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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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104 <h1 class="title">send.c</h1>
105 <div class="author">Written by <author>Robert McIntyre</author></div>
106
107
108
109
110
111
112
113 <pre class="src src-C"><span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"config.h"</span>
114 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">&lt;stdlib.h&gt;</span>
115 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"alMain.h"</span>
116 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"AL/al.h"</span>
117 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"AL/alc.h"</span>
118 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"alSource.h"</span>
119 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">&lt;jni.h&gt;</span>
120
121 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">Summary</span>
122
123 <span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">send_data</span>;
124 <span style="color: #f0dfaf; font-weight: bold;">struct</span> <span style="color: #dfdfbf; font-weight: bold;">context_data</span>;
125
126 <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> *);
127 <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>);
128 <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>,
129 <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>);
130
131 <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>,
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;">ctx2</span>, <span style="color: #dfdfbf; font-weight: bold;">ALenum</span> <span style="color: #f0dfaf;">param</span>);
133 <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>,
134 <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>);
135 <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>,
136 <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>);
137
138 <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> *);
139 <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> *);
140 <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> *);
141 <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> *);
142
143 <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> *);
144 <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>);
145
146 <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)
147
148 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">State</span>
149
150 <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> {
151 <span style="color: #dfdfbf; font-weight: bold;">ALfloat</span> <span style="color: #f0dfaf;">ClickRemoval</span>[MAXCHANNELS];
152 <span style="color: #dfdfbf; font-weight: bold;">ALfloat</span> <span style="color: #f0dfaf;">PendingClicks</span>[MAXCHANNELS];
153 <span style="color: #dfdfbf; font-weight: bold;">ALvoid</span> *<span style="color: #f0dfaf;">renderBuffer</span>;
154 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx</span>;
155 } <span style="color: #f0dfaf;">context_data</span>;
156
157 <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> {
158 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">size</span>;
159 <span style="color: #dfdfbf; font-weight: bold;">context_data</span> **<span style="color: #f0dfaf;">contexts</span>;
160 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numContexts</span>;
161 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">maxContexts</span>;
162 } <span style="color: #f0dfaf;">send_data</span>;
163
164
165
166 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">Context Creation / Synchronization</span>
167
168 <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>) \
169 <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>, \
170 <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>, \
171 <span style="color: #dfdfbf; font-weight: bold;">ALenum</span> <span style="color: #f0dfaf;">param</span>){ \
172 INIT_EXPR; \
173 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext(); \
174 alcMakeContextCurrent(ctx1); \
175 GET_EXPR; \
176 alcMakeContextCurrent(ctx2); \
177 SET_EXPR; \
178 alcMakeContextCurrent(current); \
179 }
180
181 <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>) \
182 _MAKE_SYNC(NAME, \
183 <span style="color: #dfdfbf; font-weight: bold;">TYPE</span> <span style="color: #f0dfaf;">value</span>, \
184 GET(sourceID1, param, &amp;value), \
185 SET(sourceID2, param, value))
186
187 <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>) \
188 _MAKE_SYNC(NAME, \
