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 <span id="projectnumber">0.2.9</span>
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<a href="port_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* PipeWire</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright © 2018 Wim Taymans</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * The above copyright notice and this permission notice (including the next</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * paragraph) shall be included in all copies or substantial portions of the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Software.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#ifndef PIPEWIRE_PORT_H</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#define PIPEWIRE_PORT_H</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include <spa/utils/hook.h></span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">struct </span><a class="code" href="classpw__port.html">pw_port</a>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">struct </span><a class="code" href="classpw__link.html">pw_link</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword">struct </span><a class="code" href="classpw__control.html">pw_control</a>;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <<a class="code" href="core_8h.html">pipewire/core.h</a>></span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include <<a class="code" href="introspect_8h.html">pipewire/introspect.h</a>></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include <<a class="code" href="node_8h.html">pipewire/node.h</a>></span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6"> 52</a></span> <span class="keyword">enum</span> <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6">pw_port_state</a> {</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a0db5ddd15b188c1f747499c8d75f20c2"> 53</a></span>  <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a0db5ddd15b188c1f747499c8d75f20c2">PW_PORT_STATE_ERROR</a> = -1, </div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a921e399f53a6dd90a1721022d87931ca"> 54</a></span>  <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a921e399f53a6dd90a1721022d87931ca">PW_PORT_STATE_INIT</a> = 0, </div><div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a4198e858d11461bc8b1ce179b579b537"> 55</a></span>  <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a4198e858d11461bc8b1ce179b579b537">PW_PORT_STATE_CONFIGURE</a> = 1, </div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6ae71d3a847559a838fe9bd5bf8c07faa2"> 56</a></span>  <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6ae71d3a847559a838fe9bd5bf8c07faa2">PW_PORT_STATE_READY</a> = 2, </div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a15f1ec0a36d9e4f9dd3d7304243044a9"> 57</a></span>  <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a15f1ec0a36d9e4f9dd3d7304243044a9">PW_PORT_STATE_PAUSED</a> = 3, </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> };</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="structpw__port__events.html"> 61</a></span> <span class="keyword">struct </span><a class="code" href="structpw__port__events.html">pw_port_events</a> {</div><div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="port_8h.html#a2d08d6e2358afc05ca212a0258fb6a26"> 62</a></span> <span class="preprocessor">#define PW_VERSION_PORT_EVENTS 0</span></div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="structpw__port__events.html#ab9b6466b9ef1ed29b53c585e6d7d5885"> 63</a></span>  uint32_t <a class="code" href="structpw__port__events.html#ab9b6466b9ef1ed29b53c585e6d7d5885">version</a>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="structpw__port__events.html#ac25f071f63392c69328dfa829be044e3"> 66</a></span>  void (*<a class="code" href="structpw__port__events.html#ac25f071f63392c69328dfa829be044e3">destroy</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="structpw__port__events.html#a757cc045456c8c2cdae36a8e787ac5d3"> 69</a></span>  void (*<a