[MPlayer-users] mencoder cropping does not work?

horst.schlonz at gmx.de horst.schlonz at gmx.de
Tue Jan 6 23:28:58 CET 2004


Am Dienstag, 6. Januar 2004 21:49 schrieb D Richard Felker III:
> > the original format is 480x480 and has ridiculously big black bars.
> > therefore i get a dvd-video that wastes much space on the tv-screen not
> > only above and below the movie but also left and right because of the
> > black bars. i hope cutting off the bars will fix this.
>
> It won't. The 480x480 in svcd is scaled to fill the whole screen. What
> you need to do when making a DVD is leave the black bars in place and
> scale to 720x480 (standard DVD size).
>

ok, i will try this. the suggested commandline is:
$ mencoder -oac copy -ovc lavc -vf scale=720:480 \
> -o out.avi avseq01.mpg

according to the manpage i have a couple of codecs to choose from when using 
libavcodec (lavc):
mjpeg: Motion JPEG
h263: H263
h263p: H263 Plus
mpeg4: DivX 4/5
msmpeg4: DivX 3
rv10: ein alter RealVideo-Codec
mpeg1video: MPEG1-Video :)

which one should i use to get the best result and keeping in mind that nero 
vision express will later reencode the three file once more to mpeg2(?) ?

boys, i've been around for a couple of years now but this codec-stuff is 
really the hardest thing i've ever met.




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