[Libav-user] Using swcale to crop picture

[Carl Eugen Hoyos]

Eric Beuque <eric.beuque at ...> writes:

> Thank you for your answser!I'm going to try libavfilter. 
> I saw it seems to provide a filter algorithm, so i 
> guess libavfilter can replace libswscale?

The scale filter uses / depends on libswscale.

(Note that I believe since you control the data pointers, 
the width and the linesize arguments, it may be possible 
to "crop" with libswscale alone, but using the crop 
filter should be the better solution.)

Carl Eugen