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initial forking of open-al to create multiple listeners
author Robert McIntyre <rlm@mit.edu>
date Tue, 25 Oct 2011 13:02:31 -0700
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/html/send.html	Tue Oct 25 13:02:31 2011 -0700
     1.3 @@ -0,0 +1,599 @@
     1.4 +<?xml version="1.0" encoding="utf-8"?>
     1.5 +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
     1.6 +               "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
     1.7 +<html xmlns="http://www.w3.org/1999/xhtml"
     1.8 +lang="en" xml:lang="en">
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   1.106 +
   1.107 +<h1 class="title">send.c</h1>
   1.108 +<div class="author">Written by <author>Robert McIntyre</author></div>
   1.109 +
   1.110 +
   1.111 +
   1.112 +
   1.113 +
   1.114 +
   1.115 +
   1.116 +<pre class="src src-C"><span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"config.h"</span>
   1.117 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">&lt;stdlib.h&gt;</span>
   1.118 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"alMain.h"</span>
   1.119 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"AL/al.h"</span>
   1.120 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"AL/alc.h"</span>
   1.121 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"alSource.h"</span>
   1.122 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">&lt;jni.h&gt;</span>
   1.123 +
   1.124 +<span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">Summary</span>
   1.125 +
   1.126 +<span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">send_data</span>;
   1.127 +<span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">context_data</span>;
   1.128 +
   1.129 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">addContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *);
   1.130 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncContexts</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">master</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">slave</span>);
   1.131 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncSources</span>(<span style="color: #dfdfbf; font-weight: bold;">ALsource</span> *<span style="color: #f0dfaf;">master</span>, <span style="color: #dfdfbf; font-weight: bold;">ALsource</span> *<span style="color: #f0dfaf;">slave</span>, 
   1.132 +                        <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterCtx</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">slaveCtx</span>);
   1.133 +
   1.134 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncSourcei</span>(<span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">master</span>, <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">slave</span>,
   1.135 +                        <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterCtx</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx2</span>, <span style="color: #dfdfbf; font-weight: bold;">ALenum</span> <span style="color: #f0dfaf;">param</span>);
   1.136 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncSourcef</span>(<span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">master</span>, <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">slave</span>,
   1.137 +                        <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterCtx</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx2</span>, <span style="color: #dfdfbf; font-weight: bold;">ALenum</span> <span style="color: #f0dfaf;">param</span>);
   1.138 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncSource3f</span>(<span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">master</span>, <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">slave</span>,
   1.139 +                        <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterCtx</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx2</span>, <span style="color: #dfdfbf; font-weight: bold;">ALenum</span> <span style="color: #f0dfaf;">param</span>);
   1.140 +
   1.141 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">swapInContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *, <span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *);
   1.142 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">saveContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *, <span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *);
   1.143 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">limitContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *);
   1.144 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">unLimitContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *);
   1.145 +
   1.146 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">init</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *);
   1.147 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">renderData</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *, <span style="color: #dfdfbf; font-weight: bold;">int</span> <span style="color: #f0dfaf;">samples</span>);
   1.148 +
