[MEncoder-users] h264 3-pass mode

[Kevin Downey]

On 1/16/07, Justin Randall <jrrandall at gmail.com> wrote:
> It's in the docs, and it's up to your personal preferences and which
> H.264 profile you want to encode to. i.e. Baseline, Extened, or Main,
> etc. I recommend reading up on what H.264 can do and decide what you
> want it to do. http://en.wikipedia.org/wiki/H.264.  For starters on
> three pass encoding (highly unnessary IMHO, two-pass is just fine) I
> would use these settings. It's all up to you and what you want to do
> though.
>
> >: mencoder test.avi -ovc x64 -x264encopts
> pass=1:qp_constant=15:fullinter:cabac:deblock:subq=4:keyint=300: \
> scenecut=45:frameref=8:deblockalpha=1:deblockbeta=0 \
> -nosound -of avi -o /dev/null
> >: mencoder test.avi -ovc x64 -x264encopts
> pass=3:bitrate=1200:qp_min=15:qp_max=51:qcomp=0.8:rc_buffer_size=700:
> \
> fullinter:cabac:deblock:subq=4:keyint=300:scenecut=45:frameref=8: \
> deblockalpha=1:deblockbeta=0  -nosound -of avi -o threepass.avi
> >: mencoder test.avi -ovc x64 -x264encopts
> pass=3:bitrate=1200:qp_min=15:qp_max=51:qcomp=0.8:rc_buffer_size=700:
> \
> fullinter:cabac:deblock:subq=4:keyint=300:scenecut=45:frameref=8: \
> deblockalpha=1:deblockbeta=0  -nosound -of avi -o threepass.avi
>
> Again, these settings are there for YOU to choose, so do some research
> and decide what is best for you. Good luck.
>
> Justin
>
> On 1/16/07, Igor Nikanov <goga777 at front.ru> wrote:
> > > > #3 happens simultaniously
> > > > 2 pass encoding is the same
> > >
> > > Thanks, so I won't have to encode the movie four times, only 3 :)
> >
> > could you write the mencoder's commands and options for best quality coding to h264
> >
> > Igor
> > _______________________________________________
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> > MEncoder-users at mplayerhq.hu
> > http://lists.mplayerhq.hu/mailman/listinfo/mencoder-users
> >
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what are the videos you are encoding with those settings for? content
archiving? streaming? something else?

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