[mythtvnz] DVB-T HD - what level in the h264 standard?

Nick Rout nick.rout at gmail.com
Tue Dec 2 03:18:01 GMT 2008


On Tue, Dec 2, 2008 at 3:45 PM, Stephen Worthington
<stephen_agent at jsw.gen.nz> wrote:
> On Tue, 2 Dec 2008 08:05:01 +1300, you wrote:
>
>>Having seen various reports emerge about VDPAU I would be interested
>>to know what "Level" the h264 encoding on the various DVB-T
>>transmissions on Freeview.
>>
>>For example Scott Davilla on the mythtv-user list tells me that in
>>relation to a PCI 8400 card with an Atom cpu. "720p h.264 L4.1 levels
>>of various profiles [works fine]. bit-rate does not seem to matter.
>>Given this, 1080p of L4.1 should also be fine. L5.1 levels need to
>>wait for the nvidia driver to improve. Most of my 720p content is via
>>HD-PVR."
>>
>>Anyone able to comment?
>
> Here are some MediaInfo reports of the profile levels and total (video
> + audio) bit rates of some recordings I have lying around:
>
> TVOne:
>  "Sunday_ Post Election Special - TV ONE - 2008-11-09.ts"
>  Main at L4.0, 8207 Kbps
>
>  "Artsville_ Ian Athfield - Architect Of Dreams - TV ONE -
> 2008-11-30.ts"
>  Main at L4.0, 8280 Kbps
>
>  "Beat Squad -  - 2008-11-24 - 7_30 p.m..ts"
>  Main at L4.0, 9577 Kbps
>
> TV2:
>  "Moonlight -  - 2008-11-27 - 10_30 p.m..ts"
>  Main at L4.0, 8546 Kbps
>
>  "Terminator_ The Sarah Connor Chronicles -  - 2008-11-26 - 9_30
> p.m..ts"
>  Main at L4.0, 7538 Kbps
>
> TV3:
>  "Heroes -  - 2008-11-19 - 8_30 p.m..ts"
>  High at L4.0, 11.0 Mbps
>
>  "House -  - 2008-11-25 - 8_30 p.m..ts"
>  High at L4.0, 11.0 Mbps
>
>  "CSI_ New York -  - 2008-10-14 - 8_30 p.m..ts"
>  High at L4.0, 11.0 Mbps
>
> C4:
>  "Cops -  - 2008-11-27 - 10_00 p.m..ts"
>  Main at L3.0, 5355 Kbps

Great, it seems to me an atom dual core with a PCI graphics cards is
going to pass muster as a light front end when vdpau settles down.



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