cec: don't try to transmit when the processor is being stopped.
[deb_libcec.git] / include / cecloader.h
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f00ff009 1#pragma once
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2/*
3 * This file is part of the libCEC(R) library.
4 *
b492c10e 5 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
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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
41HINSTANCE g_libCEC = NULL;
42
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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 */
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50CEC::ICECAdapter *LibCecInit(const char *strDeviceName, CEC::cec_device_type_list types, const char *strLib = NULL)
51{
52 if (!g_libCEC)
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53#if defined(_WIN64)
54 g_libCEC = LoadLibrary(strLib ? strLib : "libcec.x64.dll");
55#else
d2eadc31 56 g_libCEC = LoadLibrary(strLib ? strLib : "libcec.dll");
f00ff009 57#endif
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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
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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 */
3efda01a 75CEC::ICECAdapter *LibCecInitialise(CEC::libcec_configuration *configuration, const char *strLib = NULL)
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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
3efda01a 86 typedef void* (__cdecl*_LibCecInitialise)(CEC::libcec_configuration *);
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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
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98/*!
99 * @brief Destroy an instance of libCEC.
100 * @param device The instance to destroy.
101 */
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102void 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
118void *g_libCEC = NULL;
119
53024cc1 120/*!
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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.
53024cc1 126 */
caca2d81 127CEC::ICECAdapter *LibCecInit(const char *strDeviceName, CEC::cec_device_type_list types, const char *strLib = NULL)
acec5f48 128{
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129 if (!g_libCEC)
130 {
30a57ee8 131#if defined(__APPLE__)
dad7a92e 132 g_libCEC = dlopen(strLib ? strLib : "libcec.dylib", RTLD_LAZY);
30a57ee8 133#else
dad7a92e 134 g_libCEC = dlopen(strLib ? strLib : "libcec.so", RTLD_LAZY);
30a57ee8 135#endif
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136 if (!g_libCEC)
137 {
30a57ee8 138#if defined(__APPLE__)
e9de9629 139 cout << "cannot find " << (strLib ? strLib : "libcec.dylib") << dlerror() << endl;
30a57ee8 140#else
e9de9629 141 cout << "cannot find " << (strLib ? strLib : "libcec.so") << dlerror() << endl;
30a57ee8 142#endif
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143 return NULL;
144 }
145 }
146
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147 typedef void* _LibCecInit(const char *, CEC::cec_device_type_list);
148 _LibCecInit* LibCecInit = (_LibCecInit*) dlsym(g_libCEC, "CECInit");
149 if (!LibCecInit)
acec5f48 150 {
caca2d81 151 cout << "cannot find CECInit" << endl;
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152 return NULL;
153 }
154
caca2d81 155 return (CEC::ICECAdapter*) LibCecInit(strDeviceName, types);
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156}
157
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158/*!
159 * @brief Create a new libCEC instance.
caca2d81 160 * @param configuration The configuration to pass to libCEC
39b1216c 161 * @param strLib The name of and/or path to libCEC
caca2d81 162 * @return An instance of ICECAdapter or NULL on error.
53024cc1 163 */
3efda01a 164CEC::ICECAdapter *LibCecInitialise(CEC::libcec_configuration *configuration, const char *strLib = NULL)
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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
3efda01a 184 typedef void* _LibCecInitialise(CEC::libcec_configuration *);
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185 _LibCecInitialise* LibCecInitialise = (_LibCecInitialise*) dlsym(g_libCEC, "CECInitialise");
186 if (!LibCecInitialise)
f8513317 187 {
caca2d81 188 cout << "cannot find CECInitialise" << endl;
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189 return NULL;
190 }
191
caca2d81 192 return (CEC::ICECAdapter*) LibCecInitialise(configuration);
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193}
194
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195/*!
196 * @brief Destroy an instance of libCEC.
197 * @param device The instance to destroy.
198 */
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199void 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_ */