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<li class="navelem"><a class="el" href="namespaceaudio__tools.html">audio_tools</a></li><li class="navelem"><a class="el" href="classaudio__tools_1_1_resample_stream.html">ResampleStream</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
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<a href="#pro-methods">Protected Member Functions</a> |
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<a href="#pro-attribs">Protected Attributes</a> |
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<a href="classaudio__tools_1_1_resample_stream-members.html">List of all members</a> </div>
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<div class="headertitle">
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<div class="title">ResampleStream Class Reference<div class="ingroups"><a class="el" href="group__main.html">Arduino Audio Tools</a> » <a class="el" href="group__transform.html">Converting Streams</a></div></div> </div>
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<p>Dynamic Resampling. We can use a variable factor to speed up or slow down the playback.
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<a href="classaudio__tools_1_1_resample_stream.html#details">More...</a></p>
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<p><code>#include <<a class="el" href="_resample_stream_8h_source.html">ResampleStream.h</a>></code></p>
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Inheritance diagram for ResampleStream:</div>
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<map id="ResampleStream_map" name="ResampleStream_map">
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<area href="classaudio__tools_1_1_reformat_base_stream.html" title="Base class for chained converting streams." alt="ReformatBaseStream" shape="rect" coords="139,280,268,304"/>
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<area href="classaudio__tools_1_1_audio_stream.html" title="Base class for all Audio Streams. It support the boolean operator to test if the object is ready with..." alt="AudioStream" shape="rect" coords="139,168,268,192"/>
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<area href="classaudio__tools_1_1_base_stream.html" title="Base class for all Streams. It relies on write(const uint8_t *buffer, size_t size) and readBytes(uint..." alt="BaseStream" shape="rect" coords="0,112,129,136"/>
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<area href="classaudio__tools_1_1_audio_info_support.html" title="Supports changes to the sampling rate, bits and channels." alt="AudioInfoSupport" shape="rect" coords="139,112,268,136"/>
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<area href="classaudio__tools_1_1_audio_info_source.html" title="Supports the subscription to audio change notifications." alt="AudioInfoSource" shape="rect" coords="278,112,407,136"/>
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<area href="classaudio__tools_1_1_stream.html" alt="Stream" shape="rect" coords="0,56,129,80"/>
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</map>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
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Public Member Functions</h2></td></tr>
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<tr class="memitem:a507e0f61ae0d0993db16e47563358bf2"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a507e0f61ae0d0993db16e47563358bf2">ResampleStream</a> (<a class="el" href="classaudio__tools_1_1_audio_output.html">AudioOutput</a> &out)</td></tr>
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<tr class="separator:a507e0f61ae0d0993db16e47563358bf2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af68d567deb61ebb2452d61b9e1beed8e"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#af68d567deb61ebb2452d61b9e1beed8e">ResampleStream</a> (<a class="el" href="classaudio__tools_1_1_audio_stream.html">AudioStream</a> &io)</td></tr>
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<tr class="separator:af68d567deb61ebb2452d61b9e1beed8e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a4086fb1a96a79787cd34d990af19f0a3"><td class="memItemLeft" align="right" valign="top"><a id="a4086fb1a96a79787cd34d990af19f0a3"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a4086fb1a96a79787cd34d990af19f0a3">ResampleStream</a> (<a class="el" href="classaudio__tools_1_1_print.html">Print</a> &out)</td></tr>
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<tr class="memdesc:a4086fb1a96a79787cd34d990af19f0a3"><td class="mdescLeft"> </td><td class="mdescRight">Support for resampling via write. <br /></td></tr>
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<tr class="separator:a4086fb1a96a79787cd34d990af19f0a3"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aea051bc9a6fb01ba6d7706d12305045d"><td class="memItemLeft" align="right" valign="top"><a id="aea051bc9a6fb01ba6d7706d12305045d"></a>