class="code" href="structpw__port__events.html#a757cc045456c8c2cdae36a8e787ac5d3">free</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="structpw__port__events.html#afc2735d24e0eb220a56690973c9f626c"> 72</a></span>  void (*<a class="code" href="structpw__port__events.html#afc2735d24e0eb220a56690973c9f626c">info_changed</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>, <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structpw__port__info.html">pw_port_info</a> *info);</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="structpw__port__events.html#a1d93b05500a2b781e2c29b841b08ba30"> 75</a></span>  void (*<a class="code" href="structpw__port__events.html#a1d93b05500a2b781e2c29b841b08ba30">link_added</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>, <span class="keyword">struct </span><a class="code" href="classpw__link.html">pw_link</a> *link);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="structpw__port__events.html#a0dcfa2b27d020b541a72315693e372fd"> 78</a></span>  void (*<a class="code" href="structpw__port__events.html#a0dcfa2b27d020b541a72315693e372fd">link_removed</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>, <span class="keyword">struct </span><a class="code" href="classpw__link.html">pw_link</a> *link);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="structpw__port__events.html#aafea670c82e6cf6c1a3d4c5e93d86e0a"> 81</a></span>  void (*<a class="code" href="structpw__port__events.html#aafea670c82e6cf6c1a3d4c5e93d86e0a">state_changed</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>, <span class="keyword">enum</span> <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6">pw_port_state</a> old,</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">enum</span> <a class="code" href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6">pw_port_state</a> state, <span class="keyword">const</span> <span class="keywordtype">char</span> *error);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="structpw__port__events.html#ad5a3e7eac86a39b78be8736cbad37d13"> 85</a></span>  void (*<a class="code" href="structpw__port__events.html#ad5a3e7eac86a39b78be8736cbad37d13">control_added</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>, <span class="keyword">struct </span><a class="code" href="classpw__control.html">pw_control</a> *<a class="code" href="structcontrol.html">control</a>);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="structpw__port__events.html#ac6376ddcd1537b31549bfbe03b801574"> 88</a></span>  void (*<a class="code" href="structpw__port__events.html#ac6376ddcd1537b31549bfbe03b801574">control_removed</a>) (<span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>, <span class="keyword">struct </span><a class="code" href="classpw__control.html">pw_control</a> *<a class="code" href="structcontrol.html">control</a>);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> };</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">enum</span> <a class="code" href="introspect_8h.html#a6e9e847059d68cbdb608abc8eb6b631d">pw_direction</a> <a class="code" href="port_8h.html#a53aab0d888eb07c1543dee1c55e5c681">pw_port_get_direction</a>(<span class="keyword">struct</span> <a class="code" href="classpw__port.html">pw_port</a> *port);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structpw__properties.html">pw_properties</a> *<a class="code" href="port_8h.html#a265fceb6afcbf35100789c8604adb8ef">pw_port_get_properties</a>(<span class="keyword">struct</span> <a class="code" href="classpw__port.html">pw_port</a> *port);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keywordtype">int</span> <a class="code" href="port_8h.html#a6415901538a39fe66d36263ea9ca79cc">pw_port_update_properties</a>(<span class="keyword">struct</span> <a class="code" href="classpw__port.html">pw_port</a> *port, <span class="keyword">const</span> <span class="keyword">struct</span> spa_dict *<a class="code" href="structpw__properties.html#a70aa5816bde60f5511f2308971794881">dict</a>);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> uint32_t <a class="code" href="port_8h.html#a2461fe53d57c257892e36e7d37ae3e24">pw_port_get_id</a>(<span class="keyword">struct</span> <a class="code" href="classpw__port.html">pw_port</a> *port);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="keyword">struct </span><a class="code" href="classpw__node.html">pw_node</a> *<a class="code" href="port_8h.html#a501ca4956581fbd1a4fe94f3b46d1dec">pw_port_get_node</a>(<span class="keyword">struct</span> <a class="code" href="classpw__port.html">pw_port</a> *port);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keywordtype">void</span> <a class="code" href="port_8h.html#a6d61253f97045f6452627a0de7e0a0fc">pw_port_add_listener</a>(<span class="keyword">struct</span> <a class="code" href="classpw__port.html">pw_port</a> *port,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">struct</span> spa_hook *listener,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structpw__port__events.html">pw_port_events</a> *events,</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordtype">void</span> *<a class="code" href="structdata.html">data</a>);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#ifdef __cplusplus</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> }</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif </span><span class="comment">/* PIPEWIRE_PORT_H */</span><span class="preprocessor"></span></div><div class="ttc" id="structpw__properties_html"><div class="ttname"><a href="structpw__properties.html">pw_properties</a></div><div class="ttdoc">A collection of key/value pairs.</div><div class="ttdef"><b>Definition:</b> properties.h:43</div></div>
<div class="ttc" id="node_8h_html"><div class="ttname"><a href="node_8h.html">node.h</a></div></div>
<div class="ttc" id="port_8h_html_a6415901538a39fe66d36263ea9ca79cc"><div class="ttname"><a href="port_8h.html#a6415901538a39fe66d36263ea9ca79cc">pw_port_update_properties</a></div><div class="ttdeci">int pw_port_update_properties(struct pw_port *port, const struct spa_dict *dict)</div><div class="ttdoc">Update the port properties.</div><div class="ttdef"><b>Definition:</b> port.c:474</div></div>
<div class="ttc" id="port_8h_html_a2461fe53d57c257892e36e7d37ae3e24"><div class="ttname"><a href="port_8h.html#a2461fe53d57c257892e36e7d37ae3e24">pw_port_get_id</a></div><div class="ttdeci">uint32_t pw_port_get_id(struct pw_port *port)</div><div class="ttdoc">Get the port id.</div><div class="ttdef"><b>Definition:</b> port.c:462</div></div>
<div class="ttc" id="introspect_8h_html"><div class="ttname"><a href="introspect_8h.html">introspect.h</a></div></div>
<div class="ttc" id="structpw__port__events_html_a1d93b05500a2b781e2c29b841b08ba30"><div class="ttname"><a href="structpw__port__events.html#a1d93b05500a2b781e2c29b841b08ba30">pw_port_events::link_added</a></div><div class="ttdeci">void(* link_added)(void *data, struct pw_link *link)</div><div class="ttdoc">a new link is added on this port</div><div class="ttdef"><b>Definition:</b> port.h:75</div></div>
<div class="ttc" id="classpw__link_html"><div class="ttname"><a href="classpw__link.html">pw_link</a></div><div class="ttdoc">PipeWire link object.</div></div>
<div class="ttc" id="structpw__properties_html_a70aa5816bde60f5511f2308971794881"><div class="ttname"><a href="structpw__properties.html#a70aa5816bde60f5511f2308971794881">pw_properties::dict</a></div><div class="ttdeci">struct spa_dict dict</div><div class="ttdoc">dictionary of key/values</div><div class="ttdef"><b>Definition:</b> properties.h:44</div></div>
<div class="ttc" id="core_8h_html"><div class="ttname"><a href="core_8h.html">core.h</a></div></div>
<div class="ttc" id="port_8h_html_adbdfd176064e149c49e7c4bbbdd1e3a6a4198e858d11461bc8b1ce179b579b537"><div class="ttname"><a href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a4198e858d11461bc8b1ce179b579b537">PW_PORT_STATE_CONFIGURE</a></div><div class="ttdoc">the port is ready for format negotiation</div><div class="ttdef"><b>Definition:</b> port.h:55</div></div>
