[MPlayer-users] mjpeg and mencoder

[D Richard Felker III]

On Thu, Jan 09, 2003 at 10:22:27AM +0100, Arpi 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

Agree.

> - 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.

:))

> > 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.

240 for NTSC. And I think he's trying to preserve the interlacing to
encode to SVCD, so deinterlacing would just reduce quality.

Rich