[MPlayer-users] mjpeg and mencoder
Brad Barnett
bb at L8R.net
Thu Jan 9 15:40:41 CET 2003
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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