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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">portaudio.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_PORTAUDIO_HH__</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define __SDR_PORTAUDIO_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 <portaudio.h></span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "buffer.hh"</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "node.hh"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "config.hh"</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "logger.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> <span class="keyword">namespace </span><a class="code" href="namespacesdr.html">sdr</a> {</div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
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<div class="line"><a name="l00014"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_audio.html"> 14</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_port_audio.html">PortAudio</a> {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_audio.html#aaec93bedb614d249c5d8f74138b55c3a">init</a>();</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_audio.html#a1b2c9c26f19d788e436806675f268ec3">terminate</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="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_port_audio.html#a3cdb7755e7bd2a1e750b7a717a5bd946">numDevices</a>();</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_port_audio.html#a1990e85770c15c10fb29ddaea82fc447">defaultInputDevice</a>();</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_port_audio.html#a05af7d9c2963d085e342f12a719c33f1">defaultOutputDevice</a>();</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_port_audio.html#a3e2e0df7ad08bf37b0e436ffb68c36e2">hasInputStream</a>(<span class="keywordtype">int</span> idx);</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">static</span> <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_port_audio.html#a9c5fe4bf24d4876fe6a9a4c9c0a3f77e">hasOutputStream</a>(<span class="keywordtype">int</span> idx);</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">static</span> std::string <a class="code" href="classsdr_1_1_port_audio.html#a179ad1349b899080303ddd535e6d23d9">deviceName</a>(<span class="keywordtype">int</span> idx);</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="l00034"></a><span class="lineno"> 34</span> </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_sink.html"> 38</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_port_sink.html">PortSink</a>: <span class="keyword">public</span> <a class="code" href="classsdr_1_1_sink_base.html">SinkBase</a></div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> {</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="classsdr_1_1_port_sink.html#a07ddcbde693491c27ad2ef1831f0bc8d">PortSink</a>();</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">virtual</span> <a class="code" href="classsdr_1_1_port_sink.html#a4bad3616a1b9d4fc661a0d05f82195b5">~PortSink</a>();</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="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_sink.html#a864372dbd08d8f5cc0fd8731f093fea0">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="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_sink.html#a080e01c07a812fa597487a88bc99b196">handleBuffer</a>(<span class="keyword">const</span> <a class="code" href="classsdr_1_1_raw_buffer.html">RawBuffer</a> &buffer, <span class="keywordtype">bool</span> allow_overwrite);</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> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_sink.html#a13ef6bcf81b5d490bf33241efcb7d157"> 53</a></span>  PaStream *<a class="code" href="classsdr_1_1_port_sink.html#a13ef6bcf81b5d490bf33241efcb7d157">_stream</a>;</div>
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<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_sink.html#a110e4fb11c1637fc7ff94389d684cda3"> 55</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="classsdr_1_1_port_sink.html#a110e4fb11c1637fc7ff94389d684cda3">_frame_size</a>;</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> };</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </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="l00061"></a><span class="lineno"> 61</span> <span class="keyword">template</span> <<span class="keyword">class</span> Scalar></div>
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<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html"> 62</a></span> <span class="keyword">class </span><a class="code" href="classsdr_1_1_port_source.html">PortSource</a>: <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="l00063"></a><span class="lineno"> 63</span> {</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a79e184b8673fad74860dcd7fa28df9cd"> 66</a></span>  <a class="code" href="classsdr_1_1_port_source.html#a79e184b8673fad74860dcd7fa28df9cd">PortSource</a>(<span class="keywordtype">double</span> <a class="code" href="classsdr_1_1_source.html#aca6c3a89bb5787de5657c4d221bb1ed4">sampleRate</a>, <span class="keywordtype">size_t</span> bufferSize, <span class="keywordtype">int</span> dev=-1):</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classsdr_1_1_source.html">Source</a>(), <a class="code" href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5">_streamIsOpen</a>(false), <a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>(0), <a class="code" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">_sampleRate</a>(sampleRate), <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a>(true)</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  {</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="comment">// Allocate buffer</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a> = <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a>(bufferSize);</div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="classsdr_1_1_port_source.html#a5e62bd780d01d8e5c53335c5e7955c96">_initializeStream</a>(dev);</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  }</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
