Alpha chanel in "sub" mlt file

[Elusien]

Does this help (please note the restrictions described):

Hello .. can the mlt file that will be imported as clip have transparent background

Yes, this works as long as the MLT XML clip is transparent: [Screenshot from 2020-08-18 16-32-24] In order for a MLT XML clip to be transparent, it must have defined a non-opaque alpha channel (use Alpha Channel: View filter to visualize, but remove it when done). Also, it must be a single clip project (no playlist or timeline, only use Source player), or if a timeline no multiple video track blending where you want to have transparency. IOW the clip with non-opaque alpha channel can be on an…