1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
//! [snippet]
QObject *Backend::createObject(BackendInterface::Class c, QObject *parent, const QList<QVariant> &args)
{
switch (c) {
case MediaObjectClass:
return new MediaObject(parent);
case VolumeFaderEffectClass:
return new VolumeFaderEffect(parent);
case AudioOutputClass:
return new AudioOutput(parent);
case AudioDataOutputClass:
return new AudioDataOutput(parent);
case VisualizationClass:
return new Visualization(parent);
case VideoDataOutputClass:
return new VideoDataOutput(parent);
case EffectClass:
return new Effect(args[0].toInt(), parent);
case VideoWidgetClass:
return new VideoWidget(qobject_cast<QWidget *>(parent));
}
return 0;
}
QSet<int> Backend::objectDescriptionIndexes(ObjectDescriptionType type) const
{
QSet<int> set;
switch(type)
{
case Phonon::AudioOutputDeviceType:
// use AudioDeviceEnumerator to list ALSA and OSS devices
set << 10000 << 10001;
break;
case Phonon::AudioCaptureDeviceType:
set << 20000 << 20001;
break;
case Phonon::VideoOutputDeviceType:
break;
case Phonon::VideoCaptureDeviceType:
set << 30000 << 30001;
break;
case Phonon::VisualizationType:
case Phonon::AudioCodecType:
case Phonon::VideoCodecType:
case Phonon::ContainerFormatType:
break;
case Phonon::EffectType:
set << 0x7F000001;
break;
}
return set;
}
QHash<QByteArray, QVariant> Backend::objectDescriptionProperties(ObjectDescriptionType type, int index) const
{
QHash<QByteArray, QVariant> ret;
switch (type) {
case Phonon::AudioOutputDeviceType:
switch (index) {
case 10000:
ret.insert("name", QLatin1String("internal Soundcard"));
break;
case 10001:
ret.insert("name", QLatin1String("USB Headset"));
ret.insert("icon", KIcon("usb-headset"));
ret.insert("available", false);
break;
}
break;
case Phonon::AudioCaptureDeviceType:
switch (index) {
case 20000:
ret.insert("name", QLatin1String("Soundcard"));
ret.insert("description", QLatin1String("first description"));
break;
case 20001:
ret.insert("name", QLatin1String("DV"));
ret.insert("description", QLatin1String("second description"));
break;
}
break;
case Phonon::VideoOutputDeviceType:
break;
case Phonon::VideoCaptureDeviceType:
switch (index) {
case 30000:
ret.insert("name", QLatin1String("USB Webcam"));
ret.insert("description", QLatin1String("first description"));
break;
case 30001:
ret.insert("name", QLatin1String("DV"));
ret.insert("description", QLatin1String("second description"));
break;
}
break;
case Phonon::VisualizationType:
break;
case Phonon::AudioCodecType:
break;
case Phonon::VideoCodecType:
break;
case Phonon::ContainerFormatType:
break;
case Phonon::EffectType:
switch (index) {
case 0x7F000001:
ret.insert("name", QLatin1String("Delay"));
ret.insert("description", QLatin1String("Simple delay effect with time, feedback and level controls."));
break;
}
break;
}
return ret;
}
//! [snippet]
|