arduino-audio-tools/classaudio__tools_1_1_buffered_task_stream.html

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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_buffered_task_stream.html">BufferedTaskStream</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a> &#124;
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<div class="title">BufferedTaskStream Class Reference</div> </div>
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<p>A FreeRTOS task is filling the buffer from the indicated stream. Only to be used on the ESP32.
<a href="classaudio__tools_1_1_buffered_task_stream.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="_u_r_l_stream_buffered_8h_source.html">URLStreamBuffered.h</a>&gt;</code></p>
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Inheritance diagram for BufferedTaskStream:</div>
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<img src="classaudio__tools_1_1_buffered_task_stream.png" usemap="#BufferedTaskStream_map" alt=""/>
<map id="BufferedTaskStream_map" name="BufferedTaskStream_map">
<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="136,168,262,192"/>
<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="0,112,126,136"/>
<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="136,112,262,136"/>
<area href="classaudio__tools_1_1_audio_info_source.html" title="Supports the subscription to audio change notifications." alt="AudioInfoSource" shape="rect" coords="272,112,398,136"/>
<area href="classaudio__tools_1_1_stream.html" alt="Stream" shape="rect" coords="0,56,126,80"/>
<area href="classaudio__tools_1_1_print.html" alt="Print" shape="rect" coords="0,0,126,24"/>
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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:a266f4b17f8f3efa6032f9556f26fe930"><td class="memItemLeft" align="right" valign="top"><a id="a266f4b17f8f3efa6032f9556f26fe930"></a>
&#160;</td><td class="memItemRight" valign="bottom"><b>BufferedTaskStream</b> (<a class="el" href="classaudio__tools_1_1_audio_stream.html">AudioStream</a> &amp;input)</td></tr>
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<tr class="memitem:a727a24459787e1eeeb7a37ba888394a6"><td class="memItemLeft" align="right" valign="top"><a id="a727a24459787e1eeeb7a37ba888394a6"></a>
virtual void&#160;</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> &amp;bi)</td></tr>
<tr class="memdesc:a727a24459787e1eeeb7a37ba888394a6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Adds target to be notified about audio changes. <br /></td></tr>
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virtual <a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_stream.html#aececda97cff151859a8695d30896dd20">audioInfo</a> () override</td></tr>
<tr class="memdesc:aececda97cff151859a8695d30896dd20"><td class="mdescLeft">&#160;</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="memitem:a1c77cb3dbe910c765ea439d103bdcbb9"><td class="memItemLeft" align="right" valign="top"><a id="a1c77cb3dbe910c765ea439d103bdcbb9"></a>
virtual <a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_support.html#a1c77cb3dbe910c765ea439d103bdcbb9">audioInfoOut</a> ()</td></tr>
<tr class="memdesc:a1c77cb3dbe910c765ea439d103bdcbb9"><td class="mdescLeft">&#160;</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_info_support.html#ae0d5f156b0564368220fa8d328db3880" title="provides the actual input AudioInfo">audioInfo()</a> unless we use a transforming stream <br /></td></tr>
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<tr class="memitem:afbb59a2f946191d7cf2a5c0a00b29ec2"><td class="memItemLeft" align="right" valign="top"><a id="afbb59a2f946191d7cf2a5c0a00b29ec2"></a>
virtual int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#afbb59a2f946191d7cf2a5c0a00b29ec2">available</a> () override</td></tr>
<tr class="memdesc:afbb59a2f946191d7cf2a5c0a00b29ec2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the available bytes in the buffer: to be avoided. <br /></td></tr>
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virtual int&#160;</td><td class="memItemRight" valign="bottom"><b>availableForWrite</b> () override</td></tr>
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virtual bool&#160;</td><td class="memItemRight" valign="bottom"><b>begin</b> ()</td></tr>
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virtual void&#160;</td><td class="memItemRight" valign="bottom"><b>begin</b> (bool wait=true)</td></tr>
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virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#affd15675a5e391c34cccefa7181354bb">clearNotifyAudioChange</a> ()</td></tr>
<tr class="memdesc:affd15675a5e391c34cccefa7181354bb"><td class="mdescLeft">&#160;</td><td class="mdescRight">Deletes all change notify subscriptions. <br /></td></tr>
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virtual void&#160;</td><td class="memItemRight" valign="bottom"><b>end</b> ()</td></tr>
