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<div id="projectname">Audaspace
 <span id="projectnumber">1.3.0</span>
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<div id="projectbrief">A high level audio library.</div>
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<a href="#pub-methods">Public Member Functions</a> |
<a href="classSineReader-members.html">List of all members</a> </div>
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<div class="title">SineReader Class Reference</div> </div>
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<p>This class is used for sine tone playback.
<a href="classSineReader.html#details">More...</a></p>
<p><code>#include <<a class="el" href="SineReader_8h_source.html">SineReader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for SineReader:</div>
<div class="dyncontent">
<div class="center"><img src="classSineReader__inherit__graph.png" border="0" usemap="#SineReader_inherit__map" alt="Inheritance graph"/></div>
<map name="SineReader_inherit__map" id="SineReader_inherit__map">
<area shape="rect" title="This class is used for sine tone playback." alt="" coords="5,80,96,107"/>
<area shape="rect" href="classIReader.html" title="This class represents a sound source as stream or as buffer which can be read for example by another ..." alt="" coords="16,5,85,32"/>
</map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a43687a79ec6e2ad3e99bc5f2c05c9f20"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a43687a79ec6e2ad3e99bc5f2c05c9f20">SineReader</a> (float frequency, <a class="el" href="Specification_8h.html#a11249ca544d179e7fa61b2200a092407">SampleRate</a> sampleRate)</td></tr>
<tr class="memdesc:a43687a79ec6e2ad3e99bc5f2c05c9f20"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new reader. <a href="#a43687a79ec6e2ad3e99bc5f2c05c9f20">More...</a><br /></td></tr>
<tr class="separator:a43687a79ec6e2ad3e99bc5f2c05c9f20"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a285d43abb8c439dcf1db9747039554ab"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a285d43abb8c439dcf1db9747039554ab">setFrequency</a> (float frequency)</td></tr>
<tr class="memdesc:a285d43abb8c439dcf1db9747039554ab"><td class="mdescLeft"> </td><td class="mdescRight">Sets the frequency of the wave. <a href="#a285d43abb8c439dcf1db9747039554ab">More...</a><br /></td></tr>
<tr class="separator:a285d43abb8c439dcf1db9747039554ab"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a11d951c62d766437b43dc19a2f333f5d"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a11d951c62d766437b43dc19a2f333f5d">isSeekable</a> () const</td></tr>
<tr class="memdesc:a11d951c62d766437b43dc19a2f333f5d"><td class="mdescLeft"> </td><td class="mdescRight">Tells whether the source provides seeking functionality or not. <a href="#a11d951c62d766437b43dc19a2f333f5d">More...</a><br /></td></tr>
<tr class="separator:a11d951c62d766437b43dc19a2f333f5d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a01625bf65706c549dfdd57e35f2e23c0"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a01625bf65706c549dfdd57e35f2e23c0">seek</a> (int position)</td></tr>
<tr class="memdesc:a01625bf65706c549dfdd57e35f2e23c0"><td class="mdescLeft"> </td><td class="mdescRight">Seeks to a specific position in the source. <a href="#a01625bf65706c549dfdd57e35f2e23c0">More...</a><br /></td></tr>
<tr class="separator:a01625bf65706c549dfdd57e35f2e23c0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a44805c846b7023147ea6e556210bddd1"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a44805c846b7023147ea6e556210bddd1">getLength</a> () const</td></tr>
<tr class="memdesc:a44805c846b7023147ea6e556210bddd1"><td class="mdescLeft"> </td><td class="mdescRight">Returns an approximated length of the source in samples. <a href="#a44805c846b7023147ea6e556210bddd1">More...</a><br /></td></tr>
<tr class="separator:a44805c846b7023147ea6e556210bddd1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5c2da00aa3e7c9eb9e2c0007479eec75"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a5c2da00aa3e7c9eb9e2c0007479eec75">getPosition</a> () const</td></tr>
<tr class="memdesc:a5c2da00aa3e7c9eb9e2c0007479eec75"><td class="mdescLeft"> </td><td class="mdescRight">Returns the position of the source as a sample count value. <a href="#a5c2da00aa3e7c9eb9e2c0007479eec75">More...</a><br /></td></tr>
<tr class="separator:a5c2da00aa3e7c9eb9e2c0007479eec75"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a619ee1aa35f64a768e46dd268bb2893b"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="structSpecs.html">Specs</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#a619ee1aa35f64a768e46dd268bb2893b">getSpecs</a> () const</td></tr>
