[FFmpeg-devel] [PATCH]Animated gif transparency

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Dec 20 12:29:05 CET 2012

Paul B Mahol <onemda <at> gmail.com> writes:

> > Or what it means that it fixes a problem that can be reproduced
> > by comparing the "output" (do you consider this a bad word?) of
> > ffplay and display -alpha off?
> I dont get what "display -alpha off" means ?

"display" is an application of the ImageMagick tool and so far, 
I always used ImageMagick to test the image types FFmpeg 
supports. "display -alpha off" acts like ffplay, ignoring 
alpha (while display -alpha on which is the default correctly 
shows transparency transparently here).

Carl Eugen

More information about the ffmpeg-devel mailing list