   1.149 +<span style="color: #8cd0d3;">#define</span> <span style="color: #f0dfaf;">UNUSED</span>(<span style="color: #f0dfaf;">x</span>)  (<span style="color: #dfdfbf; font-weight: bold;">void</span>)(x)
   1.150 +
   1.151 +<span style="color: #708070;">////////////////////  </span><span style="color: #7f9f7f;">State</span>
   1.152 +
   1.153 +<span style="color: #f0dfaf; font-weight: bold;">typedef</span> <span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">context_data</span> {
   1.154 +  <span style="color: #dfdfbf; font-weight: bold;">ALfloat</span> <span style="color: #f0dfaf;">ClickRemoval</span>[MAXCHANNELS];
   1.155 +  <span style="color: #dfdfbf; font-weight: bold;">ALfloat</span> <span style="color: #f0dfaf;">PendingClicks</span>[MAXCHANNELS];
   1.156 +  <span style="color: #dfdfbf; font-weight: bold;">ALvoid</span> *<span style="color: #f0dfaf;">renderBuffer</span>;
   1.157 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx</span>;
   1.158 +} <span style="color: #f0dfaf;">context_data</span>;
   1.159 +
   1.160 +<span style="color: #f0dfaf; font-weight: bold;">typedef</span> <span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">send_data</span> {
   1.161 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">size</span>;
   1.162 +  <span style="color: #dfdfbf; font-weight: bold;">context_data</span> **<span style="color: #f0dfaf;">contexts</span>;
   1.163 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numContexts</span>;
   1.164 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">maxContexts</span>;
   1.165 +} <span style="color: #f0dfaf;">send_data</span>;
   1.166 +
   1.167 +
   1.168 +
   1.169 +<span style="color: #708070;">////////////////////  </span><span style="color: #7f9f7f;">Context Creation / Synchronization</span>
   1.170 +
   1.171 +<span style="color: #8cd0d3;">#define</span> <span style="color: #f0dfaf;">_MAKE_SYNC</span>(<span style="color: #f0dfaf;">NAME</span>, <span style="color: #f0dfaf;">INIT_EXPR</span>, <span style="color: #f0dfaf;">GET_EXPR</span>, <span style="color: #f0dfaf;">SET_EXPR</span>) \
   1.172 +  <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">NAME</span> (<span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">sourceID1</span>, <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">sourceID2</span>,        \
   1.173 +             <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx1</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx2</span>,        \
   1.174 +             <span style="color: #dfdfbf; font-weight: bold;">ALenum</span> <span style="color: #f0dfaf;">param</span>){                             \
   1.175 +    INIT_EXPR;                                          \
   1.176 +    <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();       \
   1.177 +    alcMakeContextCurrent(ctx1);                        \
   1.178 +    GET_EXPR;                                           \
   1.179 +    alcMakeContextCurrent(ctx2);                        \
   1.180 +    SET_EXPR;                                           \
   1.181 +    alcMakeContextCurrent(current);                     \
   1.182 +  }
   1.183 +  
   1.184 +<span style="color: #8cd0d3;">#define</span> <span style="color: #f0dfaf;">MAKE_SYNC</span>(<span style="color: #f0dfaf;">NAME</span>, <span style="color: #f0dfaf;">TYPE</span>, <span style="color: #f0dfaf;">GET</span>, <span style="color: #f0dfaf;">SET</span>)                 \
   1.185 +  _MAKE_SYNC(NAME,                                      \
   1.186 +             <span style="color: #dfdfbf; font-weight: bold;">TYPE</span> <span style="color: #f0dfaf;">value</span>,                                \
   1.187 +             GET(sourceID1, param, &amp;value),             \
   1.188 +             SET(sourceID2, param, value))
   1.189 +  
   1.190 +<span style="color: #8cd0d3;">#define</span> <span style="color: #f0dfaf;">MAKE_SYNC3</span>(<span style="color: #f0dfaf;">NAME</span>, <span style="color: #f0dfaf;">TYPE</span>, <span style="color: #f0dfaf;">GET</span>, <span style="color: #f0dfaf;">SET</span>)                                \
   1.191 +  _MAKE_SYNC(NAME,                                                      \
   1.192 +             <span style="color: #dfdfbf; font-weight: bold;">TYPE</span> <span style="color: #f0dfaf;">value1</span>; <span style="color: #dfdfbf; font-weight: bold;">TYPE</span> <span style="color: #f0dfaf;">value2</span>; <span style="color: #dfdfbf; font-weight: bold;">TYPE</span> <span style="color: #f0dfaf;">value3</span>;,                    \
   1.193 +             GET(sourceID1, param, &amp;value1, &amp;value2, &amp;value3),          \
   1.194 +             SET(sourceID2, param,  value1,  value2,  value3))
   1.195 +
   1.196 +MAKE_SYNC( syncSourcei,  ALint,   alGetSourcei,  alSourcei);
   1.197 +MAKE_SYNC( syncSourcef,  ALfloat, alGetSourcef,  alSourcef);
   1.198 +MAKE_SYNC3(syncSource3i, ALint,   alGetSource3i, alSource3i);
   1.199 +MAKE_SYNC3(syncSource3f, ALfloat, alGetSource3f, alSource3f);
   1.200 +  
