A scene contains the configuration information of video wall, such as window size, position, window division mode, decoding sources, and so on. You can add different scenes or save the views displayed on video wall as scenes, and then, you call the configured scenes and switch scenes to easily view the required videos on the video wall.
Make sure you have called NET_DVR_Init and NET_DVR_Login_V40 to initialize the development environment and log in to the device.
Make sure you have added signal sources, added video outputs, and linked the video outputs to the jointed screens to configure the video wall, see details in Configure Video Wall and Open Roaming Window for details.
Figure 1 API Calling Flow of
Switching SceneCall NET_DVR_Logout and NET_DVR_Cleanup to log out and release the resources.