Hi,I have been trying to configure shairport-sync to control the software mixer volume by adding mixer_device and mixer_control_name paramters to the shairport-sync template configuration file. I have tried various combinations and I think volumioSoftVol and SoftMaster are the correct parameters but shairport-sync always reports failure to attach mixer.
Has anyone successfully managed to configure shairport-sync to control the software mixer volume? If so what parameters did you use?