[MPlayer-users] problem with deinterlacing and...
andrea gelmini
gelma_ml at gelma.net
Fri May 3 13:27:01 CEST 2002
hi all,
thanks to all coders for mplayer and to anyone writing in this
mailing list (there are a lot of useful post).
i've got a problem (i don't fill the bugreport because i have to
understand if this is a bug...).
anyway, i'm using the latest cvs of mplayer (for me now is
cogno:~> date -u -R
Fri, 3 May 2002 10:38:16 +0000)
with latest divx 5.01 (i mean DivX501 Build20020416).
debian distribution (sid), and latest gcc:
cogno:~> gcc-3.0 -v
Reading specs from /usr/lib/gcc-lib/i386-linux/3.0.4/specs
Configured with: ../src/configure -v
--enable-languages=c,c++,java,f77,proto,objc --prefix=/usr
--infodir=/share/info --mandir=/share/man --enable-shared
--with-gnu-as --with-gnu-ld --with-system-zlib --enable-long-long
--enable-nls --without-included-gettext --disable-checking
--enable-threads=posix --enable-java-gc=boehm
--with-cpp-install-dir=bin --enable-objc-gc i386-linux
Thread model: posix
gcc version 3.0.4
so, i dump a dvd to a file:
mplayer -dvd 1 -dumpstream -dumpfile incrediblepornmovie.vob
mv incrediblepornmovie.vob g.vob
extract audio:
mencoder g.vob -mc 0 -oac mp3lame -lameopts vbr:q=2 -ovc frameno -o frameno.avi
everything's fine, but i want reduce channels (stereo to mono) and
bitrate (i don't need sorround in a porn fil...m). i read in
mencoder under "-lameopts":
mode=XXX
0=stereo
1=joint-stereo
2=dualchannel
3=mono
(default: auto)
but if i do this:
mencoder g.vob -mc 0 -oac mp3lame -lameopts vbr:q=2:mode=3 -ovc frameno -o frameno.avi
nothing change.
questione: where's my mistake?
now the video. i need deinterlace it but, in mencoder.1 i read under -divx4opts
deinterlace enable deinterlacing
(don't use, DivX4 is buggy!)
question: divx 5.01 has same problem?
so, with this doubt i use -vop. i read in documentation.html:
2.6.8. Postprocess
Description:
This is our good old postprocess, juts converted to the filter
layer. Performs image quality enhancement, deinterlacing, etc,
see -npp help for available options.
Usage:
-vop pp[=postprocess options/keywords]
then in mplayer.1 i find:
-pp 0x20000 <=> -npp lb (deinterlacing - for DVD/MPEG2 playback e.g.)
good, but if i do:
mencoder g.vob -ss 00:15:40 -vop pp=lb -mc 0 -divx4opts br=2000 -o 1.avi -pass 1
there's no interlace, but if i do:
mencoder g.vob -ss 00:15:40 -vop pp=0x20000 -mc 0 -divx4opts br=2000 -o 1.avi -pass 1
^^^^^^^^^^
it works. i tried npp too, but nothing changed.
question: is it a bug? i missed something?
thanks again,
andrea
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