As stated in the README of my patch : in case the device can't do XQ : PA falls back to legacy bitpool.
JP
14:52, 17 octobre 2019, "Tanu Kaskinen" <tanuk@xxxxxx>:On Tue, 2019-10-08 at 18:29 +0200, Pali Rohár wrote:
Automatic SBC profile is not going to be changed. It is there to support
all devices without any tweaks. ValdikSS already did more tests and
there are devices which do not work with higher SBC bitpool. So
increasing max value of bitpool in Automatic SBC profile would lead to
broken support for these devices and therefore regressions.
As Automatic SBC profile is the only one available for systems where
codec switching is not supported, it would mean complete regression as
these devices completely stops working on those systems.
Upgrading either pulseaudio or bluez must not lead to problem that some
bluetooth devices stop working (if they worked before upgrade).
So no, there would not be any changes in Automatic SBC profile. This one
should stay untouched, to make it always working with all existing
devices without any regression.--
I wasn't aware that advertising the XQ settings during negotiation
breaks some devices. I guess this means that JP Guillaume's SBC XQ
patch can't be accepted, assuming that we value avoiding regressions
more than the improved quality for most headsets?
Here's that patch:
https://gitlab.freedesktop.org/pulseaudio/pulseaudio/merge_requests/177
Tanu
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