<HTML>
<HEAD>
-<TITLE>The RtAudio Tutorial</TITLE>
+<TITLE>The RtAudio Home Page</TITLE>
<LINK HREF="doxygen.css" REL="stylesheet" TYPE="text/css">
+<LINK REL="SHORTCUT ICON" HREF="http://www.music.mcgill.ca/~gary/favicon.ico">
</HEAD>
<BODY BGCOLOR="#FFFFFF">
<CENTER>
-<a class="qindex" href="index.html">Tutorial</a> <a class="qindex" href="annotated.html">Class/Enum List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </CENTER>
+<a class="qindex" href="index.html">Home</a> <a class="qindex" href="annotated.html">Class/Enum List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> </CENTER>
+<HR>
+<!-- Generated by Doxygen 1.5.8 -->
+<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>
+<a name="l00039"></a>00039 <span class="comment">/************************************************************************/</span>
+<a name="l00040"></a>00040
+<a name="l00045"></a>00045 <span class="comment">// RtAudio: Version 4.0.5</span>
+<a name="l00046"></a>00046
+<a name="l00047"></a>00047 <span class="preprocessor">#ifndef __RTAUDIO_H</span>
+<a name="l00048"></a>00048 <span class="preprocessor"></span><span class="preprocessor">#define __RTAUDIO_H</span>
+<a name="l00049"></a>00049 <span class="preprocessor"></span>
+<a name="l00050"></a>00050 <span class="preprocessor">#include <string></span>
+<a name="l00051"></a>00051 <span class="preprocessor">#include <vector></span>
+<a name="l00052"></a>00052 <span class="preprocessor">#include "RtError.h"</span>
+<a name="l00053"></a>00053
+<a name="l00070"></a><a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8">00070</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a>;
+<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT8 = 0x1; <span class="comment">// 8-bit signed integer.</span>
+<a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT16 = 0x2; <span class="comment">// 16-bit signed integer.</span>
+<a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT24 = 0x4; <span class="comment">// Lower 3 bytes of 32-bit signed integer.</span>
+<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_SINT32 = 0x8; <span class="comment">// 32-bit signed integer.</span>
+<a name="l00075"></a>00075 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_FLOAT32 = 0x10; <span class="comment">// Normalized between plus/minus 1.0.</span>
+<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> RTAUDIO_FLOAT64 = 0x20; <span class="comment">// Normalized between plus/minus 1.0.</span>
+<a name="l00077"></a>00077
+<a name="l00115"></a><a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41">00115</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a>;
+<a name="l00116"></a>00116 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_NONINTERLEAVED = 0x1; <span class="comment">// Use non-interleaved buffers (default = interleaved).</span>
+<a name="l00117"></a>00117 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_MINIMIZE_LATENCY = 0x2; <span class="comment">// Attempt to set stream parameters for lowest possible latency.</span>
+<a name="l00118"></a>00118 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_HOG_DEVICE = 0x4; <span class="comment">// Attempt grab device and prevent use by others.</span>
+<a name="l00119"></a>00119 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> RTAUDIO_SCHEDULE_REALTIME = 0x8; <span class="comment">// Try to select realtime scheduling for callback thread.</span>
+<a name="l00120"></a>00120
+<a name="l00132"></a><a class="code" href="RtAudio_8h.html#80e306d363583da3b0a1b65d9b57c806">00132</a> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="RtAudio_8h.html#80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a>;
+<a name="l00133"></a>00133 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#80e306d363583da3b0a1b65d9b57c806" 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>
+<a name="l00134"></a>00134 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="RtAudio_8h.html#80e306d363583da3b0a1b65d9b57c806" 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>
+<a name="l00135"></a>00135
+<a name="l00137"></a>00137
+<a name="l00175"></a><a class="code" href="RtAudio_8h.html#112c7b7e25a974977f6fc094cef1a31f">00175</a> <span class="keyword">typedef</span> int (*<a class="code" href="RtAudio_8h.html#112c7b7e25a974977f6fc094cef1a31f" title="RtAudio callback function prototype.">RtAudioCallback</a>)( <span class="keywordtype">void</span> *outputBuffer, <span class="keywordtype">void</span> *inputBuffer,
+<a name="l00176"></a>00176 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nFrames,
+<a name="l00177"></a>00177 <span class="keywordtype">double</span> streamTime,
+<a name="l00178"></a>00178 <a class="code" href="RtAudio_8h.html#80e306d363583da3b0a1b65d9b57c806" title="RtAudio stream status (over- or underflow) flags.">RtAudioStreamStatus</a> status,
+<a name="l00179"></a>00179 <span class="keywordtype">void</span> *userData );
+<a name="l00180"></a>00180
+<a name="l00181"></a>00181
+<a name="l00182"></a>00182 <span class="comment">// **************************************************************** //</span>
+<a name="l00183"></a>00183 <span class="comment">//</span>
+<a name="l00184"></a>00184 <span class="comment">// RtAudio class declaration.</span>
+<a name="l00185"></a>00185 <span class="comment">//</span>
+<a name="l00186"></a>00186 <span class="comment">// RtAudio is a "controller" used to select an available audio i/o</span>
+<a name="l00187"></a>00187 <span class="comment">// interface. It presents a common API for the user to call but all</span>
+<a name="l00188"></a>00188 <span class="comment">// functionality is implemented by the class RtApi and its</span>
+<a name="l00189"></a>00189 <span class="comment">// subclasses. RtAudio creates an instance of an RtApi subclass</span>
+<a name="l00190"></a>00190 <span class="comment">// based on the user's API choice. If no choice is made, RtAudio</span>
+<a name="l00191"></a>00191 <span class="comment">// attempts to make a "logical" API selection.</span>
+<a name="l00192"></a>00192 <span class="comment">//</span>
+<a name="l00193"></a>00193 <span class="comment">// **************************************************************** //</span>
+<a name="l00194"></a>00194
+<a name="l00195"></a>00195 <span class="keyword">class </span>RtApi;
+<a name="l00196"></a>00196
+<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>
+<a name="l00198"></a>00198 {
+<a name="l00199"></a>00199 <span class="keyword">public</span>:
+<a name="l00200"></a>00200
+<a name="l00202"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849">00202</a> <span class="keyword">enum</span> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> {
+<a name="l00203"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849a49af3ac767106158bc6cad74fb214ae">00203</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849a49af3ac767106158bc6cad74fb214ae">UNSPECIFIED</a>,
+<a name="l00204"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849a7a2ba095c2806caa893b6fb8fc3a1a8">00204</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849a7a2ba095c2806caa893b6fb8fc3a1a8">LINUX_ALSA</a>,
+<a name="l00205"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d84939c84615e61de75e6a4e865596d62c82">00205</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d84939c84615e61de75e6a4e865596d62c82">LINUX_OSS</a>,
+<a name="l00206"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d8494767e17c6edfbd827f91763915df4105">00206</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d8494767e17c6edfbd827f91763915df4105">UNIX_JACK</a>,
+<a name="l00207"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d8499fec92b8272244a87a6a11a717bd662d">00207</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d8499fec92b8272244a87a6a11a717bd662d">MACOSX_CORE</a>,
+<a name="l00208"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849219517d1df90f94d07758481155bd469">00208</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849219517d1df90f94d07758481155bd469">WINDOWS_ASIO</a>,
+<a name="l00209"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d84928478830f42c2fd61e6c7ad498901931">00209</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d84928478830f42c2fd61e6c7ad498901931">WINDOWS_DS</a>,
+<a name="l00210"></a><a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849b06b8fd88bf18c9a2b8271f6961ae2d1">00210</a> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849b06b8fd88bf18c9a2b8271f6961ae2d1">RTAUDIO_DUMMY</a>
+<a name="l00211"></a>00211 };
+<a name="l00212"></a>00212
+<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> {
+<a name="l00215"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#5bf008c629ef493c713ec870d0217407">00215</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#5bf008c629ef493c713ec870d0217407">probed</a>;
+<a name="l00216"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a0e2ea10c52c206c9e105ac76b01f194">00216</a> std::string <a class="code" href="structRtAudio_1_1DeviceInfo.html#a0e2ea10c52c206c9e105ac76b01f194">name</a>;
+<a name="l00217"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#185f8aac1095de4fbb6e0076875d24c4">00217</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#185f8aac1095de4fbb6e0076875d24c4">outputChannels</a>;
+<a name="l00218"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#731b31adf84c550ab98329be1baa58b4">00218</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#731b31adf84c550ab98329be1baa58b4">inputChannels</a>;
+<a name="l00219"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#ca6ecfb8b5b8c114c54809d8af50ee5b">00219</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#ca6ecfb8b5b8c114c54809d8af50ee5b">duplexChannels</a>;
+<a name="l00220"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#af74fc23f451fdd22ed073a47f0db674">00220</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#af74fc23f451fdd22ed073a47f0db674">isDefaultOutput</a>;
+<a name="l00221"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#a8b03618fa1d4c051f6add14bb031728">00221</a> <span class="keywordtype">bool</span> <a class="code" href="structRtAudio_1_1DeviceInfo.html#a8b03618fa1d4c051f6add14bb031728">isDefaultInput</a>;
