[mythtv-users] mpeg4 on Ion ?
knowledgejunkie at gmail.com
Tue Mar 2 18:01:37 UTC 2010
On 2 March 2010 16:53, Travis Tabbal <travis at tabbal.net> wrote:
> MPEG4 in VDPAU is a quite new feature and I think it only works on the G2xx
> cards. I don't think the ION has the proper hardware for it. Transcode to
> h264, and it should work fine. I don't know if there is a default setting in
> Myth to do that though, you might have to set it up yourself.
To try to avoid confusion, MPEG-4 is an umbrella standard/term and
includes H.264 (MPEG-4 AVC, MPEG-4 Part 10) and Xvid/DivX (MPEG-4 ASP,
MPEG-4 Part 2) .
H.264 can be decoded by all VDPAU-supported graphics chips (those
supporting feature sets A, B,or C). Xvid/DivX requires a graphics chip
supporting feature set C, which means a Geforce 200M series chip .
Ion chipsets only support feature set B, which will explain the OP's
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