private void OnDeviceStateCallBack(AudioDeviceChangeData audioDeviceData)
{
switch (audioDeviceData.DeviceState)
{
case AudioDeviceState.DEVICE_STATE_ACTIVE:
case AudioDeviceState.DEVICE_STATE_NOTPRESENT:
case AudioDeviceState.DEVICE_STATE_DISABLED:
case AudioDeviceState.DEVICE_STATE_UNPLUGGED:
UnInitializeAudioDevice();
InitializeAudioDevice();
break;
default:
break;
}
}
/// <summary>
/// The Audio Device Change event and collect audio data to client
/// </summary>
/// <param name="deviceId"></param>
/// <param name="newState"></param>
private void OnAudioDeviceChange(string deviceId, Enums.AudioDeviceState newState)
{
System.Threading.Tasks.Task.Factory.StartNew(() =>
{
int propCnt = -1;
AudioDeviceChangeData audioData = new AudioDeviceChangeData()
{
DeviceState = newState
};
PropertyKey proKey;
PropVariant proVar;
COMResult comRev;
comRev = _deviceEnumerator.GetDevice(deviceId, out IMMDevice device);
comRev = device.OpenPropertyStore(Enums.StorageAccessMode.STGM_READ, out IPropertyStore ppp);
comRev = ppp.GetCount(out propCnt);
for (int j = 0; j < propCnt; j++)
{
try
{
//Get values
//TODO:use keys get you want data
comRev = ppp.GetAt(j, out proKey);
comRev = ppp.GetValue(ref proKey, out proVar);
if (proVar.DataType == System.Runtime.InteropServices.VarEnum.VT_LPWSTR ||
proVar.DataType == System.Runtime.InteropServices.VarEnum.VT_LPSTR)
{
#if DEBUG
if (proVar.Value != null)
{
//OmenCommonLib.Utilities.OMENEventSource.Log.Info("OnAudioDeviceChange: " + proKey.formatId.ToString() + "[" + proKey.propertyId + "]=" + proVar.Value.ToString());
}
#endif
if (proKey.formatId.ToString().Equals(PKEY_AUDIOENDPOINT_JACKSUBTYPE.formatId.ToString()) &&
proKey.propertyId == PKEY_AUDIOENDPOINT_JACKSUBTYPE.propertyId)
{
audioData.PKEY_AudioEndpoint_JackSubType = proVar.Value.ToString();
}
if (proKey.formatId.ToString().Equals(PKEY_AUDIOENDPOINT_INTERFACE.formatId.ToString()) &&
proKey.propertyId == PKEY_AUDIOENDPOINT_INTERFACE.propertyId)
{
audioData.PKEY_AudioEndPoint_Interface = proVar.Value.ToString();
}
if (proKey.formatId.ToString().Equals(PKEY_AUDIOENDPOINT_NAME.formatId.ToString()) &&
proKey.propertyId == PKEY_AUDIOENDPOINT_NAME.propertyId)
{
audioData.PKEY_AudioEndpoint_Name = proVar.Value.ToString();
}
if (proKey.formatId.ToString().Equals(PKEY_AUDIOENDPOINT_HWID.formatId.ToString()) &&
proKey.propertyId == PKEY_AUDIOENDPOINT_HWID.propertyId)
{
audioData.PKEY_AudioEndpoint_HWID = proVar.Value.ToString();
}
if (proKey.formatId.ToString().Equals(PKEY_AUDIOENDPOINT_INFO.formatId.ToString()) &&
proKey.propertyId == PKEY_AUDIOENDPOINT_INFO.propertyId)
{
audioData.PKEY_AudioEndpoint_Info = proVar.Value.ToString();
}
if (proKey.formatId.ToString().Equals(PKEY_AUDIOENDPOINT_FULL_NAME.formatId.ToString()) &&
proKey.propertyId == PKEY_AUDIOENDPOINT_FULL_NAME.propertyId)
{
audioData.PKEY_audioendpoint_full_name = proVar.Value.ToString();
_deviceChangeCallBack?.Invoke(audioData);
break;
}
}
}
catch (Exception)
{
//Some reason Microphone will occur exception.
}
}
});
}