189 <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>;, \
190 GET(sourceID1, param, &amp;value1, &amp;value2, &amp;value3), \
191 SET(sourceID2, param, value1, value2, value3))
192
193 MAKE_SYNC( syncSourcei, ALint, alGetSourcei, alSourcei);
194 MAKE_SYNC( syncSourcef, ALfloat, alGetSourcef, alSourcef);
195 MAKE_SYNC3(syncSource3i, ALint, alGetSource3i, alSource3i);
196 MAKE_SYNC3(syncSource3f, ALfloat, alGetSource3f, alSource3f);
197
198 <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>,
199 <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>){
200 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">master</span> = masterSource-&gt;source;
201 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">slave</span> = slaveSource-&gt;source;
202 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
203
204 syncSourcef(master,slave,masterCtx,slaveCtx,AL_PITCH);
205 syncSourcef(master,slave,masterCtx,slaveCtx,AL_GAIN);
206 syncSourcef(master,slave,masterCtx,slaveCtx,AL_MAX_DISTANCE);
207 syncSourcef(master,slave,masterCtx,slaveCtx,AL_ROLLOFF_FACTOR);
208 syncSourcef(master,slave,masterCtx,slaveCtx,AL_REFERENCE_DISTANCE);
209 syncSourcef(master,slave,masterCtx,slaveCtx,AL_MIN_GAIN);
210 syncSourcef(master,slave,masterCtx,slaveCtx,AL_MAX_GAIN);
211 syncSourcef(master,slave,masterCtx,slaveCtx,AL_CONE_OUTER_GAIN);
212 syncSourcef(master,slave,masterCtx,slaveCtx,AL_CONE_INNER_ANGLE);
213 syncSourcef(master,slave,masterCtx,slaveCtx,AL_CONE_OUTER_ANGLE);
214 syncSourcef(master,slave,masterCtx,slaveCtx,AL_SEC_OFFSET);
215 syncSourcef(master,slave,masterCtx,slaveCtx,AL_SAMPLE_OFFSET);
216 syncSourcef(master,slave,masterCtx,slaveCtx,AL_BYTE_OFFSET);
217
218 syncSource3f(master,slave,masterCtx,slaveCtx,AL_POSITION);
219 syncSource3f(master,slave,masterCtx,slaveCtx,AL_VELOCITY);
220 syncSource3f(master,slave,masterCtx,slaveCtx,AL_DIRECTION);
221
222 syncSourcei(master,slave,masterCtx,slaveCtx,AL_SOURCE_RELATIVE);
223 syncSourcei(master,slave,masterCtx,slaveCtx,AL_LOOPING);
224
225 alcMakeContextCurrent(masterCtx);
226 <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">source_type</span>;
227 alGetSourcei(master, AL_SOURCE_TYPE, &amp;source_type);
228
229 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Only static sources are currently synchronized! </span>
230 <span style="color: #f0dfaf; font-weight: bold;">if</span> (AL_STATIC == source_type){
231 <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">master_buffer</span>;
232 <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">slave_buffer</span>;
233 alGetSourcei(master, AL_BUFFER, &amp;master_buffer);
234 alcMakeContextCurrent(slaveCtx);
235 alGetSourcei(slave, AL_BUFFER, &amp;slave_buffer);
236 <span style="color: #f0dfaf; font-weight: bold;">if</span> (master_buffer != slave_buffer){
237 alSourcei(slave, AL_BUFFER, master_buffer);
238 }
239 }
240
241 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Synchronize the state of the two sources.</span>
242 alcMakeContextCurrent(masterCtx);
243 <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">masterState</span>;
244 <span style="color: #dfdfbf; font-weight: bold;">ALint</span> <span style="color: #f0dfaf;">slaveState</span>;
245
246 alGetSourcei(master, AL_SOURCE_STATE, &amp;masterState);
247 alcMakeContextCurrent(slaveCtx);
248 alGetSourcei(slave, AL_SOURCE_STATE, &amp;slaveState);
249
250 <span style="color: #f0dfaf; font-weight: bold;">if</span> (masterState != slaveState){
251 <span style="color: #f0dfaf; font-weight: bold;">switch</span> (masterState){
252 <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_INITIAL : alSourceRewind(slave); <span style="color: #f0dfaf; font-weight: bold;">break</span>;
253 <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_PLAYING : alSourcePlay(slave); <span style="color: #f0dfaf; font-weight: bold;">break</span>;
254 <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_PAUSED : alSourcePause(slave); <span style="color: #f0dfaf; font-weight: bold;">break</span>;
255 <span style="color: #f0dfaf; font-weight: bold;">case</span> AL_STOPPED : alSourceStop(slave); <span style="color: #f0dfaf; font-weight: bold;">break</span>;
256 }
257 }
258 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Restore whatever context was previously active.</span>
259 alcMakeContextCurrent(current);
260 }
261
262
263 <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>){
264 <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">If there aren't sufficient sources in slave to mirror </span>
