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<div id="projectname">libsdr
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 <span id="projectnumber">0.1.0</span>
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<div id="projectbrief">A simple SDR library</div>
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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li> </ul>
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<div class="title">demod.hh</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef __SDR_DEMOD_HH__</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define __SDR_DEMOD_HH__</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> </div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "node.hh"</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "traits.hh"</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "config.hh"</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "combine.hh"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "logger.hh"</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "math.hh"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="keyword">namespace </span><a class="code" href="namespacesdr.html">sdr</a> {</div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">template</span> <<span class="keyword">class</span> Scalar></div>
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<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="classsdr_1_1_a_m_demod.html"> 18</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_a_m_demod.html">AMDemod</a></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  : <span class="keyword">public</span> <a class="code" href="classsdr_1_1_sink.html">Sink</a>< std::complex<Scalar> >, <span class="keyword">public</span> <a class="code" href="classsdr_1_1_source.html">Source</a></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="classsdr_1_1_a_m_demod.html#ab09fa003c654b85df3373d1a8c85036a"> 23</a></span>  <a class="code" href="classsdr_1_1_a_m_demod.html#ab09fa003c654b85df3373d1a8c85036a">AMDemod</a>() : <a class="code" href="classsdr_1_1_sink.html">Sink</a>< <a class="code" href="namespacestd.html">std</a>::complex<Scalar> >(), <a class="code" href="classsdr_1_1_source.html">Source</a>()</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  {</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// pass...</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  }</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
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<div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="classsdr_1_1_a_m_demod.html#af982f1d938899435e391b41d994242d9"> 29</a></span>  <span class="keyword">virtual</span> <a class="code" href="classsdr_1_1_a_m_demod.html#af982f1d938899435e391b41d994242d9">~AMDemod</a>() {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="comment">// free buffers</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="classsdr_1_1_a_m_demod.html#ae7a8db03a6982ae33c4786ab3b82a6cc"> 35</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_a_m_demod.html#ae7a8db03a6982ae33c4786ab3b82a6cc">config</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_config.html">Config</a> &src_cfg) {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="comment">// Requires type & buffer size</span></div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordflow">if</span> (!src_cfg.<a class="code" href="classsdr_1_1_config.html#a7cdfc69aa8e3ab975db7251747343a20">hasType</a>() || !src_cfg.<a class="code" href="classsdr_1_1_config.html#a485e488e1411e52c722b22d1807be406">hasBufferSize</a>()) { <span class="keywordflow">return</span>; }</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="comment">// Check if buffer type matches template</span></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">if</span> (<a class="code" href="classsdr_1_1_config.html#a71df9feb586e1d33241dec5d6a5beae4">Config::typeId</a>< std::complex<Scalar> >() != src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()) {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="classsdr_1_1_config_error.html">ConfigError</a> err;</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  err << <span class="stringliteral">"Can not configure AMDemod: Invalid type "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  << <span class="stringliteral">", expected "</span> << Config::typeId< std::complex<Scalar> >();</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordflow">throw</span> err;</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  }</div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="comment">// Unreference previous buffer</span></div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <a class="code" href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="comment">// Allocate buffer</span></div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e">_buffer</a> = <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a>(src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>());</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <a class="code" href="classsdr_1_1_log_message.html">LogMessage</a> msg(LOG_DEBUG);</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  msg << <span class="stringliteral">"Configure AMDemod: "</span> << <span class="keyword">this</span> << std::endl</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  << <span class="stringliteral">" input type: "</span> << <a class="code" href="classsdr_1_1_traits.html">Traits< std::complex<Scalar></a> >::scalarId << std::endl</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  << <span class="stringliteral">" output type: "</span> << <a class="code" href="classsdr_1_1_traits.html">Traits<Scalar>::scalarId</a> << std::endl</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  << <span class="stringliteral">" sample rate: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>() << std::endl</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  << <span class="stringliteral">" buffer size: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>();</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="classsdr_1_1_logger.html#a9b12ce53593be134b7d7dea62607d22d">Logger::get</a>().<a class="code" href="classsdr_1_1_logger.html#ab887e598a2c4dc1a3a3f1027d91e0e58">log</a>(msg);</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="comment">// Propergate config</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  this-><a class="code" href="classsdr_1_1_source.html#afd4c7e3fb94a057ac40e9877167791ec">setConfig</a>(<a class="code" href="classsdr_1_1_config.html">Config</a>(Config::typeId<Scalar>(), src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>(),</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>(), src_cfg.<a class="code" href="classsdr_1_1_config.html#a023ef493d310cfc8a304c2443c69fc51">numBuffers</a>()));</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="classsdr_1_1_a_m_demod.html#a392ffdcfb0d482c9b502058e3465cdb5"> 65</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_a_m_demod.html#a392ffdcfb0d482c9b502058e3465cdb5">process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer</a><std::complex<Scalar> > &buffer, <span class="keywordtype">bool</span> allow_overwrite)</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  {</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> out_buffer;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="comment">// If source allow to overwrite the buffer, use it otherwise rely on own buffer</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordflow">if</span> (allow_overwrite) { out_buffer = <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a>(buffer); }</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">else</span> { out_buffer = <a class="code" href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e">_buffer</a>; }</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="comment">// Perform demodulation</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<buffer.size(); i++) {</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  out_buffer[i] = std::sqrt(buffer[i].real()*buffer[i].real() +</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  buffer[i].imag()*buffer[i].imag());</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// If the source allowed to overwrite the buffer, this source will allow it too.</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="comment">// If this source used the internal buffer (_buffer), it allows to overwrite it anyway.</span></div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(out_buffer.<a class="code" href="classsdr_1_1_buffer.html#a3eca322ed118a7b5c4cc62b25ce5d119">head</a>(buffer.size()), <span class="keyword">true</span>);</div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e"> 85</a></span>  <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> <a class="code" href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e">_buffer</a>;</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> };</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">template</span> <<span class="keyword">class</span> Scalar></div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html"> 92</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_u_s_b_demod.html">USBDemod</a></div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  : <span class="keyword">public</span> <a class="code" href="classsdr_1_1_sink.html">Sink</a>< std::complex<Scalar> >, <span class="keyword">public</span> <a class="code" href="classsdr_1_1_source.html">Source</a></div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#a57224082b72708511815a025a1f602b8"> 97</a></span>  <span class="keyword">typedef</span> std::complex<Scalar> <a class="code" href="classsdr_1_1_u_s_b_demod.html#a57224082b72708511815a025a1f602b8">CScalar</a>;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#a2674638bcd3acfbda9d64a45fa6ba0cf"> 99</a></span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classsdr_1_1_traits.html">Traits<Scalar>::SScalar</a> <a class="code" href="classsdr_1_1_u_s_b_demod.html#a2674638bcd3acfbda9d64a45fa6ba0cf">SScalar</a>;</div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#a96e98fa8436abbbd48aa146177ccd173"> 103</a></span>  <a class="code" href="classsdr_1_1_u_s_b_demod.html#a96e98fa8436abbbd48aa146177ccd173">USBDemod</a>() : <a class="code" href="classsdr_1_1_sink.html">Sink</a><CScalar>(), <a class="code" href="classsdr_1_1_source.html">Source</a>()</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="comment">// pass...</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#a3c8909c8c2072120a98f1c7e5799c4e1"> 109</a></span>  <span class="keyword">virtual</span> <a class="code" href="classsdr_1_1_u_s_b_demod.html#a3c8909c8c2072120a98f1c7e5799c4e1">~USBDemod</a>() {</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
