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Carla/source/backend/engine/rtaudio-4.0.12/doc/html/RtAudio_8h_source.html

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  1. <HTML>

  2. <HEAD>

  3. <TITLE>The RtAudio Home Page</TITLE>

  4. <LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">

  5. <LINK REL="SHORTCUT ICON" HREF="http://www.music.mcgill.ca/~gary/favicon.ico">

  6. </HEAD>

  7. <BODY BGCOLOR="#FFFFFF">

  8. <CENTER>

  9. <a class="qindex" href="index.html">Home</a> &nbsp; <a class="qindex" href="annotated.html">Class/Enum List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; </CENTER>

  10. <HR>

  11. <!-- Generated by Doxygen 1.8.2 -->

  12. </div><!-- top -->

  13. <div class="header">

  14.   <div class="headertitle">

  15. <div class="title">RtAudio.h</div>  </div>

  16. </div><!--header-->

  17. <div class="contents">

  18. <a href="RtAudio_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/************************************************************************/</span></div>

  19. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">/************************************************************************/</span></div>

  20. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div>

  21. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#ifndef __RTAUDIO_H</span></div>

  22. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define __RTAUDIO_H</span></div>

  23. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor"></span></div>

  24. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>

  25. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>

  26. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="preprocessor">#include &quot;RtError.h&quot;</span></div>

  27. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>

  28. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">// RtAudio version</span></div>

  29. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> std::string VERSION( <span class="stringliteral">&quot;4.0.12&quot;</span> );</div>

  30. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div>

  31. <div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8">   71</a></span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a>;</div>

  32. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT8 = 0x1;    <span class="comment">// 8-bit signed integer.</span></div>

  33. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT16 = 0x2;   <span class="comment">// 16-bit signed integer.</span></div>

  34. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT24 = 0x4;   <span class="comment">// 24-bit signed integer.</span></div>

  35. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT32 = 0x8;   <span class="comment">// 32-bit signed integer.</span></div>

  36. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_FLOAT32 = 0x10; <span class="comment">// Normalized between plus/minus 1.0.</span></div>

  37. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_FLOAT64 = 0x20; <span class="comment">// Normalized between plus/minus 1.0.</span></div>

  38. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;</div>

  39. <div class="line"><a name="l00121"></a><span class="lineno"><a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41">  121</a></span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a>;</div>

  40. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_NONINTERLEAVED = 0x1;    <span class="comment">// Use non-interleaved buffers (default = interleaved).</span></div>

  41. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_MINIMIZE_LATENCY = 0x2;  <span class="comment">// Attempt to set stream parameters for lowest possible latency.</span></div>

  42. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_HOG_DEVICE = 0x4;        <span class="comment">// Attempt grab device and prevent use by others.</span></div>

  43. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_SCHEDULE_REALTIME = 0x8; <span class="comment">// Try to select realtime scheduling for callback thread.</span></div>

  44. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_ALSA_USE_DEFAULT = 0x10; <span class="comment">// Use the &quot;default&quot; PCM device (ALSA only).</span></div>

  45. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;</div>

  46. <div class="line"><a name="l00139"></a><span class="lineno"><a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806">  139</a></span>&#160;<span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a>;</div>

  47. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a> RTAUDIO_INPUT_OVERFLOW = 0x1;    <span class="comment">// Input data was discarded because of an overflow condition at the driver.</span></div>

  48. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a> RTAUDIO_OUTPUT_UNDERFLOW = 0x2;  <span class="comment">// The output buffer ran low, likely causing a gap in the output sound.</span></div>

  49. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;</div>

  50. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;</div>

  51. <div class="line"><a name="l00182"></a><span class="lineno"><a class="code" href="RtAudio_8h.html#a112c7b7e25a974977f6fc094cef1a31f">  182</a></span>&#160;<span class="keyword">typedef</span> int (*<a class="code" href="RtAudio_8h.html#a112c7b7e25a974977f6fc094cef1a31f" title="RtAudio callback function prototype.">RtAudioCallback</a>)( <span class="keywordtype">void</span> *outputBuffer, <span class="keywordtype">void</span> *inputBuffer,</div>

  52. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;                                <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nFrames,</div>

  53. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;                                <span class="keywordtype">double</span> streamTime,</div>

  54. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;                                <a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a> status,</div>

  55. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;                                <span class="keywordtype">void</span> *userData );</div>

  56. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;</div>

  57. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;</div>

  58. <div class="line"><a name="l00193"></a><span class="lineno"><a class="code" href="RtAudio_8h.html#a2c8c34d284ae138dd29b53375ec9f062">  193</a></span>&#160;<span class="keyword">typedef</span> void (*<a class="code" href="RtAudio_8h.html#a2c8c34d284ae138dd29b53375ec9f062" title="RtAudio error callback function prototype.">RtAudioErrorCallback</a>)( <a class="code" href="classRtError.html#ab04667aae01bffc354a9ac6bda6903ac" title="Defined RtError types.">RtError::Type</a> type, <span class="keyword">const</span> std::string &amp;errorText );</div>

  59. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;</div>

  60. <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;<span class="comment">// **************************************************************** //</span></div>

  61. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment">//</span></div>

  62. <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="comment">// RtAudio class declaration.</span></div>

  63. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">//</span></div>

  64. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">// RtAudio is a &quot;controller&quot; used to select an available audio i/o</span></div>

  65. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">// interface.  It presents a common API for the user to call but all</span></div>

  66. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;<span class="comment">// functionality is implemented by the class RtApi and its</span></div>

  67. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;<span class="comment">// subclasses.  RtAudio creates an instance of an RtApi subclass</span></div>

  68. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;<span class="comment">// based on the user&#39;s API choice.  If no choice is made, RtAudio</span></div>

  69. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="comment">// attempts to make a &quot;logical&quot; API selection.</span></div>

  70. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;<span class="comment">//</span></div>

  71. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;<span class="comment">// **************************************************************** //</span></div>

  72. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div>

  73. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;<span class="keyword">class </span>RtApi;</div>

  74. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;</div>

  75. <div class="line"><a name="l00210"></a><span class="lineno"><a class="code" href="classRtAudio.html">  210</a></span>&#160;<span class="keyword">class </span><a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a></div>

  76. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;{</div>

  77. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160; <span class="keyword">public</span>:</div>

  78. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div>

  79. <div class="line"><a name="l00215"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849">  215</a></span>&#160;  <span class="keyword">enum</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> {</div>

  80. <div class="line"><a name="l00216"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa49af3ac767106158bc6cad74fb214ae">  216</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa49af3ac767106158bc6cad74fb214ae">UNSPECIFIED</a>,    </div>

  81. <div class="line"><a name="l00217"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa7a2ba095c2806caa893b6fb8fc3a1a8">  217</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa7a2ba095c2806caa893b6fb8fc3a1a8">LINUX_ALSA</a>,     </div>

