Mercurial > audio-send

     1 /**

     2  * OpenAL cross platform audio library

     3  * Copyright (C) 1999-2000 by authors.

     4  * This library is free software; you can redistribute it and/or

     5  *  modify it under the terms of the GNU Library General Public

     6  *  License as published by the Free Software Foundation; either

     7  *  version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  *  Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public

    15  *  License along with this library; if not, write to the

    16  *  Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    17  *  Boston, MA  02111-1307, USA.

    18  * Or go to http://www.gnu.org/copyleft/lgpl.html

    19  */

    20 

    21 #include "config.h"

    22 

    23 #include "alMain.h"

    24 #include "AL/alc.h"

    25 #include "alError.h"

    26 #include "alListener.h"

    27 #include "alSource.h"

    28 

    29 AL_API ALvoid AL_APIENTRY alListenerf(ALenum eParam, ALfloat flValue)

    30 {

    31     ALCcontext *pContext;

    32 

    33     pContext = GetLockedContext();

    34     if(!pContext) return;

    35 

    36     switch(eParam)

    37     {

    38         case AL_GAIN:

    39             if(flValue >= 0.0f && isfinite(flValue))

    40             {

    41                 pContext->Listener.Gain = flValue;

    42                 pContext->UpdateSources = AL_TRUE;

    43             }

    44             else

    45                 alSetError(pContext, AL_INVALID_VALUE);

    46             break;

    47 

    48         case AL_METERS_PER_UNIT:

    49             if(flValue > 0.0f && isfinite(flValue))

    50             {

    51                 pContext->Listener.MetersPerUnit = flValue;

    52                 pContext->UpdateSources = AL_TRUE;

    53             }

    54             else

    55                 alSetError(pContext, AL_INVALID_VALUE);

    56             break;

    57 

    58         default:

    59             alSetError(pContext, AL_INVALID_ENUM);

    60             break;

    61     }

    62 

    63     UnlockContext(pContext);

    64 }

    65 

    66 

    67 AL_API ALvoid AL_APIENTRY alListener3f(ALenum eParam, ALfloat flValue1, ALfloat flValue2, ALfloat flValue3)

    68 {

    69     ALCcontext *pContext;

    70 

    71     pContext = GetLockedContext();

    72     if(!pContext) return;

    73 

    74     switch(eParam)

    75     {

    76         case AL_POSITION:

    77             if(isfinite(flValue1) && isfinite(flValue2) && isfinite(flValue3))

    78             {

    79                 pContext->Listener.Position[0] = flValue1;

    80                 pContext->Listener.Position[1] = flValue2;

    81                 pContext->Listener.Position[2] = flValue3;

    82                 pContext->UpdateSources = AL_TRUE;

    83             }

    84             else

    85                 alSetError(pContext, AL_INVALID_VALUE);

    86             break;

    87 

    88         case AL_VELOCITY:

    89             if(isfinite(flValue1) && isfinite(flValue2) && isfinite(flValue3))

    90             {

    91                 pContext->Listener.Velocity[0] = flValue1;

    92                 pContext->Listener.Velocity[1] = flValue2;

    93                 pContext->Listener.Velocity[2] = flValue3;

    94                 pContext->UpdateSources = AL_TRUE;

    95             }

    96             else

    97                 alSetError(pContext, AL_INVALID_VALUE);

    98             break;

    99 

   100         default:

   101             alSetError(pContext, AL_INVALID_ENUM);

   102             break;

   103     }

   104 

   105     UnlockContext(pContext);

   106 }

   107 

   108 

   109 AL_API ALvoid AL_APIENTRY alListenerfv(ALenum eParam, const ALfloat *pflValues)

   110 {

   111     ALCcontext *pContext;

   112 

   113     if(pflValues)

   114     {

   115         switch(eParam)

   116         {

   117             case AL_GAIN:

   118             case AL_METERS_PER_UNIT:

   119                 alListenerf(eParam, pflValues[0]);

   120                 return;

   121 

   122             case AL_POSITION:

   123             case AL_VELOCITY:

   124                 alListener3f(eParam, pflValues[0], pflValues[1], pflValues[2]);

   125                 return;

   126         }

   127     }

   128 

   129     pContext = GetLockedContext();

   130     if(!pContext) return;

   131 

   132     if(pflValues)

   133     {

   134         switch(eParam)

   135         {

   136             case AL_ORIENTATION:

   137                 if(isfinite(pflValues[0]) && isfinite(pflValues[1]) &&

   138                    isfinite(pflValues[2]) && isfinite(pflValues[3]) &&

   139                    isfinite(pflValues[4]) && isfinite(pflValues[5]))

   140                 {

   141                     // AT then UP

   142                     pContext->Listener.Forward[0] = pflValues[0];

   143                     pContext->Listener.Forward[1] = pflValues[1];

   144                     pContext->Listener.Forward[2] = pflValues[2];

   145                     pContext->Listener.Up[0] = pflValues[3];

   146                     pContext->Listener.Up[1] = pflValues[4];

   147                     pContext->Listener.Up[2] = pflValues[5];

   148                     pContext->UpdateSources = AL_TRUE;