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<div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#af337424855632186cbfe8d241845e7e1"> 114</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_u_s_b_demod.html#af337424855632186cbfe8d241845e7e1">config</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_config.html">Config</a> &src_cfg) {</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">// Requires type & buffer size</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (!src_cfg.<a class="code" href="classsdr_1_1_config.html#a7cdfc69aa8e3ab975db7251747343a20">hasType</a>() || !src_cfg.<a class="code" href="classsdr_1_1_config.html#a485e488e1411e52c722b22d1807be406">hasBufferSize</a>()) { <span class="keywordflow">return</span>; }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">// Check if buffer type matches template</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keywordflow">if</span> (Config::typeId<CScalar>() != src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()) {</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="classsdr_1_1_config_error.html">ConfigError</a> err;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  err << <span class="stringliteral">"Can not configure USBDemod: Invalid type "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  << <span class="stringliteral">", expected "</span> << Config::typeId<CScalar>();</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">throw</span> err;</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  }</div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// Unreference previous buffer</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="comment">// Allocate buffer</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80">_buffer</a> = <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a>(src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>());</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="classsdr_1_1_log_message.html">LogMessage</a> msg(LOG_DEBUG);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  msg << <span class="stringliteral">"Configure USBDemod: "</span> << <span class="keyword">this</span> << std::endl</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  << <span class="stringliteral">" input type: "</span> << <a class="code" href="classsdr_1_1_traits.html">Traits< std::complex<Scalar></a> >::scalarId << std::endl</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  << <span class="stringliteral">" output type: "</span> << <a class="code" href="classsdr_1_1_traits.html">Traits<Scalar>::scalarId</a> << std::endl</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  << <span class="stringliteral">" sample rate: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>() << std::endl</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  << <span class="stringliteral">" buffer size: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>();</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="classsdr_1_1_logger.html#a9b12ce53593be134b7d7dea62607d22d">Logger::get</a>().<a class="code" href="classsdr_1_1_logger.html#ab887e598a2c4dc1a3a3f1027d91e0e58">log</a>(msg);</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">// Propergate config</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  this-><a class="code" href="classsdr_1_1_source.html#afd4c7e3fb94a057ac40e9877167791ec">setConfig</a>(<a class="code" href="classsdr_1_1_config.html">Config</a>(Config::typeId<Scalar>(), src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>(),</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>(), 1));</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
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<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#a136f465b83b4567091797c2d0a28f79f"> 144</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_u_s_b_demod.html#a136f465b83b4567091797c2d0a28f79f">process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer<CScalar></a> &buffer, <span class="keywordtype">bool</span> allow_overwrite) {</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">if</span> (allow_overwrite) {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Process in-place</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <a class="code" href="classsdr_1_1_u_s_b_demod.html#aa12358f20001ef1691670e5802bc829c">_process</a>(buffer, <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a>(buffer));</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">// Store result in buffer</span></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="classsdr_1_1_u_s_b_demod.html#aa12358f20001ef1691670e5802bc829c">_process</a>(buffer, <a class="code" href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80">_buffer</a>);</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  }</div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#aa12358f20001ef1691670e5802bc829c"> 156</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_u_s_b_demod.html#aa12358f20001ef1691670e5802bc829c">_process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex<Scalar> > &in, <span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer< Scalar></a> &out) {</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<in.size(); i++) {</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  out[i] = (<a class="code" href="classsdr_1_1_u_s_b_demod.html#a2674638bcd3acfbda9d64a45fa6ba0cf">SScalar</a>(std::real(in[i])) + <a class="code" href="classsdr_1_1_u_s_b_demod.html#a2674638bcd3acfbda9d64a45fa6ba0cf">SScalar</a>(std::imag(in[i])))/2;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  }</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(out.<a class="code" href="classsdr_1_1_buffer.html#a3eca322ed118a7b5c4cc62b25ce5d119">head</a>(in.size()));</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00165"></a><span class="lineno"><a class="line" href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80"> 165</a></span>  <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> <a class="code" href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80">_buffer</a>;</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> };</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keyword">template</span> <<span class="keyword">class</span> iScalar, <span class="keyword">class</span> oScalar=iScalar></div>
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<div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html"> 175</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_f_m_demod.html">FMDemod</a>: <span class="keyword">public</span> <a class="code" href="classsdr_1_1_sink.html">Sink</a>< std::complex<iScalar> >, <span class="keyword">public</span> <a class="code" href="classsdr_1_1_source.html">Source</a></div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> {</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126"> 179</a></span>  <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="classsdr_1_1_traits.html">Traits<iScalar>::SScalar</a> <a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>;</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a1d05cb544f56c4b4925c5d9dc6ab4d27"> 183</a></span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a1d05cb544f56c4b4925c5d9dc6ab4d27">FMDemod</a>():</div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="classsdr_1_1_sink.html">Sink</a>< <a class="code" href="namespacestd.html">std</a>::complex<iScalar> >(), <a class="code" href="classsdr_1_1_source.html">Source</a>(), <a class="code" href="classsdr_1_1_f_m_demod.html#a82781f8d9631106089841545c9796f8c">_shift</a>(0), <a class="code" href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29">_can_overwrite</a>(false)</div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {</div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a82781f8d9631106089841545c9796f8c">_shift</a> = 8*(<span class="keyword">sizeof</span>(oScalar)-<span class="keyword">sizeof</span>(iScalar));</div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  }</div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div>
