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<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
<a href="classPositionableAudioSource-members.html">List of all members</a>  </div>
  <div class="headertitle">
<div class="title">PositionableAudioSource Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div>  </div>
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<p>A type of <a class="el" href="classAudioSource.html" title="Base class for objects that can produce a continuous stream of audio. ">AudioSource</a> which can be repositioned.  
 <a href="classPositionableAudioSource.html#details">More...</a></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
  <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for PositionableAudioSource:</div>
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 <div class="center">
  <img src="classPositionableAudioSource.png" usemap="#PositionableAudioSource_map" alt=""/>
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<area href="classAudioSource.html" title="Base class for objects that can produce a continuous stream of audio. " alt="AudioSource" shape="rect" coords="176,0,342,24"/>
<area href="classAudioFormatReaderSource.html" title="A type of AudioSource that will read from an AudioFormatReader. " alt="AudioFormatReaderSource" shape="rect" coords="0,112,166,136"/>
<area href="classAudioTransportSource.html" title="An AudioSource that takes a PositionableAudioSource and allows it to be played, stopped, started, etc. " alt="AudioTransportSource" shape="rect" coords="176,112,342,136"/>
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<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:aa81c6f032ae672549050b0985a665cf5"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#aa81c6f032ae672549050b0985a665cf5">~PositionableAudioSource</a> ()</td></tr>
<tr class="memdesc:aa81c6f032ae672549050b0985a665cf5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="#aa81c6f032ae672549050b0985a665cf5">More...</a><br /></td></tr>
<tr class="separator:aa81c6f032ae672549050b0985a665cf5"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a1d8360d66e08d9491eb1b27c37a330ed"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#a1d8360d66e08d9491eb1b27c37a330ed">setNextReadPosition</a> (<a class="el" href="juce__MathsFunctions_8h.html#aecfc3c54bd29ad5964e1c1c3ccbf89df">int64</a> newPosition)=0</td></tr>
<tr class="memdesc:a1d8360d66e08d9491eb1b27c37a330ed"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tells the stream to move to a new position.  <a href="#a1d8360d66e08d9491eb1b27c37a330ed">More...</a><br /></td></tr>
<tr class="separator:a1d8360d66e08d9491eb1b27c37a330ed"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a93fffbfa30a0470c246f6dd2ae8597c6"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="juce__MathsFunctions_8h.html#aecfc3c54bd29ad5964e1c1c3ccbf89df">int64</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#a93fffbfa30a0470c246f6dd2ae8597c6">getNextReadPosition</a> () const =0</td></tr>
<tr class="memdesc:a93fffbfa30a0470c246f6dd2ae8597c6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the position from which the next block will be returned.  <a href="#a93fffbfa30a0470c246f6dd2ae8597c6">More...</a><br /></td></tr>
<tr class="separator:a93fffbfa30a0470c246f6dd2ae8597c6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa32269d1013b829bb7585e65ce80f08c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="juce__MathsFunctions_8h.html#aecfc3c54bd29ad5964e1c1c3ccbf89df">int64</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#aa32269d1013b829bb7585e65ce80f08c">getTotalLength</a> () const =0</td></tr>
<tr class="memdesc:aa32269d1013b829bb7585e65ce80f08c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the total length of the stream (in samples).  <a href="#aa32269d1013b829bb7585e65ce80f08c">More...</a><br /></td></tr>
<tr class="separator:aa32269d1013b829bb7585e65ce80f08c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4e59a6b4cfcfb6e8afeea42c25379849"><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#a4e59a6b4cfcfb6e8afeea42c25379849">isLooping</a> () const =0</td></tr>
<tr class="memdesc:a4e59a6b4cfcfb6e8afeea42c25379849"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns true if this source is actually playing in a loop.  <a href="#a4e59a6b4cfcfb6e8afeea42c25379849">More...</a><br /></td></tr>
<tr class="separator:a4e59a6b4cfcfb6e8afeea42c25379849"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8fba6ce7ef75cfc66c3176a37cda3ba9"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#a8fba6ce7ef75cfc66c3176a37cda3ba9">setLooping</a> (bool shouldLoop)</td></tr>
<tr class="memdesc:a8fba6ce7ef75cfc66c3176a37cda3ba9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tells the source whether you'd like it to play in a loop.  <a href="#a8fba6ce7ef75cfc66c3176a37cda3ba9">More...</a><br /></td></tr>
<tr class="separator:a8fba6ce7ef75cfc66c3176a37cda3ba9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classAudioSource"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classAudioSource')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classAudioSource.html">AudioSource</a></td></tr>
<tr class="memitem:a38b04f6bf7ea63b6cf465213c164623b inherit pub_methods_classAudioSource"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioSource.html#a38b04f6bf7ea63b6cf465213c164623b">~AudioSource</a> ()</td></tr>
