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   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>
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  12 <h1>RtAudio.h</h1><a href="RtAudio_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/************************************************************************/</span>
  13 <a name="l00039"></a>00039 <span class="comment">/************************************************************************/</span>
  14 <a name="l00040"></a>00040
  15 <a name="l00045"></a>00045 <span class="comment">// RtAudio: Version 4.0</span>
  16 <a name="l00046"></a>00046
  17 <a name="l00047"></a>00047 <span class="preprocessor">#ifndef __RTAUDIO_H</span>
  18 <a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define __RTAUDIO_H</span>
  19 <a name="l00049"></a>00049 <span class="preprocessor"></span>
  20 <a name="l00050"></a>00050 <span class="preprocessor">#include &lt;string&gt;</span>
  21 <a name="l00051"></a>00051 <span class="preprocessor">#include &lt;vector&gt;</span>
  22 <a name="l00052"></a>00052 <span class="preprocessor">#include "RtError.h"</span>
  23 <a name="l00053"></a>00053
  24 <a name="l00070"></a><a class="code" href="RtAudio_8h.html#a1">00070</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a>;
  25 <a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT8 = 0x1;    <span class="comment">// 8-bit signed integer.</span>
  26 <a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT16 = 0x2;   <span class="comment">// 16-bit signed integer.</span>
  27 <a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT24 = 0x4;   <span class="comment">// Lower 3 bytes of 32-bit signed integer.</span>
  28 <a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_SINT32 = 0x8;   <span class="comment">// 32-bit signed integer.</span>
  29 <a name="l00075"></a>00075 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_FLOAT32 = 0x10; <span class="comment">// Normalized between plus/minus 1.0.</span>
  30 <a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> RTAUDIO_FLOAT64 = 0x20; <span class="comment">// Normalized between plus/minus 1.0.</span>
  31 <a name="l00077"></a>00077
  32 <a name="l00112"></a><a class="code" href="RtAudio_8h.html#a8">00112</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a>;
  33 <a name="l00113"></a>00113 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> RTAUDIO_NONINTERLEAVED = 0x1;    <span class="comment">// Use non-interleaved buffers (default = interleaved).</span>
  34 <a name="l00114"></a>00114 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> RTAUDIO_MINIMIZE_LATENCY = 0x2;  <span class="comment">// Attempt to set stream parameters for lowest possible latency.</span>
  35 <a name="l00115"></a>00115 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> RTAUDIO_HOG_DEVICE = 0x4;        <span class="comment">// Attempt grab device and prevent use by others.</span>
  36 <a name="l00116"></a>00116
  37 <a name="l00128"></a><a class="code" href="RtAudio_8h.html#a12">00128</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a>;
  38 <a name="l00129"></a>00129 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> RTAUDIO_INPUT_OVERFLOW = 0x1;    <span class="comment">// Input data was discarded because of an overflow condition at the driver.</span>
  39 <a name="l00130"></a>00130 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> RTAUDIO_OUTPUT_UNDERFLOW = 0x2;  <span class="comment">// The output buffer ran low, likely causing a gap in the output sound.</span>
  40 <a name="l00131"></a>00131
  41 <a name="l00133"></a>00133
  42 <a name="l00171"></a><a class="code" href="RtAudio_8h.html#a15">00171</a> <span class="keyword">typedef</span> int (*<a class="code" href="RtAudio_8h.html#a15">RtAudioCallback</a>)( <span class="keywordtype">void</span> *outputBuffer, <span class="keywordtype">void</span> *inputBuffer,
  43 <a name="l00172"></a>00172                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nFrames,
  44 <a name="l00173"></a>00173                                 <span class="keywordtype">double</span> streamTime,
  45 <a name="l00174"></a>00174                                 <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> status,
  46 <a name="l00175"></a>00175                                 <span class="keywordtype">void</span> *userData );
  47 <a name="l00176"></a>00176
  48 <a name="l00177"></a>00177
  49 <a name="l00178"></a>00178 <span class="comment">// **************************************************************** //</span>
  50 <a name="l00179"></a>00179 <span class="comment">//</span>
  51 <a name="l00180"></a>00180 <span class="comment">// RtAudio class declaration.</span>
  52 <a name="l00181"></a>00181 <span class="comment">//</span>
  53 <a name="l00182"></a>00182 <span class="comment">// RtAudio is a "controller" used to select an available audio i/o</span>
  54 <a name="l00183"></a>00183 <span class="comment">// interface.  It presents a common API for the user to call but all</span>
  55 <a name="l00184"></a>00184 <span class="comment">// functionality is implemented by the class RtApi and its</span>
  56 <a name="l00185"></a>00185 <span class="comment">// subclasses.  RtAudio creates an instance of an RtApi subclass</span>
  57 <a name="l00186"></a>00186 <span class="comment">// based on the user's API choice.  If no choice is made, RtAudio</span>
  58 <a name="l00187"></a>00187 <span class="comment">// attempts to make a "logical" API selection.</span>
  59 <a name="l00188"></a>00188 <span class="comment">//</span>
  60 <a name="l00189"></a>00189 <span class="comment">// **************************************************************** //</span>
  61 <a name="l00190"></a>00190
  62 <a name="l00191"></a>00191 <span class="keyword">class </span>RtApi;
  63 <a name="l00192"></a>00192
  64 <a name="l00193"></a><a class="code" href="classRtAudio.html">00193</a> <span class="keyword">class </span><a class="code" href="classRtAudio.html">RtAudio</a>
  65 <a name="l00194"></a>00194 {
  66 <a name="l00195"></a>00195  <span class="keyword">public</span>:
  67 <a name="l00196"></a>00196
  68 <a name="l00198"></a><a class="code" href="classRtAudio.html#w8">00198</a>   <span class="keyword">enum</span> <a class="code" href="classRtAudio.html#w8">Api</a> {
  69 <a name="l00199"></a>00199     <a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a>,
  70 <a name="l00200"></a>00200     <a class="code" href="classRtAudio.html#w8w1">LINUX_ALSA</a>,
  71 <a name="l00201"></a>00201     <a class="code" href="classRtAudio.html#w8w2">LINUX_OSS</a>,
  72 <a name="l00202"></a>00202     <a class="code" href="classRtAudio.html#w8w3">UNIX_JACK</a>,
  73 <a name="l00203"></a>00203     <a class="code" href="classRtAudio.html#w8w4">MACOSX_CORE</a>,
  74 <a name="l00204"></a>00204     <a class="code" href="classRtAudio.html#w8w5">WINDOWS_ASIO</a>,
  75 <a name="l00205"></a>00205     <a class="code" href="classRtAudio.html#w8w6">WINDOWS_DS</a>,
  76 <a name="l00206"></a><a class="code" href="classRtAudio.html#w8w7">00206</a>     <a class="code" href="classRtAudio.html#w8w7">RTAUDIO_DUMMY</a>
  77 <a name="l00207"></a>00207   };
  78 <a name="l00208"></a>00208
