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classrespeaker_1_1BaseNode.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<title>librespeaker: respeaker::BaseNode Class Reference</title>
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<ul>
<li class="navelem"><a class="el" href="namespacerespeaker.html">respeaker</a></li><li class="navelem"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a></li> </ul>
</div>
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<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pro-methods">Protected Member Functions</a> |
<a href="#pro-attribs">Protected Attributes</a> |
<a href="classrespeaker_1_1BaseNode-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">respeaker::BaseNode Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
</div><!--header-->
<div class="contents">
<div class="dynheader">
Inheritance diagram for respeaker::BaseNode:</div>
<div class="dyncontent">
<div class="center">
<img src="classrespeaker_1_1BaseNode.png" usemap="#respeaker::BaseNode_map" alt=""/>
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<area href="classrespeaker_1_1AloopOutputNode.html" alt="respeaker::AloopOutputNode" shape="rect" coords="234,56,458,80"/>
<area href="classrespeaker_1_1AlsaCollectorNode.html" alt="respeaker::AlsaCollectorNode" shape="rect" coords="234,112,458,136"/>
<area href="classrespeaker_1_1FileCollectorNode.html" alt="respeaker::FileCollectorNode" shape="rect" coords="234,168,458,192"/>
<area href="classrespeaker_1_1HybridNode.html" alt="respeaker::HybridNode" shape="rect" coords="234,224,458,248"/>
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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:aa64e2eb930291b7763f6d18a8ef16e49"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aa64e2eb930291b7763f6d18a8ef16e49">GetId</a> ()</td></tr>
<tr class="separator:aa64e2eb930291b7763f6d18a8ef16e49"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a786258a66118b4681fe77124dfe87ea4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a786258a66118b4681fe77124dfe87ea4">Uplink</a> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *uplink_node)</td></tr>
<tr class="separator:a786258a66118b4681fe77124dfe87ea4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa8b902a4e5fdb9ebdb276bcb9546a53a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aa8b902a4e5fdb9ebdb276bcb9546a53a">RegisterDownlinkNode</a> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node)</td></tr>
<tr class="separator:aa8b902a4e5fdb9ebdb276bcb9546a53a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a54f95dc810c69f48af08e3f0770432de"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a54f95dc810c69f48af08e3f0770432de">GetNodeOutputParameter</a> ()</td></tr>
<tr class="separator:a54f95dc810c69f48af08e3f0770432de"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a1492da1aba5ad1c28e4824a0fdce2b"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a9a1492da1aba5ad1c28e4824a0fdce2b">RecursivelyStartThread</a> (<a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> *shared_data)</td></tr>
<tr class="separator:a9a1492da1aba5ad1c28e4824a0fdce2b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3b6a49ceda9ded7386bad53bff315458"><td class="memItemLeft" align="right" valign="top"><a id="a3b6a49ceda9ded7386bad53bff315458"></a>
bool </td><td class="memItemRight" valign="bottom"><b>RecursivelyJoinThread</b> ()</td></tr>
<tr class="separator:a3b6a49ceda9ded7386bad53bff315458"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a54a8341faa495ff1f5d0b3cf93ba34e7"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a54a8341faa495ff1f5d0b3cf93ba34e7">OnStartThread</a> ()=0</td></tr>
<tr class="separator:a54a8341faa495ff1f5d0b3cf93ba34e7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a82f301a825f6245864e5df280ffd2e80"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a82f301a825f6245864e5df280ffd2e80">FetchBlock</a> (bool &exit)</td></tr>
<tr class="separator:a82f301a825f6245864e5df280ffd2e80"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a58efcb38cbd0dc75a97060afb911e910"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a58efcb38cbd0dc75a97060afb911e910">ProcessBlock</a> (std::string block, bool &exit)=0</td></tr>
<tr class="separator:a58efcb38cbd0dc75a97060afb911e910"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a70a1aabbbe47c6f686239defb81d2ac5"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a70a1aabbbe47c6f686239defb81d2ac5">StoreBlock</a> (std::string block, bool &exit)</td></tr>
<tr class="separator:a70a1aabbbe47c6f686239defb81d2ac5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aed14c54e8a1bca55a384c23d13594613"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aed14c54e8a1bca55a384c23d13594613">OnJoinThread</a> ()=0</td></tr>
<tr class="separator:aed14c54e8a1bca55a384c23d13594613"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a79c8cb5ec6126776fe1b85c2864b5b62"><td class="memItemLeft" align="right" valign="top"><a id="a79c8cb5ec6126776fe1b85c2864b5b62"></a>
virtual void </td><td class="memItemRight" valign="bottom"><b>Pause</b> ()</td></tr>
