[Libav-user] Cheking for an alpha channel / using AVPixFmtDescriptor

[Carl Eugen Hoyos]

2019-04-18 11:34 GMT+02:00, Simone Donadini <simone.donadini at avolites.com>:
> Thank you for the explanation Carl.
>
> Actually i can not deduce from your answer if the first method is correct,

See the GPL for an answer;-)

> but i will definitely not use the macro one.

Good idea.

Please avoid top-posting here, Carl Eugen