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<div class="title">pw_node_proxy_methods Struct Reference</div> </div>
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<p>Node methods.
<a href="structpw__node__proxy__methods.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a220c84ef2948ad2233ce1ef8c5eb81b1"><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structpw__node__proxy__methods.html#a220c84ef2948ad2233ce1ef8c5eb81b1">version</a></td></tr>
<tr class="separator:a220c84ef2948ad2233ce1ef8c5eb81b1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a89422605272146bc9c1f9a4e5b03f0f3"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structpw__node__proxy__methods.html#a89422605272146bc9c1f9a4e5b03f0f3">add_listener</a> )(void *object, struct spa_hook *listener, const struct <a class="el" href="structpw__node__proxy__events.html">pw_node_proxy_events</a> *events, void *<a class="el" href="structdata.html">data</a>)</td></tr>
<tr class="separator:a89422605272146bc9c1f9a4e5b03f0f3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adf16a77976a3a3095adc32217939fc27"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structpw__node__proxy__methods.html#adf16a77976a3a3095adc32217939fc27">subscribe_params</a> )(void *object, uint32_t *ids, uint32_t n_ids)</td></tr>
<tr class="memdesc:adf16a77976a3a3095adc32217939fc27"><td class="mdescLeft"> </td><td class="mdescRight">Subscribe to parameter changes. <a href="#adf16a77976a3a3095adc32217939fc27">More...</a><br /></td></tr>
<tr class="separator:adf16a77976a3a3095adc32217939fc27"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a91f747dbc317e7790d4e231cd0266a75"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structpw__node__proxy__methods.html#a91f747dbc317e7790d4e231cd0266a75">enum_params</a> )(void *object, int seq, uint32_t id, uint32_t start, uint32_t num, const struct spa_pod *filter)</td></tr>
<tr class="memdesc:a91f747dbc317e7790d4e231cd0266a75"><td class="mdescLeft"> </td><td class="mdescRight">Enumerate node parameters. <a href="#a91f747dbc317e7790d4e231cd0266a75">More...</a><br /></td></tr>
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<tr class="memitem:acb03ddccfc30f1641b2c5ddb70c998ff"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structpw__node__proxy__methods.html#acb03ddccfc30f1641b2c5ddb70c998ff">set_param</a> )(void *object, uint32_t id, uint32_t flags, const struct spa_pod *<a class="el" href="structparam.html">param</a>)</td></tr>
<tr class="memdesc:acb03ddccfc30f1641b2c5ddb70c998ff"><td class="mdescLeft"> </td><td class="mdescRight">Set a parameter on the node. <a href="#acb03ddccfc30f1641b2c5ddb70c998ff">More...</a><br /></td></tr>
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<tr class="memitem:af599dd8a1edfe3f5d6ff1fa52642e2db"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structpw__node__proxy__methods.html#af599dd8a1edfe3f5d6ff1fa52642e2db">send_command</a> )(void *object, const struct spa_command *command)</td></tr>
<tr class="memdesc:af599dd8a1edfe3f5d6ff1fa52642e2db"><td class="mdescLeft"> </td><td class="mdescRight">Send a command to the node. <a href="#af599dd8a1edfe3f5d6ff1fa52642e2db">More...</a><br /></td></tr>
<tr class="separator:af599dd8a1edfe3f5d6ff1fa52642e2db"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Node methods. </p>
</div><h2 class="groupheader">Field Documentation</h2>
<a id="a89422605272146bc9c1f9a4e5b03f0f3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a89422605272146bc9c1f9a4e5b03f0f3">◆ </a></span>add_listener</h2>
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<td class="memname">int(* pw_node_proxy_methods::add_listener) (void *object, struct spa_hook *listener, const struct <a class="el" href="structpw__node__proxy__events.html">pw_node_proxy_events</a> *events, void *<a class="el" href="structdata.html">data</a>)</td>
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<h2 class="memtitle"><span class="permalink"><a href="#a91f747dbc317e7790d4e231cd0266a75">◆ </a></span>enum_params</h2>
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<td class="memname">int(* pw_node_proxy_methods::enum_params) (void *object, int seq, uint32_t id, uint32_t start, uint32_t num, const struct spa_pod *filter)</td>
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</table>
</div><div class="memdoc">
<p>Enumerate node parameters. </p>
<p>Start enumeration of node parameters. For each param, a param event will be emited.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">seq</td><td>a sequence number to place in the reply </td></tr>
<tr><td class="paramname">id</td><td>the parameter id to enum or SPA_ID_INVALID for all </td></tr>
<tr><td class="paramname">start</td><td>the start index or 0 for the first param </td></tr>
<tr><td class="paramname">num</td><td>the maximum number of params to retrieve </td></tr>
<tr><td class="paramname">filter</td><td>a param filter or NULL </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="af599dd8a1edfe3f5d6ff1fa52642e2db"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af599dd8a1edfe3f5d6ff1fa52642e2db">◆ </a></span>send_command</h2>
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<td class="memname">int(* pw_node_proxy_methods::send_command) (void *object, const struct spa_command *command)</td>
</tr>
</table>
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<p>Send a command to the node. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">command</td><td>the command to send </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="acb03ddccfc30f1641b2c5ddb70c998ff"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acb03ddccfc30f1641b2c5ddb70c998ff">◆ </a></span>set_param</h2>
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<td class="memname">int(* pw_node_proxy_methods::set_param) (void *object, uint32_t id, uint32_t flags, const struct spa_pod *<a class="el" href="structparam.html">param</a>)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Set a parameter on the node. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">id</td><td>the parameter id to set </td></tr>
<tr><td class="paramname">flags</td><td>extra parameter flags </td></tr>
<tr><td class="paramname">param</td><td>the parameter to set </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="adf16a77976a3a3095adc32217939fc27"></a>
<h2 class="memtitle"><span class="permalink"><a href="#adf16a77976a3a3095adc32217939fc27">◆ </a></span>subscribe_params</h2>
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<td class="memname">int(* pw_node_proxy_methods::subscribe_params) (void *object, uint32_t *ids, uint32_t n_ids)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Subscribe to parameter changes. </p>
<p>Automatically emit param events for the given ids when they are changed.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ids</td><td>an array of param ids </td></tr>
<tr><td class="paramname">n_ids</td><td>the number of ids in <em>ids</em> </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a220c84ef2948ad2233ce1ef8c5eb81b1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a220c84ef2948ad2233ce1ef8c5eb81b1">◆ </a></span>version</h2>
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<td class="memname">uint32_t pw_node_proxy_methods::version</td>
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</div>
</div>
<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="interfaces_8h_source.html">interfaces.h</a></li>
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