[Ffmpeg-devel] Re: Differences betweenmencoderandffmpegwhenencoding using x264

[Bob Pankratz]

Loren Merritt <lorenm <at> u.washington.edu> writes:

> 
> On Wed, 15 Mar 2006, Bob Pankratz wrote:
> > Erik Slagter <erik <at> slagter.name> writes:
> >
> >> On Wed, 2006-03-15 at 09:46 +0000, Bob Pankratz wrote:
> >>
> >>> Ok here they are 90% of the way.  Still can't get bframes to
> >>> activate nor chroma_me. Any suggests would be welcomed.
> >>
> >> -bf ?
> >>
> >> the chroma thing seems to be hidden somewhere in the -cmp option.
> >
> > -bingo   "-cmp 1" did it thanks!
> 
> um? FF_CMP_CHROMA is 256. If -cmp 1 does anything to x264, it's a bug.
> 
> > now back to the bframe search :)
> 
> iPod doesn't support B-frames.
> 
> --Loren Merritt
> 
-cmp 1 is getting passed through to --chrome_me=1 for x264 from
 a parameter standpoint, I'm not in a position to judge, but if it's a bug
it's a useful one.

ipod: Ah but it apparently does; it's baseline + "1" and only "1" bframe. 
Or so the rumor goes. As soon as the wife gets back with the ipod from
a business trip I plan to verify.