[mythtv] Merging the 'render' branch

[Mark Kendall]

On Fri, 29 Nov 2019 at 15:56, Mark Kendall <mark.kendall at gmail.com> wrote:
> I've used a Pi3 with stock raspbian, open source driver and full kms
> for testing. Don't expect miracles on the Pi3 - I can't get much more
> than about 35fps for HD material due to a limitation in the driver
> somewhere (load is only just double digits). Pi4 should arrive on
> Monday for testing - just picked up a black Friday deal:)

Just a heads up for anyone testing on the PI - I pushed a fix last
night that greatly improves Pi3 performance (may need to be applied
for Pi4 as well).

Playback is now respectable - haven't concluded whether it is as good
as it can be.

Regards
Mark