  82. <div class="line"><a name="l00218"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849adc17dff310e85d303fb326c837c08d77">  218</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849adc17dff310e85d303fb326c837c08d77">LINUX_PULSE</a>,    </div>

  83. <div class="line"><a name="l00219"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a39c84615e61de75e6a4e865596d62c82">  219</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a39c84615e61de75e6a4e865596d62c82">LINUX_OSS</a>,      </div>

  84. <div class="line"><a name="l00220"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a4767e17c6edfbd827f91763915df4105">  220</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a4767e17c6edfbd827f91763915df4105">UNIX_JACK</a>,      </div>

  85. <div class="line"><a name="l00221"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a9fec92b8272244a87a6a11a717bd662d">  221</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a9fec92b8272244a87a6a11a717bd662d">MACOSX_CORE</a>,    </div>

  86. <div class="line"><a name="l00222"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a219517d1df90f94d07758481155bd469">  222</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a219517d1df90f94d07758481155bd469">WINDOWS_ASIO</a>,   </div>

  87. <div class="line"><a name="l00223"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a28478830f42c2fd61e6c7ad498901931">  223</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a28478830f42c2fd61e6c7ad498901931">WINDOWS_DS</a>,     </div>

  88. <div class="line"><a name="l00224"></a><span class="lineno"><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849ab06b8fd88bf18c9a2b8271f6961ae2d1">  224</a></span>&#160;    <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849ab06b8fd88bf18c9a2b8271f6961ae2d1">RTAUDIO_DUMMY</a>   </div>

  89. <div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  };</div>

  90. <div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;</div>

  91. <div class="line"><a name="l00228"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html">  228</a></span>&#160;  <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">DeviceInfo</a> {</div>

  92. <div class="line"><a name="l00229"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a97573717ccb1e75a834a0a108cd6982d">  229</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a97573717ccb1e75a834a0a108cd6982d">probed</a>;                  </div>

  93. <div class="line"><a name="l00230"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a24df596ab8d54f2eb540c7cf16212b3b">  230</a></span>&#160;    std::string <a class="code" href="structRtAudio_1_1DeviceInfo.html#a24df596ab8d54f2eb540c7cf16212b3b">name</a>;             </div>

  94. <div class="line"><a name="l00231"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a81aaf488f8158ef55b1bb678f66feb7d">  231</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a81aaf488f8158ef55b1bb678f66feb7d">outputChannels</a>;  </div>

  95. <div class="line"><a name="l00232"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a56247b458a937ae84d98ca9c4b243275">  232</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a56247b458a937ae84d98ca9c4b243275">inputChannels</a>;   </div>

  96. <div class="line"><a name="l00233"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a3e8ad34c2d14e24293a0beafc26186e7">  233</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a3e8ad34c2d14e24293a0beafc26186e7">duplexChannels</a>;  </div>

  97. <div class="line"><a name="l00234"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a5365245e73ffe29a05734de4474acd58">  234</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a5365245e73ffe29a05734de4474acd58">isDefaultOutput</a>;         </div>

  98. <div class="line"><a name="l00235"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a7c8aca084bd908799b6be5954b80def2">  235</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a7c8aca084bd908799b6be5954b80def2">isDefaultInput</a>;          </div>

  99. <div class="line"><a name="l00236"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#afa65f5f92f66ce7aacd3ff35e11b230f">  236</a></span>&#160;    std::vector&lt;unsigned int&gt; <a class="code" href="structRtAudio_1_1DeviceInfo.html#afa65f5f92f66ce7aacd3ff35e11b230f">sampleRates</a>; </div>

  100. <div class="line"><a name="l00237"></a><span class="lineno"><a class="code" href="structRtAudio_1_1DeviceInfo.html#a23251b549b89b2fe04a57fcd7cb76ea4">  237</a></span>&#160;    <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a23251b549b89b2fe04a57fcd7cb76ea4">nativeFormats</a>;  </div>

  101. <div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;    <span class="comment">// Default constructor.</span></div>

  102. <div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;    <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">DeviceInfo</a>()</div>

  103. <div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;      :<a class="code" href="structRtAudio_1_1DeviceInfo.html#a97573717ccb1e75a834a0a108cd6982d">probed</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#a81aaf488f8158ef55b1bb678f66feb7d">outputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#a56247b458a937ae84d98ca9c4b243275">inputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#a3e8ad34c2d14e24293a0beafc26186e7">duplexChannels</a>(0),</div>

  104. <div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;       <a class="code" href="structRtAudio_1_1DeviceInfo.html#a5365245e73ffe29a05734de4474acd58">isDefaultOutput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#a7c8aca084bd908799b6be5954b80def2">isDefaultInput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#a23251b549b89b2fe04a57fcd7cb76ea4">nativeFormats</a>(0) {}</div>

  105. <div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  };</div>

  106. <div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;</div>

  107. <div class="line"><a name="l00246"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamParameters.html">  246</a></span>&#160;  <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamParameters.html" title="The structure for specifying input or ouput stream parameters.">StreamParameters</a> {</div>

  108. <div class="line"><a name="l00247"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamParameters.html#ab3c72bcf3ef12149ae9a4fb597cc5489">  247</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#ab3c72bcf3ef12149ae9a4fb597cc5489">deviceId</a>;     </div>

  109. <div class="line"><a name="l00248"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamParameters.html#a88a10091b6e284e21235cc6f25332ebd">  248</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#a88a10091b6e284e21235cc6f25332ebd">nChannels</a>;    </div>

  110. <div class="line"><a name="l00249"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamParameters.html#ad4b4503782653ec93c83328c46abe50c">  249</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#ad4b4503782653ec93c83328c46abe50c">firstChannel</a>; </div>

  111. <div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;    <span class="comment">// Default constructor.</span></div>

  112. <div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;    <a class="code" href="structRtAudio_1_1StreamParameters.html" title="The structure for specifying input or ouput stream parameters.">StreamParameters</a>()</div>

  113. <div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;      : <a class="code" href="structRtAudio_1_1StreamParameters.html#ab3c72bcf3ef12149ae9a4fb597cc5489">deviceId</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#a88a10091b6e284e21235cc6f25332ebd">nChannels</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#ad4b4503782653ec93c83328c46abe50c">firstChannel</a>(0) {}</div>

  114. <div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;  };</div>

  115. <div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;</div>

  116. <div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;</div>

  117. <div class="line"><a name="l00313"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamOptions.html">  313</a></span>&#160;  <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">StreamOptions</a> {</div>

  118. <div class="line"><a name="l00314"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamOptions.html#a0ecc98b031aa3af49d09b781643e298b">  314</a></span>&#160;    <a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> <a class="code" href="structRtAudio_1_1StreamOptions.html#a0ecc98b031aa3af49d09b781643e298b">flags</a>;      </div>

  119. <div class="line"><a name="l00315"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamOptions.html#a75a14cfab903d0e1c091bc16aec80240">  315</a></span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#a75a14cfab903d0e1c091bc16aec80240">numberOfBuffers</a>;  </div>

