[Ffmpeg-devel] Differences between mencoder and ffmpeg whenencoding using x264

[Michael Niedermayer]

Hi

On Fri, Feb 24, 2006 at 06:13:36PM +0100, Erik Slagter wrote:
> On Tue, 2006-02-21 at 11:09 +0000, Robert Swain wrote:
> 
> > > ffmpeg                   mencoder
> > >
> > > cabac=0                  cabac=1
> > > ref=1                    ref=1
> > > deblock=0:0:0            deblock=1:0:0
> > > analyse=0x1:0            analyse=0x1:0x111
> > > me=dia                   me=hex
> > > subme=6                  subme=5
> > > brdo=0                   brdo=0
> > > mixed_ref=0              mixed_ref=0
> > > me_range=4               me_range=16
> > > chroma_me=0              chroma_me=1
> > > trellis=0                trellis=1
> > > 8x8dct=0                 8x8dct=0
> > > cqm=0                    cqm=0
> > > chroma_qp_offset=0       chroma_qp_offset=0
> > > slices=1                 slices=1
> > > nr=0                     nr=0
> > > bframes=0                bframes=0
> > > keyint=12                keyint=250
> > > keyint_min=7             keyint_min=25
> > > scenecut=0               scenecut=40
> > > rc=cbr                   rc=cbr
> > > bitrate=3000             bitrate=3000
> > > ratetol=1.3              ratetol=1.0
> > > rceq='tex^qComp'         rceq='blurCplx^(1-qComp)'
> > > qcomp=0.50               qcomp=0.60
> > > qpmin=2                  qpmin=10
> > > qpmax=31                 qpmax=51
> > > qpstep=3                 qpstep=2
> > > vbv_maxrate=9000         vbv_maxrate=9000
> > > vbv_bufsize=65536        vbv_bufsize=8000
> > > ip_ratio=1.25            ip_ratio=1.40
> > 
> > So...
> > 
> > -ac
> 
> Huh? -ac is actually number of audio channels, another one that needs to
> be renamed... Suggestions? How about simply calling the non-ffmpeg
> option "cabac"?
> 
> -coder 1 works, but is not quite readable.

'-coder ac' works too and -ac would work if there wouldnt be another option
with the name ac :) patch/renaming suggestion welcome

[...]

-- 
Michael