doc/html/RtAudio_8h_source.html

   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 1.6.2 -->
  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 4.0.7</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 &quot;RtError.h&quot;</span>
  23 <a name="l00053"></a>00053
  24 <a name="l00070"></a><a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8">00070</a> <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>;
  25 <a name="l00071"></a>00071 <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>
  26 <a name="l00072"></a>00072 <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>
  27 <a name="l00073"></a>00073 <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">// 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#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">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#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">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#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_FLOAT64 = 0x20; <span class="comment">// Normalized between plus/minus 1.0.</span>
  31 <a name="l00077"></a>00077
  32 <a name="l00115"></a><a class="code" href="RtAudio_8h.html#a2c0f59b200dcec4d4e760f9166b29c41">00115</a> <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>;
  33 <a name="l00116"></a>00116 <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>
  34 <a name="l00117"></a>00117 <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>
  35 <a name="l00118"></a>00118 <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>
  36 <a name="l00119"></a>00119 <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>
  37 <a name="l00120"></a>00120
  38 <a name="l00132"></a><a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806">00132</a> <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>;
  39 <a name="l00133"></a>00133 <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>
  40 <a name="l00134"></a>00134 <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>
  41 <a name="l00135"></a>00135
  42 <a name="l00137"></a>00137
  43 <a name="l00175"></a><a class="code" href="RtAudio_8h.html#a112c7b7e25a974977f6fc094cef1a31f">00175</a> <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,
  44 <a name="l00176"></a>00176                                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nFrames,
  45 <a name="l00177"></a>00177                                 <span class="keywordtype">double</span> streamTime,
  46 <a name="l00178"></a>00178                                 <a class="code" href="RtAudio_8h.html#a80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a> status,
  47 <a name="l00179"></a>00179                                 <span class="keywordtype">void</span> *userData );
  48 <a name="l00180"></a>00180
  49 <a name="l00181"></a>00181
  50 <a name="l00182"></a>00182 <span class="comment">// **************************************************************** //</span>
  51 <a name="l00183"></a>00183 <span class="comment">//</span>
  52 <a name="l00184"></a>00184 <span class="comment">// RtAudio class declaration.</span>
  53 <a name="l00185"></a>00185 <span class="comment">//</span>
  54 <a name="l00186"></a>00186 <span class="comment">// RtAudio is a &quot;controller&quot; used to select an available audio i/o</span>
  55 <a name="l00187"></a>00187 <span class="comment">// interface.  It presents a common API for the user to call but all</span>
  56 <a name="l00188"></a>00188 <span class="comment">// functionality is implemented by the class RtApi and its</span>
  57 <a name="l00189"></a>00189 <span class="comment">// subclasses.  RtAudio creates an instance of an RtApi subclass</span>
  58 <a name="l00190"></a>00190 <span class="comment">// based on the user&#39;s API choice.  If no choice is made, RtAudio</span>
  59 <a name="l00191"></a>00191 <span class="comment">// attempts to make a &quot;logical&quot; API selection.</span>
  60 <a name="l00192"></a>00192 <span class="comment">//</span>
  61 <a name="l00193"></a>00193 <span class="comment">// **************************************************************** //</span>
  62 <a name="l00194"></a>00194
  63 <a name="l00195"></a>00195 <span class="keyword">class </span>RtApi;
  64 <a name="l00196"></a>00196
  65 <a name="l00197"></a><a class="code" href="classRtAudio.html">00197</a> <span class="keyword">class </span><a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>
  66 <a name="l00198"></a>00198 {
  67 <a name="l00199"></a>00199  <span class="keyword">public</span>:
  68 <a name="l00200"></a>00200
  69 <a name="l00202"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849">00202</a>   <span class="keyword">enum</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> {
  70 <a name="l00203"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa49af3ac767106158bc6cad74fb214ae">00203</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa49af3ac767106158bc6cad74fb214ae">UNSPECIFIED</a>,
  71 <a name="l00204"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa7a2ba095c2806caa893b6fb8fc3a1a8">00204</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa7a2ba095c2806caa893b6fb8fc3a1a8">LINUX_ALSA</a>,
  72 <a name="l00205"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a39c84615e61de75e6a4e865596d62c82">00205</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a39c84615e61de75e6a4e865596d62c82">LINUX_OSS</a>,
  73 <a name="l00206"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a4767e17c6edfbd827f91763915df4105">00206</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a4767e17c6edfbd827f91763915df4105">UNIX_JACK</a>,
  74 <a name="l00207"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a9fec92b8272244a87a6a11a717bd662d">00207</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a9fec92b8272244a87a6a11a717bd662d">MACOSX_CORE</a>,
  75 <a name="l00208"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a219517d1df90f94d07758481155bd469">00208</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a219517d1df90f94d07758481155bd469">WINDOWS_ASIO</a>,
  76 <a name="l00209"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a28478830f42c2fd61e6c7ad498901931">00209</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a28478830f42c2fd61e6c7ad498901931">WINDOWS_DS</a>,
  77 <a name="l00210"></a><a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849ab06b8fd88bf18c9a2b8271f6961ae2d1">00210</a>     <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849ab06b8fd88bf18c9a2b8271f6961ae2d1">RTAUDIO_DUMMY</a>
  78 <a name="l00211"></a>00211   };
  79 <a name="l00212"></a>00212
  80 <a name="l00214"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html">00214</a>   <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> {
  81 <a name="l00215"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a97573717ccb1e75a834a0a108cd6982d">00215</a>     <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a97573717ccb1e75a834a0a108cd6982d">probed</a>;
