[MPlayer-dev-eng] BUG? swscaler vs 422planar

[Michael Niedermayer]

Hi

On Monday 09 September 2002 23:00, Arpi wrote:
> Hi,
>
> try with any divx/mpeg file (native yv12 codecs):
> mplayer file.avi -vop yuy2,format=422p,scale
>
> (it forces codec->yv12-(swscaler)->422p-(yuy2)->yuy2->vo path)
>
> the result is interesting - every second chroma line is blank,
> so you get interlaced-feeling image.
> i hoped that swscaler will upsample (interpolate) chroma (but at least
> duplicate chroma lines) when doing yv12->422p conversion.
fixed, the problem was that the code expected yv12 so it skiped every 2nd 
chroma line ...

[...]

Michael