[x] Rename parameter to make it clearer it's more generic. Calling it eedi3 makes the user believe it only accepts an Eedi3 object, when it actually accepts any kind of SuperSampler object.
[x] Supersample as high as necessary, as opposed to simply descaled clip * 2. The user may be downscaling below source clip / 2, so we should automatically account for that.
This PR does the following:
eedi3makes the user believe it only accepts an Eedi3 object, when it actually accepts any kind of SuperSampler object.