+<a name="l00222"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#5b158efcbfbd30e7226df92d0109d475">00222</a> std::vector<unsigned int> <a class="code" href="structRtAudio_1_1DeviceInfo.html#5b158efcbfbd30e7226df92d0109d475">sampleRates</a>;
+<a name="l00223"></a><a class="code" href="structRtAudio_1_1DeviceInfo.html#97559ee4a1f2c8cfb765949e6193e1f4">00223</a> <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> <a class="code" href="structRtAudio_1_1DeviceInfo.html#97559ee4a1f2c8cfb765949e6193e1f4">nativeFormats</a>;
+<a name="l00225"></a>00225 <span class="comment">// Default constructor.</span>
+<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>()
+<a name="l00227"></a>00227 :<a class="code" href="structRtAudio_1_1DeviceInfo.html#5bf008c629ef493c713ec870d0217407">probed</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#185f8aac1095de4fbb6e0076875d24c4">outputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#731b31adf84c550ab98329be1baa58b4">inputChannels</a>(0), <a class="code" href="structRtAudio_1_1DeviceInfo.html#ca6ecfb8b5b8c114c54809d8af50ee5b">duplexChannels</a>(0),
+<a name="l00228"></a>00228 <a class="code" href="structRtAudio_1_1DeviceInfo.html#af74fc23f451fdd22ed073a47f0db674">isDefaultOutput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#a8b03618fa1d4c051f6add14bb031728">isDefaultInput</a>(false), <a class="code" href="structRtAudio_1_1DeviceInfo.html#97559ee4a1f2c8cfb765949e6193e1f4">nativeFormats</a>(0) {}
+<a name="l00229"></a>00229 };
+<a name="l00230"></a>00230
+<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> {
+<a name="l00233"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#ffd27496c70c0986522056234c64e28e">00233</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#ffd27496c70c0986522056234c64e28e">deviceId</a>;
+<a name="l00234"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#78798b65fada7941e1a7e47c11c9e627">00234</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#78798b65fada7941e1a7e47c11c9e627">nChannels</a>;
+<a name="l00235"></a><a class="code" href="structRtAudio_1_1StreamParameters.html#ddc8281f23a87455ec6dedbc766a74db">00235</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamParameters.html#ddc8281f23a87455ec6dedbc766a74db">firstChannel</a>;
+<a name="l00237"></a>00237 <span class="comment">// Default constructor.</span>
+<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>()
+<a name="l00239"></a>00239 : <a class="code" href="structRtAudio_1_1StreamParameters.html#ffd27496c70c0986522056234c64e28e">deviceId</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#78798b65fada7941e1a7e47c11c9e627">nChannels</a>(0), <a class="code" href="structRtAudio_1_1StreamParameters.html#ddc8281f23a87455ec6dedbc766a74db">firstChannel</a>(0) {}
+<a name="l00240"></a>00240 };
+<a name="l00241"></a>00241
+<a name="l00243"></a>00243
+<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> {
+<a name="l00295"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#6a284d045b8adcfcf178a4f6a22330f8">00295</a> <a class="code" href="RtAudio_8h.html#2c0f59b200dcec4d4e760f9166b29c41" title="RtAudio stream option flags.">RtAudioStreamFlags</a> <a class="code" href="structRtAudio_1_1StreamOptions.html#6a284d045b8adcfcf178a4f6a22330f8">flags</a>;
+<a name="l00296"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#5a04d3c3d0c1cfa063872ecff383af1d">00296</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#5a04d3c3d0c1cfa063872ecff383af1d">numberOfBuffers</a>;
+<a name="l00297"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#214da35056f18ffb7c8e4dc074a01a9a">00297</a> std::string <a class="code" href="structRtAudio_1_1StreamOptions.html#214da35056f18ffb7c8e4dc074a01a9a">streamName</a>;
+<a name="l00298"></a><a class="code" href="structRtAudio_1_1StreamOptions.html#81b364f137d1ee1073b74dac666af352">00298</a> <span class="keywordtype">int</span> <a class="code" href="structRtAudio_1_1StreamOptions.html#81b364f137d1ee1073b74dac666af352">priority</a>;
+<a name="l00300"></a>00300 <span class="comment">// Default constructor.</span>
+<a name="l00301"></a>00301 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">StreamOptions</a>()
+<a name="l00302"></a>00302 : <a class="code" href="structRtAudio_1_1StreamOptions.html#6a284d045b8adcfcf178a4f6a22330f8">flags</a>(0), <a class="code" href="structRtAudio_1_1StreamOptions.html#5a04d3c3d0c1cfa063872ecff383af1d">numberOfBuffers</a>(0), <a class="code" href="structRtAudio_1_1StreamOptions.html#81b364f137d1ee1073b74dac666af352">priority</a>(0) {}
+<a name="l00303"></a>00303 };
+<a name="l00304"></a>00304
+<a name="l00306"></a>00306
+<a name="l00311"></a>00311 <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#e266ffad2ef428d0b2c6c262d391ce26" title="A static function to determine the available compiled audio APIs.">getCompiledApi</a>( std::vector<RtAudio::Api> &apis ) <span class="keywordflow">throw</span>();
+<a name="l00312"></a>00312
+<a name="l00314"></a>00314
+<a name="l00322"></a>00322 <a class="code" href="classRtAudio.html#fd0bfa26deae9804e18faff59d0273d9" title="The class constructor.">RtAudio</a>( <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> api=<a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849a49af3ac767106158bc6cad74fb214ae">UNSPECIFIED</a> ) throw();
+<a name="l00323"></a>00323
+<a name="l00325"></a>00325
+<a name="l00329"></a>00329 ~<a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>() throw();
+<a name="l00330"></a>00330
+<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#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> <a class="code" href="classRtAudio.html#83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) throw();
+<a name="l00333"></a>00333
+<a name="l00335"></a>00335
+<a name="l00340"></a>00340 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> ) throw();
+<a name="l00341"></a>00341
+<a name="l00343"></a>00343
+<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#02d7ff44ad1d7eae22283a052f3dfda8" title="Return an RtAudio::DeviceInfo structure for a specified device number.">getDeviceInfo</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> device );
+<a name="l00354"></a>00354
+<a name="l00356"></a>00356
+<a name="l00363"></a>00363 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> ) throw();
+<a name="l00364"></a>00364
+<a name="l00366"></a>00366
+<a name="l00373"></a>00373 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#ad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">getDefaultInputDevice</a>( <span class="keywordtype">void</span> ) throw();
+<a name="l00374"></a>00374
+<a name="l00376"></a>00376
+<a name="l00413"></a>00413 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#facc99740fa4c5606fb35467cdea6da8" 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,
+<a name="l00414"></a>00414 <a class="code" href="classRtAudio.html" title="Realtime audio i/o C++ classes.">RtAudio</a>::StreamParameters *inputParameters,
+<a name="l00415"></a>00415 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
+<a name="l00416"></a>00416 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#112c7b7e25a974977f6fc094cef1a31f" title="RtAudio callback function prototype.">RtAudioCallback</a> callback,
+<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 );
+<a name="l00418"></a>00418
+<a name="l00420"></a>00420
+<a name="l00424"></a>00424 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> ) throw();
+<a name="l00425"></a>00425
+<a name="l00427"></a>00427
+<a name="l00433"></a>00433 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> );
+<a name="l00434"></a>00434
+<a name="l00436"></a>00436
+<a name="l00442"></a>00442 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#f4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> );
+<a name="l00443"></a>00443
+<a name="l00445"></a>00445
+<a name="l00451"></a>00451 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#d0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> );
+<a name="l00452"></a>00452
+<a name="l00454"></a>00454 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#3863e45ff81dbe97176de0ee7545917f" title="Returns true if a stream is open and false if not.">isStreamOpen</a>( <span class="keywordtype">void</span> ) const throw();
+<a name="l00455"></a>00455
+<a name="l00457"></a>00457 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#84cc8d9b7ab9bc5f37bcf48430ec5aea" 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();
+<a name="l00458"></a>00458
+<a name="l00460"></a>00460
+<a name="l00463"></a>00463 <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#344e59a62353c5791db4621b985cb2ca" title="Returns the number of elapsed seconds since the stream was started.">getStreamTime</a>( <span class="keywordtype">void</span> );
+<a name="l00464"></a>00464
+<a name="l00466"></a>00466
+<a name="l00474"></a>00474 <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );
+<a name="l00475"></a>00475
+<a name="l00477"></a>00477
+<a name="l00482"></a>00482 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#28214b8b05d60b45c24ee6fae7b2a0b5" title="Returns actual sample rate in use by the stream.">getStreamSampleRate</a>( <span class="keywordtype">void</span> );
+<a name="l00483"></a>00483
+<a name="l00485"></a>00485 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#f0752ee51cce3dd90a3bd009f9fdbe77" title="Specify whether warning messages should be printed to stderr.">showWarnings</a>( <span class="keywordtype">bool</span> value = true ) throw();
+<a name="l00486"></a>00486
+<a name="l00487"></a>00487 protected:
+<a name="l00488"></a>00488
+<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#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">Api</a> api );
+<a name="l00490"></a>00490 RtApi *rtapi_;
+<a name="l00491"></a>00491 };
+<a name="l00492"></a>00492
+<a name="l00493"></a>00493 <span class="comment">// Operating system dependent thread functionality.</span>
+<a name="l00494"></a>00494 <span class="preprocessor">#if defined(__WINDOWS_DS__) || defined(__WINDOWS_ASIO__)</span>
+<a name="l00495"></a>00495 <span class="preprocessor"></span><span class="preprocessor"> #include <windows.h></span>
+<a name="l00496"></a>00496 <span class="preprocessor"> #include <process.h></span>
