[mythtv] [mythtv-commits] Ticket #7650: Use libmythui to draw the OSD

[Doug Larrick]

On Tue, 19 Jan 2010 12:48:27 +0000, Stuart Morgan <stuart at tase.co.uk>
wrote:
> On Tuesday 19 Jan 2010 12:12:15 Doug Larrick wrote:
>> FYI realtime priority of the video thread is absolutely essential for
>> smooth playback on my systems (Core2Duo, Intel graphics), especially if
>> any background activity (notably commercial scanning) is going on.  In
>> plain old XVideo output, the video thread is responsible for displaying
>> each frame at the correct time, with only minimal help from the
>> hardware.  If the scheduler calls it late, we miss a frame.
> 
> The question is do we continue to support all possible combinations of 
> hardware, older hardware especially, forever. Especially when that
support 
> complicates the code, and as in this case, the setting causes as many
> problems as it fixes.

I see your argument, but IMHO it's really only VDPAU that can play video
smoothly without it.  That's not dropping support for 20-year-old hardware,
that's saying there's only ONE video output method that will work right.

-Doug