[mythtv-users] Apple TV hacked to use other codecs

Craig Partin cpartin at gmail.com
Sun Mar 25 14:53:35 UTC 2007

> >>> I thought H.264 was more cpu intensive to decode.  Would they have
> >>> optimized GPU assist for this one codec?  It's supposed to do 720p out
> >>> of the box
> >>>
> >> It does not really do 720p.  It only does 720p24 - fine for loading up
> >> movies, but useless for watching HDTV.
> >>
> >
> >
> > So is HDTV 720p60?  Is it really that big a jump from 720p24?  Does it
> > seem odd to anyone else that they are pushing these things as an
> > accessory to an HDTV but its really only powerful enough to do SD?
> > And that they are going with H.264 which is very cpu intensive but
> > gave this thing a low powered processor?  I don't get it.
> >
> With hardware accelerated H.264 playback, it makes perfect sense.  They
> don't need CPU to do it when it is all done in hardware.  This is just
> like my Athlon 1800 on Windows combined with Nvidia's PureVideo DVD
> software can do perfect HD playback but without it just falls on it's face.

But it has a general purpose GPU, not a dedicated H.264 decoder.  The
parent seems to indicate that it can only do 720p24

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