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  1. Qt
  2. QTBUG-107678

audio device has unknown channel

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: P1: Critical P1: Critical
    • 6.4.2, 6.5.0 Beta1
    • 6.4.0
    • Multimedia
    • None
    • macOS 

      import QtQuick
import QtQuick.Window
import QtMultimedia

Window {
    width: 640
    height: 480
    visible: true

    SoundEffect {
        source: "any.wav"
    }
}

      (for some valid any.wav file) works but on launch produces the error message

      audio device has unknown channel 4294967295

      about 200 times, completely cluttering up the application output. It seems something pointless is being re-tried excessively, which can't be good for startup performance. This happens in both debug and release modes. Worked fine in Qt5, have not checked Qt6 versions below 6.4.

        1. dump_audio_main.cpp
          7 kB
          Artem Dyomin
        2. dump_audio_res.txt
          21 kB
          Lino Schraudolph
        3. dump_audio_res2.txt
          22 kB
          Lino Schraudolph
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            artemiy Artem Dyomin
            linoleo Lino Schraudolph
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              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes