1c3a184a">output_signature</a>()->max_streams(); i++) {</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  set_max_output_buffer(i, max_output_buffer);</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  }</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="comment"></span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span> <span class="comment"> * \brief Sets max buffer size on output port \p port.</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"><a class="code" href="classgr__block.html#a968fa2d7acf3331072368ca3697ae182"> 343</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a968fa2d7acf3331072368ca3697ae182" title="Sets max buffer size on output port port.">set_max_output_buffer</a>(<span class="keywordtype">int</span> port, <span class="keywordtype">long</span> max_output_buffer) {</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span>((<span class="keywordtype">size_t</span>)port >= d_max_output_buffer.size())</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  d_max_output_buffer.push_back(max_output_buffer);</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  d_max_output_buffer[port] = max_output_buffer; </div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  }</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment"></span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment"> * \brief Returns min buffer size on output port \p i.</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"><a class="code" href="classgr__block.html#af0b80618bbd7d442da839a8010061a28"> 353</a></span>  <span class="keywordtype">long</span> <a class="code" href="classgr__block.html#af0b80618bbd7d442da839a8010061a28" title="Returns min buffer size on output port i.">min_output_buffer</a>(<span class="keywordtype">size_t</span> i) {</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">if</span>(i >= d_min_output_buffer.size())</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">throw</span> std::invalid_argument(<span class="stringliteral">"gr_basic_block::min_output_buffer: port out of range."</span>);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keywordflow">return</span> d_min_output_buffer[i];</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"></span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="comment"> * \brief Sets min buffer size on all output ports.</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"><a class="code" href="classgr__block.html#a59244e169308eced9608e77b0bb3abc5"> 362</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a59244e169308eced9608e77b0bb3abc5" title="Sets min buffer size on all output ports.">set_min_output_buffer</a>(<span class="keywordtype">long</span> min_output_buffer) {</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">for</span>(<span class="keywordtype">int</span> i=0; i<<a class="code" href="classgr__basic__block.html#add68b96f012dfe352700b4fd1c3a184a">output_signature</a>()->max_streams(); i++) {</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  set_min_output_buffer(i, min_output_buffer);</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  }</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  }</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment"></span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment"> * \brief Sets min buffer size on output port \p port.</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"><a class="code" href="classgr__block.html#abe37c01c3e51e5ebb54da57531f2006d"> 371</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#abe37c01c3e51e5ebb54da57531f2006d" title="Sets min buffer size on output port port.">set_min_output_buffer</a>(<span class="keywordtype">int</span> port, <span class="keywordtype">long</span> min_output_buffer) {</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">if</span>((<span class="keywordtype">size_t</span>)port >= d_min_output_buffer.size())</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  d_min_output_buffer.push_back(min_output_buffer);</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  d_min_output_buffer[port] = min_output_buffer; </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  }</div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> </div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="comment">// --------------- Performance counter functions -------------</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment"></span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment"> * \brief Gets average noutput_items performance counter.</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keywordtype">float</span> pc_noutput_items();</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment"></span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment"> * \brief Gets variance of noutput_items performance counter.</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordtype">float</span> pc_noutput_items_var();</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span> <span class="comment"></span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> <span class="comment"> * \brief Gets average num items produced performance counter.</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keywordtype">float</span> pc_nproduced();</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment"></span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment"> * \brief Gets variance of num items produced performance counter.</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordtype">float</span> pc_nproduced_var();</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment"></span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment"> * \brief Gets average fullness of \p which input buffer.</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="keywordtype">float</span> pc_input_buffers_full(<span class="keywordtype">int</span> which);</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment"></span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment"> * \brief Gets variance of fullness of \p which input buffer.</span></div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordtype">float</span> pc_input_buffers_full_var(<span class="keywordtype">int</span> which);</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment"></span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment"> * \brief Gets average fullness of all input buffers.</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  std::vector<float> pc_input_buffers_full();</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"></span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="comment"> * \brief Gets variance of fullness of all input buffers.</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  std::vector<float> pc_input_buffers_full_var();</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span> <span class="comment"></span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="comment"> * \brief Gets average fullness of \p which input buffer.</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">float</span> pc_output_buffers_full(<span class="keywordtype">int</span> which);</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span> <span class="comment"></span></div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span> <span class="comment"> * \brief Gets variance of fullness of \p which input buffer.</span></div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordtype">float</span> pc_output_buffers_full_var(<span class="keywordtype">int</span> which);</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment"></span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment"> * \brief Gets average fullness of all output buffers.</span></div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  std::vector<float> pc_output_buffers_full();<span class="comment"></span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment"> * \brief Gets variance of fullness of all output buffers.</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  std::vector<float> pc_output_buffers_full_var();</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> <span class="comment"></span></div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="comment"> * \brief Gets average clock cycles spent in work.</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordtype">float</span> pc_work_time();</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"></span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span> <span class="comment"> * \brief Gets average clock cycles spent in work.</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="keywordtype">float</span> pc_work_time_var();</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"></span></div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment"> * \brief Resets the performance counters</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordtype">void</span> reset_perf_counters();</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> </div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> </div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="comment">// ----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="comment">// Functions to handle thread affinity</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"></span></div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span> <span class="comment"> * \brief Set the thread's affinity to processor core \p n.</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> * \param mask a vector of unsigned ints of the core numbers available to this block.</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordtype">void</span> set_processor_affinity(<span class="keyword">const</span> std::vector<unsigned int> &mask);</div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment"></span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="comment"> * \brief Remove processor affinity to a specific core.</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordtype">void</span> unset_processor_affinity();</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment"></span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment"> * \brief Get the current processor affinity.</span></div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00473"></a><span class="lineno"><a class="code" href="classgr__block.html#a93db55dab248c3aab43058ed2d57d89d"> 473</a></span>  std::vector<unsigned int> <a class="code" href="classgr__block.html#a93db55dab248c3aab43058ed2d57d89d" title="Get the current processor affinity.">processor_affinity</a>() { <span class="keywordflow">return</span> d_affinity; }</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span> </div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">// ----------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> </div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordtype">int</span> d_output_multiple;</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordtype">bool</span> d_output_multiple_set;</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordtype">int</span> d_unaligned;</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordtype">bool</span> d_is_unaligned;</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordtype">double</span> d_relative_rate; <span class="comment">// approx output_rate / input_rate</span></div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <a class="code" href="classboost_1_1shared__ptr.html">gr_block_detail_sptr</a> d_detail; <span class="comment">// implementation details</span></div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="keywordtype">unsigned</span> d_history;</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordtype">bool</span> d_fixed_rate;</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordtype">bool</span> d_max_noutput_items_set; <span class="comment">// if d_max_noutput_items is valid</span></div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="keywordtype">int</span> d_max_noutput_items; <span class="comment">// value of max_noutput_items for this block</span></div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordtype">int</span> d_min_noutput_items;</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  tag_propagation_policy_t d_tag_propagation_policy; <span class="comment">// policy for moving tags downstream</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  std::vector<unsigned int> d_affinity; <span class="comment">// thread affinity proc. mask</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> </div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00494"></a><span class="lineno"><a class="code" href="classgr__block.html#ac94442f2da43c516ce4b8d3eb15fc316"> 494</a></span>  <a class="code" href="classgr__block.html#ac94442f2da43c516ce4b8d3eb15fc316">gr_block</a> (<span class="keywordtype">void</span>){} <span class="comment">//allows pure virtual interface sub-classes</span></div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <a class="code" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...">gr_block</a> (<span class="keyword">const</span> std::string &name,</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <a class="code" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> input_signature,</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <a class="code" href="classboost_1_1shared__ptr.html">gr_io_signature_sptr</a> output_signature);</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> </div>
<div class="line"><a name="l00499"></a><span class="lineno"><a class="code" href="classgr__block.html#a176a95343488a9a760c8edf8bb08db20"> 499</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a176a95343488a9a760c8edf8bb08db20">set_fixed_rate</a>(<span class="keywordtype">bool</span> fixed_rate){ d_fixed_rate = fixed_rate; }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> </div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span> <span class="comment"></span></div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span> <span class="comment"> * \brief Adds a new tag onto the given output buffer.</span></div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span> <span class="comment"> * \param which_output an integer of which output stream to attach the tag</span></div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="comment"> * \param abs_offset a uint64 number of the absolute item number</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span> <span class="comment"> * assicated with the tag. Can get from nitems_written.</span></div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="comment"> * \param key the tag key as a PMT symbol</span></div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="comment"> * \param value any PMT holding any value for the given key</span></div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment"> * \param srcid optional source ID specifier; defaults to PMT_F</span></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00512"></a><span class="lineno"><a class="code" href="classgr__block.html#a7578dece9d597abe61db91aae8a0df83"> 512</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> add_item_tag(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_output,</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_offset,</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &key,</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &value,</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &srcid=<a class="code" href="namespacepmt.html#a92bfd358b0758d5edf5a0fac84ab806f">pmt::PMT_F</a>)</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  {</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <a class="code" href="structgr__tag__t.html">gr_tag_t</a> tag;</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  tag.<a class="code" href="structgr__tag__t.html#ab5e07bdef27ed3897075432504885397" title="the item tag occurred at (as a uint64_t)">offset</a> = abs_offset;</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  tag.<a class="code" href="structgr__tag__t.html#ad5b16348ee493951e735e3b22bf6195b" title="the key of tag (as a PMT symbol)">key</a> = key;</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  tag.<a class="code" href="structgr__tag__t.html#a4e151f32d9e9ff247749626adec97996" title="the value of tag (as a PMT)">value</a> = value;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  tag.<a class="code" href="structgr__tag__t.html#a9ad2c66ebe4accf46fea3fb0190ff526" title="the source ID of tag (as a PMT)">srcid</a> = srcid;</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  this->add_item_tag(which_output, tag);</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  }</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"></span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="comment"> * \brief Adds a new tag onto the given output buffer.</span></div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment"> * \param which_output an integer of which output stream to attach the tag</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment"> * \param tag the tag object to add</span></div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="keywordtype">void</span> add_item_tag(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_output, <span class="keyword">const</span> <a class="code" href="structgr__tag__t.html">gr_tag_t</a> &tag);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment"></span></div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="comment"> * \brief Removes a tag from the given input buffer.</span></div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="comment"> * \param which_input an integer of which input stream to remove the tag from</span></div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span> <span class="comment"> * \param abs_offset a uint64 number of the absolute item number</span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span> <span class="comment"> * assicated with the tag. Can get from nitems_written.</span></div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="comment"> * \param key the tag key as a PMT symbol</span></div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span> <span class="comment"> * \param value any PMT holding any value for the given key</span></div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="comment"> * \param srcid optional source ID specifier; defaults to PMT_F</span></div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="comment"> * If no such tag is found, does nothing.</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00546"></a><span class="lineno"><a class="code" href="classgr__block.html#a44cd23e643d17717a0e872dc3a5e3c51"> 546</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> remove_item_tag(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input,</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_offset,</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &key,</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &value,</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &srcid=<a class="code" href="namespacepmt.html#a92bfd358b0758d5edf5a0fac84ab806f">pmt::PMT_F</a>)</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  {</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <a class="code" href="structgr__tag__t.html">gr_tag_t</a> tag;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  tag.<a class="code" href="structgr__tag__t.html#ab5e07bdef27ed3897075432504885397" title="the item tag occurred at (as a uint64_t)">offset</a> = abs_offset;</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  tag.<a class="code" href="structgr__tag__t.html#ad5b16348ee493951e735e3b22bf6195b" title="the key of tag (as a PMT symbol)">key</a> = key;</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  tag.<a class="code" href="structgr__tag__t.html#a4e151f32d9e9ff247749626adec97996" title="the value of tag (as a PMT)">value</a> = value;</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  tag.<a class="code" href="structgr__tag__t.html#a9ad2c66ebe4accf46fea3fb0190ff526" title="the source ID of tag (as a PMT)">srcid</a> = srcid;</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  this->remove_item_tag(which_input, tag);</div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  }</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="comment"></span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span> <span class="comment"> * \brief Removes a tag from the given input buffer.</span></div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span> <span class="comment"> * If no such tag is found, does nothing.</span></div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="comment"> * \param which_input an integer of which input stream to remove the tag from</span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="comment"> * \param tag the tag object to remove</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  <span class="keywordtype">void</span> remove_item_tag(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input, <span class="keyword">const</span> <a class="code" href="structgr__tag__t.html">gr_tag_t</a> &tag);</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span> <span class="comment"></span></div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="comment"> * \brief Given a [start,end), returns a vector of all tags in the range.</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span> <span class="comment"> * Range of counts is from start to end-1.</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> <span class="comment"> * Tags are tuples of:</span></div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span> <span class="comment"> * (item count, source id, key, value)</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span> <span class="comment"> * \param v a vector reference to return tags into</span></div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="comment"> * \param which_input an integer of which input stream to pull from</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="comment"> * \param abs_start a uint64 count of the start of the range of interest</span></div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> <span class="comment"> * \param abs_end a uint64 count of the end of the range of interest</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordtype">void</span> get_tags_in_range(std::vector<gr_tag_t> &v,</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input,</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_start,</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_end);</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="comment"></span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span> <span class="comment"> /*!