IRTCClient::get_PreferredAudioDevice
The get_PreferredAudioDevice property gets the preferred audio device for audio capturing or rendering. This method retrieves the audio device set in IRTCClient::put_PreferredAudioDevice.
HRESULT get_PreferredAudioDevice(RTC_AUDIO_DEVICEenDevice,
BSTR*pbstrDeviceName);
Parameters
- enDevice
[in] An RTC_AUDIO_DEVICE enumeration that specifies the audio device type to return. - pbstrDeviceName
[out] BSTR containing the device name. The caller is responsible for freeing this memory with SysFreeString.
Return Values
RTC methods may return an RTC_E_ constant.
Value | Meaning |
---|---|
RTC_E_NO_DEVICE | No preferred audio device. |
RTC_E_CLIENT_NOT_INITIALIZED | The client has not been initialized. |
Requirements
Client: Requires Windows XP.
Server: Requires Windows Server 2003.
Redistributable: Requires Rtcdll.dll on Windows 2000, and Windows Me/98.
Header: Declared in Rtccore.h.
Library: Included as a resource in Rtcdll.dll.
GUID: IID_IRTCClient is defined as 07829e45-9a34-408e-a011-bddf13487cd1.
See Also
IRTCClient, RTC_AUDIO_DEVICE, IRTCClient::put_PreferredAudioDevice, IRTCClient::get_PreferredVideoDevice