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<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#acdbbc6cf479f7463c8f323970e2f6acb"> 75</a></span>  <span class="keyword">virtual</span> <a class="code" href="classsdr_1_1_port_source.html#acdbbc6cf479f7463c8f323970e2f6acb">~PortSource</a>() {</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="comment">// close stream</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (0 != <a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>) { Pa_CloseStream(<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>); }</div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// unref buffer</span></div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_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="l00080"></a><span class="lineno"> 80</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="l00084"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a956dbd9ff5ced54794cd5c2b67bb1826"> 84</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_source.html#a956dbd9ff5ced54794cd5c2b67bb1826">next</a>() {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  Pa_ReadStream(<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>, <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>.<a class="code" href="classsdr_1_1_raw_buffer.html#a2384e82c2344e55b0246e8aebcd713f2">ptr</a>(), <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>.<a class="code" href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">size</a>());</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  this-><a class="code" href="classsdr_1_1_source.html#a13921d5daa00574e2057c1ae1fc28054">send</a>(<a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>);</div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  }</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div>
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<div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#adabd60fbc242b04e7e9a2ffc1d55a240"> 92</a></span>  <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_port_source.html#adabd60fbc242b04e7e9a2ffc1d55a240">deviceIndex</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a>; }</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a name="l00096"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#abc0ea18b8794b09ca7dea28fcae26269"> 96</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_source.html#abc0ea18b8794b09ca7dea28fcae26269">setDeviceIndex</a>(<span class="keywordtype">int</span> idx=-1) {</div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <a class="code" href="classsdr_1_1_port_source.html#a5e62bd780d01d8e5c53335c5e7955c96">_initializeStream</a>(idx);</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  }</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a9e574984db12845def10240fb409a476"> 101</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_port_source.html#a9e574984db12845def10240fb409a476">hasSampleRate</a>(<span class="keywordtype">double</span> <a class="code" href="classsdr_1_1_source.html#aca6c3a89bb5787de5657c4d221bb1ed4">sampleRate</a>) {</div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  PaStreamParameters params;</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  params.device = <a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a>;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  params.channelCount = <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a> ? 1 : 2;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  params.sampleFormat = <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a>;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  params.hostApiSpecificStreamInfo = 0;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> paFormatIsSupported == Pa_IsFormatSupported(&params, 0, sampleRate);</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
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<div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#ade30a6651fefb5348fe32793b220f1ff"> 112</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_source.html#ade30a6651fefb5348fe32793b220f1ff">setSampleRate</a>(<span class="keywordtype">double</span> <a class="code" href="classsdr_1_1_source.html#aca6c3a89bb5787de5657c4d221bb1ed4">sampleRate</a>) {</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">_sampleRate</a> = <a class="code" href="classsdr_1_1_source.html#aca6c3a89bb5787de5657c4d221bb1ed4">sampleRate</a>;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="classsdr_1_1_port_source.html#a5e62bd780d01d8e5c53335c5e7955c96">_initializeStream</a>(<a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a>);</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a5e62bd780d01d8e5c53335c5e7955c96"> 