+<a name="l00497"></a>00497
+<a name="l00498"></a>00498 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> ThreadHandle;
+<a name="l00499"></a>00499 <span class="keyword">typedef</span> CRITICAL_SECTION StreamMutex;
+<a name="l00500"></a>00500
+<a name="l00501"></a>00501 <span class="preprocessor">#elif defined(__LINUX_ALSA__) || defined(__UNIX_JACK__) || defined(__LINUX_OSS__) || defined(__MACOSX_CORE__)</span>
+<a name="l00502"></a>00502 <span class="preprocessor"></span> <span class="comment">// Using pthread library for various flavors of unix.</span>
+<a name="l00503"></a>00503 <span class="preprocessor"> #include <pthread.h></span>
+<a name="l00504"></a>00504
+<a name="l00505"></a>00505 <span class="keyword">typedef</span> pthread_t ThreadHandle;
+<a name="l00506"></a>00506 <span class="keyword">typedef</span> pthread_mutex_t StreamMutex;
+<a name="l00507"></a>00507
+<a name="l00508"></a>00508 <span class="preprocessor">#else // Setup for "dummy" behavior</span>
+<a name="l00509"></a>00509 <span class="preprocessor"></span>
+<a name="l00510"></a>00510 <span class="preprocessor"> #define __RTAUDIO_DUMMY__</span>
+<a name="l00511"></a>00511 <span class="preprocessor"></span> <span class="keyword">typedef</span> <span class="keywordtype">int</span> ThreadHandle;
+<a name="l00512"></a>00512 <span class="keyword">typedef</span> <span class="keywordtype">int</span> StreamMutex;
+<a name="l00513"></a>00513
+<a name="l00514"></a>00514 <span class="preprocessor">#endif</span>
+<a name="l00515"></a>00515 <span class="preprocessor"></span>
+<a name="l00516"></a>00516 <span class="comment">// This global structure type is used to pass callback information</span>
+<a name="l00517"></a>00517 <span class="comment">// between the private RtAudio stream structure and global callback</span>
+<a name="l00518"></a>00518 <span class="comment">// handling functions.</span>
+<a name="l00519"></a>00519 <span class="keyword">struct </span>CallbackInfo {
+<a name="l00520"></a>00520 <span class="keywordtype">void</span> *object; <span class="comment">// Used as a "this" pointer.</span>
+<a name="l00521"></a>00521 ThreadHandle thread;
+<a name="l00522"></a>00522 <span class="keywordtype">void</span> *callback;
+<a name="l00523"></a>00523 <span class="keywordtype">void</span> *userData;
+<a name="l00524"></a>00524 <span class="keywordtype">void</span> *apiInfo; <span class="comment">// void pointer for API specific callback information</span>
+<a name="l00525"></a>00525 <span class="keywordtype">bool</span> isRunning;
+<a name="l00526"></a>00526
+<a name="l00527"></a>00527 <span class="comment">// Default constructor.</span>
+<a name="l00528"></a>00528 CallbackInfo()
+<a name="l00529"></a>00529 :object(0), callback(0), userData(0), apiInfo(0), isRunning(false) {}
+<a name="l00530"></a>00530 };
+<a name="l00531"></a>00531
+<a name="l00532"></a>00532 <span class="comment">// **************************************************************** //</span>
+<a name="l00533"></a>00533 <span class="comment">//</span>
+<a name="l00534"></a>00534 <span class="comment">// RtApi class declaration.</span>
+<a name="l00535"></a>00535 <span class="comment">//</span>
+<a name="l00536"></a>00536 <span class="comment">// Subclasses of RtApi contain all API- and OS-specific code necessary</span>
+<a name="l00537"></a>00537 <span class="comment">// to fully implement the RtAudio API.</span>
+<a name="l00538"></a>00538 <span class="comment">//</span>
+<a name="l00539"></a>00539 <span class="comment">// Note that RtApi is an abstract base class and cannot be</span>
+<a name="l00540"></a>00540 <span class="comment">// explicitly instantiated. The class RtAudio will create an</span>
+<a name="l00541"></a>00541 <span class="comment">// instance of an RtApi subclass (RtApiOss, RtApiAlsa,</span>
+<a name="l00542"></a>00542 <span class="comment">// RtApiJack, RtApiCore, RtApiAl, RtApiDs, or RtApiAsio).</span>
+<a name="l00543"></a>00543 <span class="comment">//</span>
+<a name="l00544"></a>00544 <span class="comment">// **************************************************************** //</span>
+<a name="l00545"></a>00545
+<a name="l00546"></a>00546 <span class="preprocessor">#if defined( HAVE_GETTIMEOFDAY )</span>
+<a name="l00547"></a>00547 <span class="preprocessor"></span><span class="preprocessor"> #include <sys/time.h></span>
+<a name="l00548"></a>00548 <span class="preprocessor">#endif</span>
+<a name="l00549"></a>00549 <span class="preprocessor"></span>
+<a name="l00550"></a>00550 <span class="preprocessor">#include <sstream></span>
+<a name="l00551"></a>00551
+<a name="l00552"></a>00552 <span class="keyword">class </span>RtApi
+<a name="l00553"></a>00553 {
+<a name="l00554"></a>00554 <span class="keyword">public</span>:
+<a name="l00555"></a>00555
+<a name="l00556"></a>00556 RtApi();
+<a name="l00557"></a>00557 <span class="keyword">virtual</span> ~RtApi();
+<a name="l00558"></a>00558 <span class="keyword">virtual</span> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#83687634795792b2c47e4ae1cf8a5246" title="Returns the audio API specifier for the current instance of RtAudio.">getCurrentApi</a>( <span class="keywordtype">void</span> ) = 0;
+<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#747ce2d73803641bbb66d6e78092aa1a" title="A public function that queries for the number of audio devices available.">getDeviceCount</a>( <span class="keywordtype">void</span> ) = 0;
+<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#02d7ff44ad1d7eae22283a052f3dfda8" 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;
+<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#ad8b94edd3cd379ee300b125750ac6ce" title="A function that returns the index of the default input device.">getDefaultInputDevice</a>( <span class="keywordtype">void</span> );
+<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#3a3f3dbe13ea696b521e49cdaaa357bc" title="A function that returns the index of the default output device.">getDefaultOutputDevice</a>( <span class="keywordtype">void</span> );
+<a name="l00563"></a>00563 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#facc99740fa4c5606fb35467cdea6da8" 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,
+<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,
+<a name="l00565"></a>00565 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate,
+<a name="l00566"></a>00566 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferFrames, <a class="code" href="RtAudio_8h.html#112c7b7e25a974977f6fc094cef1a31f" title="RtAudio callback function prototype.">RtAudioCallback</a> callback,
+<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 );
+<a name="l00568"></a>00568 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#90d599002ad32cf250a4cb866f2cc93a" title="A function that closes a stream and frees any associated stream memory.">closeStream</a>( <span class="keywordtype">void</span> );
+<a name="l00569"></a>00569 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">startStream</a>( <span class="keywordtype">void</span> ) = 0;
+<a name="l00570"></a>00570 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#f4c241ff86936ecc8108f0d9dfe3efdd" title="Stop a stream, allowing any samples remaining in the output queue to be played.">stopStream</a>( <span class="keywordtype">void</span> ) = 0;
+<a name="l00571"></a>00571 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#d0586b47cd6bb9591a80b4052815991f" title="Stop a stream, discarding any samples remaining in the input/output queue.">abortStream</a>( <span class="keywordtype">void</span> ) = 0;
+<a name="l00572"></a>00572 <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">getStreamLatency</a>( <span class="keywordtype">void</span> );
+<a name="l00573"></a>00573 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#28214b8b05d60b45c24ee6fae7b2a0b5" title="Returns actual sample rate in use by the stream.">getStreamSampleRate</a>( <span class="keywordtype">void</span> );
+<a name="l00574"></a>00574 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#344e59a62353c5791db4621b985cb2ca" title="Returns the number of elapsed seconds since the stream was started.">getStreamTime</a>( <span class="keywordtype">void</span> );
+<a name="l00575"></a>00575 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#3863e45ff81dbe97176de0ee7545917f" 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; };
+<a name="l00576"></a>00576 <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#84cc8d9b7ab9bc5f37bcf48430ec5aea" 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; };
+<a name="l00577"></a>00577 <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#f0752ee51cce3dd90a3bd009f9fdbe77" title="Specify whether warning messages should be printed to stderr.">showWarnings</a>( <span class="keywordtype">bool</span> value ) { showWarnings_ = value; };
+<a name="l00578"></a>00578
+<a name="l00579"></a>00579
+<a name="l00580"></a>00580 <span class="keyword">protected</span>:
+<a name="l00581"></a>00581
+<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;
+<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[];
+<a name="l00584"></a>00584
+<a name="l00585"></a>00585 <span class="keyword">enum</span> { FAILURE, SUCCESS };
+<a name="l00586"></a>00586
+<a name="l00587"></a>00587 <span class="keyword">enum</span> StreamState {
+<a name="l00588"></a>00588 STREAM_STOPPED,
+<a name="l00589"></a>00589 STREAM_RUNNING,
+<a name="l00590"></a>00590 STREAM_CLOSED = -50
+<a name="l00591"></a>00591 };
+<a name="l00592"></a>00592
+<a name="l00593"></a>00593 <span class="keyword">enum</span> StreamMode {
+<a name="l00594"></a>00594 OUTPUT,
+<a name="l00595"></a>00595 INPUT,
+<a name="l00596"></a>00596 DUPLEX,
+<a name="l00597"></a>00597 UNINITIALIZED = -75
+<a name="l00598"></a>00598 };
+<a name="l00599"></a>00599
+<a name="l00600"></a>00600 <span class="comment">// A protected structure used for buffer conversion.</span>
+<a name="l00601"></a>00601 <span class="keyword">struct </span>ConvertInfo {
+<a name="l00602"></a>00602 <span class="keywordtype">int</span> channels;
+<a name="l00603"></a>00603 <span class="keywordtype">int</span> inJump, outJump;