  120. <div class="line"><a name="l00316"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamOptions.html#a2a4b0b8d690c624d20f4e8f4be6ca9ba">  316</a></span>&#160;    std::string <a class="code" href="structRtAudio_1_1StreamOptions.html#a2a4b0b8d690c624d20f4e8f4be6ca9ba">streamName</a>;        </div>

  121. <div class="line"><a name="l00317"></a><span class="lineno"><a class="code" href="structRtAudio_1_1StreamOptions.html#adfd267059434edb21573c584e6367def">  317</a></span>&#160;    <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#adfd267059434edb21573c584e6367def">priority</a>;                  </div>

  122. <div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;    <span class="comment">// Default constructor.</span></div>

  123. <div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;    <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">StreamOptions</a>()</div>

  124. <div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;    : <a class="code" href="structRtAudio_1_1StreamOptions.html#a0ecc98b031aa3af49d09b781643e298b">flags</a>(0), <a class="code" href="structRtAudio_1_1StreamOptions.html#a75a14cfab903d0e1c091bc16aec80240">numberOfBuffers</a>(0), <a class="code" href="structRtAudio_1_1StreamOptions.html#adfd267059434edb21573c584e6367def">priority</a>(0) {}</div>

  125. <div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;  };</div>

  126. <div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;</div>

  127. <div class="line"><a name="l00325"></a><span class="lineno"><a class="code" href="classRtAudio.html#afee36f6d32f4744ffa7471a0ce7a3856">  325</a></span>&#160;  <span class="keyword">static</span> std::string <a class="code" href="classRtAudio.html#afee36f6d32f4744ffa7471a0ce7a3856" title="A static function to determine the current RtAudio version.">getVersion</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> VERSION; } </div>

  128. <div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;</div>

  129. <div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;</div>

  130. <div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;  <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ae266ffad2ef428d0b2c6c262d391ce26" title="A static function to determine the available compiled audio APIs.">getCompiledApi</a>( std::vector&lt;RtAudio::Api&gt; &amp;apis ) <span class="keywordflow">throw</span>();</div>

  131. <div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;</div>

  132. <div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;</div>

  133. <div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;  <a class="code" href="classRtAudio.html#afd0bfa26deae9804e18faff59d0273d9" title="The class constructor.">RtAudio</a>( <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> api=<a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa49af3ac767106158bc6cad74fb214ae">UNSPECIFIED</a> ) throw();</div>

  134. <div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;</div>

  135. <div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;</div>

  136. <div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;  ~<a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>() throw();</div>

  137. <div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;</div>

  138. <div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;  <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::<a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) throw();</div>

  139. <div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;</div>

  140. <div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;</div>

  141. <div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> ) throw();</div>

  142. <div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;</div>

  143. <div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;</div>

  144. <div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;  <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::DeviceInfo <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  145. <div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;</div>

  146. <div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;</div>

  147. <div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw();</div>

  148. <div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;</div>

  149. <div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;</div>

  150. <div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw();</div>

  151. <div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;</div>

  152. <div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;</div>

  153. <div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a6907539d2527775df778ebce32ef1e3b" title="A public function for opening a stream with the specified parameters.">openStream</a>( <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::StreamParameters *outputParameters,</div>

  154. <div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                   <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::StreamParameters *inputParameters,</div>

  155. <div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;                   <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  156. <div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;                   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#a112c7b7e25a974977f6fc094cef1a31f" title="RtAudio callback function prototype.">RtAudioCallback</a> callback,</div>

  157. <div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;                   <span class="keywordtype">void</span> *userData = NULL, <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::StreamOptions *options = NULL, <a class="code" href="RtAudio_8h.html#a2c8c34d284ae138dd29b53375ec9f062" title="RtAudio error callback function prototype.">RtAudioErrorCallback</a> errorCallback = NULL );</div>

  158. <div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;</div>

  159. <div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;</div>

  160. <div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> ) throw();</div>

  161. <div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;</div>

  162. <div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;</div>

  163. <div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  164. <div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;</div>

  165. <div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;</div>

  166. <div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  167. <div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;</div>

  168. <div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;</div>

  169. <div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  170. <div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;</div>

  171. <div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a3863e45ff81dbe97176de0ee7545917f" title="Returns true if a stream is open and false if not.">isStreamOpen</a>( <span class="keywordtype">void</span> ) const throw();</div>

  172. <div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;</div>

  173. <div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a84cc8d9b7ab9bc5f37bcf48430ec5aea" title="Returns true if the stream is running and false if it is stopped or not open.">isStreamRunning</a>( <span class="keywordtype">void</span> ) const throw();</div>

  174. <div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;</div>

  175. <div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;</div>

  176. <div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;  <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a344e59a62353c5791db4621b985cb2ca" title="Returns the number of elapsed seconds since the stream was started.">getStreamTime</a>( <span class="keywordtype">void</span> );</div>

  177. <div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;</div>

  178. <div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;</div>

  179. <div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;  <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );</div>

  180. <div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;</div>

  181. <div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;</div>

  182. <div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a28214b8b05d60b45c24ee6fae7b2a0b5" title="Returns actual sample rate in use by the stream.">getStreamSampleRate</a>( <span class="keywordtype">void</span> );</div>

  183. <div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;</div>

  184. <div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af0752ee51cce3dd90a3bd009f9fdbe77" title="Specify whether warning messages should be printed to stderr.">showWarnings</a>( <span class="keywordtype">bool</span> value = true ) throw();</div>

  185. <div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;</div>

  186. <div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160; protected:</div>

  187. <div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;</div>

  188. <div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;  <span class="keywordtype">void</span> openRtApi( <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::<a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> api );</div>

  189. <div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;  RtApi *rtapi_;</div>

  190. <div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;};</div>

  191. <div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;</div>

  192. <div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="comment">// Operating system dependent thread functionality.</span></div>

  193. <div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="preprocessor">#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__)</span></div>

  194. <div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="preprocessor"></span><span class="preprocessor">  #include &lt;windows.h&gt;</span></div>

  195. <div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="preprocessor">  #include &lt;process.h&gt;</span></div>

  196. <div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;</div>

  197. <div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ThreadHandle;</div>

  198. <div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;  <span class="keyword">typedef</span> CRITICAL_SECTION StreamMutex;</div>

  199. <div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;</div>

  200. <div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;<span class="preprocessor">#elif defined(__LINUX_ALSA__) || defined(__LINUX_PULSE__) || defined(__UNIX_JACK__) || defined(__LINUX_OSS__) || defined(__MACOSX_CORE__)</span></div>

  201. <div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;<span class="preprocessor"></span>  <span class="comment">// Using pthread library for various flavors of unix.</span></div>

  202. <div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="preprocessor">  #include &lt;pthread.h&gt;</span></div>

  203. <div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;</div>

  204. <div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;  <span class="keyword">typedef</span> pthread_t ThreadHandle;</div>

  205. <div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;  <span class="keyword">typedef</span> pthread_mutex_t StreamMutex;</div>

  206. <div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;</div>

  207. <div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="preprocessor">#else // Setup for &quot;dummy&quot; behavior</span></div>

  208. <div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;<span class="preprocessor"></span></div>

  209. <div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;<span class="preprocessor">  #define __RTAUDIO_DUMMY__</span></div>

  210. <div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;<span class="preprocessor"></span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> ThreadHandle;</div>

  211. <div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">int</span> StreamMutex;</div>

  212. <div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;</div>

  213. <div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;<span class="preprocessor">#endif</span></div>

  214. <div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="preprocessor"></span></div>

  215. <div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;<span class="comment">// This global structure type is used to pass callback information</span></div>

  216. <div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;<span class="comment">// between the private RtAudio stream structure and global callback</span></div>

  217. <div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;<span class="comment">// handling functions.</span></div>

  218. <div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="keyword">struct </span>CallbackInfo {</div>

  219. <div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;  <span class="keywordtype">void</span> *object;    <span class="comment">// Used as a &quot;this&quot; pointer.</span></div>

  220. <div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;  ThreadHandle thread;</div>

  221. <div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;  <span class="keywordtype">void</span> *callback;</div>

  222. <div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;  <span class="keywordtype">void</span> *userData;</div>

  223. <div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;  <span class="keywordtype">void</span> *errorCallback;</div>

  224. <div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;  <span class="keywordtype">void</span> *apiInfo;   <span class="comment">// void pointer for API specific callback information</span></div>

  225. <div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;  <span class="keywordtype">bool</span> isRunning;</div>

  226. <div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;  <span class="keywordtype">bool</span> doRealtime;</div>

  227. <div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;  <span class="keywordtype">int</span> priority;</div>

  228. <div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;</div>

  229. <div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;  <span class="comment">// Default constructor.</span></div>

  230. <div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;  CallbackInfo()</div>

  231. <div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;  :object(0), callback(0), userData(0), errorCallback(0), apiInfo(0), isRunning(false), doRealtime(false) {}</div>

  232. <div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;};</div>

  233. <div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;</div>

  234. <div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="comment">// **************************************************************** //</span></div>

  235. <div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="comment">//</span></div>

  236. <div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;<span class="comment">// RtApi class declaration.</span></div>

  237. <div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;<span class="comment">//</span></div>

  238. <div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;<span class="comment">// Subclasses of RtApi contain all API- and OS-specific code necessary</span></div>

  239. <div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;<span class="comment">// to fully implement the RtAudio API.</span></div>

  240. <div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="comment">//</span></div>

  241. <div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;<span class="comment">// Note that RtApi is an abstract base class and cannot be</span></div>

  242. <div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;<span class="comment">// explicitly instantiated.  The class RtAudio will create an</span></div>

  243. <div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="comment">// instance of an RtApi subclass (RtApiOss, RtApiAlsa,</span></div>

  244. <div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="comment">// RtApiJack, RtApiCore, RtApiDs, or RtApiAsio).</span></div>

  245. <div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="comment">//</span></div>

  246. <div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment">// **************************************************************** //</span></div>

  247. <div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;</div>

  248. <div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="preprocessor">#pragma pack(push, 1)</span></div>

  249. <div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="preprocessor"></span><span class="keyword">class </span>S24 {</div>

  250. <div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;</div>

  251. <div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160; <span class="keyword">protected</span>:</div>

  252. <div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c3[3];</div>

  253. <div class="line"><a name="l00578"></a><span class="lineno">  578</span>&#160;</div>

  254. <div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160; <span class="keyword">public</span>:</div>

  255. <div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;  S24() {}</div>

  256. <div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;</div>

  257. <div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;  S24&amp; operator = ( <span class="keyword">const</span> <span class="keywordtype">int</span>&amp; i ) {</div>

  258. <div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;    c3[0] = (i &amp; 0x000000ff);</div>

  259. <div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    c3[1] = (i &amp; 0x0000ff00) &gt;&gt; 8;</div>

  260. <div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;    c3[2] = (i &amp; 0x00ff0000) &gt;&gt; 16;</div>

  261. <div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;    <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>

  262. <div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;  }</div>

  263. <div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;</div>

  264. <div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;  S24( <span class="keyword">const</span> S24&amp; v ) { *<span class="keyword">this</span> = v; }</div>

  265. <div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;  S24( <span class="keyword">const</span> <span class="keywordtype">double</span>&amp; d ) { *<span class="keyword">this</span> = (int) d; }</div>

  266. <div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;  S24( <span class="keyword">const</span> <span class="keywordtype">float</span>&amp; f ) { *<span class="keyword">this</span> = (int) f; }</div>

  267. <div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;  S24( <span class="keyword">const</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span>&amp; s ) { *<span class="keyword">this</span> = (int) s; }</div>

  268. <div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;  S24( <span class="keyword">const</span> <span class="keywordtype">char</span>&amp; c ) { *<span class="keyword">this</span> = (int) c; }</div>

  269. <div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;</div>

  270. <div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;  <span class="keywordtype">int</span> asInt() {</div>

  271. <div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;    <span class="keywordtype">int</span> i = c3[0] | (c3[1] &lt;&lt; 8) | (c3[2] &lt;&lt; 16);</div>

  272. <div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;    <span class="keywordflow">if</span> (i &amp; 0x800000) i |= ~0xffffff;</div>

  273. <div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;    <span class="keywordflow">return</span> i;</div>

  274. <div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;  }</div>

  275. <div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;};</div>

  276. <div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;<span class="preprocessor">#pragma pack(pop)</span></div>

  277. <div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;<span class="preprocessor"></span></div>

  278. <div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;<span class="preprocessor">#if defined( HAVE_GETTIMEOFDAY )</span></div>

  279. <div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;<span class="preprocessor"></span><span class="preprocessor">  #include &lt;sys/time.h&gt;</span></div>

  280. <div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;<span class="preprocessor">#endif</span></div>

  281. <div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;<span class="preprocessor"></span></div>

  282. <div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>

  283. <div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;</div>

  284. <div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;<span class="keyword">class </span>RtApi</div>

  285. <div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;{</div>

  286. <div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;<span class="keyword">public</span>:</div>

  287. <div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;</div>

  288. <div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;  RtApi();</div>

  289. <div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;  <span class="keyword">virtual</span> ~RtApi();</div>

  290. <div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;  <span class="keyword">virtual</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) = 0;</div>

  291. <div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> ) = 0;</div>

  292. <div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;  <span class="keyword">virtual</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) = 0;</div>

  293. <div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">getDefaultInputDevice</a>( <span class="keywordtype">void</span> );</div>

  294. <div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> );</div>

  295. <div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a6907539d2527775df778ebce32ef1e3b" title="A public function for opening a stream with the specified parameters.">openStream</a>( <a class="code" href="structRtAudio_1_1StreamParameters.html" title="The structure for specifying input or ouput stream parameters.">RtAudio::StreamParameters</a> *outputParameters,</div>

  296. <div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;                   <a class="code" href="structRtAudio_1_1StreamParameters.html" title="The structure for specifying input or ouput stream parameters.">RtAudio::StreamParameters</a> *inputParameters,</div>

  297. <div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;                   <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  298. <div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;                   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#a112c7b7e25a974977f6fc094cef1a31f" title="RtAudio callback function prototype.">RtAudioCallback</a> callback,</div>

  299. <div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;                   <span class="keywordtype">void</span> *userData, <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options,</div>

  300. <div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;                   <a class="code" href="RtAudio_8h.html#a2c8c34d284ae138dd29b53375ec9f062" title="RtAudio error callback function prototype.">RtAudioErrorCallback</a> errorCallback );</div>

  301. <div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  302. <div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> ) = 0;</div>

  303. <div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> ) = 0;</div>

  304. <div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> ) = 0;</div>

  305. <div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;  <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );</div>

  306. <div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a28214b8b05d60b45c24ee6fae7b2a0b5" title="Returns actual sample rate in use by the stream.">getStreamSampleRate</a>( <span class="keywordtype">void</span> );</div>

  307. <div class="line"><a name="l00632"></a><span class="lineno">  632</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a344e59a62353c5791db4621b985cb2ca" title="Returns the number of elapsed seconds since the stream was started.">getStreamTime</a>( <span class="keywordtype">void</span> );</div>

  308. <div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a3863e45ff81dbe97176de0ee7545917f" title="Returns true if a stream is open and false if not.">isStreamOpen</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{ <span class="keywordflow">return</span> stream_.state != STREAM_CLOSED; }</div>

  309. <div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;  <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a84cc8d9b7ab9bc5f37bcf48430ec5aea" title="Returns true if the stream is running and false if it is stopped or not open.">isStreamRunning</a>( <span class="keywordtype">void</span> )<span class="keyword"> const </span>{ <span class="keywordflow">return</span> stream_.state == STREAM_RUNNING; }</div>

  310. <div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af0752ee51cce3dd90a3bd009f9fdbe77" title="Specify whether warning messages should be printed to stderr.">showWarnings</a>( <span class="keywordtype">bool</span> value ) { showWarnings_ = value; }</div>

  311. <div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;</div>

  312. <div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;</div>

  313. <div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;<span class="keyword">protected</span>:</div>

  314. <div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;</div>

  315. <div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MAX_SAMPLE_RATES;</div>

  316. <div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SAMPLE_RATES[];</div>

  317. <div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;</div>

  318. <div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;  <span class="keyword">enum</span> { FAILURE, SUCCESS };</div>

  319. <div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;</div>

  320. <div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;  <span class="keyword">enum</span> StreamState {</div>

  321. <div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;    STREAM_STOPPED,</div>

  322. <div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;    STREAM_STOPPING,</div>

  323. <div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;    STREAM_RUNNING,</div>

  324. <div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;    STREAM_CLOSED = -50</div>

  325. <div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;  };</div>

  326. <div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;</div>

  327. <div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;  <span class="keyword">enum</span> StreamMode {</div>

  328. <div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;    OUTPUT,</div>

  329. <div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;    INPUT,</div>

  330. <div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;    DUPLEX,</div>

  331. <div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;    UNINITIALIZED = -75</div>

  332. <div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;  };</div>

  333. <div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;</div>

  334. <div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;  <span class="comment">// A protected structure used for buffer conversion.</span></div>

  335. <div class="line"><a name="l00660"></a><span class="lineno">  660</span>&#160;  <span class="keyword">struct </span>ConvertInfo {</div>

  336. <div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    <span class="keywordtype">int</span> channels;</div>

  337. <div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;    <span class="keywordtype">int</span> inJump, outJump;</div>

  338. <div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> inFormat, outFormat;</div>

  339. <div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;    std::vector&lt;int&gt; inOffset;</div>

  340. <div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;    std::vector&lt;int&gt; outOffset;</div>

  341. <div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;  };</div>

  342. <div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;</div>

  343. <div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;  <span class="comment">// A protected structure for audio streams.</span></div>

  344. <div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;  <span class="keyword">struct </span>RtApiStream {</div>

  345. <div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device[2];    <span class="comment">// Playback and record, respectively.</span></div>

  346. <div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;    <span class="keywordtype">void</span> *apiHandle;           <span class="comment">// void pointer for API specific stream handle information</span></div>

  347. <div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    StreamMode mode;           <span class="comment">// OUTPUT, INPUT, or DUPLEX.</span></div>

  348. <div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;    StreamState state;         <span class="comment">// STOPPED, RUNNING, or CLOSED</span></div>

  349. <div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;    <span class="keywordtype">char</span> *userBuffer[2];       <span class="comment">// Playback and record, respectively.</span></div>

  350. <div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;    <span class="keywordtype">char</span> *deviceBuffer;</div>

  351. <div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;    <span class="keywordtype">bool</span> doConvertBuffer[2];   <span class="comment">// Playback and record, respectively.</span></div>

  352. <div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;    <span class="keywordtype">bool</span> userInterleaved;</div>

  353. <div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;    <span class="keywordtype">bool</span> deviceInterleaved[2]; <span class="comment">// Playback and record, respectively.</span></div>

  354. <div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;    <span class="keywordtype">bool</span> doByteSwap[2];        <span class="comment">// Playback and record, respectively.</span></div>

  355. <div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate;</div>

  356. <div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferSize;</div>

  357. <div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBuffers;</div>

  358. <div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nUserChannels[2];    <span class="comment">// Playback and record, respectively.</span></div>

  359. <div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nDeviceChannels[2];  <span class="comment">// Playback and record channels, respectively.</span></div>

  360. <div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channelOffset[2];    <span class="comment">// Playback and record, respectively.</span></div>

  361. <div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;    <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> latency[2];         <span class="comment">// Playback and record, respectively.</span></div>

  362. <div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;    <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> userFormat;</div>

  363. <div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;    <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> deviceFormat[2];    <span class="comment">// Playback and record, respectively.</span></div>

  364. <div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;    StreamMutex mutex;</div>

  365. <div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;    CallbackInfo callbackInfo;</div>

  366. <div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;    ConvertInfo convertInfo[2];</div>

  367. <div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;    <span class="keywordtype">double</span> streamTime;         <span class="comment">// Number of elapsed seconds since the stream started.</span></div>

  368. <div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;</div>

  369. <div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;<span class="preprocessor">#if defined(HAVE_GETTIMEOFDAY)</span></div>

  370. <div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;<span class="preprocessor"></span>    <span class="keyword">struct </span>timeval lastTickTimestamp;</div>

  371. <div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;<span class="preprocessor">#endif</span></div>

  372. <div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;<span class="preprocessor"></span></div>

  373. <div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;    RtApiStream()</div>

  374. <div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;      :apiHandle(0), deviceBuffer(0) { device[0] = 11111; device[1] = 11111; }</div>

