MJPEG streams must be created referencing a libcamera stream. This stream may already be provided by the request configuration, in which case the existing stream is utilised. If no compatible stream is available to encode, a new stream is requested from the libcamera configuration. Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>