Commit | Line | Data |
---|---|---|
2340bcd3 JVH |
1 | #include "raopservice.h" |
2 | ||
3 | #include <QDebug> | |
4 | #include <QFile> | |
5 | ||
6 | static void | |
7 | audio_init(void *cls, void **session, int bits, int channels, int samplerate) | |
8 | { | |
9 | QMetaObject::invokeMethod((QObject*)cls, "audioInit", Qt::BlockingQueuedConnection, | |
10 | Q_ARG(void*, (void*)session), | |
11 | Q_ARG(int, bits), | |
12 | Q_ARG(int, channels), | |
13 | Q_ARG(int, samplerate)); | |
14 | } | |
15 | ||
16 | static void | |
17 | audio_set_volume(void *cls, void *session, float volume) | |
18 | { | |
19 | QMetaObject::invokeMethod((QObject*)cls, "audioSetVolume", Qt::BlockingQueuedConnection, | |
20 | Q_ARG(void*, session), | |
21 | Q_ARG(float, volume)); | |
22 | } | |
23 | ||
24 | static void | |
25 | audio_process(void *cls, void *session, const void *buffer, int buflen) | |
26 | { | |
27 | QMetaObject::invokeMethod((QObject*)cls, "audioProcess", Qt::BlockingQueuedConnection, | |
28 | Q_ARG(void*, session), | |
29 | Q_ARG(void*, (void*)buffer), | |
30 | Q_ARG(int, buflen)); | |
31 | } | |
32 | ||
33 | static void | |
34 | audio_flush(void *cls, void *session) | |
35 | { | |
36 | QMetaObject::invokeMethod((QObject*)cls, "audioFlush", Qt::BlockingQueuedConnection, | |
37 | Q_ARG(void*, session)); | |
38 | } | |
39 | ||
40 | static void | |
41 | audio_destroy(void *cls, void *session) | |
42 | { | |
43 | QMetaObject::invokeMethod((QObject*)cls, "audioDestroy", Qt::BlockingQueuedConnection, | |
44 | Q_ARG(void*, session)); | |
45 | } | |
46 | ||
47 | RaopService::RaopService(QObject *parent) : | |
48 | QObject(parent), | |
49 | m_dnssd(0), | |
50 | m_raop(0) | |
51 | { | |
52 | /* This whole hack is required because QAudioOutput | |
53 | * needs to be created in a QThread, threads created | |
54 | * outside Qt are not allowed (they have no eventloop) */ | |
55 | m_handler.moveToThread(&m_thread); | |
56 | } | |
57 | ||
58 | RaopService::~RaopService() | |
59 | { | |
60 | this->stop(); | |
61 | ||
62 | dnssd_destroy(m_dnssd); | |
63 | raop_destroy(m_raop); | |
64 | } | |
65 | ||
66 | bool RaopService::init() | |
67 | { | |
68 | const char hwaddr[] = { 0x48, 0x5d, 0x60, 0x7c, 0xee, 0x22 }; | |
69 | raop_callbacks_t raop_cbs; | |
70 | int error; | |
71 | ||
72 | raop_cbs.cls = &m_handler; | |
73 | raop_cbs.audio_init = audio_init; | |
74 | raop_cbs.audio_set_volume = audio_set_volume; | |
75 | raop_cbs.audio_process = audio_process; | |
76 | raop_cbs.audio_flush = audio_flush; | |
77 | raop_cbs.audio_destroy = audio_destroy; | |
78 | ||
79 | QFile file("airport.key"); | |
80 | if (!file.exists()) { | |
81 | // This is used when running from Qt Creator on Mac | |
82 | file.setFileName("../../../../airport.key"); | |
83 | } | |
84 | if (!file.exists()) { | |
85 | // This is used when running from Qt Creator on Windows | |
86 | file.setFileName("../airport.key"); | |
87 | } | |
88 | if (!file.exists()) { | |
89 | return false; | |
90 | } | |
91 | file.open(QIODevice::ReadOnly); | |
92 | QByteArray array = file.read(file.size()); | |
93 | array.append('\0'); | |
94 | ||
95 | m_raop = raop_init(&raop_cbs, array.data(), hwaddr, sizeof(hwaddr)); | |
96 | if (!m_raop) { | |
97 | return false; | |
98 | } | |
99 | ||
100 | m_dnssd = dnssd_init(hwaddr, sizeof(hwaddr), &error); | |
101 | if (!m_dnssd) { | |
102 | raop_destroy(m_raop); | |
103 | m_raop = NULL; | |
104 | return false; | |
105 | } | |
106 | ||
107 | return true; | |
108 | } | |
109 | ||
110 | bool RaopService::start(const QString & name, quint16 port) | |
111 | { | |
112 | if (!m_raop || !m_dnssd || m_thread.isRunning()) { | |
113 | return false; | |
114 | } | |
115 | ||
116 | m_thread.start(); | |
117 | if (raop_start(m_raop, &port) < 0) { | |
118 | m_thread.quit(); | |
119 | m_thread.wait(); | |
120 | return false; | |
121 | } | |
122 | if (dnssd_register_raop(m_dnssd, name.toUtf8(), port) < 0) { | |
123 | raop_stop(m_raop); | |
124 | m_thread.quit(); | |
125 | m_thread.wait(); | |
126 | return false; | |
127 | } | |
128 | ||
129 | return true; | |
130 | } | |
131 | ||
132 | void RaopService::stop() | |
133 | { | |
134 | if (m_dnssd) { | |
135 | dnssd_unregister_raop(m_dnssd); | |
136 | } | |
137 | if (m_raop) { | |
138 | raop_stop(m_raop); | |
139 | } | |
140 | if (m_thread.isRunning()) { | |
141 | m_thread.quit(); | |
142 | m_thread.wait(); | |
143 | } | |
144 | } | |
145 |