  79 <a name="l00210"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html">00210</a>   <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1DeviceInfo.html">DeviceInfo</a> {
  80 <a name="l00211"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o0">00211</a>     <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o0">probed</a>;
  81 <a name="l00212"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o1">00212</a>     std::string <a class="code" href="structRtAudio_1_1DeviceInfo.html#o1">name</a>;
  82 <a name="l00213"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o2">00213</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o2">outputChannels</a>;
  83 <a name="l00214"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o3">00214</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o3">inputChannels</a>;
  84 <a name="l00215"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o4">00215</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o4">duplexChannels</a>;
  85 <a name="l00216"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o5">00216</a>     <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o5">isDefaultOutput</a>;
  86 <a name="l00217"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o6">00217</a>     <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o6">isDefaultInput</a>;
  87 <a name="l00218"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o7">00218</a>     std::vector&lt;unsigned int&gt; <a class="code" href="structRtAudio_1_1DeviceInfo.html#o7">sampleRates</a>;
  88 <a name="l00219"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#o8">00219</a>     <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> <a class="code" href="structRtAudio_1_1DeviceInfo.html#o8">nativeFormats</a>;
  89 <a name="l00221"></a>00221     <span class="comment">// Default constructor.</span>
  90 <a name="l00222"></a>00222     <a class="code" href="structRtAudio_1_1DeviceInfo.html">DeviceInfo</a>()
  91 <a name="l00223"></a>00223       :<a class="code" href="structRtAudio_1_1DeviceInfo.html#o0">probed</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o2">outputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o3">inputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o4">duplexChannels</a>(0),
  92 <a name="l00224"></a>00224        <a class="code" href="structRtAudio_1_1DeviceInfo.html#o5">isDefaultOutput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o6">isDefaultInput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#o8">nativeFormats</a>(0) {}
  93 <a name="l00225"></a>00225   };
  94 <a name="l00226"></a>00226
  95 <a name="l00228"></a><a class="code" href="structRtAudio_1_1StreamParameters.html">00228</a>   <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamParameters.html">StreamParameters</a> {
  96 <a name="l00229"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#o0">00229</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#o0">deviceId</a>;
  97 <a name="l00230"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#o1">00230</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#o1">nChannels</a>;
  98 <a name="l00231"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#o2">00231</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#o2">firstChannel</a>;
  99 <a name="l00233"></a>00233     <span class="comment">// Default constructor.</span>
 100 <a name="l00234"></a>00234     <a class="code" href="structRtAudio_1_1StreamParameters.html">StreamParameters</a>()
 101 <a name="l00235"></a>00235       : <a class="code" href="structRtAudio_1_1StreamParameters.html#o0">deviceId</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#o1">nChannels</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#o2">firstChannel</a>(0) {}
 102 <a name="l00236"></a>00236   };
 103 <a name="l00237"></a>00237
 104 <a name="l00239"></a>00239
 105 <a name="l00284"></a><a class="code" href="structRtAudio_1_1StreamOptions.html">00284</a>   <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamOptions.html">StreamOptions</a> {
 106 <a name="l00285"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#o0">00285</a>     <a class="code" href="RtAudio_8h.html#a8">RtAudioStreamFlags</a> <a class="code" href="structRtAudio_1_1StreamOptions.html#o0">flags</a>;
 107 <a name="l00286"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#o1">00286</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#o1">numberOfBuffers</a>;
 108 <a name="l00287"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#o2">00287</a>     std::string <a class="code" href="structRtAudio_1_1StreamOptions.html#o2">streamName</a>;
 109 <a name="l00289"></a>00289     <span class="comment">// Default constructor.</span>
 110 <a name="l00290"></a>00290     <a class="code" href="structRtAudio_1_1StreamOptions.html">StreamOptions</a>()
 111 <a name="l00291"></a>00291       : <a class="code" href="structRtAudio_1_1StreamOptions.html#o0">flags</a>(0), <a class="code" href="structRtAudio_1_1StreamOptions.html#o1">numberOfBuffers</a>(0) {}
 112 <a name="l00292"></a>00292   };
 113 <a name="l00293"></a>00293
 114 <a name="l00295"></a>00295
 115 <a name="l00300"></a>00300   <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#e0">getCompiledApi</a>( std::vector&lt;RtAudio::Api&gt; &amp;apis ) <span class="keywordflow">throw</span>();
 116 <a name="l00301"></a>00301
 117 <a name="l00303"></a>00303
 118 <a name="l00311"></a>00311   <a class="code" href="classRtAudio.html#a0">RtAudio</a>( <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> api=<a class="code" href="classRtAudio.html#w8w0">UNSPECIFIED</a> ) throw();
 119 <a name="l00312"></a>00312
 120 <a name="l00314"></a>00314
 121 <a name="l00318"></a>00318   ~<a class="code" href="classRtAudio.html">RtAudio</a>() throw();
 122 <a name="l00319"></a>00319
 123 <a name="l00321"></a>00321   <a class="code" href="classRtAudio.html">RtAudio</a>::<a class="code" href="classRtAudio.html#w8">Api</a> <a class="code" href="classRtAudio.html#a2">getCurrentApi</a>( <span class="keywordtype">void</span> ) throw();
 124 <a name="l00322"></a>00322
 125 <a name="l00324"></a>00324
 126 <a name="l00329"></a>00329   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3">getDeviceCount</a>( <span class="keywordtype">void</span> ) throw();
 127 <a name="l00330"></a>00330
 128 <a name="l00332"></a>00332
 129 <a name="l00342"></a>00342   <a class="code" href="classRtAudio.html">RtAudio</a>::DeviceInfo <a class="code" href="classRtAudio.html#a4">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 130 <a name="l00343"></a>00343
 131 <a name="l00345"></a>00345
 132 <a name="l00352"></a>00352   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a5">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw();
 133 <a name="l00353"></a>00353
 134 <a name="l00355"></a>00355
 135 <a name="l00362"></a>00362   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a6">getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw();
 136 <a name="l00363"></a>00363
 137 <a name="l00365"></a>00365
 138 <a name="l00402"></a>00402   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a7">openStream</a>( <a class="code" href="classRtAudio.html">RtAudio</a>::StreamParameters *outputParameters,
 139 <a name="l00403"></a>00403                    <a class="code" href="classRtAudio.html">RtAudio</a>::StreamParameters *inputParameters,