  375. <div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;  };</div>

  376. <div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;</div>

  377. <div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;  <span class="keyword">typedef</span> S24 Int24;</div>

  378. <div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> Int16;</div>

  379. <div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">int</span> Int32;</div>

  380. <div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">float</span> Float32;</div>

  381. <div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;  <span class="keyword">typedef</span> <span class="keywordtype">double</span> Float64;</div>

  382. <div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;</div>

  383. <div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;  std::ostringstream errorStream_;</div>

  384. <div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;  std::string errorText_;</div>

  385. <div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;  <span class="keywordtype">bool</span> showWarnings_;</div>

  386. <div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;  RtApiStream stream_;</div>

  387. <div class="line"><a name="l00712"></a><span class="lineno">  712</span>&#160;</div>

  388. <div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  389. <div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;                                <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  390. <div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;                                <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  391. <div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;                                <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  392. <div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;</div>

  393. <div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;  <span class="keywordtype">void</span> tickStreamTime( <span class="keywordtype">void</span> );</div>

  394. <div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;</div>

  395. <div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;  <span class="keywordtype">void</span> clearStreamInfo();</div>

  396. <div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;</div>

  397. <div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;  <span class="keywordtype">void</span> verifyStream( <span class="keywordtype">void</span> );</div>

  398. <div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;</div>

  399. <div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;  <span class="keywordtype">void</span> error( <a class="code" href="classRtError.html#ab04667aae01bffc354a9ac6bda6903ac" title="Defined RtError types.">RtError::Type</a> type );</div>

  400. <div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;</div>

  401. <div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;  <span class="keywordtype">void</span> convertBuffer( <span class="keywordtype">char</span> *outBuffer, <span class="keywordtype">char</span> *inBuffer, ConvertInfo &amp;info );</div>

  402. <div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;</div>

  403. <div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;  <span class="keywordtype">void</span> byteSwapBuffer( <span class="keywordtype">char</span> *buffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> samples, <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format );</div>

  404. <div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;</div>

  405. <div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> formatBytes( <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format );</div>

  406. <div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;</div>

  407. <div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;  <span class="keywordtype">void</span> setConvertInfo( StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel );</div>

  408. <div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;};</div>

  409. <div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;</div>

  410. <div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;<span class="comment">// **************************************************************** //</span></div>

  411. <div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;<span class="comment">//</span></div>

  412. <div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;<span class="comment">// Inline RtAudio definitions.</span></div>

  413. <div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;<span class="comment">//</span></div>

  414. <div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;<span class="comment">// **************************************************************** //</span></div>

  415. <div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;</div>

  416. <div class="line"><a name="l00762"></a><span class="lineno"><a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246">  762</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">RtAudio :: getCurrentApi</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getCurrentApi(); }</div>

  417. <div class="line"><a name="l00763"></a><span class="lineno"><a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a">  763</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">RtAudio :: getDeviceCount</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getDeviceCount(); }</div>

  418. <div class="line"><a name="l00764"></a><span class="lineno"><a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8">  764</a></span>&#160;<span class="keyword">inline</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">RtAudio :: getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) { <span class="keywordflow">return</span> rtapi_-&gt;getDeviceInfo( device ); }</div>

  419. <div class="line"><a name="l00765"></a><span class="lineno"><a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce">  765</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">RtAudio :: getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getDefaultInputDevice(); }</div>

  420. <div class="line"><a name="l00766"></a><span class="lineno"><a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc">  766</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">RtAudio :: getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getDefaultOutputDevice(); }</div>

  421. <div class="line"><a name="l00767"></a><span class="lineno"><a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a">  767</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">RtAudio :: closeStream</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;closeStream(); }</div>

  422. <div class="line"><a name="l00768"></a><span class="lineno"><a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80">  768</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">RtAudio :: startStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;startStream(); }</div>

  423. <div class="line"><a name="l00769"></a><span class="lineno"><a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd">  769</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">RtAudio :: stopStream</a>( <span class="keywordtype">void</span> )  { <span class="keywordflow">return</span> rtapi_-&gt;stopStream(); }</div>

  424. <div class="line"><a name="l00770"></a><span class="lineno"><a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f">  770</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">RtAudio :: abortStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;abortStream(); }</div>

  425. <div class="line"><a name="l00771"></a><span class="lineno"><a class="code" href="classRtAudio.html#a3863e45ff81dbe97176de0ee7545917f">  771</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a3863e45ff81dbe97176de0ee7545917f" title="Returns true if a stream is open and false if not.">RtAudio :: isStreamOpen</a>( <span class="keywordtype">void</span> ) <span class="keyword">const</span> throw() { <span class="keywordflow">return</span> rtapi_-&gt;isStreamOpen(); }</div>

  426. <div class="line"><a name="l00772"></a><span class="lineno"><a class="code" href="classRtAudio.html#a84cc8d9b7ab9bc5f37bcf48430ec5aea">  772</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a84cc8d9b7ab9bc5f37bcf48430ec5aea" title="Returns true if the stream is running and false if it is stopped or not open.">RtAudio :: isStreamRunning</a>( <span class="keywordtype">void</span> ) <span class="keyword">const</span> throw() { <span class="keywordflow">return</span> rtapi_-&gt;isStreamRunning(); }</div>

  427. <div class="line"><a name="l00773"></a><span class="lineno"><a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3">  773</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">RtAudio :: getStreamLatency</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;getStreamLatency(); }</div>

  428. <div class="line"><a name="l00774"></a><span class="lineno"><a class="code" href="classRtAudio.html#a28214b8b05d60b45c24ee6fae7b2a0b5">  774</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a28214b8b05d60b45c24ee6fae7b2a0b5" title="Returns actual sample rate in use by the stream.">RtAudio :: getStreamSampleRate</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;getStreamSampleRate(); }</div>

  429. <div class="line"><a name="l00775"></a><span class="lineno"><a class="code" href="classRtAudio.html#a344e59a62353c5791db4621b985cb2ca">  775</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a344e59a62353c5791db4621b985cb2ca" title="Returns the number of elapsed seconds since the stream was started.">RtAudio :: getStreamTime</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;getStreamTime(); }</div>

  430. <div class="line"><a name="l00776"></a><span class="lineno"><a class="code" href="classRtAudio.html#af0752ee51cce3dd90a3bd009f9fdbe77">  776</a></span>&#160;<span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af0752ee51cce3dd90a3bd009f9fdbe77" title="Specify whether warning messages should be printed to stderr.">RtAudio :: showWarnings</a>( <span class="keywordtype">bool</span> value ) <span class="keywordflow">throw</span>() { rtapi_-&gt;showWarnings( value ); }</div>

  431. <div class="line"><a name="l00777"></a><span class="lineno">  777</span>&#160;</div>

  432. <div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;<span class="comment">// RtApi Subclass prototypes.</span></div>

  433. <div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;</div>

  434. <div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;<span class="preprocessor">#if defined(__MACOSX_CORE__)</span></div>

