[mythtv-users] Reference fanless frontend, frontend, backend, fe/be

[jedi]

On Thu, Jan 13, 2011 at 02:19:00PM +1300, Nick Rout wrote:
> On Thu, Jan 13, 2011 at 1:29 PM, Raymond Wagner <raymond at wagnerrp.com> wrote:
> > On 1/12/2011 18:24, Nick Rout wrote:
> >>
> >> On Wed, Jan 12, 2011 at 6:18 PM, Tyler T<tylernt at gmail.com>  wrote:
> >>>>>
> >>>>> There's an ARM port of Mythtv.
> >>>>
> >>>> (master) backend only as far as I know;
> >>>
> >>> The frontend also runs fine on ARM, I can watch HDTV at about 1fps
> >>> over VNC. ;) I imagine SDTV on an ARM machine with video hardware
> >>> works too, maybe even HD with a Broadcom CrystalHD chip or similar GPU
> >>> offload.
> >>
> >> I understood that mythtv has been seen working on the beagleboard (arm
> >> plus omap DSP).
> >
> > No.  XBMC has been seen working on the beagleboard.  There was a GSoC
> > project last year that added support for it.  MythTV does compile and run on
> > the ARM, but cannot use any of their available hardware acceleration.  None
> > of them will be anywhere near fast enough for decoding of any HD video.
> 
> The wikipedia article claims the BB will do 720p video, and I have
> seen it claimed elsewhere too, but that no doubt relies on access to
> the omap DSP acceleration.

    Yes but 720p of what? Apple Quicktime trailers? Not all 720p is created
equal and a box that can decode some 720p may not be able to handle others.
I had this precise problem with my old frontends after I first started using
the HD-PVR. Some recordings would stutter badly or fail completely.