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setting defauld device code for mac to use QT with optional backup to platform code on failure

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This commit is contained in:
amerhifi 2019-10-25 15:19:24 -07:00
parent 6860ac9693
commit 397586bd19
1 changed files with 37 additions and 24 deletions
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61
libraries/audio-client/src/AudioClient.cpp
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@ -516,37 +516,50 @@ QString defaultAudioDeviceName(QAudio::Mode mode) {
QString deviceName;
#ifdef __APPLE__
AudioDeviceID defaultDeviceID = 0;
uint32_t propertySize = sizeof(AudioDeviceID);
AudioObjectPropertyAddress propertyAddress = {
kAudioHardwarePropertyDefaultInputDevice,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
if (mode == QAudio::AudioOutput) {
propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
QAudioDeviceInfo device;
if (mode == QAudio::AudioInput) {
device = QAudioDeviceInfo::defaultInputDevice();
} else {
device = QAudioDeviceInfo::defaultOutputDevice();
}
if (!device.isNull()) {
if (!device.deviceName().isEmpty()) {
deviceName = device.deviceName();
}
} else {
qDebug() << "QT's Default device is null, reverting to platoform code";
AudioDeviceID defaultDeviceID = 0;
uint32_t propertySize = sizeof(AudioDeviceID);
AudioObjectPropertyAddress propertyAddress = {
kAudioHardwarePropertyDefaultInputDevice,
kAudioObjectPropertyScopeGlobal,
kAudioObjectPropertyElementMaster
};
if (mode == QAudio::AudioOutput) {
propertyAddress.mSelector = kAudioHardwarePropertyDefaultOutputDevice;
}
OSStatus getPropertyError = AudioObjectGetPropertyData(kAudioObjectSystemObject,
&propertyAddress,
0,
NULL,
&propertySize,
&defaultDeviceID);
if (!getPropertyError && propertySize) {
CFStringRef devName = NULL;
propertySize = sizeof(devName);
propertyAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
getPropertyError = AudioObjectGetPropertyData(defaultDeviceID, &propertyAddress, 0,
NULL, &propertySize, &devName);
OSStatus getPropertyError = AudioObjectGetPropertyData(kAudioObjectSystemObject,
&propertyAddress,
0,
NULL,
&propertySize,
&defaultDeviceID);
if (!getPropertyError && propertySize) {
deviceName = CFStringGetCStringPtr(devName, kCFStringEncodingMacRoman);
CFStringRef devName = NULL;
propertySize = sizeof(devName);
propertyAddress.mSelector = kAudioDevicePropertyDeviceNameCFString;
getPropertyError = AudioObjectGetPropertyData(defaultDeviceID, &propertyAddress, 0,
NULL, &propertySize, &devName);
if (!getPropertyError && propertySize) {
deviceName = CFStringGetCStringPtr(devName, kCFStringEncodingMacRoman);
}
}
}
#endif
#ifdef WIN32
//Check for Windows Vista or higher, IMMDeviceEnumerator doesn't work below that.