</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span> <span class="comment"> * \brief Given a [start,end), returns a vector of all tags in the range</span></div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span> <span class="comment"> * with a given key.</span></div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span> <span class="comment"> * Range of counts is from start to end-1.</span></div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span> <span class="comment"> * Tags are tuples of:</span></div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span> <span class="comment"> * (item count, source id, key, value)</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span> <span class="comment"> * \param v a vector reference to return tags into</span></div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span> <span class="comment"> * \param which_input an integer of which input stream to pull from</span></div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span> <span class="comment"> * \param abs_start a uint64 count of the start of the range of interest</span></div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span> <span class="comment"> * \param abs_end a uint64 count of the end of the range of interest</span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span> <span class="comment"> * \param key a PMT symbol key to filter only tags of this key</span></div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <span class="keywordtype">void</span> get_tags_in_range(std::vector<gr_tag_t> &v,</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> which_input,</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_start,</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <a class="code" href="stdint_8h.html#aec6fcb673ff035718c238c8c9d544c47">uint64_t</a> abs_end,</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <span class="keyword">const</span> <a class="code" href="namespacepmt.html#ab4b70d9293452eb74dd07c670e6811fa" title="typedef for shared pointer (transparent reference counting). See http://www.boost.org/libs/smart_ptr/smart_ptr.htm">pmt::pmt_t</a> &key);</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> </div>
<div class="line"><a name="l00609"></a><span class="lineno"><a class="code" href="classgr__block.html#ab467fa14adf6b63148588ffbbe266d82"> 609</a></span>  std::vector<long> <a class="code" href="classgr__block.html#ab467fa14adf6b63148588ffbbe266d82">d_max_output_buffer</a>;</div>
<div class="line"><a name="l00610"></a><span class="lineno"><a class="code" href="classgr__block.html#a9c331f7d38508c9955ef01f483c573d6"> 610</a></span>  std::vector<long> <a class="code" href="classgr__block.html#a9c331f7d38508c9955ef01f483c573d6">d_min_output_buffer</a>;</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span> <span class="comment"></span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span> <span class="comment"> /*! Used by block's setters and work functions to make</span></div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span> <span class="comment"> * setting/resetting of parameters thread-safe.</span></div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span> <span class="comment"> * Used by calling gruel::scoped_lock l(d_setlock);</span></div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="comment"> */</span> </div>
<div class="line"><a name="l00617"></a><span class="lineno"><a class="code" href="classgr__block.html#ace960ec997da0fff8fc44168983b1a55"> 617</a></span>  <a class="code" href="namespacegruel.html#a16a913898c1d7f7a8ee459eb7ace413d">gruel::mutex</a> <a class="code" href="classgr__block.html#ace960ec997da0fff8fc44168983b1a55">d_setlock</a>;</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span> </div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="comment">// These are really only for internal use, but leaving them public avoids</span></div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <span class="comment">// having to work up an ever-varying list of friend GR_CORE_APIs</span></div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span> </div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00623"></a><span class="lineno"><a class="code" href="classgr__block.html#afb276858409ac55d62fca1c87d7d4083"> 623</a></span>  <a class="code" href="classboost_1_1shared__ptr.html">gr_block_detail_sptr</a> <a class="code" href="classgr__block.html#afb276858409ac55d62fca1c87d7d4083">detail</a> ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> d_detail; }</div>
<div class="line"><a name="l00624"></a><span class="lineno"><a class="code" href="classgr__block.html#a26b61f2c2ca308c3bde82f01d3e9650b"> 624</a></span>  <span class="keywordtype">void</span> <a class="code" href="classgr__block.html#a26b61f2c2ca308c3bde82f01d3e9650b">set_detail</a> (<a class="code" href="classboost_1_1shared__ptr.html">gr_block_detail_sptr</a> detail) { d_detail = detail; }</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span> };</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span> </div>
<div class="line"><a name="l00627"></a><span class="lineno"><a class="code" href="gr__block_8h.html#abbe9231777a14816d919bc9c087c5539"> 627</a></span> <span class="keyword">typedef</span> std::vector<gr_block_sptr> <a class="code" href="gr__block_8h.html#abbe9231777a14816d919bc9c087c5539">gr_block_vector_t</a>;</div>
<div class="line"><a name="l00628"></a><span class="lineno"><a class="code" href="gr__block_8h.html#a95fa0f96bae254b44c0e2bfa06ab79dc"> 628</a></span> <span class="keyword">typedef</span> std::vector<gr_block_sptr>::iterator <a class="code" href="gr__block_8h.html#a95fa0f96bae254b44c0e2bfa06ab79dc">gr_block_viter_t</a>;</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span> </div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span> <span class="keyword">inline</span> <a class="code" href="classboost_1_1shared__ptr.html">gr_block_sptr</a> cast_to_block_sptr(<a class="code" href="classboost_1_1shared__ptr.html" title="shared_ptr documentation stub">gr_basic_block_sptr</a> p)</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> {</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">return</span> boost::dynamic_pointer_cast<<a class="code" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...">gr_block</a>, <a class="code" href="classgr__basic__block.html" title="The abstract base class for all signal processing blocks.Basic blocks are the bare abstraction of an ...">gr_basic_block</a>>(p);</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span> }</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span> </div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span> </div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span> std::ostream&</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span> <a class="code" href="gr__basic__block_8h.html#acb2f610728a7f3cbd51a9a2eb60f059e">operator << </a>(std::ostream& os, <span class="keyword">const</span> <a class="code" href="classgr__block.html" title="The abstract base class for all 'terminal' processing blocks.A signal processing flow is constructed ...">gr_block</a> *m);</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span> </div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span> <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_BLOCK_H */</span><span class="preprocessor"></span></div>
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