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<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="dir_098894a2b9860dda60979d343b8f7997.html">Processing</a></li><li class="navelem"><a class="el" href="dir_f2271bb9f40fce984ef5a3f4c79500fd.html">AudioIO</a></li> </ul>
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<div class="title">AudioIn.hxx</div> </div>
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<a href="AudioIn_8hxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#ifndef __AudioIn__</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span><span class="preprocessor">#define __AudioIn__</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "<a class="code" href="AudioIO_8hxx.html">AudioIO.hxx</a>"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="Processing_8hxx.html">Processing.hxx</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="Audio_8hxx.html">Audio.hxx</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "<a class="code" href="AudioOutPort_8hxx.html">AudioOutPort.hxx</a>"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "<a class="code" href="AudioDevice_8hxx.html">AudioDevice.hxx</a>"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">namespace </span>CLAM{</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html"> 39</a></span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1AudioIn.html" title="This class is the interface to an input of an AudioDevice.">AudioIn</a>: <span class="keyword">public</span> <a class="code" href="classCLAM_1_1Processing.html" title="The base class for all the CLAM processing object classes.">Processing</a></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a85edaa7e5c3ae68dabadd5373890591e"> 41</a></span> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1AudioManager.html" title="This class takes care of all the creation of the registration of AudioIn and AudioOut objects...">AudioManager</a>;</div>
<div class="line"><a name="l00042"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a8fbf9b3017983991713e2cbb819dfd5a"> 42</a></span> <span class="keyword">friend</span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1AudioDevice.html" title="This is the abstract base class for an audio device.">AudioDevice</a>;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <a class="code" href="classCLAM_1_1AudioIOConfig.html" title="Configuration of the AudioIn and AudioOut classes.">AudioIOConfig</a> mConfig;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classCLAM_1_1AudioDevice.html" title="This is the abstract base class for an audio device.">AudioDevice</a>* mpDevice;</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a2608b83702b557283c8d8625feb49ec0"> 47</a></span>  <a class="code" href="classCLAM_1_1AudioOutPort.html">AudioOutPort</a> <a class="code" href="classCLAM_1_1AudioIn.html#a2608b83702b557283c8d8625feb49ec0">mOutput</a>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioIn.html#af57bdb719d71c0e665094573ef0e3c80" title="Configuration method interface.">ConcreteConfigure</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1ProcessingConfig.html" title="This is an abstract class which serves as interface for configuration classes used as processing obje...">ProcessingConfig</a>& c);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a82db39fb412b3053c430dc6366afde17"> 59</a></span>  <span class="keyword">const</span> <a class="code" href="classCLAM_1_1ProcessingConfig.html" title="This is an abstract class which serves as interface for configuration classes used as processing obje...">ProcessingConfig</a> &<a class="code" href="classCLAM_1_1AudioIn.html#a82db39fb412b3053c430dc6366afde17" title="Getter for the configuration of the class.">GetConfig</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> mConfig;}</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a2f29bcb4b843d2388ec0d854f6b1a0d7"> 63</a></span>  <a class="code" href="classCLAM_1_1AudioIn.html#a2f29bcb4b843d2388ec0d854f6b1a0d7" title="Default constructor for the class.">AudioIn</a>() :<a class="code" href="classCLAM_1_1AudioIn.html#a2608b83702b557283c8d8625feb49ec0">mOutput</a>( <span class="stringliteral">"Audio Output"</span>,this ) { mpDevice = 0; <a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(<a class="code" href="classCLAM_1_1AudioIOConfig.html" title="Configuration of the AudioIn and AudioOut classes.">AudioIOConfig</a>()); }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a0c0f7f10afc9d3b9dbdc997f6a78646f"> 68</a></span>  <a class="code" href="classCLAM_1_1AudioIn.html#a0c0f7f10afc9d3b9dbdc997f6a78646f" title="Constructor of the class with an AudioIOConfig object constructed by the user as parameter.">AudioIn</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1AudioIOConfig.html" title="Configuration of the AudioIn and AudioOut classes.">AudioIOConfig</a> &c) : <a class="code" href="classCLAM_1_1AudioIn.html#a2608b83702b557283c8d8625feb49ec0">mOutput</a>( <span class="stringliteral">"Audio Output"</span>,this ) { mpDevice = 0; <a class="code" href="classCLAM_1_1Processing.html#a586222b159a5b27b5bbb830a125fccc0" title="Configuration change method.">Configure</a>(c); }</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a64c771714f795dc4ff7096c2aa4d2224"> 70</a></span>  <a class="code" href="classCLAM_1_1AudioIn.html#a64c771714f795dc4ff7096c2aa4d2224" title="Destructor method of the class.">~AudioIn</a>() { <span class="keywordflow">if</span> (mpDevice) mpDevice-><a class="code" href="classCLAM_1_1AudioDevice.html#a9469bc58dfbe5b6cb503c15e3a7b789a">Unregister</a>(*<span class="keyword">this</span>); }</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a45723e69fe2db46083c094eeac36eaee"> 72</a></span>  <span class="keyword">const</span> <span class="keywordtype">char</span> * <a class="code" href="classCLAM_1_1AudioIn.html#a45723e69fe2db46083c094eeac36eaee" title="Override it in every subclass and retur the name of that class.">GetClassName</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="stringliteral">"AudioIn"</span>;}</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioIn.html#a4aa97c648dff22a8283bd97224522cf3" title="Supervised mode of Do method.">Do</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a name="l00082"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#aa7bbbb5cbeba81372b9e489cd52a5f05"> 82</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioIn.html#a4aa97c648dff22a8283bd97224522cf3" title="Supervised mode of Do method.">Do</a>(<a class="code" href="classCLAM_1_1Audio.html" title="Audio class with the Data Buffer, information about it (SampleRate, BeginTime), and methods to insert...">Audio</a>& data)</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (!<a class="code" href="classCLAM_1_1Processing.html#a90f259e0832055b0baf4896069e29f50" title="In debug-mode checks that the processing is configured and started.">AbleToExecute</a>()) <span class="keywordflow">return</span> <span class="keyword">true</span>; <span class="comment">// object was disabled</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  mpDevice-><a class="code" href="classCLAM_1_1AudioDevice.html#a1fc121749f697bf18c0e7d7699a87df3" title="Reads the information given by this Device and passes data to an Audio chunk.">Read</a>(data,mConfig.GetChannelID());</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1AudioIn.html#af5284d132f7759a669ce719629863165" title="Getter for the Info of Device Object attached to this AudioIn instantiation.">GetDeviceInfo</a>(<a class="code" href="structCLAM_1_1AudioDevice_1_1TInfo.html" title="This class is used to respond to device information request using the GetInfo method.">AudioDevice::TInfo</a> &) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#ab5b6f6dbad3bc33546ddbc8a68bccd87"> 95</a></span>  <span class="keywordtype">int</span> <a class="code" href="classCLAM_1_1AudioIn.html#ab5b6f6dbad3bc33546ddbc8a68bccd87">GetChannelID</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> mConfig.GetChannelID();}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="code" href="classCLAM_1_1AudioIn.html#a3d9bd9885dd9ef8a4f97cb97b9cb914a"> 99</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioIn.html#a3d9bd9885dd9ef8a4f97cb97b9cb914a" title="Wether the processing is a sync source such as audio i/o device, or an audio callback hook (i...">IsSyncSource</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1AudioIn.html#a32d1e97d07e97dae084c81380a0d7db9" title="Processing objects have to redefine this method when starting them implies some internal changes...">ConcreteStart</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> };</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> };<span class="comment">//CLAM</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#endif // __AudioIn__</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor"></span></div>
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