+<a name="l00604"></a>00604 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> inFormat, outFormat;
+<a name="l00605"></a>00605 std::vector<int> inOffset;
+<a name="l00606"></a>00606 std::vector<int> outOffset;
+<a name="l00607"></a>00607 };
+<a name="l00608"></a>00608
+<a name="l00609"></a>00609 <span class="comment">// A protected structure for audio streams.</span>
+<a name="l00610"></a>00610 <span class="keyword">struct </span>RtApiStream {
+<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>
+<a name="l00612"></a>00612 <span class="keywordtype">void</span> *apiHandle; <span class="comment">// void pointer for API specific stream handle information</span>
+<a name="l00613"></a>00613 StreamMode mode; <span class="comment">// OUTPUT, INPUT, or DUPLEX.</span>
+<a name="l00614"></a>00614 StreamState state; <span class="comment">// STOPPED, RUNNING, or CLOSED</span>
+<a name="l00615"></a>00615 <span class="keywordtype">char</span> *userBuffer[2]; <span class="comment">// Playback and record, respectively.</span>
+<a name="l00616"></a>00616 <span class="keywordtype">char</span> *deviceBuffer;
+<a name="l00617"></a>00617 <span class="keywordtype">bool</span> doConvertBuffer[2]; <span class="comment">// Playback and record, respectively.</span>
+<a name="l00618"></a>00618 <span class="keywordtype">bool</span> userInterleaved;
+<a name="l00619"></a>00619 <span class="keywordtype">bool</span> deviceInterleaved[2]; <span class="comment">// Playback and record, respectively.</span>
+<a name="l00620"></a>00620 <span class="keywordtype">bool</span> doByteSwap[2]; <span class="comment">// Playback and record, respectively.</span>
+<a name="l00621"></a>00621 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate;
+<a name="l00622"></a>00622 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferSize;
+<a name="l00623"></a>00623 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBuffers;
+<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>
+<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>
+<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>
+<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>
+<a name="l00628"></a>00628 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> userFormat;
+<a name="l00629"></a>00629 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> deviceFormat[2]; <span class="comment">// Playback and record, respectively.</span>
+<a name="l00630"></a>00630 StreamMutex mutex;
+<a name="l00631"></a>00631 CallbackInfo callbackInfo;
+<a name="l00632"></a>00632 ConvertInfo convertInfo[2];
+<a name="l00633"></a>00633 <span class="keywordtype">double</span> streamTime; <span class="comment">// Number of elapsed seconds since the stream started.</span>
+<a name="l00634"></a>00634
+<a name="l00635"></a>00635 <span class="preprocessor">#if defined(HAVE_GETTIMEOFDAY)</span>
+<a name="l00636"></a>00636 <span class="preprocessor"></span> <span class="keyword">struct </span>timeval lastTickTimestamp;
+<a name="l00637"></a>00637 <span class="preprocessor">#endif</span>
+<a name="l00638"></a>00638 <span class="preprocessor"></span>
+<a name="l00639"></a>00639 RtApiStream()
+<a name="l00640"></a>00640 :apiHandle(0), deviceBuffer(0) { device[0] = 11111; device[1] = 11111; }
+<a name="l00641"></a>00641 };
+<a name="l00642"></a>00642
+<a name="l00643"></a>00643 <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">short</span> Int16;
+<a name="l00644"></a>00644 <span class="keyword">typedef</span> <span class="keywordtype">signed</span> <span class="keywordtype">int</span> Int32;
+<a name="l00645"></a>00645 <span class="keyword">typedef</span> <span class="keywordtype">float</span> Float32;
+<a name="l00646"></a>00646 <span class="keyword">typedef</span> <span class="keywordtype">double</span> Float64;
+<a name="l00647"></a>00647
+<a name="l00648"></a>00648 std::ostringstream errorStream_;
+<a name="l00649"></a>00649 std::string errorText_;
+<a name="l00650"></a>00650 <span class="keywordtype">bool</span> showWarnings_;
+<a name="l00651"></a>00651 RtApiStream stream_;
+<a name="l00652"></a>00652
+<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,
+<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,
+<a name="l00662"></a>00662 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00663"></a>00663 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00664"></a>00664
+<a name="l00666"></a>00666 <span class="keywordtype">void</span> tickStreamTime( <span class="keywordtype">void</span> );
+<a name="l00667"></a>00667
+<a name="l00669"></a>00669 <span class="keywordtype">void</span> clearStreamInfo();
+<a name="l00670"></a>00670
+<a name="l00675"></a>00675 <span class="keywordtype">void</span> verifyStream( <span class="keywordtype">void</span> );
+<a name="l00676"></a>00676
+<a name="l00678"></a>00678 <span class="keywordtype">void</span> error( <a class="code" href="classRtError.html#b04667aae01bffc354a9ac6bda6903ac" title="Defined RtError types.">RtError::Type</a> type );
+<a name="l00679"></a>00679
+<a name="l00684"></a>00684 <span class="keywordtype">void</span> convertBuffer( <span class="keywordtype">char</span> *outBuffer, <span class="keywordtype">char</span> *inBuffer, ConvertInfo &info );
+<a name="l00685"></a>00685
+<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#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format );
+<a name="l00688"></a>00688
+<a name="l00690"></a>00690 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> formatBytes( <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format );
+<a name="l00691"></a>00691
+<a name="l00693"></a>00693 <span class="keywordtype">void</span> setConvertInfo( StreamMode mode, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> firstChannel );
+<a name="l00694"></a>00694 };
+<a name="l00695"></a>00695
+<a name="l00696"></a>00696 <span class="comment">// **************************************************************** //</span>
+<a name="l00697"></a>00697 <span class="comment">//</span>
+<a name="l00698"></a>00698 <span class="comment">// Inline RtAudio definitions.</span>
+<a name="l00699"></a>00699 <span class="comment">//</span>
+<a name="l00700"></a>00700 <span class="comment">// **************************************************************** //</span>
+<a name="l00701"></a>00701
+<a name="l00702"></a><a class="code" href="classRtAudio.html#83687634795792b2c47e4ae1cf8a5246">00702</a> <span class="keyword">inline</span> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> <a class="code" href="classRtAudio.html#83687634795792b2c47e4ae1cf8a5246" 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_->getCurrentApi(); }
+<a name="l00703"></a><a class="code" href="classRtAudio.html#747ce2d73803641bbb66d6e78092aa1a">00703</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#747ce2d73803641bbb66d6e78092aa1a" 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_->getDeviceCount(); }
+<a name="l00704"></a><a class="code" href="classRtAudio.html#02d7ff44ad1d7eae22283a052f3dfda8">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#02d7ff44ad1d7eae22283a052f3dfda8" 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_->getDeviceInfo( device ); }
+<a name="l00705"></a><a class="code" href="classRtAudio.html#ad8b94edd3cd379ee300b125750ac6ce">00705</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#ad8b94edd3cd379ee300b125750ac6ce" 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_->getDefaultInputDevice(); }
+<a name="l00706"></a><a class="code" href="classRtAudio.html#3a3f3dbe13ea696b521e49cdaaa357bc">00706</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#3a3f3dbe13ea696b521e49cdaaa357bc" 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_->getDefaultOutputDevice(); }
+<a name="l00707"></a><a class="code" href="classRtAudio.html#90d599002ad32cf250a4cb866f2cc93a">00707</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#90d599002ad32cf250a4cb866f2cc93a" 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_->closeStream(); }
+<a name="l00708"></a><a class="code" href="classRtAudio.html#ec017a89629ccef66a90b60be22a2f80">00708</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#ec017a89629ccef66a90b60be22a2f80" title="A function that starts a stream.">RtAudio :: startStream</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->startStream(); }
+<a name="l00709"></a><a class="code" href="classRtAudio.html#f4c241ff86936ecc8108f0d9dfe3efdd">00709</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#f4c241ff86936ecc8108f0d9dfe3efdd" 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_->stopStream(); }
+<a name="l00710"></a><a class="code" href="classRtAudio.html#d0586b47cd6bb9591a80b4052815991f">00710</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#d0586b47cd6bb9591a80b4052815991f" 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_->abortStream(); }
+<a name="l00711"></a><a class="code" href="classRtAudio.html#3863e45ff81dbe97176de0ee7545917f">00711</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#3863e45ff81dbe97176de0ee7545917f" 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_->isStreamOpen(); }
+<a name="l00712"></a><a class="code" href="classRtAudio.html#84cc8d9b7ab9bc5f37bcf48430ec5aea">00712</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="classRtAudio.html#84cc8d9b7ab9bc5f37bcf48430ec5aea" 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_->isStreamRunning(); }
+<a name="l00713"></a><a class="code" href="classRtAudio.html#843c989d9f501c71bc2f2c5ca18df9f3">00713</a> <span class="keyword">inline</span> <span class="keywordtype">long</span> <a class="code" href="classRtAudio.html#843c989d9f501c71bc2f2c5ca18df9f3" title="Returns the internal stream latency in sample frames.">RtAudio :: getStreamLatency</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->getStreamLatency(); }
+<a name="l00714"></a><a class="code" href="classRtAudio.html#28214b8b05d60b45c24ee6fae7b2a0b5">00714</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classRtAudio.html#28214b8b05d60b45c24ee6fae7b2a0b5" title="Returns actual sample rate in use by the stream.">RtAudio :: getStreamSampleRate</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> rtapi_->getStreamSampleRate(); };
