[MPlayer-users] -ofps 23.976 parameter
mosgalin at VM10124.spb.edu
Wed Jan 28 12:26:31 CET 2004
On Wed, 28 Jan 2004, Pablo Morales wrote:
PM>When I rip a DVD I get lots of duplicated frames, during the whole ripping,
PM>( not skipping frame ), afaik, this is cuz the original is in NTSC format.
PM>If I add the -ofps parameter 23.976 , those duplicated frames disapear.
PM>I'd like to know if i't 's sane to do that or if I should let mencoder do
PM>the trick, if it's aware of that and if that improve quality or it has
PM>nothing do do with quality.
Beeing short, setting ofps is the right thing to do; it improves
quality. Mplayer reversed hardware telecine for you, fps is now 23.976,
and if you won't specify it in -ofps, you'll only get jerkness in
motion and loose quality.
If mplayer doesn't switch back to 29.97 in the middle of encoding, be
glad that your DVD was fully hardware telecined.
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