void DeviceListing::timerEvent(QTimerEvent *e)
{
if (e->timerId() == m_signalTimer.timerId()) {
m_signalTimer.stop();
kDebug(600) << "emitting objectDescriptionChanged for all devices";
emit objectDescriptionChanged(AudioOutputDeviceType);
emit objectDescriptionChanged(AudioCaptureDeviceType);
emit objectDescriptionChanged(VideoCaptureDeviceType);
}
}
PlatformPlugin *FactoryPrivate::platformPlugin()
{
if (m_platformPlugin) {
return m_platformPlugin;
}
if (m_noPlatformPlugin) {
return 0;
}
#ifndef QT_NO_DBUS
if (!QCoreApplication::instance() || QCoreApplication::applicationName().isEmpty()) {
pWarning() << "Phonon needs QCoreApplication::applicationName to be set to export audio output names through the DBUS interface";
}
#endif
Q_ASSERT(QCoreApplication::instance());
const QByteArray platform_plugin_env = qgetenv("PHONON_PLATFORMPLUGIN");
if (!platform_plugin_env.isEmpty()) {
QPluginLoader pluginLoader(QString::fromLocal8Bit(platform_plugin_env.constData()));
if (pluginLoader.load()) {
m_platformPlugin = qobject_cast<PlatformPlugin *>(pluginLoader.instance());
if (m_platformPlugin) {
return m_platformPlugin;
}
}
}
const QString suffix(QLatin1String("/phonon_platform/"));
ensureLibraryPathSet();
QDir dir;
dir.setNameFilters(
!qgetenv("KDE_FULL_SESSION").isEmpty() ? QStringList(QLatin1String("kde.*")) :
(!qgetenv("GNOME_DESKTOP_SESSION_ID").isEmpty() ? QStringList(QLatin1String("gnome.*")) :
QStringList())
);
dir.setFilter(QDir::Files);
const QStringList libPaths = QCoreApplication::libraryPaths();
forever {
for (int i = 0; i < libPaths.count(); ++i) {
const QString libPath = libPaths.at(i) + suffix;
dir.setPath(libPath);
if (!dir.exists()) {
continue;
}
const QStringList files = dir.entryList(QDir::Files);
for (int i = 0; i < files.count(); ++i) {
QPluginLoader pluginLoader(libPath + files.at(i));
if (!pluginLoader.load()) {
pDebug() << Q_FUNC_INFO << " platform plugin load failed:"
<< pluginLoader.errorString();
continue;
}
pDebug() << pluginLoader.instance();
QObject *qobj = pluginLoader.instance();
m_platformPlugin = qobject_cast<PlatformPlugin *>(qobj);
pDebug() << m_platformPlugin;
if (m_platformPlugin) {
connect(qobj, SIGNAL(objectDescriptionChanged(ObjectDescriptionType)),
SLOT(objectDescriptionChanged(ObjectDescriptionType)));
return m_platformPlugin;
} else {
delete qobj;
pDebug() << Q_FUNC_INFO << dir.absolutePath() << "exists but the platform plugin was not loadable:" << pluginLoader.errorString();
pluginLoader.unload();
}
}
}
if (dir.nameFilters().isEmpty()) {
break;
}
dir.setNameFilters(QStringList());
}
pDebug() << Q_FUNC_INFO << "platform plugin could not be loaded";
m_noPlatformPlugin = true;
return 0;
}
bool FactoryPrivate::createBackend()
{
#ifndef QT_NO_LIBRARY
Q_ASSERT(m_backendObject == 0);
#ifndef QT_NO_PHONON_PLATFORMPLUGIN
PlatformPlugin *f = globalFactory->platformPlugin();
if (f) {
m_backendObject = f->createBackend();
}
#endif //QT_NO_PHONON_PLATFORMPLUGIN
if (!m_backendObject) {
ensureLibraryPathSet();
// could not load a backend through the platform plugin. Falling back to the default
// (finding the first loadable backend).
const QLatin1String suffix("/phonon_backend/");
const QStringList paths = QCoreApplication::libraryPaths();
for (int i = 0; i < paths.count(); ++i) {
const QString libPath = paths.at(i) + suffix;
const QDir dir(libPath);
if (!dir.exists()) {
pDebug() << Q_FUNC_INFO << dir.absolutePath() << "does not exist";
continue;
}
QStringList plugins(dir.entryList(QDir::Files));
#ifdef Q_OS_SYMBIAN
/* On Symbian OS we might have two plugins, one which uses Symbian
* MMF framework("mmf"), and one which uses Real Networks's
* Helix("hxphonon"). We prefer the latter because it's more
* sophisticated, so we make sure the Helix backend is attempted
* to be loaded first, and the MMF backend is used for backup. */
{
const int helix = plugins.indexOf(QLatin1String("hxphonon"));
if (helix != -1)
plugins.move(helix, 0);
}
#endif
const QStringList files = dir.entryList(QDir::Files);
for (int i = 0; i < files.count(); ++i) {
QPluginLoader pluginLoader(libPath + files.at(i));
if (!pluginLoader.load()) {
pDebug() << Q_FUNC_INFO << " load failed:"
<< pluginLoader.errorString();
continue;
}
pDebug() << pluginLoader.instance();
m_backendObject = pluginLoader.instance();
if (m_backendObject) {
break;
}
// no backend found, don't leave an unused plugin in memory
pluginLoader.unload();
}
if (m_backendObject) {
break;
}
}
if (!m_backendObject) {
pWarning() << Q_FUNC_INFO << "phonon backend plugin could not be loaded";
return false;
}
}
connect(m_backendObject, SIGNAL(objectDescriptionChanged(ObjectDescriptionType)),
SLOT(objectDescriptionChanged(ObjectDescriptionType)));
return true;
#else //QT_NO_LIBRARY
pWarning() << Q_FUNC_INFO << "Trying to use Phonon with QT_NO_LIBRARY defined. "
"That is currently not supported";
return false;
#endif
}