My LE issues..

I have a really good working LE 8 setup on RPi3 right now..
But i encountered some problems.
The second isn't problem but only question.

1.
I have DVBSky S960 with the RPi but sometimes only 2x by 10 minutes i have frame drop replaced by green blocks when watching live tv.

2.
+ to that setup i have I2C display connected and i customised the LCD.xml file to show big clock when nothing plays(idle mode)
and i set in libCEC menu to stop live tv when i turn tv off..(to show the big clock).
The question is: how to play last video/live tv after turning back tv on?

I think someone will help.
Thanks..

Quote from jmooremcc

Did you pay for the mpeg license for your RPi? If you didn't you'll be relying on a software decoder instead of the hardware decoder which doesn't work as well. The hardware decoder frees the cpu for other important tasks which makes the decoding process more efficient.

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Many channels are in HD and h264, so i think i don't need it.