 140 <a name="l00404"></a>00404                    <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 141 <a name="l00405"></a>00405                    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#a15">RtAudioCallback</a> callback,
 142 <a name="l00406"></a>00406                    <span class="keywordtype">void</span> *userData = NULL, <a class="code" href="classRtAudio.html">RtAudio</a>::StreamOptions *options = NULL );
 143 <a name="l00407"></a>00407
 144 <a name="l00409"></a>00409
 145 <a name="l00413"></a>00413   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a8">closeStream</a>( <span class="keywordtype">void</span> ) throw();
 146 <a name="l00414"></a>00414
 147 <a name="l00416"></a>00416
 148 <a name="l00422"></a>00422   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a9">startStream</a>( <span class="keywordtype">void</span> );
 149 <a name="l00423"></a>00423
 150 <a name="l00425"></a>00425
 151 <a name="l00431"></a>00431   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a10">stopStream</a>( <span class="keywordtype">void</span> );
 152 <a name="l00432"></a>00432
 153 <a name="l00434"></a>00434
 154 <a name="l00440"></a>00440   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">abortStream</a>( <span class="keywordtype">void</span> );
 155 <a name="l00441"></a>00441
 156 <a name="l00443"></a>00443   <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a12">isStreamOpen</a>( <span class="keywordtype">void</span> ) throw();
 157 <a name="l00444"></a>00444
 158 <a name="l00446"></a>00446   <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a13">isStreamRunning</a>( <span class="keywordtype">void</span> ) throw();
 159 <a name="l00447"></a>00447
 160 <a name="l00449"></a>00449
 161 <a name="l00452"></a>00452   <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a14">getStreamTime</a>( <span class="keywordtype">void</span> );
 162 <a name="l00453"></a>00453
 163 <a name="l00455"></a>00455
 164 <a name="l00463"></a>00463   <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a15">getStreamLatency</a>( <span class="keywordtype">void</span> );
 165 <a name="l00464"></a>00464
 166 <a name="l00466"></a>00466   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a16">showWarnings</a>( <span class="keywordtype">bool</span> value = true ) throw();
 167 <a name="l00467"></a>00467
 168 <a name="l00468"></a>00468  protected:
 169 <a name="l00469"></a>00469
 170 <a name="l00470"></a>00470   <span class="keywordtype">void</span> openRtApi( <a class="code" href="classRtAudio.html">RtAudio</a>::<a class="code" href="classRtAudio.html#w8">Api</a> api );
 171 <a name="l00471"></a>00471   RtApi *rtapi_;
 172 <a name="l00472"></a>00472 };
 173 <a name="l00473"></a>00473
 174 <a name="l00474"></a>00474 <span class="comment">// Operating system dependent thread functionality.</span>
 175 <a name="l00475"></a>00475 #if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__)
 176 <a name="l00476"></a>00476   #include &lt;windows.h&gt;
 177 <a name="l00477"></a>00477   #include &lt;process.h&gt;
 178 <a name="l00478"></a>00478
 179 <a name="l00479"></a>00479   typedef <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ThreadHandle;
 180 <a name="l00480"></a>00480   typedef CRITICAL_SECTION StreamMutex;
 181 <a name="l00481"></a>00481
 182 <a name="l00482"></a>00482 #elif defined(__LINUX_ALSA__) || defined(__UNIX_JACK__) || defined(__LINUX_OSS__) || defined(__MACOSX_CORE__)
 183 <a name="l00483"></a>00483   <span class="comment">// Using pthread library for various flavors of unix.</span>
 184 <a name="l00484"></a>00484   #include &lt;pthread.h&gt;
 185 <a name="l00485"></a>00485
 186 <a name="l00486"></a>00486   typedef pthread_t ThreadHandle;
 187 <a name="l00487"></a>00487   typedef pthread_mutex_t StreamMutex;
 188 <a name="l00488"></a>00488
 189 <a name="l00489"></a>00489 #else <span class="comment">// Setup for "dummy" behavior</span>
 190 <a name="l00490"></a>00490
 191 <a name="l00491"></a>00491   #define __RTAUDIO_DUMMY__
 192 <a name="l00492"></a>00492   typedef <span class="keywordtype">int</span> ThreadHandle;
 193 <a name="l00493"></a>00493   typedef <span class="keywordtype">int</span> StreamMutex;
 194 <a name="l00494"></a>00494
 195 <a name="l00495"></a>00495 #endif
 196 <a name="l00496"></a>00496
 197 <a name="l00497"></a>00497 <span class="comment">// This global structure type is used to pass callback information</span>
 198 <a name="l00498"></a>00498 <span class="comment">// between the private RtAudio stream structure and global callback</span>
 199 <a name="l00499"></a>00499 <span class="comment">// handling functions.</span>
 200 <a name="l00500"></a>00500 struct CallbackInfo {
 201 <a name="l00501"></a>00501   <span class="keywordtype">void</span> *object;    <span class="comment">// Used as a "this" pointer.</span>
 202 <a name="l00502"></a>00502   ThreadHandle thread;
 203 <a name="l00503"></a>00503   <span class="keywordtype">void</span> *callback;
 204 <a name="l00504"></a>00504   <span class="keywordtype">void</span> *userData;
 205 <a name="l00505"></a>00505   <span class="keywordtype">void</span> *apiInfo;   <span class="comment">// void pointer for API specific callback information</span>
 206 <a name="l00506"></a>00506   <span class="keywordtype">bool</span> isRunning;
 207 <a name="l00507"></a>00507
 208 <a name="l00508"></a>00508   <span class="comment">// Default constructor.</span>
 209 <a name="l00509"></a>00509   CallbackInfo()
 210 <a name="l00510"></a>00510     :object(0), callback(0), userData(0), apiInfo(0), isRunning(false) {}
 211 <a name="l00511"></a>00511 };
 212 <a name="l00512"></a>00512
 213 <a name="l00513"></a>00513 <span class="comment">// **************************************************************** //</span>
 214 <a name="l00514"></a>00514 <span class="comment">//</span>
 215 <a name="l00515"></a>00515 <span class="comment">// RtApi class declaration.</span>
 216 <a name="l00516"></a>00516 <span class="comment">//</span>
 217 <a name="l00517"></a>00517 <span class="comment">// Subclasses of RtApi contain all API- and OS-specific code necessary</span>
 218 <a name="l00518"></a>00518 <span class="comment">// to fully implement the RtAudio API.</span>
 219 <a name="l00519"></a>00519 <span class="comment">//</span>
 220 <a name="l00520"></a>00520 <span class="comment">// Note that RtApi is an abstract base class and cannot be</span>
 221 <a name="l00521"></a>00521 <span class="comment">// explicitly instantiated.  The class RtAudio will create an</span>
 222 <a name="l00522"></a>00522 <span class="comment">// instance of an RtApi subclass (RtApiOss, RtApiAlsa,</span>
 223 <a name="l00523"></a>00523 <span class="comment">// RtApiJack, RtApiCore, RtApiAl, RtApiDs, or RtApiAsio).</span>
 224 <a name="l00524"></a>00524 <span class="comment">//</span>
 225 <a name="l00525"></a>00525 <span class="comment">// **************************************************************** //</span>
 226 <a name="l00526"></a>00526
 227 <a name="l00527"></a>00527 <span class="preprocessor">#if defined( HAVE_GETTIMEOFDAY )</span>
 228 <a name="l00528"></a>00528 <span class="preprocessor"></span><span class="preprocessor">  #include &lt;sys/time.h&gt;</span>
 229 <a name="l00529"></a>00529 <span class="preprocessor">#endif</span>
