For this capability, I think that we need to refer to Samsung’s own web APIs:
http://img-developer.samsung.com/onlinedocs/samsung_webapi_guide_public_2.0/html/index.html
They have already defined some sub-capabilities such as
Module Description
AudioControl - This API provides control of a TV’s audio related functions (volume, mute, etc.).
AV Play - This API provides interfaces and methods for playback of media content encrypted with DRM.
DisplayControl - This API provides interfaces and methods for a TV’s display features, like 3D effects, etc.
Image View - This API provides interfaces and methods for the control of a local image viewer which supports DRM content.
TV Info - This API provides interfaces and methods for obtaining TV specific system information
TV Channel - This API provides interfaces and methods for control of channel selection on a TV
TV Window - This API provides interfaces and methods for TV source relative functions of a TV