  82 <a name="l00216"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a24df596ab8d54f2eb540c7cf16212b3b">00216</a>     std::string <a class="code" href="structRtAudio_1_1DeviceInfo.html#a24df596ab8d54f2eb540c7cf16212b3b">name</a>;
  83 <a name="l00217"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a81aaf488f8158ef55b1bb678f66feb7d">00217</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a81aaf488f8158ef55b1bb678f66feb7d">outputChannels</a>;
  84 <a name="l00218"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a56247b458a937ae84d98ca9c4b243275">00218</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a56247b458a937ae84d98ca9c4b243275">inputChannels</a>;
  85 <a name="l00219"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a3e8ad34c2d14e24293a0beafc26186e7">00219</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a3e8ad34c2d14e24293a0beafc26186e7">duplexChannels</a>;
  86 <a name="l00220"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a5365245e73ffe29a05734de4474acd58">00220</a>     <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a5365245e73ffe29a05734de4474acd58">isDefaultOutput</a>;
  87 <a name="l00221"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a7c8aca084bd908799b6be5954b80def2">00221</a>     <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a7c8aca084bd908799b6be5954b80def2">isDefaultInput</a>;
  88 <a name="l00222"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#afa65f5f92f66ce7aacd3ff35e11b230f">00222</a>     std::vector&lt;unsigned int&gt; <a class="code" href="structRtAudio_1_1DeviceInfo.html#afa65f5f92f66ce7aacd3ff35e11b230f">sampleRates</a>;
  89 <a name="l00223"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a23251b549b89b2fe04a57fcd7cb76ea4">00223</a>     <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>;
  90 <a name="l00225"></a>00225     <span class="comment">// Default constructor.</span>
  91 <a name="l00226"></a>00226     <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">DeviceInfo</a>()
  92 <a name="l00227"></a>00227       :<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),
  93 <a name="l00228"></a>00228        <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) {}
  94 <a name="l00229"></a>00229   };
  95 <a name="l00230"></a>00230
  96 <a name="l00232"></a><a class="code" href="structRtAudio_1_1StreamParameters.html">00232</a>   <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> {
  97 <a name="l00233"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#ab3c72bcf3ef12149ae9a4fb597cc5489">00233</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#ab3c72bcf3ef12149ae9a4fb597cc5489">deviceId</a>;
  98 <a name="l00234"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#a88a10091b6e284e21235cc6f25332ebd">00234</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#a88a10091b6e284e21235cc6f25332ebd">nChannels</a>;
  99 <a name="l00235"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#ad4b4503782653ec93c83328c46abe50c">00235</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#ad4b4503782653ec93c83328c46abe50c">firstChannel</a>;
 100 <a name="l00237"></a>00237     <span class="comment">// Default constructor.</span>
 101 <a name="l00238"></a>00238     <a class="code" href="structRtAudio_1_1StreamParameters.html" title="The structure for specifying input or ouput stream parameters.">StreamParameters</a>()
 102 <a name="l00239"></a>00239       : <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) {}
 103 <a name="l00240"></a>00240   };
 104 <a name="l00241"></a>00241
 105 <a name="l00243"></a>00243
 106 <a name="l00294"></a><a class="code" href="structRtAudio_1_1StreamOptions.html">00294</a>   <span class="keyword">struct </span><a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">StreamOptions</a> {
 107 <a name="l00295"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#a0ecc98b031aa3af49d09b781643e298b">00295</a>     <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>;
 108 <a name="l00296"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#a75a14cfab903d0e1c091bc16aec80240">00296</a>     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#a75a14cfab903d0e1c091bc16aec80240">numberOfBuffers</a>;
 109 <a name="l00297"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#a2a4b0b8d690c624d20f4e8f4be6ca9ba">00297</a>     std::string <a class="code" href="structRtAudio_1_1StreamOptions.html#a2a4b0b8d690c624d20f4e8f4be6ca9ba">streamName</a>;
 110 <a name="l00298"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#adfd267059434edb21573c584e6367def">00298</a>     <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#adfd267059434edb21573c584e6367def">priority</a>;
 111 <a name="l00300"></a>00300     <span class="comment">// Default constructor.</span>
 112 <a name="l00301"></a>00301     <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">StreamOptions</a>()
 113 <a name="l00302"></a>00302     : <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) {}
 114 <a name="l00303"></a>00303   };
 115 <a name="l00304"></a>00304
 116 <a name="l00306"></a>00306
 117 <a name="l00311"></a>00311   <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>();
 118 <a name="l00312"></a>00312
 119 <a name="l00314"></a>00314
 120 <a name="l00322"></a>00322   <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();
 121 <a name="l00323"></a>00323
 122 <a name="l00325"></a>00325
 123 <a name="l00329"></a>00329   ~<a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>() throw();
 124 <a name="l00330"></a>00330
 125 <a name="l00332"></a>00332   <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();
 126 <a name="l00333"></a>00333
 127 <a name="l00335"></a>00335
 128 <a name="l00340"></a>00340   <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();
 129 <a name="l00341"></a>00341
 130 <a name="l00343"></a>00343
 131 <a name="l00353"></a>00353   <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 );
 132 <a name="l00354"></a>00354
 133 <a name="l00356"></a>00356
 134 <a name="l00363"></a>00363   <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();
 135 <a name="l00364"></a>00364
 136 <a name="l00366"></a>00366
 137 <a name="l00373"></a>00373   <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();
 138 <a name="l00374"></a>00374
 139 <a name="l00376"></a>00376
 140 <a name="l00413"></a>00413   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#afacc99740fa4c5606fb35467cdea6da8" 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,
 141 <a name="l00414"></a>00414                    <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::StreamParameters *inputParameters,
 142 <a name="l00415"></a>00415                    <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,
 143 <a name="l00416"></a>00416                    <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,
 144 <a name="l00417"></a>00417                    <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 );