   1.201 +<span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncSources</span>(<span style="color: #dfdfbf; font-weight: bold;">ALsource</span> *<span style="color: #f0dfaf;">masterSource</span>, <span style="color: #dfdfbf; font-weight: bold;">ALsource</span> *<span style="color: #f0dfaf;">slaveSource</span>, 
   1.202 +                 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterCtx</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">slaveCtx</span>){
   1.203 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">master</span> = masterSource-&gt;source;
   1.204 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">slave</span> = slaveSource-&gt;source;
   1.205 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
   1.206 +
   1.207 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_PITCH);
   1.208 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_GAIN);
   1.209 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_MAX_DISTANCE);
   1.210 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_ROLLOFF_FACTOR);
   1.211 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_REFERENCE_DISTANCE);
   1.212 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_MIN_GAIN);
   1.213 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_MAX_GAIN);
   1.214 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_CONE_OUTER_GAIN);
   1.215 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_CONE_INNER_ANGLE);
   1.216 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_CONE_OUTER_ANGLE);
   1.217 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_SEC_OFFSET);
   1.218 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_SAMPLE_OFFSET);
   1.219 +  syncSourcef(master,slave,masterCtx,slaveCtx,AL_BYTE_OFFSET);
   1.220 +    
   1.221 +  syncSource3f(master,slave,masterCtx,slaveCtx,AL_POSITION);
   1.222 +  syncSource3f(master,slave,masterCtx,slaveCtx,AL_VELOCITY);
   1.223 +  syncSource3f(master,slave,masterCtx,slaveCtx,AL_DIRECTION);
   1.224 +  
   1.225 +  syncSourcei(master,slave,masterCtx,slaveCtx,AL_SOURCE_RELATIVE);
   1.226 +  syncSourcei(master,slave,masterCtx,slaveCtx,AL_LOOPING);
   1.227 +
   1.228 +  alcMakeContextCurrent(masterCtx);
   1.229 +  <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">source_type</span>;
   1.230 +  alGetSourcei(master, AL_SOURCE_TYPE, &amp;source_type);
   1.231 +
   1.232 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Only static sources are currently synchronized! </span>
   1.233 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> (AL_STATIC == source_type){
   1.234 +    <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">master_buffer</span>;
   1.235 +    <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">slave_buffer</span>;
   1.236 +    alGetSourcei(master, AL_BUFFER, &amp;master_buffer);
   1.237 +    alcMakeContextCurrent(slaveCtx);
   1.238 +    alGetSourcei(slave, AL_BUFFER, &amp;slave_buffer);
   1.239 +    <span style="color: #f0dfaf; font-weight: bold;">if</span> (master_buffer != slave_buffer){
   1.240 +      alSourcei(slave, AL_BUFFER, master_buffer);
   1.241 +    }
   1.242 +  }
   1.243 +  
   1.244 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Synchronize the state of the two sources.</span>
   1.245 +  alcMakeContextCurrent(masterCtx);
   1.246 +  <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">masterState</span>;
   1.247 +  <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">slaveState</span>;
   1.248 +
   1.249 +  alGetSourcei(master, AL_SOURCE_STATE, &amp;masterState);
   1.250 +  alcMakeContextCurrent(slaveCtx);
   1.251 +  alGetSourcei(slave, AL_SOURCE_STATE, &amp;slaveState);
   1.252 +
   1.253 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> (masterState != slaveState){
   1.254 +    <span style="color: #f0dfaf; font-weight: bold;">switch</span> (masterState){
   1.255 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_INITIAL : alSourceRewind(slave); <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.256 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_PLAYING : alSourcePlay(slave);   <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.257 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_PAUSED  : alSourcePause(slave);  <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.258 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_STOPPED : alSourceStop(slave);   <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.259 +    }
   1.260 +  }
   1.261 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Restore whatever context was previously active.</span>
   1.262 +  alcMakeContextCurrent(current);
   1.263 +}
   1.264 +
   1.265 +
   1.266 +<span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">syncContexts</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">master</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">slave</span>){
   1.267 +  <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">If there aren't sufficient sources in slave to mirror </span>
   1.268 +<span style="color: #7f9f7f;">     the sources in master, create them. </span><span style="color: #708070;">*/</span>