<div class="ttc" id="structpw__port__events_html_aafea670c82e6cf6c1a3d4c5e93d86e0a"><div class="ttname"><a href="structpw__port__events.html#aafea670c82e6cf6c1a3d4c5e93d86e0a">pw_port_events::state_changed</a></div><div class="ttdeci">void(* state_changed)(void *data, enum pw_port_state old, enum pw_port_state state, const char *error)</div><div class="ttdoc">the state of the port changed</div><div class="ttdef"><b>Definition:</b> port.h:81</div></div>
<div class="ttc" id="port_8h_html_a6d61253f97045f6452627a0de7e0a0fc"><div class="ttname"><a href="port_8h.html#a6d61253f97045f6452627a0de7e0a0fc">pw_port_add_listener</a></div><div class="ttdeci">void pw_port_add_listener(struct pw_port *port, struct spa_hook *listener, const struct pw_port_events *events, void *data)</div><div class="ttdoc">Add an event listener on the port.</div><div class="ttdef"><b>Definition:</b> port.c:496</div></div>
<div class="ttc" id="structpw__port__info_html"><div class="ttname"><a href="structpw__port__info.html">pw_port_info</a></div><div class="ttdef"><b>Definition:</b> introspect.h:196</div></div>
<div class="ttc" id="structpw__port__events_html_afc2735d24e0eb220a56690973c9f626c"><div class="ttname"><a href="structpw__port__events.html#afc2735d24e0eb220a56690973c9f626c">pw_port_events::info_changed</a></div><div class="ttdeci">void(* info_changed)(void *data, const struct pw_port_info *info)</div><div class="ttdoc">the port info changed</div><div class="ttdef"><b>Definition:</b> port.h:72</div></div>
<div class="ttc" id="classpw__control_html"><div class="ttname"><a href="classpw__control.html">pw_control</a></div><div class="ttdoc">The control object.</div></div>
<div class="ttc" id="structpw__port__events_html_ab9b6466b9ef1ed29b53c585e6d7d5885"><div class="ttname"><a href="structpw__port__events.html#ab9b6466b9ef1ed29b53c585e6d7d5885">pw_port_events::version</a></div><div class="ttdeci">uint32_t version</div><div class="ttdef"><b>Definition:</b> port.h:63</div></div>
<div class="ttc" id="port_8h_html_a265fceb6afcbf35100789c8604adb8ef"><div class="ttname"><a href="port_8h.html#a265fceb6afcbf35100789c8604adb8ef">pw_port_get_properties</a></div><div class="ttdeci">const struct pw_properties * pw_port_get_properties(struct pw_port *port)</div><div class="ttdoc">Get the port properties.</div><div class="ttdef"><b>Definition:</b> port.c:468</div></div>
<div class="ttc" id="structpw__port__events_html"><div class="ttname"><a href="structpw__port__events.html">pw_port_events</a></div><div class="ttdoc">Port events, use pw_port_add_listener.</div><div class="ttdef"><b>Definition:</b> port.h:61</div></div>
<div class="ttc" id="port_8h_html_adbdfd176064e149c49e7c4bbbdd1e3a6a0db5ddd15b188c1f747499c8d75f20c2"><div class="ttname"><a href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a0db5ddd15b188c1f747499c8d75f20c2">PW_PORT_STATE_ERROR</a></div><div class="ttdoc">the port is in error</div><div class="ttdef"><b>Definition:</b> port.h:53</div></div>
<div class="ttc" id="port_8h_html_adbdfd176064e149c49e7c4bbbdd1e3a6"><div class="ttname"><a href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6">pw_port_state</a></div><div class="ttdeci">pw_port_state</div><div class="ttdef"><b>Definition:</b> port.h:52</div></div>
<div class="ttc" id="port_8h_html_adbdfd176064e149c49e7c4bbbdd1e3a6a15f1ec0a36d9e4f9dd3d7304243044a9"><div class="ttname"><a href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a15f1ec0a36d9e4f9dd3d7304243044a9">PW_PORT_STATE_PAUSED</a></div><div class="ttdoc">the port is paused</div><div class="ttdef"><b>Definition:</b> port.h:57</div></div>
<div class="ttc" id="structpw__port__events_html_a757cc045456c8c2cdae36a8e787ac5d3"><div class="ttname"><a href="structpw__port__events.html#a757cc045456c8c2cdae36a8e787ac5d3">pw_port_events::free</a></div><div class="ttdeci">void(* free)(void *data)</div><div class="ttdoc">The port is freed.</div><div class="ttdef"><b>Definition:</b> port.h:69</div></div>
