[MPlayer-users] mencoder and -noaspect

[Arpi]

Hi,

search the archives.
you cannot do 3-pass encoding for interlaced (50 fields per second instead
of 24/25 frames per sec) media
you must decode video in the first pass too.


> [Automatic answer: RTFM (read DOCS, FAQ), also read DOCS/bugreports.html]
> Hi,
> 
> Using mencoder 0.90pre8, 0.90pre10 or 0.90rc1 I ran in a strange problem when 
> trying to mencode the 7 Year in Tibet DVD zone 2. I use 3 phases encoding.
> The sound was correctly encoded but during the process for every frame I had a
> Skip frame!!!
> warning.
> 
> On phase 2 (and 3), the Skip frame!!! warnings were of course there again but 
> this time it affected the resulting video. It looked like one line out of two 
> were encoded, also the first frame "ghost" seems to remain forever in the 
> following frames. 
> 
> I eventually found a workaround: use -noaspect. 
> I noticed that the number of frames processed correspond to 50fps instead of 
> 25 fps (I hope this might give you a clue of the cause), but the result was 
> very good this time.
> 
> Question: is there any reason not to use -noaspect when mencoding a dvd?
> 
> 
> 
> 
> 
> 
> 
> 
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> 


A'rpi / Astral & ESP-team

--
Developer of MPlayer, the Movie Player for Linux - http://www.MPlayerHQ.hu