   1.269 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
   1.270 +
   1.271 +  <span style="color: #dfdfbf; font-weight: bold;">UIntMap</span> *<span style="color: #f0dfaf;">masterSourceMap</span> = &amp;(master-&gt;SourceMap);
   1.272 +  <span style="color: #dfdfbf; font-weight: bold;">UIntMap</span> *<span style="color: #f0dfaf;">slaveSourceMap</span> = &amp;(slave-&gt;SourceMap);
   1.273 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numMasterSources</span> = masterSourceMap-&gt;size;
   1.274 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numSlaveSources</span> = slaveSourceMap-&gt;size;
   1.275 +
   1.276 +  alcMakeContextCurrent(slave);
   1.277 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> (numSlaveSources &lt; numMasterSources){
   1.278 +    <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numMissingSources</span> = numMasterSources - numSlaveSources;
   1.279 +    <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">newSources</span>[numMissingSources];
   1.280 +    alGenSources(numMissingSources, newSources);
   1.281 +  }
   1.282 +
   1.283 +  <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">Now, slave is gauranteed to have at least as many sources</span>
   1.284 +<span style="color: #7f9f7f;">     as master.  Sync each source from master to the corresponding</span>
   1.285 +<span style="color: #7f9f7f;">     source in slave. </span><span style="color: #708070;">*/</span>
   1.286 +  <span style="color: #dfdfbf; font-weight: bold;">int</span> <span style="color: #f0dfaf;">i</span>;
   1.287 +  <span style="color: #f0dfaf; font-weight: bold;">for</span>(i = 0; i &lt; masterSourceMap-&gt;size; i++){
   1.288 +    syncSources((<span style="color: #dfdfbf; font-weight: bold;">ALsource</span>*)masterSourceMap-&gt;array[i].value,
   1.289 +                (<span style="color: #dfdfbf; font-weight: bold;">ALsource</span>*)slaveSourceMap-&gt;array[i].value,
   1.290 +                master, slave);
   1.291 +  }
   1.292 +  alcMakeContextCurrent(current);
   1.293 +}
   1.294 +
   1.295 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">addContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">context</span>){
   1.296 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)Device-&gt;ExtraData;
   1.297 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">expand array if necessary</span>
   1.298 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> (data-&gt;numContexts &gt;= data-&gt;maxContexts){
   1.299 +    <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">newMaxContexts</span> = data-&gt;maxContexts*2 + 1;
   1.300 +    data-&gt;contexts = realloc(data-&gt;contexts, newMaxContexts*<span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(context_data));
   1.301 +    data-&gt;maxContexts = newMaxContexts;
   1.302 +  }
   1.303 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">create context_data and add it to the main array</span>
   1.304 +  <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span>;
   1.305 +  ctxData = (<span style="color: #dfdfbf; font-weight: bold;">context_data</span>*)calloc(1, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(*ctxData));
   1.306 +  ctxData-&gt;renderBuffer = malloc(data-&gt;size);
   1.307 +  ctxData-&gt;ctx = context;
   1.308 +
   1.309 +  data-&gt;contexts[data-&gt;numContexts] = ctxData;
   1.310 +  data-&gt;numContexts++;
   1.311 +}
   1.312 +
   1.313 +
   1.314 +<span style="color: #708070;">////////////////////  </span><span style="color: #7f9f7f;">Context Switching </span>
   1.315 +
   1.316 +<span style="color: #708070;">/* </span><span style="color: #7f9f7f;">A device brings along with it two pieces of state</span>
   1.317 +<span style="color: #7f9f7f;"> * which have to be swapped in and out with each context.</span>
   1.318 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.319 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">swapInContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>, <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span>){
   1.320 +  memcpy(Device-&gt;ClickRemoval, ctxData-&gt;ClickRemoval, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
   1.321 +  memcpy(Device-&gt;PendingClicks, ctxData-&gt;PendingClicks, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
   1.322 +}
   1.323 +
   1.324 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">saveContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>, <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span>){
   1.325 +  memcpy(ctxData-&gt;ClickRemoval, Device-&gt;ClickRemoval, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
   1.326 +  memcpy(ctxData-&gt;PendingClicks, Device-&gt;PendingClicks, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
   1.327 +}  
   1.328 +
   1.329 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> **<span style="color: #f0dfaf;">currentContext</span>;
   1.330 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">currentNumContext</span>;
   1.331 +
