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Fix default audio devices on Windows

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Windows 8 provides the full friendly device name, not just the first 31 characters.
This commit is contained in:
David Rowe 2014-06-24 08:50:39 -07:00
parent fc88b1f710
commit c40c5d78c8
1 changed files with 8 additions and 3 deletions
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11
interface/src/Audio.cpp
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@ -218,9 +218,14 @@ QAudioDeviceInfo defaultAudioDeviceForMode(QAudio::Mode mode) {
hr = pPropertyStore->GetValue(PKEY_Device_FriendlyName, &pv);
pPropertyStore->Release();
pPropertyStore = NULL;
//QAudio devices seems to only take the 31 first characters of the Friendly Device Name.
const DWORD QT_WIN_MAX_AUDIO_DEVICENAME_LEN = 31;
deviceName = QString::fromWCharArray((wchar_t*)pv.pwszVal).left(QT_WIN_MAX_AUDIO_DEVICENAME_LEN);
deviceName = QString::fromWCharArray((wchar_t*)pv.pwszVal);
const DWORD WINDOWS7_MAJOR_VERSION = 6;
const DWORD WINDOWS7_MINOR_VERSION = 1;
if (osvi.dwMajorVersion <= WINDOWS7_MAJOR_VERSION && osvi.dwMinorVersion <= WINDOWS7_MINOR_VERSION) {
// Windows 7 provides only the 31 first characters of the device name.
const DWORD QT_WIN7_MAX_AUDIO_DEVICENAME_LEN = 31;
deviceName = deviceName.left(QT_WIN7_MAX_AUDIO_DEVICENAME_LEN);
}
qDebug() << (mode == QAudio::AudioOutput ? "output" : "input") << " device:" << deviceName;
PropVariantClear(&pv);
}