public static MediaStream CaptureStream(this UnityEngine.Camera cam, int width, int height, int bitrate,
RenderTextureDepth depth = RenderTextureDepth.DEPTH_24)
{
var stream = new MediaStream(WebRTC.Context.CreateMediaStream("videostream"));
var track = cam.CaptureStreamTrack(width, height, bitrate, depth);
stream.AddTrack(track);
return(stream);
}