<tr class="memdesc:a619ee1aa35f64a768e46dd268bb2893b"><td class="mdescLeft"> </td><td class="mdescRight">Returns the specification of the reader. <a href="#a619ee1aa35f64a768e46dd268bb2893b">More...</a><br /></td></tr>
<tr class="separator:a619ee1aa35f64a768e46dd268bb2893b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aefcc6474b392ecdcb8e7eede4456180d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classSineReader.html#aefcc6474b392ecdcb8e7eede4456180d">read</a> (int &length, bool &eos, <a class="el" href="Audaspace_8h.html#aa0798f7ea0975b143a1d9deac8c05d43">sample_t</a> *buffer)</td></tr>
<tr class="memdesc:aefcc6474b392ecdcb8e7eede4456180d"><td class="mdescLeft"> </td><td class="mdescRight">Request to read the next length samples out of the source. <a href="#aefcc6474b392ecdcb8e7eede4456180d">More...</a><br /></td></tr>
<tr class="separator:aefcc6474b392ecdcb8e7eede4456180d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classIReader"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classIReader')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classIReader.html">IReader</a></td></tr>
<tr class="memitem:a3489c23855da532dd3a10cfae78bc899 inherit pub_methods_classIReader"><td class="memItemLeft" align="right" valign="top"><a id="a3489c23855da532dd3a10cfae78bc899"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classIReader.html#a3489c23855da532dd3a10cfae78bc899">~IReader</a> ()</td></tr>
<tr class="memdesc:a3489c23855da532dd3a10cfae78bc899 inherit pub_methods_classIReader"><td class="mdescLeft"> </td><td class="mdescRight">Destroys the reader. <br /></td></tr>
<tr class="separator:a3489c23855da532dd3a10cfae78bc899 inherit pub_methods_classIReader"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This class is used for sine tone playback. </p>
<p>The sample rate can be specified, the signal is mono. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a43687a79ec6e2ad3e99bc5f2c05c9f20"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a43687a79ec6e2ad3e99bc5f2c05c9f20">◆ </a></span>SineReader()</h2>
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<td class="memname">SineReader::SineReader </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>frequency</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="Specification_8h.html#a11249ca544d179e7fa61b2200a092407">SampleRate</a> </td>
<td class="paramname"><em>sampleRate</em> </td>
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<td>)</td>
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<p>Creates a new reader. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">frequency</td><td>The frequency of the sine wave. </td></tr>
<tr><td class="paramname">sampleRate</td><td>The output sample rate. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a44805c846b7023147ea6e556210bddd1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a44805c846b7023147ea6e556210bddd1">◆ </a></span>getLength()</h2>
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<td class="memname">virtual int SineReader::getLength </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Returns an approximated length of the source in samples. </p>
<dl class="section return"><dt>Returns</dt><dd>The length as sample count. May be negative if unknown. </dd></dl>
<p>Implements <a class="el" href="classIReader.html#a384465b5d988cc802702ae4bdc56ea85">IReader</a>.</p>
</div>
</div>
<a id="a5c2da00aa3e7c9eb9e2c0007479eec75"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a5c2da00aa3e7c9eb9e2c0007479eec75">◆ </a></span>getPosition()</h2>
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<td class="memname">virtual int SineReader::getPosition </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Returns the position of the source as a sample count value. </p>
<dl class="section return"><dt>Returns</dt><dd>The current position in the source. A negative value indicates that the position is unknown. </dd></dl>
<dl class="section warning"><dt>Warning</dt><dd>The value returned doesn't always have to be correct for readers, especially after seeking. </dd></dl>
<p>Implements <a class="el" href="classIReader.html#a47a8f86fd242a02ff626eb506cdb319d">IReader</a>.</p>
</div>
</div>
<a id="a619ee1aa35f64a768e46dd268bb2893b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a619ee1aa35f64a768e46dd268bb2893b">◆ </a></span>getSpecs()</h2>