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 </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#aea051bc9a6fb01ba6d7706d12305045d">ResampleStream</a> (<a class="el" href="classaudio__tools_1_1_stream.html">Stream</a> &io)</td></tr>
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<tr class="memdesc:aea051bc9a6fb01ba6d7706d12305045d"><td class="mdescLeft"> </td><td class="mdescRight">Support for resampling via write and read. <br /></td></tr>
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<tr class="separator:aea051bc9a6fb01ba6d7706d12305045d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a727a24459787e1eeeb7a37ba888394a6"><td class="memItemLeft" align="right" valign="top"><a id="a727a24459787e1eeeb7a37ba888394a6"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a727a24459787e1eeeb7a37ba888394a6">addNotifyAudioChange</a> (<a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> &bi)</td></tr>
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<tr class="memdesc:a727a24459787e1eeeb7a37ba888394a6"><td class="mdescLeft"> </td><td class="mdescRight">Adds target to be notified about audio changes. <br /></td></tr>
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<tr class="separator:a727a24459787e1eeeb7a37ba888394a6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aececda97cff151859a8695d30896dd20"><td class="memItemLeft" align="right" valign="top"><a id="aececda97cff151859a8695d30896dd20"></a>
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virtual <a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_stream.html#aececda97cff151859a8695d30896dd20">audioInfo</a> () override</td></tr>
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<tr class="memdesc:aececda97cff151859a8695d30896dd20"><td class="mdescLeft"> </td><td class="mdescRight">provides the actual input <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a> <br /></td></tr>
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<tr class="separator:aececda97cff151859a8695d30896dd20"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ab5af4066a6ef92716fc14eaf50926f72"><td class="memItemLeft" align="right" valign="top"><a id="ab5af4066a6ef92716fc14eaf50926f72"></a>
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<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#ab5af4066a6ef92716fc14eaf50926f72">audioInfoOut</a> () override</td></tr>
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<tr class="memdesc:ab5af4066a6ef92716fc14eaf50926f72"><td class="mdescLeft"> </td><td class="mdescRight">provides the actual output <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a>: this is usually the same as <a class="el" href="classaudio__tools_1_1_audio_stream.html#aececda97cff151859a8695d30896dd20" title="provides the actual input AudioInfo">audioInfo()</a> unless we use a transforming stream <br /></td></tr>
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<tr class="memitem:a692e2b18b3c2452e38e3f558ad87e9a5"><td class="memItemLeft" align="right" valign="top"><a id="a692e2b18b3c2452e38e3f558ad87e9a5"></a>
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int </td><td class="memItemRight" valign="bottom"><b>available</b> () override</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>availableForWrite</b> () override</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>begin</b> () override</td></tr>
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<tr class="memitem:a375b915c8b49251f7246c9293f68969b"><td class="memItemLeft" align="right" valign="top"><a id="a375b915c8b49251f7246c9293f68969b"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> from, <a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> to)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> from, int toRate)</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> from, sample_rate_t toRate)</td></tr>
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virtual bool </td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> info)</td></tr>
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<tr class="memitem:a22ffcf2c191e3d86d8570970badad978"><td class="memItemLeft" align="right" valign="top"><a id="a22ffcf2c191e3d86d8570970badad978"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> info, float step)</td></tr>
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<tr class="memitem:a8f0c7d24d4e9b452731992e74008686c"><td class="memItemLeft" align="right" valign="top"><a id="a8f0c7d24d4e9b452731992e74008686c"></a>
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bool </td><td class="memItemRight" valign="bottom"><b>begin</b> (<a class="el" href="structaudio__tools_1_1_resample_config.html">ResampleConfig</a> cfg)</td></tr>
