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5c506552 JVH |
1 | /** |
2 | * Copyright (C) 2012 Juho Vähä-Herttua | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining | |
5 | * a copy of this software and associated documentation files (the | |
6 | * "Software"), to deal in the Software without restriction, including | |
7 | * without limitation the rights to use, copy, modify, merge, publish, | |
8 | * distribute, sublicense, and/or sell copies of the Software, and to | |
9 | * permit persons to whom the Software is furnished to do so, subject to | |
10 | * the following conditions: | |
11 | * | |
12 | * The above copyright notice and this permission notice shall be included | |
13 | * in all copies or substantial portions of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. | |
18 | * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY | |
19 | * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, | |
20 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE | |
21 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
22 | */ | |
23 | ||
9434b30c | 24 | #include "raopservice.h" |
f65165f4 | 25 | #include "raopcallbackhandler.h" |
9434b30c | 26 | |
f65165f4 | 27 | #include <QThread> |
9434b30c JVH |
28 | #include <QDebug> |
29 | ||
9434b30c JVH |
30 | #define RSA_KEY \ |
31 | "-----BEGIN RSA PRIVATE KEY-----\n"\ | |
32 | "MIIEpQIBAAKCAQEA59dE8qLieItsH1WgjrcFRKj6eUWqi+bGLOX1HL3U3GhC/j0Qg90u3sG/1CUt\n"\ | |
33 | "wC5vOYvfDmFI6oSFXi5ELabWJmT2dKHzBJKa3k9ok+8t9ucRqMd6DZHJ2YCCLlDRKSKv6kDqnw4U\n"\ | |
34 | "wPdpOMXziC/AMj3Z/lUVX1G7WSHCAWKf1zNS1eLvqr+boEjXuBOitnZ/bDzPHrTOZz0Dew0uowxf\n"\ | |
35 | "/+sG+NCK3eQJVxqcaJ/vEHKIVd2M+5qL71yJQ+87X6oV3eaYvt3zWZYD6z5vYTcrtij2VZ9Zmni/\n"\ | |
36 | "UAaHqn9JdsBWLUEpVviYnhimNVvYFZeCXg/IdTQ+x4IRdiXNv5hEewIDAQABAoIBAQDl8Axy9XfW\n"\ | |
37 | "BLmkzkEiqoSwF0PsmVrPzH9KsnwLGH+QZlvjWd8SWYGN7u1507HvhF5N3drJoVU3O14nDY4TFQAa\n"\ | |
38 | "LlJ9VM35AApXaLyY1ERrN7u9ALKd2LUwYhM7Km539O4yUFYikE2nIPscEsA5ltpxOgUGCY7b7ez5\n"\ | |
39 | "NtD6nL1ZKauw7aNXmVAvmJTcuPxWmoktF3gDJKK2wxZuNGcJE0uFQEG4Z3BrWP7yoNuSK3dii2jm\n"\ | |
40 | "lpPHr0O/KnPQtzI3eguhe0TwUem/eYSdyzMyVx/YpwkzwtYL3sR5k0o9rKQLtvLzfAqdBxBurciz\n"\ | |
41 | "aaA/L0HIgAmOit1GJA2saMxTVPNhAoGBAPfgv1oeZxgxmotiCcMXFEQEWflzhWYTsXrhUIuz5jFu\n"\ | |
42 | "a39GLS99ZEErhLdrwj8rDDViRVJ5skOp9zFvlYAHs0xh92ji1E7V/ysnKBfsMrPkk5KSKPrnjndM\n"\ | |
43 | "oPdevWnVkgJ5jxFuNgxkOLMuG9i53B4yMvDTCRiIPMQ++N2iLDaRAoGBAO9v//mU8eVkQaoANf0Z\n"\ | |
44 | "oMjW8CN4xwWA2cSEIHkd9AfFkftuv8oyLDCG3ZAf0vrhrrtkrfa7ef+AUb69DNggq4mHQAYBp7L+\n"\ | |
45 | "k5DKzJrKuO0r+R0YbY9pZD1+/g9dVt91d6LQNepUE/yY2PP5CNoFmjedpLHMOPFdVgqDzDFxU8hL\n"\ | |
46 | "AoGBANDrr7xAJbqBjHVwIzQ4To9pb4BNeqDndk5Qe7fT3+/H1njGaC0/rXE0Qb7q5ySgnsCb3DvA\n"\ | |
47 | "cJyRM9SJ7OKlGt0FMSdJD5KG0XPIpAVNwgpXXH5MDJg09KHeh0kXo+QA6viFBi21y340NonnEfdf\n"\ | |
48 | "54PX4ZGS/Xac1UK+pLkBB+zRAoGAf0AY3H3qKS2lMEI4bzEFoHeK3G895pDaK3TFBVmD7fV0Zhov\n"\ | |
49 | "17fegFPMwOII8MisYm9ZfT2Z0s5Ro3s5rkt+nvLAdfC/PYPKzTLalpGSwomSNYJcB9HNMlmhkGzc\n"\ | |
50 | "1JnLYT4iyUyx6pcZBmCd8bD0iwY/FzcgNDaUmbX9+XDvRA0CgYEAkE7pIPlE71qvfJQgoA9em0gI\n"\ | |
51 | "LAuE4Pu13aKiJnfft7hIjbK+5kyb3TysZvoyDnb3HOKvInK7vXbKuU4ISgxB2bB3HcYzQMGsz1qJ\n"\ | |
