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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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 <span id="projectnumber">1.4.0</span>
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<a href="PANetworkPlayer_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) 2001-2007 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> <span class="preprocessor">#ifndef _PORTAUDIO_NETWORK_PLAYER_HXX_</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define _PORTAUDIO_NETWORK_PLAYER_HXX_</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <iostream></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <string></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "<a class="code" href="NetworkPlayer_8hxx.html">NetworkPlayer.hxx</a>"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <portaudio.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">namespace </span>CLAM</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"><a class="code" href="classCLAM_1_1PANetworkPlayer.html"> 34</a></span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1PANetworkPlayer.html">PANetworkPlayer</a> : <span class="keyword">public</span> <a class="code" href="classCLAM_1_1NetworkPlayer.html" title="A NetworkPlayer is an object that controls the playback of a Network providing a high level transport...">NetworkPlayer</a></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">int</span> mPreferredBufferSize;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">int</span> mSamplingRate;</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  PaStream * mPortAudioStream;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  PaError mError;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  std::string mErrorMessage;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">bool</span> mNeedsPriority;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="comment">//When created in the prototyper</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classCLAM_1_1PANetworkPlayer.html#aaf993656b6c8e072bdcbed6c10f1caa7">PANetworkPlayer</a>(<span class="keyword">const</span> std::string & networkFile);</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">//When created in neteditor</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="classCLAM_1_1PANetworkPlayer.html#aaf993656b6c8e072bdcbed6c10f1caa7">PANetworkPlayer</a>();</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">virtual</span> <a class="code" href="classCLAM_1_1PANetworkPlayer.html#a373f2f24278530c1e56e9151483a8c7a">~PANetworkPlayer</a>();</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// base class (virtual) interface:</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1PANetworkPlayer.html#ad0eebdd034e21ffa963f69f8d3698d2a" title="Should return true when the backend is able to run the network.">IsWorking</a>();</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  std::string <a class="code" href="classCLAM_1_1PANetworkPlayer.html#aaa649fb8469d69b3ef1247a9e53bfc3c" title="Whenever the backend is not working, this method returns the reason.">NonWorkingReason</a>();</div>
<div class="line"><a name="l00054"></a><span class="lineno"><a class="code" href="classCLAM_1_1PANetworkPlayer.html#ab91175e737f6ea14dc0aa01c0b75d318"> 54</a></span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classCLAM_1_1PANetworkPlayer.html#ab91175e737f6ea14dc0aa01c0b75d318">IsRealTime</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> <span class="keyword">true</span>; }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PANetworkPlayer.html#ae2280e089efa1117a13a84cfd5946ee8" title="Redefine to make the backend ready to process and start the network. If IsPlaying() should do nothing...">Start</a>();</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1PANetworkPlayer.html#a90049d0f3c971767f4e4e63677bf6577" title="Redefine it to deactivate the backend.">Stop</a>();</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> ProcessCallback (</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">const</span> <span class="keywordtype">void</span> *inputBuffers,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> *outputBuffers,</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> framesPerBuffer,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> PaStreamCallbackTimeInfo* timeInfo,</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  PaStreamCallbackFlags statusFlags,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> *userData);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keyword">inline</span> <span class="keywordtype">bool</span> CheckPaError(PaError result);</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">//Buffer copying methods</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> Do(<span class="keyword">const</span> <span class="keywordtype">void</span> *inputBuffers, <span class="keywordtype">void</span> *outputBuffers, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> framesPerBuffer);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span> DoInPorts(<span class="keywordtype">float</span>** input, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">void</span> DoOutPorts(<span class="keywordtype">float</span>** output, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordtype">void</span> MuteOutBuffers(<span class="keywordtype">float</span>** output, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> };</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> } <span class="comment">//end namespace CLAM</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span></div>
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