Mercurial > audio-send

     1 <?xml version="1.0" encoding="utf-8"?>

     2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

     3                "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

     4 <html xmlns="http://www.w3.org/1999/xhtml"

     5 lang="en" xml:lang="en">

     6 <head>

     7 <title>all the steps to add a device to open-al</title>

     8 <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>

     9 <meta name="generator" content="Org-mode"/>

    10 <meta name="generated" content="2011-10-20 15:48:47 MST"/>

    11 <meta name="author" content="Robert McIntyre"/>

    12 <meta name="description" content="how to add a new device to open-al"/>

    13 <meta name="keywords" content=""/>

    14 <style type="text/css">

    15  <!--/*--><![CDATA[/*><!--*/

    16   html { font-family: Times, serif; font-size: 12pt; }

    17   .title  { text-align: center; }

    18   .todo   { color: red; }

    19   .done   { color: green; }

    20   .tag    { background-color: #add8e6; font-weight:normal }

    21   .target { }

    22   .timestamp { color: #bebebe; }

    23   .timestamp-kwd { color: #5f9ea0; }

    24   .right  {margin-left:auto; margin-right:0px;  text-align:right;}

    25   .left   {margin-left:0px;  margin-right:auto; text-align:left;}

    26   .center {margin-left:auto; margin-right:auto; text-align:center;}

    27   p.verse { margin-left: 3% }

    28   pre {

    29 	border: 1pt solid #AEBDCC;

    30 	background-color: #F3F5F7;

    31 	padding: 5pt;

    32 	font-family: courier, monospace;

    33         font-size: 90%;

    34         overflow:auto;

    35   }

    36   table { border-collapse: collapse; }

    37   td, th { vertical-align: top;  }

    38   th.right  { text-align:center;  }

    39   th.left   { text-align:center;   }

    40   th.center { text-align:center; }

    41   td.right  { text-align:right;  }

    42   td.left   { text-align:left;   }

    43   td.center { text-align:center; }

    44   dt { font-weight: bold; }

    45   div.figure { padding: 0.5em; }

    46   div.figure p { text-align: center; }

    47   textarea { overflow-x: auto; }

    48   .linenr { font-size:smaller }

    49   .code-highlighted {background-color:#ffff00;}

    50   .org-info-js_info-navigation { border-style:none; }

    51   #org-info-js_console-label { font-size:10px; font-weight:bold;

    52                                white-space:nowrap; }

    53   .org-info-js_search-highlight {background-color:#ffff00; color:#000000;

    54                                  font-weight:bold; }

    55   /*]]>*/-->

    56 </style>

    57 <link rel="stylesheet" type="text/css" href="/aurellem/css/aurellem.css" />

    58 <script type="text/javascript">

    59 <!--/*--><![CDATA[/*><!--*/

    60  function CodeHighlightOn(elem, id)

    61  {

    62    var target = document.getElementById(id);

    63    if(null != target) {

    64      elem.cacheClassElem = elem.className;

    65      elem.cacheClassTarget = target.className;

    66      target.className = "code-highlighted";

    67      elem.className   = "code-highlighted";

    68    }

    69  }

    70  function CodeHighlightOff(elem, id)

    71  {

    72    var target = document.getElementById(id);

    73    if(elem.cacheClassElem)

    74      elem.className = elem.cacheClassElem;

    75    if(elem.cacheClassTarget)

    76      target.className = elem.cacheClassTarget;

    77  }

    78 /*]]>*///-->

    79 </script>

    80 

    81 </head>

    82 <body>

    83 

    84 <div id="content">

    85 

    86 

    87 

    88 <div class="header">

    89   <div class="float-right">	

    90     <!-- 

    91     <form>

    92       <input type="text"/><input type="submit" value="search the blog &raquo;"/> 

    93     </form>

    94     -->

    95   </div>

    96 

    97   <h1>aurellem <em>&#x2609;</em></h1>

    98   <ul class="nav">

    99     <li><a href="/">read the blog &raquo;</a></li>

   100     <!-- li><a href="#">learn about us &raquo;</a></li-->

   101   </ul>

   102 </div>

   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>

   299 </div>

   300 </body>

   301 </html>
author	Robert McIntyre <rlm@mit.edu>
date	Thu, 27 Oct 2011 02:47:28 -0700
parents	f9476ff7637e
children	3caceef436ea