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<tr class="memitem:affd15675a5e391c34cccefa7181354bb"><td class="memItemLeft" align="right" valign="top"><a id="affd15675a5e391c34cccefa7181354bb"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#affd15675a5e391c34cccefa7181354bb">clearNotifyAudioChange</a> ()</td></tr>
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<tr class="memdesc:affd15675a5e391c34cccefa7181354bb"><td class="mdescLeft"> </td><td class="mdescRight">Deletes all change notify subscriptions. <br /></td></tr>
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<tr class="memitem:af52118d79bafb3eefdd7e6138f15b9e7"><td class="memItemLeft" align="right" valign="top"><a id="af52118d79bafb3eefdd7e6138f15b9e7"></a>
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<a class="el" href="structaudio__tools_1_1_resample_config.html">ResampleConfig</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#af52118d79bafb3eefdd7e6138f15b9e7">defaultConfig</a> ()</td></tr>
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<tr class="memdesc:af52118d79bafb3eefdd7e6138f15b9e7"><td class="mdescLeft"> </td><td class="mdescRight">Provides the default configuraiton. <br /></td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>end</b> () override</td></tr>
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<tr class="memitem:adac116554b543b7c4228c018a85882f5"><td class="memItemLeft" align="right" valign="top"><a id="adac116554b543b7c4228c018a85882f5"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#adac116554b543b7c4228c018a85882f5">flush</a> ()</td></tr>
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<tr class="memdesc:adac116554b543b7c4228c018a85882f5"><td class="mdescLeft"> </td><td class="mdescRight">When buffering is active, writes the buffered audio to the output. <br /></td></tr>
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float </td><td class="memItemRight" valign="bottom"><b>getByteFactor</b> ()</td></tr>
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virtual <a class="el" href="classaudio__tools_1_1_print.html">Print</a> * </td><td class="memItemRight" valign="bottom"><b>getPrint</b> ()</td></tr>
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float </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#ab49cc7c5e84baee6171477076ad7284a">getStepSize</a> ()</td></tr>
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<tr class="memdesc:ab49cc7c5e84baee6171477076ad7284a"><td class="mdescLeft"> </td><td class="mdescRight">Returns the actual step size. <br /></td></tr>
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<tr class="memitem:a3ab0b6134d712c7733c4cf91d9bf45b8"><td class="memItemLeft" align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a3ab0b6134d712c7733c4cf91d9bf45b8">getStepSize</a> (float sampleRateFrom, float sampleRateTo)</td></tr>
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<tr class="memitem:a190ffdf693e3bb63f5a9f560ba0f3bf9"><td class="memItemLeft" align="right" valign="top"><a id="a190ffdf693e3bb63f5a9f560ba0f3bf9"></a>
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virtual <a class="el" href="classaudio__tools_1_1_stream.html">Stream</a> * </td><td class="memItemRight" valign="bottom"><b>getStream</b> ()</td></tr>
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<tr class="memitem:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="memItemLeft" align="right" valign="top"><a id="a475bc9908ea8a1d67e5cc1c1f67a71b2"></a>
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bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a475bc9908ea8a1d67e5cc1c1f67a71b2">isNotifyActive</a> ()</td></tr>
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<tr class="memdesc:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="mdescLeft"> </td><td class="mdescRight">Checks if the automatic <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a> update is active. <br /></td></tr>
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<tr class="separator:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0d52c0ed98e047d782054fa126b281e5"><td class="memItemLeft" align="right" valign="top"><a id="a0d52c0ed98e047d782054fa126b281e5"></a>
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virtual </td><td class="memItemRight" valign="bottom"><b>operator bool</b> ()</td></tr>
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<tr class="memitem:a4c5c6275ddee80eb02839356b6185c0b"><td class="memItemLeft" align="right" valign="top"><a id="a4c5c6275ddee80eb02839356b6185c0b"></a>
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size_t </td><td class="memItemRight" valign="bottom"><b>readBytes</b> (uint8_t *data, size_t len) override</td></tr>
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<tr class="separator:a4c5c6275ddee80eb02839356b6185c0b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a36e26f40121eda38b0042dcba026ab82"><td class="memItemLeft" align="right" valign="top"><a id="a36e26f40121eda38b0042dcba026ab82"></a>
