Bug 457758 - bluetooth 5.2, 2 headsets connected => only one receives sound
Summary: bluetooth 5.2, 2 headsets connected => only one receives sound
Status: RESOLVED DUPLICATE of bug 440536
Alias: None
Product: plasma-pa
Classification: Plasma
Component: general (show other bugs)
Version: 5.25.4
Platform: openSUSE Linux
: NOR normal
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-08-11 11:51 UTC by Philippe ROUBACH
Modified: 2022-08-14 15:01 UTC (History)
4 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:


Attachments
the choice of the headsets (2.41 MB, image/png)
2022-08-11 11:51 UTC, Philippe ROUBACH
Details

Note You need to log in before you can comment on or make changes to this bug.
Description Philippe ROUBACH 2022-08-11 11:51:17 UTC
Created attachment 151246 [details]
the choice of the headsets

SUMMARY
adapter Wi-Fi 6E Bluetooth 5.2 EDUP-LOVE EP-9651GS (chipset Intel AX210)


STEPS TO REPRODUCE
1. connect 2 headsets to the Bluetooth adapter (multiple audio receivers, feature of BT 5.2)
2. go to the plasma volume controller
3. 

OBSERVED RESULT

You must choose between the headsets, one of them ! (see the capture)
You cannot select the two headsets.

EXPECTED RESULT

You can select the two headsets


SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 5.24.4
KDE Frameworks Version: 5.96.0
Qt Version: 5.15.5
KDE Gears 22.04.3


ADDITIONAL INFORMATION
Comment 1 Nate Graham 2022-08-11 17:47:31 UTC

*** This bug has been marked as a duplicate of bug 440536 ***
Comment 2 Philippe ROUBACH 2022-08-13 07:08:19 UTC
It's not a problem to send a stream to a multiple sound output using a feature of PW.

It's a problem that PW( plasma-pa?) must use the new feature "multiple sound ouput" of bluetooth 5.2.

pw (plasma-pa?) when Bluetooth is activated with several connected sound ouputs, must automatically, drive the sound to the Bluetooth "multiple output devices" service. Then Bluetooth manages to send itself the sound to the several output devices. No ? If not, why BT adds this feature ?
Comment 3 Nicolas Fella 2022-08-14 15:01:55 UTC
plasma-pa doesn't do anything with bluetooth directly, it only operates on what is exposed by PulseAudio/PipeWire.

As said in https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2636#note_1507580 the Linux stack currently doesn't support the bluetooth feature you mentioned, so there isn't really anything to do here on the Plasma side except for https://bugs.kde.org/show_bug.cgi?id=440536

*** This bug has been marked as a duplicate of bug 440536 ***