  435. <div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;<span class="preprocessor"></span></div>

  436. <div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;<span class="preprocessor">#include &lt;CoreAudio/AudioHardware.h&gt;</span></div>

  437. <div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;</div>

  438. <div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;<span class="keyword">class </span>RtApiCore: <span class="keyword">public</span> RtApi</div>

  439. <div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;{</div>

  440. <div class="line"><a name="l00786"></a><span class="lineno">  786</span>&#160;<span class="keyword">public</span>:</div>

  441. <div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;</div>

  442. <div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;  RtApiCore();</div>

  443. <div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;  ~RtApiCore();</div>

  444. <div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a9fec92b8272244a87a6a11a717bd662d">RtAudio::MACOSX_CORE</a>; }</div>

  445. <div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  446. <div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  447. <div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> );</div>

  448. <div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">getDefaultInputDevice</a>( <span class="keywordtype">void</span> );</div>

  449. <div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  450. <div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  451. <div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  452. <div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  453. <div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;  <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );</div>

  454. <div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;</div>

  455. <div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  456. <div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  457. <div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  458. <div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  459. <div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;  <span class="keywordtype">bool</span> callbackEvent( AudioDeviceID deviceId,</div>

  460. <div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;                      <span class="keyword">const</span> AudioBufferList *inBufferList,</div>

  461. <div class="line"><a name="l00807"></a><span class="lineno">  807</span>&#160;                      <span class="keyword">const</span> AudioBufferList *outBufferList );</div>

  462. <div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;</div>

  463. <div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;  <span class="keyword">private</span>:</div>

  464. <div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;</div>

  465. <div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  466. <div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  467. <div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  468. <div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  469. <div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getErrorCode( OSStatus code );</div>

  470. <div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;};</div>

  471. <div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;</div>

  472. <div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;<span class="preprocessor">#endif</span></div>

  473. <div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;<span class="preprocessor"></span></div>

  474. <div class="line"><a name="l00820"></a><span class="lineno">  820</span>&#160;<span class="preprocessor">#if defined(__UNIX_JACK__)</span></div>

  475. <div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;<span class="preprocessor"></span></div>

  476. <div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;<span class="keyword">class </span>RtApiJack: <span class="keyword">public</span> RtApi</div>

  477. <div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;{</div>

  478. <div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;<span class="keyword">public</span>:</div>

  479. <div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;</div>

  480. <div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;  RtApiJack();</div>

  481. <div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;  ~RtApiJack();</div>

  482. <div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a4767e17c6edfbd827f91763915df4105">RtAudio::UNIX_JACK</a>; }</div>

  483. <div class="line"><a name="l00829"></a><span class="lineno">  829</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  484. <div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  485. <div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  486. <div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  487. <div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  488. <div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  489. <div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;  <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );</div>

  490. <div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;</div>

  491. <div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  492. <div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  493. <div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  494. <div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  495. <div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;  <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes );</div>

  496. <div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;</div>

  497. <div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;  <span class="keyword">private</span>:</div>

  498. <div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;</div>

  499. <div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  500. <div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  501. <div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  502. <div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  503. <div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;};</div>

  504. <div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;</div>

  505. <div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;<span class="preprocessor">#endif</span></div>

  506. <div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;<span class="preprocessor"></span></div>

  507. <div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;<span class="preprocessor">#if defined(__WINDOWS_ASIO__)</span></div>

  508. <div class="line"><a name="l00854"></a><span class="lineno">  854</span>&#160;<span class="preprocessor"></span></div>

  509. <div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;<span class="keyword">class </span>RtApiAsio: <span class="keyword">public</span> RtApi</div>

  510. <div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;{</div>

  511. <div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;<span class="keyword">public</span>:</div>

  512. <div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;</div>

  513. <div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;  RtApiAsio();</div>

  514. <div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;  ~RtApiAsio();</div>

  515. <div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a219517d1df90f94d07758481155bd469">RtAudio::WINDOWS_ASIO</a>; }</div>

  516. <div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  517. <div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  518. <div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  519. <div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  520. <div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  521. <div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  522. <div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;  <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );</div>

  523. <div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;</div>

  524. <div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  525. <div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  526. <div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  527. <div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  528. <div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;  <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">long</span> bufferIndex );</div>

  529. <div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;</div>

  530. <div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;  <span class="keyword">private</span>:</div>

  531. <div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;</div>

  532. <div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;  std::vector&lt;RtAudio::DeviceInfo&gt; devices_;</div>

  533. <div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;  <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );</div>

  534. <div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;  <span class="keywordtype">bool</span> coInitialized_;</div>

  535. <div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  536. <div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  537. <div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  538. <div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  539. <div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;};</div>

  540. <div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;</div>

  541. <div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;<span class="preprocessor">#endif</span></div>

  542. <div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;<span class="preprocessor"></span></div>

  543. <div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="preprocessor">#if defined(__WINDOWS_DS__)</span></div>

  544. <div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;<span class="preprocessor"></span></div>

  545. <div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;<span class="keyword">class </span>RtApiDs: <span class="keyword">public</span> RtApi</div>

  546. <div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;{</div>

  547. <div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;<span class="keyword">public</span>:</div>

  548. <div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;</div>

  549. <div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;  RtApiDs();</div>

  550. <div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;  ~RtApiDs();</div>

  551. <div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a28478830f42c2fd61e6c7ad498901931">RtAudio::WINDOWS_DS</a>; }</div>

  552. <div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  553. <div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> );</div>

  554. <div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">getDefaultInputDevice</a>( <span class="keywordtype">void</span> );</div>

  555. <div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  556. <div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  557. <div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  558. <div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  559. <div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  560. <div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;  <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );</div>

  561. <div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;</div>

  562. <div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  563. <div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  564. <div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  565. <div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  566. <div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;  <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );</div>

  567. <div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;</div>

  568. <div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;  <span class="keyword">private</span>:</div>

  569. <div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;</div>

  570. <div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;  <span class="keywordtype">bool</span> coInitialized_;</div>

  571. <div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;  <span class="keywordtype">bool</span> buffersRolling;</div>

  572. <div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;  <span class="keywordtype">long</span> duplexPrerollBytes;</div>

  573. <div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;  std::vector&lt;struct DsDevice&gt; dsDevices;</div>

  574. <div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  575. <div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  576. <div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  577. <div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  578. <div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;};</div>

  579. <div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;</div>

  580. <div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;<span class="preprocessor">#endif</span></div>

  581. <div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;<span class="preprocessor"></span></div>

  582. <div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;<span class="preprocessor">#if defined(__LINUX_ALSA__)</span></div>

  583. <div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;<span class="preprocessor"></span></div>

  584. <div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;<span class="keyword">class </span>RtApiAlsa: <span class="keyword">public</span> RtApi</div>

  585. <div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;{</div>

  586. <div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;<span class="keyword">public</span>:</div>

  587. <div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;</div>

  588. <div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;  RtApiAlsa();</div>