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virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_stream.html#a36e26f40121eda38b0042dcba026ab82">readSilence</a> (uint8_t *buffer, size_t length)</td></tr>
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<tr class="memdesc:a36e26f40121eda38b0042dcba026ab82"><td class="mdescLeft"> </td><td class="mdescRight">Source to generate silence: just sets the buffer to 0. <br /></td></tr>
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<tr class="memitem:aa5b1cdb06807ff2dc37acbaff63410b9"><td class="memItemLeft" align="right" valign="top"><a id="aa5b1cdb06807ff2dc37acbaff63410b9"></a>
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virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#aa5b1cdb06807ff2dc37acbaff63410b9">removeNotifyAudioChange</a> (<a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> &bi)</td></tr>
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<tr class="memdesc:aa5b1cdb06807ff2dc37acbaff63410b9"><td class="mdescLeft"> </td><td class="mdescRight">Removes a target in order not to be notified about audio changes. <br /></td></tr>
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<tr class="memitem:a28865e64c1f2cedf61165b522d0ca2c7"><td class="memItemLeft" align="right" valign="top"><a id="a28865e64c1f2cedf61165b522d0ca2c7"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a28865e64c1f2cedf61165b522d0ca2c7">setAudioInfo</a> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> newInfo) override</td></tr>
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<tr class="memdesc:a28865e64c1f2cedf61165b522d0ca2c7"><td class="mdescLeft"> </td><td class="mdescRight">Defines the input <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a>. <br /></td></tr>
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<tr class="separator:a28865e64c1f2cedf61165b522d0ca2c7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5a08430ad7efc8359dfd18b010cbc63d"><td class="memItemLeft" align="right" valign="top"><a id="a5a08430ad7efc8359dfd18b010cbc63d"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a5a08430ad7efc8359dfd18b010cbc63d">setBuffered</a> (bool active)</td></tr>
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<tr class="memdesc:a5a08430ad7efc8359dfd18b010cbc63d"><td class="mdescLeft"> </td><td class="mdescRight">Activates buffering to avoid small incremental writes. <br /></td></tr>
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<tr class="memitem:a909f118906f9cf7024baae224dcd90a7"><td class="memItemLeft" align="right" valign="top"><a id="a909f118906f9cf7024baae224dcd90a7"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a909f118906f9cf7024baae224dcd90a7">setNotifyActive</a> (bool flag)</td></tr>
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<tr class="memdesc:a909f118906f9cf7024baae224dcd90a7"><td class="mdescLeft"> </td><td class="mdescRight">Deactivate/Reactivate automatic <a class="el" href="structaudio__tools_1_1_audio_info.html" title="Basic Audio information which drives e.g. I2S.">AudioInfo</a> updates: (default is active) <br /></td></tr>
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<tr class="memitem:a7b8352dd3e4a4107eee3a179e533e1d7"><td class="memItemLeft" align="right" valign="top"><a id="a7b8352dd3e4a4107eee3a179e533e1d7"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><b>setOutput</b> (<a class="el" href="classaudio__tools_1_1_audio_output.html">AudioOutput</a> &print)</td></tr>
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<tr class="memitem:a481a4d7687bb4a88536fd7ebe16fdc91"><td class="memItemLeft" align="right" valign="top"><a id="a481a4d7687bb4a88536fd7ebe16fdc91"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_reformat_base_stream.html#a481a4d7687bb4a88536fd7ebe16fdc91">setOutput</a> (<a class="el" href="classaudio__tools_1_1_print.html">Print</a> &print) override</td></tr>
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<tr class="memdesc:a481a4d7687bb4a88536fd7ebe16fdc91"><td class="mdescLeft"> </td><td class="mdescRight">Defines/Changes the output target. <br /></td></tr>
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<tr class="separator:a481a4d7687bb4a88536fd7ebe16fdc91"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7694bdde8707e5a9f92c36c905be2e56"><td class="memItemLeft" align="right" valign="top"><a id="a7694bdde8707e5a9f92c36c905be2e56"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a7694bdde8707e5a9f92c36c905be2e56">setStepSize</a> (float step)</td></tr>
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<tr class="memdesc:a7694bdde8707e5a9f92c36c905be2e56"><td class="mdescLeft"> </td><td class="mdescRight">influence the sample rate <br /></td></tr>