119</a></span>  <span class="keywordtype">void</span> <a class="code" href="classsdr_1_1_port_source.html#a5e62bd780d01d8e5c53335c5e7955c96">_initializeStream</a>(<span class="keywordtype">int</span> idx=-1) {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Stop and close stream if running</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (<a class="code" href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5">_streamIsOpen</a>) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  Pa_StopStream(<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>); Pa_CloseStream(<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>); <a class="code" href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5">_streamIsOpen</a> = <span class="keyword">false</span>;</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">// Determine input stream format by scalar type</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">switch</span> (Config::typeId<Scalar>()) {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">case</span> <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a16fb6708c6744a2892bc1badb01953b5">Config::Type_f32</a>:</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a> = paFloat32;</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">case</span> <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a9fd5000bcdeaf5872cfa097b8df26a74">Config::Type_u16</a>:</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">case</span> <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a4f222757d46f6b85c63657e1560bf9eb">Config::Type_s16</a>:</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a> = paInt16;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">case</span> <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a3517b22ed2f8ebce25b6ce140e0fc4ae">Config::Type_cf32</a>:</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a> = paFloat32;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">case</span> <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a6a87fdcbcf659811d60fee74fbea7f07">Config::Type_cu16</a>:</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">case</span> <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a63b4a03813b5e6224170be42b6275fe7">Config::Type_cs16</a>:</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a> = paInt16;</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a> = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">break</span>;</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">default</span>:</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="classsdr_1_1_config_error.html">ConfigError</a> err;</div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  err << <span class="stringliteral">"Can not configure PortAudio sink: Unsupported format "</span> << Config::typeId<Scalar>()</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  << <span class="stringliteral">" must be one of "</span> << <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a9fd5000bcdeaf5872cfa097b8df26a74">Config::Type_u16</a> << <span class="stringliteral">", "</span> << <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a4f222757d46f6b85c63657e1560bf9eb">Config::Type_s16</a></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  << <span class="stringliteral">", "</span> << <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a16fb6708c6744a2892bc1badb01953b5">Config::Type_f32</a> << <span class="stringliteral">", "</span> << <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a6a87fdcbcf659811d60fee74fbea7f07">Config::Type_cu16</a> << <span class="stringliteral">", "</span> << <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a63b4a03813b5e6224170be42b6275fe7">Config::Type_cs16</a></div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  << <span class="stringliteral">" or "</span> << <a class="code" href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a3517b22ed2f8ebce25b6ce140e0fc4ae">Config::Type_cf32</a> << <span class="stringliteral">"."</span>;</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">throw</span> err;</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="comment">// Assemble config:</span></div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> numCh = <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a> ? 1 : 2;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a> = idx < 0 ? Pa_GetDefaultInputDevice() : idx;</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  PaStreamParameters params;</div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  params.device = <a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a>;</div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  params.channelCount = numCh;</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  params.sampleFormat = <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a>;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  params.suggestedLatency = Pa_GetDeviceInfo(<a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a>)->defaultHighInputLatency;</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  params.hostApiSpecificStreamInfo = 0;</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
