[MPlayer-dev-eng] Re: [RFC] change lacv's MPEG-4 encoding options defaults

[Alexander Strasser]

[...]
> >>>The default number of b-frames for x264 is currently 0 while most
> >>>people use 2/3 as standard. Fair enough b-frames stored in avi aren't
> >>>perfect, but standalones can play the produced files, most if not all
> >>>software can play the produced files, so is this a real problem?
> >>>     
> >>Like I said: mencoder is broken so B frames cause a/v desync!!
> >
> >??
> >That's only true under some circumstances. Normally mencoder + bframes 
> >works very well. Additionally B-frames have been recommended for the 
> >doom9 codec comparison. I don't think Corey made this to make mencoder 
> >look bad :-)
> 
> depends on how many b-frames you use: in mpeg4 tipically only up to 2 
> are used,
> but in h264 people seem to even 5 and more.
> The more there are the more audio and video will desync.

  Also note that there probably wasn't much need for a/v-sync at
doom9's video codec comparison...

  Alex (beastd)