/** Retrieves the device information of the current audio playback device.
*
* @param deviceName The device name of the current audio playback device.
* @param deviceId The device ID of the current audio playback device.
*
* @return
* - 0: Success.
* - < 0: Failure.
*/
public override int GetCurrentPlaybackDeviceInfo(ref string deviceName, ref string deviceId)
{
if (mEngine == null)
{
return((int)ERROR_CODE.ERROR_NOT_INIT_ENGINE);
}
if (GetAudioPlaybackDeviceCount() > 0)
{
System.IntPtr playbackDeviceName = Marshal.AllocHGlobal(512);
System.IntPtr playbackDeviceId = Marshal.AllocHGlobal(512);
int ret = IRtcEngineNative.getCurrentPlaybackDeviceInfo(playbackDeviceName, playbackDeviceId);
deviceName = Marshal.PtrToStringAnsi(playbackDeviceName);
deviceId = Marshal.PtrToStringAnsi(playbackDeviceId);
Marshal.FreeHGlobal(playbackDeviceName);
Marshal.FreeHGlobal(playbackDeviceId);
return(ret);
}
else
{
return((int)ERROR_CODE.ERROR_NO_DEVICE_PLUGIN);
}
}