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virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#af654b48544c195ab99fe27e7bc3ed5fe">flush</a> () override</td></tr>
<tr class="memdesc:af654b48544c195ab99fe27e7bc3ed5fe"><td class="mdescLeft">&#160;</td><td class="mdescRight">empties the buffer <br /></td></tr>
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<tr class="memitem:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="memItemLeft" align="right" valign="top"><a id="a475bc9908ea8a1d67e5cc1c1f67a71b2"></a>
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_info_source.html#a475bc9908ea8a1d67e5cc1c1f67a71b2">isNotifyActive</a> ()</td></tr>
<tr class="memdesc:a475bc9908ea8a1d67e5cc1c1f67a71b2"><td class="mdescLeft">&#160;</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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virtual&#160;</td><td class="memItemRight" valign="bottom"><b>operator bool</b> ()</td></tr>
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<tr class="memitem:a9bb6daa18ee5d207a6f2e1899eaadcf3"><td class="memItemLeft" align="right" valign="top"><a id="a9bb6daa18ee5d207a6f2e1899eaadcf3"></a>
virtual int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#a9bb6daa18ee5d207a6f2e1899eaadcf3">peek</a> () override</td></tr>
<tr class="memdesc:a9bb6daa18ee5d207a6f2e1899eaadcf3"><td class="mdescLeft">&#160;</td><td class="mdescRight">peeks a byte - to be avoided <br /></td></tr>
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<tr class="memitem:a31e8f8111a9c57b7a2be72337ab07e0e"><td class="memItemLeft" align="right" valign="top"><a id="a31e8f8111a9c57b7a2be72337ab07e0e"></a>
virtual int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#a31e8f8111a9c57b7a2be72337ab07e0e">read</a> () override</td></tr>
<tr class="memdesc:a31e8f8111a9c57b7a2be72337ab07e0e"><td class="mdescLeft">&#160;</td><td class="mdescRight">reads a byte - to be avoided <br /></td></tr>
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<tr class="memitem:a6406b16cb31ad79201459cb48b1ad6f0"><td class="memItemLeft" align="right" valign="top"><a id="a6406b16cb31ad79201459cb48b1ad6f0"></a>
virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#a6406b16cb31ad79201459cb48b1ad6f0">readBytes</a> (uint8_t *data, size_t len) override</td></tr>
<tr class="memdesc:a6406b16cb31ad79201459cb48b1ad6f0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Use this method !! <br /></td></tr>
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virtual size_t&#160;</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>
<tr class="memdesc:a36e26f40121eda38b0042dcba026ab82"><td class="mdescLeft">&#160;</td><td class="mdescRight">Source to generate silence: just sets the buffer to 0. <br /></td></tr>
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virtual bool&#160;</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> &amp;bi)</td></tr>
<tr class="memdesc:aa5b1cdb06807ff2dc37acbaff63410b9"><td class="mdescLeft">&#160;</td><td class="mdescRight">Removes a target in order not to be notified about audio changes. <br /></td></tr>
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virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_audio_stream.html#acbaca7240bc555603b0da5b7ca11ce10">setAudioInfo</a> (<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a> newInfo) override</td></tr>
<tr class="memdesc:acbaca7240bc555603b0da5b7ca11ce10"><td class="mdescLeft">&#160;</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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virtual void&#160;</td><td class="memItemRight" valign="bottom"><b>setInput</b> (<a class="el" href="classaudio__tools_1_1_audio_stream.html">AudioStream</a> &amp;input)</td></tr>
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void&#160;</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>
<tr class="memdesc:a909f118906f9cf7024baae224dcd90a7"><td class="mdescLeft">&#160;</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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virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#a016bb39af201e717c1975551b7ecc1b3">write</a> (const uint8_t *data, size_t len) override</td></tr>
<tr class="memdesc:a016bb39af201e717c1975551b7ecc1b3"><td class="mdescLeft">&#160;</td><td class="mdescRight">Use this method: write an array. <br /></td></tr>
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<tr class="memitem:aaf33c44b7e9ab693bc5e2f5f501f4747"><td class="memItemLeft" align="right" valign="top"><a id="aaf33c44b7e9ab693bc5e2f5f501f4747"></a>
virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classaudio__tools_1_1_buffered_task_stream.html#aaf33c44b7e9ab693bc5e2f5f501f4747">write</a> (uint8_t c) override</td></tr>
<tr class="memdesc:aaf33c44b7e9ab693bc5e2f5f501f4747"><td class="mdescLeft">&#160;</td><td class="mdescRight">writes a byte to the buffer <br /></td></tr>
