Hi Pali, On Sat, May 18, 2019 at 11:12 PM Pali Rohár <pali.rohar@xxxxxxxxx> wrote: > > Hello! How is L2CAP layer of bluetooth socket used for A2DP audio > transfer configured in bluez? It is reliable with big/infinite > retransmit count? Or in best-effort manner and some packets may be > dropped? And it is possible to change between these two modes for > application which uses bluez DBUS API? I'm asking because some A2DP > audio codecs are designed to deal with packet loss and for those codecs > it would be probably better to configure L2CAP socket to unreliable > mode. We don't use ERTM with AVDTP, both signaling and transport sockets are using basic mode which don't support retransmissions, there the concept of flush timeout which iirc we don't currently it. -- Luiz Augusto von Dentz