+<a name="l00715"></a><a class="code" href="classRtAudio.html#344e59a62353c5791db4621b985cb2ca">00715</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="classRtAudio.html#344e59a62353c5791db4621b985cb2ca" 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_->getStreamTime(); }
+<a name="l00716"></a><a class="code" href="classRtAudio.html#f0752ee51cce3dd90a3bd009f9fdbe77">00716</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classRtAudio.html#f0752ee51cce3dd90a3bd009f9fdbe77" 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_->showWarnings( value ); }
+<a name="l00717"></a>00717
+<a name="l00718"></a>00718 <span class="comment">// RtApi Subclass prototypes.</span>
+<a name="l00719"></a>00719
+<a name="l00720"></a>00720 <span class="preprocessor">#if defined(__MACOSX_CORE__)</span>
+<a name="l00721"></a>00721 <span class="preprocessor"></span>
+<a name="l00722"></a>00722 <span class="preprocessor">#include <CoreAudio/AudioHardware.h></span>
+<a name="l00723"></a>00723
+<a name="l00724"></a>00724 <span class="keyword">class </span>RtApiCore: <span class="keyword">public</span> RtApi
+<a name="l00725"></a>00725 {
+<a name="l00726"></a>00726 <span class="keyword">public</span>:
+<a name="l00727"></a>00727
+<a name="l00728"></a>00728 RtApiCore();
+<a name="l00729"></a>00729 ~RtApiCore();
+<a name="l00730"></a>00730 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" 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#c9b6f625da88249d08a8409a9db0d8499fec92b8272244a87a6a11a717bd662d">RtAudio::MACOSX_CORE</a>; };
+<a name="l00731"></a>00731 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
+<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 );
+<a name="l00733"></a>00733 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> );
+<a name="l00734"></a>00734 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> );
+<a name="l00735"></a>00735 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
+<a name="l00736"></a>00736 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
+<a name="l00737"></a>00737 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
+<a name="l00738"></a>00738 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
+<a name="l00739"></a>00739 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
+<a name="l00740"></a>00740
+<a name="l00741"></a>00741 <span class="comment">// This function is intended for internal use only. It must be</span>
+<a name="l00742"></a>00742 <span class="comment">// public because it is called by the internal callback handler,</span>
+<a name="l00743"></a>00743 <span class="comment">// which is not a member of RtAudio. External use of this function</span>
+<a name="l00744"></a>00744 <span class="comment">// will most likely produce highly undesireable results!</span>
+<a name="l00745"></a>00745 <span class="keywordtype">bool</span> callbackEvent( AudioDeviceID deviceId,
+<a name="l00746"></a>00746 <span class="keyword">const</span> AudioBufferList *inBufferList,
+<a name="l00747"></a>00747 <span class="keyword">const</span> AudioBufferList *outBufferList );
+<a name="l00748"></a>00748
+<a name="l00749"></a>00749 <span class="keyword">private</span>:
+<a name="l00750"></a>00750
+<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,
+<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,
+<a name="l00753"></a>00753 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00754"></a>00754 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00755"></a>00755 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span>* getErrorCode( OSStatus code );
+<a name="l00756"></a>00756 };
+<a name="l00757"></a>00757
+<a name="l00758"></a>00758 <span class="preprocessor">#endif</span>
+<a name="l00759"></a>00759 <span class="preprocessor"></span>
+<a name="l00760"></a>00760 <span class="preprocessor">#if defined(__UNIX_JACK__)</span>
+<a name="l00761"></a>00761 <span class="preprocessor"></span>
+<a name="l00762"></a>00762 <span class="keyword">class </span>RtApiJack: <span class="keyword">public</span> RtApi
+<a name="l00763"></a>00763 {
+<a name="l00764"></a>00764 <span class="keyword">public</span>:
+<a name="l00765"></a>00765
+<a name="l00766"></a>00766 RtApiJack();
+<a name="l00767"></a>00767 ~RtApiJack();
+<a name="l00768"></a>00768 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" 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#c9b6f625da88249d08a8409a9db0d8494767e17c6edfbd827f91763915df4105">RtAudio::UNIX_JACK</a>; };
+<a name="l00769"></a>00769 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
+<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 );
+<a name="l00771"></a>00771 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
+<a name="l00772"></a>00772 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
+<a name="l00773"></a>00773 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
+<a name="l00774"></a>00774 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
+<a name="l00775"></a>00775 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
+<a name="l00776"></a>00776
+<a name="l00777"></a>00777 <span class="comment">// This function is intended for internal use only. It must be</span>
+<a name="l00778"></a>00778 <span class="comment">// public because it is called by the internal callback handler,</span>
+<a name="l00779"></a>00779 <span class="comment">// which is not a member of RtAudio. External use of this function</span>
+<a name="l00780"></a>00780 <span class="comment">// will most likely produce highly undesireable results!</span>
+<a name="l00781"></a>00781 <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> nframes );
+<a name="l00782"></a>00782
+<a name="l00783"></a>00783 <span class="keyword">private</span>:
+<a name="l00784"></a>00784
+<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,
+<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,
+<a name="l00787"></a>00787 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00788"></a>00788 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00789"></a>00789 };
+<a name="l00790"></a>00790
+<a name="l00791"></a>00791 <span class="preprocessor">#endif</span>
+<a name="l00792"></a>00792 <span class="preprocessor"></span>
+<a name="l00793"></a>00793 <span class="preprocessor">#if defined(__WINDOWS_ASIO__)</span>
+<a name="l00794"></a>00794 <span class="preprocessor"></span>
+<a name="l00795"></a>00795 <span class="keyword">class </span>RtApiAsio: <span class="keyword">public</span> RtApi
+<a name="l00796"></a>00796 {
+<a name="l00797"></a>00797 <span class="keyword">public</span>:
+<a name="l00798"></a>00798
+<a name="l00799"></a>00799 RtApiAsio();
+<a name="l00800"></a>00800 ~RtApiAsio();
+<a name="l00801"></a>00801 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" 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#c9b6f625da88249d08a8409a9db0d849219517d1df90f94d07758481155bd469">RtAudio::WINDOWS_ASIO</a>; };
+<a name="l00802"></a>00802 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
+<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 );
+<a name="l00804"></a>00804 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
+<a name="l00805"></a>00805 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
+<a name="l00806"></a>00806 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
+<a name="l00807"></a>00807 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
+<a name="l00808"></a>00808 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
+<a name="l00809"></a>00809
+<a name="l00810"></a>00810 <span class="comment">// This function is intended for internal use only. It must be</span>
+<a name="l00811"></a>00811 <span class="comment">// public because it is called by the internal callback handler,</span>
+<a name="l00812"></a>00812 <span class="comment">// which is not a member of RtAudio. External use of this function</span>
+<a name="l00813"></a>00813 <span class="comment">// will most likely produce highly undesireable results!</span>
+<a name="l00814"></a>00814 <span class="keywordtype">bool</span> callbackEvent( <span class="keywordtype">long</span> bufferIndex );
+<a name="l00815"></a>00815
+<a name="l00816"></a>00816 <span class="keyword">private</span>:
+<a name="l00817"></a>00817
+<a name="l00818"></a>00818 std::vector<RtAudio::DeviceInfo> devices_;
+<a name="l00819"></a>00819 <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );
+<a name="l00820"></a>00820 <span class="keywordtype">bool</span> coInitialized_;
+<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,
+<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,
+<a name="l00823"></a>00823 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00824"></a>00824 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00825"></a>00825 };
+<a name="l00826"></a>00826
+<a name="l00827"></a>00827 <span class="preprocessor">#endif</span>
+<a name="l00828"></a>00828 <span class="preprocessor"></span>
+<a name="l00829"></a>00829 <span class="preprocessor">#if defined(__WINDOWS_DS__)</span>
+<a name="l00830"></a>00830 <span class="preprocessor"></span>
+<a name="l00831"></a>00831 <span class="keyword">class </span>RtApiDs: <span class="keyword">public</span> RtApi
+<a name="l00832"></a>00832 {
+<a name="l00833"></a>00833 <span class="keyword">public</span>:
+<a name="l00834"></a>00834
+<a name="l00835"></a>00835 RtApiDs();
+<a name="l00836"></a>00836 ~RtApiDs();
+<a name="l00837"></a>00837 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" 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#c9b6f625da88249d08a8409a9db0d84928478830f42c2fd61e6c7ad498901931">RtAudio::WINDOWS_DS</a>; };
+<a name="l00838"></a>00838 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
+<a name="l00839"></a>00839 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultOutputDevice( <span class="keywordtype">void</span> );
+<a name="l00840"></a>00840 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDefaultInputDevice( <span class="keywordtype">void</span> );
+<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 );
+<a name="l00842"></a>00842 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
+<a name="l00843"></a>00843 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