 145 <a name="l00418"></a>00418
 146 <a name="l00420"></a>00420
 147 <a name="l00424"></a>00424   <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();
 148 <a name="l00425"></a>00425
 149 <a name="l00427"></a>00427
 150 <a name="l00433"></a>00433   <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> );
 151 <a name="l00434"></a>00434
 152 <a name="l00436"></a>00436
 153 <a name="l00442"></a>00442   <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> );
 154 <a name="l00443"></a>00443
 155 <a name="l00445"></a>00445
 156 <a name="l00451"></a>00451   <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> );
 157 <a name="l00452"></a>00452
 158 <a name="l00454"></a>00454   <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();
 159 <a name="l00455"></a>00455
 160 <a name="l00457"></a>00457   <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();
 161 <a name="l00458"></a>00458
 162 <a name="l00460"></a>00460
 163 <a name="l00463"></a>00463   <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> );
 164 <a name="l00464"></a>00464
 165 <a name="l00466"></a>00466
 166 <a name="l00474"></a>00474   <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> );
 167 <a name="l00475"></a>00475
 168 <a name="l00477"></a>00477
 169 <a name="l00482"></a>00482   <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> );
 170 <a name="l00483"></a>00483
 171 <a name="l00485"></a>00485   <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();
 172 <a name="l00486"></a>00486
 173 <a name="l00487"></a>00487  protected:
 174 <a name="l00488"></a>00488
 175 <a name="l00489"></a>00489   <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 );
 176 <a name="l00490"></a>00490   RtApi *rtapi_;
 177 <a name="l00491"></a>00491 };
 178 <a name="l00492"></a>00492
 179 <a name="l00493"></a>00493 <span class="comment">// Operating system dependent thread functionality.</span>
 180 <a name="l00494"></a>00494 <span class="preprocessor">#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__)</span>
 181 <a name="l00495"></a>00495 <span class="preprocessor"></span><span class="preprocessor">  #include &lt;windows.h&gt;</span>
 182 <a name="l00496"></a>00496 <span class="preprocessor">  #include &lt;process.h&gt;</span>
 183 <a name="l00497"></a>00497
 184 <a name="l00498"></a>00498   <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ThreadHandle;
 185 <a name="l00499"></a>00499   <span class="keyword">typedef</span> CRITICAL_SECTION StreamMutex;
 186 <a name="l00500"></a>00500
 187 <a name="l00501"></a>00501 <span class="preprocessor">#elif defined(__LINUX_ALSA__) || defined(__UNIX_JACK__) || defined(__LINUX_OSS__) || defined(__MACOSX_CORE__)</span>
 188 <a name="l00502"></a>00502 <span class="preprocessor"></span>  <span class="comment">// Using pthread library for various flavors of unix.</span>
 189 <a name="l00503"></a>00503 <span class="preprocessor">  #include &lt;pthread.h&gt;</span>
 190 <a name="l00504"></a>00504
 191 <a name="l00505"></a>00505   <span class="keyword">typedef</span> pthread_t ThreadHandle;
 192 <a name="l00506"></a>00506   <span class="keyword">typedef</span> pthread_mutex_t StreamMutex;
 193 <a name="l00507"></a>00507
 194 <a name="l00508"></a>00508 <span class="preprocessor">#else // Setup for &quot;dummy&quot; behavior</span>
 195 <a name="l00509"></a>00509 <span class="preprocessor"></span>
 196 <a name="l00510"></a>00510 <span class="preprocessor">  #define __RTAUDIO_DUMMY__</span>
 197 <a name="l00511"></a>00511 <span class="preprocessor"></span>  <span class="keyword">typedef</span> <span class="keywordtype">int</span> ThreadHandle;
 198 <a name="l00512"></a>00512   <span class="keyword">typedef</span> <span class="keywordtype">int</span> StreamMutex;
 199 <a name="l00513"></a>00513
 200 <a name="l00514"></a>00514 <span class="preprocessor">#endif</span>
 201 <a name="l00515"></a>00515 <span class="preprocessor"></span>
 202 <a name="l00516"></a>00516 <span class="comment">// This global structure type is used to pass callback information</span>
 203 <a name="l00517"></a>00517 <span class="comment">// between the private RtAudio stream structure and global callback</span>
 204 <a name="l00518"></a>00518 <span class="comment">// handling functions.</span>
 205 <a name="l00519"></a>00519 <span class="keyword">struct </span>CallbackInfo {
 206 <a name="l00520"></a>00520   <span class="keywordtype">void</span> *object;    <span class="comment">// Used as a &quot;this&quot; pointer.</span>
 207 <a name="l00521"></a>00521   ThreadHandle thread;
 208 <a name="l00522"></a>00522   <span class="keywordtype">void</span> *callback;
 209 <a name="l00523"></a>00523   <span class="keywordtype">void</span> *userData;
 210 <a name="l00524"></a>00524   <span class="keywordtype">void</span> *apiInfo;   <span class="comment">// void pointer for API specific callback information</span>
 211 <a name="l00525"></a>00525   <span class="keywordtype">bool</span> isRunning;
 212 <a name="l00526"></a>00526
 213 <a name="l00527"></a>00527   <span class="comment">// Default constructor.</span>
 214 <a name="l00528"></a>00528   CallbackInfo()
 215 <a name="l00529"></a>00529     :object(0), callback(0), userData(0), apiInfo(0), isRunning(false) {}
 216 <a name="l00530"></a>00530 };
 217 <a name="l00531"></a>00531
 218 <a name="l00532"></a>00532 <span class="comment">// **************************************************************** //</span>
 219 <a name="l00533"></a>00533 <span class="comment">//</span>
 220 <a name="l00534"></a>00534 <span class="comment">// RtApi class declaration.</span>
 221 <a name="l00535"></a>00535 <span class="comment">//</span>
 222 <a name="l00536"></a>00536 <span class="comment">// Subclasses of RtApi contain all API- and OS-specific code necessary</span>
 223 <a name="l00537"></a>00537 <span class="comment">// to fully implement the RtAudio API.</span>
 224 <a name="l00538"></a>00538 <span class="comment">//</span>
 225 <a name="l00539"></a>00539 <span class="comment">// Note that RtApi is an abstract base class and cannot be</span>
 226 <a name="l00540"></a>00540 <span class="comment">// explicitly instantiated.  The class RtAudio will create an</span>
 227 <a name="l00541"></a>00541 <span class="comment">// instance of an RtApi subclass (RtApiOss, RtApiAlsa,</span>
 228 <a name="l00542"></a>00542 <span class="comment">// RtApiJack, RtApiCore, RtApiAl, RtApiDs, or RtApiAsio).</span>
 229 <a name="l00543"></a>00543 <span class="comment">//</span>
 230 <a name="l00544"></a>00544 <span class="comment">// **************************************************************** //</span>
 231 <a name="l00545"></a>00545
 232 <a name="l00546"></a>00546 <span class="preprocessor">#if defined( HAVE_GETTIMEOFDAY )</span>
 233 <a name="l00547"></a>00547 <span class="preprocessor"></span><span class="preprocessor">  #include &lt;sys/time.h&gt;</span>
