AUmfx nodes, midi output not working

[steveschow]

when AUmfx plugins are inserted as nodes in the graph, midi output from the plugin is not going out to the graph. This was in a previous ticket that was closed for some reason, but its still broken in 0.46

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[steveschow]

I found out some information from someone else that was having this same problem in their JUCE host.

This is what they told me, they are able to quickly fix it. I think this is a bug in JUCE:

I looked into what’s happening with the Scaler2 Control plug-in, first in the JUCE AudioPluginHost reference program, and then in Unify. When the JUCE AU hosting code sees the type-code 'aumi', it assumes the plug-in has no audio input or output busses. This is the case for my xxxxxx plug-in, for example, but not for Scaler2, where even the “Control” version still declares stereo input and output busses.

I think even the example JUCE AUHOST program has problems with aumi plugins. This other host was having the same problem as Element, but he was able to quickly fix it somehow, I don't know exactly the details because I don't have access to the source, but maybe the above clue will help you to figure out this problem in Element too, which still is unable to use AUmfx (aumi) plugins...