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<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="comment">// open stream</span></div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  PaError err = Pa_OpenStream(&<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>, &params, 0, <a class="code" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">_sampleRate</a>, <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>.<a class="code" href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">size</a>(), 0, 0, 0);</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>  <span class="comment">// Check for errors</span></div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (0 > err) {</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="classsdr_1_1_config_error.html">ConfigError</a> err;</div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  err << <span class="stringliteral">"Can not open PortAudio input stream!"</span>; <span class="keywordflow">throw</span> err;</div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// Mark stream as open</span></div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5">_streamIsOpen</a> = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">// Start stream</span></div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  Pa_StartStream(<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</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>  <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="l00178"></a><span class="lineno"> 178</span>  msg << <span class="stringliteral">"Configure PortAudio source: "</span> << std::endl</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  << <span class="stringliteral">" sample rate "</span> << <a class="code" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">_sampleRate</a> << std::endl</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  << <span class="stringliteral">" buffer size "</span> << <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>.<a class="code" href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">size</a>() << std::endl</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  << <span class="stringliteral">" format "</span> << Config::typeId<Scalar>() << std::endl</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  << <span class="stringliteral">" num chanels "</span> << numCh;</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</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="l00184"></a><span class="lineno"> 184</span> </div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// Set config</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</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>(), <a class="code" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">_sampleRate</a>, <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>.<a class="code" href="classsdr_1_1_buffer.html#ad2232275b51b1189daea15c6cd9b3a20">size</a>(), 1));</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="l00189"></a><span class="lineno"> 189</span> </div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keyword">protected</span>:</div>
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<div class="line"><a name="l00192"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5"> 192</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5">_streamIsOpen</a>;</div>
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<div class="line"><a name="l00194"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967"> 194</a></span>  PaStream *<a class="code" href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">_stream</a>;</div>
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<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7"> 196</a></span>  PaSampleFormat <a class="code" href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">_fmt</a>;</div>
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<div class="line"><a name="l00198"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7"> 198</a></span>  <span class="keywordtype">double</span> <a class="code" href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">_sampleRate</a>;</div>
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<div class="line"><a name="l00200"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e"> 200</a></span>  <span class="keywordtype">int</span> <a class="code" href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">_deviceIndex</a>;</div>
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<div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5"> 202</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">_is_real</a>;</div>
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<div class="line"><a name="l00204"></a><span class="lineno"><a class="line" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6"> 204</a></span>  <a class="code" href="classsdr_1_1_buffer.html">Buffer<Scalar></a> <a class="code" href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">_buffer</a>;</div>
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<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> };</div>
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<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
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<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> }</div>
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<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> </div>
