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 <span id="projectnumber">15.0</span>
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<div class="title">context.h</div> </div>
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<a href="context_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"><a class="line" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a"> 1</a></span> <span class="preprocessor">#ifndef foocontexthfoo</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define foocontexthfoo</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 <<a class="code" href="sample_8h.html">pulse/sample.h</a>></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <<a class="code" href="def_8h.html">pulse/def.h</a>></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <<a class="code" href="mainloop-api_8h.html">pulse/mainloop-api.h</a>></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <pulse/cdecl.h></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <<a class="code" href="operation_8h.html">pulse/operation.h</a>></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <<a class="code" href="proplist_8h.html">pulse/proplist.h</a>></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <pulse/version.h></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> PA_C_DECL_BEGIN</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a>;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="context_8h.html#a19074e289d91ccae8dd58d15e912fc13"> 157</a></span> <span class="keyword">typedef</span> void (*<a class="code" href="context_8h.html#a19074e289d91ccae8dd58d15e912fc13">pa_context_notify_cb_t</a>)(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="context_8h.html#a086b985c499c50efc628c267e8923fb1"> 160</a></span> <span class="keyword">typedef</span> void (*<a class="code" href="context_8h.html#a086b985c499c50efc628c267e8923fb1">pa_context_success_cb_t</a>) (<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keywordtype">int</span> success, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="context_8h.html#a039e0805d8276906397d4f55c78f13f4"> 167</a></span> <span class="keyword">typedef</span> void (*<a class="code" href="context_8h.html#a039e0805d8276906397d4f55c78f13f4">pa_context_event_cb_t</a>)(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <a class="code" href="proplist_8h.html#acdf756a6014b6fae3b358b2c934c3426">pa_proplist</a> *p, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  </div>
<div class="line"><a name="l00172"></a><span class="lineno"><a class="line" href="context_8h.html#a2784c754947a97f02c78b73d7b1c2d5f"> 172</a></span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *<a class="code" href="context_8h.html#a2784c754947a97f02c78b73d7b1c2d5f">pa_context_new</a>(<a class="code" href="structpa__mainloop__api.html">pa_mainloop_api</a> *mainloop, <span class="keyword">const</span> <span class="keywordtype">char</span> *name);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00177"></a><span class="lineno"><a class="line" href="context_8h.html#ad04bdd7745aa70a374bdafd3dc717211"> 177</a></span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *<a class="code" href="context_8h.html#ad04bdd7745aa70a374bdafd3dc717211">pa_context_new_with_proplist</a>(<a class="code" href="structpa__mainloop__api.html">pa_mainloop_api</a> *mainloop, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <a class="code" href="proplist_8h.html#acdf756a6014b6fae3b358b2c934c3426">pa_proplist</a> *proplist);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
<div class="line"><a name="l00180"></a><span class="lineno"><a class="line" href="context_8h.html#a344c4ccf14d6a8842e83154a0aa99311"> 180</a></span> <span class="keywordtype">void</span> <a class="code" href="context_8h.html#a344c4ccf14d6a8842e83154a0aa99311">pa_context_unref</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div>
