[Libav-user] Swscale: Interlaced 4:2:2 to interlaced 4:2:0

[Carl Eugen Hoyos]

Carl Lindqvist <lulebo at ...> writes:

> I have not yet looked at MPlayer/libmpcodecs/vf_scale.c, 
> will do it tomorrow and see what I can find.
> 
> How does the ffmpeg app do it? What file should I look 
> at for source examples?

libavfilter/vf_scale.c (look for isws)
Not surprisingly, it looks similar to the MPlayer code.

Carl Eugen