<tr class="memdesc:a38b04f6bf7ea63b6cf465213c164623b inherit pub_methods_classAudioSource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Destructor.  <a href="classAudioSource.html#a38b04f6bf7ea63b6cf465213c164623b">More...</a><br /></td></tr>
<tr class="separator:a38b04f6bf7ea63b6cf465213c164623b inherit pub_methods_classAudioSource"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a653279dbd167f70e318fd280681dbddf inherit pub_methods_classAudioSource"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioSource.html#a653279dbd167f70e318fd280681dbddf">prepareToPlay</a> (int samplesPerBlockExpected, double sampleRate)=0</td></tr>
<tr class="memdesc:a653279dbd167f70e318fd280681dbddf inherit pub_methods_classAudioSource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Tells the source to prepare for playing.  <a href="classAudioSource.html#a653279dbd167f70e318fd280681dbddf">More...</a><br /></td></tr>
<tr class="separator:a653279dbd167f70e318fd280681dbddf inherit pub_methods_classAudioSource"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7823bf0f1c43333eed41664c7994f290 inherit pub_methods_classAudioSource"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioSource.html#a7823bf0f1c43333eed41664c7994f290">releaseResources</a> ()=0</td></tr>
<tr class="memdesc:a7823bf0f1c43333eed41664c7994f290 inherit pub_methods_classAudioSource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Allows the source to release anything it no longer needs after playback has stopped.  <a href="classAudioSource.html#a7823bf0f1c43333eed41664c7994f290">More...</a><br /></td></tr>
<tr class="separator:a7823bf0f1c43333eed41664c7994f290 inherit pub_methods_classAudioSource"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a36fc2484ead8fb8dc03be57d09dd5735 inherit pub_methods_classAudioSource"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioSource.html#a36fc2484ead8fb8dc03be57d09dd5735">getNextAudioBlock</a> (const <a class="el" href="structAudioSourceChannelInfo.html">AudioSourceChannelInfo</a> &amp;bufferToFill)=0</td></tr>
<tr class="memdesc:a36fc2484ead8fb8dc03be57d09dd5735 inherit pub_methods_classAudioSource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Called repeatedly to fetch subsequent blocks of audio data.  <a href="classAudioSource.html#a36fc2484ead8fb8dc03be57d09dd5735">More...</a><br /></td></tr>
<tr class="separator:a36fc2484ead8fb8dc03be57d09dd5735 inherit pub_methods_classAudioSource"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr class="memitem:a53821ed920c27c8e81a6695041dd1dca"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPositionableAudioSource.html#a53821ed920c27c8e81a6695041dd1dca">PositionableAudioSource</a> () noexcept</td></tr>
<tr class="memdesc:a53821ed920c27c8e81a6695041dd1dca"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates the <a class="el" href="classPositionableAudioSource.html" title="A type of AudioSource which can be repositioned. ">PositionableAudioSource</a>.  <a href="#a53821ed920c27c8e81a6695041dd1dca">More...</a><br /></td></tr>
<tr class="separator:a53821ed920c27c8e81a6695041dd1dca"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pro_methods_classAudioSource"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classAudioSource')"><img src="closed.png" alt="-"/>&#160;Protected Member Functions inherited from <a class="el" href="classAudioSource.html">AudioSource</a></td></tr>
<tr class="memitem:a5b8ec7dc3b76d7f219d8f77d5ccfbcef inherit pro_methods_classAudioSource"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classAudioSource.html#a5b8ec7dc3b76d7f219d8f77d5ccfbcef">AudioSource</a> () noexcept</td></tr>
<tr class="memdesc:a5b8ec7dc3b76d7f219d8f77d5ccfbcef inherit pro_methods_classAudioSource"><td class="mdescLeft">&#160;</td><td class="mdescRight">Creates an <a class="el" href="classAudioSource.html" title="Base class for objects that can produce a continuous stream of audio. ">AudioSource</a>.  <a href="classAudioSource.html#a5b8ec7dc3b76d7f219d8f77d5ccfbcef">More...</a><br /></td></tr>
<tr class="separator:a5b8ec7dc3b76d7f219d8f77d5ccfbcef inherit pro_methods_classAudioSource"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A type of <a class="el" href="classAudioSource.html" title="Base class for objects that can produce a continuous stream of audio. ">AudioSource</a> which can be repositioned. </p>
<p>The basic <a class="el" href="classAudioSource.html" title="Base class for objects that can produce a continuous stream of audio. ">AudioSource</a> just streams continuously with no idea of a current time or length, so the <a class="el" href="classPositionableAudioSource.html" title="A type of AudioSource which can be repositioned. ">PositionableAudioSource</a> is used for a finite stream that has a current read position.</p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classAudioSource.html" title="Base class for objects that can produce a continuous stream of audio. ">AudioSource</a>, <a class="el" href="classAudioTransportSource.html" title="An AudioSource that takes a PositionableAudioSource and allows it to be played, stopped, started, etc. ">AudioTransportSource</a> </dd></dl>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a53821ed920c27c8e81a6695041dd1dca"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a53821ed920c27c8e81a6695041dd1dca">&sect;&nbsp;</a></span>PositionableAudioSource()</h2>