 230 <a name="l00530"></a>00530 <span class="preprocessor"></span>
 231 <a name="l00531"></a>00531 <span class="preprocessor">#include &lt;sstream&gt;</span>
 232 <a name="l00532"></a>00532
 233 <a name="l00533"></a>00533 <span class="keyword">class </span>RtApi
 234 <a name="l00534"></a>00534 {
 235 <a name="l00535"></a>00535 <span class="keyword">public</span>:
 236 <a name="l00536"></a>00536
 237 <a name="l00537"></a>00537   RtApi();
 238 <a name="l00538"></a>00538   <span class="keyword">virtual</span> ~RtApi();
 239 <a name="l00539"></a>00539   <span class="keyword">virtual</span> <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a2">getCurrentApi</a>( <span class="keywordtype">void</span> ) = 0;
 240 <a name="l00540"></a>00540   <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3">getDeviceCount</a>( <span class="keywordtype">void</span> ) = 0;
 241 <a name="l00541"></a>00541   <span class="keyword">virtual</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a4">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) = 0;
 242 <a name="l00542"></a>00542   <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a6">getDefaultInputDevice</a>( <span class="keywordtype">void</span> );
 243 <a name="l00543"></a>00543   <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a5">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> );
 244 <a name="l00544"></a>00544   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a7">openStream</a>( <a class="code" href="structRtAudio_1_1StreamParameters.html">RtAudio::StreamParameters</a> *outputParameters,
 245 <a name="l00545"></a>00545                    <a class="code" href="structRtAudio_1_1StreamParameters.html">RtAudio::StreamParameters</a> *inputParameters,
 246 <a name="l00546"></a>00546                    <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 247 <a name="l00547"></a>00547                    <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#a15">RtAudioCallback</a> callback,
 248 <a name="l00548"></a>00548                    <span class="keywordtype">void</span> *userData, <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 249 <a name="l00549"></a>00549   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a8">closeStream</a>( <span class="keywordtype">void</span> );
 250 <a name="l00550"></a>00550   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a9">startStream</a>( <span class="keywordtype">void</span> ) = 0;
 251 <a name="l00551"></a>00551   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a10">stopStream</a>( <span class="keywordtype">void</span> ) = 0;
 252 <a name="l00552"></a>00552   <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">abortStream</a>( <span class="keywordtype">void</span> ) = 0;
 253 <a name="l00553"></a>00553   <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a15">getStreamLatency</a>( <span class="keywordtype">void</span> );
 254 <a name="l00554"></a>00554   <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a14">getStreamTime</a>( <span class="keywordtype">void</span> );
 255 <a name="l00555"></a>00555   <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a12">isStreamOpen</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> stream_.state != STREAM_CLOSED; };
 256 <a name="l00556"></a>00556   <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a13">isStreamRunning</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> stream_.state == STREAM_RUNNING; };
 257 <a name="l00557"></a>00557   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a16">showWarnings</a>( <span class="keywordtype">bool</span> value ) { showWarnings_ = value; };
 258 <a name="l00558"></a>00558
 259 <a name="l00559"></a>00559
 260 <a name="l00560"></a>00560 <span class="keyword">protected</span>:
 261 <a name="l00561"></a>00561
 262 <a name="l00562"></a>00562   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MAX_SAMPLE_RATES;
 263 <a name="l00563"></a>00563   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SAMPLE_RATES[];
 264 <a name="l00564"></a>00564
 265 <a name="l00565"></a>00565   <span class="keyword">enum</span> { FAILURE, SUCCESS };
 266 <a name="l00566"></a>00566
 267 <a name="l00567"></a>00567   <span class="keyword">enum</span> ErrorType {
 268 <a name="l00568"></a>00568     WARNING,
 269 <a name="l00569"></a>00569     INVALID_CALL,
 270 <a name="l00570"></a>00570     SYSTEM
 271 <a name="l00571"></a>00571   };
 272 <a name="l00572"></a>00572
 273 <a name="l00573"></a>00573   <span class="keyword">enum</span> StreamState {
 274 <a name="l00574"></a>00574     STREAM_STOPPED,
 275 <a name="l00575"></a>00575     STREAM_RUNNING,
 276 <a name="l00576"></a>00576     STREAM_CLOSED = -50
 277 <a name="l00577"></a>00577   };
 278 <a name="l00578"></a>00578
 279 <a name="l00579"></a>00579   <span class="keyword">enum</span> StreamMode {
 280 <a name="l00580"></a>00580     OUTPUT,
 281 <a name="l00581"></a>00581     INPUT,
 282 <a name="l00582"></a>00582     DUPLEX,
 283 <a name="l00583"></a>00583     UNINITIALIZED = -75
 284 <a name="l00584"></a>00584   };
 285 <a name="l00585"></a>00585
 286 <a name="l00586"></a>00586   <span class="comment">// A protected structure used for buffer conversion.</span>
 287 <a name="l00587"></a>00587   <span class="keyword">struct </span>ConvertInfo {
 288 <a name="l00588"></a>00588     <span class="keywordtype">int</span> channels;
 289 <a name="l00589"></a>00589     <span class="keywordtype">int</span> inJump, outJump;
 290 <a name="l00590"></a>00590     <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> inFormat, outFormat;
 291 <a name="l00591"></a>00591     std::vector&lt;int&gt; inOffset;
 292 <a name="l00592"></a>00592     std::vector&lt;int&gt; outOffset;
 293 <a name="l00593"></a>00593   };
 294 <a name="l00594"></a>00594
 295 <a name="l00595"></a>00595   <span class="comment">// A protected structure for audio streams.</span>
 296 <a name="l00596"></a>00596   <span class="keyword">struct </span>RtApiStream {
 297 <a name="l00597"></a>00597     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device[2];    <span class="comment">// Playback and record, respectively.</span>
 298 <a name="l00598"></a>00598     <span class="keywordtype">void</span> *apiHandle;           <span class="comment">// void pointer for API specific stream handle information</span>
 299 <a name="l00599"></a>00599     StreamMode mode;           <span class="comment">// OUTPUT, INPUT, or DUPLEX.</span>
 300 <a name="l00600"></a>00600     StreamState state;         <span class="comment">// STOPPED, RUNNING, or CLOSED</span>
 301 <a name="l00601"></a>00601     <span class="keywordtype">char</span> *userBuffer[2];       <span class="comment">// Playback and record, respectively.</span>
 302 <a name="l00602"></a>00602     <span class="keywordtype">char</span> *deviceBuffer;
 303 <a name="l00603"></a>00603     <span class="keywordtype">bool</span> doConvertBuffer[2];   <span class="comment">// Playback and record, respectively.</span>
 304 <a name="l00604"></a>00604     <span class="keywordtype">bool</span> userInterleaved;
 305 <a name="l00605"></a>00605     <span class="keywordtype">bool</span> deviceInterleaved[2]; <span class="comment">// Playback and record, respectively.</span>
