[MPlayer-users] mjpeg and mencoder

Michael Niedermayer michaelni at gmx.at
Wed Jan 8 10:35:11 CET 2003


Hi

On Wednesday 08 January 2003 09:31, D Richard Felker III wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
>
> On Wed, Jan 08, 2003 at 09:15:56AM +0100, Moritz Bunkus wrote:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > Hi.
> >
> > > Cool.  I'm trying to basically get as close to lossless compression as
> > > I can.  I can't do rawrgb, it's just too large.  However, why does
> > > something like:
> >
> > While translating the man page I've noticed that libavcodec now
> > supports huffyuv (lossless compressionin YUV colorspace) - perhaps you
> > could use that? I've used it under Windows for capturing TV and was
> > quite happy with it. But I don't know how good it works in this
> > incarnation.
>
> From my experience it's way too slow for realtime capture. I imagine
> the yv12->422p conversion is partly responsible... Perhaps lavc should
> at some point implement its own fast lossless 4:2:0 compression for
> live capture rather than using a bad existing format.
 -lavcopts vcodec=huffyuv:vstrict=-1
but only libavcodec will be able to decode it later (use -vc ffhuffyuv)

[...]

Michael



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