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<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif // __SDR_PORTAUDIO_HH__</span></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_a5e62bd780d01d8e5c53335c5e7955c96"><div class="ttname"><a href="classsdr_1_1_port_source.html#a5e62bd780d01d8e5c53335c5e7955c96">sdr::PortSource::_initializeStream</a></div><div class="ttdeci">void _initializeStream(int idx=-1)</div><div class="ttdoc">Device setup. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:119</div></div>
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<div class="ttc" id="classsdr_1_1_port_audio_html_a3e2e0df7ad08bf37b0e436ffb68c36e2"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a3e2e0df7ad08bf37b0e436ffb68c36e2">sdr::PortAudio::hasInputStream</a></div><div class="ttdeci">static bool hasInputStream(int idx)</div><div class="ttdoc">Returns true of the given device provides an input chanel. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:35</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_config_html_a62084c40ed753ff6caefdc4564c597b8a3517b22ed2f8ebce25b6ce140e0fc4ae"><div class="ttname"><a href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a3517b22ed2f8ebce25b6ce140e0fc4ae">sdr::Config::Type_cf32</a></div><div class="ttdoc">Complex (aka I/Q) type of 32bit floats aka. std::complex<float>. </div><div class="ttdef"><b>Definition:</b> node.hh:51</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html"><div class="ttname"><a href="classsdr_1_1_port_sink.html">sdr::PortSink</a></div><div class="ttdoc">PortAudio playback node. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:38</div></div>
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<div class="ttc" id="classsdr_1_1_raw_buffer_html"><div class="ttname"><a href="classsdr_1_1_raw_buffer.html">sdr::RawBuffer</a></div><div class="ttdoc">Base class of all buffers, represents an untyped array of bytes. </div><div class="ttdef"><b>Definition:</b> buffer.hh:32</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_a29c6c91a2f98159a58a9535c8c6dfeb5"><div class="ttname"><a href="classsdr_1_1_port_source.html#a29c6c91a2f98159a58a9535c8c6dfeb5">sdr::PortSource::_streamIsOpen</a></div><div class="ttdeci">bool _streamIsOpen</div><div class="ttdoc">If true, the PortAudio stream, _stream is open. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:192</div></div>
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<div class="ttc" id="classsdr_1_1_port_audio_html_a05af7d9c2963d085e342f12a719c33f1"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a05af7d9c2963d085e342f12a719c33f1">sdr::PortAudio::defaultOutputDevice</a></div><div class="ttdeci">static int defaultOutputDevice()</div><div class="ttdoc">Returns the index of the default output device. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:30</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_acf00e7c85d2e1d56409b7ff26d65b4c5"><div class="ttname"><a href="classsdr_1_1_port_source.html#acf00e7c85d2e1d56409b7ff26d65b4c5">sdr::PortSource::_is_real</a></div><div class="ttdeci">bool _is_real</div><div class="ttdoc">If true, the input stream is real (1 chanel), otherwise complex (2 chanels). </div><div class="ttdef"><b>Definition:</b> portaudio.hh:202</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a62084c40ed753ff6caefdc4564c597b8a4f222757d46f6b85c63657e1560bf9eb"><div class="ttname"><a href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a4f222757d46f6b85c63657e1560bf9eb">sdr::Config::Type_s16</a></div><div class="ttdoc">Real signed 16b ints. </div><div class="ttdef"><b>Definition:</b> node.hh:44</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_port_audio_html_aaec93bedb614d249c5d8f74138b55c3a"><div class="ttname"><a href="classsdr_1_1_port_audio.html#aaec93bedb614d249c5d8f74138b55c3a">sdr::PortAudio::init</a></div><div class="ttdeci">static void init()</div><div class="ttdoc">Initializes the PortAudio system, must be called first. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:10</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a62084c40ed753ff6caefdc4564c597b8a6a87fdcbcf659811d60fee74fbea7f07"><div class="ttname"><a href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a6a87fdcbcf659811d60fee74fbea7f07">sdr::Config::Type_cu16</a></div><div class="ttdoc">Complex (aka I/Q) type of unsigned 16b ints. </div><div class="ttdef"><b>Definition:</b> node.hh:49</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_port_audio_html_a3cdb7755e7bd2a1e750b7a717a5bd946"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a3cdb7755e7bd2a1e750b7a717a5bd946">sdr::PortAudio::numDevices</a></div><div class="ttdeci">static int numDevices()</div><div class="ttdoc">Returns the number of devices available. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:20</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_port_source_html_ad09e69cd96993d8963e46e4d2a87a967"><div class="ttname"><a href="classsdr_1_1_port_source.html#ad09e69cd96993d8963e46e4d2a87a967">sdr::PortSource::_stream</a></div><div class="ttdeci">PaStream * _stream</div><div class="ttdoc">The PortAudio input stream. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:194</div></div>