   1.332 +<span style="color: #708070;">/* </span><span style="color: #7f9f7f;">By default, all contexts are rendered at once for each call to aluMixData.</span>
   1.333 +<span style="color: #7f9f7f;"> * This function uses the internals of the ALCdecice struct to temporarly </span>
   1.334 +<span style="color: #7f9f7f;"> * cause aluMixData to only render the chosen context.</span>
   1.335 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.336 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">limitContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>, <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx</span>){
   1.337 +  currentContext  = Device-&gt;Contexts;
   1.338 +  currentNumContext  = Device-&gt;NumContexts;
   1.339 +  Device-&gt;Contexts = &amp;ctx;
   1.340 +  Device-&gt;NumContexts = 1;
   1.341 +}
   1.342 +
   1.343 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">unLimitContext</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>){
   1.344 +  Device-&gt;Contexts = currentContext;
   1.345 +  Device-&gt;NumContexts = currentNumContext;
   1.346 +}
   1.347 +
   1.348 +
   1.349 +<span style="color: #708070;">////////////////////   </span><span style="color: #7f9f7f;">Main Device Loop</span>
   1.350 +
   1.351 +<span style="color: #708070;">/* </span><span style="color: #7f9f7f;">Establish the LWJGL context as the main context, which will</span>
   1.352 +<span style="color: #7f9f7f;"> * be synchronized to all the slave contexts</span>
   1.353 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.354 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">init</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>){
   1.355 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterContext</span> = alcGetCurrentContext();
   1.356 +  addContext(Device, masterContext);
   1.357 +}
   1.358 +
   1.359 +
   1.360 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">renderData</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>, <span style="color: #dfdfbf; font-weight: bold;">int</span> <span style="color: #f0dfaf;">samples</span>){
   1.361 +  <span style="color: #f0dfaf; font-weight: bold;">if</span>(<span style="color: #f0dfaf; font-weight: bold;">!</span>Device-&gt;Connected){<span style="color: #f0dfaf; font-weight: bold;">return</span>;}
   1.362 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)Device-&gt;ExtraData;
   1.363 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
   1.364 +
   1.365 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">i</span>;
   1.366 +  <span style="color: #f0dfaf; font-weight: bold;">for</span> (i = 1; i &lt; data-&gt;numContexts; i++){
   1.367 +    syncContexts(data-&gt;contexts[0]-&gt;ctx , data-&gt;contexts[i]-&gt;ctx);
   1.368 +  }
   1.369 +  
   1.370 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">uint</span>) samples &gt; Device-&gt;UpdateSize){
   1.371 +    printf(<span style="color: #cc9393;">"exceeding internal buffer size; dropping samples\n"</span>);
   1.372 +    printf(<span style="color: #cc9393;">"requested %d; available %d\n"</span>, samples, Device-&gt;UpdateSize);
   1.373 +    samples = (<span style="color: #dfdfbf; font-weight: bold;">int</span>) Device-&gt;UpdateSize;
   1.374 +  }
   1.375 +
   1.376 +  <span style="color: #f0dfaf; font-weight: bold;">for</span> (i = 0; i &lt; data-&gt;numContexts; i++){
   1.377 +    <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span> = data-&gt;contexts[i];
   1.378 +    <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx</span> = ctxData-&gt;ctx;
   1.379 +    alcMakeContextCurrent(ctx);
   1.380 +    limitContext(Device, ctx);
   1.381 +    swapInContext(Device, ctxData);
   1.382 +    aluMixData(Device, ctxData-&gt;renderBuffer, samples);
   1.383 +    saveContext(Device, ctxData);
   1.384 +    unLimitContext(Device);
   1.385 +  }
   1.386 +  alcMakeContextCurrent(current);
   1.387 +}
   1.388 +
   1.389 +
   1.390 +<span style="color: #708070;">////////////////////   </span><span style="color: #7f9f7f;">JNI Methods</span>
   1.391 +
   1.392 +<span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"com_jme3_capture_AudioSend.h"</span>
   1.393 +
   1.394 +<span style="color: #708070;">/*</span>
   1.395 +<span style="color: #7f9f7f;"> * Class:     com_jme3_capture_AudioSend</span>
   1.396 +<span style="color: #7f9f7f;"> * Method:    nstep</span>
   1.397 +<span style="color: #7f9f7f;"> * Signature: (JI)V</span>
   1.398 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.399 +JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_nstep
   1.400 +(JNIEnv *env, <span style="color: #dfdfbf; font-weight: bold;">jclass</span> <span style="color: #f0dfaf;">clazz</span>, <span style="color: #dfdfbf; font-weight: bold;">jlong</span> <span style="color: #f0dfaf;">device</span>, <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">samples</span>){
   1.401 +  UNUSED(env);UNUSED(clazz);UNUSED(device);
   1.402 +  renderData((<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*)((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device), samples);
   1.403 +}
   1.404 +
   1.405 +<span style="color: #708070;">/*</span>
