| 1 | #include "raopservice.h" |
| 2 | #include "raopcallbackhandler.h" |
| 3 | |
| 4 | #include <QThread> |
| 5 | #include <QDebug> |
| 6 | |
| 7 | #include <shairplay/raop.h> |
| 8 | |
| 9 | #define RSA_KEY \ |
| 10 | "-----BEGIN RSA PRIVATE KEY-----\n"\ |
| 11 | "MIIEpQIBAAKCAQEA59dE8qLieItsH1WgjrcFRKj6eUWqi+bGLOX1HL3U3GhC/j0Qg90u3sG/1CUt\n"\ |
| 12 | "wC5vOYvfDmFI6oSFXi5ELabWJmT2dKHzBJKa3k9ok+8t9ucRqMd6DZHJ2YCCLlDRKSKv6kDqnw4U\n"\ |
| 13 | "wPdpOMXziC/AMj3Z/lUVX1G7WSHCAWKf1zNS1eLvqr+boEjXuBOitnZ/bDzPHrTOZz0Dew0uowxf\n"\ |
| 14 | "/+sG+NCK3eQJVxqcaJ/vEHKIVd2M+5qL71yJQ+87X6oV3eaYvt3zWZYD6z5vYTcrtij2VZ9Zmni/\n"\ |
| 15 | "UAaHqn9JdsBWLUEpVviYnhimNVvYFZeCXg/IdTQ+x4IRdiXNv5hEewIDAQABAoIBAQDl8Axy9XfW\n"\ |
| 16 | "BLmkzkEiqoSwF0PsmVrPzH9KsnwLGH+QZlvjWd8SWYGN7u1507HvhF5N3drJoVU3O14nDY4TFQAa\n"\ |
| 17 | "LlJ9VM35AApXaLyY1ERrN7u9ALKd2LUwYhM7Km539O4yUFYikE2nIPscEsA5ltpxOgUGCY7b7ez5\n"\ |
| 18 | "NtD6nL1ZKauw7aNXmVAvmJTcuPxWmoktF3gDJKK2wxZuNGcJE0uFQEG4Z3BrWP7yoNuSK3dii2jm\n"\ |
| 19 | "lpPHr0O/KnPQtzI3eguhe0TwUem/eYSdyzMyVx/YpwkzwtYL3sR5k0o9rKQLtvLzfAqdBxBurciz\n"\ |
| 20 | "aaA/L0HIgAmOit1GJA2saMxTVPNhAoGBAPfgv1oeZxgxmotiCcMXFEQEWflzhWYTsXrhUIuz5jFu\n"\ |
| 21 | "a39GLS99ZEErhLdrwj8rDDViRVJ5skOp9zFvlYAHs0xh92ji1E7V/ysnKBfsMrPkk5KSKPrnjndM\n"\ |
| 22 | "oPdevWnVkgJ5jxFuNgxkOLMuG9i53B4yMvDTCRiIPMQ++N2iLDaRAoGBAO9v//mU8eVkQaoANf0Z\n"\ |
| 23 | "oMjW8CN4xwWA2cSEIHkd9AfFkftuv8oyLDCG3ZAf0vrhrrtkrfa7ef+AUb69DNggq4mHQAYBp7L+\n"\ |
| 24 | "k5DKzJrKuO0r+R0YbY9pZD1+/g9dVt91d6LQNepUE/yY2PP5CNoFmjedpLHMOPFdVgqDzDFxU8hL\n"\ |
| 25 | "AoGBANDrr7xAJbqBjHVwIzQ4To9pb4BNeqDndk5Qe7fT3+/H1njGaC0/rXE0Qb7q5ySgnsCb3DvA\n"\ |
| 26 | "cJyRM9SJ7OKlGt0FMSdJD5KG0XPIpAVNwgpXXH5MDJg09KHeh0kXo+QA6viFBi21y340NonnEfdf\n"\ |
| 27 | "54PX4ZGS/Xac1UK+pLkBB+zRAoGAf0AY3H3qKS2lMEI4bzEFoHeK3G895pDaK3TFBVmD7fV0Zhov\n"\ |
| 28 | "17fegFPMwOII8MisYm9ZfT2Z0s5Ro3s5rkt+nvLAdfC/PYPKzTLalpGSwomSNYJcB9HNMlmhkGzc\n"\ |
| 29 | "1JnLYT4iyUyx6pcZBmCd8bD0iwY/FzcgNDaUmbX9+XDvRA0CgYEAkE7pIPlE71qvfJQgoA9em0gI\n"\ |
| 30 | "LAuE4Pu13aKiJnfft7hIjbK+5kyb3TysZvoyDnb3HOKvInK7vXbKuU4ISgxB2bB3HcYzQMGsz1qJ\n"\ |
| 31 | "2gG0N5hvJpzwwhbhXqFKA4zaaSrw622wDniAK5MlIE0tIAKKP4yxNGjoD2QYjhBGuhvkWKY=\n"\ |
| 32 | "-----END RSA PRIVATE KEY-----\n" |
| 33 | |
| 34 | typedef struct { |
| 35 | QThread * cb_thread; |
| 36 | RaopCallbackHandler * cb_handler; |
| 37 | void * cb_session; |
| 38 | } audio_session_t; |
| 39 | |
| 40 | static void* |
| 41 | audio_init_cb(void *cls, int bits, int channels, int samplerate) |
| 42 | { |
| 43 | audio_session_t *audio_session = 0; |
| 44 | |
| 45 | audio_session = (audio_session_t *)calloc(1, sizeof(audio_session_t)); |
