If an external camera was disconnected, there were no feedback in an application. It seems reasonable to wait on mmal_queue no longer than 100ms. If it's stuck we just return a FLOW_ERROR and let the application decide what to do later.
If an external camera was disconnected, there were no feedback in an application. It seems reasonable to wait on mmal_queue no longer than 100ms. If it's stuck we just return a FLOW_ERROR and let the application decide what to do later.