UdisksManager::UdisksManager(QObject *parent)
: QObject(parent)
{
QDBusConnection system = QDBusConnection::systemBus();
if (!system.isConnected())
{
emit error(tr("Cannot connect to Udisks daemon"));
}
system.connect("org.freedesktop.UDisks",
"/org/freedesktop/UDisks",
"org.freedesktop.UDisks",
"DeviceAdded",
this,
SLOT(onDeviceAdded(QDBusObjectPath)));
system.connect("org.freedesktop.UDisks",
"/org/freedesktop/UDisks",
"org.freedesktop.UDisks",
"DeviceRemoved",
this,
SLOT(onDeviceRemoved(QDBusObjectPath)));
system.connect("org.freedesktop.UDisks",
"/org/freedesktop/UDisks",
"org.freedesktop.UDisks",
"DeviceChanged",
this,
SLOT(onDeviceChanged(QDBusObjectPath)));
QDBusInterface devEnum("org.freedesktop.UDisks",
"/org/freedesktop/UDisks",
"org.freedesktop.UDisks",
QDBusConnection::systemBus());
QDBusMessage enumRes = devEnum.call("EnumerateDevices");
// TODO/FIXME: error checking
// if (enumRes.type() == QDBusMessage::ErrorMessage)
// {
// fprintf(stderr, "ERROR: Can't call EnumerateDevices\n");
// fprintf(stderr, " %s : %s\n", qPrintable(enumRes.errorName()), qPrintable(enumRes.errorMessage()));
// }
//
// if (enumRes.type() != QDBusMessage::ReplyMessage || !enumRes.arguments().at(0).canConvert<QDBusArgument>())
// {
// fprintf(stderr, "ERROR: Unexpected result type of EnumerateDevices call\n");
// }
//
const QDBusArgument enumArg = enumRes.arguments().at(0).value<QDBusArgument>();
// if (enumArg.currentType() != QDBusArgument::ArrayType)
// {
// fprintf(stderr, "ERROR: Unexpected argument type of EnumerateDevices call\n");
// }
enumArg.beginArray();
while (!enumArg.atEnd())
{
addDevice(qdbus_cast<QDBusObjectPath>(enumArg));
}
enumArg.endArray();
}
void UDiskProvider::update()
{
QDBusInterface devEnum("org.freedesktop.UDisks",
"/org/freedesktop/UDisks",
"org.freedesktop.UDisks",
QDBusConnection::systemBus());
QDBusMessage enumRes = devEnum.call("EnumerateDevices");
if (enumRes.type() != QDBusMessage::ReplyMessage || !enumRes.arguments().at(0).canConvert<QDBusArgument>())
{
if (enumRes.type() == QDBusMessage::ErrorMessage)
qWarning() << "ERROR: Can't call EnumerateDevices"
<< qPrintable(enumRes.errorName()) << qPrintable(enumRes.errorMessage());
else
qWarning() << "ERROR: Unexpected result type of EnumerateDevices call";
return;
}
const QDBusArgument enumArg = enumRes.arguments().at(0).value<QDBusArgument>();
if (enumArg.currentType() != QDBusArgument::ArrayType)
{
qWarning() << "ERROR: Unexpected argument type of EnumerateDevices call";
return;
}
enumArg.beginArray();
while (!enumArg.atEnd())
{
QDBusObjectPath path = qdbus_cast<QDBusObjectPath>(enumArg);
if (mDevicesByPath.contains(path.path()))
dbusDeviceChanged(path);
else
dbusDeviceAdded(path);
}
enumArg.endArray();
}
unsigned int findMatchingFormat(const std::vector<AudioStreamBasicDescription> &formatList, const AEAudioFormat &srcFormat)
{
unsigned int formatIdx = 0;
float highestScore = 0;
float currentScore = 0;
AEDeviceEnumerationOSX devEnum((AudioDeviceID)0);
// fprintf(stderr, "%s: Matching streamFormat for source: %s with samplerate: %d\n", __FUNCTION__, CAEUtil::DataFormatToStr(srcFormat.m_dataFormat), srcFormat.m_sampleRate);
for (unsigned int i = 0; i < formatList.size(); i++)
{
AudioStreamBasicDescription desc = formatList[i];
std::string formatString;
currentScore = devEnum.ScoreFormat(desc, srcFormat);
// fprintf(stderr, "%s: Physical Format: %s idx: %d rated %f\n", __FUNCTION__, StreamDescriptionToString(desc, formatString), i, currentScore);
if (currentScore > highestScore)
{
formatIdx = i;
highestScore = currentScore;
}
}
return formatIdx;
}
QList<int> Backend::objectDescriptionIndexes(Phonon::ObjectDescriptionType type) const
{
QMutexLocker locker(&m_directShowMutex);
QList<int> ret;
switch(type)
{
case Phonon::AudioOutputDeviceType:
{
#ifdef Q_OS_WINCE
ret << 0; // only one audio device with index 0
#else
ComPointer<ICreateDevEnum> devEnum(CLSID_SystemDeviceEnum, IID_ICreateDevEnum);
if (!devEnum) {
return ret; //it is impossible to enumerate the devices
}
ComPointer<IEnumMoniker> enumMon;
HRESULT hr = devEnum->CreateClassEnumerator(CLSID_AudioRendererCategory, enumMon.pparam(), 0);
if (FAILED(hr)) {
break;
}
AudioMoniker mon;
//let's reorder the devices so that directshound appears first
int nbds = 0; //number of directsound devices
while (S_OK == enumMon->Next(1, mon.pparam(), 0)) {
LPOLESTR str = 0;
mon->GetDisplayName(0,0,&str);
const QString name = QString::fromUtf16((const unsigned short*) str);
ComPointer<IMalloc> alloc;
::CoGetMalloc(1, alloc.pparam());
alloc->Free(str);
int insert_pos = 0;
if (!m_audioOutputs.contains(mon)) {
insert_pos = m_audioOutputs.count();
m_audioOutputs.append(mon);
} else {
insert_pos = m_audioOutputs.indexOf(mon);
}
if (name.contains(QLatin1String("DirectSound"))) {
ret.insert(nbds++, insert_pos);
} else {
ret.append(insert_pos);
}
}
#endif
break;
}
#ifndef QT_NO_PHONON_EFFECT
case Phonon::EffectType:
{
m_audioEffects.clear();
ComPointer<IEnumDMO> enumDMO;
HRESULT hr = ::DMOEnum(DMOCATEGORY_AUDIO_EFFECT, DMO_ENUMF_INCLUDE_KEYED, 0, 0, 0, 0, enumDMO.pparam());
if (SUCCEEDED(hr)) {
CLSID clsid;
while (S_OK == enumDMO->Next(1, &clsid, 0, 0)) {
ret += m_audioEffects.count();
m_audioEffects.append(clsid);
}
}
break;
}
break;
#endif //QT_NO_PHONON_EFFECT
default:
break;
}
return ret;
}