<div class="line"><a name="l00183"></a><span class="lineno"><a class="line" href="context_8h.html#a4ba151a2c3b6b469d0b8bb1f905d6589"> 183</a></span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a>* <a class="code" href="context_8h.html#a4ba151a2c3b6b469d0b8bb1f905d6589">pa_context_ref</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="context_8h.html#aeb7b395fd3a345fc181d6bfcdbe5f3d8"> 186</a></span> <span class="keywordtype">void</span> <a class="code" href="context_8h.html#aeb7b395fd3a345fc181d6bfcdbe5f3d8">pa_context_set_state_callback</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="context_8h.html#a19074e289d91ccae8dd58d15e912fc13">pa_context_notify_cb_t</a> cb, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="context_8h.html#ac4b3e8eaac460fb1b8109b0e3689c510"> 190</a></span> <span class="keywordtype">void</span> <a class="code" href="context_8h.html#ac4b3e8eaac460fb1b8109b0e3689c510">pa_context_set_event_callback</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *p, <a class="code" href="context_8h.html#a039e0805d8276906397d4f55c78f13f4">pa_context_event_cb_t</a> cb, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="context_8h.html#a663ad2acbf708102dc2deee2801f2441"> 193</a></span> <span class="keywordtype">int</span> <a class="code" href="context_8h.html#a663ad2acbf708102dc2deee2801f2441">pa_context_errno</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
<div class="line"><a name="l00196"></a><span class="lineno"><a class="line" href="context_8h.html#a4b9c381945c1a2be972c90053e22f77e"> 196</a></span> <span class="keywordtype">int</span> <a class="code" href="context_8h.html#a4b9c381945c1a2be972c90053e22f77e">pa_context_is_pending</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  </div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="context_8h.html#ad6017a90c6669856a0196ca96b0f2d35"> 199</a></span> <a class="code" href="def_8h.html#ad8df7d93ddff4a97c616dfea33ed7aab">pa_context_state_t</a> <a class="code" href="context_8h.html#ad6017a90c6669856a0196ca96b0f2d35">pa_context_get_state</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  </div>
<div class="line"><a name="l00210"></a><span class="lineno"><a class="line" href="context_8h.html#a983ce13d45c5f4b0db8e1a34e21f9fce"> 210</a></span> <span class="keywordtype">int</span> <a class="code" href="context_8h.html#a983ce13d45c5f4b0db8e1a34e21f9fce">pa_context_connect</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *server, <a class="code" href="def_8h.html#a71be6ff0b2fdd107b0312088b377b22a">pa_context_flags_t</a> flags, <span class="keyword">const</span> <a class="code" href="structpa__spawn__api.html">pa_spawn_api</a> *api);</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
<div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="context_8h.html#a154b9d8057adfbb2cecfbd9406a27660"> 213</a></span> <span class="keywordtype">void</span> <a class="code" href="context_8h.html#a154b9d8057adfbb2cecfbd9406a27660">pa_context_disconnect</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div>
<div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="context_8h.html#ab94b42b05c233e010432888b7c496c50"> 216</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a>* <a class="code" href="context_8h.html#ab94b42b05c233e010432888b7c496c50">pa_context_drain</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="context_8h.html#a19074e289d91ccae8dd58d15e912fc13">pa_context_notify_cb_t</a> cb, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
<div class="line"><a name="l00221"></a><span class="lineno"><a class="line" href="context_8h.html#a9f664306d9e9be7603cd80e811b3c29a"> 221</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a>* <a class="code" href="context_8h.html#a9f664306d9e9be7603cd80e811b3c29a">pa_context_exit_daemon</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <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="l00222"></a><span class="lineno"> 222</span>  </div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="context_8h.html#a0710abf20bd14d140c77daded9b99dd1"> 224</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a>* <a class="code" href="context_8h.html#a0710abf20bd14d140c77daded9b99dd1">pa_context_set_default_sink</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <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="l00225"></a><span class="lineno"> 225</span>  </div>
