[MPlayer-users] mjpeg and mencoder

[Brad Barnett]

On Thu, 9 Jan 2003 10:22:27 +0100
Arpi <arpi at thot.banki.hu> wrote:

> [Automatic answer: RTFM (read DOCS, FAQ), also read
> DOCS/bugreports.html] Hi,
> 
> > > > megs for 2 minutes, which is a bit much.
> > > u could try to generate better huffman tables for it (just use 2pass
> > > encoding, first pass generates the tables, 2nd one uses them, u can
> > > do this with totally different videos for the 1st & 2nd pass too
> > > with huffyuv) it should save a few %, and a different prediction
> > > mode might allso save a tiny bit 
> > > 
> > 
> > I'd doing TV / Satelite capture.  I want a lossless method to capture,
> > that doesn't take 50 gigs / 2 hours.  Aside from that, if I can't do
> 
> you should either
> - capture from DVB (digital TV/sat), they broadcast in ~6mbit/s mpeg2
> - capture from analog TV/sat but using some noise removal filters at
>   capturing time, then lossless compression will go better.
> 
> for example -vop pp=dn:c:64:128:256 is a good start, but we definitly
> need a better, pre-pixel noise filter, with motion compensation etc.

There doesn't seem to be a lot of noise here.  After all, this is
satelite.  Natureally there are mpeg2 artifacts, but they are very
minimalistic.

> 
> > Why?  Because I can't do live TV capture unless I use mjpeg.  DIVX is
> > just too slow ;(  There are some things I want captured at 640x480
> > instead of 320x240 or what not :/
> you shouldn't capture at 640x480...
> and for any Y res >288 you should do deinterlacing too.

Why shouldn't I capture at 640x480?  I don't want to deinterlace, btw,
these movies are to be played on a TV... 

I want the interlaced signal.

> 
> 
> A'rpi / Astral & ESP-team
> 
> --
> Developer of MPlayer, the Movie Player for Linux -
> http://www.MPlayerHQ.hu
> 
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