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 void UnloadLibCec(CEC::ICECAdapter *device)
  58 {
  59   typedef void (__cdecl*_DestroyLibCec)(void * device);
  60   _DestroyLibCec DestroyLibCec;
  61   DestroyLibCec = (_DestroyLibCec) (GetProcAddress(g_libCEC, "CECDestroy"));
  62   if (DestroyLibCec)
  63     DestroyLibCec(device);
  64
  65   FreeLibrary(g_libCEC);
  66   g_libCEC = NULL;
  67 }
  68
  69 #else
  70
  71 #include <dlfcn.h>
  72
  73 void *g_libCEC = NULL;
  74
  75 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)
  76 {
  77   if (!g_libCEC)
  78   {
  79 #if defined(__APPLE__)
  80     g_libCEC = dlopen(strLib ? strLib : "libcec.dylib", RTLD_LAZY);
  81 #else
  82     g_libCEC = dlopen(strLib ? strLib : "libcec.so", RTLD_LAZY);
  83 #endif
  84     if (!g_libCEC)
  85     {
  86 #if defined(__APPLE__)
  87       cout << "cannot find " << (strLib ? strLib : "libcec.dylib") << dlerror() << endl;
  88 #else
  89       cout << "cannot find " << (strLib ? strLib : "libcec.so") << dlerror() << endl;
  90 #endif
  91       return NULL;
  92     }
  93   }
  94
  95   typedef void* _CreateLibCec(const char *, uint8_t, uint16_t);
  96   _CreateLibCec* CreateLibCec = (_CreateLibCec*) dlsym(g_libCEC, "CECCreate");
  97   if (!CreateLibCec)
  98   {
  99     cout << "cannot find CreateLibCec" << endl;
 100     return NULL;
 101   }
 102
 103   return (CEC::ICECAdapter*) CreateLibCec(strName, iLogicalAddress, iPhysicalAddress);
 104 }
 105
 106 void UnloadLibCec(CEC::ICECAdapter *device)
 107 {
 108   typedef void* _DestroyLibCec(CEC::ICECAdapter *);
 109   _DestroyLibCec *DestroyLibCec = (_DestroyLibCec*) dlsym(g_libCEC, "CECDestroy");
 110   if (DestroyLibCec)
 111     DestroyLibCec(device);
 112
 113   dlclose(g_libCEC);
 114 }
 115
 116 #endif
 117
 118 #endif /* CECLOADER_H_ */