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<HTML>
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<TITLE>The RtMidi Tutorial</TITLE>
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<h1>RtMidiOut Class Reference</h1><!-- doxytag: class="RtMidiOut" --><!-- doxytag: inherits="RtMidi" -->
<p>A realtime MIDI output class.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="RtMidi_8h_source.html">RtMidi.h</a>></code></p>
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Inheritance diagram for RtMidiOut:</div>
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<p><a href="classRtMidiOut-members.html">List of all members.</a></p>
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<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#a8ed1b492900f3410bf91ad53203b9db3">RtMidiOut</a> (const std::string clientName=std::string("RtMidi Output Client"))</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor that allows an optional client name. <a href="#a8ed1b492900f3410bf91ad53203b9db3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab776c431bd84193febb2f78fb8c7e792"></a><!-- doxytag: member="RtMidiOut::~RtMidiOut" ref="ab776c431bd84193febb2f78fb8c7e792" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#ab776c431bd84193febb2f78fb8c7e792">~RtMidiOut</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">The destructor closes any open MIDI connections. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#a1b280d67317cd473a8816aeb2fe6c186">openPort</a> (unsigned int portNumber=0, const std::string portName=std::string("RtMidi Output"))</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Open a MIDI output connection. <a href="#a1b280d67317cd473a8816aeb2fe6c186"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3092e53a8aed2d3b163fcaa05fafd041"></a><!-- doxytag: member="RtMidiOut::closePort" ref="a3092e53a8aed2d3b163fcaa05fafd041" args="()" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#a3092e53a8aed2d3b163fcaa05fafd041">closePort</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Close an open MIDI connection (if one exists). <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#a47068e1c076d91fd89587c0ccdeddc7a">openVirtualPort</a> (const std::string portName=std::string("RtMidi Output"))</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a virtual output port, with optional name, to allow software connections (OS X and ALSA only). <a href="#a47068e1c076d91fd89587c0ccdeddc7a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad6cddbcc7faa20a7be229f765ade0877"></a><!-- doxytag: member="RtMidiOut::getPortCount" ref="ad6cddbcc7faa20a7be229f765ade0877" args="()" -->
unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#ad6cddbcc7faa20a7be229f765ade0877">getPortCount</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the number of available MIDI output ports. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#acc4ae0ab71a49ae7629075d5a9cd837c">getPortName</a> (unsigned int portNumber=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return a string identifier for the specified MIDI port type and number. <a href="#acc4ae0ab71a49ae7629075d5a9cd837c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classRtMidiOut.html#a0bd8972ef8ac4e8d37ccc4b5d51c2eb3">sendMessage</a> (std::vector< unsigned char > *message)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Immediately send a single message out an open MIDI output port. <a href="#a0bd8972ef8ac4e8d37ccc4b5d51c2eb3"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>A realtime MIDI output class. </p>
<p>This class provides a common, platform-independent API for MIDI output. It allows one to probe available MIDI output ports, to connect to one such port, and to send MIDI bytes immediately over the connection. Create multiple instances of this class to connect to more than one MIDI device at the same time.</p>
<p>by Gary P. Scavone, 2003-2008. </p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a8ed1b492900f3410bf91ad53203b9db3"></a><!-- doxytag: member="RtMidiOut::RtMidiOut" ref="a8ed1b492900f3410bf91ad53203b9db3" args="(const std::string clientName=std::string("RtMidi Output Client"))" -->
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<td class="memname">RtMidiOut::RtMidiOut </td>
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<td class="paramtype">const std::string </td>
<td class="paramname"> <em>clientName</em> = <code>std::string("RtMidi Output Client")</code></td>
<td> ) </td>
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<p>Default constructor that allows an optional client name. </p>
<p>An exception will be thrown if a MIDI system initialization error occurs. </p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a1b280d67317cd473a8816aeb2fe6c186"></a><!-- doxytag: member="RtMidiOut::openPort" ref="a1b280d67317cd473a8816aeb2fe6c186" args="(unsigned int portNumber=0, const std::string portName=std::string("RtMidi Output"))" -->
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<td class="memname">void RtMidiOut::openPort </td>
<td>(</td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>portNumber</em> = <code>0</code>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const std::string </td>
<td class="paramname"> <em>portName</em> = <code>std::string("RtMidi Output")</code></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<p>Open a MIDI output connection. </p>
<p>An optional port number greater than 0 can be specified. Otherwise, the default or first port found is opened. An exception is thrown if an error occurs while attempting to make the port connection. </p>
<p>Implements <a class="el" href="classRtMidi.html#ad9e30a89638f93193cb40edebaa536f5">RtMidi</a>.</p>
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<a class="anchor" id="a47068e1c076d91fd89587c0ccdeddc7a"></a><!-- doxytag: member="RtMidiOut::openVirtualPort" ref="a47068e1c076d91fd89587c0ccdeddc7a" args="(const std::string portName=std::string("RtMidi Output"))" -->
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<td class="memname">void RtMidiOut::openVirtualPort </td>
<td>(</td>
<td class="paramtype">const std::string </td>
<td class="paramname"> <em>portName</em> = <code>std::string("RtMidi Output")</code></td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Create a virtual output port, with optional name, to allow software connections (OS X and ALSA only). </p>
<p>This function creates a virtual MIDI output port to which other software applications can connect. This type of functionality is currently only supported by the Macintosh OS-X and Linux ALSA APIs (the function does nothing with the other APIs). An exception is thrown if an error occurs while attempting to create the virtual port. </p>
<p>Implements <a class="el" href="classRtMidi.html#a9200cde4f5337c0bc421d20bd4fcf654">RtMidi</a>.</p>
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<a class="anchor" id="acc4ae0ab71a49ae7629075d5a9cd837c"></a><!-- doxytag: member="RtMidiOut::getPortName" ref="acc4ae0ab71a49ae7629075d5a9cd837c" args="(unsigned int portNumber=0)" -->
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<td class="memname">std::string RtMidiOut::getPortName </td>
<td>(</td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>portNumber</em> = <code>0</code></td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<p>Return a string identifier for the specified MIDI port type and number. </p>
<p>An empty string is returned if an invalid port specifier is provided. </p>
<p>Implements <a class="el" href="classRtMidi.html#a799e2b9f4df39b298518f2b394db3391">RtMidi</a>.</p>
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<a class="anchor" id="a0bd8972ef8ac4e8d37ccc4b5d51c2eb3"></a><!-- doxytag: member="RtMidiOut::sendMessage" ref="a0bd8972ef8ac4e8d37ccc4b5d51c2eb3" args="(std::vector< unsigned char > *message)" -->
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<td class="memname">void RtMidiOut::sendMessage </td>
<td>(</td>
<td class="paramtype">std::vector< unsigned char > * </td>
<td class="paramname"> <em>message</em></td>
<td> ) </td>
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<p>Immediately send a single message out an open MIDI output port. </p>
<p>An exception is thrown if an error occurs during output or an output connection was not previously established. </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="RtMidi_8h_source.html">RtMidi.h</a></li>
</ul>
</div>
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<table><tr><td><img src="../images/mcgill.gif" width=165></td>
<td>©2003-2011 Gary P. Scavone, McGill University. All Rights Reserved.<br>
Maintained by Gary P. Scavone, gary at music.mcgill.ca</td></tr>
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