Image configurations.

public class ImageTrackOptions
        public string imageUrl { set; get; }
        public int fps { set; get; }

        public ImageTrackOptions()
            imageUrl = "";
            fps = 1;


The image URL. Supported formats of images include JPEG, JPG, PNG and GIF. This method supports adding an image from the local absolute or relative file path.
Note: On the Android platform, adding images from /assets/ is not supported.
The frame rate of the video streams being published. The value range is [1,30]. The default value is 1.