[MPlayer-dev-eng] MOV bad rescale

[Felix Buenemann]

On Thursday 01 January 1970 01:00, Arpi wrote:
> Hi,
>
> > On Saturday 27 July 2002 12:40 am, Bertrand Baudet wrote:
> > > I uploaded a tarball (bad_aspect_mov.tar.zg) with 3 .mov
> > > It tracked down from the mov demuxer which read a size of 240x180.
> > > But the h263 decoder read a CIF format at 352x288 and set the vo driver
> > > width and height with this. But there is no rescale of the frames to
> > > fit the window.
> > > Unfortunatly it takes time to understand what's going on when you don't
> > > know the code and I not really have time to go further. If  someone can
> > > have a look at it/fix it, it will be cool. Please let me know what was
> > > the bug, thanks.
> >
> > Would be better with an output...
>
> with -v output...
>
> anyway no way to fix it - at leats no clean way
> use -vop crop/scale to change its size - it's a silly feature of .mov files
> that coded and header w/h may be different, read ffmpeg-devel list for
> details, there is a big thread about this nowdays
what about setting prescale (dwidth/dheight) to the size from the mov header, 
of course this will only work when scaling is needed, not for cropping, and 
has some limits (eg. no downscale of some xv drivers).

>
> A'rpi / Astral & ESP-team

-- 
Best Regards,
        Atmos
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