Consumer multimedia devices are becoming more open allowing media applications in software. Programmable components, however, are expensive and the consumer expects the devices to remain robust. A novel approach uses media applications that allow a trade-off between resource usage and output quality in a QoS environment. In this paper we focus on video applications and we take a look on the type of changes they may undergo at run-time. We use this information to define the parameters that describe the state of the applications in a QoS manner. We further provide the implications of state changes to the functionality and QoS control of the video processing modules.