Not sure if this can actually be fixed, but I'm using a canopus advc110 (composite to thunderbolt) into Resolume Avenue 6 and its showing a strange diagonal distorted image. As you can see from the screenshot it won't let me choose a format and obviously 0 x 0 pixels is not going to work.
Strangely, this capture card does work when using VLC player and Syphoner into Resolume. It could just be that this capture card doesn't work with this version of Resolume Avenue, as I can see from past forum posts years ago that it has worked with Resolume fine.
Any insight would be great!