+<a name="l00844"></a>00844 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
+<a name="l00845"></a>00845 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
+<a name="l00846"></a>00846 <span class="keywordtype">long</span> getStreamLatency( <span class="keywordtype">void</span> );
+<a name="l00847"></a>00847
+<a name="l00848"></a>00848 <span class="comment">// This function is intended for internal use only. It must be</span>
+<a name="l00849"></a>00849 <span class="comment">// public because it is called by the internal callback handler,</span>
+<a name="l00850"></a>00850 <span class="comment">// which is not a member of RtAudio. External use of this function</span>
+<a name="l00851"></a>00851 <span class="comment">// will most likely produce highly undesireable results!</span>
+<a name="l00852"></a>00852 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
+<a name="l00853"></a>00853
+<a name="l00854"></a>00854 <span class="keyword">private</span>:
+<a name="l00855"></a>00855
+<a name="l00856"></a>00856 <span class="keywordtype">bool</span> coInitialized_;
+<a name="l00857"></a>00857 <span class="keywordtype">bool</span> buffersRolling;
+<a name="l00858"></a>00858 <span class="keywordtype">long</span> duplexPrerollBytes;
+<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,
+<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,
+<a name="l00861"></a>00861 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00862"></a>00862 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00863"></a>00863 };
+<a name="l00864"></a>00864
+<a name="l00865"></a>00865 <span class="preprocessor">#endif</span>
+<a name="l00866"></a>00866 <span class="preprocessor"></span>
+<a name="l00867"></a>00867 <span class="preprocessor">#if defined(__LINUX_ALSA__)</span>
+<a name="l00868"></a>00868 <span class="preprocessor"></span>
+<a name="l00869"></a>00869 <span class="keyword">class </span>RtApiAlsa: <span class="keyword">public</span> RtApi
+<a name="l00870"></a>00870 {
+<a name="l00871"></a>00871 <span class="keyword">public</span>:
+<a name="l00872"></a>00872
+<a name="l00873"></a>00873 RtApiAlsa();
+<a name="l00874"></a>00874 ~RtApiAlsa();
+<a name="l00875"></a>00875 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849a7a2ba095c2806caa893b6fb8fc3a1a8">RtAudio::LINUX_ALSA</a>; };
+<a name="l00876"></a>00876 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
+<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 );
+<a name="l00878"></a>00878 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
+<a name="l00879"></a>00879 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
+<a name="l00880"></a>00880 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
+<a name="l00881"></a>00881 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
+<a name="l00882"></a>00882
+<a name="l00883"></a>00883 <span class="comment">// This function is intended for internal use only. It must be</span>
+<a name="l00884"></a>00884 <span class="comment">// public because it is called by the internal callback handler,</span>
+<a name="l00885"></a>00885 <span class="comment">// which is not a member of RtAudio. External use of this function</span>
+<a name="l00886"></a>00886 <span class="comment">// will most likely produce highly undesireable results!</span>
+<a name="l00887"></a>00887 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
+<a name="l00888"></a>00888
+<a name="l00889"></a>00889 <span class="keyword">private</span>:
+<a name="l00890"></a>00890
+<a name="l00891"></a>00891 std::vector<RtAudio::DeviceInfo> devices_;
+<a name="l00892"></a>00892 <span class="keywordtype">void</span> saveDeviceInfo( <span class="keywordtype">void</span> );
+<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,
+<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,
+<a name="l00895"></a>00895 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00896"></a>00896 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00897"></a>00897 };
+<a name="l00898"></a>00898
+<a name="l00899"></a>00899 <span class="preprocessor">#endif</span>
+<a name="l00900"></a>00900 <span class="preprocessor"></span>
+<a name="l00901"></a>00901 <span class="preprocessor">#if defined(__LINUX_OSS__)</span>
+<a name="l00902"></a>00902 <span class="preprocessor"></span>
+<a name="l00903"></a>00903 <span class="keyword">class </span>RtApiOss: <span class="keyword">public</span> RtApi
+<a name="l00904"></a>00904 {
+<a name="l00905"></a>00905 <span class="keyword">public</span>:
+<a name="l00906"></a>00906
+<a name="l00907"></a>00907 RtApiOss();
+<a name="l00908"></a>00908 ~RtApiOss();
+<a name="l00909"></a>00909 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" title="Audio API specifier arguments.">RtAudio::Api</a> getCurrentApi() { <span class="keywordflow">return</span> <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d84939c84615e61de75e6a4e865596d62c82">RtAudio::LINUX_OSS</a>; };
+<a name="l00910"></a>00910 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> getDeviceCount( <span class="keywordtype">void</span> );
+<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 );
+<a name="l00912"></a>00912 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> );
+<a name="l00913"></a>00913 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> );
+<a name="l00914"></a>00914 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> );
+<a name="l00915"></a>00915 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> );
+<a name="l00916"></a>00916
+<a name="l00917"></a>00917 <span class="comment">// This function is intended for internal use only. It must be</span>
+<a name="l00918"></a>00918 <span class="comment">// public because it is called by the internal callback handler,</span>
+<a name="l00919"></a>00919 <span class="comment">// which is not a member of RtAudio. External use of this function</span>
+<a name="l00920"></a>00920 <span class="comment">// will most likely produce highly undesireable results!</span>
+<a name="l00921"></a>00921 <span class="keywordtype">void</span> callbackEvent( <span class="keywordtype">void</span> );
+<a name="l00922"></a>00922
+<a name="l00923"></a>00923 <span class="keyword">private</span>:
+<a name="l00924"></a>00924
+<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,
+<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,
+<a name="l00927"></a>00927 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<a name="l00928"></a>00928 <a class="code" href="structRtAudio_1_1StreamOptions.html" title="The structure for specifying stream options.">RtAudio::StreamOptions</a> *options );
+<a name="l00929"></a>00929 };
+<a name="l00930"></a>00930
+<a name="l00931"></a>00931 <span class="preprocessor">#endif</span>
+<a name="l00932"></a>00932 <span class="preprocessor"></span>
+<a name="l00933"></a>00933 <span class="preprocessor">#if defined(__RTAUDIO_DUMMY__)</span>
+<a name="l00934"></a>00934 <span class="preprocessor"></span>
+<a name="l00935"></a>00935 <span class="keyword">class </span>RtApiDummy: <span class="keyword">public</span> RtApi
+<a name="l00936"></a>00936 {
+<a name="l00937"></a>00937 <span class="keyword">public</span>:
+<a name="l00938"></a>00938
+<a name="l00939"></a>00939 RtApiDummy() { errorText_ = <span class="stringliteral">"RtApiDummy: This class provides no functionality."</span>; error( <a class="code" href="classRtError.html#b04667aae01bffc354a9ac6bda6903ac3a1603c24a56cbdaf5f8ae4ddcb86398">RtError::WARNING</a> ); };
+<a name="l00940"></a>00940 <a class="code" href="classRtAudio.html#c9b6f625da88249d08a8409a9db0d849" 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#c9b6f625da88249d08a8409a9db0d849b06b8fd88bf18c9a2b8271f6961ae2d1">RtAudio::RTAUDIO_DUMMY</a>; };
+<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; };
+<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; };
+<a name="l00943"></a>00943 <span class="keywordtype">void</span> closeStream( <span class="keywordtype">void</span> ) {};
+<a name="l00944"></a>00944 <span class="keywordtype">void</span> startStream( <span class="keywordtype">void</span> ) {};
+<a name="l00945"></a>00945 <span class="keywordtype">void</span> stopStream( <span class="keywordtype">void</span> ) {};
+<a name="l00946"></a>00946 <span class="keywordtype">void</span> abortStream( <span class="keywordtype">void</span> ) {};
+<a name="l00947"></a>00947
+<a name="l00948"></a>00948 <span class="keyword">private</span>:
+<a name="l00949"></a>00949
+<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,
+<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,
+<a name="l00952"></a>00952 <a class="code" href="RtAudio_8h.html#afca92882d25915560018873221e44b8" title="RtAudio data format type.">RtAudioFormat</a> format, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *bufferSize,
+<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>; };
+<a name="l00954"></a>00954 };
+<a name="l00955"></a>00955
+<a name="l00956"></a>00956 <span class="preprocessor">#endif</span>
+<a name="l00957"></a>00957 <span class="preprocessor"></span>
+<a name="l00958"></a>00958 <span class="preprocessor">#endif</span>
+<a name="l00959"></a>00959 <span class="preprocessor"></span>
+<a name="l00960"></a>00960 <span class="comment">// Indentation settings for Vim and Emacs</span>
+<a name="l00961"></a>00961 <span class="comment">//</span>
+<a name="l00962"></a>00962 <span class="comment">// Local Variables:</span>
+<a name="l00963"></a>00963 <span class="comment">// c-basic-offset: 2</span>
+<a name="l00964"></a>00964 <span class="comment">// indent-tabs-mode: nil</span>
+<a name="l00965"></a>00965 <span class="comment">// End:</span>
+<a name="l00966"></a>00966 <span class="comment">//</span>
+<a name="l00967"></a>00967 <span class="comment">// vim: et sts=2 sw=2</span>
+</pre></div></div>
<HR>
-<!-- Generated by Doxygen 1.2.8.1 -->
-<h1>RtAudio.h</h1><div class="fragment"><pre>00001 <font class="comment">/************************************************************************/</font>
-00038 <font class="comment">/************************************************************************/</font>
-00039
-00040 <font class="preprocessor">#if !defined(__RTAUDIO_H)</font>
