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Fix getActiveDevice deadlocks on Linux

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This commit is contained in:
luiscuenca 2017-12-13 12:14:49 -07:00
parent a75010fb94
commit e709561a62
1 changed files with 8 additions and 7 deletions
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15
libraries/ui/src/ui/OffscreenQmlSurface.cpp
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@ -679,7 +679,9 @@ void OffscreenQmlSurface::create() {
// Setup the update of the QML media components with the current audio output device
QObject::connect(&_audioOutputUpdateTimer, &QTimer::timeout, this, [this]() {
new AudioHandler(sharedFromThis(), _currentAudioOutputDevice);
if (_currentAudioOutputDevice.size() > 0) {
new AudioHandler(sharedFromThis(), _currentAudioOutputDevice);
}
});
int waitForAudioQmlMs = 200;
_audioOutputUpdateTimer.setInterval(waitForAudioQmlMs);
@ -695,6 +697,7 @@ void OffscreenQmlSurface::create() {
}
void OffscreenQmlSurface::changeAudioOutputDevice(const QString& deviceName, bool isHtmlUpdate) {
_currentAudioOutputDevice = deviceName;
if (_rootItem != nullptr && !isHtmlUpdate) {
QMetaObject::invokeMethod(this, "forceQmlAudioOutputDeviceUpdate", Qt::QueuedConnection);
}
@ -702,18 +705,16 @@ void OffscreenQmlSurface::changeAudioOutputDevice(const QString& deviceName, boo
}
void OffscreenQmlSurface::forceHtmlAudioOutputDeviceUpdate() {
auto audioIO = DependencyManager::get<AudioClient>();
QString deviceName = audioIO->getActiveAudioDevice(QAudio::AudioOutput).deviceName();
QMetaObject::invokeMethod(this, "changeAudioOutputDevice", Qt::QueuedConnection,
Q_ARG(QString, deviceName), Q_ARG(bool, true));
if (_currentAudioOutputDevice.size() > 0) {
QMetaObject::invokeMethod(this, "changeAudioOutputDevice", Qt::QueuedConnection,
Q_ARG(QString, _currentAudioOutputDevice), Q_ARG(bool, true));
}
}
void OffscreenQmlSurface::forceQmlAudioOutputDeviceUpdate() {
if (QThread::currentThread() != qApp->thread()) {
QMetaObject::invokeMethod(this, "forceQmlAudioOutputDeviceUpdate", Qt::QueuedConnection);
} else {
auto audioIO = DependencyManager::get<AudioClient>();
_currentAudioOutputDevice = audioIO->getActiveAudioDevice(QAudio::AudioOutput).deviceName();
if (_audioOutputUpdateTimer.isActive()) {
_audioOutputUpdateTimer.stop();
}