   1.406 +<span style="color: #7f9f7f;"> * Class:     com_jme3_capture_AudioSend</span>
   1.407 +<span style="color: #7f9f7f;"> * Method:    ngetSamples</span>
   1.408 +<span style="color: #7f9f7f;"> * Signature: (JLjava/nio/ByteBuffer;III)V</span>
   1.409 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.410 +JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_ngetSamples
   1.411 +(JNIEnv *env, <span style="color: #dfdfbf; font-weight: bold;">jclass</span> <span style="color: #f0dfaf;">clazz</span>, <span style="color: #dfdfbf; font-weight: bold;">jlong</span> <span style="color: #f0dfaf;">device</span>, <span style="color: #dfdfbf; font-weight: bold;">jobject</span> <span style="color: #f0dfaf;">buffer</span>, <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">position</span>, 
   1.412 + <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">samples</span>, <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">n</span>){
   1.413 +  UNUSED(clazz);  
   1.414 +
   1.415 +  <span style="color: #dfdfbf; font-weight: bold;">ALvoid</span> *<span style="color: #f0dfaf;">buffer_address</span> = 
   1.416 +    ((<span style="color: #dfdfbf; font-weight: bold;">ALbyte</span> *)(((<span style="color: #dfdfbf; font-weight: bold;">char</span>*)(*env)-&gt;GetDirectBufferAddress(env, buffer)) + position));
   1.417 +  <span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">recorder</span> = (<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*) ((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device);
   1.418 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)recorder-&gt;ExtraData;
   1.419 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">ALuint</span>)n &gt; data-&gt;numContexts){<span style="color: #f0dfaf; font-weight: bold;">return</span>;}
   1.420 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">uint</span>) samples &gt; data-&gt;size){
   1.421 +    samples = (<span style="color: #dfdfbf; font-weight: bold;">int</span>) data-&gt;size;
   1.422 +  }
   1.423 +  memcpy(buffer_address, data-&gt;contexts[n]-&gt;renderBuffer, samples*<span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat));
   1.424 +}
   1.425 +
   1.426 +<span style="color: #708070;">/*</span>
   1.427 +<span style="color: #7f9f7f;"> * Class:     com_jme3_capture_AudioSend</span>
   1.428 +<span style="color: #7f9f7f;"> * Method:    naddListener</span>
   1.429 +<span style="color: #7f9f7f;"> * Signature: (J)V</span>
   1.430 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.431 +JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_naddListener
   1.432 +(JNIEnv *env, <span style="color: #dfdfbf; font-weight: bold;">jclass</span> <span style="color: #f0dfaf;">clazz</span>, <span style="color: #dfdfbf; font-weight: bold;">jlong</span> <span style="color: #f0dfaf;">device</span>){
   1.433 +  UNUSED(env); UNUSED(clazz);
   1.434 +  printf(<span style="color: #cc9393;">"creating new context via naddListener\n"</span>);
   1.435 +  <span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span> = (<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*) ((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device);
   1.436 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">new</span> = alcCreateContext(Device, <span style="color: #dca3a3; font-weight: bold;">NULL</span>);
   1.437 +  addContext(Device, new);
   1.438 +}
   1.439 +
   1.440 +<span style="color: #708070;">/*</span>
   1.441 +<span style="color: #7f9f7f;"> * Class:     com_jme3_capture_AudioSend</span>
   1.442 +<span style="color: #7f9f7f;"> * Method:    nsetNthListener3f</span>
   1.443 +<span style="color: #7f9f7f;"> * Signature: (IFFFJI)V</span>
   1.444 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.445 +JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_nsetNthListener3f
   1.446 +  (JNIEnv *env, <span style="color: #dfdfbf; font-weight: bold;">jclass</span> <span style="color: #f0dfaf;">clazz</span>, <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">param</span>, 
   1.447 +   <span style="color: #dfdfbf; font-weight: bold;">jfloat</span> <span style="color: #f0dfaf;">v1</span>, <span style="color: #dfdfbf; font-weight: bold;">jfloat</span> <span style="color: #f0dfaf;">v2</span>, <span style="color: #dfdfbf; font-weight: bold;">jfloat</span> <span style="color: #f0dfaf;">v3</span>, <span style="color: #dfdfbf; font-weight: bold;">jlong</span> <span style="color: #f0dfaf;">device</span>, <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">contextNum</span>){
   1.448 +  UNUSED(env);UNUSED(clazz);
   1.449 +
   1.450 +  <span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span> = (<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*) ((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device);
   1.451 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)Device-&gt;ExtraData;
   1.452 +  
   1.453 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
   1.454 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">ALuint</span>)contextNum &gt; data-&gt;numContexts){<span style="color: #f0dfaf; font-weight: bold;">return</span>;}
