[FFmpeg-user] Alpha not working as expected with geq filter

Paul B Mahol onemda at gmail.com
Tue May 21 19:56:41 CEST 2013

On 5/21/13, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:
> Paul B Mahol <onemda <at> gmail.com> writes:
>> Add format filter before geq filter, like this: -vf format=rgba,geq.....
> I suspect geq does not support rgba (it should work without the
> format filter if it did), format=gbrap (if that is the name of planar
> rgb alpha) should work.

Not needed.

> This may be a bug, Carl Eugen

Not, its not.

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