[FFmpeg-user] How to make partially transparent png image
barsnick at gmx.net
Mon Jul 6 17:41:08 CEST 2015
On Sun, Jun 28, 2015 at 09:27:02 -0700, compname at verizon.net wrote:
> >IrfanView is not free
> Well, OK for commercial use it's not free. But just about any
> business (that's planning on staying in business anyway) isn't going
> to quibble over the $12 reg. fee. And for us
> individuals/educators/etc. it is free.
Well, there are always other tools. gimp, if you want to use a GUI (but
who does). ImageMagick and graphicsmagick should be able to do this
from the command line (so says Google).
> I've recently used the geq filter to do just that. But I never
> considered FFmpeg to be a (still) image editor/converter, even though
> it does work nicely as such (-i in.bmp -vf [image filters] -c:v png out.png).
It helps to avoid installing extra tools if you're in a somewhat
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