[mythtv-users] VDPAU Current Status Report

Mitch Gore mitchell.gore at gmail.com
Wed Jan 7 15:47:32 UTC 2009


>> 1.  De-interlacing doesnt work, most options result in prebuffering
>> pauses.  Only one that somewhat works is Advanced 2x but the video is
>> still jerky.
>
> The consensus seems to be that, while video decoding has dedicated
> circuitry, deinterlacing uses the 3d pipeline (i.e. shaders). Hence
> older/less capable cards may struggle as their 3d performance isn't
> great. I would expect you to still get reasonable performance from
> bobdeint (the vdpau version that is).

Nope, Ill post logs tonight when i get a chance.

>> 2. Some times when started a video it wont start at all or I get a
>> black screen with sound only.
>
> Could be a resources (how much memory does your card have?), codec
> (should only happen with baseline h264 - but rare), X/compositing
> (there are various issues with the playback losing focus), xrandr
> (xrandr/vdpau don't play)...

PCI 8400 GS w/ 512mb RAM.  Playing Mpeg2 OTA HD 1080i

> Probably a number of other possibilities, but without logs/tickets
> etc, it won't necessarily get fixed.

ill get some tonight.  Should i play with -v playback or not?



-- 
Mitchell


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