[MPlayer-users] mpeg2enc discrepencies

[Giacomo Comes]

On Tue, Sep 20, 2005 at 12:51:55PM -0400, Sterling Sympatico wrote:
> Hi,
> 
> I need some help with creating an NTSC DVD.  I have used two methods and
> seen two different results.
> 
> If I use the tovid (tovid.sourceforge.net) scripts which rip audio and
> video from an input file, then mux them using mpeg2enc, the resulting
> file is dvd compatible and playable in mplayer (cvs).  Mplayer even
> displays the correct amount of total time in the encoded video when osd
> is activated.
> 
> If I use mencoder and the instructions in the mplayer docs for encoding
> to ntsc dvd (same bitrate parameters as the tovid scripts use), I again
> get a playable and dvd-compatible file.  However, when mplayer plays the
> file, the osd shoes the overall time to be incorrect.  If the file is
> 1hr24min long, the mencoder-created file will display 42min in total
> length.  The file is still playable to the end.
> 
> tcprobe -i tovid.dvd will show the file to be 1hr24min
> tcprobe -i mencoder.dvd will show the length to be 42min
> 
> mplayer -frames 0 -identify will show similar results.
> 
> Is this issue a concern when creating a dvd to play in hardware dvd
> players?
> 
> Thanks in advance,
> 
> Sterling

It is knonw that currently MEncoder has problems with NTSC mpeg.
(http://mplayerhq.hu/pipermail/mplayer-users/2005-September/055372.html)

There may be some fixes in the close future.

In the mean time, if you like to use a MEncoder front end, 
you can try http://encode2mpeg.sf.net/

Giacomo