 306 <a name="l00606"></a>00606     <span class="keywordtype">bool</span> doByteSwap[2];        <span class="comment">// Playback and record, respectively.</span>
 307 <a name="l00607"></a>00607     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate;
 308 <a name="l00608"></a>00608     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferSize;
 309 <a name="l00609"></a>00609     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBuffers;
 310 <a name="l00610"></a>00610     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nUserChannels[2];    <span class="comment">// Playback and record, respectively.</span>
 311 <a name="l00611"></a>00611     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nDeviceChannels[2];  <span class="comment">// Playback and record channels, respectively.</span>
 312 <a name="l00612"></a>00612     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channelOffset[2];    <span class="comment">// Playback and record, respectively.</span>
 313 <a name="l00613"></a>00613     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> latency[2];         <span class="comment">// Playback and record, respectively.</span>
 314 <a name="l00614"></a>00614     <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> userFormat;
 315 <a name="l00615"></a>00615     <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> deviceFormat[2];    <span class="comment">// Playback and record, respectively.</span>
 316 <a name="l00616"></a>00616     StreamMutex mutex;
 317 <a name="l00617"></a>00617     CallbackInfo callbackInfo;
 318 <a name="l00618"></a>00618     ConvertInfo convertInfo[2];
 319 <a name="l00619"></a>00619     <span class="keywordtype">double</span> streamTime;         <span class="comment">// Number of elapsed seconds since the stream started.</span>
 320 <a name="l00620"></a>00620
 321 <a name="l00621"></a>00621 <span class="preprocessor">#if defined(HAVE_GETTIMEOFDAY)</span>
 322 <a name="l00622"></a>00622 <span class="preprocessor"></span>    <span class="keyword">struct </span>timeval lastTickTimestamp;
 323 <a name="l00623"></a>00623 <span class="preprocessor">#endif</span>
 324 <a name="l00624"></a>00624 <span class="preprocessor"></span>
 325 <a name="l00625"></a>00625     RtApiStream()
 326 <a name="l00626"></a>00626       :apiHandle(0), deviceBuffer(0) {}
 327 <a name="l00627"></a>00627   };
 328 <a name="l00628"></a>00628
 329 <a name="l00629"></a>00629   <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> Int16;
 330 <a name="l00630"></a>00630   <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">int</span> Int32;
 331 <a name="l00631"></a>00631   <span class="keyword">typedef</span> <span class="keywordtype">float</span> Float32;
 332 <a name="l00632"></a>00632   <span class="keyword">typedef</span> <span class="keywordtype">double</span> Float64;
 333 <a name="l00633"></a>00633
 334 <a name="l00634"></a>00634   std::ostringstream errorStream_;
 335 <a name="l00635"></a>00635   std::string errorText_;
 336 <a name="l00636"></a>00636   <span class="keywordtype">bool</span> showWarnings_;
 337 <a name="l00637"></a>00637   RtApiStream stream_;
 338 <a name="l00638"></a>00638
 339 <a name="l00646"></a>00646   <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,
 340 <a name="l00647"></a>00647                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 341 <a name="l00648"></a>00648                                 <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 342 <a name="l00649"></a>00649                                 <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 343 <a name="l00650"></a>00650
 344 <a name="l00652"></a>00652   <span class="keywordtype">void</span> tickStreamTime( <span class="keywordtype">void</span> );
 345 <a name="l00653"></a>00653
 346 <a name="l00655"></a>00655   <span class="keywordtype">void</span> clearStreamInfo();
 347 <a name="l00656"></a>00656
 348 <a name="l00661"></a>00661   <span class="keywordtype">void</span> verifyStream( <span class="keywordtype">void</span> );
 349 <a name="l00662"></a>00662
 350 <a name="l00664"></a>00664   <span class="keywordtype">void</span> error( ErrorType type );
 351 <a name="l00665"></a>00665
 352 <a name="l00670"></a>00670   <span class="keywordtype">void</span> convertBuffer( <span class="keywordtype">char</span> *outBuffer, <span class="keywordtype">char</span> *inBuffer, ConvertInfo &amp;info );
 353 <a name="l00671"></a>00671
 354 <a name="l00673"></a>00673   <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#a1">RtAudioFormat</a> format );
 355 <a name="l00674"></a>00674
 356 <a name="l00676"></a>00676   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> formatBytes( <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format );
 357 <a name="l00677"></a>00677
 358 <a name="l00679"></a>00679   <span class="keywordtype">void</span> setConvertInfo( StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel );
 359 <a name="l00680"></a>00680 };
 360 <a name="l00681"></a>00681
 361 <a name="l00682"></a>00682 <span class="comment">// **************************************************************** //</span>
 362 <a name="l00683"></a>00683 <span class="comment">//</span>
 363 <a name="l00684"></a>00684 <span class="comment">// Inline RtAudio definitions.</span>
 364 <a name="l00685"></a>00685 <span class="comment">//</span>
 365 <a name="l00686"></a>00686 <span class="comment">// **************************************************************** //</span>
 366 <a name="l00687"></a>00687
 367 <a name="l00688"></a><a class="code" href="classRtAudio.html#a2">00688</a> <span class="keyword">inline</span> <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> <a class="code" href="classRtAudio.html#a2">RtAudio :: getCurrentApi</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getCurrentApi(); };
 368 <a name="l00689"></a><a class="code" href="classRtAudio.html#a3">00689</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a3">RtAudio :: getDeviceCount</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getDeviceCount(); };
 369 <a name="l00690"></a><a class="code" href="classRtAudio.html#a4">00690</a> <span class="keyword">inline</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> <a class="code" href="classRtAudio.html#a4">RtAudio :: getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) { <span class="keywordflow">return</span> rtapi_-&gt;getDeviceInfo( device ); };
 370 <a name="l00691"></a><a class="code" href="classRtAudio.html#a6">00691</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a6">RtAudio :: getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getDefaultInputDevice(); };
 371 <a name="l00692"></a><a class="code" href="classRtAudio.html#a5">00692</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#a5">RtAudio :: getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;getDefaultOutputDevice(); };
 372 <a name="l00693"></a><a class="code" href="classRtAudio.html#a8">00693</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a8">RtAudio :: closeStream</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;closeStream(); };
 373 <a name="l00694"></a><a class="code" href="classRtAudio.html#a9">00694</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a9">RtAudio :: startStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;startStream(); };