265 <span style="color: #7f9f7f;"> the sources in master, create them. </span><span style="color: #708070;">*/</span>
266 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
267
268 <span style="color: #dfdfbf; font-weight: bold;">UIntMap</span> *<span style="color: #f0dfaf;">masterSourceMap</span> = &amp;(master-&gt;SourceMap);
269 <span style="color: #dfdfbf; font-weight: bold;">UIntMap</span> *<span style="color: #f0dfaf;">slaveSourceMap</span> = &amp;(slave-&gt;SourceMap);
270 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numMasterSources</span> = masterSourceMap-&gt;size;
271 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numSlaveSources</span> = slaveSourceMap-&gt;size;
272
273 alcMakeContextCurrent(slave);
274 <span style="color: #f0dfaf; font-weight: bold;">if</span> (numSlaveSources &lt; numMasterSources){
275 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">numMissingSources</span> = numMasterSources - numSlaveSources;
276 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">newSources</span>[numMissingSources];
277 alGenSources(numMissingSources, newSources);
278 }
279
280 <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">Now, slave is gauranteed to have at least as many sources</span>
281 <span style="color: #7f9f7f;"> as master. Sync each source from master to the corresponding</span>
282 <span style="color: #7f9f7f;"> source in slave. </span><span style="color: #708070;">*/</span>
283 <span style="color: #dfdfbf; font-weight: bold;">int</span> <span style="color: #f0dfaf;">i</span>;
284 <span style="color: #f0dfaf; font-weight: bold;">for</span>(i = 0; i &lt; masterSourceMap-&gt;size; i++){
285 syncSources((<span style="color: #dfdfbf; font-weight: bold;">ALsource</span>*)masterSourceMap-&gt;array[i].value,
286 (<span style="color: #dfdfbf; font-weight: bold;">ALsource</span>*)slaveSourceMap-&gt;array[i].value,
287 master, slave);
288 }
289 alcMakeContextCurrent(current);
290 }
291
292 <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>){
293 <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;
294 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">expand array if necessary</span>
295 <span style="color: #f0dfaf; font-weight: bold;">if</span> (data-&gt;numContexts &gt;= data-&gt;maxContexts){
296 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">newMaxContexts</span> = data-&gt;maxContexts*2 + 1;
297 data-&gt;contexts = realloc(data-&gt;contexts, newMaxContexts*<span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(context_data));
298 data-&gt;maxContexts = newMaxContexts;
299 }
300 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">create context_data and add it to the main array</span>
301 <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span>;
302 ctxData = (<span style="color: #dfdfbf; font-weight: bold;">context_data</span>*)calloc(1, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(*ctxData));
303 ctxData-&gt;renderBuffer = malloc(data-&gt;size);
304 ctxData-&gt;ctx = context;
305
306 data-&gt;contexts[data-&gt;numContexts] = ctxData;
307 data-&gt;numContexts++;
308 }
309
310
311 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">Context Switching </span>
312
313 <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">A device brings along with it two pieces of state</span>
314 <span style="color: #7f9f7f;"> * which have to be swapped in and out with each context.</span>
315 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
316 <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>){
317 memcpy(Device-&gt;ClickRemoval, ctxData-&gt;ClickRemoval, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
318 memcpy(Device-&gt;PendingClicks, ctxData-&gt;PendingClicks, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
319 }
320
321 <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>){
322 memcpy(ctxData-&gt;ClickRemoval, Device-&gt;ClickRemoval, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
323 memcpy(ctxData-&gt;PendingClicks, Device-&gt;PendingClicks, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat)*MAXCHANNELS);
324 }
325
326 <span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> **<span style="color: #f0dfaf;">currentContext</span>;
327 <span style="color: #f0dfaf; font-weight: bold;">static</span> <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">currentNumContext</span>;
328
329 <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">By default, all contexts are rendered at once for each call to aluMixData.</span>