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          <td class="memname">PositionableAudioSource::PositionableAudioSource </td>
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<p>Creates the <a class="el" href="classPositionableAudioSource.html" title="A type of AudioSource which can be repositioned. ">PositionableAudioSource</a>. </p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa81c6f032ae672549050b0985a665cf5">&sect;&nbsp;</a></span>~PositionableAudioSource()</h2>

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          <td class="memname">PositionableAudioSource::~PositionableAudioSource </td>
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<p>Destructor. </p>

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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a1d8360d66e08d9491eb1b27c37a330ed">&sect;&nbsp;</a></span>setNextReadPosition()</h2>

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          <td class="memname">virtual void PositionableAudioSource::setNextReadPosition </td>
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          <td class="paramtype"><a class="el" href="juce__MathsFunctions_8h.html#aecfc3c54bd29ad5964e1c1c3ccbf89df">int64</a>&#160;</td>
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<p>Tells the stream to move to a new position. </p>
<p>Calling this indicates that the next call to <a class="el" href="classAudioSource.html#a36fc2484ead8fb8dc03be57d09dd5735" title="Called repeatedly to fetch subsequent blocks of audio data. ">AudioSource::getNextAudioBlock()</a> should return samples from this position.</p>
<p>Note that this may be called on a different thread to <a class="el" href="classAudioSource.html#a36fc2484ead8fb8dc03be57d09dd5735" title="Called repeatedly to fetch subsequent blocks of audio data. ">getNextAudioBlock()</a>, so the subclass should make sure it's synchronised. </p>

<p>Implemented in <a class="el" href="classAudioTransportSource.html#afa89d10f6220f74c23027cfd805c6771">AudioTransportSource</a>, <a class="el" href="classBufferingAudioSource.html#aaa1d23f64abd488771fea3e6cab68ce2">BufferingAudioSource</a>, and <a class="el" href="classAudioFormatReaderSource.html#a08ce78b0db1845da34f4048b6f1c568e">AudioFormatReaderSource</a>.</p>

<p>Referenced by <a class="el" href="classAudioFormatReaderSource.html#a8cf967923624f7b75acafa3c397873da">AudioFormatReaderSource::getAudioFormatReader()</a>, and <a class="el" href="classAudioTransportSource.html#a723be769b44f4334b947e3568e2b2d4a">AudioTransportSource::getGain()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a93fffbfa30a0470c246f6dd2ae8597c6">&sect;&nbsp;</a></span>getNextReadPosition()</h2>

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          <td class="memname">virtual <a class="el" href="juce__MathsFunctions_8h.html#aecfc3c54bd29ad5964e1c1c3ccbf89df">int64</a> PositionableAudioSource::getNextReadPosition </td>
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<p>Returns the position from which the next block will be returned. </p>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="classPositionableAudioSource.html#a1d8360d66e08d9491eb1b27c37a330ed" title="Tells the stream to move to a new position. ">setNextReadPosition</a> </dd></dl>

