[MEncoder-users] changing frame rate

[Phil Ehrens]

Jaime Oliver wrote:
> Hello,I am new to MEncoder.
> I have a video that I believe is originally at 49 or 50fps and I need to
> change it to 30fps to match it with an audio file. That is, I need to shrink
> it to 3/5ths of it's original size. the original video doesn't have any
> audio.
> 
> I can't seem to find a solution on the web. Does anyone have a reference or
> a set of commands i should look at.

Your description is a little hard to understand.

Do you mean that the runtime of the audio and video
are different?

When you say size, do you mean duration, or file size?