[MEncoder-users] Questions about fps and synch for vintage QuickTime movies

[Carl Eugen Hoyos]

Mike Spreitzer <mspreitz <at> us.ibm.com> writes:

> I used a stopwatch to time the playback time between two events 
> in the movie (it is short), and got the same amount (33 seconds) 
> in each of those four cases. 

(FFmpeg will tell you the number of frames, so you will easily find out 
the actual fps, but see below.)

> Why are these two pieces of software making different claims about FPS?
> 
> When I try to transcode, using mencode, the sound and video get out of 
> sync.

Did you test ffmpeg -i input -qscale 2 out.avi ?
If that also produces out-of-sync files, please provide a sample.
I believe it is unlikely that the problem you see is in any way 
related to fps.

Please do not cross-post, it is considered very rude, Carl Eugen