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Documentation  >  Interactive Live Streaming Premium (Legacy)  >  API Reference  >  Windows API Reference (C#)  >  IAgoraRtcVideoDeviceManager
IAgoraRtcVideoDeviceManager
Updated Time 2022/09/01 23:15

IAgoraRtcVideoDeviceManager

Video device management methods.

IAgoraRtcVideoDeviceManager provides the methods related to testing video devices. You can get an IAgoraRtcVideoDeviceManager interface by instantiating the IAgoraRtcVideoDeviceManager class.

EnumerateVideoDevices

Enumerates the video devices.

public abstract DeviceInfo[] EnumerateVideoDevices();

Returns

  • Success: Returns a DeviceInfo array that contains all the video devices.
  • Failure: NULL.

GetDevice

Retrieves the current video capture device.

public abstract string GetDevice();

Returns

The video capture device.

SetDevice

Specifies the video capture device with the device ID.

public abstract int SetDevice(string deviceId);

Attention: Plugging or unplugging a device does not change its device ID.

Parameters

deviceId

The device ID. You can get the device ID by calling EnumerateVideoDevices.

Returns

  • 0: Success.
  • < 0: Failure.

StartDeviceTest

Starts the video capture device test.

public abstract int StartDeviceTest(view_t hwnd);

This method tests whether the video-capture device is working properly. Before calling this method, ensure that you have already called the EnableVideo method, and the window handle (hwnd) parameter is valid.

Parameters

hwnd
The window handle used to display the screen.

Returns

  • 0: Success.
  • < 0: Failure.

StopDeviceTest

Stops the video capture device test.

public abstract int StopDeviceTest();

Returns

  • 0: Success.
  • < 0: Failure.