[Ffmpeg-devel] cropping + rescaling broken?
Tue Mar 7 12:21:03 CET 2006
On Tue, 2006-03-07 at 12:14 +0100, Luca Abeni wrote:
> > Cropping is supposed to happen first. After that, what remains should be
> > scaled to the requested size.
> Ok, thanks. At least now I know how things are supposed to work ;-)
BTW the saa7134 (tv capturing card) does it exactly this way and I guess
the bt88 likewise. It's really much more intuitive that way. Way
back when I was using the saa7134 to record TV programmes, I used to cut
the letterbox borders, rescale to 720x576, and then mark the stream as
16:9 (anamorphic). It's probably better to leave it letterboxed and set
the TV to "zoom mode", but this way was more convenient for me.
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