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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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<a href="RtAAudioDevice_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> </div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#ifndef __RtAAudioDevice_hxx__</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor"></span><span class="preprocessor">#define __RtAAudioDevice_hxx__</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "<a class="code" href="RtAudio_8hxx.html">RtAudio.hxx</a>"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "<a class="code" href="AudioIO_8hxx.html">AudioIO.hxx</a>"</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "<a class="code" href="AudioIn_8hxx.html">AudioIn.hxx</a>"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="AudioOut_8hxx.html">AudioOut.hxx</a>"</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="AudioDeviceList_8hxx.html">AudioDeviceList.hxx</a>"</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="AudioDevice_8hxx.html">AudioDevice.hxx</a>"</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <cstdio></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#ifdef __MACOSX_CORE__</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor"></span><span class="preprocessor">#define MACOSX_WORKAROUND</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#ifdef __MACOSX_CORE__</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor"></span><span class="comment">/* a kludgy factor 2 (22050->44100) sample rate conversion</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">** because macosx drivers do not handle 22050 */</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#define FACTOR2SRC_KLUDGE</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span>CLAM</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> {</div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9"> 27</a></span>  <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> <a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>;</div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="RtAAudioDevice_8hxx.html#ac8dc47e3b39c930caed4bfd05b4ba805"> 28</a></span> <span class="preprocessor"> #define FORMAT RtAudio::RTAUDIO_SINT16</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"><a class="code" href="classCLAM_1_1RtAAudioDevice.html"> 29</a></span> <span class="preprocessor"></span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1RtAAudioDevice.html">RtAAudioDevice</a>: <span class="keyword">public</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="l00030"></a><span class="lineno"> 30</span>  {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">class </span>Buffer</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">friend</span> <span class="keyword">class </span><a class="code" href="classCLAM_1_1RtAAudioDevice.html">RtAAudioDevice</a>;</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  Buffer(<span class="keywordtype">int</span> channels = 0,<span class="keywordtype">int</span> frames = 0)</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  mData = 0;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  Alloc(channels,frames);</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  mChannelsDone = 0;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  mReadIndex = 0;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  mWriteIndex = 0;</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="keywordtype">void</span> Alloc(<span class="keywordtype">int</span> channels = 0,<span class="keywordtype">int</span> frames = 0)</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">if</span> (mData) <span class="keyword">delete</span> mData;</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  mChannels = channels;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  mFrames = frames;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (mChannels && mFrames)</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>  mData = <span class="keyword">new</span> <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>[mChannels*mFrames];</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }<span class="keywordflow">else</span>{</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  mData = 0;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  }</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>* mData;</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">int</span> mReadIndex;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">int</span> mWriteIndex;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> mChannels;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">int</span> mChannelsDone;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">int</span> mFrames;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">int</span> Filled(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> mWriteIndex >= mReadIndex ? </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  mWriteIndex - mReadIndex : </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  mWriteIndex + mFrames - mReadIndex;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">void</span> CopyTo(<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>* ptr,<span class="keywordtype">int</span> frames)</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  {</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordtype">int</span> cnt = frames*mChannels;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordtype">int</span> limit = mFrames*mChannels;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordtype">int</span> i = mReadIndex*mChannels;</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">#ifdef DEBUG_RDWR_POS </span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"></span> printf(<span class="stringliteral">"copyto: r=%d %d\n"</span>,mReadIndex,frames);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#endif </span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (cnt--)</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  {</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  *ptr++ = (<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>)(mData[i++]*32767.);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">if</span> (i==limit) i = 0;</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>  mReadIndex += frames;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (mReadIndex >= mFrames) mReadIndex -= mFrames;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</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> <span class="preprocessor">#ifdef FACTOR2SRC_KLUDGE</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"></span> <span class="keywordtype">void</span> CopyToFactor2SRC(<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>* ptr,<span class="keywordtype">int</span> frames)</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">int</span> cnt = frames*mChannels;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">int</span> limit = mFrames*mChannels;</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">int</span> i = mReadIndex*mChannels;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#ifdef DEBUG_RDWR_POS </span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"></span> printf(<span class="stringliteral">"copyto: r=%d %d\n"</span>,mReadIndex,frames);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#endif </span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (cnt--)</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>  *ptr++ = (<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>)(mData[i]*32767.);</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  *ptr++ = (<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>)(mData[i]*32767.);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  i++;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (i==limit) i = 0;</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>  mReadIndex += frames;</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (mReadIndex >= mFrames) mReadIndex -= mFrames;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">void</span> CopyFrom(<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>* ptr,<span class="keywordtype">int</span> frames)</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">int</span> cnt = frames*mChannels;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordtype">int</span> limit = mFrames*mChannels;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordtype">int</span> i = mWriteIndex*mChannels;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#ifdef DEBUG_RDWR_POS </span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"></span> printf(<span class="stringliteral">"copyfrom: w=%d %d\n"</span>,mWriteIndex,frames);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#endif </span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (cnt--)</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  mData[i++] = <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>(*ptr++)/32767.;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">if</span> (i==limit) i = 0;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  mWriteIndex += frames;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (mWriteIndex >= mFrames) mWriteIndex -= mFrames;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  }</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#ifdef FACTOR2SRC_KLUDGE</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor"></span> <span class="keywordtype">void</span> CopyFromDoFactor2SRC(<a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a>* ptr,<span class="keywordtype">int</span> frames)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordtype">int</span> cnt = frames*mChannels;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">int</span> limit = mFrames*mChannels;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">int</span> i = mWriteIndex*mChannels;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#ifdef DEBUG_RDWR_POS </span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor"></span> printf(<span class="stringliteral">"copyfrom: w=%d %d\n"</span>,mWriteIndex,frames);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor">#endif </span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (cnt--)</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> t = <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>(*ptr++);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  t += <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>(*ptr++);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  t /= 65534.;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  mData[i++] = t;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (i==limit) i = 0;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  mWriteIndex += frames;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (mWriteIndex >= mFrames) mWriteIndex -= mFrames;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  }</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#endif </span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordtype">void</span> ChannelCopyFrom(<a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>* ptr,<span class="keywordtype">int</span> size,<span class="keywordtype">int</span> chnId)</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  {</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordtype">int</span> i = mWriteIndex*mChannels+chnId;</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordtype">int</span> n = size;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">int</span> limit = mChannels*mFrames;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#ifdef DEBUG_RDWR_POS </span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"></span> printf(<span class="stringliteral">"ChannelCopyFrom: w=%d %d\n"</span>,mWriteIndex,size);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="preprocessor"></span> fflush(stdout);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">while</span> (n--)</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  mData[i] = *ptr++;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  i += mChannels;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">if</span> (i>=limit) i = chnId;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  mChannelsDone++;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> (mChannelsDone==mChannels)</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  mWriteIndex += size;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (mWriteIndex >= mFrames) mWriteIndex -= mFrames;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  mChannelsDone = 0;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  }</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordtype">void</span> ChannelCopyTo(<a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>* ptr,<span class="keywordtype">int</span> size,<span class="keywordtype">int</span> chnId)</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordtype">int</span> i = mReadIndex*mChannels+chnId;</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordtype">int</span> n = size;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">int</span> limit = mChannels*mFrames;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#ifdef DEBUG_RDWR_POS </span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"></span> printf(<span class="stringliteral">"ChannelCopyTo: r=%d %d\n"</span>,mReadIndex,size);</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"></span> <span class="keywordflow">while</span> (n--)</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  *ptr++ = mData[i];</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  i += mChannels;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (i>=limit) i = chnId;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  }</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  mChannelsDone++;</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (mChannelsDone==mChannels)</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  mReadIndex += size;</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (mReadIndex >= mFrames) mReadIndex -= mFrames;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  mChannelsDone = 0;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  };</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ class.">RtAudio</a> *mRtAudio;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordtype">int</span> mRtAudioStream;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <a class="code" href="namespaceCLAM.html#a7d5dc5b18bb2562a563cae4c1fa419b9">MY_TYPE</a> *mRtAudioBuffer;</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">int</span> mRtAudioBufferSize;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="preprocessor">#ifdef MACOSX_WORKAROUND</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor"></span> <span class="keywordtype">int</span> mInternalRtAudioBufferSize;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="preprocessor"></span> Buffer mWriteBuffer;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  Buffer mReadBuffer;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordtype">bool</span> mStarted;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">bool</span> mTickOnRead;</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">bool</span> mTickOnWrite;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordtype">int</span> mDevice;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> <span class="preprocessor">#ifdef FACTOR2SRC_KLUDGE</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor"></span> <span class="keywordtype">bool</span> mDoFactor2SRC;</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor"></span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <a class="code" href="classCLAM_1_1RtAAudioDevice.html#a2f546488b033fe8e1728a9e36a8ba62d">RtAAudioDevice</a>(<span class="keyword">const</span> std::string& name,<span class="keywordtype">int</span> _device);</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="classCLAM_1_1RtAAudioDevice.html#a8820d1d1ee0d7ded1b590e6aca7d174e">~RtAAudioDevice</a>();</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  </div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDevice.html#adea6a0d53bf6feb5fcf190bf14d7bc81" title="This method must be called to begin the use of this Device.">Start</a>(<span class="keywordtype">void</span>) <span class="keywordflow">throw</span>(<a class="code" href="classCLAM_1_1Err.html" title="Base class for the exception handling classes.">Err</a>);</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDevice.html#ad23fcbc06ad5dfe1d483c9e411165266" title="This method must be called to end the use of this Device.">Stop</a>(<span class="keywordtype">void</span>) <span class="keywordflow">throw</span>(<a class="code" href="classCLAM_1_1Err.html" title="Base class for the exception handling classes.">Err</a>);</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDevice.html#ab7517f46e4e91fb6329635544dcb634a">Tick</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDevice.html#ab989852d342ce9a9df97286d34bb2899" title="Reads the information given by this Device and passes data to an Audio chunk.">Read</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>& audio,<span class="keyword">const</span> <span class="keywordtype">int</span> channelID);</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDevice.html#ad52c49a2c69669dee08f496f1c262f5a" title="Writes the information given by an Audio chunk in the Devices.">Write</a>(<span class="keyword">const</span> <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>& audio,<span class="keyword">const</span> <span class="keywordtype">int</span> channelID);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  };</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a name="l00231"></a><span class="lineno"><a class="code" href="classCLAM_1_1RtAAudioDeviceList.html"> 231</a></span>  <span class="keyword">class </span><a class="code" href="classCLAM_1_1RtAAudioDeviceList.html">RtAAudioDeviceList</a> : <span class="keyword">public</span> <a class="code" href="classCLAM_1_1AudioDeviceList.html" title="This abstract class allows you to retrieve a list of all available devices (strings) for a certain ar...">AudioDeviceList</a></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  {</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keyword">static</span> <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html">RtAAudioDeviceList</a> sDevices;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html">RtAAudioDeviceList</a>();</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  std::vector< int > mDevIDs;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> </div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html#a80c5a7f7d19d5b2a79a265f03ef2140d">EnumerateAvailableDevices</a>() <span class="keywordflow">throw</span> ( <a class="code" href="classCLAM_1_1Err.html" title="Base class for the exception handling classes.">Err</a> );</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> </div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keyword">virtual</span> <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html#a52736adcfa3e82a753359e86adae2e67">~RtAAudioDeviceList</a>();</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> </div>
<div class="line"><a name="l00248"></a><span class="lineno"><a class="code" href="classCLAM_1_1RtAAudioDeviceList.html#a24d91e54856da60536fd55c17316e074"> 248</a></span>  <span class="keyword">inline</span> std::string <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html#a24d91e54856da60536fd55c17316e074" title="Pure virtual function that the concrete AudioDeviceList class implements to get the name of the defau...">DefaultDevice</a>()</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  <span class="keywordflow">return</span> <span class="stringliteral">"default"</span>;</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html#aece6becc31721d80447935e76579e050">init</a>();</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> </div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <a class="code" href="classCLAM_1_1AudioDevice.html" title="This is the abstract base class for an audio device.">AudioDevice</a>* <a class="code" href="classCLAM_1_1RtAAudioDeviceList.html#a14c0ce14c23dcd42a535df758eb66289" title="Pure virtual function that the concrete AudioDeviceList class implements to create a concrete AudioDe...">Create</a>( <span class="keyword">const</span> std::string& name, <span class="keyword">const</span> std::string& device );</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> </div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  };</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> </div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> } <span class="comment">// namespace CLAM</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> </div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="preprocessor">#endif // __RtAAudioDevice_hxx__</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor"></span></div>
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