[MEncoder-users] Aspect distortion converting dvb-t files

[José Gabriel Moya Yangüela]

The problem is: using scale=720:576 gets a distorted image. Could I use
monitoraspect or something similar?

2007/1/8, Nico Sabbi <nicola_sabbi at fastwebnet.it>:
>
> José Gabriel Moya Yangüela wrote:
> > Hello!
> >
> > I've got a problem converting pvr files.
> > When I play the original pvr recorded file, they are (gracefully)
> displayed
> > as a 4:3 movie, despite of video size:
> >
> > * Windows media player says video size is 480 x 576, aspect ratio is 4:3
> > (according to video size, it is 18:15)
> > * WinAmp says video size is 480x576, and says nothing about aspect
> ratio.
> > * Mediaplayer classic says it is MPEG2 Video 480x576 (4:3)
> > * mplayer says it is MPEG2 480x576  (aspect 2), but it gracefully
> > renders it
> > with correct aspect 4:3 (despite of mplayer -identify showing
> > ID_VIDEO_ASPECT=0.00)
> >
> > But, when I convert it, it has some chances to be rendered as 15:18
> > (portrait aspect, about 480x576) instead of 18:15 (576x480).
> >
> > If I use -force-avi-aspect, I see the desired 4:3 image in mplayer, but
> all
> > other media players show a 15:18 (portrait) video.
> >
> > I've tried aplying the "scale" filter, but it distorts the image.
> >
> > Sometimes aspect is corrected using 'mencoder pvr://file...' instead of
> > 'mencoder file...', but sometimes it does not work.
> >
> > I'm sure this strange 480:576 (15:18) aspect ratio has something to do
> with
> > dvb standards, because of all players showing correct aspect ratio when
> > file
> > is of type mpegpes, but failing when it is converted.
> >
> > Some hint?
> >
>
> upload a sample, please
>
> --
> "Without a frontend, mplayer is useless" - someone in mplayer-users
>
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-- 
Tengo poco tiempo para leer. Compré estos libros a peso. Ordené que me
trajeran una tonelada.