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+<h1><a class="anchor" name="recording">Recording</a></h1>Using <a class="el" href="classRtAudio.html">RtAudio</a> for audio input is almost identical to the way it is used for playback. Here's the blocking playback example rewritten for recording:<p>
+<div class="fragment"><pre class="fragment"><span class="preprocessor">#include "<a class="code" href="RtAudio_8h.html">RtAudio.h</a>"</span>
+<span class="preprocessor">#include &lt;iostream&gt;</span>
+
+<span class="keywordtype">int</span> record( <span class="keywordtype">void</span> *outputBuffer, <span class="keywordtype">void</span> *inputBuffer, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nBufferFrames,
+         <span class="keywordtype">double</span> streamTime, <a class="code" href="RtAudio_8h.html#a12">RtAudioStreamStatus</a> status, <span class="keywordtype">void</span> *userData )
+{
+  <span class="keywordflow">if</span> ( status )
+    std::cout &lt;&lt; <span class="stringliteral">"Stream overflow detected!"</span> &lt;&lt; std::endl;
+
+  <span class="comment">// Do something with the data in the "inputBuffer" buffer.</span>
+
+  <span class="keywordflow">return</span> 0;
+}
+
+<span class="keywordtype">int</span> main()
+{
+  <a class="code" href="classRtAudio.html">RtAudio</a> adc;
+  <span class="keywordflow">if</span> ( adc.<a class="code" href="classRtAudio.html#a3">getDeviceCount</a>() &lt; 1 ) {
+    std::cout &lt;&lt; <span class="stringliteral">"\nNo audio devices found!\n"</span>;
+    exit( 0 );
+  }
+
+  <a class="code" href="structRtAudio_1_1StreamParameters.html">RtAudio::StreamParameters</a> parameters;
+  parameters.<a class="code" href="structRtAudio_1_1StreamParameters.html#o0">deviceId</a> = adc.<a class="code" href="classRtAudio.html#a6">getDefaultInputDevice</a>();
+  parameters.<a class="code" href="structRtAudio_1_1StreamParameters.html#o1">nChannels</a> = 2;
+  parameters.<a class="code" href="structRtAudio_1_1StreamParameters.html#o2">firstChannel</a> = 0;
+  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> sampleRate = 44100;
+  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> bufferFrames = 256; <span class="comment">// 256 sample frames</span>
+
+  <span class="keywordflow">try</span> {
+    adc.<a class="code" href="classRtAudio.html#a7">openStream</a>( NULL, &amp;parameters, RTAUDIO_SINT16,
+                    sampleRate, &amp;bufferFrames, &amp;record );
+    adc.<a class="code" href="classRtAudio.html#a9">startStream</a>();
+  }
+  <span class="keywordflow">catch</span> ( <a class="code" href="classRtError.html">RtError</a>&amp; e ) {
+    e.<a class="code" href="classRtError.html#a2">printMessage</a>();
+    exit( 0 );
+  }
+  
+  <span class="keywordtype">char</span> input;
+  std::cout &lt;&lt; <span class="stringliteral">"\nRecording ... press &lt;enter&gt; to quit.\n"</span>;
+  std::cin.get( input );
+
+  <span class="keywordflow">try</span> {
+    <span class="comment">// Stop the stream</span>
+    adc.<a class="code" href="classRtAudio.html#a10">stopStream</a>();
+  }
+  <span class="keywordflow">catch</span> (<a class="code" href="classRtError.html">RtError</a>&amp; e) {
+    e.<a class="code" href="classRtError.html#a2">printMessage</a>();
+  }
+
+  <span class="keywordflow">if</span> ( adc.<a class="code" href="classRtAudio.html#a12">isStreamOpen</a>() ) adc.<a class="code" href="classRtAudio.html#a8">closeStream</a>();
+
+  <span class="keywordflow">return</span> 0;
+}
+</pre></div><p>
+In this example, we pass the address of the stream parameter structure as the second argument of the <a class="el" href="classRtAudio.html#a7">RtAudio::openStream()</a> function and pass a NULL value for the output stream parameters. In this example, the <em>record()</em> callback function performs no specific operations. <HR>
+
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