[MPlayer-users] Requested feature

[D Richard Felker III]

On Thu, Mar 27, 2003 at 01:42:20PM -0300, Alejandro Néstor Vargas wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> D Richard Felker III dijo:
> > Arpi says this isn't possible, since you have to know the fps when you first start
> > writing the output file, but the detection can't take
> > place until several frames have passed.
> 
> It may be possible to change the ofps and re-initiate the encoding from the
> beginning, almost if the change is detected in the first few frames...
> 
> > Is it really that hard to type -ofps 23.976? Ripping DVDs is
> > complicated enough that it requires a lot of user intervention to get it right, so
> > trying to automate this doesn't really make a lot of
> > sense anyway until a lot more can be automated, which is still a long ways away.
> 
> This is true, but I really didn't know the problem of telecine encoding and I needed
> to ask here to solve the problem. It may be interesting to add almost a very visible
> warning to mencoder almost when it is in the first of 3 pass. It may be added to the
> final report for the recomended bitrates. Something like "Telecine detected. You may
> need to add -ofps in order to obtain the right final file size"

It's not just a matter of file size. The output file will be really
crappy (jagged motion in pans) without -ofps 23.976 since every 4th
frame will get duplicated!

Rich