52 | "2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKY=\n"\ | |
53 | "-----END RSA PRIVATE KEY-----\n" | |
54 | ||
f65165f4 JVH |
55 | typedef struct { |
56 | QThread * cb_thread; | |
57 | RaopCallbackHandler * cb_handler; | |
58 | void * cb_session; | |
59 | } audio_session_t; | |
9434b30c JVH |
60 | |
61 | static void* | |
62 | audio_init_cb(void *cls, int bits, int channels, int samplerate) | |
63 | { | |
f65165f4 JVH |
64 | audio_session_t *audio_session = 0; |
65 | ||
66 | audio_session = (audio_session_t *)calloc(1, sizeof(audio_session_t)); | |
67 | audio_session->cb_thread = new QThread(); | |
68 | audio_session->cb_thread->start(); | |
69 | ||
70 | /* This whole hack is required because QAudioOutput | |
71 | * needs to be created in a QThread, threads created | |
72 | * outside Qt are not allowed (they have no eventloop) */ | |
73 | audio_session->cb_handler = new RaopCallbackHandler(); | |
74 | audio_session->cb_handler->moveToThread(audio_session->cb_thread); | |
d433e045 | 75 | audio_session->cb_handler->init((RaopAudioHandler *)cls); |
f65165f4 JVH |
76 | |
77 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioInit", | |
78 | Qt::BlockingQueuedConnection, | |
79 | Q_ARG(void*, (void*)&audio_session->cb_session), | |
9434b30c JVH |
80 | Q_ARG(int, bits), |
81 | Q_ARG(int, channels), | |
82 | Q_ARG(int, samplerate)); | |
f65165f4 | 83 | return audio_session; |
9434b30c JVH |
84 | } |
85 | ||
86 | static void | |
87 | audio_process_cb(void *cls, void *session, const void *buffer, int buflen) | |
88 | { | |
f65165f4 JVH |
89 | Q_UNUSED(cls) |
90 | audio_session_t *audio_session = (audio_session_t *)session; | |
91 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioProcess", | |
92 | Qt::BlockingQueuedConnection, | |
93 | Q_ARG(void*, audio_session->cb_session), | |
9434b30c JVH |
94 | Q_ARG(void*, (void*)buffer), |
95 | Q_ARG(int, buflen)); | |
96 | } | |
97 | ||
98 | static void | |
99 | audio_destroy_cb(void *cls, void *session) | |
100 | { | |
f65165f4 JVH |
101 | Q_UNUSED(cls) |
102 | audio_session_t *audio_session = (audio_session_t *)session; | |
103 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioDestroy", | |
104 | Qt::BlockingQueuedConnection, | |
105 | Q_ARG(void*, audio_session->cb_session)); | |
106 | ||
107 | // Wait until the session thread has finished | |
108 | audio_session->cb_thread->quit(); | |
109 | audio_session->cb_thread->wait(); | |
110 | ||
111 | // Delete all session variables | |
112 | delete audio_session->cb_handler; | |
113 | delete audio_session->cb_thread; | |
114 | free(audio_session); | |
9434b30c JVH |
115 | } |
116 | ||
117 | static void | |
118 | audio_flush_cb(void *cls, void *session) | |
119 | { | |
f65165f4 JVH |
120 | Q_UNUSED(cls) |
121 | audio_session_t *audio_session = (audio_session_t *)session; | |
122 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioFlush", | |
123 | Qt::BlockingQueuedConnection, | |
124 | Q_ARG(void*, audio_session->cb_session)); | |
9434b30c JVH |
125 | } |
126 | ||
127 | static void | |
128 | audio_set_volume_cb(void *cls, void *session, float volume) | |
129 | { | |
f65165f4 JVH |
130 | Q_UNUSED(cls) |
131 | audio_session_t *audio_session = (audio_session_t *)session; | |