<div class="ttc" id="port_8h_html_adbdfd176064e149c49e7c4bbbdd1e3a6ae71d3a847559a838fe9bd5bf8c07faa2"><div class="ttname"><a href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6ae71d3a847559a838fe9bd5bf8c07faa2">PW_PORT_STATE_READY</a></div><div class="ttdoc">the port is ready for buffer allocation</div><div class="ttdef"><b>Definition:</b> port.h:56</div></div>
<div class="ttc" id="structcontrol_html"><div class="ttname"><a href="structcontrol.html">control</a></div><div class="ttdef"><b>Definition:</b> stream.c:84</div></div>
<div class="ttc" id="structpw__port__events_html_ac25f071f63392c69328dfa829be044e3"><div class="ttname"><a href="structpw__port__events.html#ac25f071f63392c69328dfa829be044e3">pw_port_events::destroy</a></div><div class="ttdeci">void(* destroy)(void *data)</div><div class="ttdoc">The port is destroyed.</div><div class="ttdef"><b>Definition:</b> port.h:66</div></div>
<div class="ttc" id="port_8h_html_a53aab0d888eb07c1543dee1c55e5c681"><div class="ttname"><a href="port_8h.html#a53aab0d888eb07c1543dee1c55e5c681">pw_port_get_direction</a></div><div class="ttdeci">enum pw_direction pw_port_get_direction(struct pw_port *port)</div><div class="ttdoc">Get the port direction.</div><div class="ttdef"><b>Definition:</b> port.c:456</div></div>
<div class="ttc" id="classpw__node_html"><div class="ttname"><a href="classpw__node.html">pw_node</a></div><div class="ttdoc">PipeWire node class.</div></div>
<div class="ttc" id="port_8h_html_a501ca4956581fbd1a4fe94f3b46d1dec"><div class="ttname"><a href="port_8h.html#a501ca4956581fbd1a4fe94f3b46d1dec">pw_port_get_node</a></div><div class="ttdeci">struct pw_node * pw_port_get_node(struct pw_port *port)</div><div class="ttdoc">Get the port parent node or NULL when not yet set.</div><div class="ttdef"><b>Definition:</b> port.c:490</div></div>
<div class="ttc" id="port_8h_html_adbdfd176064e149c49e7c4bbbdd1e3a6a921e399f53a6dd90a1721022d87931ca"><div class="ttname"><a href="port_8h.html#adbdfd176064e149c49e7c4bbbdd1e3a6a921e399f53a6dd90a1721022d87931ca">PW_PORT_STATE_INIT</a></div><div class="ttdoc">the port is being created</div><div class="ttdef"><b>Definition:</b> port.h:54</div></div>
<div class="ttc" id="structpw__port__events_html_a0dcfa2b27d020b541a72315693e372fd"><div class="ttname"><a href="structpw__port__events.html#a0dcfa2b27d020b541a72315693e372fd">pw_port_events::link_removed</a></div><div class="ttdeci">void(* link_removed)(void *data, struct pw_link *link)</div><div class="ttdoc">a link is removed from this port</div><div class="ttdef"><b>Definition:</b> port.h:78</div></div>
<div class="ttc" id="classpw__port_html"><div class="ttname"><a href="classpw__port.html">pw_port</a></div><div class="ttdoc">The port object.</div></div>
<div class="ttc" id="structpw__port__events_html_ad5a3e7eac86a39b78be8736cbad37d13"><div class="ttname"><a href="structpw__port__events.html#ad5a3e7eac86a39b78be8736cbad37d13">pw_port_events::control_added</a></div><div class="ttdeci">void(* control_added)(void *data, struct pw_control *control)</div><div class="ttdoc">a control was added to the port</div><div class="ttdef"><b>Definition:</b> port.h:85</div></div>
<div class="ttc" id="structpw__port__events_html_ac6376ddcd1537b31549bfbe03b801574"><div class="ttname"><a href="structpw__port__events.html#ac6376ddcd1537b31549bfbe03b801574">pw_port_events::control_removed</a></div><div class="ttdeci">void(* control_removed)(void *data, struct pw_control *control)</div><div class="ttdoc">a control was removed from the port</div><div class="ttdef"><b>Definition:</b> port.h:88</div></div>
<div class="ttc" id="introspect_8h_html_a6e9e847059d68cbdb608abc8eb6b631d"><div class="ttname"><a href="introspect_8h.html#a6e9e847059d68cbdb608abc8eb6b631d">pw_direction</a></div><div class="ttdeci">pw_direction</div><div class="ttdoc">The direction of a port.</div><div class="ttdef"><b>Definition:</b> introspect.h:52</div></div>
<div class="ttc" id="structdata_html"><div class="ttname"><a href="structdata.html">data</a></div><div class="ttdef"><b>Definition:</b> stream.c:69</div></div>
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