 234 <a name="l00548"></a>00548 <span class="preprocessor">#endif</span>
 235 <a name="l00549"></a>00549 <span class="preprocessor"></span>
 236 <a name="l00550"></a>00550 <span class="preprocessor">#include &lt;sstream&gt;</span>
 237 <a name="l00551"></a>00551
 238 <a name="l00552"></a>00552 <span class="keyword">class </span>RtApi
 239 <a name="l00553"></a>00553 {
 240 <a name="l00554"></a>00554 <span class="keyword">public</span>:
 241 <a name="l00555"></a>00555
 242 <a name="l00556"></a>00556   RtApi();
 243 <a name="l00557"></a>00557   <span class="keyword">virtual</span> ~RtApi();
 244 <a name="l00558"></a>00558   <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;
 245 <a name="l00559"></a>00559   <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;
 246 <a name="l00560"></a>00560   <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;
 247 <a name="l00561"></a>00561   <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> );
 248 <a name="l00562"></a>00562   <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> );
 249 <a name="l00563"></a>00563   <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#afacc99740fa4c5606fb35467cdea6da8" 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,
 250 <a name="l00564"></a>00564                    <a class="code" href="structRtAudio_1_1StreamParameters.html" title="The structure for specifying input or ouput stream parameters.">RtAudio::StreamParameters</a> *inputParameters,
 251 <a name="l00565"></a>00565                    <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,
 252 <a name="l00566"></a>00566                    <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,
 253 <a name="l00567"></a>00567                    <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 );
 254 <a name="l00568"></a>00568   <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> );
 255 <a name="l00569"></a>00569   <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;
 256 <a name="l00570"></a>00570   <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;
 257 <a name="l00571"></a>00571   <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;
 258 <a name="l00572"></a>00572   <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> );
 259 <a name="l00573"></a>00573   <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> );
 260 <a name="l00574"></a>00574   <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> );
 261 <a name="l00575"></a>00575   <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; };
 262 <a name="l00576"></a>00576   <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; };
 263 <a name="l00577"></a>00577   <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; };
 264 <a name="l00578"></a>00578
 265 <a name="l00579"></a>00579
 266 <a name="l00580"></a>00580 <span class="keyword">protected</span>:
 267 <a name="l00581"></a>00581
 268 <a name="l00582"></a>00582   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MAX_SAMPLE_RATES;
 269 <a name="l00583"></a>00583   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> SAMPLE_RATES[];
 270 <a name="l00584"></a>00584
 271 <a name="l00585"></a>00585   <span class="keyword">enum</span> { FAILURE, SUCCESS };
 272 <a name="l00586"></a>00586
 273 <a name="l00587"></a>00587   <span class="keyword">enum</span> StreamState {
 274 <a name="l00588"></a>00588     STREAM_STOPPED,
 275 <a name="l00589"></a>00589     STREAM_RUNNING,
 276 <a name="l00590"></a>00590     STREAM_CLOSED = -50
 277 <a name="l00591"></a>00591   };
 278 <a name="l00592"></a>00592
 279 <a name="l00593"></a>00593   <span class="keyword">enum</span> StreamMode {
 280 <a name="l00594"></a>00594     OUTPUT,
 281 <a name="l00595"></a>00595     INPUT,
 282 <a name="l00596"></a>00596     DUPLEX,
 283 <a name="l00597"></a>00597     UNINITIALIZED = -75
 284 <a name="l00598"></a>00598   };
 285 <a name="l00599"></a>00599
 286 <a name="l00600"></a>00600   <span class="comment">// A protected structure used for buffer conversion.</span>
 287 <a name="l00601"></a>00601   <span class="keyword">struct </span>ConvertInfo {
 288 <a name="l00602"></a>00602     <span class="keywordtype">int</span> channels;
 289 <a name="l00603"></a>00603     <span class="keywordtype">int</span> inJump, outJump;
 290 <a name="l00604"></a>00604     <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> inFormat, outFormat;
 291 <a name="l00605"></a>00605     std::vector&lt;int&gt; inOffset;
 292 <a name="l00606"></a>00606     std::vector&lt;int&gt; outOffset;
 293 <a name="l00607"></a>00607   };
 294 <a name="l00608"></a>00608
 295 <a name="l00609"></a>00609   <span class="comment">// A protected structure for audio streams.</span>
 296 <a name="l00610"></a>00610   <span class="keyword">struct </span>RtApiStream {
 297 <a name="l00611"></a>00611     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device[2];    <span class="comment">// Playback and record, respectively.</span>
 298 <a name="l00612"></a>00612     <span class="keywordtype">void</span> *apiHandle;           <span class="comment">// void pointer for API specific stream handle information</span>
 299 <a name="l00613"></a>00613     StreamMode mode;           <span class="comment">// OUTPUT, INPUT, or DUPLEX.</span>
 300 <a name="l00614"></a>00614     StreamState state;         <span class="comment">// STOPPED, RUNNING, or CLOSED</span>
 301 <a name="l00615"></a>00615     <span class="keywordtype">char</span> *userBuffer[2];       <span class="comment">// Playback and record, respectively.</span>
 302 <a name="l00616"></a>00616     <span class="keywordtype">char</span> *deviceBuffer;
 303 <a name="l00617"></a>00617     <span class="keywordtype">bool</span> doConvertBuffer[2];   <span class="comment">// Playback and record, respectively.</span>
 304 <a name="l00618"></a>00618     <span class="keywordtype">bool</span> userInterleaved;
 305 <a name="l00619"></a>00619     <span class="keywordtype">bool</span> deviceInterleaved[2]; <span class="comment">// Playback and record, respectively.</span>
 306 <a name="l00620"></a>00620     <span class="keywordtype">bool</span> doByteSwap[2];        <span class="comment">// Playback and record, respectively.</span>
 307 <a name="l00621"></a>00621     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate;
 308 <a name="l00622"></a>00622     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferSize;
 309 <a name="l00623"></a>00623     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBuffers;
 310 <a name="l00624"></a>00624     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nUserChannels[2];    <span class="comment">// Playback and record, respectively.</span>
 311 <a name="l00625"></a>00625     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nDeviceChannels[2];  <span class="comment">// Playback and record channels, respectively.</span>
 312 <a name="l00626"></a>00626     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channelOffset[2];    <span class="comment">// Playback and record, respectively.</span>