-00041 <font class="preprocessor"></font><font class="preprocessor">#define __RTAUDIO_H</font>
-00042 <font class="preprocessor"></font>
-00043 <font class="preprocessor">#include <map></font>
-00044
-00045 <font class="preprocessor">#if defined(__LINUX_ALSA__)</font>
-00046 <font class="preprocessor"></font><font class="preprocessor"> #include <alsa/asoundlib.h></font>
-00047 <font class="preprocessor"> #include <pthread.h></font>
-00048 <font class="preprocessor"> #include <unistd.h></font>
-00049
-00050 <font class="keyword">typedef</font> snd_pcm_t *AUDIO_HANDLE;
-00051 <font class="keyword">typedef</font> <font class="keywordtype">int</font> DEVICE_ID;
-00052 <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;
-00053 <font class="keyword">typedef</font> pthread_mutex_t MUTEX;
-00054
-00055 <font class="preprocessor">#elif defined(__LINUX_OSS__)</font>
-00056 <font class="preprocessor"></font><font class="preprocessor"> #include <pthread.h></font>
-00057 <font class="preprocessor"> #include <unistd.h></font>
-00058
-00059 <font class="keyword">typedef</font> <font class="keywordtype">int</font> AUDIO_HANDLE;
-00060 <font class="keyword">typedef</font> <font class="keywordtype">int</font> DEVICE_ID;
-00061 <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;
-00062 <font class="keyword">typedef</font> pthread_mutex_t MUTEX;
-00063
-00064 <font class="preprocessor">#elif defined(__WINDOWS_DS__)</font>
-00065 <font class="preprocessor"></font><font class="preprocessor"> #include <windows.h></font>
-00066 <font class="preprocessor"> #include <process.h></font>
-00067
-00068 <font class="comment">// The following struct is used to hold the extra variables</font>
-00069 <font class="comment">// specific to the DirectSound implementation.</font>
-00070 <font class="keyword">typedef</font> <font class="keyword">struct </font>{
-00071 <font class="keywordtype">void</font> * object;
-00072 <font class="keywordtype">void</font> * buffer;
-00073 UINT bufferPointer;
-00074 } AUDIO_HANDLE;
-00075
-00076 <font class="keyword">typedef</font> LPGUID DEVICE_ID;
-00077 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> THREAD_HANDLE;
-00078 <font class="keyword">typedef</font> CRITICAL_SECTION MUTEX;
-00079
-00080 <font class="preprocessor">#elif defined(__WINDOWS_ASIO__)</font>
-00081 <font class="preprocessor"></font><font class="preprocessor"> #include <windows.h></font>
-00082 <font class="preprocessor"> #include <process.h></font>
-00083
-00084 <font class="keyword">typedef</font> <font class="keywordtype">int</font> AUDIO_HANDLE;
-00085 <font class="keyword">typedef</font> <font class="keywordtype">int</font> DEVICE_ID;
-00086 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> THREAD_HANDLE;
-00087 <font class="keyword">typedef</font> CRITICAL_SECTION MUTEX;
-00088
-00089 <font class="preprocessor">#elif defined(__IRIX_AL__)</font>
-00090 <font class="preprocessor"></font><font class="preprocessor"> #include <dmedia/audio.h></font>
-00091 <font class="preprocessor"> #include <pthread.h></font>
-00092 <font class="preprocessor"> #include <unistd.h></font>
-00093
-00094 <font class="keyword">typedef</font> ALport AUDIO_HANDLE;
-00095 <font class="keyword">typedef</font> <font class="keywordtype">long</font> DEVICE_ID;
-00096 <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;
-00097 <font class="keyword">typedef</font> pthread_mutex_t MUTEX;
-00098
-00099 <font class="preprocessor">#elif defined(__MACOSX_CORE__)</font>
-00100 <font class="preprocessor"></font>
-00101 <font class="preprocessor"> #include <CoreAudio/AudioHardware.h></font>
-00102 <font class="preprocessor"> #include <pthread.h></font>
-00103
-00104 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> AUDIO_HANDLE;
-00105 <font class="keyword">typedef</font> AudioDeviceID DEVICE_ID;
-00106 <font class="keyword">typedef</font> pthread_t THREAD_HANDLE;
-00107 <font class="keyword">typedef</font> pthread_mutex_t MUTEX;
-00108
-00109 <font class="preprocessor">#endif</font>
-00110 <font class="preprocessor"></font>
-00111
-00112 <font class="comment">/************************************************************************/</font>
-00125 <font class="comment">/************************************************************************/</font>
-00126
-00127 <font class="keyword">class </font><a class="code" href="classRtError.html">RtError</a>
-00128 {
-00129 <font class="keyword">public</font>:
-<a name="l00131"></a><a class="code" href="classRtError.html#s11">00131</a> <font class="keyword">enum</font> TYPE {
-00132 WARNING,
-00133 DEBUG_WARNING,
-00134 UNSPECIFIED,
-00135 NO_DEVICES_FOUND,
-00136 INVALID_DEVICE,
-00137 INVALID_STREAM,
-00138 MEMORY_ERROR,
-00139 INVALID_PARAMETER,
-00140 DRIVER_ERROR,
-00141 SYSTEM_ERROR,
-00142 THREAD_ERROR
-00143 };
-00144
-00145 <font class="keyword">protected</font>:
-00146 <font class="keywordtype">char</font> error_message[256];
-00147 TYPE type;
-00148
-00149 <font class="keyword">public</font>:
-00151 <a class="code" href="classRtError.html#a0">RtError</a>(<font class="keyword">const</font> <font class="keywordtype">char</font> *p, TYPE tipe = RtError::UNSPECIFIED);
-00152
-00154 <font class="keyword">virtual</font> <a class="code" href="classRtError.html#a1">~RtError</a>(<font class="keywordtype">void</font>);
-00155
-00157 <font class="keyword">virtual</font> <font class="keywordtype">void</font> <a class="code" href="classRtError.html#a2">printMessage</a>(<font class="keywordtype">void</font>);
-00158
-<a name="l00160"></a><a class="code" href="classRtError.html#a3">00160</a> <font class="keyword">virtual</font> <font class="keyword">const</font> TYPE& <a class="code" href="classRtError.html#a3">getType</a>(<font class="keywordtype">void</font>)<font class="keyword"> </font>{ <font class="keywordflow">return</font> type; }
-00161
-<a name="l00163"></a><a class="code" href="classRtError.html#a4">00163</a> <font class="keyword">virtual</font> <font class="keyword">const</font> <font class="keywordtype">char</font> *<a class="code" href="classRtError.html#a4">getMessage</a>(<font class="keywordtype">void</font>)<font class="keyword"> </font>{ <font class="keywordflow">return</font> error_message; }
-00164 };
-00165
-00166
-00167 <font class="comment">// This public structure type is used to pass callback information</font>
-00168 <font class="comment">// between the private RtAudio stream structure and global callback</font>
-00169 <font class="comment">// handling functions.</font>
-00170 <font class="keyword">typedef</font> <font class="keyword">struct </font>{
-00171 <font class="keywordtype">void</font> *object; <font class="comment">// Used as a "this" pointer.</font>
-00172 <font class="keywordtype">int</font> streamId;
-00173 DEVICE_ID device[2];
-00174 THREAD_HANDLE thread;
-00175 <font class="keywordtype">void</font> *callback;
-00176 <font class="keywordtype">void</font> *buffers;
-00177 <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> waitTime;
-00178 <font class="keywordtype">bool</font> blockTick;
-00179 <font class="keywordtype">bool</font> stopStream;
-00180 <font class="keywordtype">bool</font> usingCallback;
-00181 <font class="keywordtype">void</font> *userData;
-00182 } CALLBACK_INFO;
-00183
-00184
-00185 <font class="comment">// *************************************************** //</font>
-00186 <font class="comment">//</font>
-00187 <font class="comment">// RtAudio class declaration.</font>
-00188 <font class="comment">//</font>
-00189 <font class="comment">// *************************************************** //</font>
-00190
-00191 <font class="keyword">class </font><a class="code" href="classRtAudio.html">RtAudio</a>
-00192 {
-00193 <font class="keyword">public</font>:
-00194
-00195 <font class="comment">// Support for signed integers and floats. Audio data fed to/from</font>
-00196 <font class="comment">// the tickStream() routine is assumed to ALWAYS be in host</font>
-00197 <font class="comment">// byte order. The internal routines will automatically take care of</font>
-00198 <font class="comment">// any necessary byte-swapping between the host format and the</font>
-00199 <font class="comment">// soundcard. Thus, endian-ness is not a concern in the following</font>
-00200 <font class="comment">// format definitions.</font>
-00201 <font class="keyword">typedef</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">long</font> RTAUDIO_FORMAT;
-<a name="l00202"></a><a class="code" href="classRtAudio.html#p0">00202</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT8;
-<a name="l00203"></a><a class="code" href="classRtAudio.html#p1">00203</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT16;
-<a name="l00204"></a><a class="code" href="classRtAudio.html#p2">00204</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT24;
-<a name="l00205"></a><a class="code" href="classRtAudio.html#p3">00205</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_SINT32;
-<a name="l00206"></a><a class="code" href="classRtAudio.html#p4">00206</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_FLOAT32;
-<a name="l00207"></a><a class="code" href="classRtAudio.html#p5">00207</a> <font class="keyword">static</font> <font class="keyword">const</font> RTAUDIO_FORMAT RTAUDIO_FLOAT64;
-00209 <font class="comment">//static const int MAX_SAMPLE_RATES = 14;</font>
-00210 <font class="keyword">enum</font> { MAX_SAMPLE_RATES = 14 };
-00211
-00212 <font class="keyword">typedef</font> int (*RTAUDIO_CALLBACK)(<font class="keywordtype">char</font> *buffer, <font class="keywordtype">int</font> bufferSize, <font class="keywordtype">void</font> *userData);
-00213
-<a name="l00215"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html">00215</a> <font class="keyword">typedef</font> <font class="keyword">struct </font>{
-<a name="l00216"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m0">00216</a> <font class="keywordtype">char</font> name[128];
-00217 DEVICE_ID id[2]; <font class="comment">/* No value reported by getDeviceInfo(). */</font>
-<a name="l00218"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m2">00218</a> <font class="keywordtype">bool</font> probed;
