[MPlayer-users] A-V-sync in mencoder

[D Richard Felker III]

On Fri, Mar 19, 2004 at 09:28:44PM +0200, Ville Saari wrote:
> On Thu, Mar 18, 2004 at 05:07:51PM -0500, D Richard Felker III wrote:
> 
> > > And although the relation between
> > > the input and output frames would then not be one-to-one, it would still
> > > be predictable which would be quite an improvement over the current
> > 
> > No, it's entirely nonpredictable.
> 
> How come? If the input is constant framerate, the inverse telecine filter
> uses constant input-output-ratio and the output is constant framerate, then
> the only source of unpredictability is the phase of the telecine pattern,
> which can cause a difference of one frame at most.

ROTFL! The phase is not set once, but hundreds or thousands of times
during the movie.

> And if the inverse telecine filter doesn't use strictly constant
> input-output-ratio, then it is plain wrong unless the video pipeline

No, your assumptions about how telecine is done are plain wrong.

Rich