[mythtv-users] CPU for spftware MPEG-4 encoding

[Jeff Simpson]

On Apr 6, 2005 10:10 AM, David <myth at dgreaves.com> wrote:
> David Blackwell wrote:
> 
> >On Apr 6, 2005 9:44 AM, Mark Cooke <mpc at jts.homeip.net> wrote:
> >
> >
> >>*grrr for top posting*
> >>
> >>The PVR250/350 is MPEG2, not MPEG4 as the poster asked.
> >>
> >>I transcode from an MPEG2 PVR250 stream at 4mbit/sec, 720x576 to MPEG4
> >>1000kbit/sec 360x288 on my system, and it seems to do about 20 frames
> >>per second.
> >>
> >>This is a P4-2GHz.
> >>
> >>Playback of the resulting file uses around 20-30%
> >>
> >>So it is my experience that transcoding is not realtime on my PC, but
> >>playback is.  Recording from raw frames to MPEG4 might be easier on the
> >>PC than transcoding.
> >>
> >>HTH
> >>
> >>Mark
> >>
> >>On Wed, 2005-04-06 at 15:34 +0200, Morten Rønseth wrote:
> >>
> >>
> >>>But a PVR-350 both encodes & decodes in hardware...
> >>>
> >>>
> >>>Cheers,
> >>>
> >>>
> >>>-Morten
> >>>
> >>>David Blackwell wrote:
> >>>
> >>>
> >>>>Using a pvr-350 I am running livetv with recording on a p2 400 with
> >>>>256 megs of ram
> >>>>
> >>>>David
> >>>>
> >>>>On Apr 6, 2005 9:24 AM, Chris Picton <chrisp at tangent.co.za> wrote:
> >>>>
> >>>>
> >>>>>Quick question
> >>>>>
> >>>>>What are the minimum CPU requirements for live tv MPEG4 encoding.
> >>>>>
> >>>>>Or rather, who has the slowest system, running mpeg-4 encoding and
> >>>>>decoding in software.
> >>>>>
> >>>>>--
> >>>>>Chris Picton <chrisp at tangent.co.za>
> >>>>>
> >>>>>
> >>>>>_______________________________________________
> >>>>>mythtv-users mailing list
> >>>>>mythtv-users at mythtv.org
> >>>>>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>>
> >>>--
> >>>-------------------------------------------------------------------
> >>>WEB-fx
> >>>Morten Lerskau Rønseth           http://www.webfx.no
> >>>Odinsvei 15c                     mailto:morten at webfx.no
> >>>1413 Tårnåsen                    Tlf.: (47) 6680 9191
> >>>Norway                           Mob : (47) 9343 4357
> >>>_______________________________________________
> >>>mythtv-users mailing list
> >>>mythtv-users at mythtv.org
> >>>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >>>
> >>>
> >>--
> >>Mark Cooke <mpc at jts.homeip.net>
> >>
> >>
> >>_______________________________________________
> >>mythtv-users mailing list
> >>mythtv-users at mythtv.org
> >>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >>
> >>
> >>
> >>
> >>
> >Bottom post :-)
> >so he did.. Sorry I read and replied so fast.
> >David
> >
> >
> >
> 
> ah - much more thoughtful - that only took 4 scrolls of the mouse wheel
> to get down to the reply
> 
> (yes, this is a troll - as is any post that whines about top/bottom
> posting without itself doing any trimming)
> 
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> 

haha, I use gmail, so top and bottom posts all just say "- Show quoted
text -" as a little tiny link instead of showing ANY of the quoted
parts :-)

-- 
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