<div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="context_8h.html#ac70ec892113745dc85d4045234fd0a33"> 227</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a>* <a class="code" href="context_8h.html#ac70ec892113745dc85d4045234fd0a33">pa_context_set_default_source</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <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="l00228"></a><span class="lineno"> 228</span>  </div>
<div class="line"><a name="l00230"></a><span class="lineno"><a class="line" href="context_8h.html#a1b48896c8e591ffd59955615e28efdb1"> 230</a></span> <span class="keywordtype">int</span> <a class="code" href="context_8h.html#a1b48896c8e591ffd59955615e28efdb1">pa_context_is_local</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="context_8h.html#ae50c0e777b009d2bdcd32a07a91b735a"> 233</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a>* <a class="code" href="context_8h.html#ae50c0e777b009d2bdcd32a07a91b735a">pa_context_set_name</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <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="l00234"></a><span class="lineno"> 234</span>  </div>
<div class="line"><a name="l00236"></a><span class="lineno"><a class="line" href="context_8h.html#aadb26852b4ae4f0dbdeb71b23f24a653"> 236</a></span> <span class="keyword">const</span> <span class="keywordtype">char</span>* <a class="code" href="context_8h.html#aadb26852b4ae4f0dbdeb71b23f24a653">pa_context_get_server</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00239"></a><span class="lineno"><a class="line" href="context_8h.html#a432d57298c3427cb689da200b6215f65"> 239</a></span> uint32_t <a class="code" href="context_8h.html#a432d57298c3427cb689da200b6215f65">pa_context_get_protocol_version</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00243"></a><span class="lineno"><a class="line" href="context_8h.html#aa9f80f44e8ab4d38d5c2db8c1c9f2e14"> 243</a></span> uint32_t <a class="code" href="context_8h.html#aa9f80f44e8ab4d38d5c2db8c1c9f2e14">pa_context_get_server_protocol_version</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c);</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  </div>
<div class="line"><a name="l00250"></a><span class="lineno"><a class="line" href="context_8h.html#aec6a2cc125cd928f922cbac182ad9285"> 250</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a> *<a class="code" href="context_8h.html#aec6a2cc125cd928f922cbac182ad9285">pa_context_proplist_update</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="proplist_8h.html#a0ee459091ad57018468fcf22350cbcf3">pa_update_mode_t</a> mode, <span class="keyword">const</span> <a class="code" href="proplist_8h.html#acdf756a6014b6fae3b358b2c934c3426">pa_proplist</a> *p, <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="l00251"></a><span class="lineno"> 251</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="context_8h.html#ae81552ae12b6609cd086e2c17b96299c"> 253</a></span> <a class="code" href="operation_8h.html#a5614a07f2e7a129e4cb16596ed452a0c">pa_operation</a> *<a class="code" href="context_8h.html#ae81552ae12b6609cd086e2c17b96299c">pa_context_proplist_remove</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *<span class="keyword">const</span> keys[], <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="l00254"></a><span class="lineno"> 254</span>  </div>
<div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="context_8h.html#ab3852113bb12906fa397c75b20436468"> 259</a></span> uint32_t <a class="code" href="context_8h.html#ab3852113bb12906fa397c75b20436468">pa_context_get_index</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *s);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
<div class="line"><a name="l00263"></a><span class="lineno"><a class="line" href="context_8h.html#ad4ad1afca666b4cb986b8603e1701709"> 263</a></span> <a class="code" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a>* <a class="code" href="context_8h.html#ad4ad1afca666b4cb986b8603e1701709">pa_context_rttime_new</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> usec, <a class="code" href="mainloop-api_8h.html#adbf3f332c476d00937c54d48ae1a0195">pa_time_event_cb_t</a> cb, <span class="keywordtype">void</span> *userdata);</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  </div>
