[MPlayer-users] cropdetect accuracy with mplayer-1.0pre6a

D Richard Felker III dalias at aerifal.cx
Sat Feb 19 06:33:21 CET 2005

On Fri, Feb 18, 2005 at 09:08:05PM -0800, RC wrote:
> > not the codec matter, rather image formats. basically all the image
> > formats used in movies are 4:2:0, meaning that non-even crop offsets
> > or sizes are _complete nonsense_,
> Yes, I said codec, but meant "format".  You'll see that I also mentioned
> 4:4:4, which is a format in which cropping to odd dimentions makes
> perfect sense.  No, there aren't many situations where that is
> appropriate, but there are some.  We could also limit cropdetect to
> no-less than multiples of 4 to prevent people working with interlaced
> material from shooting themselves in the foot.  I just dislike the idea.

ok...then let's make it accept any numbers, but reject imgfmt values
that don't work in the query_format function. so if you specify odd
offsets, it will reject anything except 4:4:4/rgb. etc. sound ok?


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