Texture provided by a [CameraFeed]. This texture gives access to the camera texture provided by a [CameraFeed]. [b]Note:[/b] Many cameras supply YCbCr images which need to be converted in a shader. The ID of the [CameraFeed] for which we want to display the image. Convenience property that gives access to the active property of the [CameraFeed]. Which image within the [CameraFeed] we want access to, important if the camera image is split in a Y and CbCr component.