[mythtv] Merging the 'render' branch

[Mark Kendall]

On Mon, 2 Dec 2019 at 21:29, Andreas Mayer <and.mayer at aon.at> wrote:
>      When using the NVidia graphics card (driver version 430.26 first,
> now 440.31) with playback profile "NVDEC Standard":
>          SD LiveTV and UHD Live LiveTV works fine but channel change to
> HD channels and sometimes to UHD channel results in
>          SEGV in cuda_buffer_free (backtrace something like ...
> mythfrontend.TVMenuCallback -> mythfrontend.startTVNormal -> libmythtv.* ->
>          libmythavutil.buffer_replace, buffer_pool_free,
> cuda_buffer_free, will provide more details as soon as possible)

Andreas

Don't worry about backtrace/more details - I've found the issue. Not
just a CUDA/NVDEC problem - bit of on an issue with live tv channel
switching/transitions. Now to try and fix it.

Regards
Mark