Router/OpenAL32.cpp

   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
  22
  23
  24 #include <windows.h>
  25 #include "OpenAL32.h"
  26
  27
  28 void CleanDeviceEnumeration();
  29 void CleanDeviceList(ALDEVICE *pDeviceList);
  30
  31 //*****************************************************************************
  32 // DllMain
  33 //*****************************************************************************
  34 //
  35 BOOL APIENTRY DllMain(HANDLE module, DWORD reason, LPVOID reserved)
  36 {
  37     BOOL result = TRUE;
  38
  39     // Perform actions based on the reason for calling.
  40     switch(reason)
  41     {
  42         case DLL_PROCESS_ATTACH:
  43             // Create the context list lock so I can safely add/remove contexts.
  44             result = alListCreate(&alContextList);
  45             break;
  46
  47         case DLL_THREAD_ATTACH:
  48             // Do thread-specific initialization.
  49             break;
  50
  51         case DLL_THREAD_DETACH:
  52             // Do thread-specific cleanup.
  53             break;
  54
  55         case DLL_PROCESS_DETACH:
  56             // Perform any necessary cleanup.
  57                         CleanDeviceEnumeration();
  58             alListFree(alContextList);
  59             alContextList = 0;
  60             break;
  61     }
  62
  63     return TRUE;
  64 }
  65
  66
  67 void CleanDeviceEnumeration()
  68 {
  69         if (pszDefaultDeviceSpecifier)
  70         {
  71                 free(pszDefaultDeviceSpecifier);
  72                 pszDefaultDeviceSpecifier = NULL;
  73         }
  74
  75         if (pszDeviceSpecifierList)
  76         {
  77                 free(pszDeviceSpecifierList);
  78                 pszDeviceSpecifierList = NULL;
  79         }
  80
  81         if (pszDefaultCaptureDeviceSpecifier)
  82         {
  83                 free(pszDefaultCaptureDeviceSpecifier);
  84                 pszDefaultCaptureDeviceSpecifier = NULL;
  85         }
  86
  87         if (pszCaptureDeviceSpecifierList)
  88         {
  89                 free(pszCaptureDeviceSpecifierList);
  90                 pszCaptureDeviceSpecifierList = NULL;
  91         }
  92
  93         if (pszDefaultAllDevicesSpecifier)
  94         {
  95                 free(pszDefaultAllDevicesSpecifier);
  96                 pszDefaultAllDevicesSpecifier = NULL;
  97         }
  98
  99         if (pszAllDevicesSpecifierList)
 100         {
 101                 free(pszAllDevicesSpecifierList);
 102                 pszAllDevicesSpecifierList = NULL;
 103         }
 104
 105         CleanDeviceList(g_pDeviceList);
 106         g_pDeviceList = NULL;
 107
 108         CleanDeviceList(g_pCaptureDeviceList);
 109         g_pCaptureDeviceList = NULL;
 110
 111         CleanDeviceList(g_pAllDevicesList);
 112         g_pAllDevicesList = NULL;
 113 }
 114
 115 void CleanDeviceList(ALDEVICE *pDeviceList)
 116 {
 117         ALDEVICE *pDevice, *pNextDevice;
 118
 119         pDevice = pDeviceList;
 120
 121         while (pDevice)
 122         {
 123                 pNextDevice = pDevice->pNextDevice;
 124
 125                 if (pDevice->pszHostDLLFilename)
 126                         free(pDevice->pszHostDLLFilename);
 127
 128                 if (pDevice->pszDeviceName)
 129                         free(pDevice->pszDeviceName);
 130
 131                 free(pDevice);
 132
 133                 pDevice = pNextDevice;
 134         }
 135 }