Video with alpha on linux

How would one use video with alpha on linux?
Video I’m trying to use is .mov works perfect on mac os.

Is that a codec/format issue?
How could one convert it to something that would work on linux?

usually setting the pixels format before loading the movie works:

1 Like

Thank you so much @arturo! You saved the team here in London a lot of grief!
Works perfectly!

slight correction.
it’s OF_PIXELS_RGBA. (ie, underscore and not “:”)

Thanks again