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<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#ad30001feb9c7e161d486e2481274319d"> 190</a></span>  <span class="keyword">virtual</span> <a class="code" href="classsdr_1_1_f_m_demod.html#ad30001feb9c7e161d486e2481274319d">~FMDemod</a>() {</div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
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<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a8f3008f786982883d9a1b2284a8b0a57"> 195</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_demod.html#a8f3008f786982883d9a1b2284a8b0a57">config</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_config.html">Config</a> &src_cfg) {</div>
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<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="comment">// Requires type & buffer size</span></div>
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<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (!src_cfg.<a class="code" href="classsdr_1_1_config.html#a7cdfc69aa8e3ab975db7251747343a20">hasType</a>() || !src_cfg.<a class="code" href="classsdr_1_1_config.html#a485e488e1411e52c722b22d1807be406">hasBufferSize</a>()) { <span class="keywordflow">return</span>; }</div>
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<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="comment">// Check if buffer type matches template</span></div>
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<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">if</span> (<a class="code" href="classsdr_1_1_config.html#a71df9feb586e1d33241dec5d6a5beae4">Config::typeId</a>< std::complex<iScalar> >() != src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()) {</div>
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<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <a class="code" href="classsdr_1_1_config_error.html">ConfigError</a> err;</div>
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<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  err << <span class="stringliteral">"Can not configure FMDemod: Invalid type "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()</div>
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<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  << <span class="stringliteral">", expected "</span> << Config::typeId< std::complex<iScalar> >();</div>
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<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordflow">throw</span> err;</div>
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<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// Unreference buffer if non-empty</span></div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (! <a class="code" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a944346de6bb972f687716bee921a3bad">isEmpty</a>()) { <a class="code" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>(); }</div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="comment">// Allocate buffer</span></div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">_buffer</a> = <a class="code" href="classsdr_1_1_buffer.html">Buffer<oScalar></a>(src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>());</div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="comment">// reset last value</span></div>
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<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a8678f4589d7c1d02e9690162b4227b65">_last_value</a> = 0;</div>
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<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Check if FM demod can be performed in-place</span></div>
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<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29">_can_overwrite</a> = (<span class="keyword">sizeof</span>(std::complex<iScalar>) >= <span class="keyword">sizeof</span>(oScalar));</div>
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<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
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<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <a class="code" href="classsdr_1_1_log_message.html">LogMessage</a> msg(LOG_DEBUG);</div>
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<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  msg << <span class="stringliteral">"Configured FMDemod node: "</span> << <span class="keyword">this</span> << std::endl</div>
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<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  << <span class="stringliteral">" sample-rate: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>() << std::endl</div>
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<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  << <span class="stringliteral">" in-type / out-type: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()</div>
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<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  << <span class="stringliteral">" / "</span> << Config::typeId<oScalar>() << std::endl</div>
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<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  << <span class="stringliteral">" in-place: "</span> << (<a class="code" href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29">_can_overwrite</a> ? <span class="stringliteral">"true"</span> : <span class="stringliteral">"false"</span>) << std::endl</div>
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<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  << <span class="stringliteral">" output scale: 2^"</span> << <a class="code" href="classsdr_1_1_f_m_demod.html#a82781f8d9631106089841545c9796f8c">_shift</a>;</div>
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<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="classsdr_1_1_logger.html#a9b12ce53593be134b7d7dea62607d22d">Logger::get</a>().<a class="code" href="classsdr_1_1_logger.html#ab887e598a2c4dc1a3a3f1027d91e0e58">log</a>(msg);</div>
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<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> </div>
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<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// Propergate config</span></div>
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<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  this-><a class="code" href="classsdr_1_1_source.html#afd4c7e3fb94a057ac40e9877167791ec">setConfig</a>(<a class="code" href="classsdr_1_1_config.html">Config</a>(Config::typeId<oScalar>(), src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>(),</div>
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<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>(), 1));</div>
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<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  }</div>
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<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> </div>
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<div class="line"><a name="l00229"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#ad8d9f4f6914b534f520c5d2615f4ae12"> 229</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_demod.html#ad8d9f4f6914b534f520c5d2615f4ae12">process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer</a><std::complex<iScalar> > &buffer, <span class="keywordtype">bool</span> allow_overwrite)</div>
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<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  {</div>
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<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="keywordflow">if</span> (0 == buffer.size()) { <span class="keywordflow">return</span>; }</div>
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<div class="line"><a name="l00232"></a><span class="lineno"> 232</span> </div>
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<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">if</span> (allow_overwrite && <a class="code" href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29">_can_overwrite</a>) {</div>
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<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a58b7f2935014a069665905662e7d15e3">_process</a>(buffer, <a class="code" href="classsdr_1_1_buffer.html">Buffer<oScalar></a>(buffer));</div>
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<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a58b7f2935014a069665905662e7d15e3">_process</a>(buffer, <a class="code" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">_buffer</a>);</div>
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<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  }</div>
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<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  }</div>
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<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div>
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<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00242"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a58b7f2935014a069665905662e7d15e3"> 242</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_demod.html#a58b7f2935014a069665905662e7d15e3">_process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer</a>< std::complex<iScalar> > &in, <span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer<oScalar></a> &out)</div>
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<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  {</div>
