[FFmpeg-devel] [PATCH] lavfi/testsrc2: fix completely transparent alpha.

[Carl Eugen Hoyos]

2017-07-21 11:50 GMT+02:00 Nicolas George <george at nsup.org>:

> Note: until now, the "default" was 0, not 255. But it produces an ugly
> image, so I considered nobody really uses it like that and decided it was ok
> to change it to a saner default, but it can be discussed. It does not break
> our existing FATE tests.

The default you suggest is of course much better than the original
default but ideally, some kind of "banding" should be used to allow
testing transparency in libswscale, encoders and decoders.

Carl Eugen