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<tr class="separator:a7694bdde8707e5a9f92c36c905be2e56"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a2a6dc3492cb5003a5e9bcedc0745edd6"><td class="memItemLeft" align="right" valign="top"><a id="a2a6dc3492cb5003a5e9bcedc0745edd6"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><b>setStream</b> (<a class="el" href="classaudio__tools_1_1_audio_stream.html">AudioStream</a> &stream)</td></tr>
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<tr class="separator:a2a6dc3492cb5003a5e9bcedc0745edd6"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a3175c90bb7d1186fc8eea5d5114a3766"><td class="memItemLeft" align="right" valign="top"><a id="a3175c90bb7d1186fc8eea5d5114a3766"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_reformat_base_stream.html#a3175c90bb7d1186fc8eea5d5114a3766">setStream</a> (<a class="el" href="classaudio__tools_1_1_stream.html">Stream</a> &stream) override</td></tr>
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<tr class="memdesc:a3175c90bb7d1186fc8eea5d5114a3766"><td class="mdescLeft"> </td><td class="mdescRight">Defines/Changes the input & output. <br /></td></tr>
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<tr class="separator:a3175c90bb7d1186fc8eea5d5114a3766"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a563dfbf3df132b62109d2ce25b09a74a"><td class="memItemLeft" align="right" valign="top"><a id="a563dfbf3df132b62109d2ce25b09a74a"></a>
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void </td><td class="memItemRight" valign="bottom"><b>setTargetSampleRate</b> (int rate)</td></tr>
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<tr class="separator:a563dfbf3df132b62109d2ce25b09a74a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a7597ef706dd1aa590903ce9e095db20a"><td class="memItemLeft" align="right" valign="top"><a id="a7597ef706dd1aa590903ce9e095db20a"></a>
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size_t </td><td class="memItemRight" valign="bottom"><b>write</b> (const uint8_t *data, size_t len) override</td></tr>
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<tr class="separator:a7597ef706dd1aa590903ce9e095db20a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adffba128cba62b029746648f6946945c"><td class="memItemLeft" align="right" valign="top"><a id="adffba128cba62b029746648f6946945c"></a>
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virtual size_t </td><td class="memItemRight" valign="bottom"><b>write</b> (uint8_t ch) override</td></tr>
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<tr class="separator:adffba128cba62b029746648f6946945c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad89418aeb557f65a8f1a0aed755633b1"><td class="memItemLeft" align="right" valign="top"><a id="ad89418aeb557f65a8f1a0aed755633b1"></a>
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virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_stream.html#ad89418aeb557f65a8f1a0aed755633b1">writeSilence</a> (size_t len)</td></tr>
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<tr class="memdesc:ad89418aeb557f65a8f1a0aed755633b1"><td class="mdescLeft"> </td><td class="mdescRight">Writes len bytes of silence (=0). <br /></td></tr>
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<tr class="separator:ad89418aeb557f65a8f1a0aed755633b1"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
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Protected Member Functions</h2></td></tr>
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<tr class="memitem:a19db610062b0771c616d6e31cddc5ddc"><td class="memItemLeft" align="right" valign="top"><a id="a19db610062b0771c616d6e31cddc5ddc"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_reformat_base_stream.html#a19db610062b0771c616d6e31cddc5ddc">addNotifyOnFirstWrite</a> ()</td></tr>
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<tr class="memdesc:a19db610062b0771c616d6e31cddc5ddc"><td class="mdescLeft"> </td><td class="mdescRight">Add notification on first call of write. <br /></td></tr>
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<tr class="separator:a19db610062b0771c616d6e31cddc5ddc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af670780acc7db5511153adf62a68a362"><td class="memTemplParams" colspan="2"><a id="af670780acc7db5511153adf62a68a362"></a>
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template<typename T > </td></tr>
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<tr class="memitem:af670780acc7db5511153adf62a68a362"><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#af670780acc7db5511153adf62a68a362">getValue</a> (T *data, float frame_idx, int channel)</td></tr>
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<tr class="memdesc:af670780acc7db5511153adf62a68a362"><td class="mdescLeft"> </td><td class="mdescRight">get the interpolated value for indicated (float) index value <br /></td></tr>
