include/cecloader.h

   1 /*
   2  * This file is part of the libCEC(R) library.
   3  *
   4  * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited.  All rights reserved.
   5  * libCEC(R) is an original work, containing original code.
   6  *
   7  * libCEC(R) is a trademark of Pulse-Eight Limited.
   8  *
   9  * This program is dual-licensed; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22  *
  23  *
  24  * Alternatively, you can license this library under a commercial license,
  25  * please contact Pulse-Eight Licensing for more information.
  26  *
  27  * For more information contact:
  28  * Pulse-Eight Licensing       <license@pulse-eight.com>
  29  *     http://www.pulse-eight.com/
  30  *     http://www.pulse-eight.net/
  31  */
  32
  33 #ifndef CECLOADER_H_
  34 #define CECLOADER_H_
  35
  36 #if defined(_WIN32) || defined(_WIN64)
  37 #include <windows.h>
  38 #include <conio.h>
  39
  40 HINSTANCE g_libCEC = NULL;
  41
  42 CEC::ICECAdapter *LoadLibCec(const char *strName, CEC::cec_logical_address iLogicalAddress = CEC::CECDEVICE_PLAYBACKDEVICE1, uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS, const char *strLib = NULL)
  43 {
  44   if (!g_libCEC)
  45     g_libCEC = LoadLibrary(strLib ? strLib : "libcec.dll");
  46   if (!g_libCEC)
  47     return NULL;
  48
  49   typedef void* (__cdecl*_CreateLibCec)(const char *, uint8_t, uint16_t);
  50   _CreateLibCec CreateLibCec;
  51   CreateLibCec = (_CreateLibCec) (GetProcAddress(g_libCEC, "CECCreate"));
  52   if (!CreateLibCec)
  53     return NULL;
  54   return static_cast< CEC::ICECAdapter* > (CreateLibCec(strName, (uint8_t) iLogicalAddress, iPhysicalAddress));
  55 }
  56
  57 CEC::ICECAdapter *LibCecInit(const char *strDeviceName, CEC::cec_device_type_list types, const char *strLib = NULL)
  58 {
  59   if (!g_libCEC)
  60     g_libCEC = LoadLibrary(strLib ? strLib : "libcec.dll");
  61   if (!g_libCEC)
  62     return NULL;
  63
  64   typedef void* (__cdecl*_LibCecInit)(const char *, CEC::cec_device_type_list);
  65   _LibCecInit LibCecInit;
  66   LibCecInit = (_LibCecInit) (GetProcAddress(g_libCEC, "CECInit"));
  67   if (!LibCecInit)
  68     return NULL;
  69   return static_cast< CEC::ICECAdapter* > (LibCecInit(strDeviceName, types));
  70 }
  71
  72 void UnloadLibCec(CEC::ICECAdapter *device)
  73 {
  74   typedef void (__cdecl*_DestroyLibCec)(void * device);
  75   _DestroyLibCec DestroyLibCec;
  76   DestroyLibCec = (_DestroyLibCec) (GetProcAddress(g_libCEC, "CECDestroy"));
  77   if (DestroyLibCec)
  78     DestroyLibCec(device);
  79
  80   FreeLibrary(g_libCEC);
  81   g_libCEC = NULL;
  82 }
  83
  84 #else
  85
  86 #include <dlfcn.h>
  87
  88 void *g_libCEC = NULL;
  89
  90 CEC::ICECAdapter *LoadLibCec(const char *strName, CEC::cec_logical_address iLogicalAddress = CEC::CECDEVICE_PLAYBACKDEVICE1, uint16_t iPhysicalAddress = CEC_DEFAULT_PHYSICAL_ADDRESS, const char *strLib = NULL)
  91 {
  92   if (!g_libCEC)
  93   {
  94 #if defined(__APPLE__)
  95     g_libCEC = dlopen(strLib ? strLib : "libcec.dylib", RTLD_LAZY);
  96 #else
  97     g_libCEC = dlopen(strLib ? strLib : "libcec.so", RTLD_LAZY);
  98 #endif
  99     if (!g_libCEC)
 100     {
 101 #if defined(__APPLE__)
 102       cout << "cannot find " << (strLib ? strLib : "libcec.dylib") << dlerror() << endl;
 103 #else
 104       cout << "cannot find " << (strLib ? strLib : "libcec.so") << dlerror() << endl;
 105 #endif
 106       return NULL;
 107     }
 108   }
 109
 110   typedef void* _CreateLibCec(const char *, uint8_t, uint16_t);
 111   _CreateLibCec* CreateLibCec = (_CreateLibCec*) dlsym(g_libCEC, "CECCreate");
 112   if (!CreateLibCec)
 113   {
 114     cout << "cannot find CECCreate" << endl;
 115     return NULL;
 116   }
 117
 118   return (CEC::ICECAdapter*) CreateLibCec(strName, iLogicalAddress, iPhysicalAddress);
 119 }
 120
 121 CEC::ICECAdapter *LibCecInit(const char *strDeviceName, CEC::cec_device_type_list types, const char *strLib = NULL)
 122 {
 123   if (!g_libCEC)
 124   {
 125 #if defined(__APPLE__)
 126     g_libCEC = dlopen(strLib ? strLib : "libcec.dylib", RTLD_LAZY);
 127 #else
 128     g_libCEC = dlopen(strLib ? strLib : "libcec.so", RTLD_LAZY);
 129 #endif
 130     if (!g_libCEC)
 131     {
 132 #if defined(__APPLE__)
 133       cout << "cannot find " << (strLib ? strLib : "libcec.dylib") << dlerror() << endl;
 134 #else
 135       cout << "cannot find " << (strLib ? strLib : "libcec.so") << dlerror() << endl;
 136 #endif
 137       return NULL;
 138     }
 139   }
 140
 141   typedef void* _LibCecInit(const char *, CEC::cec_device_type_list);
 142   _LibCecInit* LibCecInit = (_LibCecInit*) dlsym(g_libCEC, "CECInit");
 143   if (!LibCecInit)
 144   {
 145     cout << "cannot find CECInit" << endl;
 146     return NULL;
 147   }
 148
 149   return (CEC::ICECAdapter*) LibCecInit(strDeviceName, types);
 150 }
 151
 152 void UnloadLibCec(CEC::ICECAdapter *device)
 153 {
 154   typedef void* _DestroyLibCec(CEC::ICECAdapter *);
 155   _DestroyLibCec *DestroyLibCec = (_DestroyLibCec*) dlsym(g_libCEC, "CECDestroy");
 156   if (DestroyLibCec)
 157     DestroyLibCec(device);
 158
 159   dlclose(g_libCEC);
 160 }
 161
 162 #endif
 163
 164 #endif /* CECLOADER_H_ */