[MPlayer-users] Mencoder questions

[Jacob Kolding]

On Tue, 2004-05-18 at 07:31, D Richard Felker III wrote:
> On Tue, May 18, 2004 at 07:01:17AM +0200, Jacob Kolding wrote:
> > On Sun, 2004-05-16 at 23:55, Loren Merritt wrote:
> > > On Sun, 16 May 2004, Jacob Kolding wrote:
> > > 
> > > > I have some questions about mencoder, first can
> > > > it be used to remove bframes from a xvid file?
> > > 
> > > Do you mean drop the b-frames without modifying the i- and p-frames?
> > > No, mencoder's frame-dropping isn't that smart.
> > 
> > I don't know what i and p frames are, are they necessary?
> > 
> > > > and second how do I convert a divx file to xvid?
> > > 
> > > Why would you want to? DivX and XviD are both mpeg4 codecs, so the
> > > compressed streams they generate are the same format.
> > > (Actually, XviD uses a few features that DivX doesn't, but I don't know of
> > > any programs that can play XviD but not DivX.)
> > 
> > The reason why I want to reencode the files is that I own a KiSS DivX
> > XviD capable DVD player but most DivX files don't play properly, so
> > I thought I'd try to reencode them and see if that fixes the problem.
> > 
> > A friend of mine mentioned that it seems that the player can't handle
> > bframes (which I don't know what is) so that why I wanted to remove
> > them.
> 
> You can't just remove them (well actually you can but the result would
> be horrible). You have to reencode a file that doesn't use B frames
> (or other features that your player doesn't support).

How do I convert a DivX to Xvid so that bframes aren't used?
Where can I find info about all mencoder options?

/Jacob Kolding

> Rich
> 
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