and for counter scopes

This calls decode_URI, as does the meta.c file. I hope this is correct, feel free to revert if not.
closes #3076

Fix #3085

TODO:
 - only inhibit screen saver when input is *not* paused.

Pointed by jb.

We could probably have deinterlace=Auto, as it seems to work reliably enough on freebox channels.

HAL is officially deprecated. The new udev discs module provide the same
functionality in VLC. Moreover, the plugin was waking up the CPU at
regular intervals. Last, InitDeviceValues seemed to cause problems with
wrong disc paths being saved to vlcrc for some people

refs #3089