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<tr class="separator:af670780acc7db5511153adf62a68a362"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:af8662bc698751731ef239e89b395d5a7"><td class="memTemplParams" colspan="2"><a id="af8662bc698751731ef239e89b395d5a7"></a>
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template<typename T > </td></tr>
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<tr class="memitem:af8662bc698751731ef239e89b395d5a7"><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#af8662bc698751731ef239e89b395d5a7">lookup</a> (T *data, int frame, int channel)</td></tr>
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<tr class="memdesc:af8662bc698751731ef239e89b395d5a7"><td class="mdescLeft"> </td><td class="mdescRight">lookup value for indicated frame & channel: index starts with -1; <br /></td></tr>
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<tr class="separator:af8662bc698751731ef239e89b395d5a7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:afc00b141650b11fe19d4c7055d96a075"><td class="memItemLeft" align="right" valign="top"><a id="afc00b141650b11fe19d4c7055d96a075"></a>
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virtual int </td><td class="memItemRight" valign="bottom"><b>not_supported</b> (int out, const char *msg="")</td></tr>
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<tr class="separator:afc00b141650b11fe19d4c7055d96a075"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6a9a665a387a8c4fbf7fed14bbbfc093"><td class="memItemLeft" align="right" valign="top"><a id="a6a9a665a387a8c4fbf7fed14bbbfc093"></a>
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void </td><td class="memItemRight" valign="bottom"><b>notifyAudioChange</b> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> info)</td></tr>
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<tr class="separator:a6a9a665a387a8c4fbf7fed14bbbfc093"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a5caf99a24686511722c4c9f94c4ec52e"><td class="memItemLeft" align="right" valign="top"><a id="a5caf99a24686511722c4c9f94c4ec52e"></a>
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void </td><td class="memItemRight" valign="bottom"><b>refillReadBuffer</b> ()</td></tr>
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<tr class="separator:a5caf99a24686511722c4c9f94c4ec52e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a6040e2bfdadb06e8d62fafc03f7b3116"><td class="memItemLeft" align="right" valign="top"><a id="a6040e2bfdadb06e8d62fafc03f7b3116"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_reformat_base_stream.html#a6040e2bfdadb06e8d62fafc03f7b3116">setNotifyOnOutput</a> (<a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> &info)</td></tr>
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<tr class="memdesc:a6040e2bfdadb06e8d62fafc03f7b3116"><td class="mdescLeft"> </td><td class="mdescRight">Define potential notification. <br /></td></tr>
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<tr class="separator:a6040e2bfdadb06e8d62fafc03f7b3116"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ae80c7db53037e16c4654f123c8f19a93"><td class="memItemLeft" align="right" valign="top"><a id="ae80c7db53037e16c4654f123c8f19a93"></a>
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#ae80c7db53037e16c4654f123c8f19a93">setupLastSamples</a> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> cfg)</td></tr>
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<tr class="memdesc:ae80c7db53037e16c4654f123c8f19a93"><td class="mdescLeft"> </td><td class="mdescRight">Sets up the buffer for the rollover samples. <br /></td></tr>
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<tr class="separator:ae80c7db53037e16c4654f123c8f19a93"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ad51c00fbbc5e5e771b6b4a4da3e7075c"><td class="memTemplParams" colspan="2"><a id="ad51c00fbbc5e5e771b6b4a4da3e7075c"></a>
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template<typename T > </td></tr>
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<tr class="memitem:ad51c00fbbc5e5e771b6b4a4da3e7075c"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#ad51c00fbbc5e5e771b6b4a4da3e7075c">setupLastSamples</a> (T *data, int frame)</td></tr>
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<tr class="memdesc:ad51c00fbbc5e5e771b6b4a4da3e7075c"><td class="mdescLeft"> </td><td class="mdescRight">store last samples to provide values for index -1 <br /></td></tr>
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<tr class="separator:ad51c00fbbc5e5e771b6b4a4da3e7075c"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aec13de98d983457ab0c6986aa40abc8a"><td class="memItemLeft" align="right" valign="top"><a id="aec13de98d983457ab0c6986aa40abc8a"></a>
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void </td><td class="memItemRight" valign="bottom"><b>setupReader</b> ()</td></tr>