 313 <a name="l00627"></a>00627     <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> latency[2];         <span class="comment">// Playback and record, respectively.</span>
 314 <a name="l00628"></a>00628     <a class="code" href="RtAudio_8h.html#aafca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> userFormat;
 315 <a name="l00629"></a>00629     <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>
 316 <a name="l00630"></a>00630     StreamMutex mutex;
 317 <a name="l00631"></a>00631     CallbackInfo callbackInfo;
 318 <a name="l00632"></a>00632     ConvertInfo convertInfo[2];
 319 <a name="l00633"></a>00633     <span class="keywordtype">double</span> streamTime;         <span class="comment">// Number of elapsed seconds since the stream started.</span>
 320 <a name="l00634"></a>00634
 321 <a name="l00635"></a>00635 <span class="preprocessor">#if defined(HAVE_GETTIMEOFDAY)</span>
 322 <a name="l00636"></a>00636 <span class="preprocessor"></span>    <span class="keyword">struct </span>timeval lastTickTimestamp;
 323 <a name="l00637"></a>00637 <span class="preprocessor">#endif</span>
 324 <a name="l00638"></a>00638 <span class="preprocessor"></span>
 325 <a name="l00639"></a>00639     RtApiStream()
 326 <a name="l00640"></a>00640       :apiHandle(0), deviceBuffer(0) { device[0] = 11111; device[1] = 11111; }
 327 <a name="l00641"></a>00641   };
 328 <a name="l00642"></a>00642
 329 <a name="l00643"></a>00643   <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> Int16;
 330 <a name="l00644"></a>00644   <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">int</span> Int32;
 331 <a name="l00645"></a>00645   <span class="keyword">typedef</span> <span class="keywordtype">float</span> Float32;
 332 <a name="l00646"></a>00646   <span class="keyword">typedef</span> <span class="keywordtype">double</span> Float64;
 333 <a name="l00647"></a>00647
 334 <a name="l00648"></a>00648   std::ostringstream errorStream_;
 335 <a name="l00649"></a>00649   std::string errorText_;
 336 <a name="l00650"></a>00650   <span class="keywordtype">bool</span> showWarnings_;
 337 <a name="l00651"></a>00651   RtApiStream stream_;
 338 <a name="l00652"></a>00652
 339 <a name="l00660"></a>00660   <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="l00661"></a>00661                                 <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="l00662"></a>00662                                 <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,
 342 <a name="l00663"></a>00663                                 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 343 <a name="l00664"></a>00664
 344 <a name="l00666"></a>00666   <span class="keywordtype">void</span> tickStreamTime( <span class="keywordtype">void</span> );
 345 <a name="l00667"></a>00667
 346 <a name="l00669"></a>00669   <span class="keywordtype">void</span> clearStreamInfo();
 347 <a name="l00670"></a>00670
 348 <a name="l00675"></a>00675   <span class="keywordtype">void</span> verifyStream( <span class="keywordtype">void</span> );
 349 <a name="l00676"></a>00676
 350 <a name="l00678"></a>00678   <span class="keywordtype">void</span> error( <a class="code" href="classRtError.html#ab04667aae01bffc354a9ac6bda6903ac" title="Defined RtError types.">RtError::Type</a> type );
 351 <a name="l00679"></a>00679
 352 <a name="l00684"></a>00684   <span class="keywordtype">void</span> convertBuffer( <span class="keywordtype">char</span> *outBuffer, <span class="keywordtype">char</span> *inBuffer, ConvertInfo &amp;info );
 353 <a name="l00685"></a>00685
 354 <a name="l00687"></a>00687   <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 );
 355 <a name="l00688"></a>00688
 356 <a name="l00690"></a>00690   <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 );
 357 <a name="l00691"></a>00691
 358 <a name="l00693"></a>00693   <span class="keywordtype">void</span> setConvertInfo( StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel );
 359 <a name="l00694"></a>00694 };
 360 <a name="l00695"></a>00695
 361 <a name="l00696"></a>00696 <span class="comment">// **************************************************************** //</span>
 362 <a name="l00697"></a>00697 <span class="comment">//</span>
 363 <a name="l00698"></a>00698 <span class="comment">// Inline RtAudio definitions.</span>
 364 <a name="l00699"></a>00699 <span class="comment">//</span>
 365 <a name="l00700"></a>00700 <span class="comment">// **************************************************************** //</span>
 366 <a name="l00701"></a>00701
 367 <a name="l00702"></a><a class="code" href="classRtAudio.html#a83687634795792b2c47e4ae1cf8a5246">00702</a> <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(); }
 368 <a name="l00703"></a><a class="code" href="classRtAudio.html#a747ce2d73803641bbb66d6e78092aa1a">00703</a> <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(); }
 369 <a name="l00704"></a><a class="code" href="classRtAudio.html#a02d7ff44ad1d7eae22283a052f3dfda8">00704</a> <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 ); }
 370 <a name="l00705"></a><a class="code" href="classRtAudio.html#aad8b94edd3cd379ee300b125750ac6ce">00705</a> <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(); }
 371 <a name="l00706"></a><a class="code" href="classRtAudio.html#a3a3f3dbe13ea696b521e49cdaaa357bc">00706</a> <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(); }
 372 <a name="l00707"></a><a class="code" href="classRtAudio.html#a90d599002ad32cf250a4cb866f2cc93a">00707</a> <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(); }
 373 <a name="l00708"></a><a class="code" href="classRtAudio.html#aec017a89629ccef66a90b60be22a2f80">00708</a> <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(); }
 374 <a name="l00709"></a><a class="code" href="classRtAudio.html#af4c241ff86936ecc8108f0d9dfe3efdd">00709</a> <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(); }
 375 <a name="l00710"></a><a class="code" href="classRtAudio.html#ad0586b47cd6bb9591a80b4052815991f">00710</a> <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(); }
 376 <a name="l00711"></a><a class="code" href="classRtAudio.html#a3863e45ff81dbe97176de0ee7545917f">00711</a> <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(); }
 377 <a name="l00712"></a><a class="code" href="classRtAudio.html#a84cc8d9b7ab9bc5f37bcf48430ec5aea">00712</a> <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(); }
 378 <a name="l00713"></a><a class="code" href="classRtAudio.html#a843c989d9f501c71bc2f2c5ca18df9f3">00713</a> <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(); }
 379 <a name="l00714"></a><a class="code" href="classRtAudio.html#a28214b8b05d60b45c24ee6fae7b2a0b5">00714</a> <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(); };
 380 <a name="l00715"></a><a class="code" href="classRtAudio.html#a344e59a62353c5791db4621b985cb2ca">00715</a> <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(); }