<p>Implemented in <a class="el" href="classAudioTransportSource.html#a57baa00fcb68e24671d2e9aa402123bd">AudioTransportSource</a>, <a class="el" href="classBufferingAudioSource.html#aa0d8d7021519e011877656c1725accea">BufferingAudioSource</a>, and <a class="el" href="classAudioFormatReaderSource.html#acd5239a04ecd311c280fab04871a64cc">AudioFormatReaderSource</a>.</p>

<p>Referenced by <a class="el" href="classAudioFormatReaderSource.html#a8cf967923624f7b75acafa3c397873da">AudioFormatReaderSource::getAudioFormatReader()</a>, and <a class="el" href="classAudioTransportSource.html#a723be769b44f4334b947e3568e2b2d4a">AudioTransportSource::getGain()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#aa32269d1013b829bb7585e65ce80f08c">&sect;&nbsp;</a></span>getTotalLength()</h2>

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          <td class="memname">virtual <a class="el" href="juce__MathsFunctions_8h.html#aecfc3c54bd29ad5964e1c1c3ccbf89df">int64</a> PositionableAudioSource::getTotalLength </td>
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<p>Returns the total length of the stream (in samples). </p>

<p>Implemented in <a class="el" href="classAudioTransportSource.html#a2c41a833a4473d4ed29b53418dad5240">AudioTransportSource</a>, <a class="el" href="classBufferingAudioSource.html#aa9c0838f1c7c8cd5a9f93f72681b3bd8">BufferingAudioSource</a>, and <a class="el" href="classAudioFormatReaderSource.html#a51e078a6f53a1abb7de4e08899144fbf">AudioFormatReaderSource</a>.</p>

<p>Referenced by <a class="el" href="classAudioFormatReaderSource.html#a8cf967923624f7b75acafa3c397873da">AudioFormatReaderSource::getAudioFormatReader()</a>, <a class="el" href="classAudioTransportSource.html#a723be769b44f4334b947e3568e2b2d4a">AudioTransportSource::getGain()</a>, and <a class="el" href="classBufferingAudioSource.html#aa9c0838f1c7c8cd5a9f93f72681b3bd8">BufferingAudioSource::getTotalLength()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a4e59a6b4cfcfb6e8afeea42c25379849">&sect;&nbsp;</a></span>isLooping()</h2>

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<p>Returns true if this source is actually playing in a loop. </p>

<p>Implemented in <a class="el" href="classAudioTransportSource.html#a610d354af3a8fcb975bfea23bbb97018">AudioTransportSource</a>, <a class="el" href="classBufferingAudioSource.html#ad5db3f567c5b68306f23fb3fed5367c0">BufferingAudioSource</a>, and <a class="el" href="classAudioFormatReaderSource.html#a63d3bcb837d97574acfac92c5e14d4cb">AudioFormatReaderSource</a>.</p>

<p>Referenced by <a class="el" href="classAudioTransportSource.html#a723be769b44f4334b947e3568e2b2d4a">AudioTransportSource::getGain()</a>, and <a class="el" href="classBufferingAudioSource.html#ad5db3f567c5b68306f23fb3fed5367c0">BufferingAudioSource::isLooping()</a>.</p>

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<h2 class="memtitle"><span class="permalink"><a href="#a8fba6ce7ef75cfc66c3176a37cda3ba9">&sect;&nbsp;</a></span>setLooping()</h2>

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          <td class="memname">virtual void PositionableAudioSource::setLooping </td>
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          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>shouldLoop</em></td><td>)</td>
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<p>Tells the source whether you'd like it to play in a loop. </p>

<p>Reimplemented in <a class="el" href="classAudioFormatReaderSource.html#a15d8af211ce8cfcbc0c4aaac143b303e">AudioFormatReaderSource</a>.</p>

<p>References <a class="el" href="juce__MathsFunctions_8h.html#a07a40f89c351c7e7a7f98a62beaa1e4a">ignoreUnused()</a>.</p>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="juce__PositionableAudioSource_8h.html">juce_PositionableAudioSource.h</a></li>
</ul>
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