[MPlayer-users] invalid VBR header. help, please

D Richard Felker III dalias at aerifal.cx
Mon Mar 14 16:21:23 CET 2005


On Mon, Mar 14, 2005 at 04:08:46PM +0100, Mauro Condarelli wrote:
> D Richard Felker III wrote:
> 
> >On Mon, Mar 14, 2005 at 08:45:02AM +0100, Rainer Hantsch wrote:
> > 
> >
> >>Hello!
> >>
> >>The solution is very simple: Instead of using VBR (variable bitrate) for
> >>audio, simply use CBR (constant bitrate). -- Then it works.
> >>
> >>The problem is that MP3 - when vompressed with VBR - can only be cutted in
> >>full MP3 block junks, and they are big.
> >>   
> >>
> >
> >This is false. Either way you can only cut at full frames, but frames
> >are tiny, only 1152 samples (about 1/40 of a second).
> >
> >The problem is just that virtualdub sucks and handles AVI incorrectly.
> > 
> >
> I should point out that avidemux sucks just as much, and in a very 
> similar way.
> Something seems amiss here.
> 
> Question:
> What (non-sucking!) program should I use to cut out from a recording 
> (with VBR or ABR audio) some unwanted scenes (commercials or whatever else)?

Apply the EDL patch from mplayer-dev-eng and use mencoder with edl
support. You can be one of the testers, and if it works it might get
committed to cvs soon. :)

> Question2:
> What program should I use to join two recordings? (I'm using "MEncoder 
> 1.0pre6-3.3.4" and "mencoder -oac copy -ovc copy -o output.avi 1.avi 
> 2.avi" does *not* seem to consider 2.avi at all).

Use latest cvs.

Rich




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