[FFmpeg-user] Meaning of ffprobe output

[Ulf Zibis]

Hi Moritz,

Am 02.02.19 um 22:29 schrieb Moritz Barsnick:
> You can always "up-convert" your colorspace before cropping, and
> "down-convert" afterwards:
> $ ffmpeg [...] -vf format=yuv444p,crop=h=1:...,format=yuv420p [...]
> or something like this.
Much thank for this hack ... it works!

For the record, it's enough to upsample to yuv422p for cropping single
horizontal lines. yuv444p would be needed for cropping single vertical
columns.

- Ulf