   149                 }

   150                 else

   151                     alSetError(pContext, AL_INVALID_VALUE);

   152                 break;

   153 

   154             default:

   155                 alSetError(pContext, AL_INVALID_ENUM);

   156                 break;

   157         }

   158     }

   159     else

   160         alSetError(pContext, AL_INVALID_VALUE);

   161 

   162     UnlockContext(pContext);

   163 }

   164 

   165 

   166 AL_API ALvoid AL_APIENTRY alListeneri(ALenum eParam, ALint lValue)

   167 {

   168     ALCcontext *pContext;

   169 

   170     (void)lValue;

   171 

   172     pContext = GetLockedContext();

   173     if(!pContext) return;

   174 

   175     switch(eParam)

   176     {

   177         default:

   178             alSetError(pContext, AL_INVALID_ENUM);

   179             break;

   180     }

   181 

   182     UnlockContext(pContext);

   183 }

   184 

   185 

   186 AL_API void AL_APIENTRY alListener3i(ALenum eParam, ALint lValue1, ALint lValue2, ALint lValue3)

   187 {

   188     ALCcontext *pContext;

   189 

   190     switch(eParam)

   191     {

   192         case AL_POSITION:

   193         case AL_VELOCITY:

   194             alListener3f(eParam, (ALfloat)lValue1, (ALfloat)lValue2, (ALfloat)lValue3);

   195             return;

   196     }

   197 

   198     pContext = GetLockedContext();

   199     if(!pContext) return;

   200 

   201     switch(eParam)

   202     {

   203         default:

   204             alSetError(pContext, AL_INVALID_ENUM);

   205             break;

   206     }

   207 

   208     UnlockContext(pContext);

   209 }

   210 

   211 

   212 AL_API void AL_APIENTRY alListeneriv( ALenum eParam, const ALint* plValues )

   213 {

   214     ALCcontext *pContext;

   215     ALfloat flValues[6];

   216 

   217     if(plValues)

   218     {

   219         switch(eParam)

   220         {

   221             case AL_POSITION:

   222             case AL_VELOCITY:

   223                 alListener3f(eParam, plValues[0], plValues[1], plValues[2]);

   224                 return;

   225 

   226             case AL_ORIENTATION:

   227                 flValues[0] = (ALfloat)plValues[0];

   228                 flValues[1] = (ALfloat)plValues[1];

   229                 flValues[2] = (ALfloat)plValues[2];

   230                 flValues[3] = (ALfloat)plValues[3];

   231                 flValues[4] = (ALfloat)plValues[4];

   232                 flValues[5] = (ALfloat)plValues[5];

   233                 alListenerfv(eParam, flValues);

   234                 return;

   235         }

   236     }

   237 

   238     pContext = GetLockedContext();

   239     if(!pContext) return;

   240 

   241     if(plValues)

   242     {

   243         switch(eParam)

   244         {

   245             default:

   246                 alSetError(pContext, AL_INVALID_ENUM);

   247                 break;

   248         }

   249     }

   250     else

   251         alSetError(pContext, AL_INVALID_VALUE);

   252 

   253     UnlockContext(pContext);

   254 }

   255 

   256 

   257 AL_API ALvoid AL_APIENTRY alGetListenerf(ALenum eParam, ALfloat *pflValue)

   258 {

   259     ALCcontext *pContext;

   260 

   261     pContext = GetLockedContext();

   262     if(!pContext) return;

   263 

   264     if(pflValue)

   265     {

   266         switch(eParam)

   267         {

   268             case AL_GAIN:

   269                 *pflValue = pContext->Listener.Gain;

   270                 break;

   271 

   272             case AL_METERS_PER_UNIT:

   273                 *pflValue = pContext->Listener.MetersPerUnit;

   274                 break;

   275 

   276             default:

   277                 alSetError(pContext, AL_INVALID_ENUM);

   278                 break;

   279         }

   280     }

   281     else

   282         alSetError(pContext, AL_INVALID_VALUE);

   283 

   284     UnlockContext(pContext);

   285 }

   286 

   287 

   288 AL_API ALvoid AL_APIENTRY alGetListener3f(ALenum eParam, ALfloat *pflValue1, ALfloat *pflValue2, ALfloat *pflValue3)

   289 {

   290     ALCcontext *pContext;

   291 

   292     pContext = GetLockedContext();

   293     if(!pContext) return;

   294 

   295     if(pflValue1 && pflValue2 && pflValue3)

   296     {

   297         switch(eParam)

   298         {

   299             case AL_POSITION:

   300                 *pflValue1 = pContext->Listener.Position[0];

   301                 *pflValue2 = pContext->Listener.Position[1];

   302                 *pflValue3 = pContext->Listener.Position[2];

   303                 break;

   304 

   305             case AL_VELOCITY:

   306                 *pflValue1 = pContext->Listener.Velocity[0];

   307                 *pflValue2 = pContext->Listener.Velocity[1];

   308                 *pflValue3 = pContext->Listener.Velocity[2];

   309                 break;

   310 

   311             default:

   312                 alSetError(pContext, AL_INVALID_ENUM);

   313                 break;

