Remixing stereo to 5.1 pipewire, loopback bluetooth

[jean-raphael]

this is the continuation of

Pipewire remixing channels from stereo to 5.1

hello i have installed pipewire. I have a 5.1 sound card, when i play a 5.1 film on vlc it’s works, but if i play like youtube video only two channels are used. how to automatically remap stereo sources to all channel like pulseaudio do.

this d’ont works for blutooth loopback , i only have two speaker working