Mercurial > audio-send
diff OpenAL32/alListener.c @ 0:f9476ff7637e
initial forking of open-al to create multiple listeners
author | Robert McIntyre <rlm@mit.edu> |
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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/OpenAL32/alListener.c Tue Oct 25 13:02:31 2011 -0700 1.3 @@ -0,0 +1,465 @@ 1.4 +/** 1.5 + * OpenAL cross platform audio library 1.6 + * Copyright (C) 1999-2000 by authors. 1.7 + * This library is free software; you can redistribute it and/or 1.8 + * modify it under the terms of the GNU Library General Public 1.9 + * License as published by the Free Software Foundation; either 1.10 + * version 2 of the License, or (at your option) any later version. 1.11 + * 1.12 + * This library is distributed in the hope that it will be useful, 1.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of 1.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 1.15 + * Library General Public License for more details. 1.16 + * 1.17 + * You should have received a copy of the GNU Library General Public 1.18 + * License along with this library; if not, write to the 1.19 + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 1.20 + * Boston, MA 02111-1307, USA. 1.21 + * Or go to http://www.gnu.org/copyleft/lgpl.html 1.22 + */ 1.23 + 1.24 +#include "config.h" 1.25 + 1.26 +#include "alMain.h" 1.27 +#include "AL/alc.h" 1.28 +#include "alError.h" 1.29 +#include "alListener.h" 1.30 +#include "alSource.h" 1.31 + 1.32 +AL_API ALvoid AL_APIENTRY alListenerf(ALenum eParam, ALfloat flValue) 1.33 +{ 1.34 + ALCcontext *pContext; 1.35 + 1.36 + pContext = GetLockedContext(); 1.37 + if(!pContext) return; 1.38 + 1.39 + switch(eParam) 1.40 + { 1.41 + case AL_GAIN: 1.42 + if(flValue >= 0.0f && isfinite(flValue)) 1.43 + { 1.44 + pContext->Listener.Gain = flValue; 1.45 + pContext->UpdateSources = AL_TRUE; 1.46 + } 1.47 + else 1.48 + alSetError(pContext, AL_INVALID_VALUE); 1.49 + break; 1.50 + 1.51 + case AL_METERS_PER_UNIT: 1.52 + if(flValue > 0.0f && isfinite(flValue)) 1.53 + { 1.54 + pContext->Listener.MetersPerUnit = flValue; 1.55 + pContext->UpdateSources = AL_TRUE; 1.56 + } 1.57 + else 1.58 + alSetError(pContext, AL_INVALID_VALUE); 1.59 + break; 1.60 + 1.61 + default: 1.62 + alSetError(pContext, AL_INVALID_ENUM); 1.63 + break; 1.64 + } 1.65 + 1.66 + UnlockContext(pContext); 1.67 +} 1.68 + 1.69 + 1.70 +AL_API ALvoid AL_APIENTRY alListener3f(ALenum eParam, ALfloat flValue1, ALfloat flValue2, ALfloat flValue3) 1.71 +{ 1.72 + ALCcontext *pContext; 1.73 + 1.74 + pContext = GetLockedContext(); 1.75 + if(!pContext) return; 1.76 + 1.77 + switch(eParam) 1.78 + { 1.79 + case AL_POSITION: 1.80 + if(isfinite(flValue1) && isfinite(flValue2) && isfinite(flValue3)) 1.81 + { 1.82 + pContext->Listener.Position[0] = flValue1; 1.83 + pContext->Listener.Position[1] = flValue2; 1.84 + pContext->Listener.Position[2] = flValue3; 1.85 + pContext->UpdateSources = AL_TRUE; 1.86 + } 1.87 + else 1.88 + alSetError(pContext, AL_INVALID_VALUE); 1.89 + break; 1.90 + 1.91 + case AL_VELOCITY: 1.92 + if(isfinite(flValue1) && isfinite(flValue2) && isfinite(flValue3)) 1.93 + { 1.94 + pContext->Listener.Velocity[0] = flValue1; 1.95 + pContext->Listener.Velocity[1] = flValue2; 1.96 + pContext->Listener.Velocity[2] = flValue3; 1.97 + pContext->UpdateSources = AL_TRUE; 1.98 + } 1.99 + else 1.100 + alSetError(pContext, AL_INVALID_VALUE); 1.101 + break; 1.102 + 1.103 + default: 1.104 + alSetError(pContext, AL_INVALID_ENUM); 1.105 + break; 1.106 + } 1.107 + 1.108 + UnlockContext(pContext); 1.109 +} 1.110 + 1.111 + 1.112 +AL_API ALvoid AL_APIENTRY alListenerfv(ALenum eParam, const ALfloat *pflValues) 1.113 +{ 1.114 + ALCcontext *pContext; 1.115 + 1.116 + if(pflValues) 1.117 + { 1.118 + switch(eParam) 1.119 + { 1.120 + case AL_GAIN: 1.121 + case AL_METERS_PER_UNIT: 1.122 + alListenerf(eParam, pflValues[0]); 1.123 + return; 1.124 + 1.125 + case AL_POSITION: 1.126 + case AL_VELOCITY: 1.127 + alListener3f(eParam, pflValues[0], pflValues[1], pflValues[2]); 1.128 + return; 1.129 + } 1.130 + } 1.131 + 1.132 + pContext = GetLockedContext(); 1.133 + if(!pContext) return; 1.134 + 1.135 + if(pflValues) 1.136 + { 1.137 + switch(eParam) 1.138 + { 1.139 + case AL_ORIENTATION: 1.140 + if(isfinite(pflValues[0]) && isfinite(pflValues[1]) && 1.141 + isfinite(pflValues[2]) && isfinite(pflValues[3]) && 1.142 + isfinite(pflValues[4]) && isfinite(pflValues[5])) 1.143 + { 1.144 + // AT then UP 1.145 + pContext->Listener.Forward[0] = pflValues[0]; 1.146 + pContext->Listener.Forward[1] = pflValues[1]; 1.147 + pContext->Listener.Forward[2] = pflValues[2]; 1.148 + pContext->Listener.Up[0] = pflValues[3]; 1.149 + pContext->Listener.Up[1] = pflValues[4]; 1.150 + pContext->Listener.Up[2] = pflValues[5]; 1.151 + pContext->UpdateSources = AL_TRUE; 1.152 + } 1.153 + else 1.154 + alSetError(pContext, AL_INVALID_VALUE); 1.155 + break; 1.156 + 1.157 + default: 1.158 + alSetError(pContext, AL_INVALID_ENUM); 1.159 + break; 1.160 + } 1.161 + } 1.162 + else 1.163 + alSetError(pContext, AL_INVALID_VALUE); 1.164 + 1.165 + UnlockContext(pContext); 1.166 +} 1.167 + 1.168 + 1.169 +AL_API ALvoid AL_APIENTRY alListeneri(ALenum eParam, ALint lValue) 1.170 +{ 1.171 + ALCcontext *pContext; 1.172 + 1.173 + (void)lValue; 1.174 + 1.175 + pContext = GetLockedContext(); 1.176 + if(!pContext) return; 1.177 + 1.178 + switch(eParam) 1.179 + { 1.180 + default: 1.181 + alSetError(pContext, AL_INVALID_ENUM); 1.182 + break; 1.183 + } 1.184 + 1.185 + UnlockContext(pContext); 1.186 +} 1.187 + 1.188 + 1.189 +AL_API void AL_APIENTRY alListener3i(ALenum eParam, ALint lValue1, ALint lValue2, ALint lValue3) 1.190 +{ 1.191 + ALCcontext *pContext; 1.192 + 1.193 + switch(eParam) 1.194 + { 1.195 + case AL_POSITION: 1.196 + case AL_VELOCITY: 1.197 + alListener3f(eParam, (ALfloat)lValue1, (ALfloat)lValue2, (ALfloat)lValue3); 1.198 + return; 1.199 + } 1.200 + 1.201 + pContext = GetLockedContext(); 1.202 + if(!pContext) return; 1.203 + 1.204 + switch(eParam) 1.205 + { 1.206 + default: 1.207 + alSetError(pContext, AL_INVALID_ENUM); 1.208 + break; 1.209 + } 1.210 + 1.211 + UnlockContext(pContext); 1.212 +} 1.213 + 1.214 + 1.215 +AL_API void AL_APIENTRY alListeneriv( ALenum eParam, const ALint* plValues ) 1.216 +{ 1.217 + ALCcontext *pContext; 1.218 + ALfloat flValues[6]; 1.219 + 1.220 + if(plValues) 1.221 + { 1.222 + switch(eParam) 