  589. <div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;  ~RtApiAlsa();</div>

  590. <div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa7a2ba095c2806caa893b6fb8fc3a1a8">RtAudio::LINUX_ALSA</a>; }</div>

  591. <div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  592. <div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  593. <div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  594. <div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  595. <div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  596. <div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  597. <div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;</div>

  598. <div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  599. <div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  600. <div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  601. <div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  602. <div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;  <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );</div>

  603. <div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;</div>

  604. <div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;  <span class="keyword">private</span>:</div>

  605. <div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;</div>

  606. <div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;  std::vector&lt;RtAudio::DeviceInfo&gt; devices_;</div>

  607. <div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;  <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );</div>

  608. <div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  609. <div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  610. <div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  611. <div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  612. <div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;};</div>

  613. <div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;</div>

  614. <div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;<span class="preprocessor">#endif</span></div>

  615. <div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;<span class="preprocessor"></span></div>

  616. <div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;<span class="preprocessor">#if defined(__LINUX_PULSE__)</span></div>

  617. <div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;<span class="preprocessor"></span></div>

  618. <div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;<span class="keyword">class </span>RtApiPulse: <span class="keyword">public</span> RtApi</div>

  619. <div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;{</div>

  620. <div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;<span class="keyword">public</span>:</div>

  621. <div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;  ~RtApiPulse();</div>

  622. <div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849adc17dff310e85d303fb326c837c08d77">RtAudio::LINUX_PULSE</a>; }</div>

  623. <div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  624. <div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  625. <div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  626. <div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  627. <div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  628. <div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  629. <div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;</div>

  630. <div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  631. <div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  632. <div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  633. <div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  634. <div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;  <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );</div>

  635. <div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;</div>

  636. <div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;  <span class="keyword">private</span>:</div>

  637. <div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;</div>

  638. <div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;  std::vector&lt;RtAudio::DeviceInfo&gt; devices_;</div>

  639. <div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;  <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );</div>

  640. <div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels,</div>

  641. <div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  642. <div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  643. <div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  644. <div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;};</div>

  645. <div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;</div>

  646. <div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;<span class="preprocessor">#endif</span></div>

  647. <div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;<span class="preprocessor"></span></div>

  648. <div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;<span class="preprocessor">#if defined(__LINUX_OSS__)</span></div>

  649. <div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;<span class="preprocessor"></span></div>

  650. <div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;<span class="keyword">class </span>RtApiOss: <span class="keyword">public</span> RtApi</div>

  651. <div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;{</div>

  652. <div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;<span class="keyword">public</span>:</div>

  653. <div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;</div>

  654. <div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;  RtApiOss();</div>

  655. <div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;  ~RtApiOss();</div>

  656. <div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a39c84615e61de75e6a4e865596d62c82">RtAudio::LINUX_OSS</a>; }</div>

  657. <div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> );</div>

  658. <div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );</div>

  659. <div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );</div>

  660. <div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );</div>

  661. <div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );</div>

  662. <div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );</div>

  663. <div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;</div>

  664. <div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;  <span class="comment">// This function is intended for internal use only.  It must be</span></div>

  665. <div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;  <span class="comment">// public because it is called by the internal callback handler,</span></div>

  666. <div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;  <span class="comment">// which is not a member of RtAudio.  External use of this function</span></div>

  667. <div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;  <span class="comment">// will most likely produce highly undesireable results!</span></div>

  668. <div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;  <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );</div>

  669. <div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;</div>

  670. <div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;  <span class="keyword">private</span>:</div>

  671. <div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;</div>

  672. <div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device, StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channels, </div>

  673. <div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,</div>

  674. <div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,</div>

  675. <div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );</div>

  676. <div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;};</div>

  677. <div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;</div>

  678. <div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;<span class="preprocessor">#endif</span></div>

  679. <div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;<span class="preprocessor"></span></div>

  680. <div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;<span class="preprocessor">#if defined(__RTAUDIO_DUMMY__)</span></div>

  681. <div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;<span class="preprocessor"></span></div>

  682. <div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;<span class="keyword">class </span>RtApiDummy: <span class="keyword">public</span> RtApi</div>

  683. <div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;{</div>

  684. <div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;<span class="keyword">public</span>:</div>

  685. <div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;</div>

  686. <div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;  RtApiDummy() { errorText_ = <span class="stringliteral">&quot;RtApiDummy: This class provides no functionality.&quot;</span>; error( <a class="code" href="classRtError.html#ab04667aae01bffc354a9ac6bda6903aca3a1603c24a56cbdaf5f8ae4ddcb86398">RtError::WARNING</a> ); }</div>

  687. <div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;  <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849ab06b8fd88bf18c9a2b8271f6961ae2d1">RtAudio::RTAUDIO_DUMMY</a>; }</div>

  688. <div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> 0; }</div>

  689. <div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;  <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/*device*/</span> ) { <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> info; <span class="keywordflow">return</span> info; }</div>

  690. <div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> ) {}</div>

  691. <div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> ) {}</div>

  692. <div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> ) {}</div>

  693. <div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;  <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> ) {}</div>

  694. <div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;</div>

  695. <div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;  <span class="keyword">private</span>:</div>

  696. <div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;</div>

  697. <div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;  <span class="keywordtype">bool</span> probeDeviceOpen( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/*device*/</span>, StreamMode <span class="comment">/*mode*/</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/*channels*/</span>, </div>

  698. <div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;                        <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/*firstChannel*/</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="comment">/*sampleRate*/</span>,</div>

  699. <div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;                        <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> <span class="comment">/*format*/</span>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> * <span class="comment">/*bufferSize*/</span>,</div>

  700. <div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;                        <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> * <span class="comment">/*options*/</span> ) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }</div>

  701. <div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;};</div>

  702. <div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;</div>

  703. <div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;<span class="preprocessor">#endif</span></div>

  704. <div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;<span class="preprocessor"></span></div>

  705. <div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;<span class="preprocessor">#endif</span></div>

  706. <div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;<span class="preprocessor"></span></div>

  707. <div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;<span class="comment">// Indentation settings for Vim and Emacs</span></div>

  708. <div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;<span class="comment">//</span></div>

  709. <div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;<span class="comment">// Local Variables:</span></div>

  710. <div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;<span class="comment">// c-basic-offset: 2</span></div>

  711. <div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;<span class="comment">// indent-tabs-mode: nil</span></div>

  712. <div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;<span class="comment">// End:</span></div>

  713. <div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;<span class="comment">//</span></div>

  714. <div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;<span class="comment">// vim: et sts=2 sw=2</span></div>

  715. </div><!-- fragment --></div><!-- contents -->

  716. <HR>

  717. <table><tr><td><img src="../images/mcgill.gif" width=165></td>

  718.   <td>&copy;2001-2013 Gary P. Scavone, McGill University. All Rights Reserved.<br>Maintained by <a href="http://www.music.mcgill.ca/~gary/">Gary P. Scavone</a>.</td></tr>

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