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<tr class="separator:aec13de98d983457ab0c6986aa40abc8a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:a0284c414da66b48385a66b676b2e2356"><td class="memTemplParams" colspan="2"><a id="a0284c414da66b48385a66b676b2e2356"></a>
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template<typename T > </td></tr>
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<tr class="memitem:a0284c414da66b48385a66b676b2e2356"><td class="memTemplItemLeft" align="right" valign="top">size_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_resample_stream.html#a0284c414da66b48385a66b676b2e2356">write</a> (<a class="el" href="classaudio__tools_1_1_print.html">Print</a> *p_out, const uint8_t *buffer, size_t bytes, size_t &written)</td></tr>
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<tr class="memdesc:a0284c414da66b48385a66b676b2e2356"><td class="mdescLeft"> </td><td class="mdescRight">Writes the buffer to defined output after resampling. <br /></td></tr>
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<tr class="separator:a0284c414da66b48385a66b676b2e2356"><td class="memSeparator" colspan="2"> </td></tr>
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</table><table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
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Protected Attributes</h2></td></tr>
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<tr class="memitem:aa66a35e5edf58ce00047afcd1d4f455e"><td class="memItemLeft" align="right" valign="top"><a id="aa66a35e5edf58ce00047afcd1d4f455e"></a>
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int </td><td class="memItemRight" valign="bottom"><b>_timeout</b> = 10</td></tr>
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<tr class="separator:aa66a35e5edf58ce00047afcd1d4f455e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aeff5997abcf0c88c9434923e2ffd032b"><td class="memItemLeft" align="right" valign="top"><a id="aeff5997abcf0c88c9434923e2ffd032b"></a>
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int </td><td class="memItemRight" valign="bottom"><b>bytes_per_frame</b> = 0</td></tr>
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<tr class="separator:aeff5997abcf0c88c9434923e2ffd032b"><td class="memSeparator" colspan="2"> </td></tr>
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float </td><td class="memItemRight" valign="bottom"><b>idx</b> = 0</td></tr>
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<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> </td><td class="memItemRight" valign="bottom"><b>info</b></td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>is_buffer_active</b> = USE_RESAMPLE_BUFFER</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>is_first</b> = true</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>is_notify_active</b> = true</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>is_output_notify</b> = false</td></tr>
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<a class="el" href="classaudio__tools_1_1_vector.html">Vector</a>< uint8_t > </td><td class="memItemRight" valign="bottom"><b>last_samples</b> {0}</td></tr>
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<a class="el" href="classaudio__tools_1_1_vector.html">Vector</a>< <a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> * > </td><td class="memItemRight" valign="bottom"><b>notify_vector</b></td></tr>
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<a class="el" href="classaudio__tools_1_1_single_buffer.html">SingleBuffer</a>< uint8_t > </td><td class="memItemRight" valign="bottom"><b>out_buffer</b> {0}</td></tr>
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<a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> * </td><td class="memItemRight" valign="bottom"><b>p_notify_on_output</b> = nullptr</td></tr>
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<a class="el" href="classaudio__tools_1_1_print.html">Print</a> * </td><td class="memItemRight" valign="bottom"><b>p_out</b> = nullptr</td></tr>
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<a class="el" href="classaudio__tools_1_1_print.html">Print</a> * </td><td class="memItemRight" valign="bottom"><b>p_print</b> = nullptr</td></tr>
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<a class="el" href="classaudio__tools_1_1_stream.html">Stream</a> * </td><td class="memItemRight" valign="bottom"><b>p_stream</b> = nullptr</td></tr>
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<a class="el" href="classaudio__tools_1_1_transformation_reader.html">TransformationReader</a>< <a class="el" href="classaudio__tools_1_1_reformat_base_stream.html">ReformatBaseStream</a> > </td><td class="memItemRight" valign="bottom"><b>reader</b></td></tr>
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float </td><td class="memItemRight" valign="bottom"><b>step_size</b> = 1.0</td></tr>