<tr class="separator:a79c8cb5ec6126776fe1b85c2864b5b62"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa6c0b8d6e4583e1995a283f9072a0e01"><td class="memItemLeft" align="right" valign="top"><a id="aa6c0b8d6e4583e1995a283f9072a0e01"></a>
virtual void </td><td class="memItemRight" valign="bottom"><b>Resume</b> ()</td></tr>
<tr class="separator:aa6c0b8d6e4583e1995a283f9072a0e01"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a993ac61f2ca80601d6188d957bef7102"><td class="memItemLeft" align="right" valign="top"><a id="a993ac61f2ca80601d6188d957bef7102"></a>
std::mutex * </td><td class="memItemRight" valign="bottom"><b>GetDownlinkDataQueueMutex</b> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node_id=nullptr)</td></tr>
<tr class="separator:a993ac61f2ca80601d6188d957bef7102"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae332245863119fbd720fd642a3ca0410"><td class="memItemLeft" align="right" valign="top"><a id="ae332245863119fbd720fd642a3ca0410"></a>
std::condition_variable * </td><td class="memItemRight" valign="bottom"><b>GetDownlinkDataQueueConditionVar</b> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node_id=nullptr)</td></tr>
<tr class="separator:ae332245863119fbd720fd642a3ca0410"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4fbb35dc03773338d05cff433abadb6d"><td class="memItemLeft" align="right" valign="top"><a id="a4fbb35dc03773338d05cff433abadb6d"></a>
std::queue< std::string > & </td><td class="memItemRight" valign="bottom"><b>GetDownlinkDataQueue</b> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node_id=nullptr)</td></tr>
<tr class="separator:a4fbb35dc03773338d05cff433abadb6d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeb2d0e40fc228d2d6a7c714837cba496"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aeb2d0e40fc228d2d6a7c714837cba496">GetQueueDeepth</a> ()</td></tr>
<tr class="separator:aeb2d0e40fc228d2d6a7c714837cba496"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a72e3689fddd7f544d5027a7c7a6869ba"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a72e3689fddd7f544d5027a7c7a6869ba">BindToCore</a> (int core_index)</td></tr>
<tr class="separator:a72e3689fddd7f544d5027a7c7a6869ba"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a1f5f6f0655912b8eca7f2d285a3dcd"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a9a1f5f6f0655912b8eca7f2d285a3dcd">SetThreadPriority</a> (int priority)</td></tr>
<tr class="separator:a9a1f5f6f0655912b8eca7f2d285a3dcd"><td class="memSeparator" colspan="2"> </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:acde77c116f88c3643bc64964b5bf8c9c"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#acde77c116f88c3643bc64964b5bf8c9c">EnableQueueFlush</a> (bool enable)</td></tr>
<tr class="separator:acde77c116f88c3643bc64964b5bf8c9c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af19fcacd824cf2549e8770ab15a72805"><td class="memItemLeft" align="right" valign="top"><a id="af19fcacd824cf2549e8770ab15a72805"></a>
void </td><td class="memItemRight" valign="bottom"><b>_Interleave</b> (const int16_t *const *deinterleaved, size_t num_frames, size_t num_channels, int16_t *interleaved)</td></tr>
<tr class="separator:af19fcacd824cf2549e8770ab15a72805"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abb276fd97a41540d79bbe7fe5af2eccb"><td class="memItemLeft" align="right" valign="top"><a id="abb276fd97a41540d79bbe7fe5af2eccb"></a>
void </td><td class="memItemRight" valign="bottom"><b>_Deinterleave</b> (const int16_t *interleaved, size_t num_frames, size_t num_channels, int16_t *const *deinterleaved)</td></tr>
<tr class="separator:abb276fd97a41540d79bbe7fe5af2eccb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a868a8ce8342fd762d6f9bd2d66d8039b"><td class="memItemLeft" align="right" valign="top"><a id="a868a8ce8342fd762d6f9bd2d66d8039b"></a>
void </td><td class="memItemRight" valign="bottom"><b>_Deinterleave</b> (const float *interleaved, size_t num_frames, size_t num_channels, float *const *deinterleaved)</td></tr>
<tr class="separator:a868a8ce8342fd762d6f9bd2d66d8039b"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr class="memitem:acbc797af16d1d2b2ee3a4677cbdbfd52"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#acbc797af16d1d2b2ee3a4677cbdbfd52">_uplink_node</a> = nullptr</td></tr>
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<tr class="memitem:ada26f5cc0c9a649f3d98c7b829426c4b"><td class="memItemLeft" align="right" valign="top">std::list< <a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#ada26f5cc0c9a649f3d98c7b829426c4b">_list_downlink_nodes</a></td></tr>
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<a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a> </td><td class="memItemRight" valign="bottom"><b>_input_parameter</b></td></tr>
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<a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a> </td><td class="memItemRight" valign="bottom"><b>_output_parameter</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_system_check</b> = 0</td></tr>
