[MPlayer-users] Re: mencoder mov to mpeg problems

[Alex Ferrer]

Regarding -ss and -endpos, they are there just to get a small sample for
me to view (so not to do the whole file..) 

And yes I do see a lot of Skip Frame and Duplicat frame.. but on mplayer
the video and audio show just fine.

Regarding my resulting file, I can actually see it quite well on
mplayer, but no other player will open it with out showing the garbage I
mentioned. 
Ps. there is no problem with the audio ..

alx. 


Yes I do see
On Sun, 2003-01-05 at 01:18, Michael Waters wrote:
> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> On Sun, Jan 05, 2003 at 00:16 -0600, Alex Ferrer wrote:
> > I am trying to convert a quicktime .mov file to mpeg4
> > 
> > I am using :
> > 
> > mencoder test.mov -ovc frameno -o frameno.avi -oac mp3lame -lameopts
> > abr:br=128
> > 
> > Then to get a small test clip I use:
> > 
> > mencoder -oac copy -o /dev/null -ovc lavc -lavcopts
> > vcodec=mpeg4:vbitrate=1000:vhq:vpass=1 -ss 0:20 -endpos 0:30 test.mov
> > 
> > 
> > mencoder -oac copy -o myTestVideo.avi -ovc lavc -lavcopts
> > vcodec=mpeg4:vbitrate=1000:vhq:vpass=2 -ss 0:20 -endpos 0:30 test.mov
> > 
> > 
> > at this point when I look at myTestVideo.avi ,  the video *is* there
> > (and the audio too) but is all patched on green plus all sorts of
> > overlapped  frames. Any ideas?
> > 
> > BTW, I can see the original .mov perfectly well using mplayer
> 
> Hi,
> 
> I don't know anything about quicktime and I've never tried converting
> qt but for sure -ss and -endpos should be the same for all 3 passes. 
> If the audio is vbr, i don't think -ss will work.  If the qt file uses
> variable framerates I don't know how you'll be able to convert it
> without the video looking disjointed.  You shouldn't see screenfuls of
> "Skip frame!" or "Duplicate Frame!".  Maybe -ofps will help.
> 
> Michael
> 
> 
> [...]
> 
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-- 
Alex Ferrer <alex at ftconsult.com>
F & T Consultants