[MEncoder-users] mpeg2 split

[Rich Felker]

On Thu, Nov 10, 2005 at 02:49:41AM -0200, José Queiroz wrote:
> Hi,
> 
> I'm also trying to split a big mpg movie into 2 avi chunks that I
> could write to a single 700MiB CD.
> 
> So I tried a two-pass conversion, the first pass:
> 
> mencoder movie.mpg -o /dev/null \
>         -ovc lavc -oac lavc \
>         -lavcopts
> vcodec=mpeg4:vbitrate=1150:mbd=1:acodec=mp3:abitrate=96:vpass=1
> 
> 2nd Pass:
> 
> mencoder movie.mpg -o movie_part1.avi -of avi \
>         -endpos 1:12:30 \
>         -ovc lavc -oac lavc \
>         -lavcopts
> vcodec=mpeg4:vbitrate=1150:mbd=1:acodec=mp3:abitrate=96:vpass=2
> 
> (to the second part, I change "-endpos 1:12:30" to "-ss 1:12:30" and
> "-o movie_part2.avi")
> 
> But... during the recoding, I saw mencoder complaining about the
> aspect, and saying that the vprp header was not to be saved. And when
> I verify the output file with command "file", or the properties in
> Windows Explorer, it shows nothing in "codec" field, neither DivX,
> XviD ou MPEG4.
> 
> Trying to solve these issues, I tried to use "-aspect 1.33" (the
> message about not writing the vprp header disappeared) and "-ffourcc
> divx". Was it correct?

This aspect message is 100% irrelevant to the problem you're
encountering. This is why we demand a full and proper bug/problem
report if you want help...

Rich