[Ffmpeg-cvslog] [ffmpeg]: r5412 - /trunk/doc/faq.texi

Michael Niedermayer michaelni
Sat May 27 22:05:30 CEST 2006


On Sat, May 27, 2006 at 06:40:35PM +0100, Robert Swain wrote:
> On Saturday 27 May 2006 10:44, michael at ffmpeg.org wrote:
> [...]
> > +ffmpeg -i input -acodec aac -ab 128 -vcodec h264 -b 1200 -ar 48000 -mbd 2
> > -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp -flags
> > loop -trellis 2 -partitions parti4x4+parti8x8+partp4x4+partp8x8+partb8x8
> > output.mp4
> -mbd, -cmp, -subcmp ? As far as I am aware (and I quickly skimmed the source 
> that I updated...) those three switches will do nothing, except for -cmp 

i dont doubt it, but they wont harm either ... 
and the x264 wrapper needs some cleanup

> which may affect chroma depending on its argument. The me_method switch 
> affects the ME search method/pattern (dia, hex, umh, esa are available) but 
> the 'cmp' functions are fixed internally. With regard to -mbd 2, which 
> enables RD MB decision, there's the -subq 6 and 7 which use RDO for ME and MB 
> decisions and -flags2 +brdo to enable RDO for b-frames.
> Also, this message might be of use (though all flag switches require arguments 
> and I didn't know this at the time):
> http://mplayerhq.hu/pipermail/ffmpeg-devel/2006-February/007874.html

yes, maybe this could be added to our docs somehow ...

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

In the past you could go to a library and read, borrow or copy any book
Today you'd get arrested for mere telling someone where the library is

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