It's in the 15.0 release notes, https://www.freedesktop.org/wiki/Software/PulseAudio/Notes/15.0/#supportforldacandaptxbluetoothcodecsplussbcxqsbcwithhigher-qualityparameters
pactl send-message /card/bluez_card.XX_XX_XX_XX_XX_XX/bluez list-codecs
You should also be able to find codec selection in pavucontrol 'Configuration' tab if pavucontrol is built correctly.
It's in the 15.0 release notes, https:/ /www.freedeskto p.org/wiki/ Software/ PulseAudio/ Notes/15. 0/#supportforld acandaptxblueto othcodecsplussb cxqsbcwithhighe r-qualityparame ters
pactl send-message /card/bluez_ card.XX_ XX_XX_XX_ XX_XX/bluez list-codecs
You should also be able to find codec selection in pavucontrol 'Configuration' tab if pavucontrol is built correctly.