   1.455 +  alcMakeContextCurrent(data-&gt;contexts[contextNum]-&gt;ctx);
   1.456 +  alListener3f(param, v1, v2, v3);
   1.457 +  alcMakeContextCurrent(current);
   1.458 +}
   1.459 +
   1.460 +<span style="color: #708070;">/*</span>
   1.461 +<span style="color: #7f9f7f;"> * Class:     com_jme3_capture_AudioSend</span>
   1.462 +<span style="color: #7f9f7f;"> * Method:    nsetNthListenerf</span>
   1.463 +<span style="color: #7f9f7f;"> * Signature: (IFJI)V</span>
   1.464 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
   1.465 +JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_nsetNthListenerf
   1.466 +(JNIEnv *env, <span style="color: #dfdfbf; font-weight: bold;">jclass</span> <span style="color: #f0dfaf;">clazz</span>, <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">param</span>, <span style="color: #dfdfbf; font-weight: bold;">jfloat</span> <span style="color: #f0dfaf;">v1</span>, <span style="color: #dfdfbf; font-weight: bold;">jlong</span> <span style="color: #f0dfaf;">device</span>, 
   1.467 + <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">contextNum</span>){
   1.468 +
   1.469 +  UNUSED(env);UNUSED(clazz);
   1.470 +  
   1.471 +  <span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span> = (<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*) ((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device);
   1.472 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)Device-&gt;ExtraData;
   1.473 +  
   1.474 +  <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
   1.475 +  <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">ALuint</span>)contextNum &gt; data-&gt;numContexts){<span style="color: #f0dfaf; font-weight: bold;">return</span>;}
   1.476 +  alcMakeContextCurrent(data-&gt;contexts[contextNum]-&gt;ctx);
   1.477 +  alListenerf(param, v1);
   1.478 +  alcMakeContextCurrent(current);
   1.479 +}
   1.480 +
   1.481 +<span style="color: #708070;">/*</span>
   1.482 +<span style="color: #7f9f7f;"> * Class:     com_jme3_capture_AudioSend</span>
   1.483 +<span style="color: #7f9f7f;"> * Method:    ninitDevice</span>
   1.484 +<span style="color: #7f9f7f;"> * Signature: (J)V</span>
   1.485 +<span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>                     
   1.486 +JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_ninitDevice
   1.487 +(JNIEnv *env, <span style="color: #dfdfbf; font-weight: bold;">jclass</span> <span style="color: #f0dfaf;">clazz</span>, <span style="color: #dfdfbf; font-weight: bold;">jlong</span> <span style="color: #f0dfaf;">device</span>){
   1.488 +  UNUSED(env);UNUSED(clazz);
   1.489 +  
   1.490 +  <span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span> = (<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*) ((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device);
   1.491 +  init(Device);
   1.492 +
   1.493 +}
   1.494 +
   1.495 +
   1.496 +<span style="color: #708070;">////////////////////   </span><span style="color: #7f9f7f;">Device Initilization / Management</span>
   1.497 +
   1.498 +<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> <span style="color: #f0dfaf;">sendDevice</span>[] = <span style="color: #cc9393;">"Multiple Audio Send"</span>;
   1.499 +
   1.500 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> <span style="color: #f0dfaf;">send_open_playback</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">device</span>, 
   1.501 + <span style="color: #f0dfaf; font-weight: bold;">const</span> <span style="color: #dfdfbf; font-weight: bold;">ALCchar</span> *<span style="color: #f0dfaf;">deviceName</span>)
   1.502 +{
   1.503 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span>;
   1.504 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">stop any buffering for stdout, so that I can </span>
   1.505 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">see the printf statements in my terminal immediatley</span>
   1.506 +  setbuf(stdout, <span style="color: #dca3a3; font-weight: bold;">NULL</span>);
   1.507 +
   1.508 +  <span style="color: #f0dfaf; font-weight: bold;">if</span>(<span style="color: #f0dfaf; font-weight: bold;">!</span>deviceName)
   1.509 +    deviceName = sendDevice;
   1.510 +  <span style="color: #f0dfaf; font-weight: bold;">else</span> <span style="color: #f0dfaf; font-weight: bold;">if</span>(strcmp(deviceName, sendDevice) != 0)
   1.511 +    <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_FALSE;
   1.512 +  data = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)calloc(1, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(*data));
   1.513 +  device-&gt;szDeviceName = strdup(deviceName);
   1.514 +  device-&gt;ExtraData = data;
   1.515 +  <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_TRUE;
   1.516 +}
   1.517 +
   1.518 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">send_close_playback</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">device</span>)
   1.519 +{
   1.520 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)device-&gt;ExtraData;
