* Enhancements for DirecTV media player
Following enhancements have been made:
1. Added debug logging
2. Added ability to change channel using select_source service of the remote platform.
3. State will now show paused if a recorded program is paused, for live TV playing will always be returned.
4. Added the following attributes:
a. media_position: current position of the media (in seconds)
b. media_position_updated_at: timestamp when media_position was updated.
c. source: current source (channel).
d. media_isbeingrecorded: if current media is being recorded or not.
e. media_rating: TV/Movie rating of the media
f. media_recorded: if current media is recorded or live TV
g. media_starttime: Timestamp media was aired
Reordered properties to follow same order as how they are in __init__.py of remote platform.
* Fixed error and cleaned up few items
Fixed an issue when determining if a program is recorded or not.
Cleaned up some coding.
* Added available property
Added available property
* Disable feature TURN_ON and TURN_OFF for DVR clients
Disable the feature turn_on and turn_off for DVR clients.
* self._is_client and raise NotImplementedError
Updated setting self._is_client
Raise NotImplementedError if turn_on or turn_off is called for clients.
ehendrix23
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