| 46 | audio_session->cb_thread = new QThread(); |
| 47 | audio_session->cb_thread->start(); |
| 48 | |
| 49 | /* This whole hack is required because QAudioOutput |
| 50 | * needs to be created in a QThread, threads created |
| 51 | * outside Qt are not allowed (they have no eventloop) */ |
| 52 | audio_session->cb_handler = new RaopCallbackHandler(); |
| 53 | audio_session->cb_handler->moveToThread(audio_session->cb_thread); |
| 54 | audio_session->cb_handler->init((RaopCallbacks *)cls); |
| 55 | |
| 56 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioInit", |
| 57 | Qt::BlockingQueuedConnection, |
| 58 | Q_ARG(void*, (void*)&audio_session->cb_session), |
| 59 | Q_ARG(int, bits), |
| 60 | Q_ARG(int, channels), |
| 61 | Q_ARG(int, samplerate)); |
| 62 | return audio_session; |
| 63 | } |
| 64 | |
| 65 | static void |
| 66 | audio_process_cb(void *cls, void *session, const void *buffer, int buflen) |
| 67 | { |
| 68 | Q_UNUSED(cls) |
| 69 | audio_session_t *audio_session = (audio_session_t *)session; |
| 70 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioProcess", |
| 71 | Qt::BlockingQueuedConnection, |
| 72 | Q_ARG(void*, audio_session->cb_session), |
| 73 | Q_ARG(void*, (void*)buffer), |
| 74 | Q_ARG(int, buflen)); |
| 75 | } |
| 76 | |
| 77 | static void |
| 78 | audio_destroy_cb(void *cls, void *session) |
| 79 | { |
| 80 | Q_UNUSED(cls) |
| 81 | audio_session_t *audio_session = (audio_session_t *)session; |
| 82 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioDestroy", |
| 83 | Qt::BlockingQueuedConnection, |
| 84 | Q_ARG(void*, audio_session->cb_session)); |
| 85 | |
| 86 | // Wait until the session thread has finished |
| 87 | audio_session->cb_thread->quit(); |
| 88 | audio_session->cb_thread->wait(); |
| 89 | |
| 90 | // Delete all session variables |
| 91 | delete audio_session->cb_handler; |
| 92 | delete audio_session->cb_thread; |
| 93 | free(audio_session); |
| 94 | } |
| 95 | |
| 96 | static void |
| 97 | audio_flush_cb(void *cls, void *session) |
| 98 | { |
| 99 | Q_UNUSED(cls) |
| 100 | audio_session_t *audio_session = (audio_session_t *)session; |
| 101 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioFlush", |
| 102 | Qt::BlockingQueuedConnection, |
| 103 | Q_ARG(void*, audio_session->cb_session)); |
| 104 | } |
| 105 | |
| 106 | static void |
| 107 | audio_set_volume_cb(void *cls, void *session, float volume) |
| 108 | { |
| 109 | Q_UNUSED(cls) |
| 110 | audio_session_t *audio_session = (audio_session_t *)session; |
| 111 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioSetVolume", |
| 112 | Qt::BlockingQueuedConnection, |
