Qt中的QAudioDeviceInfo::availableDevices介面可以輕鬆的獲取到音訊裝置資訊

    //獲取輸入音訊裝置名稱
    QVector<QString> aDeviceListI;
    QList<QAudioDeviceInfo> audioDeviceListI = QAudioDeviceInfo::availableDevices(QAudio::AudioInput);
    foreach (QAudioDeviceInfo devInfo, audioDeviceListI)
    {
        QString strName = devInfo.deviceName();
        if
 
 (devInfo.isNull()) continue;
        if (strName[0] == 65533) continue;
        bool bFound = false;
        foreach (QString dev, aDeviceListI) {
            if (strName == dev){
                bFound = true;
            }
        }
        if (bFound == true) continue;
        aDeviceListI.push_back(strName);
        ui->comboBoxInput->addItem(strName);
    }

    //獲取輸出音訊裝置名稱
 

    QVector<QString> aDeviceListO;
    QList<QAudioDeviceInfo> audioDeviceListO = QAudioDeviceInfo::availableDevices(QAudio::AudioOutput);
    foreach (QAudioDeviceInfo devInfo, audioDeviceListO)
    {
        QString strName = devInfo.deviceName();
        if (devInfo.isNull()) continue
 
;
        if (strName[0] == 65533) continue;
        bool bFound = false;
        foreach (QString dev, aDeviceListO) {
            if (strName == dev){
                bFound = true;
            }
        }
        if (bFound == true) continue;
        aDeviceListO.push_back(strName);
        ui->comboBoxOutput->addItem(strName);
    }