[mythtv-users] Correctly behaving 576i (or 480i) from vdpau-capable chip?

Paul Gardiner lists at glidos.net
Sun May 23 12:13:50 UTC 2010

New TV!!. So I want to build a new front end, mainly to be able
to connect via HDMI. For the next year or so, I don't foresee
having any HD content to play, so I don't need vdpau, but I'd
like to build a vdpau-capable system for future proofing.

For now though, with the entirely SD content (PAL 576i), I'd rather let
the TV do all the processing (deinterlacing and scaling), and
not use vdpau at all. I'm planning on using software decoding,
the "2 x Interlaced" software deinterlacer, with X set up to
a 576i mode. The TV accepts that mode via HDMI.

So what I'd like to know, is whether the vdpau-capable chips
can be set up to run that way. I know some chips/drivers
don't support interlaced modes. In the past there were problems
with nVidia cards and interlaced modes (although possibly
only if using XVMC).

Anyone know what the current situation is?


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