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<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="comment">// The last input value</span></div>
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<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  std::complex<iScalar> last_value = <a class="code" href="classsdr_1_1_f_m_demod.html#a8678f4589d7c1d02e9690162b4227b65">_last_value</a>;</div>
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<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">// calc first value</span></div>
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<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  SScalar a = (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[0].real())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.real()))/2</div>
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<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  + (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[0].imag())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.imag()))/2;</div>
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<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  SScalar b = (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[0].imag())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.real()))/2</div>
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<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  - (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[0].real())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.imag()))/2;</div>
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<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  a >>= <a class="code" href="classsdr_1_1_traits.html">Traits<iScalar>::shift</a>; b >>= <a class="code" href="classsdr_1_1_traits.html">Traits<iScalar>::shift</a>;</div>
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<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="comment">// update last value</span></div>
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<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  last_value = in[0];</div>
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<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">// calc output (prob. overwriting the last value)</span></div>
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<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  out[0] = fast_atan2<iScalar, oScalar>(a, b);</div>
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<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">//out[0] = (1<<12)*(std::atan2(float(a),float(b))/M_PI);</span></div>
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<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div>
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<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  <span class="comment">// Calc remaining values</span></div>
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<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=1; i<in.size(); i++) {</div>
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<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  a = (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[i].real())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.real()))/2</div>
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<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  + (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[i].imag())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.imag()))/2;</div>
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<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  b = (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[i].imag())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.real()))/2</div>
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<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  - (<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(in[i].real())*<a class="code" href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">SScalar</a>(last_value.imag()))/2;</div>
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<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  a >>= <a class="code" href="classsdr_1_1_traits.html">Traits<iScalar>::shift</a>; b >>= <a class="code" href="classsdr_1_1_traits.html">Traits<iScalar>::shift</a>;</div>
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<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  last_value = in[i];</div>
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<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  out[i] = fast_atan2<iScalar,oScalar>(a, b);</div>
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<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">//out[i] = (1<<12)*(std::atan2(float(a),float(b))/M_PI);</span></div>
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<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  }</div>
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<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> </div>
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<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// Store last value</span></div>
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<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="classsdr_1_1_f_m_demod.html#a8678f4589d7c1d02e9690162b4227b65">_last_value</a> = last_value;</div>
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<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// propergate result</span></div>
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<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(out.<a class="code" href="classsdr_1_1_buffer.html#a3eca322ed118a7b5c4cc62b25ce5d119">head</a>(in.size()));</div>
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<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  }</div>
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<div class="line"><a name="l00275"></a><span class="lineno"> 275</span> </div>
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<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> </div>
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<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a82781f8d9631106089841545c9796f8c"> 279</a></span>  <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_f_m_demod.html#a82781f8d9631106089841545c9796f8c">_shift</a>;</div>
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<div class="line"><a name="l00281"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a8678f4589d7c1d02e9690162b4227b65"> 281</a></span>  std::complex<iScalar> <a class="code" href="classsdr_1_1_f_m_demod.html#a8678f4589d7c1d02e9690162b4227b65">_last_value</a>;</div>
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<div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29"> 283</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29">_can_overwrite</a>;</div>
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<div class="line"><a name="l00285"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9"> 285</a></span>  <a class="code" href="classsdr_1_1_buffer.html">Buffer<oScalar></a> <a class="code" href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">_buffer</a>;</div>
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<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> };</div>
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<div class="line"><a name="l00287"></a><span class="lineno"> 287</span> </div>
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<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> </div>
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<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="keyword">template</span> <<span class="keyword">class</span> Scalar></div>
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<div class="line"><a name="l00292"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html"> 292</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_f_m_deemph.html">FMDeemph</a>: <span class="keyword">public</span> <a class="code" href="classsdr_1_1_sink.html">Sink</a><Scalar>, <span class="keyword">public</span> <a class="code" href="classsdr_1_1_source.html">Source</a></div>
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<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> {</div>
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<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00296"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#a3785af576bab59e8e21fddd5eff4d9b8"> 296</a></span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#a3785af576bab59e8e21fddd5eff4d9b8">FMDeemph</a>(<span class="keywordtype">bool</span> enabled=<span class="keyword">true</span>)</div>
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<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  : <a class="code" href="classsdr_1_1_sink.html">Sink</a><Scalar>(), <a class="code" href="classsdr_1_1_source.html">Source</a>(), <a class="code" href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501">_enabled</a>(enabled), <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a>(0), <a class="code" href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900">_avg</a>(0), <a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a>(0)</div>
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<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  {</div>