 374 <a name="l00695"></a><a class="code" href="classRtAudio.html#a10">00695</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a10">RtAudio :: stopStream</a>( <span class="keywordtype">void</span> )  { <span class="keywordflow">return</span> rtapi_-&gt;stopStream(); };
 375 <a name="l00696"></a><a class="code" href="classRtAudio.html#a11">00696</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a11">RtAudio :: abortStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;abortStream(); };
 376 <a name="l00697"></a><a class="code" href="classRtAudio.html#a12">00697</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a12">RtAudio :: isStreamOpen</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;isStreamOpen(); };
 377 <a name="l00698"></a><a class="code" href="classRtAudio.html#a13">00698</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#a13">RtAudio :: isStreamRunning</a>( <span class="keywordtype">void</span> ) throw() { <span class="keywordflow">return</span> rtapi_-&gt;isStreamRunning(); };
 378 <a name="l00699"></a><a class="code" href="classRtAudio.html#a15">00699</a> <span class="keyword">inline</span> <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#a15">RtAudio :: getStreamLatency</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;getStreamLatency(); };
 379 <a name="l00700"></a><a class="code" href="classRtAudio.html#a14">00700</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#a14">RtAudio :: getStreamTime</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_-&gt;getStreamTime(); };
 380 <a name="l00701"></a><a class="code" href="classRtAudio.html#a16">00701</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#a16">RtAudio :: showWarnings</a>( <span class="keywordtype">bool</span> value ) <span class="keywordflow">throw</span>() { rtapi_-&gt;showWarnings( value ); };
 381 <a name="l00702"></a>00702
 382 <a name="l00703"></a>00703 <span class="comment">// RtApi Subclass prototypes.</span>
 383 <a name="l00704"></a>00704
 384 <a name="l00705"></a>00705 <span class="preprocessor">#if defined(__MACOSX_CORE__)</span>
 385 <a name="l00706"></a>00706 <span class="preprocessor"></span>
 386 <a name="l00707"></a>00707 <span class="preprocessor">#include &lt;CoreAudio/AudioHardware.h&gt;</span>
 387 <a name="l00708"></a>00708
 388 <a name="l00709"></a>00709 <span class="keyword">class </span>RtApiCore: <span class="keyword">public</span> RtApi
 389 <a name="l00710"></a>00710 {
 390 <a name="l00711"></a>00711 <span class="keyword">public</span>:
 391 <a name="l00712"></a>00712
 392 <a name="l00713"></a>00713   RtApiCore();
 393 <a name="l00714"></a>00714   ~RtApiCore();
 394 <a name="l00715"></a>00715   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w4">RtAudio::MACOSX_CORE</a>; };
 395 <a name="l00716"></a>00716   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 396 <a name="l00717"></a>00717   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 397 <a name="l00718"></a>00718   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> );
 398 <a name="l00719"></a>00719   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> );
 399 <a name="l00720"></a>00720   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 400 <a name="l00721"></a>00721   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 401 <a name="l00722"></a>00722   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 402 <a name="l00723"></a>00723   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 403 <a name="l00724"></a>00724   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 404 <a name="l00725"></a>00725
 405 <a name="l00726"></a>00726   <span class="comment">// This function is intended for internal use only.  It must be</span>
 406 <a name="l00727"></a>00727   <span class="comment">// public because it is called by the internal callback handler,</span>
 407 <a name="l00728"></a>00728   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 408 <a name="l00729"></a>00729   <span class="comment">// will most likely produce highly undesireable results!</span>
 409 <a name="l00730"></a>00730   <span class="keywordtype">bool</span> callbackEvent( AudioDeviceID deviceId,
 410 <a name="l00731"></a>00731                       <span class="keyword">const</span> AudioBufferList *inBufferList,
 411 <a name="l00732"></a>00732                       <span class="keyword">const</span> AudioBufferList *outBufferList );
 412 <a name="l00733"></a>00733
 413 <a name="l00734"></a>00734   <span class="keyword">private</span>:
 414 <a name="l00735"></a>00735
 415 <a name="l00736"></a>00736   <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,
 416 <a name="l00737"></a>00737                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 417 <a name="l00738"></a>00738                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 418 <a name="l00739"></a>00739                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 419 <a name="l00740"></a>00740   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getErrorCode( OSStatus code );
 420 <a name="l00741"></a>00741 };
 421 <a name="l00742"></a>00742
 422 <a name="l00743"></a>00743 <span class="preprocessor">#endif</span>
 423 <a name="l00744"></a>00744 <span class="preprocessor"></span>
 424 <a name="l00745"></a>00745 <span class="preprocessor">#if defined(__UNIX_JACK__)</span>
 425 <a name="l00746"></a>00746 <span class="preprocessor"></span>
 426 <a name="l00747"></a>00747 <span class="keyword">class </span>RtApiJack: <span class="keyword">public</span> RtApi
 427 <a name="l00748"></a>00748 {
 428 <a name="l00749"></a>00749 <span class="keyword">public</span>:
 429 <a name="l00750"></a>00750
 430 <a name="l00751"></a>00751   RtApiJack();
 431 <a name="l00752"></a>00752   ~RtApiJack();
 432 <a name="l00753"></a>00753   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w3">RtAudio::UNIX_JACK</a>; };
 433 <a name="l00754"></a>00754   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 434 <a name="l00755"></a>00755   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 435 <a name="l00756"></a>00756   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 436 <a name="l00757"></a>00757   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 437 <a name="l00758"></a>00758   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 438 <a name="l00759"></a>00759   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 439 <a name="l00760"></a>00760   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 440 <a name="l00761"></a>00761
 441 <a name="l00762"></a>00762   <span class="comment">// This function is intended for internal use only.  It must be</span>
 442 <a name="l00763"></a>00763   <span class="comment">// public because it is called by the internal callback handler,</span>
 443 <a name="l00764"></a>00764   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 444 <a name="l00765"></a>00765   <span class="comment">// will most likely produce highly undesireable results!</span>
 445 <a name="l00766"></a>00766   <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes );
 446 <a name="l00767"></a>00767
 447 <a name="l00768"></a>00768   <span class="keyword">private</span>:
 448 <a name="l00769"></a>00769
