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<div id="projectname">PulseAudio
 <span id="projectnumber">15.0</span>
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<a href="subscribe_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="preprocessor">#ifndef foosubscribehfoo</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define foosubscribehfoo</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</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"> This file is part of PulseAudio.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span> </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> Copyright 2004-2006 Lennart Poettering</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> PulseAudio is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> it under the terms of the GNU Lesser General Public License as published</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> by the Free Software Foundation; either version 2.1 of the License,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> or (at your option) any later version.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> PulseAudio is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> General Public License for more details.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"></span> </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">***/</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <inttypes.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="def_8h.html">pulse/def.h</a>></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <<a class="code" href="context_8h.html">pulse/context.h</a>></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <pulse/cdecl.h></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <pulse/version.h></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> PA_C_DECL_BEGIN</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="subscribe_8h.html#ad1e70a8a270c955487280620ab0a2f0f"> 73</a></span> <span class="keyword">typedef</span> void (*<a class="code" href="subscribe_8h.html#ad1e70a8a270c955487280620ab0a2f0f">pa_context_subscribe_cb_t</a>)(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="def_8h.html#a22c992200357163b430362332a04ef43">pa_subscription_event_type_t</a> t, uint32_t idx, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="subscribe_8h.html#abe684246fd5cb640b0199bcfe7f801b0"> 76</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a>* <a class="code" href="subscribe_8h.html#abe684246fd5cb640b0199bcfe7f801b0">pa_context_subscribe</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="def_8h.html#a9cdd88910eaf3482b58ebdc2ead58693">pa_subscription_mask_t</a> m, <a class="code" href="context_8h.html#a086b985c499c50efc628c267e8923fb1">pa_context_success_cb_t</a> cb, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="subscribe_8h.html#a55281f798863e7b37594d347be7ad98c"> 79</a></span> <span class="keywordtype">void</span> <a class="code" href="subscribe_8h.html#a55281f798863e7b37594d347be7ad98c">pa_context_set_subscribe_callback</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="subscribe_8h.html#ad1e70a8a270c955487280620ab0a2f0f">pa_context_subscribe_cb_t</a> cb, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> PA_C_DECL_END</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="acontext_8h_html"><div class="ttname"><a href="context_8h.html">context.h</a></div><div class="ttdoc">Connection contexts for asynchronous communication with a server.</div></div>
<div class="ttc" id="acontext_8h_html_a086b985c499c50efc628c267e8923fb1"><div class="ttname"><a href="context_8h.html#a086b985c499c50efc628c267e8923fb1">pa_context_success_cb_t</a></div><div class="ttdeci">void(* pa_context_success_cb_t)(pa_context *c, int success, void *userdata)</div><div class="ttdoc">A generic callback for operation completion.</div><div class="ttdef"><b>Definition:</b> context.h:160</div></div>
<div class="ttc" id="acontext_8h_html_aff56e9b3dd442a88227da084bb5c380a"><div class="ttname"><a href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a></div><div class="ttdeci">struct pa_context pa_context</div><div class="ttdoc">An opaque connection context to a daemon.</div><div class="ttdef"><b>Definition:</b> context.h:154</div></div>
<div class="ttc" id="adef_8h_html"><div class="ttname"><a href="def_8h.html">def.h</a></div><div class="ttdoc">Global definitions.</div></div>
<div class="ttc" id="adef_8h_html_a22c992200357163b430362332a04ef43"><div class="ttname"><a href="def_8h.html#a22c992200357163b430362332a04ef43">pa_subscription_event_type_t</a></div><div class="ttdeci">enum pa_subscription_event_type pa_subscription_event_type_t</div><div class="ttdoc">Subscription event types, as used by pa_context_subscribe()</div></div>
<div class="ttc" id="adef_8h_html_a9cdd88910eaf3482b58ebdc2ead58693"><div class="ttname"><a href="def_8h.html#a9cdd88910eaf3482b58ebdc2ead58693">pa_subscription_mask_t</a></div><div class="ttdeci">enum pa_subscription_mask pa_subscription_mask_t</div><div class="ttdoc">Subscription event mask, as used by pa_context_subscribe()</div></div>
<div class="ttc" id="aoperation_8h_html_a5614a07f2e7a129e4cb16596ed452a0c"><div class="ttname"><a href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a></div><div class="ttdeci">struct pa_operation pa_operation</div><div class="ttdoc">An asynchronous operation object.</div><div class="ttdef"><b>Definition:</b> operation.h:33</div></div>
<div class="ttc" id="asubscribe_8h_html_a55281f798863e7b37594d347be7ad98c"><div class="ttname"><a href="subscribe_8h.html#a55281f798863e7b37594d347be7ad98c">pa_context_set_subscribe_callback</a></div><div class="ttdeci">void pa_context_set_subscribe_callback(pa_context *c, pa_context_subscribe_cb_t cb, void *userdata)</div><div class="ttdoc">Set the context specific call back function that is called whenever the state of the daemon changes.</div></div>
<div class="ttc" id="asubscribe_8h_html_abe684246fd5cb640b0199bcfe7f801b0"><div class="ttname"><a href="subscribe_8h.html#abe684246fd5cb640b0199bcfe7f801b0">pa_context_subscribe</a></div><div class="ttdeci">pa_operation * pa_context_subscribe(pa_context *c, pa_subscription_mask_t m, pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Enable event notification.</div></div>
<div class="ttc" id="asubscribe_8h_html_ad1e70a8a270c955487280620ab0a2f0f"><div class="ttname"><a href="subscribe_8h.html#ad1e70a8a270c955487280620ab0a2f0f">pa_context_subscribe_cb_t</a></div><div class="ttdeci">void(* pa_context_subscribe_cb_t)(pa_context *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata)</div><div class="ttdoc">Subscription event callback prototype.</div><div class="ttdef"><b>Definition:</b> subscribe.h:73</div></div>
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