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<a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> * </td><td class="memItemRight" valign="bottom"><b>_chain_shared_data</b> = nullptr</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>_is_head</b> = false</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>_is_tail</b> = false</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>_is_interleaved_after_process</b> = false</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_num_frames_for_store_block</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_channels_for_store_block</b></td></tr>
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int16_t * </td><td class="memItemRight" valign="bottom"><b>_buffer_for_store_block</b></td></tr>
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std::unique_ptr< int16_t *[]> </td><td class="memItemRight" valign="bottom"><b>_channels_ptr</b></td></tr>
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<h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a72e3689fddd7f544d5027a7c7a6869ba">◆ </a></span>BindToCore()</h2>
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<td class="memname">bool respeaker::BaseNode::BindToCore </td>
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<p>Bind the thread to a specified CPU core. Must be callbed before <code>RecursivelyStartThread</code>. Don't touch this method unless you know what's happening. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acde77c116f88c3643bc64964b5bf8c9c">◆ </a></span>EnableQueueFlush()</h2>
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<td class="memname">void respeaker::BaseNode::EnableQueueFlush </td>
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<p>Enable or disable flush the output queue. This method can only be callbed in <code>ProcessBlock</code>. If the deepth of queue gets crazy big, this is a disaster, we need to flush the queue anyway to avoid the chain entering unstable. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a82f301a825f6245864e5df280ffd2e80">◆ </a></span>FetchBlock()</h2>
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<td class="memname">virtual std::string respeaker::BaseNode::FetchBlock </td>
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<p>The head node must override this method, to do real audio data fetching</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">exit</td><td>[out] - The exit flag of the <a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> is set, the thread should join now.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>std::string </dd></dl>
<p>Reimplemented in <a class="el" href="classrespeaker_1_1HybridNode.html#a036abb34325ffacb2db8de7d11c08082">respeaker::HybridNode</a>, <a class="el" href="classrespeaker_1_1PulseCollectorNode.html#aa0a9a9cad60dc06a68f758a2a5601495">respeaker::PulseCollectorNode</a>, <a class="el" href="classrespeaker_1_1AloopOutputNode.html#a8282242145ee5dfb676f6e5ce8de73de">respeaker::AloopOutputNode</a>, <a class="el" href="classrespeaker_1_1AlsaCollectorNode.html#addb077db10036eb30ef3d024f2e16dab">respeaker::AlsaCollectorNode</a>, and <a class="el" href="classrespeaker_1_1FileCollectorNode.html#a3cfd8d18a6da06cd258c176bc27350af">respeaker::FileCollectorNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa64e2eb930291b7763f6d18a8ef16e49">◆ </a></span>GetId()</h2>
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<td class="memname"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a>* respeaker::BaseNode::GetId </td>
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<p>Get the unique ID of a node </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a54f95dc810c69f48af08e3f0770432de">◆ </a></span>GetNodeOutputParameter()</h2>
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<td class="memname"><a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a>& respeaker::BaseNode::GetNodeOutputParameter </td>
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<p>Get the output paramenter of this node.</p>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a>& - The NodeParamenter struct. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aeb2d0e40fc228d2d6a7c714837cba496">◆ </a></span>GetQueueDeepth()</h2>
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<td class="memname">int respeaker::BaseNode::GetQueueDeepth </td>
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<p>Get the average deepth of the output queues. This is supposed to be a debugging method, to see the load of chain. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aed14c54e8a1bca55a384c23d13594613">◆ </a></span>OnJoinThread()</h2>
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<td class="memname">virtual bool respeaker::BaseNode::OnJoinThread </td>
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<p>Do per node cleanup in this method. </p>
