include/asiodrivers.cpp

   1 #include <string.h>\r
   2 #include "asiodrivers.h"\r
   3 \r
   4 AsioDrivers* asioDrivers = 0;\r
   5 \r
   6 bool loadAsioDriver(char *name);\r
   7 \r
   8 bool loadAsioDriver(char *name)\r
   9 {\r
  10         if(!asioDrivers)\r
  11                 asioDrivers = new AsioDrivers();\r
  12         if(asioDrivers)\r
  13                 return asioDrivers->loadDriver(name);\r
  14         return false;\r
  15 }\r
  16 \r
  17 //------------------------------------------------------------------------------------\r
  18 \r
  19 #if MAC\r
  20 \r
  21 bool resolveASIO(unsigned long aconnID);\r
  22 \r
  23 AsioDrivers::AsioDrivers() : CodeFragments("ASIO Drivers", 'AsDr', 'Asio')\r
  24 {\r
  25         connID = -1;\r
  26         curIndex = -1;\r
  27 }\r
  28 \r
  29 AsioDrivers::~AsioDrivers()\r
  30 {\r
  31         removeCurrentDriver();\r
  32 }\r
  33 \r
  34 bool AsioDrivers::getCurrentDriverName(char *name)\r
  35 {\r
  36         if(curIndex >= 0)\r
  37                 return getName(curIndex, name);\r
  38         return false;\r
  39 }\r
  40 \r
  41 long AsioDrivers::getDriverNames(char **names, long maxDrivers)\r
  42 {\r
  43         for(long i = 0; i < getNumFragments() && i < maxDrivers; i++)\r
  44                 getName(i, names[i]);\r
  45         return getNumFragments() < maxDrivers ? getNumFragments() : maxDrivers;\r
  46 }\r
  47 \r
  48 bool AsioDrivers::loadDriver(char *name)\r
  49 {\r
  50         char dname[64];\r
  51         unsigned long newID;\r
  52 \r
  53         for(long i = 0; i < getNumFragments(); i++)\r
  54         {\r
  55                 if(getName(i, dname) && !strcmp(name, dname))\r
  56                 {\r
  57                         if(newInstance(i, &newID))\r
  58                         {\r
  59                                 if(resolveASIO(newID))\r
  60                                 {\r
  61                                         if(connID != -1)\r
  62                                                 removeInstance(curIndex, connID);\r
  63                                         curIndex = i;\r
  64                                         connID = newID;\r
  65                                         return true;\r
  66                                 }\r
  67                         }\r
  68                         break;\r
  69                 }\r
  70         }\r
  71         return false;\r
  72 }\r
  73 \r
  74 void AsioDrivers::removeCurrentDriver()\r
  75 {\r
  76         if(connID != -1)\r
  77                 removeInstance(curIndex, connID);\r
  78         connID = -1;\r
  79         curIndex = -1;\r
  80 }\r
  81 \r
  82 //------------------------------------------------------------------------------------\r
  83 \r
  84 #elif WINDOWS\r
  85 \r
  86 #include "iasiodrv.h"\r
  87 \r
  88 extern IASIO* theAsioDriver;\r
  89 \r
  90 AsioDrivers::AsioDrivers() : AsioDriverList()\r
  91 {\r
  92         curIndex = -1;\r
  93 }\r
  94 \r
  95 AsioDrivers::~AsioDrivers()\r
  96 {\r
  97 }\r
  98 \r
  99 bool AsioDrivers::getCurrentDriverName(char *name)\r
 100 {\r
 101         if(curIndex >= 0)\r
 102                 return asioGetDriverName(curIndex, name, 32) == 0 ? true : false;\r
 103         name[0] = 0;\r
 104         return false;\r
 105 }\r
 106 \r
 107 long AsioDrivers::getDriverNames(char **names, long maxDrivers)\r
 108 {\r
 109         for(long i = 0; i < asioGetNumDev() && i < maxDrivers; i++)\r
 110                 asioGetDriverName(i, names[i], 32);\r
 111         return asioGetNumDev() < maxDrivers ? asioGetNumDev() : maxDrivers;\r
 112 }\r
 113 \r
 114 bool AsioDrivers::loadDriver(char *name)\r
 115 {\r
 116         char dname[64];\r
 117         char curName[64];\r
 118 \r
 119         for(long i = 0; i < asioGetNumDev(); i++)\r
 120         {\r
 121                 if(!asioGetDriverName(i, dname, 32) && !strcmp(name, dname))\r
 122                 {\r
 123                         curName[0] = 0;\r
 124                         getCurrentDriverName(curName);  // in case we fail...\r
 125                         removeCurrentDriver();\r
 126 \r
 127                         if(!asioOpenDriver(i, (void **)&theAsioDriver))\r
 128                         {\r
 129                                 curIndex = i;\r
 130                                 return true;\r
 131                         }\r
 132                         else\r
 133                         {\r
 134                                 theAsioDriver = 0;\r
 135                                 if(curName[0] && strcmp(dname, curName))\r
 136                                         loadDriver(curName);    // try restore\r
 137                         }\r
 138                         break;\r
 139                 }\r
 140         }\r
 141         return false;\r
 142 }\r
 143 \r
 144 void AsioDrivers::removeCurrentDriver()\r
 145 {\r
 146         if(curIndex != -1)\r
 147                 asioCloseDriver(curIndex);\r
 148         curIndex = -1;\r
 149 }\r
 150 \r
 151 #elif SGI || BEOS\r
 152 \r
 153 #include "asiolist.h"\r
 154 \r
 155 AsioDrivers::AsioDrivers() \r
 156         : AsioDriverList()\r
 157 {\r
 158         curIndex = -1;\r
 159 }\r
 160 \r
 161 AsioDrivers::~AsioDrivers()\r
 162 {\r
 163 }\r
 164 \r
 165 bool AsioDrivers::getCurrentDriverName(char *name)\r
 166 {\r
 167         return false;\r
 168 }\r
 169 \r
 170 long AsioDrivers::getDriverNames(char **names, long maxDrivers)\r
 171 {\r
 172         return 0;\r
 173 }\r
 174 \r
 175 bool AsioDrivers::loadDriver(char *name)\r
 176 {\r
 177         return false;\r
 178 }\r
 179 \r
 180 void AsioDrivers::removeCurrentDriver()\r
 181 {\r
 182 }\r
 183 \r
 184 #else\r
 185 #error implement me\r
 186 #endif\r