* variable value being the one currently selected, -1 if no teletext)
* - "signal-quality"
* - "signal-strength"
+ * - "program-scrambled" (if the current program is scrambled)
* - "cache" (level of data cached [0 .. 1])
*
* The read-write variables are:
/* A chapter has been added or removed or selected. */
INPUT_EVENT_CHAPTER,
- /* A program has been added or removed or selected */
+ /* A program ("program") has been added or removed or selected,
+ * or "program-scrambled" has changed.*/
INPUT_EVENT_PROGRAM,
/* A ES has been added or removed or selected */
INPUT_EVENT_ES,