 381 <a name="l00716"></a><a class="code" href="classRtAudio.html#af0752ee51cce3dd90a3bd009f9fdbe77">00716</a> <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 ); }
 382 <a name="l00717"></a>00717
 383 <a name="l00718"></a>00718 <span class="comment">// RtApi Subclass prototypes.</span>
 384 <a name="l00719"></a>00719
 385 <a name="l00720"></a>00720 <span class="preprocessor">#if defined(__MACOSX_CORE__)</span>
 386 <a name="l00721"></a>00721 <span class="preprocessor"></span>
 387 <a name="l00722"></a>00722 <span class="preprocessor">#include &lt;CoreAudio/AudioHardware.h&gt;</span>
 388 <a name="l00723"></a>00723
 389 <a name="l00724"></a>00724 <span class="keyword">class </span>RtApiCore: <span class="keyword">public</span> RtApi
 390 <a name="l00725"></a>00725 {
 391 <a name="l00726"></a>00726 <span class="keyword">public</span>:
 392 <a name="l00727"></a>00727
 393 <a name="l00728"></a>00728   RtApiCore();
 394 <a name="l00729"></a>00729   ~RtApiCore();
 395 <a name="l00730"></a>00730   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a9fec92b8272244a87a6a11a717bd662d">RtAudio::MACOSX_CORE</a>; };
 396 <a name="l00731"></a>00731   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 397 <a name="l00732"></a>00732   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 398 <a name="l00733"></a>00733   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> );
 399 <a name="l00734"></a>00734   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> );
 400 <a name="l00735"></a>00735   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 401 <a name="l00736"></a>00736   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 402 <a name="l00737"></a>00737   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 403 <a name="l00738"></a>00738   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 404 <a name="l00739"></a>00739   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 405 <a name="l00740"></a>00740
 406 <a name="l00741"></a>00741   <span class="comment">// This function is intended for internal use only.  It must be</span>
 407 <a name="l00742"></a>00742   <span class="comment">// public because it is called by the internal callback handler,</span>
 408 <a name="l00743"></a>00743   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 409 <a name="l00744"></a>00744   <span class="comment">// will most likely produce highly undesireable results!</span>
 410 <a name="l00745"></a>00745   <span class="keywordtype">bool</span> callbackEvent( AudioDeviceID deviceId,
 411 <a name="l00746"></a>00746                       <span class="keyword">const</span> AudioBufferList *inBufferList,
 412 <a name="l00747"></a>00747                       <span class="keyword">const</span> AudioBufferList *outBufferList );
 413 <a name="l00748"></a>00748
 414 <a name="l00749"></a>00749   <span class="keyword">private</span>:
 415 <a name="l00750"></a>00750
 416 <a name="l00751"></a>00751   <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,
 417 <a name="l00752"></a>00752                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 418 <a name="l00753"></a>00753                         <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,
 419 <a name="l00754"></a>00754                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 420 <a name="l00755"></a>00755   <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getErrorCode( OSStatus code );
 421 <a name="l00756"></a>00756 };
 422 <a name="l00757"></a>00757
 423 <a name="l00758"></a>00758 <span class="preprocessor">#endif</span>
 424 <a name="l00759"></a>00759 <span class="preprocessor"></span>
 425 <a name="l00760"></a>00760 <span class="preprocessor">#if defined(__UNIX_JACK__)</span>
 426 <a name="l00761"></a>00761 <span class="preprocessor"></span>
 427 <a name="l00762"></a>00762 <span class="keyword">class </span>RtApiJack: <span class="keyword">public</span> RtApi
 428 <a name="l00763"></a>00763 {
 429 <a name="l00764"></a>00764 <span class="keyword">public</span>:
 430 <a name="l00765"></a>00765
 431 <a name="l00766"></a>00766   RtApiJack();
 432 <a name="l00767"></a>00767   ~RtApiJack();
 433 <a name="l00768"></a>00768   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a4767e17c6edfbd827f91763915df4105">RtAudio::UNIX_JACK</a>; };
 434 <a name="l00769"></a>00769   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 435 <a name="l00770"></a>00770   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 436 <a name="l00771"></a>00771   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 437 <a name="l00772"></a>00772   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 438 <a name="l00773"></a>00773   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 439 <a name="l00774"></a>00774   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 440 <a name="l00775"></a>00775   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 441 <a name="l00776"></a>00776
 442 <a name="l00777"></a>00777   <span class="comment">// This function is intended for internal use only.  It must be</span>
 443 <a name="l00778"></a>00778   <span class="comment">// public because it is called by the internal callback handler,</span>
 444 <a name="l00779"></a>00779   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 445 <a name="l00780"></a>00780   <span class="comment">// will most likely produce highly undesireable results!</span>
 446 <a name="l00781"></a>00781   <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes );
 447 <a name="l00782"></a>00782
 448 <a name="l00783"></a>00783   <span class="keyword">private</span>:
 449 <a name="l00784"></a>00784
 450 <a name="l00785"></a>00785   <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,
 451 <a name="l00786"></a>00786                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 452 <a name="l00787"></a>00787                         <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,
 453 <a name="l00788"></a>00788                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 454 <a name="l00789"></a>00789 };
 455 <a name="l00790"></a>00790
 456 <a name="l00791"></a>00791 <span class="preprocessor">#endif</span>
 457 <a name="l00792"></a>00792 <span class="preprocessor"></span>
 458 <a name="l00793"></a>00793 <span class="preprocessor">#if defined(__WINDOWS_ASIO__)</span>
 459 <a name="l00794"></a>00794 <span class="preprocessor"></span>
 460 <a name="l00795"></a>00795 <span class="keyword">class </span>RtApiAsio: <span class="keyword">public</span> RtApi
 461 <a name="l00796"></a>00796 {
 462 <a name="l00797"></a>00797 <span class="keyword">public</span>:
 463 <a name="l00798"></a>00798
 464 <a name="l00799"></a>00799   RtApiAsio();
 465 <a name="l00800"></a>00800   ~RtApiAsio();
 466 <a name="l00801"></a>00801   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a219517d1df90f94d07758481155bd469">RtAudio::WINDOWS_ASIO</a>; };