<div class="line"><a name="l00267"></a><span class="lineno"><a class="line" href="context_8h.html#a626339eea96aef28fadc2b2576321386"> 267</a></span> <span class="keywordtype">void</span> <a class="code" href="context_8h.html#a626339eea96aef28fadc2b2576321386">pa_context_rttime_restart</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <a class="code" href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a> *e, <a class="code" href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a> usec);</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  </div>
<div class="line"><a name="l00283"></a><span class="lineno"><a class="line" href="context_8h.html#ac21c8f8e51e5cd432cafbe877da62d89"> 283</a></span> <span class="keywordtype">size_t</span> <a class="code" href="context_8h.html#ac21c8f8e51e5cd432cafbe877da62d89">pa_context_get_tile_size</a>(<span class="keyword">const</span> <a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <a class="code" href="structpa__sample__spec.html">pa_sample_spec</a> *ss);</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00291"></a><span class="lineno"><a class="line" href="context_8h.html#a5d3b9520e206d724c1e0c031879a3aa5"> 291</a></span> <span class="keywordtype">int</span> <a class="code" href="context_8h.html#a5d3b9520e206d724c1e0c031879a3aa5">pa_context_load_cookie_from_file</a>(<a class="code" href="context_8h.html#aff56e9b3dd442a88227da084bb5c380a">pa_context</a> *c, <span class="keyword">const</span> <span class="keywordtype">char</span> *cookie_file_path);</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> PA_C_DECL_END</div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  </div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="acontext_8h_html_a039e0805d8276906397d4f55c78f13f4"><div class="ttname"><a href="context_8h.html#a039e0805d8276906397d4f55c78f13f4">pa_context_event_cb_t</a></div><div class="ttdeci">void(* pa_context_event_cb_t)(pa_context *c, const char *name, pa_proplist *p, void *userdata)</div><div class="ttdoc">A callback for asynchronous meta/policy event messages.</div><div class="ttdef"><b>Definition:</b> context.h:167</div></div>
<div class="ttc" id="acontext_8h_html_a0710abf20bd14d140c77daded9b99dd1"><div class="ttname"><a href="context_8h.html#a0710abf20bd14d140c77daded9b99dd1">pa_context_set_default_sink</a></div><div class="ttdeci">pa_operation * pa_context_set_default_sink(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Set the name of the default sink.</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_a154b9d8057adfbb2cecfbd9406a27660"><div class="ttname"><a href="context_8h.html#a154b9d8057adfbb2cecfbd9406a27660">pa_context_disconnect</a></div><div class="ttdeci">void pa_context_disconnect(pa_context *c)</div><div class="ttdoc">Terminate the context connection immediately.</div></div>
<div class="ttc" id="acontext_8h_html_a19074e289d91ccae8dd58d15e912fc13"><div class="ttname"><a href="context_8h.html#a19074e289d91ccae8dd58d15e912fc13">pa_context_notify_cb_t</a></div><div class="ttdeci">void(* pa_context_notify_cb_t)(pa_context *c, void *userdata)</div><div class="ttdoc">Generic notification callback prototype.</div><div class="ttdef"><b>Definition:</b> context.h:157</div></div>
<div class="ttc" id="acontext_8h_html_a1b48896c8e591ffd59955615e28efdb1"><div class="ttname"><a href="context_8h.html#a1b48896c8e591ffd59955615e28efdb1">pa_context_is_local</a></div><div class="ttdeci">int pa_context_is_local(const pa_context *c)</div><div class="ttdoc">Returns 1 when the connection is to a local daemon.</div></div>
<div class="ttc" id="acontext_8h_html_a2784c754947a97f02c78b73d7b1c2d5f"><div class="ttname"><a href="context_8h.html#a2784c754947a97f02c78b73d7b1c2d5f">pa_context_new</a></div><div class="ttdeci">pa_context * pa_context_new(pa_mainloop_api *mainloop, const char *name)</div><div class="ttdoc">Instantiate a new connection context with an abstract mainloop API and an application name.</div></div>
<div class="ttc" id="acontext_8h_html_a344c4ccf14d6a8842e83154a0aa99311"><div class="ttname"><a href="context_8h.html#a344c4ccf14d6a8842e83154a0aa99311">pa_context_unref</a></div><div class="ttdeci">void pa_context_unref(pa_context *c)</div><div class="ttdoc">Decrease the reference counter of the context by one.</div></div>