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<a class="el" href="classaudio__tools_1_1_ring_buffer.html">RingBuffer</a>< uint8_t > </td><td class="memItemRight" valign="bottom"><b>tmp_in</b> {0}</td></tr>
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<a class="el" href="classaudio__tools_1_1_ring_buffer.html">RingBuffer</a>< uint8_t > </td><td class="memItemRight" valign="bottom"><b>tmp_out</b> {0}</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>to_sample_rate</b> = 0</td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<div class="textblock"><p>Dynamic Resampling. We can use a variable factor to speed up or slow down the playback. </p>
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<dl class="section author"><dt>Author</dt><dd>Phil Schatzmann</dd></dl>
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<dl class="section copyright"><dt>Copyright</dt><dd>GPLv3 </dd></dl>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<table class="tparams">
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<tr><td class="paramname">T</td><td></td></tr>
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</table>
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</dd>
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</dl>
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</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<a id="a507e0f61ae0d0993db16e47563358bf2"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a507e0f61ae0d0993db16e47563358bf2">◆ </a></span>ResampleStream() <span class="overload">[1/2]</span></h2>
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<div class="memitem">
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<td class="memname"><a class="el" href="classaudio__tools_1_1_resample_stream.html">ResampleStream</a> </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classaudio__tools_1_1_audio_output.html">AudioOutput</a> & </td>
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<td class="paramname"><em>out</em></td><td>)</td>
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<td></td>
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</div><div class="memdoc">
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<p>Support for resampling via write. The audio information is copied from the io </p>
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</div>
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<a id="af68d567deb61ebb2452d61b9e1beed8e"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#af68d567deb61ebb2452d61b9e1beed8e">◆ </a></span>ResampleStream() <span class="overload">[2/2]</span></h2>
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<td class="memname"><a class="el" href="classaudio__tools_1_1_resample_stream.html">ResampleStream</a> </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="classaudio__tools_1_1_audio_stream.html">AudioStream</a> & </td>
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<td class="paramname"><em>io</em></td><td>)</td>
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<td></td>
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<p>Support for resampling via write and read. The audio information is copied from the io </p>
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</div>
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</div>
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<h2 class="groupheader">Member Function Documentation</h2>
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<a id="a3ab0b6134d712c7733c4cf91d9bf45b8"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a3ab0b6134d712c7733c4cf91d9bf45b8">◆ </a></span>getStepSize()</h2>
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<td class="memname">float getStepSize </td>
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<td>(</td>
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<td class="paramtype">float </td>
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<td class="paramname"><em>sampleRateFrom</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">float </td>
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<td class="paramname"><em>sampleRateTo</em> </td>
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<td>)</td>
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</div><div class="memdoc">
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<p>calculate the step size the sample rate: e.g. from 44200 to 22100 gives a step size of 2 in order to provide fewer samples </p>
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</div>
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</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
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<li>src/AudioTools/<a class="el" href="_resample_stream_8h_source.html">ResampleStream.h</a></li>
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</ul>
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