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<div class="ttc" id="classsdr_1_1_port_audio_html_a179ad1349b899080303ddd535e6d23d9"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a179ad1349b899080303ddd535e6d23d9">sdr::PortAudio::deviceName</a></div><div class="ttdeci">static std::string deviceName(int idx)</div><div class="ttdoc">Returns the device name. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:47</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_a956dbd9ff5ced54794cd5c2b67bb1826"><div class="ttname"><a href="classsdr_1_1_port_source.html#a956dbd9ff5ced54794cd5c2b67bb1826">sdr::PortSource::next</a></div><div class="ttdeci">void next()</div><div class="ttdoc">Reads (blocking) the next buffer from the PortAudio stream. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:84</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_af4875056f3b373dd947453156fd944b6"><div class="ttname"><a href="classsdr_1_1_port_source.html#af4875056f3b373dd947453156fd944b6">sdr::PortSource::_buffer</a></div><div class="ttdeci">Buffer< Scalar > _buffer</div><div class="ttdoc">The output buffer. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:204</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html_a080e01c07a812fa597487a88bc99b196"><div class="ttname"><a href="classsdr_1_1_port_sink.html#a080e01c07a812fa597487a88bc99b196">sdr::PortSink::handleBuffer</a></div><div class="ttdeci">virtual void handleBuffer(const RawBuffer &buffer, bool allow_overwrite)</div><div class="ttdoc">Playback. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:152</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_source_html_aca6c3a89bb5787de5657c4d221bb1ed4"><div class="ttname"><a href="classsdr_1_1_source.html#aca6c3a89bb5787de5657c4d221bb1ed4">sdr::Source::sampleRate</a></div><div class="ttdeci">virtual double sampleRate() const </div><div class="ttdoc">Returns the configured sample rate or 0 otherwise. </div><div class="ttdef"><b>Definition:</b> node.cc:122</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a62084c40ed753ff6caefdc4564c597b8a9fd5000bcdeaf5872cfa097b8df26a74"><div class="ttname"><a href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a9fd5000bcdeaf5872cfa097b8df26a74">sdr::Config::Type_u16</a></div><div class="ttdoc">Real unsigned 16b ints. </div><div class="ttdef"><b>Definition:</b> node.hh:43</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_aa710e7498cf6fe7423aa382e610cdfe7"><div class="ttname"><a href="classsdr_1_1_port_source.html#aa710e7498cf6fe7423aa382e610cdfe7">sdr::PortSource::_sampleRate</a></div><div class="ttdeci">double _sampleRate</div><div class="ttdoc">The current sample rate. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:198</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_port_audio_html_a9c5fe4bf24d4876fe6a9a4c9c0a3f77e"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a9c5fe4bf24d4876fe6a9a4c9c0a3f77e">sdr::PortAudio::hasOutputStream</a></div><div class="ttdeci">static bool hasOutputStream(int idx)</div><div class="ttdoc">Returns true of the given device provides an output chanel. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:41</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html_a864372dbd08d8f5cc0fd8731f093fea0"><div class="ttname"><a href="classsdr_1_1_port_sink.html#a864372dbd08d8f5cc0fd8731f093fea0">sdr::PortSink::config</a></div><div class="ttdeci">virtual void config(const Config &src_cfg)</div><div class="ttdoc">Configures the PortAudio output. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:70</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html_a110e4fb11c1637fc7ff94389d684cda3"><div class="ttname"><a href="classsdr_1_1_port_sink.html#a110e4fb11c1637fc7ff94389d684cda3">sdr::PortSink::_frame_size</a></div><div class="ttdeci">size_t _frame_size</div><div class="ttdoc">The frame-size. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:55</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_abc0ea18b8794b09ca7dea28fcae26269"><div class="ttname"><a href="classsdr_1_1_port_source.html#abc0ea18b8794b09ca7dea28fcae26269">sdr::PortSource::setDeviceIndex</a></div><div class="ttdeci">void setDeviceIndex(int idx=-1)</div><div class="ttdoc">Selects the input device, throws a ConfigError exception if the device can not be setup as an input d...</div><div class="ttdef"><b>Definition:</b> portaudio.hh:96</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_a580cb416af502286a00414f1d8f5c40e"><div class="ttname"><a href="classsdr_1_1_port_source.html#a580cb416af502286a00414f1d8f5c40e">sdr::PortSource::_deviceIndex</a></div><div class="ttdeci">int _deviceIndex</div><div class="ttdoc">The current input device index. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:200</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html_a13ef6bcf81b5d490bf33241efcb7d157"><div class="ttname"><a href="classsdr_1_1_port_sink.html#a13ef6bcf81b5d490bf33241efcb7d157">sdr::PortSink::_stream</a></div><div class="ttdeci">PaStream * _stream</div><div class="ttdoc">The PortAudio stream. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:53</div></div>
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<div class="ttc" id="classsdr_1_1_port_audio_html_a1b2c9c26f19d788e436806675f268ec3"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a1b2c9c26f19d788e436806675f268ec3">sdr::PortAudio::terminate</a></div><div class="ttdeci">static void terminate()</div><div class="ttdoc">Shutdown. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:15</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_ade30a6651fefb5348fe32793b220f1ff"><div class="ttname"><a href="classsdr_1_1_port_source.html#ade30a6651fefb5348fe32793b220f1ff">sdr::PortSource::setSampleRate</a></div><div class="ttdeci">void setSampleRate(double sampleRate)</div><div class="ttdoc">Resets the sample rate of the input device. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:112</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_port_source_html"><div class="ttname"><a href="classsdr_1_1_port_source.html">sdr::PortSource</a></div><div class="ttdoc">PortAudio input stream as a Source. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:62</div></div>
