[MPlayer-users] 3:2 pulldown

[D Richard Felker III]

On Tue, Jan 06, 2004 at 04:17:14PM +0100, Martin Emrich wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi!
> 
> On Tue, Jan 06, 2004 at 04:40:56AM -0500, D Richard Felker III wrote:
> > [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> > On Tue, Jan 06, 2004 at 09:56:52AM +0100, Martin Emrich wrote:
> 
> > > I currently have the same problem, an AVI at 23.976 fps which I want to
> > > encode to PAL or NTSC framerate. Is there the possibility to use
> > > mencoder to encode the video, and use some other tool to add these
> > > "field-repeat flags" to the MPEG2 stream afterwards ? (just using -ofps
> > > 25 or -ofps 29.97 gives me audio desync).
> > 
> > You don't want to use field repeats to convert 24 fps to 25 fps. It
> > will look choppy. Instead just speed it up to 25 fps, and speed up the
> > audio by the same factor. MPlayer has a -speed option to do this (use
> > -speed 25025/24000), but unfortunately no one has written the
> > corresponding code for MEncoder. :(
> 
> I want to convert it to SVCD, and my standalone player doesn't have
> a -speed switch either ;-)

I didn't say to use it on your player, but on the program you _encode_
with.

> I also tried the "telecine" filter, but that gave me terribly choppy video.

Like I said, telecine should NOT be used for pal.

> > you could hack the headers in your source avi file to
> > change the framerate and audio samplerate to make it play faster...
> 
> I'll take a look at that. -af resample could then return the sample rate
> to a sane value...

Yep. Actually -srate. Explicit -af chains don't work with mencoder.

Rich