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

Paul Gardiner lists at glidos.net
Fri Jan 14 09:21:00 UTC 2011


On 13/01/2011 22:55, Andre wrote:
>
> On 13 Jan 2011, at 21:40, Richard Morton wrote:
>
>> I had an online discussion with someone (not on this list) that was
>> being very patronising and abusive while telling me that hi is
>> transcoding a bluray rip to 2gb (from 25gb) and it is completely
>> lossless.
>
> Does he work for Adobe? ;-) they seem to think that sort of thing is possible!
>
>
>>
>> However; this does highlight a point jedi's point. both are 1080p
>> encodes of a movie, both are in H264 and yet not both will playback on
>> the same hardware, the more data the more processing required.
>
> Never mind the myriad combinations of encoding tools and schemes available even within a fixed profile. I could easily generate a perfectly valid H264 encode at common rates that wouldn't playback on any current cpu in software and vdpau would barf on too. I had something much like that recently for a customer who wanted 1080p at 4Mb/s but they couldn't find anything fast enough to play the resulting files, looked ok for 4Mb/s but certainly nothing near even bad bluray quality.
>
> Looking at the BBC HD threads I think the BBC just recently did the same!

Actually BBC HD recordings look great, and play back perfectly with
vdpau (other than a memory leak, which might not be BBC HD specific).
There was a problem searching within these recordings, because of
a missing case in myth's H264 parser, but that's hopefully fixed now.

Paul.


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