<p>Implemented in <a class="el" href="classrespeaker_1_1Snowboy1bDoaKwsNode.html#abc1e6a4d72ed1f22c5e8ec7693462c84">respeaker::Snowboy1bDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnowboyMbDoaKwsNode.html#a5ece99540ece0c382d603c7ffdcc643b">respeaker::SnowboyMbDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnowboyManKwsNode.html#aaecfcc40accde71c5a052208bd297de3">respeaker::SnowboyManKwsNode</a>, <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a8d307aeeac55b7ddf1fda17a5727ee9f">respeaker::Snips1bDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnipsManBeamKwsNode.html#a47c5de26d01ad03b26d9c525e5e2a4af">respeaker::SnipsManBeamKwsNode</a>, <a class="el" href="classrespeaker_1_1HybridNode.html#af7a974f0d64e75ab7434932b7ccfac00">respeaker::HybridNode</a>, <a class="el" href="classrespeaker_1_1PulseCollectorNode.html#a70cbb5d117199585abe37a81d8d1201d">respeaker::PulseCollectorNode</a>, <a class="el" href="classrespeaker_1_1VepAecBeamformingNode.html#ae506539569ff916c8ba6b3a84e2b3097">respeaker::VepAecBeamformingNode</a>, <a class="el" href="classrespeaker_1_1AloopOutputNode.html#a5346cd29cb641f74b6e9a38d723e77fc">respeaker::AloopOutputNode</a>, <a class="el" href="classrespeaker_1_1AlsaCollectorNode.html#a42f3b0e5c348673a8d6040a42506e5a8">respeaker::AlsaCollectorNode</a>, <a class="el" href="classrespeaker_1_1FileCollectorNode.html#a66c1608adeed13ce599293e9aa8d2e75">respeaker::FileCollectorNode</a>, and <a class="el" href="classrespeaker_1_1SelectorNode.html#a94d93b567e117962fb9aa435c3e55dca">respeaker::SelectorNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a54a8341faa495ff1f5d0b3cf93ba34e7">◆ </a></span>OnStartThread()</h2>
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<td class="memname">virtual bool respeaker::BaseNode::OnStartThread </td>
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<p>The derived node must configure the output parameter in this method </p>
<p>Implemented in <a class="el" href="classrespeaker_1_1Snowboy1bDoaKwsNode.html#ac32710b0e290b62e31d14e4b7948aabb">respeaker::Snowboy1bDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnowboyMbDoaKwsNode.html#aacb7106ab3ccde90f7396350eff2f0d0">respeaker::SnowboyMbDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnowboyManKwsNode.html#adf581140836ec1151eccbdb81217705a">respeaker::SnowboyManKwsNode</a>, <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a4607ce7fa67b70aa4726773b52a198c8">respeaker::Snips1bDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnipsManBeamKwsNode.html#a255a79ae643271710b1b52fd34c00d48">respeaker::SnipsManBeamKwsNode</a>, <a class="el" href="classrespeaker_1_1HybridNode.html#afd2dfe3f2dcce5d3f1215ede40eff52a">respeaker::HybridNode</a>, <a class="el" href="classrespeaker_1_1VepAecBeamformingNode.html#aef240e69da72fa57e9b9b43ec3434c72">respeaker::VepAecBeamformingNode</a>, <a class="el" href="classrespeaker_1_1PulseCollectorNode.html#ae511893eabe1a913185c7bfacb2e9724">respeaker::PulseCollectorNode</a>, <a class="el" href="classrespeaker_1_1AloopOutputNode.html#a446697a4395649770d49bcd435f665b3">respeaker::AloopOutputNode</a>, <a class="el" href="classrespeaker_1_1AlsaCollectorNode.html#a745aa1e545e96881b450a63989e03fc6">respeaker::AlsaCollectorNode</a>, <a class="el" href="classrespeaker_1_1FileCollectorNode.html#ab48f5942f1b7154654d65844e600dd26">respeaker::FileCollectorNode</a>, and <a class="el" href="classrespeaker_1_1SelectorNode.html#a325cbb894a322b6a6e48cdcd5c2915da">respeaker::SelectorNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a58efcb38cbd0dc75a97060afb911e910">◆ </a></span>ProcessBlock()</h2>
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<td class="memname">virtual std::string respeaker::BaseNode::ProcessBlock </td>
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<p>Every node must implement this method.</p>
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<tr><td class="paramname">block</td><td>[in] </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>std::string </dd></dl>
<p>Implemented in <a class="el" href="classrespeaker_1_1Snowboy1bDoaKwsNode.html#a01b6f7cd8565c1d2a52e4b63c87443f3">respeaker::Snowboy1bDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnowboyMbDoaKwsNode.html#a36ed63f631ec5c1b0bc08684c9bb1bba">respeaker::SnowboyMbDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnowboyManKwsNode.html#a4c7ac510c0bade03217928d325d7fc5c">respeaker::SnowboyManKwsNode</a>, <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#afce019feb1e3db991295fafcb35e27e6">respeaker::Snips1bDoaKwsNode</a>, <a class="el" href="classrespeaker_1_1SnipsManBeamKwsNode.html#aca1f73fcdc3efe39d89070b9a240d9b9">respeaker::SnipsManBeamKwsNode</a>, <a class="el" href="classrespeaker_1_1HybridNode.html#a50d2786baca97cc988b540f6c9ff79b2">respeaker::HybridNode</a>, <a class="el" href="classrespeaker_1_1PulseCollectorNode.html#a6447a61322a2e6dcde2ebd8f149614f8">respeaker::PulseCollectorNode</a>, <a class="el" href="classrespeaker_1_1VepAecBeamformingNode.html#a28702dc845658f64e1fec58c12315717">respeaker::VepAecBeamformingNode</a>, <a class="el" href="classrespeaker_1_1AloopOutputNode.html#ac8a0c9dfdc59705065ec8a53867bf777">respeaker::AloopOutputNode</a>, <a class="el" href="classrespeaker_1_1AlsaCollectorNode.html#a14f328404b6b46256069ddb716aaa087">respeaker::AlsaCollectorNode</a>, <a class="el" href="classrespeaker_1_1FileCollectorNode.html#ac5dfb2c9cba997149cf5dcbe4a1f5726">respeaker::FileCollectorNode</a>, and <a class="el" href="classrespeaker_1_1SelectorNode.html#ac8d360d3d63742ce05922a8d81030d9f">respeaker::SelectorNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9a1492da1aba5ad1c28e4824a0fdce2b">◆ </a></span>RecursivelyStartThread()</h2>
