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   103 

   104 <h1 class="title">all the steps to add a device to open-al</h1>

   105 <div class="author">Written by <author>Robert McIntyre</author></div>

   106 

   107 

   108 

   109 

   110 

   111 

   112 

   113 <div id="table-of-contents">

   114 <h2>Table of Contents</h2>

   115 <div id="text-table-of-contents">

   116 <ul>

   117 <li><a href="#sec-1">1 How to add a new backend device </a></li>

   118 <li><a href="#sec-2">2 In Alc/backends/&lt;your-device&gt;.c </a></li>

   119 <li><a href="#sec-3">3 In OpenAL32/Include/alMain.h : </a></li>

   120 <li><a href="#sec-4">4 In Alc/ALc.c : </a></li>

   121 <li><a href="#sec-5">5 In CMakeLists.txt </a></li>

   122 <li><a href="#sec-6">6 In ~/.alsoftrc </a></li>

   123 </ul>

   124 </div>

   125 </div>

   126 

   127 <div id="outline-container-1" class="outline-2">

   128 <h2 id="sec-1"><span class="section-number-2">1</span> How to add a new backend device </h2>

   129 <div class="outline-text-2" id="text-1">

   130 

   131 

   132 </div>

   133 

   134 </div>

   135 

   136 <div id="outline-container-2" class="outline-2">

   137 <h2 id="sec-2"><span class="section-number-2">2</span> In Alc/backends/&lt;your-device&gt;.c </h2>

   138 <div class="outline-text-2" id="text-2">

   139 

   140 

   141 

   142 

   143 

   144 <pre class="src src-C"><span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #f0dfaf; font-weight: bold;">const</span> <span style="color: #dfdfbf; font-weight: bold;">ALCchar</span> &lt;your-device&gt;_device[] = &lt;your-device-name&gt;;

   145 

   146 <span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> <span style="color: #f0dfaf;">alc_</span>&lt;your-device&gt;_init(BackendFuncs *func_list)

   147 <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">alc_</span>&lt;your-device&gt;_deinit(<span style="color: #dfdfbf; font-weight: bold;">void</span>)

   148 

   149 <span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> &lt;your-device&gt;_open_playback(ALCdevice *device, <span style="color: #f0dfaf; font-weight: bold;">const</span> <span style="color: #dfdfbf; font-weight: bold;">ALCchar</span> *<span style="color: #f0dfaf;">deviceName</span>)

   150 <span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> &lt;your-device&gt;_close_playback(ALCdevice *device)

   151 <span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> &lt;your-device&gt;_reset_playback(ALCdevice *device)

   152 <span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> &lt;your-device&gt;_stop_playback(ALCdevice *device)

   153 </pre>

   154 

   155 

   156 

   157 

   158 

   159 <pre class="src src-C"><span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">alc_</span>&lt;your-device&gt;_probe(<span style="color: #f0dfaf; font-weight: bold;">enum</span> <span style="color: #dfdfbf; font-weight: bold;">DevProbe</span> <span style="color: #f0dfaf;">type</span>)

   160 {

   161     <span style="color: #f0dfaf; font-weight: bold;">switch</span>(type)

   162     {

   163         <span style="color: #f0dfaf; font-weight: bold;">case</span> DEVICE_PROBE:

   164             AppendDeviceList(&lt;your-device&gt;Device);

   165             <span style="color: #f0dfaf; font-weight: bold;">break</span>;

   166         <span style="color: #f0dfaf; font-weight: bold;">case</span> ALL_DEVICE_PROBE:

   167             AppendAllDeviceList(&lt;your-device&gt;Device);

   168             <span style="color: #f0dfaf; font-weight: bold;">break</span>;

   169         <span style="color: #f0dfaf; font-weight: bold;">case</span> CAPTURE_DEVICE_PROBE:

   170             <span style="color: #f0dfaf; font-weight: bold;">break</span>;

   171     }

   172 }

   173 </pre>

   174 

   175 

   176 

   177 

   178 

   179 <pre class="src src-C"><span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #f0dfaf; font-weight: bold;">const</span> <span style="color: #dfdfbf; font-weight: bold;">BackendFuncs</span> &lt;your-device&gt;_funcs = {