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<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="comment">// pass...</span></div>
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<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</div>
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<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> </div>
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<div class="line"><a name="l00303"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#ad66286f2e7e7ab20135444cdb0fa0d18"> 303</a></span>  <span class="keyword">virtual</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#ad66286f2e7e7ab20135444cdb0fa0d18">~FMDeemph</a>() {</div>
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<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  }</div>
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<div class="line"><a name="l00306"></a><span class="lineno"> 306</span> </div>
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<div class="line"><a name="l00308"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#a09465c706c213ac9d3c95617b8fde001"> 308</a></span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#a09465c706c213ac9d3c95617b8fde001">isEnabled</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501">_enabled</a>; }</div>
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<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> </div>
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<div class="line"><a name="l00311"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#ae2f205ad6e0cf6fde1652c6629900b6a"> 311</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#ae2f205ad6e0cf6fde1652c6629900b6a">enable</a>(<span class="keywordtype">bool</span> enabled) { <a class="code" href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501">_enabled</a> = enabled; }</div>
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<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> </div>
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<div class="line"><a name="l00314"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#a01f7e78791d641c3498344e712f86bea"> 314</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#a01f7e78791d641c3498344e712f86bea">config</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_config.html">Config</a> &src_cfg) {</div>
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<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">// Requires type, sample rate & buffer size</span></div>
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<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (!src_cfg.<a class="code" href="classsdr_1_1_config.html#a7cdfc69aa8e3ab975db7251747343a20">hasType</a>() || !src_cfg.<a class="code" href="classsdr_1_1_config.html#a5df3f75dcd6e678bd5f029a7400b404e">hasSampleRate</a>() || !src_cfg.<a class="code" href="classsdr_1_1_config.html#a485e488e1411e52c722b22d1807be406">hasBufferSize</a>()) { <span class="keywordflow">return</span>; }</div>
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<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="comment">// Check if buffer type matches template</span></div>
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<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (Config::typeId<Scalar>() != src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()) {</div>
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<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <a class="code" href="classsdr_1_1_config_error.html">ConfigError</a> err;</div>
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<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  err << <span class="stringliteral">"Can not configure FMDeemph: Invalid type "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>()</div>
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<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  << <span class="stringliteral">", expected "</span> << Config::typeId<Scalar>();</div>
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<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">throw</span> err;</div>
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<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
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<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="comment">// Determine filter constant alpha:</span></div>
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<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a> = (int)round(</div>
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<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  1.0/( (1.0-exp(-1.0/(src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>() * 75e-6) )) ) );</div>
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<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="comment">// Reset average:</span></div>
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<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900">_avg</a> = 0;</div>
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<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="comment">// Unreference previous buffer</span></div>
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<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">unref</a>();</div>
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<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="comment">// Allocate buffer:</span></div>
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<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a> = <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a>(src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>());</div>
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<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> </div>
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<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="classsdr_1_1_log_message.html">LogMessage</a> msg(LOG_DEBUG);</div>
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<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  msg << <span class="stringliteral">"Configured FMDDeemph node: "</span> << <span class="keyword">this</span> << std::endl</div>
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<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  << <span class="stringliteral">" sample-rate: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>() << std::endl</div>
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<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  << <span class="stringliteral">" type: "</span> << src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>();</div>
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<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <a class="code" href="classsdr_1_1_logger.html#a9b12ce53593be134b7d7dea62607d22d">Logger::get</a>().<a class="code" href="classsdr_1_1_logger.html#ab887e598a2c4dc1a3a3f1027d91e0e58">log</a>(msg);</div>
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<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> </div>
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<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="comment">// Propergate config:</span></div>
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<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  this-><a class="code" href="classsdr_1_1_source.html#afd4c7e3fb94a057ac40e9877167791ec">setConfig</a>(<a class="code" href="classsdr_1_1_config.html">Config</a>(src_cfg.<a class="code" href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">type</a>(), src_cfg.<a class="code" href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sampleRate</a>(), src_cfg.<a class="code" href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">bufferSize</a>(), 1));</div>
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<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  }</div>
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<div class="line"><a name="l00343"></a><span class="lineno"> 343</span> </div>
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<div class="line"><a name="l00345"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#a7523e82839cb9b84a4f638c14daeeba7"> 345</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#a7523e82839cb9b84a4f638c14daeeba7">process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> &buffer, <span class="keywordtype">bool</span> allow_overwrite)</div>
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<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  {</div>
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<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="comment">// Skip if disabled:</span></div>
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<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">if</span> (!<a class="code" href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501">_enabled</a>) { this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(buffer, allow_overwrite); <span class="keywordflow">return</span>; }</div>
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<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> </div>
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<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="comment">// Process in-place or not</span></div>
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<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">if</span> (allow_overwrite) {</div>