<div class="ttc" id="acontext_8h_html_a432d57298c3427cb689da200b6215f65"><div class="ttname"><a href="context_8h.html#a432d57298c3427cb689da200b6215f65">pa_context_get_protocol_version</a></div><div class="ttdeci">uint32_t pa_context_get_protocol_version(const pa_context *c)</div><div class="ttdoc">Return the protocol version of the library.</div></div>
<div class="ttc" id="acontext_8h_html_a4b9c381945c1a2be972c90053e22f77e"><div class="ttname"><a href="context_8h.html#a4b9c381945c1a2be972c90053e22f77e">pa_context_is_pending</a></div><div class="ttdeci">int pa_context_is_pending(const pa_context *c)</div><div class="ttdoc">Return non-zero if some data is pending to be written to the connection.</div></div>
<div class="ttc" id="acontext_8h_html_a4ba151a2c3b6b469d0b8bb1f905d6589"><div class="ttname"><a href="context_8h.html#a4ba151a2c3b6b469d0b8bb1f905d6589">pa_context_ref</a></div><div class="ttdeci">pa_context * pa_context_ref(pa_context *c)</div><div class="ttdoc">Increase the reference counter of the context by one.</div></div>
<div class="ttc" id="acontext_8h_html_a5d3b9520e206d724c1e0c031879a3aa5"><div class="ttname"><a href="context_8h.html#a5d3b9520e206d724c1e0c031879a3aa5">pa_context_load_cookie_from_file</a></div><div class="ttdeci">int pa_context_load_cookie_from_file(pa_context *c, const char *cookie_file_path)</div><div class="ttdoc">Load the authentication cookie from a file.</div></div>
<div class="ttc" id="acontext_8h_html_a626339eea96aef28fadc2b2576321386"><div class="ttname"><a href="context_8h.html#a626339eea96aef28fadc2b2576321386">pa_context_rttime_restart</a></div><div class="ttdeci">void pa_context_rttime_restart(const pa_context *c, pa_time_event *e, pa_usec_t usec)</div><div class="ttdoc">Restart a running or expired timer event source (wrapper for mainloop->time_restart).</div></div>
<div class="ttc" id="acontext_8h_html_a663ad2acbf708102dc2deee2801f2441"><div class="ttname"><a href="context_8h.html#a663ad2acbf708102dc2deee2801f2441">pa_context_errno</a></div><div class="ttdeci">int pa_context_errno(const pa_context *c)</div><div class="ttdoc">Return the error number of the last failed operation.</div></div>
<div class="ttc" id="acontext_8h_html_a983ce13d45c5f4b0db8e1a34e21f9fce"><div class="ttname"><a href="context_8h.html#a983ce13d45c5f4b0db8e1a34e21f9fce">pa_context_connect</a></div><div class="ttdeci">int pa_context_connect(pa_context *c, const char *server, pa_context_flags_t flags, const pa_spawn_api *api)</div><div class="ttdoc">Connect the context to the specified server.</div></div>
<div class="ttc" id="acontext_8h_html_a9f664306d9e9be7603cd80e811b3c29a"><div class="ttname"><a href="context_8h.html#a9f664306d9e9be7603cd80e811b3c29a">pa_context_exit_daemon</a></div><div class="ttdeci">pa_operation * pa_context_exit_daemon(pa_context *c, pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Tell the daemon to exit.</div></div>
<div class="ttc" id="acontext_8h_html_aa9f80f44e8ab4d38d5c2db8c1c9f2e14"><div class="ttname"><a href="context_8h.html#aa9f80f44e8ab4d38d5c2db8c1c9f2e14">pa_context_get_server_protocol_version</a></div><div class="ttdeci">uint32_t pa_context_get_server_protocol_version(const pa_context *c)</div><div class="ttdoc">Return the protocol version of the connected server.</div></div>
<div class="ttc" id="acontext_8h_html_aadb26852b4ae4f0dbdeb71b23f24a653"><div class="ttname"><a href="context_8h.html#aadb26852b4ae4f0dbdeb71b23f24a653">pa_context_get_server</a></div><div class="ttdeci">const char * pa_context_get_server(const pa_context *c)</div><div class="ttdoc">Return the server name this context is connected to.</div></div>
<div class="ttc" id="acontext_8h_html_ab3852113bb12906fa397c75b20436468"><div class="ttname"><a href="context_8h.html#ab3852113bb12906fa397c75b20436468">pa_context_get_index</a></div><div class="ttdeci">uint32_t pa_context_get_index(const pa_context *s)</div><div class="ttdoc">Return the client index this context is identified in the server with.</div></div>
