cec: only replace handlers in the background thread in CCECProcessor. don't keep...
[deb_libcec.git] / include / cecloader.h
1 #pragma once
2 /*
3 * This file is part of the libCEC(R) library.
4 *
5 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
7 *
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
9 *
10 * This program is dual-licensed; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 *
24 *
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
27 *
28 * For more information contact:
29 * Pulse-Eight Licensing <license@pulse-eight.com>
30 * http://www.pulse-eight.com/
31 * http://www.pulse-eight.net/
32 */
33
34 #ifndef CECLOADER_H_
35 #define CECLOADER_H_
36
37 #if defined(_WIN32) || defined(_WIN64)
38 #include <windows.h>
39 #include <conio.h>
40
41 HINSTANCE g_libCEC = NULL;
42
43 /*!
44 * @brief Create a new libCEC instance.
45 * @param strDeviceName The name of the primary device to pass to other CEC devices.
46 * @param types The list of device types to register on the bus.
47 * @param strLib The name of and/or path to libCEC
48 * @return An instance of libCEC or NULL when it failed to load.
49 */
50 CEC::ICECAdapter *LibCecInit(const char *strDeviceName, CEC::cec_device_type_list types, const char *strLib = NULL)
51 {
52 if (!g_libCEC)
53 #if defined(_WIN64)
54 g_libCEC = LoadLibrary(strLib ? strLib : "libcec.x64.dll");
55 #else
56 g_libCEC = LoadLibrary(strLib ? strLib : "libcec.dll");
57 #endif
58 if (!g_libCEC)
59 return NULL;
60
61 typedef void* (__cdecl*_LibCecInit)(const char *, CEC::cec_device_type_list);
62 _LibCecInit LibCecInit;
63 LibCecInit = (_LibCecInit) (GetProcAddress(g_libCEC, "CECInit"));
64 if (!LibCecInit)
65 return NULL;
66 return static_cast< CEC::ICECAdapter* > (LibCecInit(strDeviceName, types));
67 }
68
69 /*!
70 * @brief Create a new libCEC instance.
71 * @param configuration The configuration to pass to libCEC
72 * @param strLib The name of and/or path to libCEC
73 * @return An instance of ICECAdapter or NULL on error.
74 */
75 CEC::ICECAdapter *LibCecInitialise(const CEC::libcec_configuration *configuration, const char *strLib = NULL)
76 {
77 if (!g_libCEC)
78 #if defined(_WIN64)
79 g_libCEC = LoadLibrary(strLib ? strLib : "libcec.x64.dll");
80 #else
81 g_libCEC = LoadLibrary(strLib ? strLib : "libcec.dll");
82 #endif
83 if (!g_libCEC)
84 return NULL;
85
86 typedef void* (__cdecl*_LibCecInitialise)(const CEC::libcec_configuration *);
87 _LibCecInitialise LibCecInitialise;
88 LibCecInitialise = (_LibCecInitialise) (GetProcAddress(g_libCEC, "CECInitialise"));
89 if (!LibCecInitialise)
90 {
91 cout << "cannot find CECInitialise" << endl;
92 return NULL;
93 }
94
95 return static_cast< CEC::ICECAdapter* > (LibCecInitialise(configuration));
96 }
97
98 /*!
99 * @brief Destroy an instance of libCEC.
100 * @param device The instance to destroy.
101 */
102 void UnloadLibCec(CEC::ICECAdapter *device)
103 {
104 typedef void (__cdecl*_DestroyLibCec)(void * device);
105 _DestroyLibCec DestroyLibCec;
106 DestroyLibCec = (_DestroyLibCec) (GetProcAddress(g_libCEC, "CECDestroy"));
107 if (DestroyLibCec)
108 DestroyLibCec(device);
109
110 FreeLibrary(g_libCEC);
111 g_libCEC = NULL;
112 }
113
114 #else
115
116 #include <dlfcn.h>
117
118 void *g_libCEC = NULL;
119
120 /*!
121 * @brief Create a new libCEC instance.
122 * @param strDeviceName The name of the primary device to pass to other CEC devices.
123 * @param types The list of device types to register on the bus.
124 * @param strLib The name of and/or path to libCEC
125 * @return An instance of libCEC or NULL when it failed to load.
126 */
127 CEC::ICECAdapter *LibCecInit(const char *strDeviceName, CEC::cec_device_type_list types, const char *strLib = NULL)
128 {
129 if (!g_libCEC)
130 {
131 #if defined(__APPLE__)
132 g_libCEC = dlopen(strLib ? strLib : "libcec.dylib", RTLD_LAZY);
133 #else
134 g_libCEC = dlopen(strLib ? strLib : "libcec.so", RTLD_LAZY);
135 #endif
136 if (!g_libCEC)
137 {
138 #if defined(__APPLE__)
139 cout << "cannot find " << (strLib ? strLib : "libcec.dylib") << dlerror() << endl;
140 #else
141 cout << "cannot find " << (strLib ? strLib : "libcec.so") << dlerror() << endl;
142 #endif
143 return NULL;
144 }
145 }
146
147 typedef void* _LibCecInit(const char *, CEC::cec_device_type_list);
148 _LibCecInit* LibCecInit = (_LibCecInit*) dlsym(g_libCEC, "CECInit");
149 if (!LibCecInit)
150 {
151 cout << "cannot find CECInit" << endl;
152 return NULL;
153 }
154
155 return (CEC::ICECAdapter*) LibCecInit(strDeviceName, types);
156 }
157
158 /*!
159 * @brief Create a new libCEC instance.
160 * @param configuration The configuration to pass to libCEC
161 * @param strLib The name of and/or path to libCEC
162 * @return An instance of ICECAdapter or NULL on error.
163 */
164 CEC::ICECAdapter *LibCecInitialise(const CEC::libcec_configuration *configuration, const char *strLib = NULL)
165 {
166 if (!g_libCEC)
167 {
168 #if defined(__APPLE__)
169 g_libCEC = dlopen(strLib ? strLib : "libcec.dylib", RTLD_LAZY);
170 #else
171 g_libCEC = dlopen(strLib ? strLib : "libcec.so", RTLD_LAZY);
172 #endif
173 if (!g_libCEC)
174 {
175 #if defined(__APPLE__)
176 cout << "cannot find " << (strLib ? strLib : "libcec.dylib") << dlerror() << endl;
177 #else
178 cout << "cannot find " << (strLib ? strLib : "libcec.so") << dlerror() << endl;
179 #endif
180 return NULL;
181 }
182 }
183
184 typedef void* _LibCecInitialise(const CEC::libcec_configuration *);
185 _LibCecInitialise* LibCecInitialise = (_LibCecInitialise*) dlsym(g_libCEC, "CECInitialise");
186 if (!LibCecInitialise)
187 {
188 cout << "cannot find CECInitialise" << endl;
189 return NULL;
190 }
191
192 return (CEC::ICECAdapter*) LibCecInitialise(configuration);
193 }
194
195 /*!
196 * @brief Destroy an instance of libCEC.
197 * @param device The instance to destroy.
198 */
199 void UnloadLibCec(CEC::ICECAdapter *device)
200 {
201 typedef void* _DestroyLibCec(CEC::ICECAdapter *);
202 _DestroyLibCec *DestroyLibCec = (_DestroyLibCec*) dlsym(g_libCEC, "CECDestroy");
203 if (DestroyLibCec)
204 DestroyLibCec(device);
205
206 dlclose(g_libCEC);
207 }
208
209 #endif
210
211 #endif /* CECLOADER_H_ */