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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="classDoubleReader-members.html">List of all members</a> </div>
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<div class="title">DoubleReader Class Reference</div> </div>
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<p>This reader plays two readers sequently.
<a href="classDoubleReader.html#details">More...</a></p>
<p><code>#include <<a class="el" href="DoubleReader_8h_source.html">DoubleReader.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for DoubleReader:</div>
<div class="dyncontent">
<div class="center"><img src="classDoubleReader__inherit__graph.png" border="0" usemap="#DoubleReader_inherit__map" alt="Inheritance graph"/></div>
<map name="DoubleReader_inherit__map" id="DoubleReader_inherit__map">
<area shape="rect" title="This reader plays two readers sequently." alt="" coords="5,80,115,107"/>
<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="25,5,95,32"/>
</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:a10eba1e6dd89236951a63451acd5a810"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#a10eba1e6dd89236951a63451acd5a810">DoubleReader</a> (std::shared_ptr< <a class="el" href="classIReader.html">IReader</a> > reader1, std::shared_ptr< <a class="el" href="classIReader.html">IReader</a> > reader2)</td></tr>
<tr class="memdesc:a10eba1e6dd89236951a63451acd5a810"><td class="mdescLeft"> </td><td class="mdescRight">Creates a new double reader. <a href="#a10eba1e6dd89236951a63451acd5a810">More...</a><br /></td></tr>
<tr class="separator:a10eba1e6dd89236951a63451acd5a810"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae70418718f36df7bac48babde530dc62"><td class="memItemLeft" align="right" valign="top"><a id="ae70418718f36df7bac48babde530dc62"></a>
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#ae70418718f36df7bac48babde530dc62">~DoubleReader</a> ()</td></tr>
<tr class="memdesc:ae70418718f36df7bac48babde530dc62"><td class="mdescLeft"> </td><td class="mdescRight">Destroys the reader. <br /></td></tr>
<tr class="separator:ae70418718f36df7bac48babde530dc62"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae7df8d269402c7dff4f914208f3ee8a2"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#ae7df8d269402c7dff4f914208f3ee8a2">isSeekable</a> () const</td></tr>
<tr class="memdesc:ae7df8d269402c7dff4f914208f3ee8a2"><td class="mdescLeft"> </td><td class="mdescRight">Tells whether the source provides seeking functionality or not. <a href="#ae7df8d269402c7dff4f914208f3ee8a2">More...</a><br /></td></tr>
<tr class="separator:ae7df8d269402c7dff4f914208f3ee8a2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afad44dd3fa7d56a5f7611959df26406b"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#afad44dd3fa7d56a5f7611959df26406b">seek</a> (int position)</td></tr>
<tr class="memdesc:afad44dd3fa7d56a5f7611959df26406b"><td class="mdescLeft"> </td><td class="mdescRight">Seeks to a specific position in the source. <a href="#afad44dd3fa7d56a5f7611959df26406b">More...</a><br /></td></tr>
<tr class="separator:afad44dd3fa7d56a5f7611959df26406b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7897720a138addb1ee57181a71d63479"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#a7897720a138addb1ee57181a71d63479">getLength</a> () const</td></tr>
<tr class="memdesc:a7897720a138addb1ee57181a71d63479"><td class="mdescLeft"> </td><td class="mdescRight">Returns an approximated length of the source in samples. <a href="#a7897720a138addb1ee57181a71d63479">More...</a><br /></td></tr>
<tr class="separator:a7897720a138addb1ee57181a71d63479"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa9ca1194d455374f928dd938810ef2ea"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#aa9ca1194d455374f928dd938810ef2ea">getPosition</a> () const</td></tr>
<tr class="memdesc:aa9ca1194d455374f928dd938810ef2ea"><td class="mdescLeft"> </td><td class="mdescRight">Returns the position of the source as a sample count value. <a href="#aa9ca1194d455374f928dd938810ef2ea">More...</a><br /></td></tr>
<tr class="separator:aa9ca1194d455374f928dd938810ef2ea"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2ee2213723a8685bdab78ed6d73c2898"><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="classDoubleReader.html#a2ee2213723a8685bdab78ed6d73c2898">getSpecs</a> () const</td></tr>
<tr class="memdesc:a2ee2213723a8685bdab78ed6d73c2898"><td class="mdescLeft"> </td><td class="mdescRight">Returns the specification of the reader. <a href="#a2ee2213723a8685bdab78ed6d73c2898">More...</a><br /></td></tr>
<tr class="separator:a2ee2213723a8685bdab78ed6d73c2898"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a21fc63aba93db02b1e9cf2ed41026218"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classDoubleReader.html#a21fc63aba93db02b1e9cf2ed41026218">read</a> (int &length, bool &eos, <a class="el" href="Audaspace_8h.html#aa0798f7ea0975b143a1d9deac8c05d43">sample_t</a> *buffer)</td></tr>
<tr class="memdesc:a21fc63aba93db02b1e9cf2ed41026218"><td class="mdescLeft"> </td><td class="mdescRight">Request to read the next length samples out of the source. <a href="#a21fc63aba93db02b1e9cf2ed41026218">More...</a><br /></td></tr>
<tr class="separator:a21fc63aba93db02b1e9cf2ed41026218"><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 reader plays two readers sequently. </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
<a id="a10eba1e6dd89236951a63451acd5a810"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a10eba1e6dd89236951a63451acd5a810">◆ </a></span>DoubleReader()</h2>
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<td class="memname">DoubleReader::DoubleReader </td>
<td>(</td>
<td class="paramtype">std::shared_ptr< <a class="el" href="classIReader.html">IReader</a> > </td>
<td class="paramname"><em>reader1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">std::shared_ptr< <a class="el" href="classIReader.html">IReader</a> > </td>
<td class="paramname"><em>reader2</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Creates a new double reader. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">reader1</td><td>The first reader to read from. </td></tr>
<tr><td class="paramname">reader2</td><td>The second reader to read from. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a7897720a138addb1ee57181a71d63479"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7897720a138addb1ee57181a71d63479">◆ </a></span>getLength()</h2>
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<td class="memname">virtual int DoubleReader::getLength </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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</table>
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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="aa9ca1194d455374f928dd938810ef2ea"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa9ca1194d455374f928dd938810ef2ea">◆ </a></span>getPosition()</h2>
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<td class="memname">virtual int DoubleReader::getPosition </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
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<td class="mlabels-right">
<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="a2ee2213723a8685bdab78ed6d73c2898"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a2ee2213723a8685bdab78ed6d73c2898">◆ </a></span>getSpecs()</h2>
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<td class="memname">virtual <a class="el" href="structSpecs.html">Specs</a> DoubleReader::getSpecs </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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</table>
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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="ae7df8d269402c7dff4f914208f3ee8a2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ae7df8d269402c7dff4f914208f3ee8a2">◆ </a></span>isSeekable()</h2>
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<td class="memname">virtual bool DoubleReader::isSeekable </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
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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="a21fc63aba93db02b1e9cf2ed41026218"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a21fc63aba93db02b1e9cf2ed41026218">◆ </a></span>read()</h2>
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<td class="memname">virtual void DoubleReader::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>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
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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>
</div>
<a id="afad44dd3fa7d56a5f7611959df26406b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afad44dd3fa7d56a5f7611959df26406b">◆ </a></span>seek()</h2>
<div class="memitem">
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<td class="mlabels-left">
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<td class="memname">virtual void DoubleReader::seek </td>
<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>position</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<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>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>sequence/<a class="el" href="DoubleReader_8h_source.html">DoubleReader.h</a></li>
</ul>
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