| 113 | Q_ARG(void*, audio_session->cb_session), |
| 114 | Q_ARG(float, volume)); |
| 115 | } |
| 116 | |
| 117 | static void |
| 118 | audio_set_metadata_cb(void *cls, void *session, const void *buffer, int buflen) |
| 119 | { |
| 120 | Q_UNUSED(cls) |
| 121 | audio_session_t *audio_session = (audio_session_t *)session; |
| 122 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioSetVolume", |
| 123 | Qt::BlockingQueuedConnection, |
| 124 | Q_ARG(void*, audio_session->cb_session), |
| 125 | Q_ARG(void*, (void*)buffer), |
| 126 | Q_ARG(int, buflen)); |
| 127 | } |
| 128 | |
| 129 | static void |
| 130 | audio_set_coverart_cb(void *cls, void *session, const void *buffer, int buflen) |
| 131 | { |
| 132 | Q_UNUSED(cls) |
| 133 | audio_session_t *audio_session = (audio_session_t *)session; |
| 134 | QMetaObject::invokeMethod(audio_session->cb_handler, "audioSetVolume", |
| 135 | Qt::BlockingQueuedConnection, |
| 136 | Q_ARG(void*, audio_session->cb_session), |
| 137 | Q_ARG(void*, (void*)buffer), |
| 138 | Q_ARG(int, buflen)); |
| 139 | } |
| 140 | |
| 141 | RaopService::RaopService(QObject *parent) : |
| 142 | QObject(parent), |
| 143 | m_raop(0) |
| 144 | { |
| 145 | } |
| 146 | |
| 147 | RaopService::~RaopService() |
| 148 | { |
| 149 | this->stop(); |
| 150 | raop_destroy(m_raop); |
| 151 | } |
| 152 | |
| 153 | bool RaopService::init(int max_clients, RaopCallbacks *callbacks) |
| 154 | { |
| 155 | raop_callbacks_t raop_cbs; |
| 156 | |
| 157 | raop_cbs.cls = callbacks; |
| 158 | raop_cbs.audio_init = &audio_init_cb; |
| 159 | raop_cbs.audio_process = &audio_process_cb; |
| 160 | raop_cbs.audio_destroy = &audio_destroy_cb; |
| 161 | raop_cbs.audio_flush = &audio_flush_cb; |
| 162 | raop_cbs.audio_set_volume = &audio_set_volume_cb; |
| 163 | raop_cbs.audio_set_metadata = &audio_set_metadata_cb; |
| 164 | raop_cbs.audio_set_coverart = &audio_set_coverart_cb; |
| 165 | |
| 166 | m_raop = raop_init(max_clients, &raop_cbs, RSA_KEY); |
| 167 | if (!m_raop) { |
| 168 | return false; |
| 169 | } |
| 170 | return true; |
| 171 | } |
| 172 | |
| 173 | bool RaopService::isRunning() |
| 174 | { |
| 175 | return (raop_is_running(m_raop) != 0); |
| 176 | } |
| 177 | |
| 178 | bool RaopService::start(quint16 port, const QByteArray & hwaddr) |
| 179 | { |
| 180 | int ret; |
| 181 | ret = raop_start(m_raop, &port, hwaddr.data(), hwaddr.size(), 0); |
| 182 | if (ret < 0) { |
| 183 | return false; |
| 184 | } |
| 185 | return true; |
| 186 | } |
| 187 | |
| 188 | void RaopService::stop() |
| 189 | { |
| 190 | if (m_raop) { |
| 191 | raop_stop(m_raop); |
| 192 | } |
| 193 | } |