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From: | Carlos de Miguel Arribas |
Subject: | [fluid-dev] Problems with Ladspa effects |
Date: | Fri, 5 Mar 2021 09:48:55 +0100 |
Hello everyone, I'm having problems using Ladspa effects in Fluidsynth, maybe you could help me. I would like to use Fluidsynth to read a midi file, and export each midi channel in a different wav file, for this I am using "fluid_synth_process". I would also like each channel to have a Ladspa effects chain, with 2 or 3 effects per channel. To connect the effects within the same channel I am using buffers. For example for channel 1, I have this effects chain: Main:L1 -> Eq -> buffer -> Compressor -> Main:L1 Main:R1 -> Eq -> buffer -> Compressor -> Main:R1 Specifically I have 5 midi channels that I would like to export, but I am getting an error from fluidsynth when I have 5 effects added: "Maximum number of nodes reached". I don't understand why I get this error, in the Fluidsynth source code I could see that the maximum number of nodes is 100, and I don't exceed that number of effects + buffers. I also have my doubts with the configuration of "synth.audio-channels" and "synth.audio-groups" for this particular case. I'm using 5 audio channels and 5 audio groups, but maybe this configuration is not correct. Best regards and thanks a lot in advance. Carlos |
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