1.223 + { 1.224 + case AL_POSITION: 1.225 + case AL_VELOCITY: 1.226 + alListener3f(eParam, plValues[0], plValues[1], plValues[2]); 1.227 + return; 1.228 + 1.229 + case AL_ORIENTATION: 1.230 + flValues[0] = (ALfloat)plValues[0]; 1.231 + flValues[1] = (ALfloat)plValues[1]; 1.232 + flValues[2] = (ALfloat)plValues[2]; 1.233 + flValues[3] = (ALfloat)plValues[3]; 1.234 + flValues[4] = (ALfloat)plValues[4]; 1.235 + flValues[5] = (ALfloat)plValues[5]; 1.236 + alListenerfv(eParam, flValues); 1.237 + return; 1.238 + } 1.239 + } 1.240 + 1.241 + pContext = GetLockedContext(); 1.242 + if(!pContext) return; 1.243 + 1.244 + if(plValues) 1.245 + { 1.246 + switch(eParam) 1.247 + { 1.248 + default: 1.249 + alSetError(pContext, AL_INVALID_ENUM); 1.250 + break; 1.251 + } 1.252 + } 1.253 + else 1.254 + alSetError(pContext, AL_INVALID_VALUE); 1.255 + 1.256 + UnlockContext(pContext); 1.257 +} 1.258 + 1.259 + 1.260 +AL_API ALvoid AL_APIENTRY alGetListenerf(ALenum eParam, ALfloat *pflValue) 1.261 +{ 1.262 + ALCcontext *pContext; 1.263 + 1.264 + pContext = GetLockedContext(); 1.265 + if(!pContext) return; 1.266 + 1.267 + if(pflValue) 1.268 + { 1.269 + switch(eParam) 1.270 + { 1.271 + case AL_GAIN: 1.272 + *pflValue = pContext->Listener.Gain; 1.273 + break; 1.274 + 1.275 + case AL_METERS_PER_UNIT: 1.276 + *pflValue = pContext->Listener.MetersPerUnit; 1.277 + break; 1.278 + 1.279 + default: 1.280 + alSetError(pContext, AL_INVALID_ENUM); 1.281 + break; 1.282 + } 1.283 + } 1.284 + else 1.285 + alSetError(pContext, AL_INVALID_VALUE); 1.286 + 1.287 + UnlockContext(pContext); 1.288 +} 1.289 + 1.290 + 1.291 +AL_API ALvoid AL_APIENTRY alGetListener3f(ALenum eParam, ALfloat *pflValue1, ALfloat *pflValue2, ALfloat *pflValue3) 1.292 +{ 1.293 + ALCcontext *pContext; 1.294 + 1.295 + pContext = GetLockedContext(); 1.296 + if(!pContext) return; 1.297 + 1.298 + if(pflValue1 && pflValue2 && pflValue3) 1.299 + { 1.300 + switch(eParam) 1.301 + { 1.302 + case AL_POSITION: 1.303 + *pflValue1 = pContext->Listener.Position[0]; 1.304 + *pflValue2 = pContext->Listener.Position[1]; 1.305 + *pflValue3 = pContext->Listener.Position[2]; 1.306 + break; 1.307 + 1.308 + case AL_VELOCITY: 1.309 + *pflValue1 = pContext->Listener.Velocity[0]; 1.310 + *pflValue2 = pContext->Listener.Velocity[1]; 1.311 + *pflValue3 = pContext->Listener.Velocity[2]; 1.312 + break; 1.313 + 1.314 + default: 1.315 + alSetError(pContext, AL_INVALID_ENUM); 1.316 + break; 1.317 + } 1.318 + } 1.319 + else 1.320 + alSetError(pContext, AL_INVALID_VALUE); 1.321 + 1.322 + UnlockContext(pContext); 1.323 +} 1.324 + 1.325 + 1.326 +AL_API ALvoid AL_APIENTRY alGetListenerfv(ALenum eParam, ALfloat *pflValues) 1.327 +{ 1.328 + ALCcontext *pContext; 1.329 + 1.330 + switch(eParam) 1.331 + { 1.332 + case AL_GAIN: 1.333 + case AL_METERS_PER_UNIT: 1.334 + alGetListenerf(eParam, pflValues); 1.335 + return; 1.336 + 1.337 + case AL_POSITION: 1.338 + case AL_VELOCITY: 1.339 + alGetListener3f(eParam, pflValues+0, pflValues+1, pflValues+2); 1.340 + return; 1.341 + } 1.342 + 1.343 + pContext = GetLockedContext(); 1.344 + if(!pContext) return; 1.345 + 1.346 + if(pflValues) 1.347 + { 1.348 + switch(eParam) 1.349 + { 1.350 + case