QAbstractAudioOutput* QAudioDeviceFactory::createOutputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) { if (deviceInfo.isNull()) return new QNullOutputDevice(); #ifndef QT_NO_AUDIO_BACKEND #if (defined(Q_OS_WIN) || defined(Q_OS_MAC) || defined(HAS_ALSA) || defined(Q_OS_SYMBIAN)) if (deviceInfo.realm() == QLatin1String("builtin")) { QAbstractAudioOutput* p = new QAudioOutputPrivate(deviceInfo.handle()); if (p) p->setFormat(format); return p; } #endif #endif #if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) QAudioSystemFactoryInterface* plugin = qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(deviceInfo.realm())); if (plugin) { QAbstractAudioOutput* p = plugin->createOutput(deviceInfo.handle()); if (p) p->setFormat(format); return p; } #endif return new QNullOutputDevice(); }
QAbstractAudioOutput* QAudioDeviceFactory::createOutputDevice(QAudioDeviceInfo const& deviceInfo, QAudioFormat const &format) { if (deviceInfo.isNull()) return new QNullOutputDevice(); #if !defined (QT_NO_LIBRARY) && !defined(QT_NO_SETTINGS) QAudioSystemFactoryInterface* plugin = qobject_cast<QAudioSystemFactoryInterface*>(audioLoader()->instance(deviceInfo.realm())); if (plugin) { QAbstractAudioOutput* p = plugin->createOutput(deviceInfo.handle()); if (p) p->setFormat(format); return p; } #endif return new QNullOutputDevice(); }