Old 06-16-2021, 08:18 AM   #1
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Default LV2 output channel mapping error (FIXED)

Custom routing done to the first 2 output channels of an LV2 plugin: those settings are saved. Reload the project, the custom setting is recalled as expected.

Custom routing for any output beyond the first 2 outputs (outputs 3+): the custom routing information is saved, but when reloading the project, the default channel mapping is also restored for those channels. This leads to a duplication in mapping anything beyond output channels 1-2.

This of course needs to be tested with an LV2 plugin that has more than 2 outputs.

I'm using Reaper for Linux x86_64, Manjaro 21.0.7, and this problem was confirmed by someone else running Ubuntu 20.04.

DrumGizmo has 16 outputs.

LSP "Multi-Sampler x12 DirectOut" has 12 outputs.

Last edited by JamesPeters; 06-16-2021 at 08:23 AM.
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Old 06-17-2021, 10:55 AM   #2
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Thanks, fixing!
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Old 06-21-2021, 07:49 PM   #3
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So that's resolved, thanks.

One other thing I noticed while checking this, and comparing to VST with multiple outputs: the i/o options are different for LV2. VST has several more features including the newest i/o stuff added to that area, while LV2 doesn't (but also has "LV2 advanced routing" greyed out). It's not critical to have all these features for LV2, but if they were forgotten to be added, figured I should mention it.
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