-<a name="l00219"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m3">00219</a> <font class="keywordtype">int</font> maxOutputChannels;
-<a name="l00220"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m4">00220</a> <font class="keywordtype">int</font> maxInputChannels;
-<a name="l00221"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m5">00221</a> <font class="keywordtype">int</font> maxDuplexChannels;
-<a name="l00222"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m6">00222</a> <font class="keywordtype">int</font> minOutputChannels;
-<a name="l00223"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m7">00223</a> <font class="keywordtype">int</font> minInputChannels;
-<a name="l00224"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m8">00224</a> <font class="keywordtype">int</font> minDuplexChannels;
-<a name="l00225"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m9">00225</a> <font class="keywordtype">bool</font> hasDuplexSupport;
-<a name="l00226"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m10">00226</a> <font class="keywordtype">bool</font> isDefault;
-<a name="l00227"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m11">00227</a> <font class="keywordtype">int</font> nSampleRates;
-<a name="l00228"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m12">00228</a> <font class="keywordtype">int</font> sampleRates[MAX_SAMPLE_RATES];
-<a name="l00229"></a><a class="code" href="structRtAudio_1_1RTAUDIO__DEVICE.html#m13">00229</a> RTAUDIO_FORMAT nativeFormats;
-00230 } RTAUDIO_DEVICE;
-00231
-00233
-00239 <a class="code" href="classRtAudio.html#a0">RtAudio</a>();
-00240
-00242
-00253 <a class="code" href="classRtAudio.html#a0">RtAudio</a>(<font class="keywordtype">int</font> *streamId,
-00254 <font class="keywordtype">int</font> outputDevice, <font class="keywordtype">int</font> outputChannels,
-00255 <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels,
-00256 RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate,
-00257 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers);
-00258
-00260
-00264 <a class="code" href="classRtAudio.html#a2">~RtAudio</a>();
-00265
-00267
-00294 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a3">openStream</a>(<font class="keywordtype">int</font> outputDevice, <font class="keywordtype">int</font> outputChannels,
-00295 <font class="keywordtype">int</font> inputDevice, <font class="keywordtype">int</font> inputChannels,
-00296 RTAUDIO_FORMAT format, <font class="keywordtype">int</font> sampleRate,
-00297 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers);
-00298
-00300
-00319 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a4">setStreamCallback</a>(<font class="keywordtype">int</font> streamId, RTAUDIO_CALLBACK callback, <font class="keywordtype">void</font> *userData);
-00320
-00322
-00329 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a5">cancelStreamCallback</a>(<font class="keywordtype">int</font> streamId);
-00330
-00332 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a6">getDeviceCount</a>(<font class="keywordtype">void</font>);
-00333
-00335
-00343 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a7">getDeviceInfo</a>(<font class="keywordtype">int</font> device, RTAUDIO_DEVICE *info);
-00344
-00346
-00351 <font class="keywordtype">char</font> * <font class="keyword">const</font> <a class="code" href="classRtAudio.html#a8">getStreamBuffer</a>(<font class="keywordtype">int</font> streamId);
-00352
-00354
-00359 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a9">tickStream</a>(<font class="keywordtype">int</font> streamId);
-00360
-00362
-00366 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a10">closeStream</a>(<font class="keywordtype">int</font> streamId);
-00367
-00369
-00373 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a11">startStream</a>(<font class="keywordtype">int</font> streamId);
-00374
-00376
-00380 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a12">stopStream</a>(<font class="keywordtype">int</font> streamId);
-00381
-00383
-00387 <font class="keywordtype">void</font> <a class="code" href="classRtAudio.html#a13">abortStream</a>(<font class="keywordtype">int</font> streamId);
-00388
-00390
-00395 <font class="keywordtype">int</font> <a class="code" href="classRtAudio.html#a14">streamWillBlock</a>(<font class="keywordtype">int</font> streamId);
-00396
-00397 <font class="preprocessor">#if (defined(__MACOSX_CORE__) || defined(__WINDOWS_ASIO__))</font>
-00398 <font class="preprocessor"></font> <font class="comment">// This function is intended for internal use only. It must be</font>
-00399 <font class="comment">// public because it is called by the internal callback handler,</font>
-00400 <font class="comment">// which is not a member of RtAudio. External use of this function</font>
-00401 <font class="comment">// will most likely produce highly undesireable results!</font>
-00402 <font class="keywordtype">void</font> callbackEvent(<font class="keywordtype">int</font> streamId, DEVICE_ID deviceId, <font class="keywordtype">void</font> *inData, <font class="keywordtype">void</font> *outData);
-00403 <font class="preprocessor">#endif</font>
-00404 <font class="preprocessor"></font>
-00405 <font class="keyword">protected</font>:
-00406
-00407 <font class="keyword">private</font>:
-00408
-00409 <font class="keyword">static</font> <font class="keyword">const</font> <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> SAMPLE_RATES[MAX_SAMPLE_RATES];
-00410
-00411 <font class="keyword">enum</font> { FAILURE, SUCCESS };
-00412
-00413 <font class="keyword">enum</font> STREAM_MODE {
-00414 OUTPUT,
-00415 INPUT,
-00416 DUPLEX,
-00417 UNINITIALIZED = -75
-00418 };
-00419
-00420 <font class="keyword">enum</font> STREAM_STATE {
-00421 STREAM_STOPPED,
-00422 STREAM_RUNNING
-00423 };
-00424
-00425 <font class="keyword">typedef</font> <font class="keyword">struct </font>{
-00426 <font class="keywordtype">int</font> device[2]; <font class="comment">// Playback and record, respectively.</font>
-00427 STREAM_MODE mode; <font class="comment">// OUTPUT, INPUT, or DUPLEX.</font>
-00428 AUDIO_HANDLE handle[2]; <font class="comment">// Playback and record handles, respectively.</font>
-00429 STREAM_STATE state; <font class="comment">// STOPPED or RUNNING</font>
-00430 <font class="keywordtype">char</font> *userBuffer;
-00431 <font class="keywordtype">char</font> *deviceBuffer;
-00432 <font class="keywordtype">bool</font> doConvertBuffer[2]; <font class="comment">// Playback and record, respectively.</font>
-00433 <font class="keywordtype">bool</font> deInterleave[2]; <font class="comment">// Playback and record, respectively.</font>
-00434 <font class="keywordtype">bool</font> doByteSwap[2]; <font class="comment">// Playback and record, respectively.</font>
-00435 <font class="keywordtype">int</font> sampleRate;
-00436 <font class="keywordtype">int</font> bufferSize;
-00437 <font class="keywordtype">int</font> nBuffers;
-00438 <font class="keywordtype">int</font> nUserChannels[2]; <font class="comment">// Playback and record, respectively.</font>
-00439 <font class="keywordtype">int</font> nDeviceChannels[2]; <font class="comment">// Playback and record channels, respectively.</font>
-00440 RTAUDIO_FORMAT userFormat;
-00441 RTAUDIO_FORMAT deviceFormat[2]; <font class="comment">// Playback and record, respectively.</font>
-00442 MUTEX mutex;
-00443 CALLBACK_INFO callbackInfo;
-00444 } RTAUDIO_STREAM;
-00445
-00446 <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">short</font> INT16;
-00447 <font class="keyword">typedef</font> <font class="keywordtype">signed</font> <font class="keywordtype">int</font> INT32;
-00448 <font class="keyword">typedef</font> <font class="keywordtype">float</font> FLOAT32;
-00449 <font class="keyword">typedef</font> <font class="keywordtype">double</font> FLOAT64;
-00450
-00451 <font class="keywordtype">char</font> message[256];
-00452 <font class="keywordtype">int</font> nDevices;
-00453 RTAUDIO_DEVICE *devices;
-00454
-00455 std::map<int, void *> streams;
-00456
-00458 <font class="keywordtype">void</font> error(RtError::TYPE type);
-00459
-00464 <font class="keywordtype">void</font> initialize(<font class="keywordtype">void</font>);
-00465
-00470 <font class="keywordtype">int</font> getDefaultInputDevice(<font class="keywordtype">void</font>);
-00471
-00476 <font class="keywordtype">int</font> getDefaultOutputDevice(<font class="keywordtype">void</font>);
-00477
-00479 <font class="keywordtype">void</font> clearDeviceInfo(RTAUDIO_DEVICE *info);
-00480
-00488 <font class="keywordtype">void</font> probeDeviceInfo(RTAUDIO_DEVICE *info);
-00489
-00496 <font class="keywordtype">bool</font> probeDeviceOpen(<font class="keywordtype">int</font> device, RTAUDIO_STREAM *stream,
-00497 STREAM_MODE mode, <font class="keywordtype">int</font> channels,
-00498 <font class="keywordtype">int</font> sampleRate, RTAUDIO_FORMAT format,
-00499 <font class="keywordtype">int</font> *bufferSize, <font class="keywordtype">int</font> numberOfBuffers);
-00500
-00507 <font class="keywordtype">void</font> *verifyStream(<font class="keywordtype">int</font> streamId);
-00508
-00513 <font class="keywordtype">void</font> convertStreamBuffer(RTAUDIO_STREAM *stream, STREAM_MODE mode);
-00514
-00516 <font class="keywordtype">void</font> byteSwapBuffer(<font class="keywordtype">char</font> *buffer, <font class="keywordtype">int</font> samples, RTAUDIO_FORMAT format);
-00517
-00519 <font class="keywordtype">int</font> formatBytes(RTAUDIO_FORMAT format);
-00520 };
-00521
-00522 <font class="comment">// Define the following flag to have extra information spewed to stderr.</font>
-00523 <font class="comment">//#define __RTAUDIO_DEBUG__</font>
-00524
-00525 <font class="preprocessor">#endif</font>
-</font></pre></div><HR>
-<table><tr><td><img src="../images/ccrma.gif">
- <td>©2001-2002 Gary P. Scavone, CCRMA, Stanford University. All Rights Reserved.<br>
- Maintained by Gary P. Scavone, <a href="mailto:gary@ccrma.stanford.edu">gary@ccrma.stanford.edu</a><P>
+<table><tr><td><img src="../images/mcgill.gif" width=165></td>
+ <td>©2001-2009 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>
</table>
</BODY>