I can't get nnls-chroma to work while importing autochord

[ARDEACT]

When I import autochord, I get an error that says, "Vamp plugin has not been installed correctly" Says to put C:\Users[user].conda\envs\ldm\lib\site-packages\autochord\res\nnls-chroma.so to vamp plugin folder, which doesn't exist, so I put it in the Vamp library folder in my conda env packages but that didn't work either. Any help?

[cjbayron]

@ARDEACT seems two things need to be addressed here.

1. is ensuring the VAMP plugin (nnls-chroma.so) is in the paths where vampy-host library tries to find it. you can know these paths by running:

import vamp
vamp.vampyhost.get_plugin_path()

you should put the plugin in at least one of the printed paths, if any

2. and much more important than no. 1, you're setting up in Windows (it seems) but *.so kind of plugin is intended for Linux (and yeah, I failed to indicate this in README).

what you'd probably need is the *.dll version of NNLS-chroma plugin (reference regarding the plugin file types). But even with the DLL file, the source code is hardcoded to load the .so file. so you may either try to fix it by cloning the repo and re-installing the modified version on your Windows machine, hopefully it works (and if you don't mind please submit a PR 🙏 ) or I can try to fix it during my free time (probably on the weekend)

[cjbayron]

@ARDEACT I'm marking Windows as unsupported as of this moment. There are compatibility issues that arise with Windows, in particular:

1. The VAMP plugin *.dll for Windows is 32-bit. The Python library vampy/vampyhost is only able to load 32-bit plugins on a 32-bit Python installation.
2. TensorFlow, which is a core dependency of autochord, has no support for 32-bit.

Hence, Windows can't be supported as of now, unfortunately.

[xhocquet]

Edit: Nevermind! Crossed my wires 😓