330 <span style="color: #7f9f7f;"> * This function uses the internals of the ALCdecice struct to temporarly </span>
331 <span style="color: #7f9f7f;"> * cause aluMixData to only render the chosen context.</span>
332 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
333 <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>){
334 currentContext = Device-&gt;Contexts;
335 currentNumContext = Device-&gt;NumContexts;
336 Device-&gt;Contexts = &amp;ctx;
337 Device-&gt;NumContexts = 1;
338 }
339
340 <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>){
341 Device-&gt;Contexts = currentContext;
342 Device-&gt;NumContexts = currentNumContext;
343 }
344
345
346 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">Main Device Loop</span>
347
348 <span style="color: #708070;">/* </span><span style="color: #7f9f7f;">Establish the LWJGL context as the main context, which will</span>
349 <span style="color: #7f9f7f;"> * be synchronized to all the slave contexts</span>
350 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
351 <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>){
352 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">masterContext</span> = alcGetCurrentContext();
353 addContext(Device, masterContext);
354 }
355
356
357 <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>){
358 <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>;}
359 <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;
360 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
361
362 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">i</span>;
363 <span style="color: #f0dfaf; font-weight: bold;">for</span> (i = 1; i &lt; data-&gt;numContexts; i++){
364 syncContexts(data-&gt;contexts[0]-&gt;ctx , data-&gt;contexts[i]-&gt;ctx);
365 }
366
367 <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">uint</span>) samples &gt; Device-&gt;UpdateSize){
368 printf(<span style="color: #cc9393;">"exceeding internal buffer size; dropping samples\n"</span>);
369 printf(<span style="color: #cc9393;">"requested %d; available %d\n"</span>, samples, Device-&gt;UpdateSize);
370 samples = (<span style="color: #dfdfbf; font-weight: bold;">int</span>) Device-&gt;UpdateSize;
371 }
372
373 <span style="color: #f0dfaf; font-weight: bold;">for</span> (i = 0; i &lt; data-&gt;numContexts; i++){
374 <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span> = data-&gt;contexts[i];
375 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">ctx</span> = ctxData-&gt;ctx;
376 alcMakeContextCurrent(ctx);
377 limitContext(Device, ctx);
378 swapInContext(Device, ctxData);
379 aluMixData(Device, ctxData-&gt;renderBuffer, samples);
380 saveContext(Device, ctxData);
381 unLimitContext(Device);
382 }
383 alcMakeContextCurrent(current);
384 }
385
386
387 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">JNI Methods</span>
388
389 <span style="color: #8cd0d3;">#include</span> <span style="color: #cc9393;">"com_jme3_capture_AudioSend.h"</span>
390
391 <span style="color: #708070;">/*</span>
392 <span style="color: #7f9f7f;"> * Class: com_jme3_capture_AudioSend</span>
393 <span style="color: #7f9f7f;"> * Method: nstep</span>
394 <span style="color: #7f9f7f;"> * Signature: (JI)V</span>
395 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
396 JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_nstep
397 (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>){
398 UNUSED(env);UNUSED(clazz);UNUSED(device);
399 renderData((<span style="color: #dfdfbf; font-weight: bold;">ALCdevice</span>*)((<span style="color: #dfdfbf; font-weight: bold;">intptr_t</span>)device), samples);
400 }
401
402 <span style="color: #708070;">/*</span>
403 <span style="color: #7f9f7f;"> * Class: com_jme3_capture_AudioSend</span>
404 <span style="color: #7f9f7f;"> * Method: ngetSamples</span>
405 <span style="color: #7f9f7f;"> * Signature: (JLjava/nio/ByteBuffer;III)V</span>
406 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
407 JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_ngetSamples
408 (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>,
409 <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>){
410 UNUSED(clazz);
411
412 <span style="color: #dfdfbf; font-weight: bold;">ALvoid</span> *<span style="color: #f0dfaf;">buffer_address</span> =
413 ((<span style="color: #dfdfbf; font-weight: bold;">ALbyte</span> *)(((<span style="color: #dfdfbf; font-weight: bold;">char</span>*)(*env)-&gt;GetDirectBufferAddress(env, buffer)) + position));
414 <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);
