[MPlayer-dev-eng] ok to add new vf?

[Michael Niedermayer]

Hi

On Wednesday 26 July 2023 19:54, Arpi wrote:
> Hi,
>
> > The normal solution would be to use the sw scaler to scale down. But
> > suppose you have to scale a 640x480 movie down to 640x240. Assuming
> > your codec outputs a planar colorspace such as yv12, the vertical
> > chroma resolution after scalind down will be 120. You've thrown away
> > half your chroma samples for no reason, since 240 lines of chroma
> > would still fit perfectly fine.
>
> ah and i forgot to say that swscaler can do yv12 -> yuy2 scaling,
> so chroma won't lost...
yuy2 output isnt supported yet (input is), its on my todo list ...

[...]

Michael