 449 <a name="l00770"></a>00770   <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,
 450 <a name="l00771"></a>00771                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 451 <a name="l00772"></a>00772                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 452 <a name="l00773"></a>00773                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 453 <a name="l00774"></a>00774 };
 454 <a name="l00775"></a>00775
 455 <a name="l00776"></a>00776 <span class="preprocessor">#endif</span>
 456 <a name="l00777"></a>00777 <span class="preprocessor"></span>
 457 <a name="l00778"></a>00778 <span class="preprocessor">#if defined(__WINDOWS_ASIO__)</span>
 458 <a name="l00779"></a>00779 <span class="preprocessor"></span>
 459 <a name="l00780"></a>00780 <span class="keyword">class </span>RtApiAsio: <span class="keyword">public</span> RtApi
 460 <a name="l00781"></a>00781 {
 461 <a name="l00782"></a>00782 <span class="keyword">public</span>:
 462 <a name="l00783"></a>00783
 463 <a name="l00784"></a>00784   RtApiAsio();
 464 <a name="l00785"></a>00785   ~RtApiAsio();
 465 <a name="l00786"></a>00786   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w5">RtAudio::WINDOWS_ASIO</a>; };
 466 <a name="l00787"></a>00787   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 467 <a name="l00788"></a>00788   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 468 <a name="l00789"></a>00789   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 469 <a name="l00790"></a>00790   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 470 <a name="l00791"></a>00791   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 471 <a name="l00792"></a>00792   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 472 <a name="l00793"></a>00793   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 473 <a name="l00794"></a>00794
 474 <a name="l00795"></a>00795   <span class="comment">// This function is intended for internal use only.  It must be</span>
 475 <a name="l00796"></a>00796   <span class="comment">// public because it is called by the internal callback handler,</span>
 476 <a name="l00797"></a>00797   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 477 <a name="l00798"></a>00798   <span class="comment">// will most likely produce highly undesireable results!</span>
 478 <a name="l00799"></a>00799   <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">long</span> bufferIndex );
 479 <a name="l00800"></a>00800
 480 <a name="l00801"></a>00801   <span class="keyword">private</span>:
 481 <a name="l00802"></a>00802
 482 <a name="l00803"></a>00803   <span class="keywordtype">bool</span> coInitialized_;
 483 <a name="l00804"></a>00804   <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,
 484 <a name="l00805"></a>00805                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 485 <a name="l00806"></a>00806                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 486 <a name="l00807"></a>00807                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 487 <a name="l00808"></a>00808 };
 488 <a name="l00809"></a>00809
 489 <a name="l00810"></a>00810 <span class="preprocessor">#endif</span>
 490 <a name="l00811"></a>00811 <span class="preprocessor"></span>
 491 <a name="l00812"></a>00812 <span class="preprocessor">#if defined(__WINDOWS_DS__)</span>
 492 <a name="l00813"></a>00813 <span class="preprocessor"></span>
 493 <a name="l00814"></a>00814 <span class="keyword">class </span>RtApiDs: <span class="keyword">public</span> RtApi
 494 <a name="l00815"></a>00815 {
 495 <a name="l00816"></a>00816 <span class="keyword">public</span>:
 496 <a name="l00817"></a>00817
 497 <a name="l00818"></a>00818   RtApiDs();
 498 <a name="l00819"></a>00819   ~RtApiDs();
 499 <a name="l00820"></a>00820   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w6">RtAudio::WINDOWS_DS</a>; };
 500 <a name="l00821"></a>00821   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 501 <a name="l00822"></a>00822   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> );
 502 <a name="l00823"></a>00823   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> );
 503 <a name="l00824"></a>00824   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 504 <a name="l00825"></a>00825   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 505 <a name="l00826"></a>00826   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 506 <a name="l00827"></a>00827   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 507 <a name="l00828"></a>00828   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 508 <a name="l00829"></a>00829   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 509 <a name="l00830"></a>00830
 510 <a name="l00831"></a>00831   <span class="comment">// This function is intended for internal use only.  It must be</span>
 511 <a name="l00832"></a>00832   <span class="comment">// public because it is called by the internal callback handler,</span>
 512 <a name="l00833"></a>00833   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 513 <a name="l00834"></a>00834   <span class="comment">// will most likely produce highly undesireable results!</span>
 514 <a name="l00835"></a>00835   <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
 515 <a name="l00836"></a>00836
 516 <a name="l00837"></a>00837   <span class="keyword">private</span>:
 517 <a name="l00838"></a>00838
 518 <a name="l00839"></a>00839   <span class="keywordtype">bool</span> coInitialized_;
 519 <a name="l00840"></a>00840   <span class="keywordtype">bool</span> buffersRolling;
 520 <a name="l00841"></a>00841   <span class="keywordtype">long</span> duplexPrerollBytes;
 521 <a name="l00842"></a>00842   <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,
 522 <a name="l00843"></a>00843                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 523 <a name="l00844"></a>00844                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 524 <a name="l00845"></a>00845                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 525 <a name="l00846"></a>00846 };
 526 <a name="l00847"></a>00847
 527 <a name="l00848"></a>00848 <span class="preprocessor">#endif</span>
 528 <a name="l00849"></a>00849 <span class="preprocessor"></span>
 529 <a name="l00850"></a>00850 <span class="preprocessor">#if defined(__LINUX_ALSA__)</span>
 530 <a name="l00851"></a>00851 <span class="preprocessor"></span>
 531 <a name="l00852"></a>00852 <span class="keyword">class </span>RtApiAlsa: <span class="keyword">public</span> RtApi
 532 <a name="l00853"></a>00853 {
 533 <a name="l00854"></a>00854 <span class="keyword">public</span>:
 534 <a name="l00855"></a>00855
 535 <a name="l00856"></a>00856   RtApiAlsa();
 536 <a name="l00857"></a>00857   ~RtApiAlsa();
 537 <a name="l00858"></a>00858   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w1">RtAudio::LINUX_ALSA</a>; };
 538 <a name="l00859"></a>00859   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 539 <a name="l00860"></a>00860   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 540 <a name="l00861"></a>00861   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 541 <a name="l00862"></a>00862   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 542 <a name="l00863"></a>00863   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 543 <a name="l00864"></a>00864   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 544 <a name="l00865"></a>00865