415 <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;
416 <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>;}
417 <span style="color: #f0dfaf; font-weight: bold;">if</span> ((<span style="color: #dfdfbf; font-weight: bold;">uint</span>) samples &gt; data-&gt;size){
418 samples = (<span style="color: #dfdfbf; font-weight: bold;">int</span>) data-&gt;size;
419 }
420 memcpy(buffer_address, data-&gt;contexts[n]-&gt;renderBuffer, samples*<span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(ALfloat));
421 }
422
423 <span style="color: #708070;">/*</span>
424 <span style="color: #7f9f7f;"> * Class: com_jme3_capture_AudioSend</span>
425 <span style="color: #7f9f7f;"> * Method: naddListener</span>
426 <span style="color: #7f9f7f;"> * Signature: (J)V</span>
427 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
428 JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_naddListener
429 (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>){
430 UNUSED(env); UNUSED(clazz);
431 printf(<span style="color: #cc9393;">"creating new context via naddListener\n"</span>);
432 <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);
433 <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>);
434 addContext(Device, new);
435 }
436
437 <span style="color: #708070;">/*</span>
438 <span style="color: #7f9f7f;"> * Class: com_jme3_capture_AudioSend</span>
439 <span style="color: #7f9f7f;"> * Method: nsetNthListener3f</span>
440 <span style="color: #7f9f7f;"> * Signature: (IFFFJI)V</span>
441 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
442 JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_nsetNthListener3f
443 (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>,
444 <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>){
445 UNUSED(env);UNUSED(clazz);
446
447 <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);
448 <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;
449
450 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
451 <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>;}
452 alcMakeContextCurrent(data-&gt;contexts[contextNum]-&gt;ctx);
453 alListener3f(param, v1, v2, v3);
454 alcMakeContextCurrent(current);
455 }
456
457 <span style="color: #708070;">/*</span>
458 <span style="color: #7f9f7f;"> * Class: com_jme3_capture_AudioSend</span>
459 <span style="color: #7f9f7f;"> * Method: nsetNthListenerf</span>
460 <span style="color: #7f9f7f;"> * Signature: (IFJI)V</span>
461 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
462 JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_nsetNthListenerf
463 (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>,
464 <span style="color: #dfdfbf; font-weight: bold;">jint</span> <span style="color: #f0dfaf;">contextNum</span>){
465
466 UNUSED(env);UNUSED(clazz);
467
468 <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);
469 <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;
470
471 <span style="color: #dfdfbf; font-weight: bold;">ALCcontext</span> *<span style="color: #f0dfaf;">current</span> = alcGetCurrentContext();
472 <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>;}
473 alcMakeContextCurrent(data-&gt;contexts[contextNum]-&gt;ctx);
474 alListenerf(param, v1);
475 alcMakeContextCurrent(current);
476 }
477
478 <span style="color: #708070;">/*</span>
479 <span style="color: #7f9f7f;"> * Class: com_jme3_capture_AudioSend</span>
480 <span style="color: #7f9f7f;"> * Method: ninitDevice</span>
481 <span style="color: #7f9f7f;"> * Signature: (J)V</span>
482 <span style="color: #7f9f7f;"> </span><span style="color: #708070;">*/</span>
483 JNIEXPORT <span style="color: #dfdfbf; font-weight: bold;">void</span> <span style="color: #f0dfaf;">JNICALL</span> Java_com_jme3_capture_AudioSend_ninitDevice
484 (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>){
485 UNUSED(env);UNUSED(clazz);
486
487 <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);
488 init(Device);
489
490 }
491
492
493 <span style="color: #708070;">//////////////////// </span><span style="color: #7f9f7f;">Device Initilization / Management</span>
494
495 <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>;
496
497 <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>,
498 <span style="color: #f0dfaf; font-weight: bold;">const</span> <span style="color: #dfdfbf; font-weight: bold;">ALCchar</span> *<span style="color: #f0dfaf;">deviceName</span>)
499 {
500 <span style="color: #dfdfbf; font-weight: bold;">send_data</span> *<span style="color: #f0dfaf;">data</span>;
