[MEncoder-users] Re: quicktime compatible mp4 using x264encopts?

[Rich Felker]

On Thu, Jul 13, 2006 at 10:34:02AM -0700, Jon Drukman wrote:
> Jon Drukman wrote:
> >Jon Drukman wrote:
> >>here's what i have at the moment.  one thing to note is that sometimes 
> >>it will still generate files that don't play in quicktime.  (they will 
> >>play in other mp4/h.264 capable apps though)
> >
> >one of my colleagues informs me that muxing with mp4creator (from the 
> >mpeg4ip project) creates files that work in quicktime, although the 
> >audio and video lose sync over time.
> 
> actually i've solved the a/v sync issue by specifying -ofps 29.97 in the 
> mencoder command line.  previously i specified 30000/1001 and that 
> caused the sync error.

The difference in these is too small to cause any sync difference in
less than 24 hours time. IIRC it's around 1 frame per 24 hours
difference.

Rich