[FFmpeg-devel] [PATCH]Animated gif transparency

Paul B Mahol onemda at gmail.com
Thu Dec 20 12:32:06 CET 2012


On 12/20/12, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> 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).

Than if display can show animated gifs too and decoded output matches
ffmpeg one than patch is ok, update fate if needed.


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