[FFmpeg-user] XVID-Encoding with ffmpeg
francois.visagie at gmail.com
Mon Mar 4 20:23:33 CET 2013
> -----Original Message-----
> From: llarevo at gmx.net <llarevo at gmx.net>
> Date: 1 March 2013 19:08
> Subject: Re: [FFmpeg-user] XVID-Encoding with ffmpeg
> To: FFmpeg user questions <ffmpeg-user at ffmpeg.org>
> thank you for your quick reply.
> > > I would like to migrate from mencoder to ffmpeg, but I can't find
> > > sufficient information how to "translate" the parameters for encoding
> > > with xvid from the mencoder commandline to a sufficient ffmpeg
> > > commandline.
> > I don't think there is an "encopts" option in ffmpeg. You will need to
> > translate all the xvid options to ffmpeg options.
> OK, I thought so.
> > > The xvidenc-configuration in mencoder is
> > >
> > > -xvidencopts
> > >
> > For example, -pass 1 -bf 1 and so on.
> OK, I found these already, but not all of them.
> > >
> > > The most important part for me is profile=dxhtnpal because this
> > > ensures a maximum bitrate over 3 sec not over 8 MBit/s, and a avaerage
> > > bitrate not higher than around 4,8 MBit/s (cf.
> > > http://www.mplayerhq.hu/DOCS/HTML/de/menc-feat-xvid.html)
> > Use the table on
> > http://www.mplayerhq.hu/DOCS/HTML/de/menc-feat-xvid.html#menc-
> > to help you translate it.
> I know that site. My problem is, that I don't find some options from the
> mplayer site in the ffmpeg man pages or ffmpeg-documentation.
> So my concrete question is: what is ffmpeg-syntax-equivalent for
> Additional questions are:
> Where should I look for the syntax of these parameters?
If ffmpeg's MPEG-2 and MPEG-4 syntax is similar or the same, some work I did
a while ago translating my mencoder MPEG-2 command line to ffmpeg might be
of use. Let me know if you want to have a look at it.
> Exists a rule to deduce the commandline like e.g. "if you have a=b in
> mencoder, then the ffmpeg-commandline is X=Y" or "look in the xvid
> sourcefile bla.h, get the name of the xvid parameter there and write x=y
> in the ffmpeg-commandline."?
> the question in general behind this is: How to transport parameters to
> an external encoding lib (like e.g. x264, although this part seems to be
> way better documented.)
> > You can set up a ffmpeg preset to avoid the mess to type in every
> > params every time. http://ffmpeg.org/ffmpeg.html#Preset-files-1
> Thanks for this useful hint!
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