<div class="ttc" id="acontext_8h_html_ab94b42b05c233e010432888b7c496c50"><div class="ttname"><a href="context_8h.html#ab94b42b05c233e010432888b7c496c50">pa_context_drain</a></div><div class="ttdeci">pa_operation * pa_context_drain(pa_context *c, pa_context_notify_cb_t cb, void *userdata)</div><div class="ttdoc">Drain the context.</div></div>
<div class="ttc" id="acontext_8h_html_ac21c8f8e51e5cd432cafbe877da62d89"><div class="ttname"><a href="context_8h.html#ac21c8f8e51e5cd432cafbe877da62d89">pa_context_get_tile_size</a></div><div class="ttdeci">size_t pa_context_get_tile_size(const pa_context *c, const pa_sample_spec *ss)</div><div class="ttdoc">Return the optimal block size for passing around audio buffers.</div></div>
<div class="ttc" id="acontext_8h_html_ac4b3e8eaac460fb1b8109b0e3689c510"><div class="ttname"><a href="context_8h.html#ac4b3e8eaac460fb1b8109b0e3689c510">pa_context_set_event_callback</a></div><div class="ttdeci">void pa_context_set_event_callback(pa_context *p, pa_context_event_cb_t cb, void *userdata)</div><div class="ttdoc">Set a callback function that is called whenever a meta/policy control event is received.</div></div>
<div class="ttc" id="acontext_8h_html_ac70ec892113745dc85d4045234fd0a33"><div class="ttname"><a href="context_8h.html#ac70ec892113745dc85d4045234fd0a33">pa_context_set_default_source</a></div><div class="ttdeci">pa_operation * pa_context_set_default_source(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Set the name of the default source.</div></div>
<div class="ttc" id="acontext_8h_html_ad04bdd7745aa70a374bdafd3dc717211"><div class="ttname"><a href="context_8h.html#ad04bdd7745aa70a374bdafd3dc717211">pa_context_new_with_proplist</a></div><div class="ttdeci">pa_context * pa_context_new_with_proplist(pa_mainloop_api *mainloop, const char *name, const pa_proplist *proplist)</div><div class="ttdoc">Instantiate a new connection context with an abstract mainloop API and an application name,...</div></div>
<div class="ttc" id="acontext_8h_html_ad4ad1afca666b4cb986b8603e1701709"><div class="ttname"><a href="context_8h.html#ad4ad1afca666b4cb986b8603e1701709">pa_context_rttime_new</a></div><div class="ttdeci">pa_time_event * pa_context_rttime_new(const pa_context *c, pa_usec_t usec, pa_time_event_cb_t cb, void *userdata)</div><div class="ttdoc">Create a new timer event source for the specified time (wrapper for mainloop->time_new).</div></div>
<div class="ttc" id="acontext_8h_html_ad6017a90c6669856a0196ca96b0f2d35"><div class="ttname"><a href="context_8h.html#ad6017a90c6669856a0196ca96b0f2d35">pa_context_get_state</a></div><div class="ttdeci">pa_context_state_t pa_context_get_state(const pa_context *c)</div><div class="ttdoc">Return the current context status.</div></div>
<div class="ttc" id="acontext_8h_html_ae50c0e777b009d2bdcd32a07a91b735a"><div class="ttname"><a href="context_8h.html#ae50c0e777b009d2bdcd32a07a91b735a">pa_context_set_name</a></div><div class="ttdeci">pa_operation * pa_context_set_name(pa_context *c, const char *name, pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Set a different application name for context on the server.</div></div>
<div class="ttc" id="acontext_8h_html_ae81552ae12b6609cd086e2c17b96299c"><div class="ttname"><a href="context_8h.html#ae81552ae12b6609cd086e2c17b96299c">pa_context_proplist_remove</a></div><div class="ttdeci">pa_operation * pa_context_proplist_remove(pa_context *c, const char *const keys[], pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Update the property list of the client, remove entries.</div></div>
<div class="ttc" id="acontext_8h_html_aeb7b395fd3a345fc181d6bfcdbe5f3d8"><div class="ttname"><a href="context_8h.html#aeb7b395fd3a345fc181d6bfcdbe5f3d8">pa_context_set_state_callback</a></div><div class="ttdeci">void pa_context_set_state_callback(pa_context *c, pa_context_notify_cb_t cb, void *userdata)</div><div class="ttdoc">Set a callback function that is called whenever the context status changes.</div></div>
