[qt/qt/qtmultimedia]: Summary of bulk changes made

Git repository change summary for qt/qt/qtmultimedia
Pushed by mirror-service into branch '6.12'.
Changed from 9dba6da1b372fefbcab8cfcc450a2738b7239563 to 561abe8f33e5d5893fd301e4ca162161e0a879c8
Acknowledgement was received that this change introduces only existing code that has been pushed to another public open source repository.

This change contains the following new commits:

Git commit 0e54e6391dad4c858ee7f8ef3451229c4076a0ee by Qt Cherry-pick Bot (on behalf of Tim Blechmann) on 19/08/2026 at 04:38..
tests: introduce QMessageSpy / QLoggingCategoryEnabler

QMessageSpy allows us to intercept messages from qt's logging framework.
QLoggingCategoryEnabler can enable all tracing / restore it on exit.

Change-Id: Ifdcb705a10a605c0a787a92c5e344ce10acca8e8
Reviewed-by: Artem Dyomin <[email protected]>
(cherry picked from commit 0fa0173a188aadeaf5479f2994f3fbd04692a22b)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>
https://invent.kde.org/qt/qt/qtmultimedia/-/commit/0e54e6391dad4c858ee7f8ef3451229c4076a0ee

Git commit 1a151f267537db6140063d9515afd1cc17c8d341 by Qt Cherry-pick Bot (on behalf of Tim Blechmann) on 19/08/2026 at 04:38..
SpatialAudio: add tracing messages to help with unit tests

We can use QTest::ignoreMessage to validate that certain codepaths are
taken without adding any extra entry points to the public APIs.

Change-Id: I163e8052cd8bc6192108858d2c91845f776e2c45
Reviewed-by: Artem Dyomin <[email protected]>
(cherry picked from commit 81adea4fcd262d0c0a58f08f9b2bf3d7039bf20e)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>
https://invent.kde.org/qt/qt/qtmultimedia/-/commit/1a151f267537db6140063d9515afd1cc17c8d341

Git commit 561abe8f33e5d5893fd301e4ca162161e0a879c8 by Qt Cherry-pick Bot (on behalf of Tim Blechmann) on 19/08/2026 at 04:38..
SpatialAudio: add tests for destroying entities

Change-Id: I6b907d612720bdbe662c6d554d1c3047b41fbc69
Reviewed-by: Artem Dyomin <[email protected]>
(cherry picked from commit 9c0af44a78aba0cfeb31a5c0e775c43467da88db)
Reviewed-by: Qt Cherry-pick Bot <[email protected]>
https://invent.kde.org/qt/qt/qtmultimedia/-/commit/561abe8f33e5d5893fd301e4ca162161e0a879c8