   314         }

   315     }

   316     else

   317         alSetError(pContext, AL_INVALID_VALUE);

   318 

   319     UnlockContext(pContext);

   320 }

   321 

   322 

   323 AL_API ALvoid AL_APIENTRY alGetListenerfv(ALenum eParam, ALfloat *pflValues)

   324 {

   325     ALCcontext *pContext;

   326 

   327     switch(eParam)

   328     {

   329         case AL_GAIN:

   330         case AL_METERS_PER_UNIT:

   331             alGetListenerf(eParam, pflValues);

   332             return;

   333 

   334         case AL_POSITION:

   335         case AL_VELOCITY:

   336             alGetListener3f(eParam, pflValues+0, pflValues+1, pflValues+2);

   337             return;

   338     }

   339 

   340     pContext = GetLockedContext();

   341     if(!pContext) return;

   342 

   343     if(pflValues)

   344     {

   345         switch(eParam)

   346         {

   347             case AL_ORIENTATION:

   348                 // AT then UP

   349                 pflValues[0] = pContext->Listener.Forward[0];

   350                 pflValues[1] = pContext->Listener.Forward[1];

   351                 pflValues[2] = pContext->Listener.Forward[2];

   352                 pflValues[3] = pContext->Listener.Up[0];

   353                 pflValues[4] = pContext->Listener.Up[1];

   354                 pflValues[5] = pContext->Listener.Up[2];

   355                 break;

   356 

   357             default:

   358                 alSetError(pContext, AL_INVALID_ENUM);

   359                 break;

   360         }

   361     }

   362     else

   363         alSetError(pContext, AL_INVALID_VALUE);

   364 

   365     UnlockContext(pContext);

   366 }

   367 

   368 

   369 AL_API ALvoid AL_APIENTRY alGetListeneri(ALenum eParam, ALint *plValue)

   370 {

   371     ALCcontext *pContext;

   372 

   373     pContext = GetLockedContext();

   374     if(!pContext) return;

   375 

   376     if(plValue)

   377     {

   378         switch(eParam)

   379         {

   380             default:

   381                 alSetError(pContext, AL_INVALID_ENUM);

   382                 break;

   383         }

   384     }

   385     else

   386         alSetError(pContext, AL_INVALID_VALUE);

   387 

   388     UnlockContext(pContext);

   389 }

   390 

   391 

   392 AL_API void AL_APIENTRY alGetListener3i(ALenum eParam, ALint *plValue1, ALint *plValue2, ALint *plValue3)

   393 {

   394     ALCcontext *pContext;

   395 

   396     pContext = GetLockedContext();

   397     if(!pContext) return;

   398 

   399     if(plValue1 && plValue2 && plValue3)

   400     {

   401         switch (eParam)

   402         {

   403             case AL_POSITION:

   404                 *plValue1 = (ALint)pContext->Listener.Position[0];

   405                 *plValue2 = (ALint)pContext->Listener.Position[1];

   406                 *plValue3 = (ALint)pContext->Listener.Position[2];

   407                 break;

   408 

   409             case AL_VELOCITY:

   410                 *plValue1 = (ALint)pContext->Listener.Velocity[0];

   411                 *plValue2 = (ALint)pContext->Listener.Velocity[1];

   412                 *plValue3 = (ALint)pContext->Listener.Velocity[2];

   413                 break;

   414 

   415             default:

   416                 alSetError(pContext, AL_INVALID_ENUM);

   417                 break;

   418         }

   419     }

   420     else

   421         alSetError(pContext, AL_INVALID_VALUE);

   422 

   423     UnlockContext(pContext);

   424 }

   425 

   426 

   427 AL_API void AL_APIENTRY alGetListeneriv(ALenum eParam, ALint* plValues)

   428 {

   429     ALCcontext *pContext;

   430 

   431     switch(eParam)

   432     {

   433         case AL_POSITION:

   434         case AL_VELOCITY:

   435             alGetListener3i(eParam, plValues+0, plValues+1, plValues+2);

   436             return;

   437     }

   438 

   439     pContext = GetLockedContext();

   440     if(!pContext) return;

   441 

   442     if(plValues)

   443     {

   444         switch(eParam)

   445         {

   446             case AL_ORIENTATION:

   447                 // AT then UP

   448                 plValues[0] = (ALint)pContext->Listener.Forward[0];

   449                 plValues[1] = (ALint)pContext->Listener.Forward[1];

   450                 plValues[2] = (ALint)pContext->Listener.Forward[2];

   451                 plValues[3] = (ALint)pContext->Listener.Up[0];

   452                 plValues[4] = (ALint)pContext->Listener.Up[1];

   453                 plValues[5] = (ALint)pContext->Listener.Up[2];

   454                 break;

   455 

   456             default:

   457                 alSetError(pContext, AL_INVALID_ENUM);

   458                 break;

   459         }

   460     }

   461     else

   462         alSetError(pContext, AL_INVALID_VALUE);

   463 

   464     UnlockContext(pContext);

   465 }
author	Robert McIntyre <rlm@mit.edu>
date	Tue, 25 Oct 2011 13:02:31 -0700
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