<div class="ttc" id="acontext_8h_html_aec6a2cc125cd928f922cbac182ad9285"><div class="ttname"><a href="context_8h.html#aec6a2cc125cd928f922cbac182ad9285">pa_context_proplist_update</a></div><div class="ttdeci">pa_operation * pa_context_proplist_update(pa_context *c, pa_update_mode_t mode, const pa_proplist *p, pa_context_success_cb_t cb, void *userdata)</div><div class="ttdoc">Update the property list of the client, adding new entries.</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_a71be6ff0b2fdd107b0312088b377b22a"><div class="ttname"><a href="def_8h.html#a71be6ff0b2fdd107b0312088b377b22a">pa_context_flags_t</a></div><div class="ttdeci">enum pa_context_flags pa_context_flags_t</div><div class="ttdoc">Some special flags for contexts.</div></div>
<div class="ttc" id="adef_8h_html_ad8df7d93ddff4a97c616dfea33ed7aab"><div class="ttname"><a href="def_8h.html#ad8df7d93ddff4a97c616dfea33ed7aab">pa_context_state_t</a></div><div class="ttdeci">enum pa_context_state pa_context_state_t</div><div class="ttdoc">The state of a connection context.</div></div>
<div class="ttc" id="amainloop-api_8h_html"><div class="ttname"><a href="mainloop-api_8h.html">mainloop-api.h</a></div><div class="ttdoc">Main loop abstraction layer.</div></div>
<div class="ttc" id="amainloop-api_8h_html_a45b1a5f366caddb669789d5e69338f06"><div class="ttname"><a href="mainloop-api_8h.html#a45b1a5f366caddb669789d5e69338f06">pa_time_event</a></div><div class="ttdeci">struct pa_time_event pa_time_event</div><div class="ttdoc">An opaque timer event source object.</div><div class="ttdef"><b>Definition:</b> mainloop-api.h:73</div></div>
<div class="ttc" id="amainloop-api_8h_html_adbf3f332c476d00937c54d48ae1a0195"><div class="ttname"><a href="mainloop-api_8h.html#adbf3f332c476d00937c54d48ae1a0195">pa_time_event_cb_t</a></div><div class="ttdeci">void(* pa_time_event_cb_t)(pa_mainloop_api *a, pa_time_event *e, const struct timeval *tv, void *userdata)</div><div class="ttdoc">A time event callback prototype.</div><div class="ttdef"><b>Definition:</b> mainloop-api.h:75</div></div>
<div class="ttc" id="aoperation_8h_html"><div class="ttname"><a href="operation_8h.html">operation.h</a></div><div class="ttdoc">Asynchronous operations.</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="aproplist_8h_html"><div class="ttname"><a href="proplist_8h.html">proplist.h</a></div><div class="ttdoc">Property list constants and functions.</div></div>
<div class="ttc" id="aproplist_8h_html_a0ee459091ad57018468fcf22350cbcf3"><div class="ttname"><a href="proplist_8h.html#a0ee459091ad57018468fcf22350cbcf3">pa_update_mode_t</a></div><div class="ttdeci">enum pa_update_mode pa_update_mode_t</div><div class="ttdoc">Update mode enum for pa_proplist_update().</div></div>
<div class="ttc" id="aproplist_8h_html_acdf756a6014b6fae3b358b2c934c3426"><div class="ttname"><a href="proplist_8h.html#acdf756a6014b6fae3b358b2c934c3426">pa_proplist</a></div><div class="ttdeci">struct pa_proplist pa_proplist</div><div class="ttdoc">A property list object.</div><div class="ttdef"><b>Definition:</b> proplist.h:278</div></div>
<div class="ttc" id="asample_8h_html"><div class="ttname"><a href="sample_8h.html">sample.h</a></div><div class="ttdoc">Constants and routines for sample type handling.</div></div>
<div class="ttc" id="asample_8h_html_a885df3b973773f0dccbbec6bc6777f89"><div class="ttname"><a href="sample_8h.html#a885df3b973773f0dccbbec6bc6777f89">pa_usec_t</a></div><div class="ttdeci">uint64_t pa_usec_t</div><div class="ttdoc">Type for usec specifications (unsigned).</div><div class="ttdef"><b>Definition:</b> sample.h:264</div></div>
<div class="ttc" id="astructpa__mainloop__api_html"><div class="ttname"><a href="structpa__mainloop__api.html">pa_mainloop_api</a></div><div class="ttdoc">An abstract mainloop API vtable.</div><div class="ttdef"><b>Definition:</b> mainloop-api.h:87</div></div>
<div class="ttc" id="astructpa__sample__spec_html"><div class="ttname"><a href="structpa__sample__spec.html">pa_sample_spec</a></div><div class="ttdoc">A sample format and attribute specification.</div><div class="ttdef"><b>Definition:</b> sample.h:252</div></div>
<div class="ttc" id="astructpa__spawn__api_html"><div class="ttname"><a href="structpa__spawn__api.html">pa_spawn_api</a></div><div class="ttdoc">A structure for the spawn api.</div><div class="ttdef"><b>Definition:</b> def.h:757</div></div>
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