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<div class="ttc" id="classsdr_1_1_port_audio_html"><div class="ttname"><a href="classsdr_1_1_port_audio.html">sdr::PortAudio</a></div><div class="ttdoc">"Namespace" to collect all static, PortAudio related functions. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:14</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_a9e574984db12845def10240fb409a476"><div class="ttname"><a href="classsdr_1_1_port_source.html#a9e574984db12845def10240fb409a476">sdr::PortSource::hasSampleRate</a></div><div class="ttdeci">bool hasSampleRate(double sampleRate)</div><div class="ttdoc">Checks if the given sample rate is supported by the device. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:101</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_a6b117cef08484042585e32f7ecc1acb7"><div class="ttname"><a href="classsdr_1_1_port_source.html#a6b117cef08484042585e32f7ecc1acb7">sdr::PortSource::_fmt</a></div><div class="ttdeci">PaSampleFormat _fmt</div><div class="ttdoc">The current format of the PortAudio stream. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:196</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_html_a62084c40ed753ff6caefdc4564c597b8a16fb6708c6744a2892bc1badb01953b5"><div class="ttname"><a href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a16fb6708c6744a2892bc1badb01953b5">sdr::Config::Type_f32</a></div><div class="ttdoc">Real 32b floats aka. "float". </div><div class="ttdef"><b>Definition:</b> node.hh:45</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_port_audio_html_a1990e85770c15c10fb29ddaea82fc447"><div class="ttname"><a href="classsdr_1_1_port_audio.html#a1990e85770c15c10fb29ddaea82fc447">sdr::PortAudio::defaultInputDevice</a></div><div class="ttdeci">static int defaultInputDevice()</div><div class="ttdoc">Returns the index of the default input device. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:25</div></div>
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<div class="ttc" id="classsdr_1_1_sink_base_html"><div class="ttname"><a href="classsdr_1_1_sink_base.html">sdr::SinkBase</a></div><div class="ttdoc">Basic interface of all Sinks. </div><div class="ttdef"><b>Definition:</b> node.hh:174</div></div>
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<div class="ttc" id="classsdr_1_1_port_source_html_acdbbc6cf479f7463c8f323970e2f6acb"><div class="ttname"><a href="classsdr_1_1_port_source.html#acdbbc6cf479f7463c8f323970e2f6acb">sdr::PortSource::~PortSource</a></div><div class="ttdeci">virtual ~PortSource()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:75</div></div>
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<div class="ttc" id="classsdr_1_1_raw_buffer_html_a2384e82c2344e55b0246e8aebcd713f2"><div class="ttname"><a href="classsdr_1_1_raw_buffer.html#a2384e82c2344e55b0246e8aebcd713f2">sdr::RawBuffer::ptr</a></div><div class="ttdeci">char * ptr() const </div><div class="ttdoc">Returns the pointer to the data (w/o view). </div><div class="ttdef"><b>Definition:</b> buffer.hh:67</div></div>
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<div class="ttc" id="classsdr_1_1_config_html_a62084c40ed753ff6caefdc4564c597b8a63b4a03813b5e6224170be42b6275fe7"><div class="ttname"><a href="classsdr_1_1_config.html#a62084c40ed753ff6caefdc4564c597b8a63b4a03813b5e6224170be42b6275fe7">sdr::Config::Type_cs16</a></div><div class="ttdoc">Complex (aka I/Q) type of signed 16b ints. </div><div class="ttdef"><b>Definition:</b> node.hh:50</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_port_source_html_a79e184b8673fad74860dcd7fa28df9cd"><div class="ttname"><a href="classsdr_1_1_port_source.html#a79e184b8673fad74860dcd7fa28df9cd">sdr::PortSource::PortSource</a></div><div class="ttdeci">PortSource(double sampleRate, size_t bufferSize, int dev=-1)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:66</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html_a07ddcbde693491c27ad2ef1831f0bc8d"><div class="ttname"><a href="classsdr_1_1_port_sink.html#a07ddcbde693491c27ad2ef1831f0bc8d">sdr::PortSink::PortSink</a></div><div class="ttdeci">PortSink()</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:57</div></div>
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<div class="ttc" id="classsdr_1_1_port_sink_html_a4bad3616a1b9d4fc661a0d05f82195b5"><div class="ttname"><a href="classsdr_1_1_port_sink.html#a4bad3616a1b9d4fc661a0d05f82195b5">sdr::PortSink::~PortSink</a></div><div class="ttdeci">virtual ~PortSink()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> portaudio.cc:63</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_port_source_html_adabd60fbc242b04e7e9a2ffc1d55a240"><div class="ttname"><a href="classsdr_1_1_port_source.html#adabd60fbc242b04e7e9a2ffc1d55a240">sdr::PortSource::deviceIndex</a></div><div class="ttdeci">int deviceIndex() const </div><div class="ttdoc">Returns the currently selected input device. </div><div class="ttdef"><b>Definition:</b> portaudio.hh:92</div></div>
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</a> 1.8.9.1
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