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<td class="memname">virtual <a class="el" href="structSpecs.html">Specs</a> SineReader::getSpecs </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Returns the specification of the reader. </p>
<dl class="section return"><dt>Returns</dt><dd>The <a class="el" href="structSpecs.html" title="Specification of a sound source.">Specs</a> structure. </dd></dl>
<p>Implements <a class="el" href="classIReader.html#aac4f3a14d42e5c4280488db98dd771b1">IReader</a>.</p>
</div>
</div>
<a id="a11d951c62d766437b43dc19a2f333f5d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a11d951c62d766437b43dc19a2f333f5d">◆ </a></span>isSeekable()</h2>
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<td class="memname">virtual bool SineReader::isSeekable </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Tells whether the source provides seeking functionality or not. </p>
<dl class="section warning"><dt>Warning</dt><dd>This doesn't mean that the seeking always has to succeed. </dd></dl>
<dl class="section return"><dt>Returns</dt><dd>Always returns true for readers of buffering types. </dd></dl>
<p>Implements <a class="el" href="classIReader.html#acf13bbdc14e680c21122981f7d3bf6be">IReader</a>.</p>
</div>
</div>
<a id="aefcc6474b392ecdcb8e7eede4456180d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aefcc6474b392ecdcb8e7eede4456180d">◆ </a></span>read()</h2>
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<td class="memname">virtual void SineReader::read </td>
<td>(</td>
<td class="paramtype">int & </td>
<td class="paramname"><em>length</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool & </td>
<td class="paramname"><em>eos</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="Audaspace_8h.html#aa0798f7ea0975b143a1d9deac8c05d43">sample_t</a> * </td>
<td class="paramname"><em>buffer</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Request to read the next length samples out of the source. </p>
<p>The buffer supplied has the needed size. </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in,out]</td><td class="paramname">length</td><td>The count of samples that should be read. Shall contain the real count of samples after reading, in case there were only fewer samples available. A smaller value also indicates the end of the reader. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">eos</td><td>End of stream, whether the end is reached or not. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">buffer</td><td>The pointer to the buffer to read into. </td></tr>
</table>
</dd>
</dl>
<p>Implements <a class="el" href="classIReader.html#aef6fa21dfb71d3065fb14517bf0f24d5">IReader</a>.</p>
</div>
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<a id="a01625bf65706c549dfdd57e35f2e23c0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a01625bf65706c549dfdd57e35f2e23c0">◆ </a></span>seek()</h2>
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<td class="memname">virtual void SineReader::seek </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>position</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
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<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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<p>Seeks to a specific position in the source. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">position</td><td>The position to seek for measured in samples. To get from a given time to the samples you simply have to multiply the time value in seconds with the sample rate of the reader. </td></tr>
</table>
</dd>
</dl>
<dl class="section warning"><dt>Warning</dt><dd>This may work or not, depending on the actual reader. </dd></dl>
<p>Implements <a class="el" href="classIReader.html#ad9fc74bb6f4c2b1ecc0f75b7118c1458">IReader</a>.</p>
</div>
</div>
<a id="a285d43abb8c439dcf1db9747039554ab"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a285d43abb8c439dcf1db9747039554ab">◆ </a></span>setFrequency()</h2>
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<td class="memname">void SineReader::setFrequency </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"><em>frequency</em></td><td>)</td>
<td></td>
</tr>
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<p>Sets the frequency of the wave. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">frequency</td><td>The new frequency in Hertz. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>generator/<a class="el" href="SineReader_8h_source.html">SineReader.h</a></li>
</ul>
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