[FFmpeg-devel] [PATCH]Animated gif transparency

[Paul B Mahol]

On 12/20/12, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Paul B Mahol <onemda <at> gmail.com> writes:
>
>> > Attached fixes the transparency issues with animated gifs here.
>> > Additionally, it fixes a problem with the background colour,
>> > can be tested by comparing display -alpha off with ffplay output.
>>
>> Can you elaborate what this actually means?
>
> Do you mean what it means that an attached patch fixes an issue
> ("here")?
> 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 ?