AL_ORIENTATION: 1.351 + // AT then UP 1.352 + pflValues[0] = pContext->Listener.Forward[0]; 1.353 + pflValues[1] = pContext->Listener.Forward[1]; 1.354 + pflValues[2] = pContext->Listener.Forward[2]; 1.355 + pflValues[3] = pContext->Listener.Up[0]; 1.356 + pflValues[4] = pContext->Listener.Up[1]; 1.357 + pflValues[5] = pContext->Listener.Up[2]; 1.358 + break; 1.359 + 1.360 + default: 1.361 + alSetError(pContext, AL_INVALID_ENUM); 1.362 + break; 1.363 + } 1.364 + } 1.365 + else 1.366 + alSetError(pContext, AL_INVALID_VALUE); 1.367 + 1.368 + UnlockContext(pContext); 1.369 +} 1.370 + 1.371 + 1.372 +AL_API ALvoid AL_APIENTRY alGetListeneri(ALenum eParam, ALint *plValue) 1.373 +{ 1.374 + ALCcontext *pContext; 1.375 + 1.376 + pContext = GetLockedContext(); 1.377 + if(!pContext) return; 1.378 + 1.379 + if(plValue) 1.380 + { 1.381 + switch(eParam) 1.382 + { 1.383 + default: 1.384 + alSetError(pContext, AL_INVALID_ENUM); 1.385 + break; 1.386 + } 1.387 + } 1.388 + else 1.389 + alSetError(pContext, AL_INVALID_VALUE); 1.390 + 1.391 + UnlockContext(pContext); 1.392 +} 1.393 + 1.394 + 1.395 +AL_API void AL_APIENTRY alGetListener3i(ALenum eParam, ALint *plValue1, ALint *plValue2, ALint *plValue3) 1.396 +{ 1.397 + ALCcontext *pContext; 1.398 + 1.399 + pContext = GetLockedContext(); 1.400 + if(!pContext) return; 1.401 + 1.402 + if(plValue1 && plValue2 && plValue3) 1.403 + { 1.404 + switch (eParam) 1.405 + { 1.406 + case AL_POSITION: 1.407 + *plValue1 = (ALint)pContext->Listener.Position[0]; 1.408 + *plValue2 = (ALint)pContext->Listener.Position[1]; 1.409 + *plValue3 = (ALint)pContext->Listener.Position[2]; 1.410 + break; 1.411 + 1.412 + case AL_VELOCITY: 1.413 + *plValue1 = (ALint)pContext->Listener.Velocity[0]; 1.414 + *plValue2 = (ALint)pContext->Listener.Velocity[1]; 1.415 + *plValue3 = (ALint)pContext->Listener.Velocity[2]; 1.416 + break; 1.417 + 1.418 + default: 1.419 + alSetError(pContext, AL_INVALID_ENUM); 1.420 + break; 1.421 + } 1.422 + } 1.423 + else 1.424 + alSetError(pContext, AL_INVALID_VALUE); 1.425 + 1.426 + UnlockContext(pContext); 1.427 +} 1.428 + 1.429 + 1.430 +AL_API void AL_APIENTRY alGetListeneriv(ALenum eParam, ALint* plValues) 1.431 +{ 1.432 + ALCcontext *pContext; 1.433 + 1.434 + switch(eParam) 1.435 + { 1.436 + case AL_POSITION: 1.437 + case AL_VELOCITY: 1.438 + alGetListener3i(eParam, plValues+0, plValues+1, plValues+2); 1.439 + return; 1.440 + } 1.441 + 1.442 + pContext = GetLockedContext(); 1.443 + if(!pContext) return; 1.444 + 1.445 + if(plValues) 1.446 + { 1.447 + switch(eParam) 1.448 + { 1.449 + case AL_ORIENTATION: 1.450 + // AT then UP 1.451 + plValues[0] = (ALint)pContext->Listener.Forward[0]; 1.452 + plValues[1] = (ALint)pContext->Listener.Forward[1]; 1.453 + plValues[2] = (ALint)pContext->Listener.Forward[2]; 1.454 + plValues[3] = (ALint)pContext->Listener.Up[0]; 1.455 + plValues[4] = (ALint)pContext->Listener.Up[1]; 1.456 + plValues[5] = (ALint)pContext->Listener.Up[2]; 1.457 + break; 1.458 + 1.459 + default: 1.460 + alSetError(pContext, AL_INVALID_ENUM); 1.461 + break; 1.462 + } 1.463 + } 1.464 + else 1.465 + alSetError(pContext, AL_INVALID_VALUE); 1.466 + 1.467 + UnlockContext(pContext); 1.468 +}