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<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#a44acc50b9eaa05d912923c96ac0b1874">_process</a>(buffer, buffer);</div>
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<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(buffer, allow_overwrite);</div>
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<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  } <span class="keywordflow">else</span> {</div>
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<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <a class="code" href="classsdr_1_1_f_m_deemph.html#a44acc50b9eaa05d912923c96ac0b1874">_process</a>(buffer, <a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a>);</div>
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<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(<a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a>.<a class="code" href="classsdr_1_1_buffer.html#a3eca322ed118a7b5c4cc62b25ce5d119">head</a>(buffer.<a class="code" href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">size</a>()), <span class="keyword">false</span>);</div>
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<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
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<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  }</div>
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<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> </div>
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<div class="line"><a name="l00360"></a><span class="lineno"> 360</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00362"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#a44acc50b9eaa05d912923c96ac0b1874"> 362</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#a44acc50b9eaa05d912923c96ac0b1874">_process</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> &in, <span class="keyword">const</span> <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> &out) {</div>
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<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i=0; i<in.<a class="code" href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">size</a>(); i++) {</div>
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<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="comment">// Update average:</span></div>
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<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  Scalar diff = in[i] - <a class="code" href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900">_avg</a>;</div>
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<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">if</span> (diff > 0) { _avg += (diff + <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a>/2) / <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a>; }</div>
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<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="keywordflow">else</span> { _avg += (diff - <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a>/2) / <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a>; }</div>
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<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">// Store result</span></div>
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<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  out[i] = <a class="code" href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900">_avg</a>;</div>
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<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  }</div>
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<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  }</div>
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<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> </div>
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<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00375"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501"> 375</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501">_enabled</a>;</div>
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<div class="line"><a name="l00377"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223"> 377</a></span>  <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">_alpha</a>;</div>
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<div class="line"><a name="l00379"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900"> 379</a></span>  Scalar <a class="code" href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900">_avg</a>;</div>
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<div class="line"><a name="l00381"></a><span class="lineno"><a class="line" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159"> 381</a></span>  <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> <a class="code" href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">_buffer</a>;</div>
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<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> };</div>
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<div class="line"><a name="l00383"></a><span class="lineno"> 383</span> </div>
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<div class="line"><a name="l00384"></a><span class="lineno"> 384</span> }</div>
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<div class="line"><a name="l00385"></a><span class="lineno"> 385</span> </div>
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<div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="preprocessor">#endif // __SDR_DEMOD_HH__</span></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_a09465c706c213ac9d3c95617b8fde001"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#a09465c706c213ac9d3c95617b8fde001">sdr::FMDeemph::isEnabled</a></div><div class="ttdeci">bool isEnabled() const </div><div class="ttdoc">Returns true if the filter node is enabled. </div><div class="ttdef"><b>Definition:</b> demod.hh:308</div></div>
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<div class="ttc" id="classsdr_1_1_config_html"><div class="ttname"><a href="classsdr_1_1_config.html">sdr::Config</a></div><div class="ttdoc">A collection of configuration information that is send by a source to all connected sinks to properga...</div><div class="ttdef"><b>Definition:</b> node.hh:35</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_af337424855632186cbfe8d241845e7e1"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#af337424855632186cbfe8d241845e7e1">sdr::USBDemod::config</a></div><div class="ttdeci">virtual void config(const Config &src_cfg)</div><div class="ttdoc">Configures the USB demodulator. </div><div class="ttdef"><b>Definition:</b> demod.hh:114</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_a57224082b72708511815a025a1f602b8"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#a57224082b72708511815a025a1f602b8">sdr::USBDemod::CScalar</a></div><div class="ttdeci">std::complex< Scalar > CScalar</div><div class="ttdoc">The complex input scalar. </div><div class="ttdef"><b>Definition:</b> demod.hh:97</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_ad30001feb9c7e161d486e2481274319d"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#ad30001feb9c7e161d486e2481274319d">sdr::FMDemod::~FMDemod</a></div><div class="ttdeci">virtual ~FMDemod()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:190</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_a3c8909c8c2072120a98f1c7e5799c4e1"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#a3c8909c8c2072120a98f1c7e5799c4e1">sdr::USBDemod::~USBDemod</a></div><div class="ttdeci">virtual ~USBDemod()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:109</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_a44acc50b9eaa05d912923c96ac0b1874"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#a44acc50b9eaa05d912923c96ac0b1874">sdr::FMDeemph::_process</a></div><div class="ttdeci">void _process(const Buffer< Scalar > &in, const Buffer< Scalar > &out)</div><div class="ttdoc">Performs the actual filtering. </div><div class="ttdef"><b>Definition:</b> demod.hh:362</div></div>
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<div class="ttc" id="classsdr_1_1_source_html_a13921d5daa00574e2057c1ae1fc28054"><div class="ttname"><a href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">sdr::Source::send</a></div><div class="ttdeci">virtual void send(const RawBuffer &buffer, bool allow_overwrite=false)</div><div class="ttdoc">Sends the given buffer to all connected sinks. </div><div class="ttdef"><b>Definition:</b> node.cc:67</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a0481ffd7d460540b4832546bfc3c8126"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a0481ffd7d460540b4832546bfc3c8126">sdr::FMDemod::SScalar</a></div><div class="ttdeci">Traits< iScalar >::SScalar SScalar</div><div class="ttdoc">The super scalar. </div><div class="ttdef"><b>Definition:</b> demod.hh:179</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a8f3008f786982883d9a1b2284a8b0a57"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a8f3008f786982883d9a1b2284a8b0a57">sdr::FMDemod::config</a></div><div class="ttdeci">virtual void config(const Config &src_cfg)</div><div class="ttdoc">Configures the FM demodulator. </div><div class="ttdef"><b>Definition:</b> demod.hh:195</div></div>
