At 6/28/2015 02:09 AM, you wrote:
> Since ffmpeg is a video processing tool, even if it could I wouldn't
recommend it. I used another free tool: IrfanView. I believe you can load
an image into it & tell it to make a certain color/range of colors
transparent.
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.
and ffmpeg have already tools to make certain
color/range of colors transparent.
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).
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