132 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioSetVolume", | |
133 | Qt::BlockingQueuedConnection, | |
134 | Q_ARG(void*, audio_session->cb_session), | |
9434b30c JVH |
135 | Q_ARG(float, volume)); |
136 | } | |
137 | ||
138 | static void | |
139 | audio_set_metadata_cb(void *cls, void *session, const void *buffer, int buflen) | |
140 | { | |
f65165f4 JVH |
141 | Q_UNUSED(cls) |
142 | audio_session_t *audio_session = (audio_session_t *)session; | |
143 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioSetVolume", | |
144 | Qt::BlockingQueuedConnection, | |
145 | Q_ARG(void*, audio_session->cb_session), | |
9434b30c JVH |
146 | Q_ARG(void*, (void*)buffer), |
147 | Q_ARG(int, buflen)); | |
148 | } | |
149 | ||
150 | static void | |
151 | audio_set_coverart_cb(void *cls, void *session, const void *buffer, int buflen) | |
152 | { | |
f65165f4 JVH |
153 | Q_UNUSED(cls) |
154 | audio_session_t *audio_session = (audio_session_t *)session; | |
155 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioSetVolume", | |
156 | Qt::BlockingQueuedConnection, | |
157 | Q_ARG(void*, audio_session->cb_session), | |
9434b30c JVH |
158 | Q_ARG(void*, (void*)buffer), |
159 | Q_ARG(int, buflen)); | |
160 | } | |
161 | ||
162 | RaopService::RaopService(QObject *parent) : | |
163 | QObject(parent), | |
164 | m_raop(0) | |
165 | { | |
9434b30c JVH |
166 | } |
167 | ||
168 | RaopService::~RaopService() | |
169 | { | |
170 | this->stop(); | |
171 | raop_destroy(m_raop); | |
172 | } | |
173 | ||
d433e045 | 174 | bool RaopService::init(int max_clients, RaopAudioHandler *callbacks) |
9434b30c JVH |
175 | { |
176 | raop_callbacks_t raop_cbs; | |
177 | ||
f65165f4 | 178 | raop_cbs.cls = callbacks; |
9434b30c JVH |
179 | raop_cbs.audio_init = &audio_init_cb; |
180 | raop_cbs.audio_process = &audio_process_cb; | |
181 | raop_cbs.audio_destroy = &audio_destroy_cb; | |
182 | raop_cbs.audio_flush = &audio_flush_cb; | |
183 | raop_cbs.audio_set_volume = &audio_set_volume_cb; | |
184 | raop_cbs.audio_set_metadata = &audio_set_metadata_cb; | |
185 | raop_cbs.audio_set_coverart = &audio_set_coverart_cb; | |
186 | ||
402dfbba | 187 | m_raop = raop_init(max_clients, &raop_cbs, RSA_KEY, 0); |
9434b30c | 188 | if (!m_raop) { |
9434b30c JVH |
189 | return false; |
190 | } | |
191 | return true; | |
192 | } | |
193 | ||
d433e045 JVH |
194 | void RaopService::setLogLevel(int level) |
195 | { | |
196 | Q_UNUSED(level) | |
197 | } | |
198 | ||
199 | void RaopService::setLogHandler(RaopLogHandler *logger) | |
200 | { | |
201 | Q_UNUSED(logger) | |
202 | } | |
203 | ||
9434b30c JVH |
204 | bool RaopService::isRunning() |
205 | { | |
206 | return (raop_is_running(m_raop) != 0); | |
207 | } | |
208 | ||
209 | bool RaopService::start(quint16 port, const QByteArray & hwaddr) | |
210 | { | |
211 | int ret; | |
9434b30c JVH |
212 | ret = raop_start(m_raop, &port, hwaddr.data(), hwaddr.size(), 0); |
213 | if (ret < 0) { | |
9434b30c JVH |
214 | return false; |
215 | } | |
216 | return true; | |
217 | } | |
218 | ||
d433e045 | 219 | |
9434b30c JVH |
220 | void RaopService::stop() |
221 | { | |
222 | if (m_raop) { | |
223 | raop_stop(m_raop); | |
224 | } | |
9434b30c | 225 | } |