   1.521 +  alcMakeContextCurrent(<span style="color: #dca3a3; font-weight: bold;">NULL</span>);
   1.522 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">i</span>;
   1.523 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Destroy all slave contexts. LWJGL will take care of </span>
   1.524 +  <span style="color: #708070;">// </span><span style="color: #7f9f7f;">its own context.</span>
   1.525 +  <span style="color: #f0dfaf; font-weight: bold;">for</span> (i = 1; i &lt; data-&gt;numContexts; i++){
   1.526 +    <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span> = data-&gt;contexts[i];
   1.527 +    alcDestroyContext(ctxData-&gt;ctx);
   1.528 +    free(ctxData-&gt;renderBuffer);
   1.529 +    free(ctxData);
   1.530 +  }
   1.531 +  free(data);
   1.532 +  device-&gt;ExtraData = <span style="color: #dca3a3; font-weight: bold;">NULL</span>;
   1.533 +}
   1.534 +
   1.535 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> <span style="color: #f0dfaf;">send_reset_playback</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">device</span>)
   1.536 +{
   1.537 +  <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span> = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)device-&gt;ExtraData;
   1.538 +  <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">channels</span>=0, <span style="color: #f0dfaf;">bits</span>=0;
   1.539 +  device-&gt;FmtType = DevFmtShort;
   1.540 +  bits = BytesFromDevFmt(device-&gt;FmtType) * 8;
   1.541 +  channels = ChannelsFromDevFmt(device-&gt;FmtChans);
   1.542 +  data-&gt;size = device-&gt;UpdateSize * channels * bits / 8;
   1.543 +
   1.544 +  <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_TRUE;
   1.545 +}
   1.546 +
   1.547 +<span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">send_stop_playback</span>(<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span> *<span style="color: #f0dfaf;">Device</span>){
   1.548 +  UNUSED(Device);
   1.549 +}
   1.550 +
   1.551 +<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> <span style="color: #f0dfaf;">send_funcs</span> = {
   1.552 +  send_open_playback,
   1.553 +  send_close_playback,
   1.554 +  send_reset_playback,
   1.555 +  send_stop_playback,
   1.556 +  <span style="color: #dca3a3; font-weight: bold;">NULL</span>,
   1.557 +  <span style="color: #dca3a3; font-weight: bold;">NULL</span>,  <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">These would be filled with functions to    </span><span style="color: #708070;">*/</span>
   1.558 +  <span style="color: #dca3a3; font-weight: bold;">NULL</span>,  <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">handle capturing audio if we we into that  </span><span style="color: #708070;">*/</span>
   1.559 +  <span style="color: #dca3a3; font-weight: bold;">NULL</span>,  <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">sort of thing...                           </span><span style="color: #708070;">*/</span>
   1.560 +  <span style="color: #dca3a3; font-weight: bold;">NULL</span>,
   1.561 +  <span style="color: #dca3a3; font-weight: bold;">NULL</span>
   1.562 +};
   1.563 +
   1.564 +<span style="color: #dfdfbf; font-weight: bold;">ALCboolean</span> <span style="color: #f0dfaf;">alc_send_init</span>(<span style="color: #dfdfbf; font-weight: bold;">BackendFuncs</span> *<span style="color: #f0dfaf;">func_list</span>){
   1.565 +  *func_list = send_funcs;
   1.566 +  <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_TRUE;
   1.567 +}
   1.568 +
   1.569 +<span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">alc_send_deinit</span>(<span style="color: #dfdfbf; font-weight: bold;">void</span>){}
   1.570 +
   1.571 +<span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">alc_send_probe</span>(<span style="color: #f0dfaf; font-weight: bold;">enum</span> <span style="color: #dfdfbf; font-weight: bold;">DevProbe</span> <span style="color: #f0dfaf;">type</span>)
   1.572 +{
   1.573 +  <span style="color: #f0dfaf; font-weight: bold;">switch</span>(type)
   1.574 +    {
   1.575 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> DEVICE_PROBE:
   1.576 +      AppendDeviceList(sendDevice);
   1.577 +      <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.578 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> ALL_DEVICE_PROBE:
   1.579 +      AppendAllDeviceList(sendDevice);
   1.580 +      <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.581 +    <span style="color: #f0dfaf; font-weight: bold;">case</span> CAPTURE_DEVICE_PROBE:
   1.582 +      <span style="color: #f0dfaf; font-weight: bold;">break</span>;
   1.583 +    }
   1.584 +}
   1.585 +
   1.586 +
   1.587 +
   1.588 +</pre>
   1.589 +
   1.590 +
   1.591 +
   1.592 +
   1.593 +
   1.594 +<div id="postamble">
   1.595 +<p class="date">Date: 2011-10-20 15:48:47 MST</p>
   1.596 +<p class="author">Author: Robert McIntyre</p>
   1.597 +<p class="creator">Org version 7.6 with Emacs version 23</p>
   1.598 +<a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a>
   1.599 +</div>
   1.600 +</div>
   1.601 +</body>
   1.602 +</html>