[vdr] Re: A PAL Broadcast TV Hard Drive Recorder

["Rene Bartsch" <vdr@bartschnet.de>]

----- Original Message -----
From: "M. Fiegert" <Margit.Fiegert@t-online.de>
To: <vdr@linuxtv.org>
Sent: Sunday, January 05, 2003 2:38 AM
Subject: [vdr] Re: A PAL Broadcast TV Hard Drive Recorder


> >
> >
> >I think he wants to feed analogueTV to VDR.
> >
> >The problem will be, that VDR only handles MPEG-TS and I don't know of
any
> >software-encoder which can produce MPEG-TS from V4L ...
> >
>
> No, vdr can replay quite some mpeg flavours on the fullfeatured DVB-s
cards.
> If you just rename DVD vob files to vdr this works great. Same with
> standard mpeg 1 files or output of transcode.

It can only PLAY mpeg1/2, but input is only TS (or PES)! That's why Klaus'
Sky plugin requests TS from the Kfir.


> To the original question of processor speed:
> If I reencode vdr files to divx one pass, thats faster then realtime on
> my 2.26 GHz P4
> So my guess would be that at about 2 GHz a good quality mpeg 2 encoding
> should be possible.

MPEG2 needs much more CPU-power than DivX.

> Mencoder dvb functionality  gives another hint: mplayer can decode divx
> and encode the result to mpeg1 (I frame only as far as I know) on CPU
> below 1GHz.

MPEG1 needs much less CPU-power than MPEG2, especially when not calculating
B- and P-frames, like done in MPlayer.


Rene



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