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<div class="ttc" id="classsdr_1_1_sink_html"><div class="ttname"><a href="classsdr_1_1_sink.html">sdr::Sink</a></div><div class="ttdoc">Typed sink. </div><div class="ttdef"><b>Definition:</b> node.hh:192</div></div>
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<div class="ttc" id="namespacesdr_html"><div class="ttname"><a href="namespacesdr.html">sdr</a></div><div class="ttdef"><b>Definition:</b> autocast.hh:8</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a023ef493d310cfc8a304c2443c69fc51"><div class="ttname"><a href="classsdr_1_1_config.html#a023ef493d310cfc8a304c2443c69fc51">sdr::Config::numBuffers</a></div><div class="ttdeci">size_t numBuffers() const </div><div class="ttdoc">Returns the max. </div><div class="ttdef"><b>Definition:</b> node.hh:89</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html">sdr::FMDeemph</a></div><div class="ttdoc">A tiny node to de-emphasize the higher frequencies of a FM transmitted audio signal. </div><div class="ttdef"><b>Definition:</b> demod.hh:292</div></div>
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<div class="ttc" id="classsdr_1_1_raw_buffer_html_a944346de6bb972f687716bee921a3bad"><div class="ttname"><a href="classsdr_1_1_raw_buffer.html#a944346de6bb972f687716bee921a3bad">sdr::RawBuffer::isEmpty</a></div><div class="ttdeci">bool isEmpty() const </div><div class="ttdoc">Returns true if the buffer is invalid/empty. </div><div class="ttdef"><b>Definition:</b> buffer.hh:77</div></div>
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<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div><div class="ttdef"><b>Definition:</b> operators.hh:9</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_a02f4e2b68146d92357e21b8a6bd9eb80"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#a02f4e2b68146d92357e21b8a6bd9eb80">sdr::USBDemod::_buffer</a></div><div class="ttdeci">Buffer< Scalar > _buffer</div><div class="ttdoc">The output buffer. </div><div class="ttdef"><b>Definition:</b> demod.hh:165</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a5df3f75dcd6e678bd5f029a7400b404e"><div class="ttname"><a href="classsdr_1_1_config.html#a5df3f75dcd6e678bd5f029a7400b404e">sdr::Config::hasSampleRate</a></div><div class="ttdeci">bool hasSampleRate() const </div><div class="ttdoc">If true, the configuration has a sample rate. </div><div class="ttdef"><b>Definition:</b> node.hh:75</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_ad66286f2e7e7ab20135444cdb0fa0d18"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#ad66286f2e7e7ab20135444cdb0fa0d18">sdr::FMDeemph::~FMDeemph</a></div><div class="ttdeci">virtual ~FMDeemph()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:303</div></div>
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<div class="ttc" id="classsdr_1_1_source_html"><div class="ttname"><a href="classsdr_1_1_source.html">sdr::Source</a></div><div class="ttdoc">Generic source class. </div><div class="ttdef"><b>Definition:</b> node.hh:213</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a82781f8d9631106089841545c9796f8c"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a82781f8d9631106089841545c9796f8c">sdr::FMDemod::_shift</a></div><div class="ttdeci">int _shift</div><div class="ttdoc">Output rescaling. </div><div class="ttdef"><b>Definition:</b> demod.hh:279</div></div>
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<div class="ttc" id="classsdr_1_1_buffer_html_ad2232275b51b1189daea15c6cd9b3a20"><div class="ttname"><a href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">sdr::Buffer::size</a></div><div class="ttdeci">size_t size() const </div><div class="ttdoc">Returns the number of elements of type T in this buffer. </div><div class="ttdef"><b>Definition:</b> buffer.hh:166</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a7cdfc69aa8e3ab975db7251747343a20"><div class="ttname"><a href="classsdr_1_1_config.html#a7cdfc69aa8e3ab975db7251747343a20">sdr::Config::hasType</a></div><div class="ttdeci">bool hasType() const </div><div class="ttdoc">If true, the configuration has a type. </div><div class="ttdef"><b>Definition:</b> node.hh:69</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_a7be9defbf55abcd863db899e8afea501"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#a7be9defbf55abcd863db899e8afea501">sdr::FMDeemph::_enabled</a></div><div class="ttdeci">bool _enabled</div><div class="ttdoc">If true, the filter is enabled. </div><div class="ttdef"><b>Definition:</b> demod.hh:375</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_a01f7e78791d641c3498344e712f86bea"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#a01f7e78791d641c3498344e712f86bea">sdr::FMDeemph::config</a></div><div class="ttdeci">virtual void config(const Config &src_cfg)</div><div class="ttdoc">Configures the node. </div><div class="ttdef"><b>Definition:</b> demod.hh:314</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_af36a535927f6395e4540ae956574e223"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#af36a535927f6395e4540ae956574e223">sdr::FMDeemph::_alpha</a></div><div class="ttdeci">int _alpha</div><div class="ttdoc">Filter constant. </div><div class="ttdef"><b>Definition:</b> demod.hh:377</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_a136f465b83b4567091797c2d0a28f79f"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#a136f465b83b4567091797c2d0a28f79f">sdr::USBDemod::process</a></div><div class="ttdeci">virtual void process(const Buffer< CScalar > &buffer, bool allow_overwrite)</div><div class="ttdoc">Performs the demodulation. </div><div class="ttdef"><b>Definition:</b> demod.hh:144</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_a7523e82839cb9b84a4f638c14daeeba7"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#a7523e82839cb9b84a4f638c14daeeba7">sdr::FMDeemph::process</a></div><div class="ttdeci">virtual void process(const Buffer< Scalar > &buffer, bool allow_overwrite)</div><div class="ttdoc">Dispatches in- or out-of-place filtering. </div><div class="ttdef"><b>Definition:</b> demod.hh:345</div></div>
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<div class="ttc" id="classsdr_1_1_source_html_afd4c7e3fb94a057ac40e9877167791ec"><div class="ttname"><a href="classsdr_1_1_source.html#afd4c7e3fb94a057ac40e9877167791ec">sdr::Source::setConfig</a></div><div class="ttdeci">virtual void setConfig(const Config &config)</div><div class="ttdoc">Stores the configuration and propergates it if the configuration has been changed. </div><div class="ttdef"><b>Definition:</b> node.cc:98</div></div>
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<div class="ttc" id="classsdr_1_1_a_m_demod_html"><div class="ttname"><a href="classsdr_1_1_a_m_demod.html">sdr::AMDemod</a></div><div class="ttdoc">Amplitude modulation (AM) demodulator from an I/Q signal. </div><div class="ttdef"><b>Definition:</b> demod.hh:18</div></div>
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<div class="ttc" id="classsdr_1_1_a_m_demod_html_af982f1d938899435e391b41d994242d9"><div class="ttname"><a href="classsdr_1_1_a_m_demod.html#af982f1d938899435e391b41d994242d9">sdr::AMDemod::~AMDemod</a></div><div class="ttdeci">virtual ~AMDemod()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:29</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_acf6fbe76f109f5a892c9f4eb0bdd5159"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#acf6fbe76f109f5a892c9f4eb0bdd5159">sdr::FMDeemph::_buffer</a></div><div class="ttdeci">Buffer< Scalar > _buffer</div><div class="ttdoc">The output buffer. </div><div class="ttdef"><b>Definition:</b> demod.hh:381</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html">sdr::FMDemod</a></div><div class="ttdoc">Demodulates FM from an I/Q signal. </div><div class="ttdef"><b>Definition:</b> demod.hh:175</div></div>
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<div class="ttc" id="classsdr_1_1_buffer_html_a3eca322ed118a7b5c4cc62b25ce5d119"><div class="ttname"><a href="classsdr_1_1_buffer.html#a3eca322ed118a7b5c4cc62b25ce5d119">sdr::Buffer::head</a></div><div class="ttdeci">Buffer< T > head(size_t n) const </div><div class="ttdoc">Returns a new view on this buffer. </div><div class="ttdef"><b>Definition:</b> buffer.hh:237</div></div>
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<div class="ttc" id="classsdr_1_1_logger_html_ab887e598a2c4dc1a3a3f1027d91e0e58"><div class="ttname"><a href="classsdr_1_1_logger.html#ab887e598a2c4dc1a3a3f1027d91e0e58">sdr::Logger::log</a></div><div class="ttdeci">void log(const LogMessage &message)</div><div class="ttdoc">Logs a message. </div><div class="ttdef"><b>Definition:</b> logger.cc:100</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a1d05cb544f56c4b4925c5d9dc6ab4d27"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a1d05cb544f56c4b4925c5d9dc6ab4d27">sdr::FMDemod::FMDemod</a></div><div class="ttdeci">FMDemod()</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:183</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a0ce0a86d6f854a551fa0b5015c7a54c9"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a0ce0a86d6f854a551fa0b5015c7a54c9">sdr::FMDemod::_buffer</a></div><div class="ttdeci">Buffer< oScalar > _buffer</div><div class="ttdoc">The output buffer, unused if demodulation is performed in-place. </div><div class="ttdef"><b>Definition:</b> demod.hh:285</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_abba89674656a69fb3e68725ede2f7f29"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#abba89674656a69fb3e68725ede2f7f29">sdr::FMDemod::_can_overwrite</a></div><div class="ttdeci">bool _can_overwrite</div><div class="ttdoc">If true, in-place demodulation is poissible. </div><div class="ttdef"><b>Definition:</b> demod.hh:283</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_afebc90c2a5f54a8a3ab5b896cfe37724"><div class="ttname"><a href="classsdr_1_1_config.html#afebc90c2a5f54a8a3ab5b896cfe37724">sdr::Config::type</a></div><div class="ttdeci">Type type() const </div><div class="ttdoc">Returns the type. </div><div class="ttdef"><b>Definition:</b> node.hh:71</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a71df9feb586e1d33241dec5d6a5beae4"><div class="ttname"><a href="classsdr_1_1_config.html#a71df9feb586e1d33241dec5d6a5beae4">sdr::Config::typeId</a></div><div class="ttdeci">static Type typeId()</div><div class="ttdoc">Returns the type-id of the template type. </div></div>