 467 <a name="l00802"></a>00802   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 468 <a name="l00803"></a>00803   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 469 <a name="l00804"></a>00804   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 470 <a name="l00805"></a>00805   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 471 <a name="l00806"></a>00806   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 472 <a name="l00807"></a>00807   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 473 <a name="l00808"></a>00808   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 474 <a name="l00809"></a>00809
 475 <a name="l00810"></a>00810   <span class="comment">// This function is intended for internal use only.  It must be</span>
 476 <a name="l00811"></a>00811   <span class="comment">// public because it is called by the internal callback handler,</span>
 477 <a name="l00812"></a>00812   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 478 <a name="l00813"></a>00813   <span class="comment">// will most likely produce highly undesireable results!</span>
 479 <a name="l00814"></a>00814   <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">long</span> bufferIndex );
 480 <a name="l00815"></a>00815
 481 <a name="l00816"></a>00816   <span class="keyword">private</span>:
 482 <a name="l00817"></a>00817
 483 <a name="l00818"></a>00818   std::vector&lt;RtAudio::DeviceInfo&gt; devices_;
 484 <a name="l00819"></a>00819   <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );
 485 <a name="l00820"></a>00820   <span class="keywordtype">bool</span> coInitialized_;
 486 <a name="l00821"></a>00821   <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,
 487 <a name="l00822"></a>00822                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 488 <a name="l00823"></a>00823                         <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,
 489 <a name="l00824"></a>00824                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 490 <a name="l00825"></a>00825 };
 491 <a name="l00826"></a>00826
 492 <a name="l00827"></a>00827 <span class="preprocessor">#endif</span>
 493 <a name="l00828"></a>00828 <span class="preprocessor"></span>
 494 <a name="l00829"></a>00829 <span class="preprocessor">#if defined(__WINDOWS_DS__)</span>
 495 <a name="l00830"></a>00830 <span class="preprocessor"></span>
 496 <a name="l00831"></a>00831 <span class="keyword">class </span>RtApiDs: <span class="keyword">public</span> RtApi
 497 <a name="l00832"></a>00832 {
 498 <a name="l00833"></a>00833 <span class="keyword">public</span>:
 499 <a name="l00834"></a>00834
 500 <a name="l00835"></a>00835   RtApiDs();
 501 <a name="l00836"></a>00836   ~RtApiDs();
 502 <a name="l00837"></a>00837   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a28478830f42c2fd61e6c7ad498901931">RtAudio::WINDOWS_DS</a>; };
 503 <a name="l00838"></a>00838   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 504 <a name="l00839"></a>00839   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> );
 505 <a name="l00840"></a>00840   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> );
 506 <a name="l00841"></a>00841   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 507 <a name="l00842"></a>00842   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 508 <a name="l00843"></a>00843   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 509 <a name="l00844"></a>00844   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 510 <a name="l00845"></a>00845   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 511 <a name="l00846"></a>00846   <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
 512 <a name="l00847"></a>00847
 513 <a name="l00848"></a>00848   <span class="comment">// This function is intended for internal use only.  It must be</span>
 514 <a name="l00849"></a>00849   <span class="comment">// public because it is called by the internal callback handler,</span>
 515 <a name="l00850"></a>00850   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 516 <a name="l00851"></a>00851   <span class="comment">// will most likely produce highly undesireable results!</span>
 517 <a name="l00852"></a>00852   <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
 518 <a name="l00853"></a>00853
 519 <a name="l00854"></a>00854   <span class="keyword">private</span>:
 520 <a name="l00855"></a>00855
 521 <a name="l00856"></a>00856   <span class="keywordtype">bool</span> coInitialized_;
 522 <a name="l00857"></a>00857   <span class="keywordtype">bool</span> buffersRolling;
 523 <a name="l00858"></a>00858   <span class="keywordtype">long</span> duplexPrerollBytes;
 524 <a name="l00859"></a>00859   <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,
 525 <a name="l00860"></a>00860                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 526 <a name="l00861"></a>00861                         <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,
 527 <a name="l00862"></a>00862                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 528 <a name="l00863"></a>00863 };
 529 <a name="l00864"></a>00864
 530 <a name="l00865"></a>00865 <span class="preprocessor">#endif</span>
 531 <a name="l00866"></a>00866 <span class="preprocessor"></span>
 532 <a name="l00867"></a>00867 <span class="preprocessor">#if defined(__LINUX_ALSA__)</span>
 533 <a name="l00868"></a>00868 <span class="preprocessor"></span>
 534 <a name="l00869"></a>00869 <span class="keyword">class </span>RtApiAlsa: <span class="keyword">public</span> RtApi
 535 <a name="l00870"></a>00870 {
 536 <a name="l00871"></a>00871 <span class="keyword">public</span>:
 537 <a name="l00872"></a>00872
 538 <a name="l00873"></a>00873   RtApiAlsa();
 539 <a name="l00874"></a>00874   ~RtApiAlsa();
 540 <a name="l00875"></a>00875   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849aa7a2ba095c2806caa893b6fb8fc3a1a8">RtAudio::LINUX_ALSA</a>; };
 541 <a name="l00876"></a>00876   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 542 <a name="l00877"></a>00877   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 543 <a name="l00878"></a>00878   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 544 <a name="l00879"></a>00879   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 545 <a name="l00880"></a>00880   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 546 <a name="l00881"></a>00881   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 547 <a name="l00882"></a>00882
 548 <a name="l00883"></a>00883   <span class="comment">// This function is intended for internal use only.  It must be</span>
 549 <a name="l00884"></a>00884   <span class="comment">// public because it is called by the internal callback handler,</span>
 550 <a name="l00885"></a>00885   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 551 <a name="l00886"></a>00886   <span class="comment">// will most likely produce highly undesireable results!</span>