 545 <a name="l00866"></a>00866   <span class="comment">// This function is intended for internal use only.  It must be</span>
 546 <a name="l00867"></a>00867   <span class="comment">// public because it is called by the internal callback handler,</span>
 547 <a name="l00868"></a>00868   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 548 <a name="l00869"></a>00869   <span class="comment">// will most likely produce highly undesireable results!</span>
 549 <a name="l00870"></a>00870   <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
 550 <a name="l00871"></a>00871
 551 <a name="l00872"></a>00872   <span class="keyword">private</span>:
 552 <a name="l00873"></a>00873
 553 <a name="l00874"></a>00874   <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,
 554 <a name="l00875"></a>00875                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 555 <a name="l00876"></a>00876                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 556 <a name="l00877"></a>00877                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 557 <a name="l00878"></a>00878 };
 558 <a name="l00879"></a>00879
 559 <a name="l00880"></a>00880 <span class="preprocessor">#endif</span>
 560 <a name="l00881"></a>00881 <span class="preprocessor"></span>
 561 <a name="l00882"></a>00882 <span class="preprocessor">#if defined(__LINUX_OSS__)</span>
 562 <a name="l00883"></a>00883 <span class="preprocessor"></span>
 563 <a name="l00884"></a>00884 <span class="keyword">class </span>RtApiOss: <span class="keyword">public</span> RtApi
 564 <a name="l00885"></a>00885 {
 565 <a name="l00886"></a>00886 <span class="keyword">public</span>:
 566 <a name="l00887"></a>00887
 567 <a name="l00888"></a>00888   RtApiOss();
 568 <a name="l00889"></a>00889   ~RtApiOss();
 569 <a name="l00890"></a>00890   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w2">RtAudio::LINUX_OSS</a>; };
 570 <a name="l00891"></a>00891   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 571 <a name="l00892"></a>00892   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 572 <a name="l00893"></a>00893   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 573 <a name="l00894"></a>00894   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 574 <a name="l00895"></a>00895   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 575 <a name="l00896"></a>00896   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 576 <a name="l00897"></a>00897
 577 <a name="l00898"></a>00898   <span class="comment">// This function is intended for internal use only.  It must be</span>
 578 <a name="l00899"></a>00899   <span class="comment">// public because it is called by the internal callback handler,</span>
 579 <a name="l00900"></a>00900   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 580 <a name="l00901"></a>00901   <span class="comment">// will most likely produce highly undesireable results!</span>
 581 <a name="l00902"></a>00902   <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
 582 <a name="l00903"></a>00903
 583 <a name="l00904"></a>00904   <span class="keyword">private</span>:
 584 <a name="l00905"></a>00905
 585 <a name="l00906"></a>00906   <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,
 586 <a name="l00907"></a>00907                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 587 <a name="l00908"></a>00908                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 588 <a name="l00909"></a>00909                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options );
 589 <a name="l00910"></a>00910 };
 590 <a name="l00911"></a>00911
 591 <a name="l00912"></a>00912 <span class="preprocessor">#endif</span>
 592 <a name="l00913"></a>00913 <span class="preprocessor"></span>
 593 <a name="l00914"></a>00914 <span class="preprocessor">#if defined(__RTAUDIO_DUMMY__)</span>
 594 <a name="l00915"></a>00915 <span class="preprocessor"></span>
 595 <a name="l00916"></a>00916 <span class="keyword">class </span>RtApiDummy: <span class="keyword">public</span> RtApi
 596 <a name="l00917"></a>00917 {
 597 <a name="l00918"></a>00918 <span class="keyword">public</span>:
 598 <a name="l00919"></a>00919
 599 <a name="l00920"></a>00920   RtApiDummy() { errorText_ = <span class="stringliteral">"RtApiDummy: This class provides no functionality."</span>; error( WARNING ); };
 600 <a name="l00921"></a>00921   <a class="code" href="classRtAudio.html#w8">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#w8w7">RtAudio::RTAUDIO_DUMMY</a>; };
 601 <a name="l00922"></a>00922   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> 0; };
 602 <a name="l00923"></a>00923   <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) { <a class="code" href="structRtAudio_1_1DeviceInfo.html">RtAudio::DeviceInfo</a> info; <span class="keywordflow">return</span> info; };
 603 <a name="l00924"></a>00924   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ) {};
 604 <a name="l00925"></a>00925   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ) {};
 605 <a name="l00926"></a>00926   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ) {};
 606 <a name="l00927"></a>00927   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ) {};
 607 <a name="l00928"></a>00928
 608 <a name="l00929"></a>00929   <span class="keyword">private</span>:
 609 <a name="l00930"></a>00930
 610 <a name="l00931"></a>00931   <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,
 611 <a name="l00932"></a>00932                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 612 <a name="l00933"></a>00933                         <a class="code" href="RtAudio_8h.html#a1">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
 613 <a name="l00934"></a>00934                         <a class="code" href="structRtAudio_1_1StreamOptions.html">RtAudio::StreamOptions</a> *options ) { <span class="keywordflow">return</span> <span class="keyword">false</span>; };
 614 <a name="l00935"></a>00935 };
 615 <a name="l00936"></a>00936
 616 <a name="l00937"></a>00937 <span class="preprocessor">#endif</span>
 617 <a name="l00938"></a>00938 <span class="preprocessor"></span>
 618 <a name="l00939"></a>00939 <span class="preprocessor">#endif</span>
 619 <a name="l00940"></a>00940 <span class="preprocessor"></span>
 620 <a name="l00941"></a>00941 <span class="comment">// Indentation settings for Vim and Emacs</span>
 621 <a name="l00942"></a>00942 <span class="comment">//</span>
 622 <a name="l00943"></a>00943 <span class="comment">// Local Variables:</span>
 623 <a name="l00944"></a>00944 <span class="comment">// c-basic-offset: 2</span>
 624 <a name="l00945"></a>00945 <span class="comment">// indent-tabs-mode: nil</span>
 625 <a name="l00946"></a>00946 <span class="comment">// End:</span>
 626 <a name="l00947"></a>00947 <span class="comment">//</span>
 627 <a name="l00948"></a>00948 <span class="comment">// vim: et sts=2 sw=2</span>
 628 </pre></div><HR>
 629
 630 <table><tr><td><img src="../images/mcgill.gif" width=165></td>
 631   <td>&copy;2001-2007 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>
 632 </table>
 633
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 635 </HTML>