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<td class="memname">bool respeaker::BaseNode::RecursivelyStartThread </td>
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<td class="paramtype"><a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> * </td>
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<p>The <code>shared_data</code> must be passed in, typically the <code>shared_data</code> is created by the <code><a class="el" href="classrespeaker_1_1ReSpeaker.html">ReSpeaker</a></code> supervisor class.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">shared_data</td><td>- The pointer of the <a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> struct.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>bool - If <code>false</code> is returned , this means that the output paramenter of upstream node doesn't meet the requirement of a particular node. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aa8b902a4e5fdb9ebdb276bcb9546a53a">◆ </a></span>RegisterDownlinkNode()</h2>
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<td class="memname">void respeaker::BaseNode::RegisterDownlinkNode </td>
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<td class="paramtype"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * </td>
<td class="paramname"><em>downlink_node</em></td><td>)</td>
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<p>Link down to the downstream node.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">downlink_node</td><td>- The pointer of the downstream node </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a9a1f5f6f0655912b8eca7f2d285a3dcd">◆ </a></span>SetThreadPriority()</h2>
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<td class="memname">bool respeaker::BaseNode::SetThreadPriority </td>
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<p>Set the priority of the thread. Must be callbed before <code>RecursivelyStartThread</code>.</p>
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<tr><td class="paramname">priority</td><td>- [1,99], 99 has highest priority, the default is 50.</td></tr>
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<dl class="section return"><dt>Returns</dt><dd>bool </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a70a1aabbbe47c6f686239defb81d2ac5">◆ </a></span>StoreBlock()</h2>
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<td class="memname">virtual void respeaker::BaseNode::StoreBlock </td>
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<td class="paramtype">std::string </td>
<td class="paramname"><em>block</em>, </td>
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<td class="paramtype">bool & </td>
<td class="paramname"><em>exit</em> </td>
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<p>This method has default implementation, in most times, we can forget this method.</p>
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<tr><td class="paramname">block</td><td>[in] </td></tr>
<tr><td class="paramname">exit</td><td>[out] - The exit flag of the <a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> is set, the thread should join now. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a786258a66118b4681fe77124dfe87ea4">◆ </a></span>Uplink()</h2>
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<td class="memname">void respeaker::BaseNode::Uplink </td>
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<td class="paramtype"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * </td>
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<p>Link up to the upstream node.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">uplink_node</td><td>- The pointer of the upstream node. </td></tr>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ada26f5cc0c9a649f3d98c7b829426c4b">◆ </a></span>_list_downlink_nodes</h2>
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<td class="memname">std::list<<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a>*> respeaker::BaseNode::_list_downlink_nodes</td>
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<p>The downlink path is only used to do recursive calls </p>
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<h2 class="memtitle"><span class="permalink"><a href="#acbc797af16d1d2b2ee3a4677cbdbfd52">◆ </a></span>_uplink_node</h2>
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<td class="memname"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a>* respeaker::BaseNode::_uplink_node = nullptr</td>
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<p>The down-node requests data from up-node, the ownership is: down-node explicitly owns up-node </p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>/home/gitlab-runner/builds/dc7d1974/0/seeedstudio/librespeaker/include/chain_nodes/<a class="el" href="base__node_8h_source.html">base_node.h</a></li>
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