501 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">stop any buffering for stdout, so that I can </span>
502 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">see the printf statements in my terminal immediatley</span>
503 setbuf(stdout, <span style="color: #dca3a3; font-weight: bold;">NULL</span>);
504
505 <span style="color: #f0dfaf; font-weight: bold;">if</span>(<span style="color: #f0dfaf; font-weight: bold;">!</span>deviceName)
506 deviceName = sendDevice;
507 <span style="color: #f0dfaf; font-weight: bold;">else</span> <span style="color: #f0dfaf; font-weight: bold;">if</span>(strcmp(deviceName, sendDevice) != 0)
508 <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_FALSE;
509 data = (<span style="color: #dfdfbf; font-weight: bold;">send_data</span>*)calloc(1, <span style="color: #f0dfaf; font-weight: bold;">sizeof</span>(*data));
510 device-&gt;szDeviceName = strdup(deviceName);
511 device-&gt;ExtraData = data;
512 <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_TRUE;
513 }
514
515 <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>)
516 {
517 <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;
518 alcMakeContextCurrent(<span style="color: #dca3a3; font-weight: bold;">NULL</span>);
519 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">i</span>;
520 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">Destroy all slave contexts. LWJGL will take care of </span>
521 <span style="color: #708070;">// </span><span style="color: #7f9f7f;">its own context.</span>
522 <span style="color: #f0dfaf; font-weight: bold;">for</span> (i = 1; i &lt; data-&gt;numContexts; i++){
523 <span style="color: #dfdfbf; font-weight: bold;">context_data</span> *<span style="color: #f0dfaf;">ctxData</span> = data-&gt;contexts[i];
524 alcDestroyContext(ctxData-&gt;ctx);
525 free(ctxData-&gt;renderBuffer);
526 free(ctxData);
527 }
528 free(data);
529 device-&gt;ExtraData = <span style="color: #dca3a3; font-weight: bold;">NULL</span>;
530 }
531
532 <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>)
533 {
534 <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;
535 <span style="color: #dfdfbf; font-weight: bold;">ALuint</span> <span style="color: #f0dfaf;">channels</span>=0, <span style="color: #f0dfaf;">bits</span>=0;
536 device-&gt;FmtType = DevFmtShort;
537 bits = BytesFromDevFmt(device-&gt;FmtType) * 8;
538 channels = ChannelsFromDevFmt(device-&gt;FmtChans);
539 data-&gt;size = device-&gt;UpdateSize * channels * bits / 8;
540
541 <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_TRUE;
542 }
543
544 <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>){
545 UNUSED(Device);
546 }
547
548 <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> = {
549 send_open_playback,
550 send_close_playback,
551 send_reset_playback,
552 send_stop_playback,
553 <span style="color: #dca3a3; font-weight: bold;">NULL</span>,
554 <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>
555 <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>
556 <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>
557 <span style="color: #dca3a3; font-weight: bold;">NULL</span>,
558 <span style="color: #dca3a3; font-weight: bold;">NULL</span>
559 };
560
561 <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>){
562 *func_list = send_funcs;
563 <span style="color: #f0dfaf; font-weight: bold;">return</span> ALC_TRUE;
564 }
565
566 <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>){}
567
568 <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>)
569 {
570 <span style="color: #f0dfaf; font-weight: bold;">switch</span>(type)
571 {
572 <span style="color: #f0dfaf; font-weight: bold;">case</span> DEVICE_PROBE:
573 AppendDeviceList(sendDevice);
574 <span style="color: #f0dfaf; font-weight: bold;">break</span>;
575 <span style="color: #f0dfaf; font-weight: bold;">case</span> ALL_DEVICE_PROBE:
576 AppendAllDeviceList(sendDevice);
577 <span style="color: #f0dfaf; font-weight: bold;">break</span>;
578 <span style="color: #f0dfaf; font-weight: bold;">case</span> CAPTURE_DEVICE_PROBE:
579 <span style="color: #f0dfaf; font-weight: bold;">break</span>;
580 }
581 }
582
583
584
585 </pre>
586
587
588
589
590
591 <div id="postamble">
592 <p class="date">Date: 2011-10-20 15:48:47 MST</p>
593 <p class="author">Author: Robert McIntyre</p>
594 <p class="creator">Org version 7.6 with Emacs version 23</p>
595 <a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a>
596 </div>
597 </div>
598 </body>
599 </html>