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<div class="ttc" id="classsdr_1_1_a_m_demod_html_a392ffdcfb0d482c9b502058e3465cdb5"><div class="ttname"><a href="classsdr_1_1_a_m_demod.html#a392ffdcfb0d482c9b502058e3465cdb5">sdr::AMDemod::process</a></div><div class="ttdeci">virtual void process(const Buffer< std::complex< Scalar > > &buffer, bool allow_overwrite)</div><div class="ttdoc">Handles the I/Q input buffer. </div><div class="ttdef"><b>Definition:</b> demod.hh:65</div></div>
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<div class="ttc" id="classsdr_1_1_logger_html_a9b12ce53593be134b7d7dea62607d22d"><div class="ttname"><a href="classsdr_1_1_logger.html#a9b12ce53593be134b7d7dea62607d22d">sdr::Logger::get</a></div><div class="ttdeci">static Logger & get()</div><div class="ttdoc">Returns the singleton instance of the logger. </div><div class="ttdef"><b>Definition:</b> logger.cc:89</div></div>
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<div class="ttc" id="classsdr_1_1_config_error_html"><div class="ttname"><a href="classsdr_1_1_config_error.html">sdr::ConfigError</a></div><div class="ttdoc">The configuration error class. </div><div class="ttdef"><b>Definition:</b> exception.hh:24</div></div>
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<div class="ttc" id="classsdr_1_1_log_message_html"><div class="ttname"><a href="classsdr_1_1_log_message.html">sdr::LogMessage</a></div><div class="ttdoc">A log message. </div><div class="ttdef"><b>Definition:</b> logger.hh:22</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a940f217ca5157e1a43c55fec08a22362"><div class="ttname"><a href="classsdr_1_1_config.html#a940f217ca5157e1a43c55fec08a22362">sdr::Config::bufferSize</a></div><div class="ttdeci">size_t bufferSize() const </div><div class="ttdoc">Returns the max. </div><div class="ttdef"><b>Definition:</b> node.hh:83</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_a96e98fa8436abbbd48aa146177ccd173"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#a96e98fa8436abbbd48aa146177ccd173">sdr::USBDemod::USBDemod</a></div><div class="ttdeci">USBDemod()</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:103</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_ad8d9f4f6914b534f520c5d2615f4ae12"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#ad8d9f4f6914b534f520c5d2615f4ae12">sdr::FMDemod::process</a></div><div class="ttdeci">virtual void process(const Buffer< std::complex< iScalar > > &buffer, bool allow_overwrite)</div><div class="ttdoc">Performs the FM demodulation. </div><div class="ttdef"><b>Definition:</b> demod.hh:229</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a58b7f2935014a069665905662e7d15e3"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a58b7f2935014a069665905662e7d15e3">sdr::FMDemod::_process</a></div><div class="ttdeci">void _process(const Buffer< std::complex< iScalar > > &in, const Buffer< oScalar > &out)</div><div class="ttdoc">The actual demodulation. </div><div class="ttdef"><b>Definition:</b> demod.hh:242</div></div>
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<div class="ttc" id="classsdr_1_1_raw_buffer_html_a8ffd3cbf476c9036bfada9ae8c7c5e05"><div class="ttname"><a href="classsdr_1_1_raw_buffer.html#a8ffd3cbf476c9036bfada9ae8c7c5e05">sdr::RawBuffer::unref</a></div><div class="ttdeci">void unref()</div><div class="ttdoc">Dereferences the buffer. </div><div class="ttdef"><b>Definition:</b> buffer.cc:63</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_a3785af576bab59e8e21fddd5eff4d9b8"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#a3785af576bab59e8e21fddd5eff4d9b8">sdr::FMDeemph::FMDeemph</a></div><div class="ttdeci">FMDeemph(bool enabled=true)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:296</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_ae2f205ad6e0cf6fde1652c6629900b6a"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#ae2f205ad6e0cf6fde1652c6629900b6a">sdr::FMDeemph::enable</a></div><div class="ttdeci">void enable(bool enabled)</div><div class="ttdoc">Enable/Disable the filter node. </div><div class="ttdef"><b>Definition:</b> demod.hh:311</div></div>
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<div class="ttc" id="classsdr_1_1_a_m_demod_html_a6ee7ca724827bbcb1df39f94e04ffa4e"><div class="ttname"><a href="classsdr_1_1_a_m_demod.html#a6ee7ca724827bbcb1df39f94e04ffa4e">sdr::AMDemod::_buffer</a></div><div class="ttdeci">Buffer< Scalar > _buffer</div><div class="ttdoc">The output buffer. </div><div class="ttdef"><b>Definition:</b> demod.hh:85</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html">sdr::USBDemod</a></div><div class="ttdoc">SSB upper side band (USB) demodulator from an I/Q signal. </div><div class="ttdef"><b>Definition:</b> demod.hh:92</div></div>
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<div class="ttc" id="classsdr_1_1_traits_html"><div class="ttname"><a href="classsdr_1_1_traits.html">sdr::Traits</a></div><div class="ttdoc">Forward declaration of type tratis template. </div><div class="ttdef"><b>Definition:</b> traits.hh:20</div></div>
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<div class="ttc" id="classsdr_1_1_a_m_demod_html_ae7a8db03a6982ae33c4786ab3b82a6cc"><div class="ttname"><a href="classsdr_1_1_a_m_demod.html#ae7a8db03a6982ae33c4786ab3b82a6cc">sdr::AMDemod::config</a></div><div class="ttdeci">virtual void config(const Config &src_cfg)</div><div class="ttdoc">Configures the AM demod. </div><div class="ttdef"><b>Definition:</b> demod.hh:35</div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_aa12358f20001ef1691670e5802bc829c"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#aa12358f20001ef1691670e5802bc829c">sdr::USBDemod::_process</a></div><div class="ttdeci">void _process(const Buffer< std::complex< Scalar > > &in, const Buffer< Scalar > &out)</div><div class="ttdoc">The actual demodulation. </div><div class="ttdef"><b>Definition:</b> demod.hh:156</div></div>
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<div class="ttc" id="classsdr_1_1_a_m_demod_html_ab09fa003c654b85df3373d1a8c85036a"><div class="ttname"><a href="classsdr_1_1_a_m_demod.html#ab09fa003c654b85df3373d1a8c85036a">sdr::AMDemod::AMDemod</a></div><div class="ttdeci">AMDemod()</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> demod.hh:23</div></div>
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<div class="ttc" id="classsdr_1_1_buffer_html"><div class="ttname"><a href="classsdr_1_1_buffer.html">sdr::Buffer< Scalar ></a></div></div>
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<div class="ttc" id="classsdr_1_1_u_s_b_demod_html_a2674638bcd3acfbda9d64a45fa6ba0cf"><div class="ttname"><a href="classsdr_1_1_u_s_b_demod.html#a2674638bcd3acfbda9d64a45fa6ba0cf">sdr::USBDemod::SScalar</a></div><div class="ttdeci">Traits< Scalar >::SScalar SScalar</div><div class="ttdoc">The real compute scalar. </div><div class="ttdef"><b>Definition:</b> demod.hh:99</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a485e488e1411e52c722b22d1807be406"><div class="ttname"><a href="classsdr_1_1_config.html#a485e488e1411e52c722b22d1807be406">sdr::Config::hasBufferSize</a></div><div class="ttdeci">bool hasBufferSize() const </div><div class="ttdoc">If true, the configuration has a buffer size. </div><div class="ttdef"><b>Definition:</b> node.hh:81</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a42cfb658302fd7de7729ce2c740e9275"><div class="ttname"><a href="classsdr_1_1_config.html#a42cfb658302fd7de7729ce2c740e9275">sdr::Config::sampleRate</a></div><div class="ttdeci">double sampleRate() const </div><div class="ttdoc">Returns the sample rate. </div><div class="ttdef"><b>Definition:</b> node.hh:77</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_demod_html_a8678f4589d7c1d02e9690162b4227b65"><div class="ttname"><a href="classsdr_1_1_f_m_demod.html#a8678f4589d7c1d02e9690162b4227b65">sdr::FMDemod::_last_value</a></div><div class="ttdeci">std::complex< iScalar > _last_value</div><div class="ttdoc">The last input value. </div><div class="ttdef"><b>Definition:</b> demod.hh:281</div></div>
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<div class="ttc" id="classsdr_1_1_f_m_deemph_html_afd042cc162b75603454ea8c943d38900"><div class="ttname"><a href="classsdr_1_1_f_m_deemph.html#afd042cc162b75603454ea8c943d38900">sdr::FMDeemph::_avg</a></div><div class="ttdeci">Scalar _avg</div><div class="ttdoc">Current averaged value. </div><div class="ttdef"><b>Definition:</b> demod.hh:379</div></div>
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Generated on Tue Jun 2 2015 18:28:36 for libsdr by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.8.9.1
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