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<tr class="memitem:ad89418aeb557f65a8f1a0aed755633b1"><td class="memItemLeft" align="right" valign="top"><a id="ad89418aeb557f65a8f1a0aed755633b1"></a>
virtual void&#160;</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>
<tr class="memdesc:ad89418aeb557f65a8f1a0aed755633b1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Writes len bytes of silence (=0). <br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
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virtual int&#160;</td><td class="memItemRight" valign="bottom"><b>not_supported</b> (int out, const char *msg=&quot;&quot;)</td></tr>
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void&#160;</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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void&#160;</td><td class="memItemRight" valign="bottom"><b>processTask</b> ()</td></tr>
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void&#160;</td><td class="memItemRight" valign="bottom"><b>refillReadBuffer</b> ()</td></tr>
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Protected Attributes</h2></td></tr>
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int&#160;</td><td class="memItemRight" valign="bottom"><b>_timeout</b> = 10</td></tr>
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bool&#160;</td><td class="memItemRight" valign="bottom"><b>active</b> = false</td></tr>
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<tr class="memitem:abe3955ff0cbc3a3cafaf450a49162c54"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classaudio__tools_1_1_synchronized_n_buffer.html">SynchronizedNBuffer</a>&lt; uint8_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>buffers</b></td></tr>
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<a class="el" href="structaudio__tools_1_1_audio_info.html">AudioInfo</a>&#160;</td><td class="memItemRight" valign="bottom"><b>info</b></td></tr>
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bool&#160;</td><td class="memItemRight" valign="bottom"><b>is_notify_active</b> = true</td></tr>
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<a class="el" href="classaudio__tools_1_1_vector.html">Vector</a>&lt; <a class="el" href="classaudio__tools_1_1_audio_info_support.html">AudioInfoSupport</a> * &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>notify_vector</b></td></tr>
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<a class="el" href="classaudio__tools_1_1_audio_stream.html">AudioStream</a> *&#160;</td><td class="memItemRight" valign="bottom"><b>p_stream</b> = nullptr</td></tr>
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bool&#160;</td><td class="memItemRight" valign="bottom"><b>ready</b> = false</td></tr>
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<tr class="memitem:a8bcc572b9d73774627be66dd46aa61a8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classaudio__tools_1_1_task.html">Task</a>&#160;</td><td class="memItemRight" valign="bottom"><b>task</b></td></tr>
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<a class="el" href="classaudio__tools_1_1_ring_buffer.html">RingBuffer</a>&lt; uint8_t &gt;&#160;</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>&lt; uint8_t &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>tmp_out</b> {0}</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A FreeRTOS task is filling the buffer from the indicated stream. Only to be used on the ESP32. </p>
<dl class="section author"><dt>Author</dt><dd>Phil Schatzmann </dd></dl>
<dl class="section copyright"><dt>Copyright</dt><dd>GPLv3 </dd></dl>
</div><h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#abe3955ff0cbc3a3cafaf450a49162c54">&#9670;&nbsp;</a></span>buffers</h2>
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<td class="memname"><a class="el" href="classaudio__tools_1_1_synchronized_n_buffer.html">SynchronizedNBuffer</a>&lt;uint8_t&gt; buffers</td>
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<span class="mlabels"><span class="mlabel">protected</span></span> </td>
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<b>Initial value:</b><div class="fragment"><div class="line">{DEFAULT_BUFFER_SIZE,</div>
<div class="line"> 10 }</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a8bcc572b9d73774627be66dd46aa61a8">&#9670;&nbsp;</a></span>task</h2>
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<td class="memname"><a class="el" href="classaudio__tools_1_1_task.html">Task</a> task</td>
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<b>Initial value:</b><div class="fragment"><div class="line">{<span class="stringliteral">&quot;BufferedTaskStream&quot;</span>, 30000 , 2 ,</div>
<div class="line"> 0 }</div>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>src/AudioHttp/<a class="el" href="_u_r_l_stream_buffered_8h_source.html">URLStreamBuffered.h</a></li>
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