this line looks relevent
18:57:44.0656 Gvc: DEBUG gvc_mixer_control_lookup_device_from_stream - Could not find a device for stream 'Built-in Audio Digital Stereo (HDMI)'
this line looks relevent
18:57:44.0656 Gvc: DEBUG gvc_mixer_ control_ lookup_ device_ from_stream - Could not find a device for stream 'Built-in Audio Digital Stereo (HDMI)'