 552 <a name="l00887"></a>00887   <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
 553 <a name="l00888"></a>00888
 554 <a name="l00889"></a>00889   <span class="keyword">private</span>:
 555 <a name="l00890"></a>00890
 556 <a name="l00891"></a>00891   std::vector&lt;RtAudio::DeviceInfo&gt; devices_;
 557 <a name="l00892"></a>00892   <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );
 558 <a name="l00893"></a>00893   <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,
 559 <a name="l00894"></a>00894                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 560 <a name="l00895"></a>00895                         <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,
 561 <a name="l00896"></a>00896                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 562 <a name="l00897"></a>00897 };
 563 <a name="l00898"></a>00898
 564 <a name="l00899"></a>00899 <span class="preprocessor">#endif</span>
 565 <a name="l00900"></a>00900 <span class="preprocessor"></span>
 566 <a name="l00901"></a>00901 <span class="preprocessor">#if defined(__LINUX_OSS__)</span>
 567 <a name="l00902"></a>00902 <span class="preprocessor"></span>
 568 <a name="l00903"></a>00903 <span class="keyword">class </span>RtApiOss: <span class="keyword">public</span> RtApi
 569 <a name="l00904"></a>00904 {
 570 <a name="l00905"></a>00905 <span class="keyword">public</span>:
 571 <a name="l00906"></a>00906
 572 <a name="l00907"></a>00907   RtApiOss();
 573 <a name="l00908"></a>00908   ~RtApiOss();
 574 <a name="l00909"></a>00909   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849a39c84615e61de75e6a4e865596d62c82">RtAudio::LINUX_OSS</a>; };
 575 <a name="l00910"></a>00910   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
 576 <a name="l00911"></a>00911   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
 577 <a name="l00912"></a>00912   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
 578 <a name="l00913"></a>00913   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
 579 <a name="l00914"></a>00914   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
 580 <a name="l00915"></a>00915   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
 581 <a name="l00916"></a>00916
 582 <a name="l00917"></a>00917   <span class="comment">// This function is intended for internal use only.  It must be</span>
 583 <a name="l00918"></a>00918   <span class="comment">// public because it is called by the internal callback handler,</span>
 584 <a name="l00919"></a>00919   <span class="comment">// which is not a member of RtAudio.  External use of this function</span>
 585 <a name="l00920"></a>00920   <span class="comment">// will most likely produce highly undesireable results!</span>
 586 <a name="l00921"></a>00921   <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
 587 <a name="l00922"></a>00922
 588 <a name="l00923"></a>00923   <span class="keyword">private</span>:
 589 <a name="l00924"></a>00924
 590 <a name="l00925"></a>00925   <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,
 591 <a name="l00926"></a>00926                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 592 <a name="l00927"></a>00927                         <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,
 593 <a name="l00928"></a>00928                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
 594 <a name="l00929"></a>00929 };
 595 <a name="l00930"></a>00930
 596 <a name="l00931"></a>00931 <span class="preprocessor">#endif</span>
 597 <a name="l00932"></a>00932 <span class="preprocessor"></span>
 598 <a name="l00933"></a>00933 <span class="preprocessor">#if defined(__RTAUDIO_DUMMY__)</span>
 599 <a name="l00934"></a>00934 <span class="preprocessor"></span>
 600 <a name="l00935"></a>00935 <span class="keyword">class </span>RtApiDummy: <span class="keyword">public</span> RtApi
 601 <a name="l00936"></a>00936 {
 602 <a name="l00937"></a>00937 <span class="keyword">public</span>:
 603 <a name="l00938"></a>00938
 604 <a name="l00939"></a>00939   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> ); };
 605 <a name="l00940"></a>00940   <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#ac9b6f625da88249d08a8409a9db0d849ab06b8fd88bf18c9a2b8271f6961ae2d1">RtAudio::RTAUDIO_DUMMY</a>; };
 606 <a name="l00941"></a>00941   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> 0; };
 607 <a name="l00942"></a>00942   <a class="code" href="structRtAudio_1_1DeviceInfo.html" title="The public device information structure for returning queried values.">RtAudio::DeviceInfo</a> getDeviceInfo( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device ) { <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; };
 608 <a name="l00943"></a>00943   <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ) {};
 609 <a name="l00944"></a>00944   <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ) {};
 610 <a name="l00945"></a>00945   <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ) {};
 611 <a name="l00946"></a>00946   <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ) {};
 612 <a name="l00947"></a>00947
 613 <a name="l00948"></a>00948   <span class="keyword">private</span>:
 614 <a name="l00949"></a>00949
 615 <a name="l00950"></a>00950   <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,
 616 <a name="l00951"></a>00951                         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
 617 <a name="l00952"></a>00952                         <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,
 618 <a name="l00953"></a>00953                         <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options ) { <span class="keywordflow">return</span> <span class="keyword">false</span>; };
 619 <a name="l00954"></a>00954 };
 620 <a name="l00955"></a>00955
 621 <a name="l00956"></a>00956 <span class="preprocessor">#endif</span>
 622 <a name="l00957"></a>00957 <span class="preprocessor"></span>
 623 <a name="l00958"></a>00958 <span class="preprocessor">#endif</span>
 624 <a name="l00959"></a>00959 <span class="preprocessor"></span>
 625 <a name="l00960"></a>00960 <span class="comment">// Indentation settings for Vim and Emacs</span>
 626 <a name="l00961"></a>00961 <span class="comment">//</span>
 627 <a name="l00962"></a>00962 <span class="comment">// Local Variables:</span>
 628 <a name="l00963"></a>00963 <span class="comment">// c-basic-offset: 2</span>
 629 <a name="l00964"></a>00964 <span class="comment">// indent-tabs-mode: nil</span>
 630 <a name="l00965"></a>00965 <span class="comment">// End:</span>
 631 <a name="l00966"></a>00966 <span class="comment">//</span>
 632 <a name="l00967"></a>00967 <span class="comment">// vim: et sts=2 sw=2</span>
 633 </pre></div></div>
 634 <HR>
 635
 636 <table><tr><td><img src="../images/mcgill.gif" width=165></td>
 637   <td>&copy;2001-2010 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>
 638 </table>
 639
 640 </BODY>
 641 </HTML>