   180     &lt;your-device&gt;_open_playback,

   181     &lt;your-device&gt;_close_playback,

   182     &lt;your-device&gt;_reset_playback,

   183     &lt;your-device&gt;_stop_playback,

   184     <span style="color: #dca3a3; font-weight: bold;">NULL</span>,

   185     <span style="color: #dca3a3; font-weight: bold;">NULL</span>,

   186     <span style="color: #dca3a3; font-weight: bold;">NULL</span>,

   187     <span style="color: #dca3a3; font-weight: bold;">NULL</span>,

   188     <span style="color: #dca3a3; font-weight: bold;">NULL</span>,

   189     <span style="color: #dca3a3; font-weight: bold;">NULL</span>

   190 };

   191 </pre>

   192 

   193 

   194 

   195 

   196 

   197 </div>

   198 

   199 </div>

   200 

   201 <div id="outline-container-3" class="outline-2">

   202 <h2 id="sec-3"><span class="section-number-2">3</span> In OpenAL32/Include/alMain.h : </h2>

   203 <div class="outline-text-2" id="text-3">

   204 

   205 

   206 

   207 

   208 

   209 <pre class="src src-C"><span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> <span style="color: #f0dfaf;">alc_</span>&lt;your-device&gt;_init(BackendFuncs *func_list);

   210 <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">alc_</span>&lt;your-device&gt;_deinit(<span style="color: #dfdfbf; font-weight: bold;">void</span>);

   211 <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">alc_</span>&lt;your-device&gt;_probe(<span style="color: #f0dfaf; font-weight: bold;">enum</span> <span style="color: #dfdfbf; font-weight: bold;">DevProbe</span> <span style="color: #f0dfaf;">type</span>);

   212 

   213 </pre>

   214 

   215 

   216 

   217 

   218 </div>

   219 

   220 </div>

   221 

   222 <div id="outline-container-4" class="outline-2">

   223 <h2 id="sec-4"><span class="section-number-2">4</span> In Alc/ALc.c : </h2>

   224 <div class="outline-text-2" id="text-4">

   225 

   226 

   227 

   228 

   229 <pre class="src src-C">     { <span style="color: #cc9393;">"&lt;your-device&gt;"</span>, alc_&lt;your-device&gt;_init, 

   230          alc_&lt;your-device&gt;_deinit, alc_&lt;your-device&gt;_probe, EmptyFuncs },

   231 

   232 </pre>

   233 

   234 

   235 

   236 

   237 </div>

   238 

   239 </div>

   240 

   241 <div id="outline-container-5" class="outline-2">

   242 <h2 id="sec-5"><span class="section-number-2">5</span> In CMakeLists.txt </h2>

   243 <div class="outline-text-2" id="text-5">

   244 

   245 

   246 

   247 

   248 <pre class="src src-cmake">SET(ALC_OBJS  Alc/ALc.c

   249               Alc/ALu.c

   250               Alc/alcConfig.c

   251               Alc/alcDedicated.c

   252               Alc/alcEcho.c

   253               Alc/alcModulator.c

   254               Alc/alcReverb.c

   255               Alc/alcRing.c

   256               Alc/alcThread.c

   257               Alc/bs2b.c

   258               Alc/helpers.c

   259               Alc/hrtf.c

   260               Alc/mixer.c

   261               Alc/panning.c

   262               # Default backends, always available

   263               Alc/backends/loopback.c

   264               Alc/backends/null.c

   265               # : add &lt;your-device&gt; device

   266               Alc/backends/&lt;your-device&gt;.c

   267 )

   268 </pre>

   269 

   270 

   271 

   272 

   273 

   274 </div>

   275 

   276 </div>

   277 

   278 <div id="outline-container-6" class="outline-2">

   279 <h2 id="sec-6"><span class="section-number-2">6</span> In ~/.alsoftrc </h2>

   280 <div class="outline-text-2" id="text-6">

   281 

   282 

   283 

   284 

   285 

   286 <pre class="src src-conf"><span style="color: #f0dfaf;">drivers</span> = &lt;your-device&gt;

   287 </pre>

   288 

   289 

   290 

   291 </div>

   292 </div>

   293 <div id="postamble">

   294 <p class="date">Date: 2011-10-20 15:48:47 MST</p>

   295 <p class="author">Author: Robert McIntyre</p>

   296 <p class="creator">Org version 7.6 with Emacs version 23</p>

   297 <a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a>

   298 </div>

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author	Robert McIntyre <rlm@mit.edu>
date	Tue, 25 Oct 2011 13:02:31 -0700
parents
children	3caceef436ea